background image

Service Manual

Colour LCD Television 

TX-37LZ8F

 

TX-37LZ8P 

 

 

 

GLP23F Chassis 

 
 
 

       Specifications 

 

 Power 

Source:

 

220-240V AC, 50Hz 

 

Power Consumption 

 

162W  

 

 

 

Stand-by Power Consumption: 

0,8W  

 

 

 

Aerial Impedance:

 75

Ω

 unbalanced, Coaxial Type

 

 

 

Receiving System: 

PAL-I/H, B/G, D/K,

 

 

 

SECAM B/G, D/K, L/L’ 

 

 

PAL-525/60 (AV only)

 

  

M.NTSC 

(AV 

only) 

 

 

NTSC (AV input only) 

 

 

 

Receiving Channels: 

VHF E2-E12                        VHF H1-H2 (ITALY) 

 

 

 

VHF A-H (ITALY)                  VHF R1-R2 

 

 

 

VHF R3-R5                         VHF R6-R12 

 

 

 

UHF E21-E69                      CATV (S01-S05) 

 

 

 

CATV S1-S10 (M1-M10)         CATV S11-S20 (U1-U10) 

 

 

 

CATV S21-S41 (Hyperband) 

 
 

Operating Conditions: 

Temperature:    0°C 

÷

 35°C 

 

 

 

Humidity:   20% 

− 

80% RH (non condensing) 

 
 

 

 

Scanning format:

 

  480i(60Hz), 480p(60Hz), 576i(50Hz), 576p(50Hz), 720p(60Hz), 720p(50Hz), 1.080i(60Hz),  

1.080i(50Hz), 1.080p(60Hz), 1.080p(50Hz), 1.080p(24Hz) 
  

 

 

 

PC signals:

 

 

 

 

VGA, WVGA, SVGA, XGA, WXGA (compressed) 
Horizontal scanning frequency 

31 – 69 kHz 

Vertical scanning frequency   

59 – 86 Hz 

 
 

 

 

 

 

 

 
 
 
 
 
 
 
 

ORDER No. PCZ0810189CE 

©   Panasonic  Corporation  2008. 
Unauthorized copying and distribu-  
tion is a violation of law. 

Summary of Contents for TX-37LZ8F

Page 1: ...A H ITALY VHF R1 R2 VHF R3 R5 VHF R6 R12 UHF E21 E69 CATV S01 S05 CATV S1 S10 M1 M10 CATV S11 S20 U1 U10 CATV S21 S41 Hyperband Operating Conditions Temperature 0 C 35 C Humidity 20 80 RH non condensi...

Page 2: ...00mV rms 1k high impedance PC HIGH DENSITY D_SUB 15PIN R G B 700mV p p 75 HD VD TTL Level 2 5V p p high impedance LCD screen L5EDD9T00008 1920 x 1080 XGA 16 9 Visible Diagonal 940mm Audio Output 20W 2...

Page 3: ...PPLICABLE SIGNALS 7 SERVICE HINTS 8 CHASSIS BOARD LAYOUT 9 LOCATION OF LEAD WIRING 9 SETTING INSPECTION 10 SELF CHECK 11 ADJUSTMENT METHOD 12 WIRING DIAGRAM 13 BLOCK DIAGRAMS 14 PARTS LOCATION 17 REPL...

Page 4: ...etallic 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...

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: ...7 640 480 60 Hz 31 47 59 94 640 480 75 Hz 37 50 75 00 800 600 60 Hz 37 88 60 32 800 600 75 Hz 46 88 75 00 800 600 85 Hz 53 67 85 06 852 480 60Hz 31 44 59 89 1 024 768 60Hz 48 36 60 00 1 024 768 70Hz 5...

Page 8: ...he backcover Remove the 14 fixing screws see Fig 5 How to remove the Pedestal assembly Lay the main unit face down see Fig 6 Remove the 4 fixing screws and the pedestal assembly see Fig 7 Fig 6 8 SCRE...

Page 9: ...AV Terminal Audio Video Processor Speaker out TV tuner HDMI HDMI Receiver G Board Side AV Terminal V Board Remote Receiver R G LED C A T S K Board Main Switch P Board Main Input Power Supply Power Sup...

