Technical Training _Embroidery machine control parts

Technical Training _Embroidery machine control parts
Education 중급자용

Content 1. Introduction 2. Interface Structure 3. Circuit Interaction
1.1 Propose 1.2 Outline 2. Interface Structure 2.1 Wire diagram 2.2 Structure 3. Circuit Interaction 3.1 Interaction # MS Board # DUP_SHUNT Board # POWER REV01 (SHK_DDC) # I/O Board IO REV06(DUP) # SB Thread board # Main board # XY Driver Board # SHUP_BPLANE Board # SDB REV09 (DUP_CC) 3.2 How to discriminate part. Made by : SWF 기술지원부 과장 황대희

1.1 Propose : Understanding of Boards concept,
1. Introduction 1.1 Propose : Understanding of Boards concept, Capacity building of how to discrimination condition of boards. 1.2 Outline : This textbook is written for A/S technician to understand electrical flow and the principle of the circuit, and show you how to inspect condition of boards(device), as like transistor with some instrument. In fact, do yourself a favor by doing your own know-how will be important to learn

2. Interface Structure 2.1 Wire diagram

2. Interface Structure 2.2 Structure Classification Model Details
Control Box Box NCT RACK TYPE FAN KD2412BTS1-6A Includes protective cover MAIN DRIVER 110V SD-MMD REV04(14TH-DIR-LV) Bracket, heat sink and cable are same with 220V 220V SD-MMD REV19(14TH-DIR) Dip S/W Setting is same. XY DRIVER SDB REV5.3A(SS2B-XY-LV) It depends on models. SDB REV5.6C(SS2B-XY) RACK ASS'Y 1 IO Board RACK ASS'Y 2 SMPS RACK ASS'Y 3 DDC Board 및 WIPER Motor DRV IO Board IO REV04A (DUP) LED Board For IO LED REV02 (SHUP_IO) UNIT board For SMPS UNIT REV02 (SHUP_SMPS) DDC 보드 POWER REV03 (SHUP_DDC) Jumper treatment, it depends on Voltage specifications. BACK PLANE 보드 BP REV03 (SHUP_BPLANE) WIPER Motor DRIVER ASS'Y AXH230K-20 motor DRV AXHD30K EP ,00 ZWS240PAF-24 Cable Classification Model Details Boards Thread boards THSB REV08 (SB) Color Change Board SDB REV05 (DUP_CC) ☞ Rotary Switches “8”,“3” Setting ☞ Version WRITING MS Board POWER REV03(SHUP_MS) SHUNT Board POWER REV01(DUP_SHUNT) ☞ Voltage Setting 지그제작 Wheel 9 Color WHEEL REV1.0 (HS-9C) Color type alternative Board 12 Color WHEEL REV1.0 (HS-12C) 15 Color WHEEL REV1.0 (HS-15C) Head S/W EMB_HSW_6.12 EMB_HSW_9,15

Classification Model Motors Main Axis SFAM Direct Motor 600W short shaft (40mm) X Axis 15076AF-UK01 (5044) Y Axis 16055MT-UK06 (5114) Color Change EP ,00 Existing 6head C/C motor(103H ) Other connectors handle against Existing Jump Motor 103H Wiper AXH230K-GFX2G20 Motor Separate treatment of the connector EP ,00 Solenoids Picker AS +24V (Blue connector handling) Trim 08068EL-UH36 Holding SOL. SUHO SHUNT TRIP GP AC/DC 24V (Need to handle connector) Switches Start AH165-2FLG11E3 Applicable 4heads model Stop AH165-2ELR11E3 Emergency ARE-4R20R(B) Main Power ABS52B-10A Modification error (060620) ARF-G111G-2A Magnetic GMD18-DC24 For DC 24V Sensors Half Turn GP1S51V Origin WS-2 X축 : 2EA、 Y축 : 1EA Wiper Return TL-W1R5MC1 Trimming CAM KPX-D08-01EM ETC Encoder H Z015 Potentiometer 7824 R1K L25 Noise Filter SN-E5H-CM Laser Pointer LM6501-NA Need to handle connector Lamp Ballast SP Type DC310, 32W The wiring in the opposite Bead(大) Y Motor Side each one Bead(小) A X Motor Side each one Cable BP TO OP Cable(3M)

3. Circuit Interaction # MS Board Function & Role
Function : Directly into existing wires were connected to each of the components, but now it facilitates wiring to use integrated board. Base action Explanation The board is for mechanical driving power and input the power from noise filter. magnetic switches and I / O can be connected with it. The main components Varistors(INR14D 471): It is non-linear semiconductor resistance element that resistance is changed by a voltage. If voltage is too high, it will be falling current. And For protecting part, overvoltage will be discharge if high voltage is inputting

3. Circuit Interaction # MS Board Circuit Description SWF 기술지원부
When inputting AC power, it pass TRANS and Bridge Diode, smoothing circuit. At a result, DC power will be 9.9V. And then, it will pass voltage divider circuit . It will be 0V~2.9V at TP1. Adjusting variable Resistors, output power set 2V. ② circuit, TL432CDR is standard voltage for getting exact value. Formula of output is as following. (R1=1.5㏀, R2=5㏀(Maximum)) SWF 기술지원부 8/16 Page

Board design modification contents
3. Circuit Interaction # MS Board #Reference materials Board design modification history Fault Practices NO Date Part name / Part number Board design modification contents etc 1 2006/06/27 POWER REV03 (SHUP_MS) [BD ] For removing current inrush, add inrush Resistance on initial start step.. R2 4.7/20W 2 2008/09/22 POWER REV03A (SHUP_MS) BD ,02 1. Modification of MS. SHUNT, SMPS UNIT board For Layout Stabilization at E-series small head machine 2. Specifications Classification of SHUNT board, depends on 110V & 220V 3 Development Add filer circuit at input part. (C7,C8,C9,Z4,Z5,Z6) NO 구 분 문제점 내용 원 인 비고 1 Inrush Circuit In case power is on, main power is out. Current is blocked by Inrush ∵ Inrush current : (voltage of origin Condenser is “0”.) Big current is input at initial start step. 2 - 3

3. Circuit Interaction # DUP_SHUNT Board Function & Role
Block the main Power S/W in case overvoltage or low voltage. Base action Explanation ① High signal generation (Active High) in pin21 of U7 dsPIC4011 ② High input in pin1 of U9 MC1413 → Low output in pin16 ③ Low input in pin1 of SSR1 SAP-2102 → SSR1 ON → pin3⋅4 Conduction The main components ▤ MCU : dsPIC 4011 ▤ MC1413 : Darlington Transistor Array In other word, Many TR are tied up. ▤ SAP-2102 : SSR (Solid State Relay)

