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MEMO

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LGE Internal Use Only

Copyright©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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Содержание 42PG6000

Страница 1: ... SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PD81A MODEL 42PG6000 42PG6000 ZA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Страница 2: ... Electronics Inc All right reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 TROUBLE SHOOTING 11 BLOCK DIAGRAM 20 EXPLODED VIEW 30 SVC SHEET PRINTED CIRCUIT DIAGRAM ...

Страница 3: ... s Neck Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks etc If the exposed meta...

Страница 4: ...her specification Safety CB specification EMC CISPR 13 specification V General Specification 42 XGA Display Screen Device Aspect Ratio PDP Module Operating Environment Storage Environment Input Voltage 1 2 3 4 5 6 No Item Specification Remark 42 Wide Color Display Module 16 9 PDP42G1 RGB Closed Well Type Glass Filter 38 Pixel Format 1365horiz By 768 vertical 1 Temp 0 40deg 2 Humidity 20 80 3 Temp ...

Страница 5: ...mark Finland France Germany Greece Hungary Italy Luxembourg Netherlands Norway Poland Portugal Rumania Russia Serbia Slovenia Spain Sweden Switzerland UK 1 PAL SECAM BG 2 PAL SECAM DK 3 PAL I II 4 SECAM L L 5 DVB T Analog Upper Heterodyne Digital COFDM PAL SECAM PAL SECAM NTSC PAL SECAM NTSC Y Cb Cr Y Pb Pr RGB PC HDMI PC HDMI DTV RGB DVI Audio Component AV SPDIF OUT For SVC S W Download X Studio ...

Страница 6: ...y sick the PCB ASSEMBLY 2 Using power on button of the control R C power on TV 3 S W download process is executed automatically 4 Auto control adjustment process V All adjustment process is executed one time through RS 232C V Command send ADC Calibration Model name download EDID download V Adjsutment process protocol RS 232C 5 Manual model name download 1 Press ADJ KEY on R C for model name D L 2 ...

Страница 7: ... automatically 5 Press EXIT key on R C 7 2 EDID DATA 1 HDMI1 256bytes 2 RGB 128bytes Detail EDID Options are below ⓐ ⓑ ⓒ ⓓ ⓔ ⓐ Product ID ⓑ Serial No Controlled on production line ⓒ Month Year Controlled on production line ex Monthly 11 0B Year 2007 11 ⓓ Model Name Hex ⓔ Checksum Changeable by total EDID data 8 PCMCIA CARD Checking Method You must adjust DTV29 Channel and insert PCMCIA CARD to soc...

Страница 8: ...CH 10 CA 210 CH 10 Please adjust CA 100 CA 210 by CS 1000 before measuring You should use Channel 10 which is Matrix compensated N Color temperature standards according to CSM and Module N Change target luminance and range of the Auto adjustment W B equipment N White balance adjustment coordinate and color temperature Each PCB assembly must be checked by check JIG set Because power PCB Assembly da...

Страница 9: ...Press ADJ KEY on R C and enter EZ ADJUST Select 2 White Balance and press G VOL Set test pattern on and display inside pattern 5 Control is carried out on three color temperatures COOL MEDIUM WARM Control is carried out thress times Temperature COOL R Cut G Cut B Cut is set to 64 Control R Gain and G Gain Each Gain is limited to 192 Temperature MEDIUM R Cut G Cut B Cut is set to 64 Control R Gain ...

Страница 10: ... connected through a RS 232 cable on Setup Menu If the selected port is not connected a warning message will appear 2 Change the baud rate from a default value to 115200bps on Setup Menu 3 Press the OK button 4 Turn on the TV set and press the Enter key at the same time 5 Douglas prompt will appear 6 Insert swuhz and enter 7 Change the baud rate to 460800bps on Setup Menu 8 Press Alt F T Z S in or...

Страница 11: ...Monitor signal come out Yes 7 Check the VSC Vs ON signal Doesn t the high tension output come out Doesn t the VSC signal Vs ON come out Yes Yes Does high tension output voltage Drop occur When the Y B D Module input connector is removed does output voltage drop occur When the Y Z B D Module input connector is remove does Power Board hightension output voltage Drop occur Yes No No 9 Check the Power...

