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LG FPD1570, Service Manual

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LG FPD1570 Service Manual Download Page 16

- 16 -

CHECK 
ADC-CLK PATTERN

CHECK

U1 PIN 254

DOT CLOCK ?

NO

TROUBLE IN
U1

NO

TROUBLE IN
U1

NO

TROUBLE IN
U1

NO

YES

YES

YES

YES

YES

CHECK

MEMORYCLK

U6, U7, U8

PIN 35 ?

CHECK

U1 PIN 93, 94

DOT CLOCK ?

CHECK

U1 PIN 124 

D26 (H.PULSE) ?

Summary of Contents for FPD1570

Page 1: ...COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 18 MODEL FPD1570 LB680A ...

Page 2: ...p p c Color 15 0 0 714 Vp p 3 Input Impedance 75 Ω 3 3 Operating Frequency Horizontal 30 80kHz Vertical 56 85Hz 4 POWER SUPPLY 4 1 Power Adaptor Input AC 100 240V 50 60Hz 1 2A Output DC 24V 1 2A 4 2 Power Consumption 5 ENVIRONMENT 5 1 Operating Temperature 10 C 35 C 50 F 95 F Ambient 5 2 Relative Humidity 10 80 Non condensing 5 3 Altitude 0 10 000ft 3 030m 6 DIMENSIONS with TILT SWIVEL Width 370 2...

Page 3: ... s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty please wipe it off with a softmaterial Cleaning with a dirty or rough cloth may damage the panel WARNING BE CAREFUL...

Page 4: ...640 x 350 720 x 400 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 832 x 624 1024 x 768 1024 x 768 1024 x 768 1152 x 870 1152 x 900 1280 x 1024 1280 x 1024 Total Period E 800 449 900 449 800 525 840 500 832 509 1056 628 1056 625 1048 631 1152 667 1344 806 1312 800 1376 808 1456 915 1504 937 1688 1066 1688 1066 Video Active Time A 640 350 720 400 640 480 640 480 640 480 800 600 800 600...

Page 5: ...Button AUTO SET Button Power Button Power Indicator DC Power Connecter D Sub Signal Connector 1 5 4 3 2 100 100 Shortcut Keys Brightness and Contrast can be adjusted directly without entering the On Screen Display OSD system Touch the buttons to adjust the settings and then the OSD button to save all changes The Brightness and Contrast functions are also available in the On Screen Display OSD menu...

Page 6: ...es highlighted press the AUTO SET Button 3 Use the Buttons to adjust the item to the desired level 4 Accept the changes by pressing the AUTO SET Button 5 Exit the OSD by Pressing the OSD Button Listed below are icons icon names and icon descriptions of the OSD menu 88 100 BRIGHTNESS CONTRAST 9300K 6500K COLOR PRESET RED GREEN BLUE Brightness Used to adjust the brightness of the screen Contrast Adj...

Page 7: ...the image of characters CLOCK PHASE LANGUAGE ENGLISH FULL OSD POSITION 48 3kHz 60 0Hz PRESET MODE MODE INFO ON IMAGE SIZE SETUP To choose the language in which the control names are displayed This function displays the image in its original size or enlarged size so as to fit in the full screen of the LCD panel To adjust position of the OSD window on the screen There is information of video modes p...

Page 8: ...ONTROL PCB 1 2 5 3 4 6 7 NO 1 2 3 4 5 6 7 Ref No SW301 SW304 SW303 SW306 SW302 SW307 SW305 Control Function OSD BUTTON ADJUST LEFT ADJUST UP ADJUST DOWN ADJUST RIGHT AUTO SET POWER SWITCH WIRING DIAGRAM CN3 J10 J4 J2 CN2 CN1 J301 ...

Page 9: ...ews b from the Back Cover 3 Remove the Back Cover 3 METAL REAR ASSEMBLY REMOVAL 1 Remove eight screws a 2 Remove the Metal rear Ass y a a Back Cover b b a a a a a a a a J10 J4 J2 a a a a b b b 4 CONTROL MAIN PCB ASSEMBLY REMOVAL 1 Disconnect J2 J4 and J10 2 Remove four screws a 3 Remove the Main PCB Ass y 4 Remove three screws b 5 Remove the Control PCB Ass y ...

