Table of Contents
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1.
PRECAUTION AND NOTICES ------------------------------------------------------------------------------------- 1~2
1.1. SAFETY PRECAUTIONS ---------------------------------------------------------------------------------------- 1
1.2. PRODUCT SAFETY NOTICE ----------------------------------------------------------------------------------- 1
1.3. SERVICE NOTES-------------------------------------------------------------------------------------------------- 1
2.
3.
SPECIFICATIONS ----------------------------------------------------------------------------------------------------- 2~4
3.1.
3.2.
3.3. D-SUB CONNECTOR -------------------------------------------------------------------------------------------- 4
4.
EXPLODED VIEW AND PARTS LIST --------------------------------------------------------------------------- 5~6
4.1. EXPLODED VIEW ------------------------------------------------------------------------------------------------ 5
4.2. EXPLODED VIEW PARTS LIST -------------------------------------------------------------------------------- 6
5.
BLOCK DIAGRAM ---------------------------------------------------------------------------------------------------- 7
6.
SCHEMATIC DIAGRAM -------------------------------------------------------------------------------------------- 8~15
6.1. POWER & VGA---------------------------------------------------------------------------------------------------- 8
6.2. RGBADC------------------------------------------------------------------------------------------------------------ 9
6.3. uC & CON ---------------------------------------------------------------------------------------------------------- 10
6.4. ZiproTC_t0946----------------------------------------------------------------------------------------------------- 11
6.5. OUTPUT------------------------------------------------------------------------------------------------------------ 12
6.6. Panel_POWER----------------------------------------------------------------------------------------------------- 13
6.7. AUDIO -------------------------------------------------------------------------------------------------------------- 14
6.8. AC-DC POWER --------------------------------------------------------------------------------------------------- 15
7.
WORKING THEOREM----------------------------------------------------------------------------------------------- 16~17
8.
WIRING DIAGRAM --------------------------------------------------------------------------------------------------- 18
9.
PCB LAYOUT ----------------------------------------------------------------------------------------------------------- 19~26
9.1. MAIN PCB TOP VIEW ------------------------------------------------------------------------------------------- 19
9.2. MAIN PCB BOTTOM VIEW ------------------------------------------------------------------------------------- 20
9.3. CON PCB TOP VIEW -------------------------------------------------------------------------------------------- 21
9.4. CON PCB BOTTOM VIEW -------------------------------------------------------------------------------------- 22
9.5. AUDIO & IN PCB TOP VIEW----------------------------------------------------------------------------------- 23
9.6. AUDIO & IN PCB BOTTOM VIEW ---------------------------------------------------------------------------- 24
9.7. POWER PCB TOP VIEW ---------------------------------------------------------------------------------------- 25
9.8. POWER PCB BOTTOM VIEW ---------------------------------------------------------------------------------- 26
10.
TROUBLE SHOOTING FLOW CHART ------------------------------------------------------------------------- 27~30
10.1. NO POWER -------------------------------------------------------------------------------------------------------- 27
10.2. MCU NO FUNCTION -------------------------------------------------------------------------------------------- 28
10.3. NO DISPLAY------------------------------------------------------------------------------------------------------- 29
10.4. LOSE COLOR------------------------------------------------------------------------------------------------------ 30
11.
ADJUSTMENT---------------------------------------------------------------------------------------------------------- 31~32
11.1. ADJUSTMENT CONDITIONS AND PRECAUTIONS ------------------------------------------------------- 31
11.2. MAIN ADJUSTMENTS ------------------------------------------------------------------------------------------- 31
11.3. ALIGNMENT PROCEDURES----------------------------------------------------------------------------------- 31
12.
ELECTRICAL PARTS LIST ---------------------------------------------------------------------------------------- 33~42
13.