Страница 12: ... CN1 P11 P12 AC INLET PDP MODULE AC NC AC YH396 03P Vs Vs NC GND GND Va Va GND M5V M5V YH396 10P Vs Vs NC GND GND Va Va GND M5V M5V YH396 10P 1 2 3 4 5 6 7 8 9 10 Wafer P N NO P21 SMW200 22C VSC BOARD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Wafer P N 16V GND 12V GND 5V 5V GND GND 5V_MNT RL_ON M5V_ON 16V GND 12V GND 5V 5V GND GND AC_DET VaVs_ON GND NO ...

Страница 13: ...D 2 Check following A Power cord is plugged with TV set Plug in power cord Yes No Is the AC INLET connected with the power board Connect the AC INLET Yes No Is the Fuse F101 F801 on Power Board normal Replace the Fuses Yes No Is the Power Board with VSC Board though Cable connected Connect the Cable Yes No Measure output voltages 16V 12V 5V on the power board If the measured values is not normal r...

Страница 14: ... Ctrl B D Yes No Yes Is the Y Board normal Is the output voltage normal after remove P209 connector of Y B D Is the Fuse FS201 on Y B D normal In case of open is replace Yes No Yes Yes Replace Z Board Is the Z Board normal Is the output voltage normal after remove P3 connector of Z B D Is the Fuse FS1 on Z B D normal In case of open is replace Yes No Yes Is the X Board normal Is the output voltage...

Страница 15: ...s No YES Yes Reconnect the LVDS cable in P501 No Is the VSC Board normal Operates FLI106X0H IC100 1 Check the Monitor OUT by SCART2 Connect the another TV set 2 Check the LVDS clock R537 R538 on the VSC Borad by Oscilloscope Replace the VSC B D No NO Replace the Power board Is output the normality Low High voltage except stand by 5V NO 4 No Raster 1 Symptom 1 No OSD and image occur at screen 2 It ...

Страница 16: ... in the LVDS cable 2 Isn t the LVDS cable connect well from Ctrl Board to VSC Board Is the VSC Board normal 1 Replace cable 2 LVDS Cable connect well from Ctrl Board to VSC Borad No Yes Yes No Is the Ctrl Board of Module normal 1 Check the LED on the Ctrl Board 2 Check the 5V_ON on the Power Board by the DMM No Replace FLI106X0H IC IC100 Operates FLI106X0H IC100 1 Check the Monitor OUT by SCART2 C...

Страница 17: ... Yes No No Operates the FLI106X0H IC IC100 1 Check the Monitor OUT by SCART2 Connect the another TV SET 2 Check the LVDS clock R537 R538 on the VSC Board by Oscilloscope 3 Check the each Input Source ATV TV_CVBS R302 DTV TU301 Pin23 S AV Mode SIDE_CVBS_IN R1160 Component RGB COMP_Y V HSYNC R1122 R1174 R1180 HMDI SDA SCL IC201 Pin29 Pin30 SCART SC1 2_CVBS_IN R977 R521 on the VSC Board by Oscillosco...

Страница 18: ...DMI mode 7 In the case of becomes unusual display from SCART mode Is R G B input and H V Sync of the JK701 703 normal 1 Check the RGB signal H V SYNC in the RGB Cable Yes Check the input source of Equipment Same as Block A No Is Video input of A V jack normal Yes Check the input source Same as Block A No No Is the HDMI IC201 normal Yes Same as Block A Is the TMDS waveform between the IC and HDMI j...

Страница 19: ...k the IIC communication SDA SCL R645 R643 3 Check the Audio Signal is normal SPK_L R L603 L604 L606 L610 Replace the Audio AMP IC IC601 No No YES Replace the VSC Board Is the speaker On it menu 1 Menu Audio TV Speaker ON OFF Set on speaker in menu TV Speaker OFF ON No Is the speaker Cable normal 1 Isn t damage in the Speaker Cable 2 Is the Speaker cable connect well form VSC B D to Speaker Change ...