Page 10: ...ule 5 INVERYTER REMOVAL 1 Disconnect CN2 CN3 1 Remove two screws a 2 Remove the Inverter Bottom Lower Backlight Ass y Top Upper Backlight Ass y LCD Module a a a a a a a a a b b b b b b 5 METAL FRAME ASSEMBLY REMOVAL 1 Remove five screws a 2 Remove six screws b 3 Remove theMetal Frame Ass y ...

Page 11: ...d Out CLK DE H V Sync out R G B Even LCD Module R G B differential LVDS Low Voltage Differential Signaling Data 48 Bit Address H Sync R G B 3 3V 3 3V 3 3V ADC CLK ADC CLK R G B even odd Micom 68HC08 BD48 Inverter CTL Module CTL V Sync Power CTL H Sync 3 3V Inverter 24V DC DC Converter 3 3V Reg 3 3V 24V Input 5 0V 5 0V Video Signal 3 3V 3 3V ...

Page 12: ...nal and outputs 8 bit R G B signal to transmitter 3 Display Data Transmitter Part This part transmit digital signal from the Scaler to the receiver of module 4 Power Part This part consists of the DC DC converter and several 3 3V regulators The DC DC converter coverts 24V to be entered power adapter to 5V 5V output of DC DC converter supply to the micom and 3 3V regulators The output voltage of 3 ...

Page 13: ...G 819 made by Astrodesign Co E E PROM with each mode data saved Alignment Adapter and Software 1 Adjustment for Factory Preset Mode 1 Run alignment program for FPD1570 on the IBM compatible PC 2 Select EEPROM all clear command and Enter 3 Display cross hatch pattern at Mode 1 4 Select COMMAND PRESET START command 5 Select FOS DEFAULT command and Enter 6 Press Y key it will automatically save all F...

Page 14: ...WER TROUBLE IN U15 CHECK 5VST VOLTAGE 5V NO NO POWER POWER INDICATOR OFF TROUBLE SOMEWHERE ELSE TROUBLE IN ADAPTOR or INVERTER CHECK U15 INPUT VOLTAGE 24V NO TROUBLE IN U4 or X2 NO YES YES YES CHECK U4 PIN 6 IS THIS PIN OSCILLATED ...

Page 15: ...HECK J4 PIN 5 5V NO NO RASTER TROUBLE IN POWER ADATER CHECK J4 PIN 10 24V NO TROUBLE IN U106 U105 U101 U109 CHECK U4 PIN 42 H PULSE NO TROUBLE IN U5 NO TROUBLE IN U5 CHECK U5 PIN 115 AD CLOCK NO YES YES YES YES YES CHECK U5 PIN 117 H PULSE ...

Page 16: ... ADC CLK PATTERN CHECK U1 PIN 254 DOT CLOCK NO TROUBLE IN U1 NO TROUBLE IN U1 NO TROUBLE IN U1 NO YES YES YES YES YES CHECK MEMORYCLK U6 U7 U8 PIN 35 CHECK U1 PIN 93 94 DOT CLOCK CHECK U1 PIN 124 D26 H PULSE ...

Page 17: ...U1 NO TROUBLE IN U1 NO TROUBLE IN U1 NO TROUBLE IN U1 NO YES YES YES YES YES TROUBLE IN LCD MODULE CHECK U2 U11 PIN 31 DOT CLOCK CHECK U2 U11 PIN 30 H PULSE CHECK U2 U11 PIN 28 V PULSE CHECK U2 U11 PIN 27 H PULSE ...

Page 18: ...3 NO CLOCK CLOCK GENERATOR NO DOT CLOCK TROUBLE IN U23 CHECK U5Vcc 3 3V NO TROUBLE IN U5 CHECK U5 PIN 115 CLOCK NO YES YES ...

Page 19: ...UBLE IN DPM TROUBLE IN U17 NO TROUBLE IN DPM TROUBLE IN PC TROUBLE IN X2 NO TROUBLE IN SIGNAL CABLE NO YES YES YES CHECK U4 PIN 6 WAVEFORM 24MHz CHECK U617 MICOM PIN 1 42 H V INPUT SIGNAL CHECK U4 PIN 26 5V ...

