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PLASMA TV

SERVICE MANUAL

CAUTION

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

CHASSIS : PD12C

MODEL : 50PZ950S

50PZ950S-ZA

MODEL :

50PZ950G

50PZ950G-ZA

North/Latin America

http://aic.lgservice.com

Europe/Africa

http://eic.lgservice.com

Asia/Oceania

http://biz.lgservice.com

Internal Use Only

Printed in Korea

P/NO : MFL67083603(1103-REV00)

Содержание 60PZ570T

Страница 1: ...TY PRECAUTIONS IN THIS MANUAL CHASSIS PD12C MODEL 50PZ950S 50PZ950S ZA MODEL 50PZ950G 50PZ950G ZA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL67083603 1103 REV00 ...

Страница 2: ...right 2011 LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 BLOCK DIAGRAM 11 EXPLODED VIEW 12 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ...t 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 met...

Страница 4: ...Z950S ZA 50PZ950G ZA Albania Austria Belgium Bosnia Bulgaria Coratia Czech Denmark Estonia Finland France Germany Greece Hungary Ireland Italy Kazakhstan Latvia Lithuania Luxembourg Morocco Netherlands Norway Poland Portugal Romania Russia Serbia Slovakia Slovenia Spain Sweden Switzerland Turkey Ukraine UK LG Model Name Market Place Brand Model Name 50PZ950S ZA 50PZ950G ZA Remark Safety IEC EN6006...

Страница 5: ...nalog Upper Heterodyne G DVB T Digital COFDM Guard Interval Bitrate_Mbit s Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 G DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM G DVB S symbolrate DVB S2 8PSK QPSK 2 45Msymbol s DVB S QPSK 2 45Msymbol s viterbi ...

Страница 6: ...o check panel Caution If you turn on a still screen more than 20 minutes Especially digital pattern cross hatch pattern an after image may be occur in the black level part of the screen 3 PCB assembly adjustment method Caution Using power on button of the control R C power on TV 3 1 Download MAC Address CI Key and widevine Key Connect TV SET and PC which download keys Writing program by RS232C Cab...

Страница 7: ...ownload is executed automatically 5 Press EXIT key on R C Caution Never connect HDMI D sub Cable when the user download EDID 7 LGE Internal Use Only Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes Model Name PZ950S G PZ750S G PZ570S G Tool Option 1 50 INCH 32777 32793 32809 60 INCH 32781 32797 32813 Tool Option 2 50 INCH 65 130 195 60 INCH 65 130 195 To...

Страница 8: ...the serial number at the Diagnostics of SET UP menu Refer to below 6 SET INFORMATION 4 3 Adjustment of White Balance Required Equipment O Remote controller for adjustment O Color Analyzer CS 1000 CA 100 100 CA 210 or same produc CH 10 PDP Please adjust CA 210 CA 100 by CS 1000 before measuring O Auto W B adjustment instrument only for Auto adjustment O 9 Pin D Sub Jack RS232C is connected to the A...

Страница 9: ...eration 1 Press the EYE Key on the adjustment remote controller 2 Check the Sensor DATA It must be under 10 and keep the data longer than 1 5s 3 Check OK Sensor DATA 0 4095 Power Saving Mode 0 12 IF you press IN STAP Button change Green Eye check OSD 4 7 Ping TEST This test is to check Network operation 1 Equipment Setting 1 Play the LAN Port Test PROGRAM 2 Input IP set up for an inspection to Tes...

Страница 10: ... picture The picture must be same as below Don t have to wear 3D glasses 4 10 Check RF Emitter Required Equipment Pattern Generator 3D GT002 MSHG 600 MSPG 6100 SUPPORT HDMI1 4 MODE HDMI mode NO 872 Pattern No 83 1 On 3D Mode Check the picture like below 2 If RF Emitter is correctly working you can see that the lamp of RF tester turns on 5 Set Information Serial No Model name 5 1 Check the serial n...

Страница 12: ...s 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 LV1 A12 A2 A23 ...

Страница 13: ... AA2 RDB GPIO H3 TDB GPIO H2 BSC_S_SCL H4 BSC_S_SDA H5 NMIB F25 POWER_CTRL W5 AON_HSYNC U5 AON_VSYNC U4 AON_GPIO_36 W3 AON_GPIO_37 W1 AON_RESETOUTB AB6 TVM_BYPASS Y6 RESETB Y3 RESETOUTB G24 TMODE J6 TESTEN W6 VDAC_VREG F7 VDAC_RBIAS E7 FAD_7 AB1 FAD_6 AB3 FAD_5 AC1 FAD_4 AC2 FAD_3 AC3 FAD_2 AD2 FAD_1 AD3 FAD_0 AE2 FALE AG1 FCEB_0 AF1 FCEB_1 AC5 FCEB_2 AE6 FCEB_3 AG5 NFWPB AF3 FWE AG2 FRD AE3 FRDYB...

