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PLASMA TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : PD83A

MODEL : 50PG3000

50PG3000-ZA

North/Latin America

http://aic.lgservice.com

Europe/Africa

http://eic.lgservice.com

Asia/Oceania

http://biz.lgservice.com

Internal Use Only

Содержание 50PG3000

Страница 1: ... SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PD83A MODEL 50PG3000 50PG3000 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 15 BLOCK DIAGRAM 24 EXPLODED VIEW 26 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: ... followed 2 Demanded other specification Safety CB specification EMC CISPR 13 specification V General Specification1 50 Module Display Screen Device Aspect Ratio PDP Module Operating Environment Storage Environment Input Voltage 1 2 3 4 5 6 No Item Specification Remark 50 Wide Color Display Module 16 9 PDP50XG RGB Closed Type Film Filter 1 Temp 0 40deg 2 Humidity 20 80 3 Temp 20 60deg 4 Humidity 1...

Страница 5: ... 7 No Item Specification Remark Austria Belgium Bulgaria Coratia Czech Denmark Finland France Germany Greece Hungary Italy Luxembourg Netherlands Norway Poland Portugal Rumania Russia Serbia Slovenia Spain Sweden Switzerland UK 1 PAL BG 2 PAL DK 3 PAL I I 4 DVB T ID TV 5 SECAM L L Analog Upper Heterodyne Digital COFDM PAL SECAM PAL SECAM NTSC PAL SECAM NTSC Y Cb Cr Y Pb Pr RGB PC HDMI DTV SOUND PC...

Страница 6: ...Map RS 232C Baud 115200bps RS232 Host PC Echo none 4 ADC adjustment 5 Adjustment of RGB 5 1 Auto RGB Gain Offset Adjustment 1 Convert to PC in Input source refer to I2C command at page 10 2 Signal equipment displays Output Voltage 700 mVp p Impress Resolution XGA 1024x768 60Hz Model 60 in pattern Generator Pattern 65 in pattern Generator MSPG 925 Series gray pattern that left right is black and ce...

Страница 7: ...GB C 7 POWER PCB Assy Voltage Adjustments Va Vs Voltage adjustments 7 1 Test Equipment D M M 1EA 7 2 Connection Diagram for Measuring refer to Fig 3 7 3 Adjustment Method 1 Va Adjustment 1 After receiving 100 Full White Pattern HEAT RUN 2 Connect terminal of D M M to Va pin of P811 connect terminal to GND pin of P811 3 After turning VR901 voltage of D M M adjustment as same as Va voltage which on ...

Страница 8: ...5 EDID DATA 1 Analog RGB Detail EDID Options are below 1 2 3 4 5 1 1 Product ID 2 2 Serial No Controlled on production line 3 3 Month Year Controlled on production line ex Monthly 03 03 Year 2006 10 4 4 Model Name model name 5 5 Checksum Changeable by total EDID data 2 HDMI_1 Detail EDID Options are below 1 2 3 4 5 1 1 Product ID 2 2 Serial No Controlled on production line 3 3 Month Year Controlle...

Страница 9: ...CH 10 White balance adjustment coordinate and color temperature 9 3 Manual W B process using adjusts Remote control Please Adjust in AV 1mode 1 Enter PICTURE RESET on Picture Mode then off Fresh Contrast and Fresh colour in Advanced Control 2 After enter Service Mode by pushing ADJ key 3 Enter White Pattern off of service mode and change off on 4 Enter W B ADJUST by pushing G key at 3 W B ADJUST 5...

Страница 10: ...d by Buffer To EEPROM ADL E2PROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data_1 Data_n 13 2 Command Set Description FOS Default write 7mode data write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 Phase Data write Model Name and Serial Number write in EEPROM 13 3 Method Notice 1 Serial number D L is using of scan equipment 2 Setting of scan equipment operated by Manuf...