Страница 20: ...C907 HDMI4 RGB L R Tuner TDFV G135D1 TU301 TMDS 0 7 74LVC541A PW Buffer IC402 PCMCIA Card 74LVC542A5 Bi Buffer IC405 DATA 0 7 74LCX244MTC Buffer IC406 407 408 Address 0 14 TMDS 0 7 CVBS SIF AM Audio Tuner V out NLASB3157 IC502 LVDS TMDS ODD 10 bit Host Address 1 16 Host Data 0 15 LPF DDR2 Data 0 15 DDR2 SDRAM 64MByte Qimonda IC701 DDR2 Data 16 31 DDR2 Address 0 12 I2C MICOM WT61P8 IC802 I2C MAX323...

Страница 21: ...V MNTs witc hC trl LevelAd j Sc art2L ink VXO_VS Sc art2L R LevelAd j AUD_OUT1_L R TRB UF GPIOA5 MUTE_LINE_DTV DTV MNTL R LPF LPF LevelAd j LevelAd j SV2P B4P AUD_IN_R4 AUD_IN_L4 VXO_D11 SIDEC VBSL ink VXO_D1 FLI10306 MICOM TUNER TRN et MSP4458 MSP4458 SIF AMA UDIO I2S Muxed Aud io Muxed Aud io AUD_OUT1_L R TR Ad j 1 Audio R out TV 2 audio R in 3 audio L out TV 4 audio GND 5 blue GND 6 audio L in ...

Страница 22: ...HDMI2 I2C EDID AT24C02BN HDMI 3 TMDS 8bit DDC HDMI3 I2C EDID AT24C02BN HDMI SW TMDS 8bit HDMI I2C SW HDMI EQ Ctrl VXO_D6 GPIOA0 GPIOA1 HDMI Select 1 HDMI Select 2 CEC_REMOTE GPIOB1 2WIRE_S1 2WIRE_S0 DSDA1 DSCL1 HDMI SW TMDS 8bit DDC HDMI4 I2C EDID AT24C02BN 2WIRE_S2 BRX ARX VXO_D20 VXO_D21 HDMI1 5V DET HDMI3 5V DET HDMI4 5V DET VXO_CLK HP DET S W4 VXI_D23 HP DET S W1 HP DET S W3 HDMI_B_HPD HDMI_A_...

Страница 23: ...ATA Dir Select CI Detect POD_DETECT_N CI Detect TS_IN 0 7 74LCX244MTC Buffer IC406 HOST Address 0 3 POD Address 4 7 CI Address 0 7 74LCX244MTC Buffer IC407 HOST Address 10 13 POD Address 8 9 14 HOST Address 4 74LCX244MTC Buffer IC408 REG CI Detect CI Detect CI Address 8 14 CI Detect POD_OE_HOST_RD HOST Out Enable CI Out Enable HOST Write Enable CI Write Enable HOST Address 6 CI IORD HOST Address 5...

Страница 24: ...PC L R AUD_IN_L R 1 Ch 3 AUD_IN_L R 1 Ch 4 AUD_IN_L R 1 Ch 5 Audio Master CLK LR Ch Data AUD_MCLK0 AUDO_I2SA_BCLK AUDO_I2SA_WCLK AUDO_I2SA_DAT0 AUD_OUT1 L R AUDO_SPDIR_OUT Tuner TDFV G135D1 TU301 AM AUDIO TR BUF MUTE_LINE_DTV TR BUF TR BUF SCART 1 SCART 2 TV LR OUT DTV MNT LR OUT 16V FAULT AUDIO_MUTE VXO_D5 RESET I2C 3 3V TPY 10W 10W MAX 15W 15W TPS2042BDRG4 Power Distributer IC901 5V USB DP DM 5V...

Страница 25: ...r training and service purposes BlockDiagram Reset KIA7029AF Power On Reset IC803 MICOM Reset NRST S29GL256N10TFI020 NOR Flash IC404 RESET EJTAG RESET EJ_RST_N SYS RESET RESET_N Tic S W NTP3000 SW_RESET VXO_D5 PCMCIA CI_RST POD_RESET TUNER FE_RESET VXI_D14 FLI10306 MICOM GPIOE6 MSP 4458 ...