Страница 14: ...IO_0 W14 PCI_VIO_1 W15 PCI_VIO_2 W13 GPIO_4 J5 GPIO_5 R5 GPIO_6 V6 GPIO_7 H6 GPIO_70 AE15 GPIO_71 AF15 GPIO_72 AG15 GPIO_73 AF16 GPIO_74 AD16 GPIO_75 AE16 GPIO_76 AG17 GPIO_77 AH17 GPIO_78 AE17 GPIO_79 AD17 PCI_AD05 AB13 PCI_AD06 AC15 PCI_AD07 AB12 PCI_AD08 AB11 PCI_AD09 GPIO AE14 PCI_AD10 GPIO AG13 PCI_AD11 GPIO AH13 PCI_AD12 GPIO AF13 PCI_AD13 GPIO AE13 PCI_AD14 GPIO AD12 PCI_AD15 GPIO AF12 PCI_...

Страница 15: ...24 AADC_INCM1 A24 AADC_LINE_L2 E22 AADC_LINE_R2 E23 AADC_INCM2 D23 AADC_LINE_L3 C24 AADC_LINE_R3 C23 AADC_INCM3 B23 AADC_LINE_L4 E21 AADC_LINE_R4 D21 AADC_INCM4 D22 AADC_LINE_L5 B22 AADC_LINE_R5 C22 AADC_INCM5 A22 AADC_LINE_L6 F21 AADC_LINE_R6 D20 AADC_INCM6 E20 AADC_LINE_L7 A21 AADC_LINE_R7 C21 AADC_INCM7 B21 I2SSCK_OUTA GPIO AF8 I2SWS_OUTA GPIO AF9 I2SSD_OUTA0 GPIO AG9 I2SSOSCK_OUTA GPIO AC9 I2S...

Страница 16: ...KE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 V...

Страница 17: ...4231D 3 EN 2 VIN 4 SS 1 BOOT 5 VSENSE 6 COMP 7 GND 8 PH D500 40V SMAB34 C581 10uF 16V C577 10uF 16V C521 10uF 6 3V C520 10uF 6 3V OPT R500 10K 1 R503 2K 1 R546 330K C595 0 01uF C594 0 1uF 50V R545 0 OPT L518 R527 22 5V_TU C596 3300pF 50V OPT R547 0 5 R522 10K R530 0 C509 22uF 10V R524 150 1 5V_ST R502 10K C505 0 47uF 25V C513 0 1uF 16V C507 10uF 10V 1 5V_DDR 3 3V_ST POWER_ON OFF_2 Q501 2SC3052 E B...

Страница 18: ...K10 TXD0 23 AVREF 24 AVSS 25 ANI7 P27 26 ANI6 P26 27 ANI5 P25 28 ANI4 P24 29 ANI3 P23 30 ANI2 P22 31 ANI1 P21 32 P20 ANI0 33 P130 34 P01 TI010 TO00 35 P00 TI000 36 P140 PCL INTP6 37 P120 INTP0 EXLVI 38 P41 39 P40 40 RESET 41 P124 XT2 EXCLKS 42 P123 XT1 43 FLMD0 44 P122 X2 EXCLK OCD0B 45 P121 X1 OCD0A 46 REGC 47 VSS 48 VDD C603 0 1uF SCL2_3 3V KEY2 C609 1uF R617 22 WRLS_DET 3 3V_ST GND WRLS_PWR_EN ...

Страница 19: ... 5 6V CDS3C05HDMI1 HDMI_4 D724 5 6V CDS3C05HDMI1 HDMI_4 R767 63 4 HDMI_ARC C736 0 1uF GND SDA3_3 3V D0 _HDMI3 C707 1uF D1 _HDMI2 C704 10uF 10V D0 _HDMI2 CK _HDMI2 D0 _HDMI4 C715 1uF HDMI_RX2 CK _HDMI1 SCL3_3 3V C711 1uF 10V DDC_SDA_4 HDMI_RX0 C708 0 1uF 16V 3 3V_HDMI D2 _HDMI4 C702 10uF 10V DDC_SCL_2 C703 1uF C721 1uF D1 _HDMI1 D1 _HDMI2 HDMI_RX1 R726 10 5V_HDMI_3 5V_MULTI C706 0 1uF 16V C710 1uF ...

Страница 20: ...P R850 10 R838 2 7K R848 2 7K R822 22 R823 22 R859 2 7K C834 100pF 50V R819 2 7K R821 2 7K P801 SPG09 DB 010 1 RED 2 GREEN 3 BLUE 4 GND_1 5 DDC_GND 6 RED_GND 7 GREEN_GND 8 BLUE_GND 9 NC 10 SYNC_GND 11 GND_2 12 DDC_DATA 13 H_SYNC 14 V_SYNC 15 DDC_CLOCK 16 SHILED JK800 PPJ235 01 4A YL O SPRING 5A YL E LUG 3A YL CONTACT 4B WH O SPRING 3C RD CONTACT 4C RD O SPRING 5C RD E LUG JK801 PEJ027 01 6B T_TERM...