3. Circuit Interaction # DUP_SHUNT Board Circuit Description
When inputting AC power, it pass TRANS and Bridge Diode, smoothing circuit. At a result, DC power will be 9.9V. And then, it will pass ① voltage divider circuit. It will be 0V~2.9V at TP1. Adjusting variable Resistors, output power set 2V. TL431CDR of ② circuit is SHUNT REGULATOR which is standard voltage for getting exact value. Formula of output is as following. (R1=1.5㏀, R2=5㏀(Maximum))

3. Circuit Interaction # DUP_SHUNT Board Circuit Description
√ When converting to AD, it is possible to change AD value by Small voltage fluctuations. So getting average value of many sampling data. √ Calculating converted value and compare with REF value. Accordingly, to determine whether an overvoltage and undervoltage. √ When overvoltage or low voltage signal is detected, give SHUNT(21 pin) signal and be acted SSR of ④. √ AC current which is passed to SSR has to be block automatically to act solenoid of SHRNT(Voltage trip device) which is NFB is built into. Each output value is input, as like ③ that inputting SEN_REF to 19 Pin of DSPic. It will be REF vaule of AD Converter. AC_SENSING is converted by inputting SEN_REF to 26 Pin of DSPic.

Board design modification contents
3. Circuit Interaction # DUP_SHUNT Board #Reference Board design modification history 2. Fault Practices NO Date Part name / Part number Board design modification contents etc 1 2007/04/16 POWER REV02 (DUP_SHUNT) It functions to turn off the machine for preventing machine's malfunction when low voltage is supplied instantly. 2 2007/06/20 POWER REV02A (DUP_SHUNT 1. Modification contents : VR2 201⇒501 2. VR2 Setting voltage modification ① 110V (BD ,03) : 1.9V ② 220V (BD ,01) : 2.0V * The final specification : R22-471, VR2-501 3 2008/09/22 SHUNT B/D 110V : BD ,04 SHUNT B/D 220V : BD ,02 1. MS, SHUNT, SMPS UNIT B/D is modified for Stabilization of E-series. 2. specification Classification of SHUNT B/D -> 110V & 220V NO Classification Problem contents Reason etc 1 - 2 3

3. Circuit Interaction # POWER REV01 (SHK_DDC) Function & Role
Supply lamp power 2. Be input 24V and convert to 5V,12V 3. Trimming and Picker Sol. Built-in driving circuit Base action Explanation It works by Sol.movement signal from IO B/D Lamp Power Generation The main components MC34167 D15XB60 LM TLP-628 IRF644

3. Circuit Interaction # POWER REV01 (SHK_DDC) Circuit Description
Picker and Trimming Solenoid driving circuit POWER REV01 (SHK_DDC) Circuit Description IO board output "L" and "L" input on PC3 2. Then Diode is worked by current, TR is worked by received light. At this time, PC3 3 output DC 16V to work Q9(FK20SM-10). Then solenoid work by current.. The reason is for using a diode that all machines which consist of a COIL occurred "reverse voltage" after the stop. At this time, "reverse voltage" will affect Solenoid-driving device (FET) unless removing "reverse voltage" . 1N4004 diode is circuit for removing "reverse voltage" which is occurred by stop solenoid. In other words, also known as FREEWHEELING circuit. - The reason is that DC 16V output V = I X R 70 = I(10k + 3k) ∴ I = 5.38A Supply voltage of Q3 is from Ends Resistance of R58 V = I X R58 V = 5.38A X 3k = 16.14V = About 16V So, Output is 16V TRIM_SOL PC3 ① PC3 PC3 ③ PC3 ④ Q9 Q9 ② T/T_ OUT Standby H OFF L H(24V) Work ON L(5.6V) ▒ The main components Driving signal : Pin 2 input signal of PC3/PC4 (Active low) * Photocoupler : TLP-628 unidirectional Photocoupler * FET : IRF644 * Diode : IN400 * Output signal : Pin 2 output signal of Q9/Q10(Active low))

*Buck Converter Regulation circuit. 1. Input 24V from SMPS, output +12V 2. Input +12V and inver convert -12V LM2576 and LM2575 are very similar to use, output depends on amount of current. LM2576 is maximum 3A, LM2575 is maximum 1A 가. Buck Converter Regulation circuit. 1.STEP-DOWN SWITCHING REGULATOR - The mode makes lower output voltage than input voltage by turning on and off. To work on/off, add L, C filter. And when off, need Diode to charge Reverse voltage of "L" to "C“ 2. The selection of values for each device ① Inductor So -> 76.12(V∙us) and "use the maximum current value 3A" are matched on the L100. => ∴100uH (L100 is part number of Manufacturer and This means 100uH) ②Cout The circuit is using 1000uF / 50V to accommodate the ripple voltage ※The stable value is 10uF ~ 2200uF ※ Inner voltage of CAPACITOR is 1.5 times bigger than V. ③ Zenner Diode 피커 및 사절 솔레노이드 구동 회로 POWER REV01 (SHK_DDC)

【Picture 3】Inductor value selection guide Circuit Description DIODE the current capacity has to be chosen 1.2 times bigger than the maximum load current at least and select “MBR360" in POWER REV03(TWIN_DDC) circuit.. ④ CIN : Input pin of Regulator need CAPACITOR of 100uF at least and it should be closed to input pin. 나. Inverting Buck-Boost Regulation circuit. 1. The selection of values for each device ① CIN : Input pin of Regulator need CAPACITOR of 100uF at least and it should be closed to input pin. Buck-Boost Inverting Regulator need a lots current initially, CIN provides the necessary partial currents of it. ② COUT : Output CAPACITOR require higher capacity CAPACITOR than Buck Converter circuit and when using Low input voltages or high output current , needing to use thousands of uF CAPACITOR. ③ L1 : Normally, used inductor value is 68uH ~ 220uH and it depends on Maximum inductor current. POWER REV04(DUP_DDC) is using 100uH. ④ Zenner Diode : Refer to [Table 1], POWER REV04(DUP_DDC) is used 1N5819 2.NOTICE ① When design circuit, the sum of the input voltage and output voltage should be under 40V. Therefore, maximum input voltage is 28V because we use -12V which is the output from the circuit. 4. The main components * Input power : +24V, +12V * Regulator : LM2576-5, LM * Inductor : 100uH * Diode : MBR360,IN5819 * Output power : +5V, -12V