SVC BOM----------------------------------------------------------------------------------------------------------------- 43
566LM Service Manual
TABLE OF CONTENTS
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---------------------------------------------------------------------------- 3~4
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PAGE
10/23/2002
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Table of Contents
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Summary of Contents for LG 566LM
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Page 1: Table Of Contents
566LM Service Manual TABLE OF CONTENTS PAGE PRECAUTION AND NOTICES ------------------------------------------------------------------------------------- 1~2 1.1. SAFETY PRECAUTIONS ---------------------------------------------------------------------------------------- 1 1.2. PRODUCT SAFETY NOTICE ----------------------------------------------------------------------------------- 1 1.3. SERVICE NOTES-------------------------------------------------------------------------------------------------- 1 SERVICE TOOL & EQUIPMENT REQUIRED ---------------------------------------------------------- 2 SPECIFICATIONS ----------------------------------------------------------------------------------------------------- 2~4 PRODUCT SPECIFICATIONS 3.1. -
Page 2: Precaution And Notices
566LM Service Manual 1. PRECAUTION AND NOTICES 1.1. SAFETY PRECAUTIONS This monitor is manufactured and tested on a ground principle that a user's safety comes first. However, improper use or installation may cause damage to the monitor as well as to the user. -
Page 3: Service Tool & Equipment Required
566LM Service Manual 2. SERVICE TOOL & EQUIPMENT REQUIRED 1. SIGNAL GEN. 2. MULTIMETER 3. OSCILLOSCOPE 4. SCREW DRIVER 5. IRON 6. ABSORBER 7. SOLDER 8. DUMMY LOAD (5ohm/200W) 3. SPECIFICATIONS 3.1. PRODUCT SPECIFICATIONS LCD Panel 15.0" TFT Power Management... -
Page 4: Supporting Timing Chart
566LM Service Manual 3.2. SUPPORTING TIMING CHART ITEM TIMING 720×400@70Hz 640×480@60Hz 640×480@67Hz 640×480@75Hz 800×600@56Hz Pixel Rate 28.322MHz 25.175MHz 30.240MHz 31.500MHz 36.000MHz H TOTAL 31.778us 31.778us 28.571us 26.667us 28.444us H DISPLAY 25.422us 25.422us 21.164us 20.317us 22.222us H B-Porch 1.907us 1.907us 3.175us 3.810us... -
Page 5: D-Sub Connector
566LM Service Manual ITEM TIMING 1024×768@70Hz 1024×768@75Hz Pixel Rate 75.000MHz 78.750MHz H TOTAL 17.707us 16.660us H DISPLAY 13.653us 13.003us H B-Porch 1.920us 2.235us H Width 1.813us 1.219us H Border 0.000us 0.000us V TOTAL 14.272ms 13.328ms V DISPLAY 13.599ms 12.795ms V B-Porch 0.513ms... -
Page 6: Exploded View And Parts List
FIG.1 4.1. EXPLODED VIEW (566LM) FIG.3 2C04 X2 1F01 5B01 2C03 1F03 V901 5B02 2C05 2C09 X2 1F05 MAIN PCB ASS'Y 2C06 2C07 NOTE.2 1F07 1F09 X4 2C01 1F04 2C05 2C08 1F06 1F02 1F05 FIG.1 1F16 1F06 W601 5B03 X4... -
Page 7: Specifications
JT166L PVC 0.3t 2C01 2022259105 CABI BACK JT166LP13 ABS+PC 94V0 BLACK 2C02 2071958300 METAL FITTG VE170 KENSINGTON 2C03 2054253201 ORNAMENT LG LOGO ABS 94HB BLACK 2C04 2082730064 SCREW,BND+ M3X6(BND+)(BLK) 2C05 2084740104 SCREW,BND T+ M4X10(BND T+) (BLK) 2C06 2084730084 SCREW,BND T+... -