Страница 21: ... EU R918 5 6K EU C911 33pF EU R921 33K EU R911 2K EU R920 33K EU R915 5 6K EU R926 10K EU R925 10K EU P_17V C910 33pF EU R910 2K EU R916 5 6K EU R917 5 6K EU R961 47K OPT R962 47K OPT R963 47K OPT R964 47K OPT SC_RE2 R960 10K OPT Q903 2SC3052 OPT E B C Q904 2SC3052 OPT E B C P_17V R966 12K OPT R958 1K OPT Q902 2SC3052 OPT E B C R959 1K OPT R957 10K OPT R965 3K OPT R956 10K OPT SC_RE1 REC_8 JK901 P...

Страница 22: ...C 24V 20V 17V _4 1 VCC 24V 20V 17V _1 17 GND_4 9 GND_1 8 INTERRUPT 3 VCC 24V 20V 17V _3 16 UART_TX 7 DETECT 6 VCC 24V 20V 17V _6 15 UART_RX 20 GND_6 21 SHIELD R1004 10K WIRELESS WRLS_PWR_EN C1001 2 2uF WIRELESS 50V L1000 BLM18PG121SN1D WIRELESS P_17V WRLS_SDA WRLS_SDA WRLS_SCL SDA2_3 3V SCL2_3 3V R1014 33 WIRELESS R1015 33 WIRELESS D1001 5 6V CDS3C05HDMI1 WIRELESS D1002 5 6V CDS3C05HDMI1 WIRELESS ...

Страница 23: ..._TX REMOTE_SW_CTRL IC1102 HEF4053B 3 Y1C 2 Y0B 4 ZC 1 Y1B 6 E 5 Y0C 7 VEE 8 VSS 9 SC 10 SB 11 SA 12 Y0A 13 Y1A 14 ZA 15 ZB 16 VDD MOD_RX MOD_TX TE4N TD4P TE4P TD4N TCLK4N TCLK4P TC4N TB4N TA4N TA4P TC4P TB4P TD3N TE3N TD3P TE3P TCLK3N TCLK3P TA3P TA3N TC3P TC3N TB3P TB3N TD2P TE2P TD2N TE2N TCLK2N TCLK2P TB2N TA2N TA2P TC2P TB2P TC2N TD1P TE1P TE1N TD1N TC1P TB1P TB1N TC1N TA1P TA1N TCLK1N TCLK1P ...

Страница 24: ...7K L1201 120 ohm 3 3V_Normal R1208 100 M_REMOTE_TX DC_MREMOTE R1216 2 7K M_RFModule_RESET M_REMOTE_RX DD_MREMOTE R1213 100 R1211 100 R1217 2 7K R1209 100 R1212 100 3D_SYNC_RF 3 3V_Normal R1224 22 R1222 22 R1223 22 3D_GPIO_2 3D_GPIO_1 3D_GPIO_0 P1201 12507WS 12L 1 2 3 4 5 6 7 8 9 10 11 12 13 12 19 EAX63525101 M_REMOCON TI solution M_REMOTE OPTION Motion Remote controller ALL M_REMOTE OPTION Copyrig...

Страница 25: ... C1310 1uF 25V R1312 0 OPT C1301 4700pF 50V C1309 0 1uF 50V SCL3_3 3V C1316 330pF 50V R1310 2K C1306 0 1uF 50V AUD_LRCK AUD_MASTER_CLK R1304 2K C1305 0 1uF 50V C1323 1000pF 50V 17V_AMP 3 3V_AMP 3 3V_AMP 3 3V_AMP 3 3V_AMP R1303 2 2 R1320 33K OPT R1313 2K L1302 10 0uH L1303 10 0uH L1300 10 0uH L1301 10 0uH P1300 SMAW250 H04R WAFER ANGLE 1 2 3 4 IC1300 STA368BWG 26 GND_PLL 27 XTI 28 BICKI 29 LRCKI 30...

Страница 26: ...A 13 4OE 14 VCC PCM_5V_CTL R1447 22 CI PCM_MDI 0 7 R1408 22 OPT R1462 22 CI PCM_WAIT R1421 22 CI CI_DATA 0 7 P1400 10067972 000LF CI G1 G2 57 TS_OUT_CLK 21 ADDR12 52 VPP 16 IRQA 10 ADDR11 47 TS_IN0 41 TS_OUT7 5 DAT6 36 CI_DET1 59 CI_WAIT 23 ADDR6 45 IOWR 54 TS_IN5 18 VPP 49 TS_IN2 43 VS1 13 ADDR13 7 CARD_EN1 38 TS_OUT4 2 DAT3 25 ADDR4 56 TS_IN7 20 TS_IN_CLK 51 VCC 15 WR_EN 9 O_EN 46 TS_IN_SYN 40 T...