DC to DC Step Down Converter(24V → 5V, 12V, 12.5V) Embroidery M/C POWER DDC B/D Circuit Description 1. Embroidery 2. D1 has to use Schottky Diode. If using other type Diode, it is possible to damage IC by forward Spike voltage or reverse current or IC's power dissipation. 3. Output voltage depends on R2 and R3, Formula is as following. 5.6KΩ = (5V - 1V)/(1V/R3) R3 = 1.4KΩ If requiring 5V, R3 needs 1.4KΩ. But our circuit is using Variable Resistor of 2KΩfor getting exact voltage. 4. Operating range of the IC include is as like Table 1. 【그림 2】 Typical DC TO DC Step Down Converter 회로 4. The main components * Switching Regulator : SPI-8101A(SanKen) * Schottky Diode : SPB-G56S(SanKen) * VR : 500Ω(12V), 2KΩ(5V) * Inductor : 47uH / 3A

#I/O Board : IO REV06(DUP)
3. Circuit Interaction #I/O Board : IO REV06(DUP) Function & Role The main device which constitutes Embroidery the operating system is input/output device with CPU, memory card IO board is one component of OP box, and it forward command of CPU to Joint B/D, Thread B/D. IO B/D forward External device's signal which is passed Joint B/D to CPU. External input/output devices of Embroidery M/C are Thread B/D, Color change, Main XY step Motor, wheel sensors, LCD, Membrane S/W, sensors. JOINT Board I/O MEMORY CPU CARD 각종 센서 신호 입력

3. Circuit Interaction #I/O Board : IO REV06(DUP) 1) IO REV06(DUP) Component understanding Circuit Diagram IC name Description 8255 I/O IC Three output ports built-in and, port is selected by input value of A0(4), A1(3). Input/Output port are selected by RD,WR. 22V10 Program is writing to use as GAL IC. NC-IO is for assigning address as like 8255(U11), 4701(U18), 74HC393 A0 A1 PORT PA 1 PB PC 기타

Circuit Diagram IC명 설 명 74HC139 It is using to assign address in Hardware. - NC-IO is able to assign address as like U9, U12, U15, U19, U23, U25, etc. 82C54 This IC functions TIME. - NC-IO takes charge of signal output of X, Y STEP MOTOR trimming Board. 74C245 As buffer IC, it is using to classify signal between DATA and AD(Adress)line.

Circuit Diagram IC명 설 명 74HC393 As Dispense IC, it output 4 conditions about input value. - NC-IO input 16MHz, and output 2,4,8M16uSEC 4538 - As Flip Flops, NC-IO check AC-Line and activate SAFE_GATE 74HC244 - As Buffer IC, NC-IO functions to turn on Main servo and XY.

3. Circuit Interaction #I/O Board : IO REV06(DUP) 2) IO REV06(DUP) Circuit understanding ① RESET circuit (7705 circuit) Circuit Description 1) Function & Role This circuit is RESET circuit which is to warrant stable operation about unstable DC voltage during work or inputting initial DC power for MCU or Digital IC. 2) Basic movement description ① When inputting power. Initial DC power is not stable power. It passed unstable section which is overshoot, potential section to rise and reach a stable Potential. Then, IC want for DC voltage reach THRESHOLD potential, and IC send signal to allow to activate MCU and Digital IC after IC confirm stable DC power ② During working. During monitoring DC power,when abnormal DC potential is detected, give a output to "RESET PORT' and reset MCU and DIGITAL IC for prevent unstable operation. Reference is [Related image 1-3] about related operation SEQUENCE and timing

3. Circuit Interaction #I/O Board : IO REV06(DUP) 2) IO REV06(DUP) Circuit understanding ② To use R-C filter circuit, remove noise Circuit Description 1. R-C filter circuit is using for Low pass filter. Formula of specific Frequency "F" is as following.. 2. C_CW, X_CCW is signal which pass a filter of R(1㏀), C(471p). Value of specific Frequency gets as following formula. X_ALARM_CLR is signal which pass a filter of R(1㏀), C(103p). Value of specific Frequency gets as following formula. Therefore, C_CW, C_CCW is signal under 338.6KHz. Then LPF functions filter of this signal. LPF for X_ALARM_CLR functions to passing a signal under 15.9㎑. (1) It is using to remove high Frequency except related signal. (2) The time of passing signal to filter should be in Range of value(speed of input/output of electric charge).

3. Circuit Interaction #I/O Board : IO REV06(DUP) 2) IO REV06(DUP) Circuit understanding ③ Each IC address assignment Circuit Diagram Description GAL IC is programed that output depends on signal of A1~A9, as same with 393. G_1 A3 A2 OUT L CS_1 1 CS_2 CS_3 CS_4

3. Circuit Interaction #I/O Board : IO REV06(DUP) 2) IO REV06(DUP) Circuit understanding ③ Each IC address assignment ※ How to assign address in 74HC393 of NC-IO Board. ① CS_1 address X: It doesn’t matter to input H or L Sort A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 Sub_ X Top 1 - A2,A3 of 393 IC is able to input from 0, 0 to 1, 1 and if converting BCD Code, it means that 0000∼0003 address is CS_1. ② CS_2 address X: It doesn’t matter to input H or L Sort A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 Sub_ X 1 Top - A2,A3 of 393 IC is able to input from 0, 0 to 1, 1 and if converting BCD Code, it means that 0004∼0007 address is CS_2. ③ CS_3 address X: It doesn’t matter to input H or L Sort A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 Sub_ X 1 Top - A2,A3 of 393 IC is able to input from 0, 0 to 1, 1 and if converting BCD Code, it means that 0008∼000B address is CS_3.

