manualshive.com logo in svg

Panasonic Viera TH-42LRG20E, Service Manual

Share
Download
Panasonic Viera TH-42LRG20E Service Manual Download Page 25

Block (2/2) Diagram  

MAIN IN

 

P1

Li

ne

 

Fi

lte

r

 

 

LF800

~ 

~ 

+ 

- 

D808

F800

Li

ne

 

Fi

lte

r

 

 

LF801

RL801

RL800

 1

 2

IC800

7

2

~ 

~ 

+ 

- 

D816

 4

 6

PC804

IC802

 5,2

7,8

 4

IC803

RELA

Y5V6

5V8

PC801

PC803

IC801

PC802

PC805

12V

HOT

COLD

IC804

P2

P4

24V_INV

GND

T803

T802

TV_MAIN_ON

17V

4

1

2

16

18

Q860

 7

 10

D834

 4

D830

 18

 10

 16,17

 12,13

 15

 1

1

T801

 1

P3

24V_INV

GND

11 1,2 4,5

10

7

TV_SUB_ON

9

15

14

13

12

11

12

13

14

A_DIM

INV_ON

INV_PWM

INV_SOS

A_DIM

INV_ON

INV_PWM

INV_SOS

HOT

COLD

1,2,3

4,5

6,7,8

9,10

1,2,3

4,5

6,7,8

9,10

TO A09

TO INVERTER

TO INVERTER

 P-BOARD

25

Summary of Contents for Viera TH-42LRG20E

Page 1: ...put M NTSC AV only NTSC AV only LRG20E PAL I H B G D K SECAM B G D K L L PAL 525 60 AV only DVB T Digital Terrestrial Services MPEG2 and MPEG4 AVC H 264 DVB C Digital Cable Services MPEG2 and MPEG4 AV...

Page 2: ...D_SUB 15PIN R G B 700mV p p 75 HD VD TTL Level 2 5V p p high impedance DIGITAL AUDIO OUT LRG20B LRG20E PCM Dolby Digital Fiber optic PCM Dolby Digital DTS Fiber optic AUDIO OUT Audio RCAx2 500mV rms 1...

Page 3: ...RIPTION 10 SETTING INSPECTION 11 SELF CHECK 12 POWER LED BLINKING TIMING CHART 13 SERVICE MODE FUNCTION 14 SERVICE 15 SERVICE TOOL MODE 16 HOTEL MODE 17 DATA COPY BY SD CARD 18 DATA COPY FROM TV SET T...

Page 4: ...allic part and measure the voltage at each point 5 Reserve the AC plug in the AC outlet and repeat each of the above measure 6 The potential at any point TOUCH CURRENT expressed as voltage U1 and U2 d...

Page 5: ...can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replaceme...

Page 6: ...a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend...

Page 7: ...16 832 624 49 73 74 55 Macintosh 21 1 152 870 68 68 75 06 Applicable input signal for PC is basically compatible to HDMI standard timing Signal name Horizontal frequency kHz Vertical frequency Hz 640...

Page 8: ...to remove the backcover Lay the main unit face down see Fig 5 Remove the 4 fixing screws and the pedestal assembly see Fig 6 Remove the 16 fixing screws see Fig 7 Fig 6 8 Fig 7 SCREWS SCREWS SCREWS F...

Page 9: ...Function AV Terminal HDMI Digital Audio Out TV tuner SD Card DVB T C Dem sLD AV Switch EEPROM Flash Memory Speaker out Hotel RS232 Hotel IR P Board Power Supply Main Input V Board Remote Receiver Cat...

Page 10: ...ure of models Replacement of ICs When sLD IC IC8001 is replaced EEPROM IC8950 should be also replaced with new one the same time When EEPROM IC8950 is replaced sLD IC IC8001 is not necessary to be rep...