Страница 27: ...M R1564 0 F NIM C1568 220uF 6 3V S C1514 220uF 6 3V C1530 220uF 6 3V C1572 10uF 6 3V S C1562 10uF 6 3V NON_S TU1502 TDTJ S001D H_NIM 14 3 3V 13 1 2V 5 AS 12 GND 11 VIDEO 2 BST_CNTL 10 NC 4 NC RF_AGC 1 ANT_PWR OPT 17 DIF_1 9 SIF 8 NC IF_TP 3 B 16 IF_AGC_CNTL 7 SDA 6 SCL 15 RESET 18 DIF_2 19 SHIELD R1567 0 H_NIM IF_P_MAIN R1566 0 H_NIM IF_N_MAIN IF_AGC_MAIN R1568 0 H_NIM 1 25V_TU C1527 220uF 6 3V S ...

Страница 28: ...617 0 1uF 50V S C1613 4 7uF 50V S POWER_ON OFF_2 R1610 120K 1 S R1612 1 6K 1 S P_17V C1621 15pF 50V S 12V_LNB C1615 0 1uF 50V OPT R1607 16K S R1608 3 6K S C1616 0 01uF 25V S C1619 10uF 16V S C1620 10uF 16V S IC1601 TPS54231D S 3 EN 2 VIN 4 SS 1 BOOT 5 VSENSE 6 COMP 7 GND 8 PH C1604 68uF 35V S C1623 68uF 35V S C1610 10uF 25V S D1604 40V SMAB34 S L1601 22 0uH S EAP61606601 R1613 0 S R1609 51K S IC16...

Страница 29: ..._TDO Q1701 KRC103S OPT E B C SERIAL_WP R1759 4 7K R1757 3 3K TP1702 TP1704 SERIAL_WP IC1702 AZ7029RTRE1 2 GND 3 OUT 1 VCC 3D_SYNC_RF IC1701 W25X20BVSNIG 3DF_SFLASH 3 WP 2 DO 4 GND 1 CS 5 DIO 6 CLK 7 HOLD 8 VCC R1762 4 7K OPT R1761 4 7K OPT L R_INDICATOR R1763 22 R1716 22 R1764 0 OPT C1702 27pF 50V C1701 27pF 50V R1766 0 OPT R1765 0 OPT IC1700 LG8300 TE4P B2 TE4N B1 TD4P B3 TD4N C3 TCLK4P C1 TCLK4N...

Страница 30: ...8 L7 VDD10_19 L8 VDD10_20 L9 VDD10_21 L10 VDD10_22 L11 VDD10_23 L12 VDD10_24 L13 VDD10_25 M6 VDD10_26 M13 LTX_VDD10_1 H5 LTX_VDD10_2 J5 LTX_VDD10_3 K5 LTX_VDD10_4 L5 LTX_VDD10_5 M5 VDD33_1 E5 VDD33_2 E6 VDD33_3 E7 VDD33_4 E8 VDD33_5 E9 VDD33_6 E10 VDD33_7 E11 VDD33_8 E12 VDD33_9 E13 VDD33_10 E14 VDD33_11 E15 VDD33_12 F15 VDD33_13 G15 LRX_AVDD33_1 L16 LRX_AVDD33_2 N16 LTX_AVDD33_1 E4 LTX_AVDD33_2 G...

Страница 31: ...05 22 1 16W C_DDR2_CKE C_DDR_A 11 DDR_A 10 DDR_A 4 C_DDR_A 7 DDR_A 7 DDR_A 0 DDR_A 6 C_DDR_A 1 C_DDR_A 0 C_DDR_CAS AR1909 22 1 16W C_DDR_WE DDR_A 8 AR1907 22 1 16W DDR_CAS DDR_A 9 DDR_A 12 DDR_BA 0 DDR_A 5 DDR2_CKE C_DDR_A 10 C_DDR_A 12 C_DDR_A 6 C_DDR_A 9 C_DDR_A 3 DDR_A 3 DDR2_CLK DDR_CAS DDR_BA 1 C1902 470pF 50V SDDR_DQ 15 0 DDR_VREF_DDR C1901 0 1uF 16V DDR2_CLK R1901 100 DDR_DQS1P DDR_RAS DDR2...

Страница 32: ......

Страница 33: ...PDP TV Repair Guide Applicable Model PD12A B C ...