Page 20: ... D3 ZD2 ZD1 BA8 BA9 140 130 60 50 CA16 CA9 BA29 RA32 90 80 20 U6 BA12 BA11 BA10 160 150 40 30 CA10 CA13 BA26 BA34 U5 100 5 1 10 BA14 BA13 BA15 170 20 10 CA14 CA7 BA28 BA31 L3 120 110 C72 125 D1 D2 BA16 BA17 U1 1 CA8 BA25 C67 C96 R92 D6 J3 R94 U7 BA3 C101 C181 BA1 210 200 BA37 BA38 230 220 BA39 C60 255 R24 U3 R91 C196 Q7 Q3 R93 Q8 C197 C95 C184 BA5 BA4 BA6 C190 C177 C42 ZD3 R37 R27 R31 R26 R36 L1 U...

Page 21: ...19 C14 C22 C20 C159 C18 C81 C79 R73 C87 C86 C84 R18 R19 C11 C70 C77 C76 C78 C80 C82 R90 C111 C115 C112 C98 C97 C102 R8 R7 L10 C9 R17 R10 R11 C12 C68 C75 C69 C71 C203 R97 R96 C109 C108 C105 C104 C107 C106 C8 R4 C4 R9 C6 R6 C7 C10 R2 R67 R21 R78 C202 R110 C182 C180 C100 R3 R5 R130 R132 R56 R55 R53 R38 R135 R133 R45 R46 R61 C33 R109 R108 R89 R99 C224 R111 C39 R88 C113 C183 R70 C119 C176 R54 R25 R77 R...

Page 22: ...90TKL019A PC ABS 12446B LCD LGPHILIPS TFT LCD LM157E2 A2 15 7 1280x1024 W O I INVERTER NMC1502 15 1 PWB PCB ASS Y SUB LB680A XAGT BRAND CONTROL METAL ASS Y FRAME LB680A PWB PCB ASS Y MAIN LB680A XGWC G WAY CL 18 TOTAL CONNECTOR ASS Y 30P H H 140MM UL 20276 LB680A METAL ASS Y REAR LB680A BACK COVER ASS Y LB680A 017A G WAY 12446B INSULATION PVC SHEET LB680 SCREW PVP 3x12 MSWR FZMY TILT SWIVEL ASS Y ...

Page 23: ... CERAMIC LD LESS TC 56PF 50V J NP0 2012 R TP C28 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C29 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C30 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C31 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C32 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 5...

Page 24: ...50V K X 2012 R TP C94 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C95 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C96 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C97 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C98 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C100 0CH6...

Page 25: ...D LESS TC 10PF 50V D NP0 2012 R TP C165 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C166 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C167 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C168 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D NP0 2012 R TP C169 0CH6100K116 CAPACITOR CHIP CERAMIC LD LESS TC 10PF 50V D...

Page 26: ...B TP ROHM K SOD323 200MW 5 6V 5MA PF ZD2 0DZ560009DA DIODE ZENER UDZ S 5 6B TP ROHM K SOD323 200MW 5 6V 5MA PF ZD3 0DZ560009DA DIODE ZENER UDZ S 5 6B TP ROHM K SOD323 200MW 5 6V 5MA PF ZD6 0DR340009AA DIODE RECTIFIER MBRS340 TP FAIRCHILD NON 40V 3A 80A SEC 2MA U1 0IMR882820B IC MACRONIX MX88L282FC 256PQFP BK SXGA LCD INTEGRATION U2 0ITH638300A IC THINE MICROSYSTEMS THC63LVDM83A LVDS THINE U3 0IMP2...

Page 27: ...R12 0RH0222D622 RESISTOR CHIP 22 1 10W 5 D R TP R13 0RH1000D622 RESISTOR CHIP 100 1 10W 5 D R TP R14 0RH1002D622 RESISTOR CHIP 10K 1 10W 5 D R TP R15 0RH0222D622 RESISTOR CHIP 22 1 10W 5 D R TP R16 0RH1004D622 RESISTOR CHIP 1 0M 1 10W 5 D R TP R17 0RH0222D622 RESISTOR CHIP 22 1 10W 5 D R TP R18 0RH0222D622 RESISTOR CHIP 22 1 10W 5 D R TP R19 0RH0222D622 RESISTOR CHIP 22 1 10W 5 D R TP R20 0RH1000D...

Page 28: ...86 0RH1201D622 RESISTOR CHIP 1 2K 1 10W 5 D R TP R87 0RH1201D622 RESISTOR CHIP 1 2K 1 10W 5 D R TP R88 0RH1501D622 RESISTOR CHIP 1 5K 1 10W 5 D R TP R89 0RH1501D622 RESISTOR CHIP 1 5K 1 10W 5 D R TP R90 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R TP R91 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R TP R92 0RH1002D622 RESISTOR CHIP 10K 1 10W 5 D R TP R93 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R TP R9...