3. Circuit Interaction #I/O Board : IO REV06(DUP) ④ CS_4 address X: It doesn’t matter to input H or L Sort A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 Sub_ X 1 Top - A2,A3 of 393 IC is able to input from 0, 0 to 1, 1 and if converting BCD Code, it means that 0008∼000B address is CS_4. ※ The meaning of this address is assigned in program, assigned details is as following. is for solenoid part, is for motor driving part. If program is as following. MOV A, address 1 MOV address 1, Activate presser plate MOV A, address 2 MOV address 2, Start motor Output signal of address 1, be selected IC of output data of D0 ~ D7. And then selected address 2, it will work. 8254-2 393 address 1 Address 2 8254-1

3. Circuit Interaction #I/O Board : IO REV06(DUP) 2) IO REV06(DUP) Circuit understanding ③ Each IC address assignment Circuit Diagram Description Each output signal from 8254, 8255 input next circuit, and that output signal will input on related board. TR input is inputting L signal normally. If inputting H signal, output will be changed H to L. The meaning of output signal change H to L, The circuit which is receiving output signal is consisted of as below. It consists of Photocoupler ※ A –Usually, In case H, it won't work. And In case L, it work. A

3. Circuit Interaction #I/O Board : IO REV06(DUP) Circuit Diagram 설 명 The signal from each sensors input 8255 of IO B/D via input signal circuit. H(74HC14) is inputted usually, output is inputting L signal to 8255. The relationship of between input and output signal is explained as following. When signal output, 8255 of address 1 is selected, then WR signal is inputting and output date is outputting via 8255A. Input signal is selecting 8255 of address 2, then RE signal is inputting and signal is read. Unselected IC address is nothing to do, and stand by the command. 8254 B 393 Address 1 Address 2 A

# Thread board : SB thread B/D
3. Circuit Interaction # Thread board : SB thread B/D Function & Role Thread board is responsible for thread cutting, Jump Motor or Jump Sol, upper thread holding Sol. SQ device movement. Difference between the Former board is applied CAN Communication way, when converting MCU program.

# Thread B/D : SB Thread B/D
3. Circuit Interaction # Thread B/D : SB Thread B/D Main Components Sort IC Content High Performance Digital Signal Controllers DSPIC30F4011　 It’s a 16bit Micro Controller with a built –in DSP(Digital Signal Controllers) DATA PATH = 16 bit INSTRUCTION = 24 bit Rapid and exact interrupt response. DSP function of real time-speed calculation RAM (32K x 16bit) Octal buffer/ line driver; 3-state 74HC244; 74HCT244　 3-state buffer of 8 bit When No1 and No19 are Low, input date is output. (not reversal) When No1 and No19 are high, it's status of high impedance.

Sort IC Content Dual Precision Retriggerable/
Resettable Monostable Multivibrator MC14538B When receiving short pulse in IC which has two (mono stable multi vibrator) , has function which made pulse of regular. Because length of the pulse is be set by time constant, it can be set time. Octal buffer/ line driver; 3-state 74HC244; 74HCT244　 3-state buffer of 8 bit. IC decides status of output by No1(ENA) and No19(ENB) When No1 and No19 are low, it's output (not reverse) When No1 and No19 are high, it's OFF status of high impedance. 펄스 발생 또는 정류작용(整流作用) 등을 하는데, 보통 트랜지스터 또는 진공관 2개 1쌍을 주요 구성요소로 한 회로가 쓰인다. 이 둘 중에서 한쪽에는 전류가 흐르고, 다른 쪽은 흐르지 않는 상태에 있다. 외부로부터 입력을 가하든지, 또는 회로의 상황에 따라, 이 상태는 한 쪽으로부터 다른 쪽으로 반전하여, 지금까지 흐르고 있던 쪽이 흐르지 않게 되고, 흐르지 않던 쪽이 흐르게 된다. 이 두 상태는 그 어느 쪽에도 입력을 하지 않는 한 안정하며 한 쪽만이 안정, 불안정이라는 상태를 끊임없이 되풀이 반전한다. 이와 같은 안정 상황은 회로의 설계에 의해 바뀌어져서, 제각기 다른 기능을 수행할 수 있다. 이것을 2안정 ·1안정 ·비안정(非安定) 멀티바이브레이터라고 한다. 2안정의 것을 플립플롭이라고 하며 펄스의 기억에 많이 이용된다. 비안정은 회로상수로 정해지는 시간폭으로 사각형파가 발진하며, 1안정은 가변 펄스폭 발생기나 일정시간 지연된 펄스를 얻는 데 이용된다

Sort IC Content Photo Coupler
When lighting in LED, TR is working by sensing the light It's strong against noise, having high insulation. Power MOS FET IRF644B 2SK2508 It’s transistor for controlling current by voltage Also, it’s used as Fast Switching during working.

Sort IC Content Inverter When input is high, output is Loc by IC.
74HC14 When input is high, output is Loc by IC. (The opposite : Buffer) AND GATE 74HC08 IC is output signal by multiplication per signal H(1) x L(0) = Low (0)

3. Circuit Interaction # Thread B/D : SB Thread B/D 2) Content of Thread Board circuit Circuit diagram Content Power of Thread B/D is received DC24V from Control Box. DC12V is changed 5V by (Step Down DC - DC Converter Power IC MD5001T) and then is used as driving voltage. DC24V is used as Upper Thread holding Sol. and voltage of Jump motor in Sub-Thread Board. Cf) 0 (Ω)resistance : It's connected by electric, also it's have public ground. Ground of power and ground of control is build each of them, and then connect only one part. This can main circuit which is rotate in power ground, also it can't be moved to the signal ground. So, all circuit can work in safe. Power circuit

3. Circuit Interaction # Thread B/D : SB Thread B/D 2) Content of Thread Board circuit Circuit diagram Content I/O -> CAN communication ->MCU-> Signal of holing Sol. High->Low light by Current of approval 5V and then 24V current is run by working(saturation)of Tr. The voltage of R30 is almost 5.53V. calculation : 3㏀ / 10㏀+3㏀)*24V ≒ 5.53V It's working by 24V current and switching of FET(Q11) ■ Purpose of using D24(1N4004) It's composed of coil, when halt, inverse voltage is suddenly occurred. It's inverse voltage and if it's not removed, raise a problem. Diode of 1N4004 has function to remove inverse voltage. This circuit is Freewheeling circuit. Circuit of upper thread holding Sol.

3. Circuit Interaction # Thread B/D : SB Thread B/D 2) Content of Thread Board circuit Circuit diagram Content MC14538 IC has sense signal A,B of PWM from CPU and then HIGH signal(5V) is transfer to No.6 No.10 pin When signal of Jump On is H →L with INVERTER, Signal of R_EN is associated with signal of AND GATE it's has output of H and again reverse , signal of RUN_G is H →L Circuit of Jump Motor

Circuit diagram Content
When RUN_G is H->L, 74HC244 ENA is enable. PWM signal of A1~A4 can be YA1~YA4 (Because Jump Motor was used only one, ENB(B1~B4) was almost not used.) Input Output ENA, ENB An,Bn YAn, YBn L H X Z When signal of ENA,ENM is low, signal of An,Bn is not reverse.. When signal of ENA,ENB is high, it's not output. (regardless of AN,BN) Signal of Run_A, Run_/A in I/O board is associated with signal 74HC14 , and then it's divided into A and /A.