Страница 34: ...oise dark picture 3 4 Picture broken Freezing 4 5 Vertical bar Horizontal Bar 5 6 B Power Problem No Power Not turn on 6 7 Turn off Instant under watching 7 8 C Sound Problem No sound Sound distortion 8 9 E General function Problem Remote control Local Key checking 9 First of all Check whether there is SVC Bulletin in GCSC System for these model ...

Страница 35: ...trol Board Check B 5V Y 1 Check Control Board LED on Crystal X2 3 3V 5V Rom update 2 Replace Control B D A3 A5 A6 SVC R C Pattern Check Sound Sound OK Y Close Y Move No Picture No sound Section A2 Check LVDS Cable Replace Main B D Normal N Y N Move Power problem Section Normal Normal Move Power problem Section N A4 A8 A11 A12 A13 First of all Check whether all of cable between board was inserted p...

Страница 36: ...tion Close Y Check LVDS Cable Picture OK Y N 2 Y Normal Sound N Check Speaker ON Off setting in OSD Menu Close Y Normal Sound N Close Check Speaker jack connection Speaker Cable open Y Normal voltage N Check 17V Audio IC B on Power B D Check Power B D Replace Power B D Check Audio IC Short Replace Main B D SVC Bulletin Apply SVC Bulletin S W Upgrade etc N Normal Sound N Y Close Y Check Video A6 20...

Страница 37: ...e Check Picture problem Type Check voltage VY VSC Y Sus B D A5 Normal Picture Replace Y Sus B D Normal Picture Y N 1 Check Control B D 2 Replace Board Normal Picture A13 Check Y Drive B D Replace B D Y Close N Dark Picture Normal Picture Y Replace Module N Close 1 Check Z Sus Board 2 Replace Board A9 Check Picture mode setting Picture Noise Normal Picture Y N Close Y N Check RF Cable Connection Ch...

Страница 38: ...ooster By using Digital signal level meter By using Diagnostics menu on OSD Menu SUPPORT Signal TEST Signal strength Normal over 50 Signal Quality Normal over 50 Normal Picture Y N Normal Picture Y Close N N Check S W Version Booster menu On Off Check Off On Check S W Upgrade SVC Bulletin Check Tuner replace Main B D Normal Picture Y N Y Close Normal Picture Y Close N A6 1 2 Normal Picture N Conta...

Страница 39: ...oesn t cause N Y Close 1 Connector re connection 2 Eliminate foreign material on Connector N A13 CTRL B D Control board Check connection of Connector COF TCP on CTRL B D X B D Check connection of Connector FFC on Y Drive B D A20 A20 1 Connector re connection 2 Eliminate foreign material on FFC 1 Check Y Drive B D 2 Replace Board A16 Normal Picture N Y Close Replace Module 1 Check CTRL B D 2 Replac...

Страница 40: ...control Normal Close Y N Y Repair Replace IR B D N Check Power cord was inserted properly N Normal Close Y Check ST BY 5V on Power Board Normal Voltage A22 N Normal Signal Y Check Power B D Replace Power B D Check AC DET Signal on Power B D A22 Check RL_ON Signal on Power B D N Normal Signal Y Check Main B D Replace Main B D Check the other pin s Output voltage on Power B D Normal Close Y N Replac...

Страница 41: ...Check Power B D Replace Power B D A23 1 Check Y Sus Z Sus Board especially Short or Open 2 Replace defective B D A8 A11 To check Power B D Protection Check Power Off History RCU Off 7 Turn off Under watching Off Timer Set A24 Off timer Function off KEY Off 2HOUR Off NO Signal Off Y N Don t appear Power Off History Move No Power problem Section This is not problem Normal operation 2010 12 24 ...

Страница 42: ...l Sound N Y Close Y 2 Sound distortion sound drop Check Input signal Cable connection Cable open RF external HDMI SCART Normal Sound Y Close Check AVL off on Clear voiceⅡ off on Y Normal Sound N Close N Problem in all input Problem in only DTV Problem in external input SCART HDMI Check whether Problem happen in same output of other equipments or not By connecting same output cable of other equipme...

Страница 43: ... room Check Replace Battery of R C Check Repair Cable connection Connector solder Normal operating Check B 5V On Main B D A26 Normal Voltage Close N N Check 5v on Power B D Replace Power B D or Replace Main B D Power B D don t have problem A12 Check IR Output signal Normal Signal N Y Repair Replace IR B D N A26 Replace Main B D Y Y N Check R C Operation Normal operating Y Check Repair Cable connec...

Страница 44: ... 50H3 VY VSC Y Sus VZB Z Sus A5 6 Fuse Checking Method A7 7 Y Sus Board Checking Method 50H3 A8 8 Z Sus Board Checking Method 50H3 A9 11 Check 5V 12V on Power B D A12 12 Control Board Checking Method 50H3 A13 13 Mal discharge Symptom Picture A14 14 PDP Module Rom Ver Checking method A15 15 Y Drive B D Checking method A16 16 Half picture X B D Checking method 50H3 A18 Next page Continued PDP TV Rep...