Страница 26: ... X4 0x72 MICOM 0x50 NTP3000 0x54 TUNER Digital R 0x1E W 0x1F Master I2C 1 TUNER Analog R 0x87 W 0x86 MVRAM 24LC512 W 0xA6 R 0xA7 SDA1_5V SCL1_5V Master I2C 0 Slave I2C 0 Slave I2C 2 Slave I2C 1 EDID AT24C02BN EDID AT24C02BN EDID AT24C02BN EDID AT24C02BN TMDS 351PAG IC202 FLI10306 EDID AT24C02BN DSDA1 DSCL1 MICOM EDID AT24C02BN MSP4458 Digital R 0x81 W 0x80 ...

Страница 27: ...8R05F IC1011 5V TUNER KIA78R05F IC1007 CI_EN 5V CI NTP3000A 16V KIA78R33F 1A IC1012 3 3V_ON 3 3V TUNER 3 3V CI AZ1117H 1 8TRE IC1004 1 8V AZ1117H 3 3 IC1003 3 3V_STBY FET Power S W Q1003 5V RL_ON PWR_ON OFF Tuner CI_module Tuner HDMI S W CI buffer Flash Memory NTP3000A Chaplin AUD_VREFP Tuner NTP3000A RS 232 Driver Sub Micom HDMI S W OPTIC Jack NVRAM USB MSP4458 MSP4458 ...

Страница 28: ...s Inc All right reserved Only for training and service purposes Power Voltage BlockDiagram 5V KIA78R33F 1A IC1001 3 3V_ON 3 3V DOUGLAS PQ018EZ02ZPH 0 23 IC1000 1 8V_DOUGLAS_DDR 1 8V_DOUGLAS_EN SC4519STRT 600Khz 3A 0 41 IC1002 1 26V_DOUGLAS 1 26V_DOUGLAS_EN ...

Страница 29: ...MEMO 29 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 30: ... mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of manufacturer IMPORTA...

Страница 31: ...3 DDR2_DM 2 DDR2_DM 3 CPL_DDR2_D 0 CPL_DDR2_D 1 CPL_DDR2_D 2 CPL_DDR2_D 3 CPL_DDR2_D 4 CPL_DDR2_D 5 CPL_DDR2_D 6 CPL_DDR2_D 7 CPL_DDR2_D 8 CPL_DDR2_D 9 CPL_DDR2_D 10 CPL_DDR2_D 11 CPL_DDR2_D 12 CPL_DDR2_D 13 CPL_DDR2_D 14 CPL_DDR2_D 15 CPL_DDR2_D 16 CPL_DDR2_D 17 CPL_DDR2_D 18 CPL_DDR2_D 19 CPL_DDR2_D 20 CPL_DDR2_D 21 CPL_DDR2_D 22 CPL_DDR2_D 23 CPL_DDR2_D 24 CPL_DDR2_D 25 CPL_DDR2_D 26 CPL_DDR2_D...

Страница 32: ...6 V C41 9 GND 5V_CI 0 R40 4 10 K R43 7 READY 10 K R40 8 10 K R41 5 READ Y 10 K R40 9 READ Y 10 K R41 6 READ Y 10 K R41 0 10 K R41 7 10 K R41 1 10 K R41 8 READ Y 10 K R40 5 READ Y 10 K R41 2 READ Y 10 K R41 9 READ Y 10 K R40 6 READ Y 10 K R41 3 10 K R42 0 10 K R40 7 10 K R41 4 47 R47 7 HOST_READ Y 100 R44 7 47 R43 5 100 R44 6 5 V 5 V 5 V 0 1uF 16 V C42 0 HOST_D 0 7 10 K R47 0 74LCX244MT C IC407 COM...

Страница 33: ... PRO TECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 5V_HDMI_1 DDC_SCL_ 2 0 READY R21 8 0 R21 7 READY P_ 5 V AT24C02BN 10SU 1 8 IC204 3 A2 2 A1 4 GND 1 A0 5 SD A 6 S CL 7 WP 8 VCC 33 K R22 2 CEC_ 0 P_ 5 V CEC_REMOT E HDMI3_5V_DE T 0 1uF C21 6 33 K ...

Страница 34: ...Aug 2008 Printed in Korea P NO MFL41181004 ...

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