Страница 11: ...EB 20 30 90 92 16 18 1A 80 82 84 10 12 F1 F2 F3 F4 00 00 00 00 00 00 00 00 00 00 00 cool 01 medium 02 warm 00 cool 01 medium 02 warm 00 cool 01 medium 02 warm 00 00 00 00 00 00 00 00 00 00 00 00 00 data 00 00 64 00 64 00 64 00 64 00 80 00 80 00 80 00 7F 00 7F 00 7F 00 3F 00 64 02 0 1 2 3 00 FF 0 10 20 30 40 60 90 Factory mode on Factory mode off EEPROM All clear EEPROM Read EEPROM Write by some va...

Страница 12: ...nced Control Picture reset Off 0 Standard Off Off Off Off Off Off 1 Off Off New Confirm TV DTV Radio Off DTV ATV 100 50 60 50 0 Color Temp Medium Fresh Con On Fresh col On Noise On Reduction Film 3 2 Off Black level 120Hz 50 200Hz 50 500Hz 50 1 2Khz 50 3Khz 50 7 5Khz 50 12Khz 50 User control Item Condition No Remark Power Volume Level Main Picture Input Main Last Channel Mute ARC SETUP Auto Tuning...

Страница 13: ...ad bin file 1 Prepare a Binary File bin Connect RGB cable and turn on the power 2 Execute ISP Program Click the Icon 3 Click Connect Button and check the below message If display Can t Check connect computer jig and set 13 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 14: ...n on TV 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting 3 Show the message Copying files from memory 4 Updating is staring 5 Updating Completed The TV will restart automatically After turn on TV Please press IN STOP b...

Страница 15: ...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 17: ...ck following Is plug in power cord Plug in power cord Yes No Is the Line Filter and Power Board Cable connected Connect the Cable Yes No Is the Fuse F801 on Power Board normal Replace the Fuse Yes No Is the Power Board and 22P of VSC Board Cable connected Connect the Cable Yes No After the cable connect is removed to Power Board authorized the AC voltage marking on manual When ST BY 5V is not oper...

Страница 18: ...al after remove P161 P162 connector of Ctrl B D Yes No Yes Is the Y Board normal Is the output voltage normal after remove P201 connector of Y B D Is the Fuse FS202 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 after remove P801 connect of Z B D normal Yes No Yes Is the X Board normal Is the output voltage normal after remove ...

Страница 19: ...ormal Is the VAVS on Check the PDP Module Yes No YES Yes Reconnect the LVDS cable in P400 No Is the IC100 LGE7383C Output normal Replace the VSC 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 maintains the condition where the front LED is green 2 Check following ...

Страница 20: ... displayed 1 Symptom 1 LED is green 2 The minute discharged continuously becomes Accomplished from module 2 Check following Is the LVDS cable normal Is the VSC Board normal Is the LVDS cable connected Re insert the Cable inserts Yes No No Yes Does the IC100 Operates LGE7383C Replace IC100 LGE7383C No Is the Ctrl Board of Module normal Replace Ctrl B D No No Yes Replace hte VSC B D Replace the cabl...

Страница 21: ... In the case of becomes unusual display from side S video AV mode 5 In the case of becomes unusual display from Component RGB mode Is the Tuner normal Is the Tuner Cable connected Re insert the Cable Yes No No Is the IC100 LGE7383C normal Replace the Tuner No Is the Input voltage IIC Communication and CVBS output normal Yes Is normal the Input voltage IIC Communication No Block A Replace the IC No...

Страница 22: ... 8 In the case of becomes unusual display from SCART2 mode Is the Video input of the HDMI Jack normal Is the TDMS IC902 normal Yes Yes Same as Block A Check the input source No No Is the Video input od A V Jack JK601 normal Yes Same as Block A Check the input source No Is the Video input od A V Jack J600 normal Yes Same as Block A Check the input source No Is the Input and Output signal IIC Commun...

Страница 23: ...Check following All input mode is no sound Only HDMI is No Sound Yes Download the EDID data Yes No YES Only RF is no sound Check the Tuner IN OUT Check the Sound IN OUT Yes No Only AV component PC input is no sound Yes No IC1000 operates normal Replace the IC1000 NTP3000A No Replace the VSC B D YES Is the speaker On it menu Set on speaker in menu No Is the speaker Cable normal Check the Speaker Ca...