Страница 45: ...d A21 20 Power Problem Check voltage on Power board A22 21 Power board Checking Method A23 22 Check Power off History A24 23 Sound Problem Speaker cable checking method A25 24 General Function Problem Check Remote control IR operation A26 25 Check Local Key operation A27 26 Check Local switch assembly status A28 PDP TV Repair Process Reference data Index ...

Страница 46: ...ticking 3 Mal discharge 4 Module defect V Line Bar H Line Bar 5 In case of no picture you can judge defect cause Module or Main B D If patterns appear defect cause is Main B D Tilt Key Making 전자 6 2 Revision PDP TV Symptom A Picture Problem Check Module pattern by Tilt key Repair Process Reference data Item A1 A1 2010 12 24 ...

Страница 47: ...roblem Audio check method A2 Jack for Speaker connection 1 Check Audio output by using oscilloscope GND R or R or L or L Audio output waveform 2 Check whether speaker jack was inserted properly or not Repair Process Reference data A2 2010 12 24 ...

Страница 48: ... N Check SCL SDA R1314 R1316 Delete R1314 1416 and check IIC Line SCL SDA3 N Y Check IC1300 Status PDN 23 Reset 31 is High Check Reset R1309 PDN R1311 They must be High 3 3V Y N Check IC700 Power 17V L1306 3 3V L1307 Check 17V P500 1 2 3 3V IC505 Y N Y Check BCM I2S Output R1305 1306 1307 1308 Replace BCM IC101 N Replace AMP IC1300 Y Repair Process Reference data 2010 12 24 A2 1 ...

Страница 49: ...shooting Check EDID Download Re download EDID data Digital TV Check video output Follow procedure All source audio trouble shooting Follow procedure digital TV video trouble shooting Y N HDMI Y N Check video output Follow procedure HDMI video trouble shooting Y N Repair Process Reference data A2 2 2010 12 24 ...

Страница 50: ...urce audio trouble shooting Y Follow procedure analog TV video trouble shooting N Replace BCM IC IC100 Check 3 for 5V 13 for 1 25V 14 for 3 3V on TU1500 Check IC506 for 5V IC503 for 1 25V L504 for 3 3V output Voltage N Y Check SIF signal C1501 Replace TU601 N Y Check SIF signal C319 Check SIF line N Y Y Repair Process Reference data A2 3 2010 12 24 ...

Страница 51: ... R1025 P801 RGB R903 R902 JK800 Side AV R935 R936 Replace the Resistor Check IC101 signal JK1000 Component C311 C312 JK1001 SCART C314 C315 JK702 RGB C305 C306 JK900 Side AV C308 C309 Replace the Resistor Follow procedure All source audio trouble shooting Making Revision PDP TV Input Block Component AV RGB Audio Problem Y Y Y N N N Repair Process Reference data A2 4 2010 12 24 ...

Страница 52: ... the input signal Making Revision PDP TV Input Block Optical Audio Problem N Check Signal JK902 3 Check SPDIF signal R851 Replace BCM IC101 Check 3 3V 2 on JK1003 Y N Check IC505 Output Y A2 5 Repair Process Reference data 2010 12 24 ...

Страница 53: ...Adjustment VR502 Check Va Vs Check Va Adjust Va Voltage Refer to the Module label for Va specification Check Vs Adjust Vs Voltage Refer to the Module label for Vs specification Repair Process Reference data A3 A3 Control Board Power Board Y Sus Board Z Sus Board PDP Module Label Main Board 2010 12 24 ...

Страница 54: ...bel Information A4 A4 Vy Vsc Vzb Model Name Bar Code Code 128 Contains the manugacture No Manugacture No Adjusting Voltage DC Va Vs Adjusting Voltage Set up Vy Vsc Ve Vzb The trade name of LG Electronics Manufactured date Year Month Warning UL Approval Mark UL Approval No Model Name Max Watt Max Volts Max Amps 2010 12 24 ...

Страница 55: ...e 50R3 Repair Process Reference data A5 A5 Voltage Check Adjustment 50R3 Module Label YSUS board Vy adjustment Fuses Vsc adjustment VY VSC VZB 1 Vsc 150V on Y Sus B D Check Point R324 Adjustment Point VR301 2 Vy 190V on Y Sus B D Check Point R334 Adjustment Point VR302 2010 12 24 ...

Страница 56: ...ure Problem Check Adjust VY VSC VZB voltage 50R1 Repair Process Reference data A5 A5 ZSUS board Vzb adjustment Voltage Check Adjustment 50R3 Module Label VY VSC VZB 3 VZB 115V on Z Sus B D Check Point R156 Adjustment Point VR204 2010 12 24 ...