Page 11: ...8 A board Description Test point Voltage SUB1 8V TP5601 1 76V 1 87V SUB1 2V TP5600 1 18V 1 29V SUB3 3V TP5602 3 19V 3 39V SUB5V TP5200 4 9V 5 1V SUB9V TP5220 8 82V 9 27V STB5V TP5400 4 9V 5 1V P board...

Page 12: ...950 EEPROM sLD A Board If the CCU ports have been checked and found to be incorrect or not located then will appear in place of O K 12 SUM MODEL ID EDID C860 07 03326100 00000020 51 1909 TUN O K STBY...

Page 13: ...o the stand by mode At this time the defective block can be identified by number of blinking of the Power LED on the front panel of the unit Blinking times Blinking timing Contents Check point 1 BL_SO...

Page 14: ...n this chassis The following setting and adjustment can be adjusted by remote control in Service Menu How to enter SERVICE While pressing v button on TV unit press on the remote control for 3 times wi...

Page 15: ...OPTION DYNAMIC Emergency 1 2 MAIN SELECT 3 4 SUB SELECT 9 PICTURE MENU SELECT VOL ADJUST ON OPTION DYNAMIC Y C Delay 1 2 MAIN SELECT 3 4 SUB SELECT 9 PICTURE MENU SELECT VOL ADJUST OK WRITE OPTION DY...

Page 16: ...ill be cleared by Self check indication and forced to factory shipment setting Power ON Time On Off Note To display TIME COUNT menu highlight position then press MUTE for 3sec Time Cumulative power on...

Page 17: ...al VOL Level Adjust the volume when each time power is switched on Selection Range Off 0 to 100 Off give priority to the last memory Maximum VOL Level Adjust maximum volume Range 0 to 100 Button Lock...

Page 18: ...cument A new file is created by default New Text Document txt 3 Right click the new text document that you just created and select rename and then change the name and extension of the file to the foll...

Page 19: ...r the completion of copying to SD card remove SD card from TV set 5 Turn off the TV set Note Following new folder will be created in SD card for data from TV set a For Board replacement user_setup b F...

Page 20: ...will be deleted after copying Limited one copy b For Hotel Data will not be deleted and can be used for other TVs 5 Turn off the TV set Note 1 Depending on the failure of boards function of Data for...

Page 21: ...2 On 1 Off 0 b4 NICAM scan On 1 Off 0 b5 NICAM BG enable 5 5 On 1 Off 0 b6 NICAM I enable 6 0 On 1 Off 0 b7 NICAM DK enable 6 5 On 1 Off 0 OPTION3 b0 NICAM priority On 1 Off 0 b1 Starhub scan enable O...

Page 22: ...ter of Contrast will change from red to black White Balance adjustment 1 Procedure basically performs checking using the production software and make automatic adjustment using external computer 2 It...

Page 23: ...9 A15A A02 JK3251 JK3303 JK3301B AV2 HP YPBPR AUDIO IN OUT VIDEO IN JK8401 CI SLOT HDMI 1 JK4701 JK4700 HDMI 2 V10 P2 JK8850 SD CARD CN0100 SERVICE TU2901A TUNER D3300 OPT Wiring Diagram P3 P4 P1 MAIN...

Page 24: ...4 REG 4 5 Vin Vo SUB5V SUB5V IC5200 REG 8 1 Vcc Vo IC2952 REG 4 5 Vin Vo TNR5V STB_SUB_5 8V IC8400 CI TS ASIC C1AB00003193 SUB3 3V SUB5V IC5000 ANALOG ASIC ANA34042A VF 5 8VS SUB_F12V_15V SUB9V PWM9V...

Page 25: ...IC801 PC802 PC805 12V HOT COLD IC804 P2 P4 24V_INV GND T803 T802 TV_MAIN_ON 17V 4 1 2 16 18 Q860 7 10 D834 4 D830 18 10 16 17 12 13 15 11 T801 1 P3 24V_INV GND 11 1 2 4 5 10 7 TV_SUB_ON 9 15 14 13 12...

Page 26: ...Parts Location 26 CONTINENTAL NOTE The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List 26 32 9 27 30 10 6 7 8 UK 4...