3. Circuit Interaction # Thread B/D : SB Thread B/D 2) Content of Thread Board circuit Circuit diagram Content Step motor can be rotated by switch of FET(2SK2508) from 74HC244 IC. Jump Sol. only worked by signal of A. Circuit of Jump motor is composed of 2phase. To remove inverse voltage from Jump motor, it's made up FREEWHEELING with diode resistance cf) It can be chosen motor or Sol by jumper pin Circuit of Jump Sol and motor 24V 24V working stop

3. Circuit Interaction # Thread B/D : SB Thread B/D 2) Content of Thread Board circuit Circuit diagram Content Circuit of Sub-Thread It has received signal from I/O board and has associated with 4051 IC and then input into photocoupler of needle of wheel B/D. 4051 IC is analog Multiplexer(Demultiplexer) of 8 channel. Also it has function of Demultiplexer which was selected from No3 PIN(X) to X0~X7 in Sub-Thread board. SWITCH_SIG is sensor type by spring of old-embroidery. WHEEL_SIG is input into CPU by signal of WHEEL B/D If thread is break, pulse signal is not occurred. So, CPU of SB Sub-Thread has sensing that and then has generated pulse to the LED_ON/OFF LIN. LED is light by switching Tr(Q6) 4051 IC 기능 CHANNEL ON INH A B C L X0 H X1 X2 X3 X4 X5 X6 X7 X NONE CPU dsPIC30F4011

3. Circuit Interaction # Thread B/D : SB Thread B/D 2) Content of Thread Board circuit Circuit diagram Content Flow Chart between wheel B/D and Thread B/D Between wheel B/D and Thread B/D 　switch signal Needlebar signal 　only select number8 　Wheel signal 　Thread break 　Lamp ON OFF Thread break Thread break Not flash flash

3. Circuit Interaction # Thread B/D : SB Thread B/D 2) Content of Thread Board circuit Circuit diagram Content Circuit of Head Selection When signal of SW_Select is low from MCU of SB Thread B/D , ENA is ENABLE by LOW and ENB is DISABLE by HIGH, so signal of A1~A4 is VA1~VA4.. Signal line of Sequin working SPWM_A, SPWM_B, SEQ_DATA, SEQ_CLK, Right or Left Motor Selection are output from MCU, No.7 pin of CN4 is Air Pressure Sensor with connected Sequin B/D. No.7 pin of CN4 is sensing signal from checking inputted air of Air Sol. Circuit of Head Selection Signal line of Sequin working

3. Circuit Interaction # Thread B/D : SB Thread B/D 2) Content of Thread Board circuit Circuit diagram Content Circuit of Head Selection When signal of SW_Select is low from MCU of SB Thread B/D , ENA is ENABLE by LOW and ENB is DISABLE by HIGH, so signal of A1~A4 is VA1~VA4.. Signal line of Sequin working SPWM_A, SPWM_B, SEQ_DATA, SEQ_CLK, Right or Left Motor Selection are output from MCU, No.7 pin of CN4 is Air Pressure Sensor with connected Sequin B/D. No.7 pin of CN4 is sensing signal from checking inputted air of Air Sol.

3. Circuit Interaction # Main Board
3. Circuit of Main Motor Driver Board 1) Break Line Sort Content Among Servo POWER and FRONT B/D and another, by add asbestos resistance to resistance (250V 0.5A) in break line so, it's to prevent abnormal voltage, damage of asbestos resistance, line of over current When motor is stop, it's have inverse voltage. At this time, if the voltage is over 4.2V, FET791(2700) is ON. and then "a" is erase in asbestos resistance of 160Ω. At this time, if voltage term of "a" is long, asbestos resistance of 160Ω is damaged. But if add fuse(0.5A) to asbestos resistance, it can prevent damage.. 전압 310V 시간 a b cf) When circuit of break line is not working, if inverse voltage is over DC450V, condenser(390uF 450V) can be damaged..

3. Circuit of Main Motor Driver Board A phase, B phase and synchro signal input ( line from MMDRV Board to I/O board) Sort Content All system control of pattern Controller is depend on CPU CARD. It can check speed of main motor by A,B signal of Servo motor from MMDRV Board. Also can control position of needlebar, angle of cutting by SIND signal.

3. Circuit of Main Motor Driver Board. 2) A,B phase and input of synchro (Line from MMDRV Board to I/O Board) Sort Name Content 74HC14 It's reversed IC which has function of inversed output by input value. PULL UP resistance Resistance of PULL UP is usually used in part of OPEN COLLECTOR. This is used to stabilize amplified current of output , output voltage. - It's terminal which selects received position of cutting signal in patter , embroidery. 1) embroidery: No2, 3 2) pattern: No1,2 input H L output

3. Circuit of Main Motor Driver Board 3) Line of Motor speed Sort Content Servo Motor speed is depend on pedal in servo controller. Speed is decided by pedal, value of analog ouput. pattern Speed of Patter Main motor is decided by digital signal(8bit). (Not analog value.). An output(small) Low speed of Motor An output large) High speed of Motor (Max 4.7V) LSB Low speed of main motor MSB High speed of main motor i(Mere, t's speed in design.)

3. Circuit of Main Motor Driver Board 4) Division circuit Sort Content - Division circuit is to divide inputted pulse. Function : Frequency(4Khz) is always ouput to control motor from CPU No.6 pin But, when it's stop, it has slightly twitter. So, to modify control frequency, motor is controlled by half of 74HC393 (No3 pin: output frequency, No1 pin: input frequency) Sort input output 1 3 4 5 6 frequency 4KHz 2KHz 1KHz 500Hz 250Hz

3. Circuit Interaction # Main Board 4. Modification of Main board.
1) Precaution and point of main modification for modifying working. * Before working them, power on a soldering-iron, and then arrange around. -aromaticity part : electrolytic condenser, diode, IC ( mian examination for the parts) -check of fuse capacity : F1: 15A, F2: 0.5A (use TIME DELAY FUSE) -distinction of TR : M6 ( TR for PNP type), L6 (TR for NPN type) -check for direction of switching trans. -solder the IPM, Bridge Diode 3510 (solder by solderling jig : When soldering, be careful the IPM and Bridge Diod) 2) Sit down work bench and put B/D on work bench, examine with the naked eye. - check lead(short) , pattern (short) of sholdering side. - check the aromaticity part(electrolytic condenser, IC) by magic pen - Insert the GAR, U6 PPV, U8 24C 04. (When inserting, be careful PIN of IC) - If there is nothing wrong, attach initial of scrutator circle sticker