Страница 57: ...6 Output 3 3V IC505 Output 2 5V IC507 Output 1 25V IC503 Output Y N Check Video color Check Monitor Out Video Scart out Check other input OSD Check IIC Line Check SCL SDA1 Line N Maybe Tuner has problems Replace Tuner N Y Check TP Clock Data Sync Replace Tuner N Y N Y Check Module N Y Change BCM IC101 ⓐ Y Go to ⓐ A6 1 Repair Process Reference data A6 2010 12 24 ...

Страница 58: ... Revision PDP TV Input Block Analog TV Video Problem Check RF Cable Check CVBS signal TU1500 11 Pin Replace Tuner TU1500 Y N Check IC506 Output Voltage Y N Y Replace BCM IC101 Check 5V voltage on TU1500 Pin3 A6 2 Repair Process Reference data A6 2010 12 24 ...

Страница 59: ... Check input signal format Is it supported Check signal on L800 801 802 Y Check the damage of JK800 And Replace Connector N Y Replace BCM IC101 Y Check Component Cable Measured signals depend on the input signal A6 3 Repair Process Reference data A6 2010 12 24 ...

Страница 60: ...ck signal Hsync Vsync R812 R813 Check IC801 Input Output Check signal C320 C322 C327 Y N Check P801 Replace connector P801 Y N Y Replace C320 C322 C327 N Replace BCM IC101 Y Check RGB Cable conductors for damage Y Measured signals depend on the input signal A6 4 Repair Process Reference data A6 2010 12 24 ...

Страница 61: ...K800 Video R850 JK900 Video L900 901 902 RGB R919 CVBS Replace L900 901 902 RGB R919 CVBS Check AV port of JK800 Side JK900 Rear Replace connector N Replace BCM IC101 Check AV Cable for damage or open conductors Measured signals depend on the input signal Y Y Y Y N A6 5 Repair Process Reference data A6 2010 12 24 ...

Страница 62: ...ted Check EDID D L Re Download EDID Check HDMI Cable for damage or open conductors Check 56 63 on IC701 HDMI Switch Output Replace Connector Replace IC701 Replace BCM IC101 Y Y Y Y Y N N Check JK701 702 703 704 for proper connection or damage N A6 6 Repair Process Reference data A6 2010 12 24 ...

Страница 63: ...ess Reference data A7 1 Sound comes the fuse is OK 2 If Fuse is defects it should check again voltage of 5V Va Va after replacing the fuse 3 In case there are no voltage of 5V Va Vs the board is failure it need to replace the board Pic 2 Pic 1 DMM mode A7 Pic 1 Fuse check 2010 12 24 ...

Страница 64: ...ck voltage of diode FET by using digital multi meter Measurement method 0 4V 0 5V Q610 Q612 0 45V 0 55V Q608 Q609 0 45V 0 55V Q601 Q602 0 35V 0 45V Q603 Q605 D604 D605 HS602 0 35V 0 45V Forward O L Overload Reverse D602 HS603 0 35V 0 45V Forward O L Overload Reverse Position Direction Circuit No HS601 D610 Q606 Q607 Forward 0 35V 0 45V 0 45V 0 55V Reverse O L Overload Specifications Diode FET HS60...

Страница 65: ...r Check all of fuses open FS202 Check voltage of diode FET by using digital multi meter Measuring Method Specifications 0 45V 0 55V Q102 Q103 0 5V 0 6V 0 35V 0 45V Q106 Q109 Position Direction Circuit No HS101 D114 D118 Q107 Q110 Forward 0 35V 0 45V 0 35V 0 45V Reverse O L Overload HS102 D109 D110 D108 D111 Q104 Q113 Q114 Forward 0 35V 0 45V Reverse O L Overload Diode FET ZSUS board FS202 5V fuse ...

Страница 66: ...s Board Z Sus Board PDP Module Label Main Board Making Revision PDP TV Symptom A Picture Problem Check 5V 12V on Power B D Repair Process Reference data A12 Measure 5V voltage P813 P811 P813 Measure 17V voltage A12 17 02 2010 12 24 ...

Страница 67: ...ontrol board Check LED is on If LED doesn t work check crystal X1 output Check 3 3V 5V IC Check MCM at VS_DA by using digital multi meter Check Crystal X1 Check Input voltage Check IC IC53 IC51 Check oscillation of Crystal Normal 25 MHZ MCM Check point VS_DA GND Normal 3 3V Check MCM 3 3V Pin 14 15 18V IC51 IC53 P2 18V Pin14 15 5V 3 3V GND P105_FL1 FL2 5V Check LED On 2010 12 24 ...

Страница 68: ...vision PDP TV Symptom A Picture Problem Mal discharge Symptom Repair Process Reference data Dark picture caused by Mal discharge A14 Dot type Mal discharge symptom Scan type Mal discharge symptom A14 2010 12 24 ...