Page 8: Block Diagram
OSC. 12MHZ X101 I2C BUS(SDA,SCL) DDC-SCL BACKLIT ON/OFF & Brightness control Q101,I118 DDC-SDA I103 (PANEL power ON/OFF Control) DDC-SCL PANELPWR 24LC21 Panel Power & +5V Control CKT FROM D-SUB DDC-SDA EEPROM KeyPad 15 PIN LGE-566LM LCD Monitor Block Diagram 5/20/2002... -
Page 9: Schematic Diagram
DIODE ZENER /5V6 (1) SMD capacitor - temperture is 85¢J & voltage is 50V, if not indicated. (2) SMD resistor - power rating is 1/10W , if not indicated. (3) AL-EL capacitor - temperture is 105¢J , if not indicated. 566LM 5/20/2002... -
Page 10: Rgbadc
1000uF/6.3V (1) SMD capacitor - temperture is 85¢J & voltage is 50V, if not indicated. (2) SMD resistor - power rating is 1/10W , if not indicated. (3) AL-EL capacitor - temperture is 105¢J , if not indicated. 566LM 5/20/2002... -
Page 11: Uc & Con
(1) SMD capacitor - temperture is 85¢J & voltage is 50V, if not indicated. PLCC44 IC SOCKET (2) SMD resistor - power rating is 1/10W , if not indicated. (3) AL-EL capacitor - temperture is 105¢J , if not indicated. IIC TESTER 566LM 5/20/2002 -10-... -
Page 12: Ziprotc_T0946
(1) SMD capacitor - temperture is 85¢J & voltage is 50V, if not indicated. (2) SMD resistor - power rating is 1/10W , if not indicated. (3) AL-EL capacitor - temperture is 105¢J , if not indicated. 566LM 5/20/2002 -11-... -
Page 13: Output
(1) SMD capacitor - temperture is 85¢J & voltage is 50V, if not indicated. (2) SMD resistor - power rating is 1/10W , if not indicated. (3) AL-EL capacitor - temperture is 105¢J , if not indicated. 566LM 5/20/2002 -12-... -
Page 14: Panel_Power
(1) SMD capacitor - temperture is 85¢J & voltage is 50V, if not indicated. MMBT3904 (2) SMD resistor - power rating is 1/10W , if not indicated. R291 100K (3) AL-EL capacitor - temperture is 105¢J , if not indicated. 566LM 5/20/2002 -13-... -
Page 15: Audio
4700p Bead,3.5x0.8x9 C609 C610 2.0mm pitch L607 R609 Bead,3.5x0.8x9 10uF/50V L606 C612 Bead,3.5x0.8x9 R611 C613 C611 R610 4700p I601 TDA7057AQ 2mm pitch P607 To Speaker P602 R-in L608 L-in P601 P_JACK pitch=2mm COMPONENT AUDIO IN PCB SIDE 566LM 5/20/2002 -14-... -
Page 16: Ac-Dc Power
R813 C820 100n/50V R812 R806 I803 2K43/1% 3K48/1% TL431CLP C810 Q801 0.033uF/100V MEF R807 Jumper (1) Resistor - power rating is 1/8W , if not indicated. (2) AL-EL capacitor - temperture is 105¢J , if not indicated. 566LM 5/20/2002 -15-... -
Page 17: Working Theorem
566LM Service Manual 7. WORKING THEOREM A. DC-DC CONVERTER This block provides adjustable output voltages of 9.2V, -6V, 18V and 3 to 4V for the panel. It consists of a PWM IC I119 (AIC 1341CS) and power switch IC I118 (AIC 1526-1). - Page 18 566LM Service Manual plug-and-display, the T0946 performs automatic input mode detection and auto phase calibration, so the LCD monitor can ensure that the A/D converters’ sample clock is precisely synchronized with the input video data, and to preserve the highest image bandwidth for the highest image quality.