3. Circuit Interaction # Main Board 5. Modification of Main board.
1) Connect CN1 of connector(220V) 2) Set voltage of each terminal by a tester unit. 3) When power on, surely check that working status of relay , ON status of LED. 4) Connect Jumper CAP of JP2 as No.1~ No.2. (single, 4head : No.2 ~ No.3) 5) Test of Main motor - After connecting No.1 ~No.2 of JP6, test main motor. (when connecting No.3~ No.4 ,motor twitter - Initialize by pushing switch(3unit) of Servo P/U at the same time. (Set the 4.Mahince Test in Main Menu, press descent button. after setting "2.Main Motor Test", press enter button. - Check that early speed is 200rpm. - Change speed by pushing Speed UP, DOWN KEY. (When changing speed, check twitter of motor, noise. When occurring "129Er", power off and check that.) - Check by pull out connector of Servo P/D. (check polar) N O TEST POINT (+) TEST GND Power value Note 1 TP 3 TP 6 1.26 V R 111 adjustment 2 7815 OUT 6 V 3 U 9 “HC 14 No.4” U9 “HC 14 No.6” 5 V 4 R 713 both ends 12 V R 720 adjustment 5 B/D 3510 (+) B/D 3510 (-) 310 V

3. Circuit Interaction # Thread B/D : SB Thread B/D

High Precision Positioning
3. Circuit Interaction # XY Driver Board 1. Motor Type There are various range of Motors, from only focusing on its rotation to controlling speed and rotation of Motor. Stepping Motor is widely used as the controlling motor , which is advantage of response and reliance, but controlling most. Also, Stepping Motor is named after sound, pit, pit like steeping on when the motor shaft rotates in low speed. MOTOR Tyep5 Advantage Stop Speed Speed Range Induction Motor Power Overrun: Rotation Fixed Reversible Motor Overrun: 5-6 Rotation Stepping Motor High Precision Positioning ± 3 Min. (±0.05) rpm AC Servo Motor High Positioning ± 21 Min (±0.36) rpm

3. Circuit Interaction # XY Driver Board 2. Advantage of Step Motor
1) High Resolving Power, High Precision Positioning The most advantage of Stepping Motor is High Precision Positioning. There are two motors, 5 Phase Stepping Motor which is rotating 0.72 degree per unit and 2 phase Stepping Motor, rotating 1.8 degree per unit. Motor is rotated depending on pulse and tolerance is within ± 3 Min. (±0.05 degree without any load). ※ PULSE ? - Electrical Signal causes Voltage’s ON & Off. One time of cycle of On and Off is 1 Pulse. 2) Easy controlling for Angle & Speed Angle and Speed of Rotation is controlled by Pulse easily. Rotation Angle is by Pulse Quantity, and Rotation Speed is by Pulse Speed. 3) High Torque, High Response Stepping Motor can get high Torque even in small size, so acceleration ability is good and can move fast in only one rotation. 4) Self Maintenance Ability stepping Motor has maintenance ability in stop position (Without Signal) and maintain Dog Stop Position without mechanical break. ※ Pulse Speed : pps (pulse per second) Unit of speed of Stepping Motor as Input Pulse Quantity per one second Step Angle : Rotation Angle of Motor when inputting one pulse.

3. Circuit Interaction # XY Driver Board
3. Principle of Small XY DRIVER 1) Unipolar type of Motor (Six FET works orderly.) It has simple structure, which is one coiling and that electric current flows only one side. 2) 2Phase STEP DRIVER It is for 2 phase Motor. 3) Bipolar DRIVER It make electric current flowed to both Side in Coil. A 상 A 상 B 상 B 상

3. Circuit Interaction # XY Driver Board 4. Small XY Driver Diagram
1) Error detecting Diagram Classification Content By detecting electric current from FET to Motor through resistance (0.05Ω, 33Ω), when TLP 120, PS2705 is ON, Alarm signal is changed to low from High and out. When inputting low signal on No.4 Pin in 74HC74, LED change to Red and error come out and motor stops. ※ FUNCTION TABLE INPUTS OUTPUTS PRE CLR CLK D Q L H ×

3. Circuit Interaction # XY Driver Board 4. Small XY Driver Diagram
2) A, B Phase Pulse and SMPS Power Input Classification Content Connecting Joint Board, inputted A, B, CNT, Int signal from I/O Board, and error come out. Used -5V form 7905 Regulator receiving +12V, +5V, -12V from SMPS.

5. Rectification for XY Board of Small-Head M/C (ST-EM ) 1) Precaution and Main Rectification POINT ＊ Turn on Magnifying Glass, Soldering Machine and Clear your surroundings before starting. - Directional Component: Chemical Condenser, Diode, IC (Focused inspection on the Directional Component by macrography) - Precaution for distinction of TR: M6(PNP type TR), L6(NPN type TR) - Precaution for distinction of DIODE: A3(Anode Common), B3(Cathode Common) - Check the direction of Pulse Transformer. - Check the direction of LED. 2) Sit on the chair of Work table and Put the B/D on the table. Lightly catch both side of B/D by hand and Check the appearance by macrography. - Check the Soldering, Lead Short, Pattern Short on the PWB (Printed Wiring Board). - After checking Directional Components (Chemical Condenser, Diode, IC, Connector etc), and then Marking on it by marker. - If it is good, Attach the Round Sticker with Inspector’s initial on the Board and Carry to Inspection Process. SWF 57/76 Page

6. Inspection for XY Board of Small Head M/C (ST-EM ) 1) Set the 3rd Rotary Switch 3 (RSW 3) to the “F”, Turn on the CPU POWER of Inspection equipment. 2) Check the Input voltage of IC. 3) Check the Input Signal (5V/5msec on the oscilloscope) 4) Reset Inspection(5th and 6th pin of U14) 5) Check the Round Pulse of 12V (Turn the VR2 to fix it on 38Khz) (Detected Pulse error, Check the Soldering, Short on TR and Diode of 2nd of Pulse Transformer) 6) Check the Sampling Signal (Turn the VR4 to fix on 18Khz) 7) Check the Pulse Shape of OP-Amp (Check the pulse of 1st and 7th of U15, 16 whether it is same) 8) Check the FET Dead Time. 9) Check the FET Signal (In the both ends of FET) 10) Current Setting - Insert the Power connector of AC 220V and Motor link connector to the equipment. - Turn the AC Power ON/OFF of Inspection equipment, Link the Jump Connector to CN5. After supply the power to CPU, Check the movement of Motor whether it is working by Charged Power of Condenser . (If you find Red light of LED or Irregular movement of Motor, Figure out the causes and implement the inspection.) - Turn CPU switch and 220V Power On, and check the current. (current of A and B Phase, Fix the VR3 to 2.0A on average.) - Check the variable velocity and direction of the Motor. - Turn the RSW3, check the current value whether it is changing. - Turn it ON and find Yellow light on LED, Replace the U28. SWF 58/76 Page