Страница 69: ... Rom Ver Checking method Repair Process Reference data A15 A15 Rom ver Label Check by using SVC Remote controller Press In start Press 0413 Select Panel Control Check Module Rom ver Refer to the Module Rom upgrade manual for Rom upgrade USB Type Jig 2010 12 24 ...

Страница 70: ...V Symptom A Picture Problem Y Drive B D Checking method 50R3 Repair Process Reference data A16 Y drive board Check all output pins of scan IC connector using DMM Input signal connector Scan IC DMM Digital Multi Meter 2010 12 24 ...

Страница 71: ...wer connector of the X board Check cables between CTRL board and X board Replace the X B D Check TCP connection after X B D replacement Connections between panel and X B D Right display Picture 1 Check replace right X B D Both ends display Picture 2 Check replace center X B D Left display Picture 3 Check replace left X B D Picture 1 Picture 2 Picture 3 Half display abnormal Partly display abnormal...

Страница 72: ...L B D Vertical lines or Bar 1 Check connection CTRL B D X B D 2 Check CTRL B D 3 Replace CTRL B D Many irregular vertical lines 1 Check connection CTRL B D X B D 2 Check CTRL B D 3 Replace CTRL B D Horizontal Line or Bar 1 Check connection Y Sus B D Panel 2 Check Y Sus B D 3 Replace Y Sus B D First of all Check whether all of cable between board was inserted properly or not Next Check whether ther...

Страница 73: ...Put COF Type 1 Check foreign Connection status 2 Check bad soldering on Chip resistance Defect symptom 192 Out Put TCP Type TCP Tape Carrier Package is film for IC connect with Electrode pattern Direct Bonding on X B D FFC Type Connector to connect between Electrode PAD Of PANEL and Y Drive B D Z Sus B D A20 2010 12 24 ...

Страница 74: ...l level Checking method Repair Process Reference data MENU Æ SUPPORT Æ Signal TEST 1 Check whether Signal Strength Signal Quality is over 50 or not 2 If Signal Strength Signal Quality is under 50 install the Booster to increase signal level A21 A21 2010 12 24 ...

Страница 75: ...ce data Check voltage on Power board A22 B Power Problem Checking Order Checking Order Pin Map Power B D Main B D No Checking Point Spec Remark 1 STBY 5V 2 5V 5V 3 17V 17V 4 AC DET High 3 3V 5V 5 RL_ON High 3 3V 5V 6 M_ON High 3 3V 5V A22 P813 2010 12 24 ...

Страница 76: ...omponent or not by eye CONDENSER FET IC Resistor Check FUSE Check 5V Va Vs voltage PSU Maker 1 LGIT 2 LITEON 3 YUYANG If happen Power board Protection check whether there is Short or Open on Y SUS Z SUS B D or not Checking Method Va Voltage ADJ value value Adjust way Check 5V Va Vs voltage For Voltage specification refer to the PDP Module Label Vs Voltage ADJ Adjust Va Vs voltage A23 Power B D Y S...

Страница 77: ...r Press In start Press 0000 Select Power Off History Pop up Module Rom ver LAST HISTORY 1 5 Appear Power off history 5ea 1 is the latest history RCU OFF Power off by Remote control KEY OFF Mechanical power switch off 2HOUR OFF After turn on by OnTimer There is no operation for 2hours NO SIGNAL OFF In case that there is no signal for 15minutes A24 2010 12 24 ...

Страница 78: ...nection 1 Check whether speaker jack was inserted properly on Main B D side speaker side or not 2 Check whether speaker cable have problem disconnection wire or not A25 Making Revision PDP TV Symptom Repair Process Reference data Speaker cable checking method C Sound Problem A25 2010 12 24 ...

Страница 79: ...heck 3 3V ST Voltage at Pin10 3 Check whether appear voltage on multi meter when operate remote control Test Condition for case 3 Check Point Pin 1 IR TV power on status Multi meter Select DC 10V Checking method Check Remote control IR operation IR KEY Board for XXPZ7 90XX IR Board A26 A26 LED_Power_On TOUCH_Ver_CHECK BLUE_LED_ON IR GND KEY1 KEY2 LED RED GND SCL SDA 3 3V_ST 3 3V_Normal 5V_MULTI 3 ...

Страница 80: ...ocal switch Test Condition for case 3 Check Point Pin 3 4 Key1 Key2 TV power on status Multi meter Select DC 10V A27 CH CH Vol Vol OK HOME Input D General function defect Check Local Key operation Symptom A27 2010 12 24 Control Board Power Board Y Sus Board Z Sus Board Main Board IR Board LED_Power_On TOUCH_Ver_CHECK BLUE_LED_ON IR GND KEY1 KEY2 LED RED GND SCL SDA 3 3V_ST 3 3V_Normal 5V_MULTI 3 3...

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