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Page 19: Wiring Diagram
8. WIRING DIAGRAM (566LM) LCD PANEL INVERTER PCB AUDIO IN PCB P981 P601 P983 P602 P602 TO:GND P980 AUDIO PCB P604 P603 TO:GND P607 P985 P802 P113 P114 P103 P112 2202508800 REV:0.02 I/O CABLE I109 POWER PCB P802 MAIN PCB... -
Page 20: Pcb Layout
9. PCB LAYOUT 9.1. MAIN PCB TOP VIEW 566LM 5/20/2002 -19-... -
Page 22: Con Pcb Top View
9.3. CON PCB TOP VIEW 566LM 5/20/2002 -21-... -
Page 24: Audio & In Pcb Top View
9.5. AUDIO & IN PCB TOP VIEW 566LM 5/20/2002 -23-... -
Page 26: Power Pcb Top View
9.7. POWER PCB TOP VIEW 566LM 5/20/2002 -25-... -
Page 28: Trouble Shooting Flow Chart
566LM Service Manual 10. TROUBLE SHOOTING FLOW CHART 10.1. NO POWER Start Check D804,D807, I801,I802,I803 C101 D801,F801 I101 Replace I101 Failed? Check I118,Q101,I107 C314,C319 9.2V Check D323,Q109, C323 L177,I119 Check D111,D112, C315 Q105,I120 Check D113,D114,D115, I121,Q116,Q117,F101,F102 -27- 5/20/2002... -
Page 29: Mcu No Function
566LM Service Manual 10.2. MCU NO FUNCTION Check D804,D807, I801,I802,I803 Pin44 of D801,F801 I107 Check Check Pin 10 of C163,C162, I107 is D110,R160 Low level 12MHz Check Clock on Pin20 X101 &21 of I107 Check I Check Trace is Pin3,4 of I107... -
Page 30: No Display
566LM Service Manual 10.3. NO DISPLAY Power Check Refer to No Power Keypad Work OK? Check P701 High Level Check Q118,I107 C151 ? H/V Sync Check Check on Pin13,129 of D108,D109, I102 is I109 R120,R121,P109 failed ? Replace I102 Check Check R.G.B data... -
Page 31: Lose Color
566LM Service Manual 10.4. LOSE COLOR Some bits lost Check I106 or R122,R124,R129, R-pack R131,R135,R138 re-soldering and I106 Check L108~L124 I109 and L126~L141 L108~L159 L143~L159 re-soldering and I109 P113,P114 poor soldering Lose color R.G or B Check Check your I/O cable... -
Page 32: Adjustment
566LM Service Manual 11. ADJUSTMENT 11.1. ADJUSTMENT CONDITIONS AND PRECAUTIONS 1. Approximately 30 minutes should be allowed for warm up before proceeding. 2. Adjustments should be undertaken only on those necessary elements since most of them have been carefully preset at the factory. - Page 33 566LM Service Manual 6500K verify : press “ ▼ ” ,“ ▲ ” key to move cursor to 6500K at factory mode and press “ 2 “ key, and then check the color temperature is x=0.310 ± 0.03 y=0.330 ± 0.03 Y ≧...
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Page 34: Electrical Parts List
566LM Service Manual 12. ELECTRICAL PARTS LIST When you place a parts order, be sure to indicate the following data on the order: Location No. Parts No. Description LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK MAIN P.C.BOARD C101 2336347601... - Page 35 566LM Service Manual LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK C165 2346410496 CAP,CHIP 85'C 1608Y5V 0.100UF C166 2341133096 CAP,CHIP 125'C 1608COG 33.000PF C167 2341133096 CAP,CHIP 125'C 1608COG 33.000PF C168 2336310701 CAP,MINI ELE105'C CE04W 100.000UF 16V C169 2346410496 CAP,CHIP 85'C 1608Y5V 0.100UF...
- Page 36 566LM Service Manual LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK C230 2341133096 CAP,CHIP 125'C 1608COG 33.000PF C231 2341133096 CAP,CHIP 125'C 1608COG 33.000PF C232 2341133096 CAP,CHIP 125'C 1608COG 33.000PF C233 2341133096 CAP,CHIP 125'C 1608COG 33.000PF C234 2341133096 CAP,CHIP 125'C 1608COG 33.000PF...
- Page 37 566LM Service Manual LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK D110 2364600196 DIODE,SWITCH SMD LL4148 3.5X1.5φ TEMIC GS08 D111 2364300896 DIODE,Schottky(SMD) EP05Q04-TE8L 0.4A/40V D112 2364300896 DIODE,Schottky(SMD) EP05Q04-TE8L 0.4A/40V D113 2364300896 DIODE,Schottky(SMD) EP05Q04-TE8L 0.4A/40V D114 2364300896 DIODE,Schottky(SMD) EP05Q04-TE8L 0.4A/40V D115 2364300896 DIODE,Schottky(SMD) EP05Q04-TE8L 0.4A/40V...
- Page 38 566LM Service Manual LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK L124 2379832096 BEAD,HI-IMPEDANCE 2012MZ 32.00OHM I<300mA L125 2379620196 BEAD,HI-IMPEDANCE 3216MZ 200.00OHM I<300MA L126 2379832096 BEAD,HI-IMPEDANCE 2012MZ 32.00OHM I<300mA L127 2379832096 BEAD,HI-IMPEDANCE 2012MZ 32.00OHM I<300mA L128 2379832096 BEAD,HI-IMPEDANCE 2012MZ 32.00OHM I<300mA...
- Page 39 566LM Service Manual LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK Q107 2360100596 XISTOR,PNP R SMD MMBT3906 FAIRCHILD SOT23 Q108 2361111191 XISTOR,PNP R 2SA1020(Y) TOSHIBA Q109 2360607996 FET,N-CH(SMD) CEA3055L CET SOT-89 Q110 2360300896 XISTOR,NPN R SMD MMBT3904 FAIRCHILD SOT23 Q111...
- Page 40 566LM Service Manual LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK R162 2253247296 RES,CHIP 1/10W RC 1/10W 4.70K T1608 R164 2253247296 RES,CHIP 1/10W RC 1/10W 4.70K T1608 R165 2253247296 RES,CHIP 1/10W RC 1/10W 4.70K T1608 R167 2253247296 RES,CHIP 1/10W RC 1/10W 4.70K...
- Page 41 566LM Service Manual LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK R300 2253247296 RES,CHIP 1/10W RC 1/10W 4.70K T1608 R301 2253222296 RES,CHIP 1/10W RC 1/10W 2.20K T1608 R302 2253247296 RES,CHIP 1/10W RC 1/10W 4.70K T1608 U001 2202508801 PCB MULTILAYER S13 MAIN FR4*4 136.5*142 2.03...
- Page 42 KOREA WALL 1.83M BLACK (KOREA) P951 2427130047 POWER CORD E WALL 1.8M BLACK (EUROPE) P951 2427130105 POWER CORD RUSSIA WALL 1.83M BLACK (RUSSIA) P961 2427501144 I/O CABLE 566LM D15M/C6&7 1.83M BLACK P962 2427700016 CORD RCA STEREO 2547#28 1.83M BLACK -41- 5/20/2002...
- Page 43 566LM Service Manual LOC NO. SOURCE PART NO. DESCRIPTION SPECIFICATION REMARK P980 2420309001 FFC CABLE 90L*25.5W 0.05T 0.3W*0.5P*50N P981 2420309001 FFC CABLE 90L*25.5W 0.05T 0.3W*0.5P*50N P982 2427412654 WIRE HARNESS PHR-8P*2 1061#26 180L P983 2427412582 WIRE HARNESS JST PHR-5P*2 2464#24*6C 260L...
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Page 44: Svc Bom
566LM Service Manual 13. SVC BOM LG Part No. JEAN Part No. Desc. JEAN Part No. Desc. Q’TY 3911TKK396A 6201-566LM Main Board Ass’y 6201-7956281302 Main Board 3911TKK396B 6202-566LM Control Board Ass’y 6202-7956341301 Control Board 3911TKK396C 6204-566LM Power Board Ass’y 6204-7956341301...