6. Inspection of XY Board of Small Head M/C ★ Classified value of RSW 3 for M/C Series M/C SERIES TYPE AXIS “F” Current Rotary S/W 1 Head Flat Bed X 2.5 A 7 Y 3.0 A F 2 Head Tubular 2.0 A 8 4 Head A C 6 Head 12 Head 3.5 A SWF 59/76 Page

3. Circuit Interaction # SHUP_BPLANE Board SWF 60/76 Page

3. Circuit Interaction # SDB REV09 (DUP_CC) Function and Role
Function: Run and Stop the Motor to Automatic Color Change, Sensing Needle Position, DC-DC Converter. Main Component Dspic30F4011 4538 7805 2SK2508 SWF 61/76 Page

4. Understanding of small XY Driver’s circiuit 3) Input circuit of Motor Driving power circuit content it designs based 3-phase, but now small head is using one-phase, so only 1,2 line is using. it’s changed from AC 220V to Motor Driving DC 310V.

4. Understanding of small XY Driver’s circiuit 4) 12V occurrence circuit 구 분 내 용 The circuit is made the power of FET and TLP2200’s 12V Transmit from Pulse Trans 115 for separating the power and change from DC in bridge Diode - T = 2.2Rt*Ct - T(Max) = 2.2*(53E2)*(2.67E-9) = About 3.11E-5 - F(Min) = About 32 KHz

4. Understanding of small XY Driver’s circiuit 5) The circuit of Sampling Signal 구 분 내 용 Compare the current value of Motor + Pulse’s value with Sampling waveform, and then set the VR4 for output FET waveform. So it’ output Sampling triangle waveform ( Khz)

4. Understanding of small XY Driver’s circiuit 6) The function current Controller and FET Driving PWM’s waveform Circuit Content (The function of current Controller) PD controller apply current controller as preventing output’s current down by reverse-power of motor (FET Driving PWM ‘s waveform) The 5V PWM is occurred by FET driving waveform It stays about sec ’s Dead Time in each PWM ‘s wavefrom. 1 : 1 SWF 65/76 Page

4. Understanding of small XY Driver’s circuit 7) the function of current Amplifier circuit Content the motor is working when the driving current of each driving signal is input. This process is PWM waveform made by current controller through current Amplifier and then swicthing the FET. 8) The function of current FeedBack ’s circuit - When the motor is working, through Motor coil and current sensing resistance, Motor’s cable current value is sensing. This current is transfer to torque controller. SWF 66/76 Page

3. Circuit Interaction # SDB REV09 (DUP_CC) Main Parts SWF 67/76 Page
구분 IC명 내용 High Performance Digital Signal Controllers DSPIC30F4011　 Micro Controller included DSP (Digital Signal Controllers) DATA PATH = 16 bit INSTRUCTION = 24 bit Rapid and exact response Possible High speed operation RAM (32K x 16bit) Octal buffer/ line driver; 3-state 74HC244; 74HCT244　 3-state buffer of 8Bit This(IC) is depend on 1th (ENA) and 19th (ENB)’s spec, and the three kind of output can come out When 1th and 19th is LOW, the input don’t reverse and the value is output. When 1th and 19th is High, the high impedance is off SWF 67/76 Page

구분 IC명 내용 Multi vibrator The multi vibrator is Each trigger and reset control of dual state. This can re-trigger and re-set, control input is luached inside. SWF 68/76 Page

CD4538BC is Exact Single Multi vibrator, control Trigger and Reset of Dual function separately.
This can be Re-trigger and reset, the control input launch inside. Two trigger’s input can choice between up and down trigger. Reset input is LOW Active Mode, in active mode it can’t use a trigger function Exact control of output Pulse’s range can possible by CMOS technology. The Pulse’s cycle and precision is depend on Rx and Cx of outside. When the power off, this don’t permit a discharge of electricity’s timing condenser by timing Pin.

SWF 70/76 Page 구분 IC명 내용 Photo Coupler
LED is bright and then Receiver(TR.) is sensing & working. There are High noise and non-conductivity. Power MOS FET IRF644B 2SK2508 The transistor is controlled the current by voltage. This is for Fast Switching. SWF 70/76 Page

SWF 71/76 Page 구분 IC명 내용 Inverter
74HC14 This IC that when input is High, Output is Low. (Opposite : beffer) AND GATE 74HC08 The IC that the output multiply each input. H(1) x L(0) = Low (0) SWF 71/76 Page

Circuit diagram 설 명 SWF 72/76 Page

3. Circuit Interaction # CPU Board
Apply machine : Small Head K-series, Multi K-series, SB-series TA, CA, CE 1. The function of ETX550 CPU Board 　 1) ETX550 CPU Board’s outline ▷ ETX550 CPU Board is design for using various situation, that the CPU 및 BIOS, MEMORY in system is separated So when it needs to modify, just change Base board. ETX 550 CPU BOARD& BASE BOARD is the CONTROLLER that strong against the vibration and rust, and it’s more effective and secure. 2) ETX550’s characteris ① The design that Babe Board is install ETX550 CPU Board is design for using various situation, that the CPU 및 BIOS, MEMORY in system is separated So when it needs to modify, just change Base board ETX 550 CPU BOARD& BASE BOARD is the CONTROLLER that strong against the vibration and rust, and it’s more effective and secure. Base Board’s front is install for using. ② the Memory’s function is included (NAND Flash Memory) Device’s Memory size : 4Mbyte  8Mbyte It designs for 3.3V type Without changing the circuit , it apply big size device Add the function of Write Protect, more safer than before ③ Using FRAM(included battery) instead of NVRAM(included battery) ④ Included SDRAM the SDRAM’s size is 32BIT it’s possible that SIMM SOCKET and SDRAM Modual’s problem ⑤ CPU Cooling Plate Cooling the CPU it prevents about the cooling fan’s problem