Page 10: ...2 1 06 1 1V MAIN2 5V TP1845 2 83 2 63V MAIN1 8V TP1846 1 728 1 9V MAIN1 25V TP1844 1 245 1 275V MAIN5V TP3826 4 775 5 25V STBY5V TP3813 4 9 5 4V MAIN8V TP3823 7 6 8 4V PANEL12V TP3824 11 97 12 81V CEC...

Page 11: ...DMI2 JK5002 HDMI A Board VCTP IC4001 AUDIO VIDEO PROCESSOR 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 11 TX 37LZ8F Panasonic G...

Page 12: ...up down through the functions Press the YELLOW BLUE buttons to alter the function values to alter White Rasters use buttons Press the OK button after each adjustment has been made to store the require...

Page 13: ...TNP8EVL91 G51 A7A K1 A4 V1 A8 JK3700 AV3 5 KEY BUTTON A10 A1 P2 P1 MAIN IN P BOARD TNP8EPL90 A18 LCD PANEL CN101 A16 P5 JK3004 AV1 JK3005 AV2 JK3001 YUV JK3003 AUDIO IN JK3007A AUDIO OUT A19A PC JK500...

Page 14: ...20 LINE IN1R A26 LINE OUT1R L IN R IN D22 LINE IN4L E22 LINE IN4R L OUT R OUT D18 HEAD OUTL E18 HEAD OUTR J23 VIN19 H26 VIN20 H24 VIN21 PC RED IN PC GREEN IN PC BLUE IN AV4 R AV4 L AV4 V AV4 Y AV4 C H...

Page 15: ...K 8 STBY6V IC3810 for POWER SUPPLY Vin 2 24V sw 3 PANEL12V IC3813 REGULATOR Vin 4 5 6V_SW Vout 3 MAIN5V IC4001 VCT PROCESSOR MAIN3 3V MAIN2 5V MAIN1 25V MAIN1 8V MAIN1V STBY3 3V STBY1V CORE1V IC4002 2...

Page 16: ...CEC_IN AV_LINK_OUT SUB_ON RESETQ INV_OFF PANEL_OFF BUS_REQUEST A1 P2 A4 K1 A7A G51 A8 V1 A10 IC4001 C5ZBZ0000074 VCT8398P C7 HDMI1_HPD AD20 SCL1 AB19 SDA1 AB26 AV1_SLOW AA23 AV2_SLOW Y_DET AA22 KEYSCA...

Page 17: ...Parts Location 17 NOTE The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List 24 9 26 5 CONTINENTAL 14 11 7...

Page 18: ...Parts Location NOTE The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List 10 17 13 21 4 15 2 3 13 23 12 25 19 12 8 16 18 18 20 6 13 1 13 22...

Page 19: ...OMPONENTS BATTERY R6DB 2PP SIDE AV LABEL TBM0E1204 REAR AV LABEL TBM0E1588 REAR HDMI LABEL TBM0E1589 SPRING TES0E105 1 SCREW THTF012J IR LED PANEL TKP0E92001 FELT TMK0E089 FELT TMK0E090 TAB RELEASE CA...

Page 20: ...B0ACCK000012 DIODE D3211 B0ACCK000012 DIODE D3216 B0ACCK000012 DIODE D3217 B0ACCK000012 DIODE D3219 MA2J72900L DIODE D3247 B0ACCK000005 DIODE D3248 B0ACCK000005 DIODE D3249 B0ACCK000005 DIODE D3250 B0...

Page 21: ...66AD COILS COIL JSP809 EXCELDR35V COIL JSP810 EXCELDR35V COIL L801 EXCELSA35T COIL L802 EXCELSA35V CHOKE COIL L804 G0C121KA0186 COIL L806 EXCELDR35V COIL L807 EXCELDR35V COIL L808 EXCELSA35V COIL L851...

Page 22: ...CARB R808 ERJ6GEYJ393 0 1W 5 39K S M CARB R809 ERJ6GEYJ473 0 1W 5 47K S M CARB R810 ERJ6GEYJ221 0 1W 5 220 S M CARB R811 ERJ8GEYJ103 125W 5 10K S M CARB R812 ERJ6GEYJ220 0 1W 5 22 S M CARB R813 ERJ6G...