Page 29: ... SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G S305 140 058E SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G S306 140 058E SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G S307 140 058E SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G ZD301 0DZ560009CE DIODE ZENER MTZJ5 6B TP ROHM K DO34 500MW 5 6V 5MA 26MM ZD302 0DZ560009CE DIODE ZENER MTZJ5 6B TP ROHM K DO34 500MW...

Page 30: ... VSYNC1 249 PCSEL 250 CLAMP 251 VDD 252 DCLKB 253 DCLKA 254 GNDP 255 GNDP 256 64 VDDP 63 AVDD 62 AVDD 61 XI 60 XO 59 AGND 58 AGND 57 GNDP 56 PIXINB16 55 PIXINB17 54 PIXINB18 53 PIXINB19 52 PIXINB20 51 PIXINB21 50 PIXINB22 49 PIXINB23 48 GND 47 PIXINB8 46 PIXINB9 45 PIXINB10 44 PIXINB11 43 PIXINB12 42 PIXINB13 41 PIXINB14 40 PIXINB15 39 PIXINB0 38 PIXINB1 37 PIXINB2 36 PIXINB3 35 PIXINB4 34 PIXINB5...

Page 31: ... Auto gain SDRAM SGRAM g correction Brightness Contrast control RGB YUV PIXINA PIXINB RGB or YUV or YCrCb RGB24 OSD MUX Odd Even Mux Dithering OSD PIXOUT B RGB OSD De Interlace CPU I F PLL ADC 8 16 bituP FPD MONITOR CONTROLLER ADC Video YUV PC RGB FPD Panel OSD GENERATOR H V Sync CLK and DE 18 24 bit RGB 18 24 bit RGB SDRAM or SGRAM LVDS or PanelLink Transmitter ROM Pre AMP Video Decoder Composite...

Page 32: ...SS VDD3 21 PTE0 SOG TCH0 PD1 D PD0 D PTA1 PWM9 PTA0 PWM8 PTA2 PWM10 PTD6 IICSDA PTD5 IICSCL PTD3 DDCSCL VSS1 PTD2 DDCSDA HSYNC PTB3 PWM3 PTB4 PWM4 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 41 PTB0 PWM0 PTB1 PWM1 PTB2 PWM2 42 PTD4 CLAMP PTC2 ADC2 PTC1 ADC1 PTC0 ADC0 PTE1 HSYNO PTE2 VSYNO PTC3 ADC3 42 PIN SDIP 5V open drain MC68HC908BD48 3 3V port else 5V port MC68HC908BD ...

Page 33: ... Width Modulation PWM SYNC PROCESSOR VDD VSS STACK POINTER COND CODE REG V 1 1 I N Z C H INDEX REG X CPU CONTROL ALU 68HC08 CPU ACCUM PROGRAM COUNTER CPU REGISTERS DDC12AB IIC PORT D REG DATA DIR REG PTD6 IICSDA PTD5 IICSCL DDC 5V open drain 8 bit ADC USB Multi master IIC RST INDEX REG H PTB6 PWM6 PTB7 PWM7 DATA DIR REG PORT C REG USB HSYNC VSYNC TIMER PTC4 ADC4 MMIIC PTD2 DDCSDA PTD3 DDCSCL PTD4 ...

Page 34: ...5 S1 G1 S2 G2 D1 D1 D2 D2 Pin Configuration P Channel MOSFET TO 220 TO 263 1 2 3 1 PIN 1 FUNCTION ADJ GND 2 OUTPUT 3 TAB IS OUTPUT INPUT 2 3 Pin Configuration BLOCK DIAGRAM PARTS TYPE PARTS TYPE BA033FP KA78M05R KA78M12R 1 INPUT 2 GND 3 OUTPUT 1 3 2 1 Vcc 2 GND 3 OUT 1 3 2 KSC1623 1 BASE 2 EMITTER 3 COLLECTOR 2 3 1 Regulator Transistor ...

Page 35: ...1 AD9884 PRE AMP PLL ADC ...

Page 36: ...2 VIDEO PROCESS ...

Page 37: ...3 LVDS ...

Page 38: ...4 MEMORY ...

Page 39: ...5 MICOM ...

Page 40: ...6 POWER GEN ...

Page 41: ...7 CONNECTOR JACKS ...

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