3. Circuit Interaction # CPU Board System Specification CPU
SiS550 Integrated x86 / MMX Compatible CPU PC-compatible DMA CONTROLLERS, INTERRUPT CONTROLLERS AND TIMERS MEMORY 32M SDRAM on Board BIOS KARAM BIOS Display Integrated Ultra-AAGPTM VGA for Hardware 2D/Video/Graphics Accelerators AGP 4X Compliant / Fully DirectX 8 Compliant Built-In DVI / DSTN/VIP interface Support TTL/LVDS panel and CRT Moniter Output RTC Supports ACPI Day-of-Month and Month-of-Year Alarm 256 Bytes Of CMOS SRAM ROM socket One for BIOS and ROM driver BOARD DIMMENSION 100mm X 70mm

3. Circuit Interaction # CPU Board ETX550’ exterior and Main parts
Front Rear

3. Circuit Interaction # CPU Board U16 U11 U10 U13 U8 U7 U9 U5 U1 JH1
ETX550’ exterior and Main parts Front Rear U16 U11 U10 U13 U8 U7 U9 U5 U1 JH1 Y2 Y1

적용기종: 소두K 시리즈, 다두 E, SB시리즈, TA, CA, CE시리즈 3) The Main parts of ETX550 CPU BOARD ① SIS550 (CPU) : U1 Integrated x86 / MMX Compatible CPU Integrated DRAM Controller PCI 2.2 Specification Compliant Fast PCI 2.2 Specification Compliant Integrated Ultra-AGPTM VGA for Hardware 2D/Video/Graphics Accelerator Advanced PCI H/W Audio & S/W Modem Advanced Power Management Integrated Smart Card Controller ② HY57V283220T (DRAM) : U7,U8 All device pins are Compatible with LVTTL interface 86TSOP-Ⅱ , 90 Ball FBGA with 0.8mm of pin pitch Data mask function by DQM0,1,2,3 Internal four banks operation Auto refresh and self reflesh 4096 refresh cycle / 64ms ③ FM1608 (FRAM) : U11 64kbit Ferroelectric Nonvolatile RAM High Endurance 1 Trillion (1012) Read/Writes Year Data Retention Advanced High-Reliability Ferroelectric Process No Battery concerns Low Power Operation Industry Standard Configuration

3) The Main parts of ETX550 CPU BOARD ④ ICS9248 ( Frequency Generator ) : CLK1 ◇ Output Features : ▷ 3 - CPUs at 2.5V ▷ 13 - SDRAM at 3.3V ▷ 6 - PCI at 3.3V ▷ 2 - AGP at 3.3V ▷ 48MHz at 3.3V fixed ▷ 24/48MHz at 3.3V selectable by I2C ( Default is 24MHz ) ▷ REF at 3.3V , MHz ◇ Features : ▷ Up to 166MHz frequincy support ▷ Spread spectrum for EMI control ( 0 to -0.5% , ± 0.25% ) ▷ Uses external MHz crystal ⑤ XC9536XL (CPLD) : U61 ▷ 5ns pin to pin logic delays ▷ Ststem frequincy up to 178MHz ▷ 36 macrocells with 800 usable gates ▷ Available in small footprint package ▷ 44-pin VQFP (34 user I/O pin) ▷ Optimized for high-performance 3.3V systems (Low power operation) ▷ 5V tolerant I/O pins accept 5V , 3.3V , 2.5V signals

3) The Main parts of ETX550 CPU BOARD ⑥ K9F6408 (NAND Flash Memory) : U60 , U62 ▷ 3.3V device(K9F6408U0C) : 2.7V ~ 3.6V ▷ Memory Cell Array : (8M + 256k)bit x 8bit ▷ Automatic Program and Erase ▷ Page Program : ( )Byte ▷ Block Erase : (8k + 256)Byte ▷ 528 Byte Page Read Operation ▷ Hardware Data Protection ▷ Program/Erase Lockout During Power Transitions ⑦ 24LC04B (Serial EEPROM) : U9

4. Socket & Connector CPU board connector / FX6-80P-0.8SV (JH1) PIN
ASSIGNMENT 1 GND 2 3 4 5 SB3V 6 7 PWRTN 8 PSON 9 NC 10 11 VCC3 12 13 14 15 PCIRST 16 PCICLK1 17 LDRQ 18 LAD0 19 LFRAME 20 LAD1 21 SIRQ 22 LAD2 23 INT-A 24 LAD3 25 INT-B 26 RTCVDD 27 28 29 GPIO4 30 GPIO0 31 GPIO5 32 GPIO1 33 GPIO6 34 GWR GOOD 35 GPIO7 36 37 38 CS1 39 XPMDAT 40 KBDAT 41 XPMCLK 42 KBCLK 43 44 45 LRXP 46 LTXP 47 LRXM 48 LTXM 49 LLED0 50 LLED1 51 52 53 UVN0 54 UVN1 55 UVP0 56 UVP1 57 OC#0 58 OC#1 59 UVN2 60 VCC 61 UVP2 62 63 OC#2 64 65 66 67 SDAT10 68 SPKR 69 SDAT0 70 AC RETSET 71 BIT CLK 72 SYNC 73 74 75 76 77 VCC1.8V 78 79 80 CPU board connector / FX6-80P-0.8SV (JH1)

4. Socket & Connector BIOS / ROM DRIVE SOCKET (J1)
PIN ASSIGNMENT 1 P01 2 A16 3 A15 4 A12 5 A7 6 A6 7 A5 8 A4 9 A3 10 A2 11 A1 12 A0 13 D0 14 D1 15 D2 16 GND 17 D3 18 D4 19 D5 20 D6 21 D7 22 CE 23 A10 24 VAD0 25 OE 26 A9 27 A8 28 A13 29 A14 30 A17 31 P31 32 VCC BIOS / ROM DRIVE SOCKET (J1) LCD PANEL CONNECTOR/DF9-41P-1V(J2) PIN ASSIGNMENT 1 VAD8 2 GND 3 VAD4 4 VCC 5 VAD9 6 VBD0 7 VAD5 8 VBD8 9 VAD10 10 VBD1 11 VAD6 12 VBD9 13 VAD11 14 VBD2 15 VAD7 16 VBD10 17 18 VBD3 19 VAVSYNC 20 VBD11 21 DISPOFF 22 VBD4 23 VAHSYNC 24 VAD0 25 LPCLK 26 VBD5 27 3.3V 28 VAD1 29 30 VBD6 31 ENABKL 32 VAD2 33 LCDVDD 34 VBD7 35 ENVEE 36 VAD3 37 38 12V 39 40 41 NC 42

ETX550’ exterior and Main parts
Front Rear

구 분 내 용

구 분 내 용 SWF 84/76 Page

Technical Training _Embroidery machine control parts

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