Страница 24: ...HPD_1 2 3 CEC_REMOTE USB_DM DP 5V_HDMI_1 2 3 PCM_ADD PCM_DATA TS_Parallel TU_TS_DATA KIC7SZ32FU IC802 PCM_CD_ON CI_CD_1 2 I2S AC_DET MUTE SW_RESET CLK P401 LED_G R IR Flash Memory 4MB IC303 SC1_CVBS_IN SC2_CVBS_IN SC1_TV_VOUT DTV MNT_V_OUT SC1_L R_IN TV_L R_OUT DTV MNT_L R_OUT PDP Panel RESET TS_Serial EEPROM EEPROM DDC_SCL SDA_1 2 3 RS232C_Tx Rx RS232C_Tx Rx I2C_D_TU MC74H4066 IC1001 PC_COMP_L R_...

Страница 25: ...PVDD Stand by Stand by P_12V 1A KA7809ERTM IC1109 5V_TU MOSFET Q1102 3 3V_VDDP_ST 500Ohm BEAD 1 25V_ST 1 25V_VDDC 1 25V_AVDD_DVI 1 8_TU AZ1117D IC1108 1 8_AMP AZ1117D IC1106 3 3V_AVDD POWER_ON OFF1 KIA7805AF IC1110 5V_GENERAL 5V_CI 500Ohm BEAD AZ1117D IC1107 12V_SC 500Ohm BEAD SB 50 mA 1 4 A D 1 28 A Max 1 5 A 0 59 A Max 0 65 A 0 48 A Max 0 55 A 0 76 A D 0 62 A Max 0 9 A 0 008 A Max 0 0020 0 1 A M...

Страница 26: ...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 IMPORTANT SAFETY NOTICE ...

Страница 27: ...S TOTAL LENGTH 3000 mil 76 2mm DDR1 DDR2 different length range 25 mil max 50 mil 1 mil 0 0254 mm 20 mil 0 508 mm 40 mil 1 016 mm DDR MEMORY EEPROM FLASH MEMORY 8M FLASH 4M FLASH 4M FLASH HDCP EEPROM THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURE...

Страница 28: ...N 007 17X PCM_REG_N 0 0 7 1 4 I PCM_IORD_N 0 0 7 1 8 I PCM_IRQA_N 007 16X PCM_IOWR_N 0 0 7 1 7 I PCM_WAIT_N 0 0 7 1 5 I PCM_CE_N 007 18X PCM_OE_N 007 18X 1 16W 22 AR100 PCM_RESET 0 0 7 1 5 I PCM_CD_N 007 6AB BUF_TS_SYNC 007 19C 007 7I BUF_TS_VAL 007 6I 007 10W BUF_TS_CLK 007 19C 007 5I IR 003 18T BUF_TS_DATA 0 007 19C 007 6I DQS0 0 0 2 1 2 I DQM0 0 0 2 1 2 I DQS3 002 12M DQM3 002 11M DQM2 002 12U ...

Страница 29: ...SPRING USB DOWN STREAM KJA UB 4 0004 JK706 1 2 3 4 5 0 SIDE 0OHM L702 1 0 L703 1 0 L704 1 PSJ018 01 JK707 1 GND_TER 2 C_LUG_S1 3 C_LUG_L1 6 NC1 7 COM1 8 NO1 9 NC2 10 COM2 11 NO2 12 SHIELD 4 C_LUG_S2 5 C_LUG_L2 PPJ209 02 JK701 4A GN CONTACT 2A GN 1P_CAN 3A GN O_SPRING 2B BL 1P_CAN 5B BL C_LUG_L 2C RD 1P_CAN1 5C RD C_LUG_L 2D WH 1P_CAN 5D WH C_LUG_L 2E RD 1P_CAN2 4E RD CONTACT 3E RD O_SPRING KCN DS ...

Страница 30: ...Feb 2008 Printed in Korea P NO MFL42222703 ...

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