Page 23: ...RJ6GEY0R00 0 1W 0 SMD R1953 ERJ3GEYJ330 0 1W 5 33 SMD R2000 ERJ3GEYJ471 0 1W 5 470 SMD R2001 D0GB104JA008 063W 5 100K SMD R2002 ERJ3EKF6192V 0 1W 1 61K9 SMD R2003 ERJ3EKF2202V 0 1W 1 22K SMD R2004 ERJ...

Page 24: ...K SMD R3100 D0GB682JA008 063W 5 6K8 SMD R3101 ERJ3GEYJ152 0 1W 5 1K5 SMD R3102 D0GB751JA008 063W 5 750 SMD R3104 D0GB682JA008 063W 5 6K8 SMD R3105 ERJ3GEYJ152 0 1W 5 1K5 SMD R3106 D0GB751JA008 063W 5...

Page 25: ...063W 5 1M SMD R4040 D0GB105JA008 063W 5 1M SMD R4041 D0GB105JA008 063W 5 1M SMD R4042 D0GB105JA008 063W 5 1M SMD R4043 D0GB105JA008 063W 5 1M SMD R4044 D0GB105JA008 063W 5 1M SMD R4045 D0GB105JA008 06...

Page 26: ...3W 5 15 SMD R4405 ERJ2GEJ150X 063W 5 15 SMD R4406 ERJ2GEJ150X 063W 5 15 SMD R4407 ERJ2GEJ150X 063W 5 15 SMD R4408 ERJ2GEJ150X 063W 5 15 SMD R4409 ERJ2GEJ150X 063W 5 15 SMD R4410 ERJ2GEJ150X 063W 5 15...

Page 27: ...C C851 ECKC3A102J 1KV 1nF S M CAP C852 F1J1H103A834 50V 10nF ELECT C853 F2A1A2220071 10V 2200 F S M CAP C854 F1J1H104A835 50V 100nF S M CAP C855 F1J1H104A835 50V 100nF FILM C856 ECQV1H474JZ 50V 470nF...

Page 28: ...21A971 50V 220pF S M CAP C3070 F1H1H221A971 50V 220pF S M CAP C3071 ECJ1VC1H102J 50V 1nF S M CAP C3072 ECJ1VC1H102J 50V 1nF S M CAP C3073 ECJ3YB1A106M 10V 10 F S M CAP C3074 ECJ1VC1H331 50V 330pF S M...

Page 29: ...CAP C4099 ECJ2FB0J106M 6 3V 10 F S M CAP C4100 ECJ1VB0J105K 6 3V 1 F S M CAP C4101 ECJ1VB1C104K 16V 100nF S M CAP C4102 ECJ1VB1C104K 16V 100nF S M CAP C4103 ECJ2FB0J106M 6 3V 10 F S M CAP C4104 ECJ1V...

Page 30: ...HDMI TERMINAL JK5001 K1FY119D0003 HDMI TERMINAL JK5002 K1FY119D0003 4P CONNECTOR K1 K1KA04BA0061 2P CONNECTOR P1 K1KA02A00720 23P CONNECTOR P2 K1KY23AA0606 8P CONNECTOR P5 K1KA08AA0192 8P CONNECTOR V...

Page 31: ...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 32: ...W 4 GND 5 FB 6 COMP 7 EN 8 SS A1 K1KY23AA0607 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 JK5002 K1FY119D0003 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 JK5001 K1FY119D0003 1 2 3...

Page 33: ...IC4001 K14 VSS IC4001 D22 LINE_IN4L IC4001 B21 VSS IC4001 E14 OSD_3 IC4001 AF7 VOPA_22 IC4001 AD6 I2S_OUT_DAT IC4001 AC14 VOPA_27 IC4001 L15 VSS IC4001 R26 VIN8 IC4001 D13 OSD_6 IC4001 C17 VSS IC4001...

Page 34: ...IC4001 AC2 DRAM_DQ3 IC4002 N3 A5 IC4001 D7 GPIO3_3 IC4002 B3 UDM IC4001 P22 VSS33_ADC1234 IC4002 J8 CK IC4001 H23 VSS33_ADC5678 IC4001 H11 VDD25_OSD IC4001 K10 VDD33_GPIO3 IC4001 T10 VDD33_DAU IC4002...