Page 27: ...7 NOTE The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List 14 5 23 14 28 1 19 3 14 11 12 25 2 18 21 20 13 29 18 17 17 15 16 22 14 24 31 only B model...

Page 28: ...25 TTP0E0107 BACK COVER ASSY 26 TTU0E0683 1 CABINET ASSY 27 TTY0E0653 METAL CHASSIS FRAME 28 TUA0E7800 MISCELLANEOUS COMPONENTS BATTERY R6DB 2P SIDE AV LABEL TBM0E9052 SCREW THEJ024 SCREW THTD020J IR...

Page 29: ...ZENER DIODE D5002 DZ2J033M0L DIODE D5050 B0ACCJ000048 DIODE D5200 B0ACCJ000048 DIODE D5400 B0ACCJ000048 DIODE D5401 B0ACCJ000048 DIODE D5420 B0BC01700015 DIODE D5421 B0ACCJ000048 DIODE D5422 B0BC010A...

Page 30: ...JHC0000045 COIL BLM18PG121SN1D L8401 J0JHC0000045 COIL BLM18PG121SN1D L8850 J0JHC0000045 COIL BLM18PG121SN1D L8860 J0JHC0000045 COIL BLM21PG600SN1D L8920 J0JHC0000075 FILTERS FILTER FL4800 EXC28CE201U...

Page 31: ...R0947 ERJ2GEJ220X 063W 5 22 SMD R0948 D0GA472JA015 063W 5 4K7 SMD R0949 D0GA472JA015 063W 5 4K7 SMD R0957 ERJ2GEJ102X 063W 5 1K SMD R0958 ERJ2GEJ220X 063W 5 22 SMD R0959 ERJ2GEJ220X 063W 5 22 SMD R096...

Page 32: ...3127 D0GA680JA015 063W 5 68 SMD R3129 ERJ2GEJ104X 063W 5 100K SMD R3137 ERJ6ENF75R0 125W 1 75 SMD R3141 ERJ8ENF75R0 0 25W 1 75 SMD R3142 ERJ8ENF75R0 0 25W 1 75 SMD R3143 ERJ8ENF75R0 0 25W 1 75 SMD R31...

Page 33: ...871 D0GAR00Z0001 063W 0 SMD R4913 ERJ2GEJ102X 063W 5 1K SMD R4975 D0GAR00Z0001 063W 0 SMD R4993 ERJ2GEJ102X 063W 5 1K SMD R4994 ERJ2GEJ102X 063W 5 1K SMD R4999 D0GAR00Z0001 063W 0 SMD R5000 D0GAR00Z00...

Page 34: ...A680JA015 063W 5 68 SMD R8410 D0GA680JA015 063W 5 68 SMD R8411 D0GA680JA015 063W 5 68 SMD R8412 D0GA680JA015 063W 5 68 SMD R8413 D0GA680JA015 063W 5 68 SMD R8414 EXB28V151JX 031W 5 150 CHIP RES R8415...

Page 35: ...015 063W 5 68 SMD R8872 D0GA330JA015 063W 5 33 SMD R8873 D0GA330JA015 063W 5 33 SMD R8874 D0GA330JA015 063W 5 33 SMD R8875 D0GA330JA015 063W 5 33 SMD R8876 D0GA330JA015 063W 5 33 SMD R8877 D0GA330JA01...

Page 36: ...G1H102A730 50V 1nF S M CAP C2753 F1G1H102A730 50V 1nF S M CAP C2754 F1G1H102A730 50V 1nF S M CAP C2755 F1G1H102A730 50V 1nF S M CAP C2756 F1G1H102A730 50V 1nF S M CAP C2757 F1G1H102A730 50V 1nF S M CA...

Page 37: ...nF S M CAP C5628 F1K1E106A136 25V 10 F S M CAP C5632 F1J1A475A087 10V 4 7 F S M CAP C5634 F1H1C104A143 16V 100nF S M CAP C5635 F1H1C105A145 16V 1000nF S M CAP C5641 F1K0J226A008 6 3V 22 F S M CAP C564...

Page 38: ...F1G1H100A731 50V 10pF S M CAP C8305 F1G1H100A731 50V 10pF S M CAP C8306 F1G1C104A116 16V 100nF S M CAP C8308 F1G1C104A116 16V 100nF S M CAP C8309 F1G1C104A116 16V 100nF S M CAP C8310 F1G1C104A116 16V...

Page 39: ...SCELLANEOUS COMPONENTS REAR AV LABEL TBM0E9071 INSTRUCTION BOOKS ENGLISH TQB0E0991 I C s EEPROM SLD IC8950 X24C42LRG20B DIFFERENCES FOR MODEL TH 42LRG20E EXPLODED VIEW A P C B 29 A 42LRG20E AC CORD 30...

Page 40: ...change without notice REMARKS a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical...

Page 41: ...2 R0901 68 R0900 68 R0948 4 7k R0910 10k R0972 22 R0913 10k R0944 68 R0941 68 R0978 22 R0940 68 R0973 22 R0967 4 7k R0903 68 R0981 4 7k R0984 4 7k R0980 4 7k R0949 4 7k R0942 68 R0946 22 R0982 22 R097...

Page 42: ...VDD3 IC8001 T33 VDD3 IC8001 T34 VDD3 IC8001 U1 RX2P2 IC8001 U2 RX2M2 IC8001 U11 TMODE0 IC8001 U12 VSS IC8001 U13 VSS IC8001 U14 VSS IC8001 U15 VSS IC8001 U16 VSS IC8001 U17 VDD12 IC8001 U18 VDD12 IC8...

Page 43: ...VSSAPUSB IC8001 AC13 USBRREF IC8001 AC4 XERE IC8001 AC2 ESZ0 IC8001 AC1 XECS1 IC8001 AB34 TMS IC8001 AB33 TDI IC8001 AB32 MMODT IC8001 AB31 MMCKE IC8001 AB24 VDDIO IC8001 AB23 VDDIO IC8001 AB19 VDDA...

Page 44: ...5VOUT 14 ED5VIO7 15 ED5VIO6 16 ED5VIO5 17 VDD5V1 18 ED5VIO4 19 ED5VIO3 20 CI_RESET_5VOUT 21 NREG5VOUT 22 ED5VIO2 23 ED5VIO1 24 ED5VIO0 25 EA5VOUT1 26 EA5VOUT2 27 EA5VOUT3 28 EA5VOUT4 29 EA5VOUT5 30 EA...

Page 45: ...C C C C C C C C C C SUB3 3V SUB_CI_5V SUB3 3V SUB_SD_3 3V SUB3 3V SUB3 3V SUB3 3V SUB_SD_3 3V SUB_CI_5V SUB3 3V VJ8858 VJ8864 R8952 VJ8850 TP8853 TP8863 TP8855 TP8860 TP8858 TP8854 TP8857 TP8850 TP886...

Page 46: ...STB3 3V STB3 3V SUB3 3V STB3 3V STB3 3V R1155 R1177 R1113 R1158 TP1100 TP1101 FACT_SDBOOT WP_GENX_CN STB_RST SG SOUND_SOS EA10 SG AI_SENSOR STMHPD2 STMRMIN STMGPIO2 STMADIN5 STMGPIO3 STMADIN4 SG KEY1...

Page 47: ...C C C C C C C C C C C C C C C C C C C C SUB3 3V STB5V STB5V SUB3 3V STB5V VJ4700 VJ4707 VJ4701 VJ4500 VJ4708 VJ4703 VJ4704 VJ4706 TP4700 RX2P0 RX2M2 RGB_CVBS STMHPD1 RX2P2 RX1M1 VIN RX1P2 MAIN_PR MAI...

Page 48: ...29 BOOT_CH2_N 30 OUT_CH2_N 31 OUT_CH2_N 32 PGND2 33 PGND2 34 PGND1 35 PGND1 36 OUT_CH1_N 37 OUT_CH1_N 38 BOOT_CH1_N 39 VDDA1 40 BOOT_CH1_P 41 OUT_CH1_P 42 OUT_CH1_P 43 PVD1 A12 K1KA04AA0190 1 2 3 4 L2...

Page 49: ...B__TERMINAL HP_LOUT E_AV2_FB 16P _TERMINAL PC_VD_TERMINAL E_YPBPR_Y A_AV1C_Y__TERMINAL PC_B_TERMINAL E_AV2_BLUE _7PIN _TERMINAL A_AV1_V__TERMINAL PC_G_TERMINAL PC_B_TERMINAL E_YPBPR_PB A_AV1C_PB__TERM...

Page 50: ...B5V SUB9V R3160 JS3104 R3000 AVSW_R063PIN_R3IN IPOD_L AVSW_R037PIN_SAGCVBSOUT4 AVSW_R071PIN_R7IN AVSW_R093PIN_PBIN1 LO2_L AVSW_R001PIN_GIN AVSW_R019PIN_G1 YIN1 LO2_R AVSW_R099PIN_BIN LO1_L AVSW_R092PI...

Page 51: ...J0JHC0000045 L2905 J0JHC0000046 L2901 J0JCC0000278 L2900 J0JCC0000278 C C C C C C C C C C C C C FE1 2V TNR5V SUB3 3V TNR5V FE1 2V ACT5V SUB3 3V STB_SUB_5 8V R2918 R2916 IFAGC AA_FE_RST LCD_TV_SUB_ON...

Page 52: ...TD2P_CN TA1P TCLK1P TCLK2P TE2P_CN TC2N TA2P TE1P LOSDOUT5 TD2N_CN TC1P_CN TA1N_CN TD1N TB1P TB1P_CN TA1P_CN TC2N_CN TCLK1N_CN TD2P_CN TE1P_CN TA1N_CN TCLK2N_CN TB1N_CN TC1N_CN TD1P_CN TCLK2P_CN TE2N...

Page 53: ...TMSBO0 ROHM P4 AMPMUTE ROHM P5 AMONMUTE AP_OVP_DET SOUND_SOS_SENSE NRST ROHM P7 SUB5MUTE SOS_SENSE SDOUT1 ROHM P6 AUDIOMUTE STMGPIO6 RST_PL2_CN ROHM P7 FAST_B STMSBI0 ROHM P1 PEAKSRST SG PD4H_DRVRST P...

Page 54: ...RVL2 15 PGND2 16 TRIP2 17 SS2 18 V5FILT 19 VREG5 20 VIN 21 TRIP1 22 PGND1 23 DRVL1 24 SW1 L5608 J0JHC0000045 L5604 G1C3R3Z00005 L5606 G1C100MA0077 C PGND2 C C AGND2 PGND2 PGND2 C PGND2 AGND2 C PGND2 A...

Page 55: ...E2 1 VO 2 FB 3 GND 4 N C 5 EN 6 N C 7 N C 8 VCC FIN C C C C C C C C C C C C C P17V P17V STB5 8V PNL_5V_12V SUB9V STB_SUB_5 8V SUB_F12V_15V SUB_F12V_15V SUB5V SUB_F12V_15V STB5V MAIN_SND_17V P17V STB_S...

Page 56: ...3V STB_SUB_5 8V STB3 3V STB3 3V STB3 3V SUB5V SUB_F12V_15V STB3 3V 5 8VS VJ2754 VJ2753 VJ2751 VJ2752 VJ2700 TP2798 TP2776 TP0104 TP0106 TP2796 TP2797 TP2789 TP2794 TP0102 TP2814 TP2795 TP2775 TP2774...

Page 57: ...1u C8028 16V 0 1u C8111 16V 0 1u C8126 10u10V C8036 10u 10V C8032 16V 0 1u C8123 16V 0 1u C8071 16V 0 1u C8052 16V 0 1u C8004 16V 0 1u C8091 16V 0 1u C8077 25V 0 01u L8004 J0JHC0000045 L8015 J0JHC000...

Page 58: ...SS2 18 V5FILT 19 VREG5 20 VIN 21 TRIP1 22 PGND1 23 DRVL1 24 SW1 L5602 G1C100MA0077 L5601 G1C3R3Z00004 L5600 G1C2R2Z00006 PGND1 PGND1 PGND1 PGND1 PGND1 PGND1 PGND1 AGND1 C AGND1 AGND1 AGND1 PGND1 SUB_...

Page 59: ...VSS 19 DVDD 20 SCL 21 SDA 22 CVDD 23 VSS 24 TESTMODE 25 A0 26 OSCENBN 27 VSS 28 CVDD 29 RESETN 30 OSCMODE 31 PVSS 32 PVDD 33 XVDD 34 XTALO 35 XTALI 36 XVSS 37 AINM 38 AINP 39 AVSS 40 AVDD 41 RFAIN 42...

Page 60: ...ELF18N010B 1 2 3 4 IC800 C0DBBYY00019 FA5591N D1 TE1 1 FB 2 COMP 3 RT 4 RTZC 5 IS 6 GND 7 OUT 8 VCC P1 K1KA03A00608 1 3 4 L804 EXCELSA35T L801 EXCELSA35V L800 EXCELSA35T T801 ETS26AZ169AD 4 NC 5 NC 1...

Page 61: ...2 6 P1 7 NC 8 NC 9 NC 10 S7 11 S6 12 S5B 13 S5A 14 S4B 15 S4A 16 S3B 17 S3A 18 S1 TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO TRAFFO...

Page 62: ...C1 C1 SN2500 B3JB00000046 TP2502 TP2507 TP2503 TP2501 TP2504 TP2506 TP2500 TP2505 RM2500 B3RAD0000168 1 2 3 Q2501 B1ABCF000231 Q2504 B1ABCF000231 Q2500 B1ABCF000231 R2517 100k 1 R2515 47k R2502 47k R2...

Page 63: ...OARD TNP8EA106 TOP IC S Q4512 4C IC1101 4B Q4513 4B IC2301 1B Q5000 1D IC3350 6B Q5240 1D IC5000 6C Q5600 1D IC5200 1A Q5601 1C IC5220 1A Q5605 1C IC5416 1A Q8400 5C IC8001 3D Q8401 5C IC8402 5C IC892...

Page 64: ...2254 2C IC2952 5A Q2301 3C IC3000 2A Q2750 2A IC5600 1C Q2751 2A IC5601 1C Q2752 1A IC5603 3C Q3102 3B IC5604 3D Q3103 3B IC8300 5B Q3104 2A IC8302 6B Q3105 2A IC8400 6D Q4700 4C IC8401 4D Q4702 4C IC...

Page 65: ...815 4E IC803 2D D816 5D IC804 2D D818 3D D819 5C TRAN S D823 3E Q801 4B D824 4F Q804 3C D825 3F Q805 3D D827 3F D829 1F DIODE S D830 2B D800 5E D834 1D D805 2E D837 5C D806 5C D841 2E D807 4B P BOARD...

Page 66: ...EP103 BOTTOM IC S D803 5C IC800 5C D804 5B D809 2D TRAN S D810 2E Q800 2E D811 3D Q802 2E D812 1F Q803 1F D813 1F Q806 2E D821 3E Q807 2E D822 4E D826 3E DIODE S D835 1E D801 3E D836 1F 1 2 3 4 5 6 A...

Page 67: ...A V BOARD TNP8EV102 TOP 1 2 IC S RM2500 1A TRAN S Q2500 2A Q2501 1A Q2504 1A DIODE S D2500 1A 67...

Reviews:

No comments

Brands by name

Popular brands

Load more brands