Page 35: ...003 E7 VSSQ IC4003 N2 A3 IC4003 A7 VSSQ IC4003 C2 DQ9 IC4003 D7 DQ10 IC4003 D8 VSSQ IC4003 F7 LDQS IC4003 R8 NC IC4003 R7 NC IC4003 M8 A0 IC4003 D2 VSSQ IC2350 C1BB00000947 1 OUT1 2 MUTE 3 IN1 4 GND 5...

Page 36: ...CELDR35V L808 EXCELSA35V L804 G0C121KA0186 L851 6 8u T802 ETS27BE1E9AD 1 NC 2 P1 3 NC 4 P2 5 NC 11 NC 10 B2 9 NC 8 NC 7 B1 6 NC T804 ETS35LZ146AD 1 V1 2 V2 4 P2 6 P1 9 S4A 11 S3A 12 S2B 10 S3B 13 S2A...

Page 37: ...00 C C C C C C C C C C C C TP3702 TP3700 TP3707 TP3703 TP3708 TP3705 TP3706 TP3704 TP3701 R3701 39k R3703 180k R3700 39k R3702 180k JK3700 K4AK30B00001 PCB_USE_ASJ3 03 005 1 R SW 2 R 3 R G 4 L 5 L G 6...

Page 38: ...PUSH K1 K1KA04BA0061 S4B PH K S LF SN 1 2 3 4 C1 C1 C1 TP2511 TP2512 TP2510 TP2508 SW2501 K0F162B00002 ALL_OFF_DET STB_5V6 GND RELAY_5V6 TO A4 I K BOARD TNP8EKL92 A B C 1 2 3 38...

Page 39: ...5 6 7 8 C1 C1 C1 C1 C1 C1 C1 C1 C1 C1 C1 C1 SN2551 B3JB00000046 TP2503 TP2506 TP2505 TP2501 TP2507 TP2502 TP2508 TP2504 RM2501 PNA4701M05TV 1 2 3 Q2504 2SD0601A0L Q2506 2SB0709ASL Q2505 2SB0709ASL JS...

Page 40: ...2033 E5 IC1807 C3 Q2310 A4 IC1808 C1 Q2311 A4 IC1809 A1 Q3002 C4 IC1810 D2 Q3003 C4 IC1811 C1 Q3004 C4 IC1812 C2 Q3040 A4 IC2000 D2 Q3041 A4 IC3000 A4 Q3042 A4 IC3809 C3 Q3043 A4 IC3810 E1 Q3044 A4 IC...

Page 41: ...3807 D5 Q2300 D4 Q3819 D1 Q2301 D4 Q3820 E1 Q2302 D4 Q4022 A2 Q2303 E4 Q4501 A2 Q2304 D4 Q5003 C3 Q3011 B4 Q5004 C2 Q3012 B4 Q5019 C2 Q3013 B3 Q5020 C2 Q3046 B4 Q5021 C2 Q3047 B4 Q3048 B4 IC S Q3049 B...

Page 42: ...NP8EPL90 top DIODE S D834 A2 D801 E1 D835 C2 D809 B1 D852 E4 D811 B3 D815 A5 TRAN S D817 C2 Q805 B4 D822 D3 Q806 A6 D825 D2 D826 B6 IC S D827 D3 IC801 B3 D829 C3 IC802 B6 D830 C3 IC803 D3 B C D F 1 2...

Page 43: ...3 Q852 F2 TP852 D4 TP853 F3 DIODE S TP854 F3 D802 C5 TP855 F3 D803 B3 TP856 F4 D804 B3 TP857 F4 D805 B3 TP858 F3 D806 B5 TP859 F4 D807 C4 TP860 F4 D808 B4 TP861 F3 D810 A6 TP862 F4 D812 B6 TP863 F4 D8...

Page 44: ...TRAN S TP S Q2504 A1 TP2501 A1 Q2505 A1 TP2502 A1 Q2506 A1 TP2503 A1 TP2504 A1 DIODE S TP2505 A2 D2501 A2 TP2506 A1 TP2507 A2 IC S TP2508 A1 RM2501 A1 SN2551 A1 V BOARD TNP8EVL91 top 2 A 1 44...

Reviews: