Panasonic TX-32LXD85F Service Manual

Glp23 chassis

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Operating instructions manual (52 pages)

Service manual (70 pages)

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Service Manual

Specifications

(Informations in brackets [ ] refers to model 32")

Power Source:

Power Consumption

Stand-by Power Consumption: 0.4W (Without monitor out recording)

Aerial Impedance:

Receiving System:

Receiving Channels:

Operating Conditions:

Scanning format:

PC signals:

220-240V AC, 50Hz

180W [140W]

14,5W [13W] (With monitor out recording)

75Ω unbalanced, Coaxial Type

LXD85

PAL-I

PAL-525/60 (AV only)

DVB (via UHF aerial input)

M.NTSC (AV only)

NTSC (AV only)

LXD85

UHF E21-E68

0°C ÷ 35°C

Temperature:

Humidity: 20% ÷ 80% RH (non condensing)

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)

VGA, SVGA, XGA, SXGA(compressed)

Horizontal scanning frequency

Vertical scanning frequency

Colour LCD Television

TX-32LXD85F

TX-37LXD85F

GLP23 Chassis

LXD85F

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

SECAM B/G, D/K, L/L'

PAL-525/60 (AV only)

DVB (via VHF/UHF aerial input)

M.NTSC (AV only)

NTSC (AV only)

LXD85F

VHF E2-E12

VHF A-H (ITALY)

VHF R3-R5

UHF E21-E69

CATV S1-S10 (M1-M10)

CATV S21-S41 (Hyperband)

31 – 69 kHz

59 – 86 Hz

ORDER No. PCZ0804034CE

TX-32LXD85

TX-37LXD85

VHF H1-H2 (ITALY)

VHF R1-R2

VHF R6-R12

CATV (S01-S05)

CATV S11-S20 (U1-U10)

Panasonic CS ( U.K. ) Ltd.

WILLOUGHBY ROAD,

BRACKNELL,

BERKS.,

RG12 8FT.

Table of Contents

Summary of Contents for Panasonic TX-32LXD85F

Page 1 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, SVGA, XGA, SXGA(compressed) Horizontal scanning frequency 31 – 69 kHz Vertical scanning frequency 59 – 86 Hz Panasonic CS ( U.K. ) Ltd. WILLOUGHBY ROAD, BRACKNELL, BERKS., RG12 8FT.
Page 2 Intermediate Frequency: Video/Audio LXD85 LXD85F Video 38,9MHz 38,9MHz, 33,9MHz Audio 32.90MHz 33,4MHz (B/G), 33,16MHz (A2) 32.35MHz(NICAM) 33,05MHz (NICAM B/G, D/K, L’) 32,4MHz (D/K), 32,66MHz (CZ STEREO) 40,4MHz (L’), 39,75MHz (L’ NICAM) Colour 34,47MHz 34,47MHz (PAL) 34,5MHz, 34,65MHz (SECAM) 38,3MHz, 38,15MHz (SECAM L’) Terminals: AV1 IN Video (21 pin) 1V p-p 75Ω...
Page 3: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ................4 GENERAL GUIDE LINES..............4 TOUCH – CURRENT CHECK.............. 4 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES ......5 ABOUT LEAD FREE SOLDER (PBF)............6 SUGGESTED PB FREE SOLDER............6 APPLICABLE SIGNALS................7 SERVICE HINTS ..................
Page 4: Safety Precautions
Safety Precautions General Guide Lines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
Page 5: Prevention Of Electrostatic Discharge (Esd) To Electrostatically Sensitive (Es) Devices
Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
Page 6: About Lead Free Solder (Pbf)
About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.
Page 7: Applicable Signals
Applicable signals Component (Y, Pb, Pr), HDMI Signal name COMPONENT HDMI 525 (480) / 60i 525 (480) / 60p 625 (576) / 50i 625 (576) / 50p 750 (720) / 60p 750 (720) / 50p 1,125 (1,080) / 60i 1,125 (1,080) / 50i 1,125 (1,080) / 60p 1,125 (1,080) / 50p 1,125 (1,080) / 24p...
Page 8: Service Hints
Service Hints How to remove the backcover Remove the 18 fixing screws. (see Fig.5) SCREWS SCREWS Fig.5 How to remove the Pedestal assembly Lay the main unit face down. (see Fig.6) Fig.6 Remove the 4 fixing screws and the pedestal assembly. (see Fig.7) SCREWS Fig.7...
Page 9: Chassis Board Layout
Chassis Board Layout G-BOARD P-BOARD A-BOARD K-BOARD V-BOARD Board Name Function A-Board Tuner, PC, AVSW, HQ1L, HDMI,CI Slot, Global Core, GENX, AV Terminal, SD Slot, Speaker out, ADV P-Board Power Supply, Main Input V-Board Remote Receiver, Bats, R/G LED G-Board Side AV Connector K-Board Main Switch...
Page 10: Setting Inspection
Setting Inspection Voltage Confirmation Confirm the following voltages: P board Description Test Position Normal mode Stand by mode Active stand by mode point Panel 12V TP863 P2, pins 16, 17 12,0V +/- 0,35V 12V +/- 0,35V 16V_Audio TP858 P2, pins 20, 21 16V +/- 1V 16V +/- 1V SUB_9V...
Page 11: Self-Check
Self-check is used to automatically check the bus lines and hexadecimal code of the TV set. To enter Self-Check mode, keep pressing the down (-/v) button on the TV set and press the STATUS button on the remote control. To exit Self Check, switch off the TV set at the power button. Panasonic 2008LCD 32HD TX-32LXD85 Self Check Complete 1723 O.K.
Page 12: Power Led Blinking Timing Chart
Power LED blinking timing chart Subject Information of LED Flashing timing chart. Contents When abnormality has occurred the unit, the protection circuit operates and reset to 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 Blinking timing Contents...
Page 13: Service Mode Function
Service Mode Function MPU controls the functions switching for each IICs through IIC bus in 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 within 2 seconds.
Page 14: Service
SERVICE SERVICE Peaks SOFT 2.106 OPTION 1 0c Key Command ADJUST Peaks EEP 01.05.0012 OPTION 2 00 WB-ADJ LSI DATA 0.00.04 OPTION 3 OPTION STBY SOFT 1.01.00 Model ID • SRV-TOOL STBY EEP 1.03.00 03141100 Press the 3/4 button to change the adjustment values or function. STBY ROMCOR 1.01.00 00000004...
Page 15: Option Description
Option Bytes Description OPTION1 ATP Speed Slow (1) / Fast (0) TXT Ch On (1) / Off (0) ID-1 On (1) / Off (0) Macrovision Auto Evaluation On (1) / Off (0) SRS Surround On (1) / Off (0) Teletext Top Off (1) / On (0) Equalizer Not Use...
Page 16: Adjustment Method
Adjustment Method Sub-Contrast/White Balance Adjustment Instrument Name Connect to Remarks Remote controller Correlation can be also taken by LCD WB meter (Minolta CS-1000A equivalent) CA-210 or equivalent Comunication jig Computer for external control Procedure Remarks Let the panel standfor more than 3 hours at more than 20 °C.
Page 17: Wiring Diagram
Wiring diagram...
Page 18: Block Diagrams
Video & Stereo Audio Block Diagram JK4501 RXB_2P,2N,1P,1N,0P,0N,CP,CN (1,3,4,6,7,9,10,12) 114,115,117,118, Q4516 AV1_V MAIN_Y/CVBS MAIN_Y/CVBS AV1_V 120,121,123,124 HDMI 1 AV1_VOUT AV1_VO Q4515 MAIN_PB MAIN_PB AV1_RED AV1_RED Q4514 RXC_2P,2N,1P,1N,0P,0N,CP,CN (1,3,4,6,7,9,10,12) JK4500 AV1_GREEN MAIN_PR/C MAIN_PR/C AV1_GREEN 130,131,133,134, 136,137,139,140 HDMI 2 AV1_BLUE AV1_BLUE Q4519 RGB_CVBS RGB _CVBS AV1_L...
Page 19 Power Supply Block Diagram A-BOARD P-BOARD (EXCHANGE UNIT) LF801 LF802 RELAY_5V6 IC3001 Line Line T803 Filter Filter RL801 HDMI TERMINAL SWITCH F801 STB_5V6 SUB5V 4, 6, 16, 18, 22, JK4500 24, 36, 82, 86, D809 90, 92 PC802 HDMI1 SUB9V IC802 T804 JK4501...
Page 20 Control Block Diagram A - BOARD (EXCHANGE UNIT) TMP_SENS_SCL AG_DTV_XRST IC5660 IC1000 AV2_SLOW ADV_SDA TMP_SENS_SDA IFAGC RESET IC TEMP SENSOR TU2901 PC_VS IC4510 TUNER_SCL ADV_SCL AV1_SLOW HDMI_CEC PC_HS C1AB00002966 TUNER HDMI1 XIRQ3 TUNER_SDA SCL_AIR AG_HDMI_5V_DET1 RGB_FB IC4209 27, 94 AG_ADV_XRST IFD1 JK4501 AV1_QLINK...
Page 21: Parts Location
Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. (UK) (CONTINENTAL)
Page 22 NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. Difference for 37’’...
Page 23: Replacement Parts List
Replacement Parts List Important Safety Notice Components Identified by mark have special characteristics important for safety. * When replacing any of these components, use only manufacturers specified parts. In case of ordering these spare parts, please always add the complete Model-Type number to your order. RTL (Retention Time Limited) Note: The marking (RTL) indicates that the Retention Time is Limited for this item.
Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description IC8408 C0JBAU000025 BUFFER D3005 MAZ81400ML DIODE IC8409 C0JBAU000025 BUFFER D3006 MAZ81400ML DIODE IC8554 TVR0E001-3 FLASH MEMORY D3009 MAZ81400ML DIODE PC801 B3PAA0000363 PHOTO COUPLER D3010 MAZ81400ML DIODE PC802 B3PAA0000363 PHOTO COUPLER D3011 MAZ81400ML DIODE...
Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description D5601 MA22D3900L DIODE Q2066 2SD601ATX TRANSISTOR D5602 MA22D3900L DIODE Q2067 2SD601ATX TRANSISTOR D5603 B0JCDD000002 DIODE Q2068 MSB709-T1 TRANSISTOR D5604 B0JCDD000002 DIODE Q2069 2SD601ATX TRANSISTOR D5605 MA22D3900L DIODE Q2070 2SD601ATX TRANSISTOR D5606 B0JCDD000002 DIODE...
Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description L806 EXCELDR35V COIL L4217 J0JHC0000078 COIL L807 EXCELDR35V COIL L4220 J0JHC0000078 COIL L808 EXCELSA35V COIL L4301 J0JHC0000078 COIL L851 ELC10D6R8E COIL L4450 J0JHC0000078 COIL L852 ELC12E470L COIL L4451 J0JHC0000078 COIL L853 ELC12E470L COIL...
Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description X4500 H0J245500089 CRYSTAL JSA0018 ERJ6GEY0R00 S.M.CARB 0.1W 0 Ω X8001 H0J270500061 CRYSTAL JSA0019 ERJ6GEY0R00 S.M.CARB 0.1W 0 Ω X8301 H0J204500006 CRYSTAL JSA0020 ERJ6GEY0R00 S.M.CARB 0.1W 0 Ω RESISTORS JSA0021 ERJ6GEY0R00 S.M.CARB 0.1W 0 Ω...
Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description R834 ERG1SJ271 METAL 270 Ω R1162 ERJ2GE0R00X .063W 0 Ω R836 ERJ6GEYJ223 S.M.CARB 0.1W 22K Ω R1163 ERJ2GEJ105X .063W 1M Ω R837 ERJ6GEYJ223 S.M.CARB 0.1W 22K Ω R1164 ERJ2GEJ103X .063W 10K Ω...
Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description R2002 ERJ2GEJ102X .063W 1K Ω R2166 ERJ2GEJ222X .063W 2K2 Ω R2003 ERJ2GEJ105X .063W 1M Ω R2169 ERJ2GEJ473X .063W 47K Ω R2006 ERJ2GEJ471X .063W 470 Ω R2170 ERJ2GEJ222X .063W 2K2 Ω R2007 ERJ2GEJ221X .063W...
Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description R3024 ERJ2GEJ104X .063W 100K Ω R3132 ERJ2GEJ680X .063W 68 Ω R3025 ERJ2GEJ104X .063W 100K Ω R3133 ERJ2GEJ680X .063W 68 Ω R3028 ERJ2GEJ331X .063W 330 Ω R3134 ERJ2GEJ680X .063W 68 Ω R3029 ERJ2GEJ331X .063W...
Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description R3703 ERJ6GEYJ184 S.M.CARB 0.1W 180K Ω R4284 ERJ2GEJ164X .063W 160K Ω R3801 ERDS2TJ913T CARBON 0.25W 91K Ω R4285 ERJ2GE0R00X .063W 0 Ω R3802 ERJ6GEY0R00 S.M.CARB 0.1W 0 Ω R4286 D1BB1502A055 CHIP RES 0.1W 15K Ω...
Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description R4375 ERJ2GE0R00X .063W 0 Ω R4625 ERJ2GEJ102X .063W 1K Ω R4376 ERJ2GEJ222X .063W 2K2 Ω R4626 D1BB2200A055 0.1W 220 Ω R4377 ERJ2GEJ680X .063W 68 Ω R4627 D1BB2200A055 0.1W 220 Ω R4385 ERJ2GE0R00X .063W...
Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description R5614 D0GBR00Z0002 0.1W 0 Ω R5689 ERJ2GE0R00X .063W 0 Ω R5616 ERJ2GE0R00X .063W 0 Ω R5702 ERJ2GEJ222X .063W 2K2 Ω R5619 ERJ2GE0R00X .063W 0 Ω R5703 D0GDR00Z0002 .125W 0 Ω R5620 ERJ2GEJ680X .063W...
Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description R8095 ERJ2GEJ103X .063W 10K Ω R8437 EXB2HV104JV CHIP RES .063W 100K Ω R8097 ERJ2GEJ221X .063W 220 Ω R8438 ERJ2GEJ104X .063W 100K Ω R8098 ERJ2GEJ103X .063W 10K Ω R8439 ERJ2GEJ680X .063W 68 Ω...
Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description R8852 ERJ2GE0R00X .063W 0 Ω R8938 ERJ2GEJ103X .063W 10K Ω R8853 ERJ2GE0R00X .063W 0 Ω R8942 ERJ2GEJ473X .063W 47K Ω R8855 ERJ2GEJ680X .063W 68 Ω R8943 ERJ2GEJ473X .063W 47K Ω R8856 ERJ2GEJ680X .063W...
Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C864 F1J1C104A195 S.M.CAP 100nF C2110 ECJ1VB1H104 S.M.CAP 100nF C867 F2A1V1020093 ELECT 1000µF C2111 F1H0J2250008 CERAMIC 6.3V 2200nF C868 F2A1V1020093 ELECT 1000µF C2112 F1J1A106A043 S.M.CAP 10µF C869 F1J1H104A835 S.M.CAP 100nF C2113 F1J1A106A043 S.M.CAP 10µF...
Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C2319 ECJ1VB1H104 S.M.CAP 100nF C3039 F1H1A1050032 S.M.CAP 1000nF C2321 ECJ1VB1H104 S.M.CAP 100nF C3041 F1H1A1050032 S.M.CAP 1000nF C2323 ECJ1VB1H104 S.M.CAP 100nF C3043 F1H1A1050032 S.M.CAP 1000nF C2333 F1J1E3340003 S.M.CAP 330nF C3044 F1H1A1050032 S.M.CAP 1000nF C2335...
Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description C4205 F2G0J470A019 ELECT 6.3V 47µF C4292 F1G1H101A731 S.M.CAP 100pF C4206 F1G1C104A116 S.M.CAP 100nF C4293 F1G1C104A116 S.M.CAP 100nF C4207 F1G1C104A116 S.M.CAP 100nF C4294 F1G1H102A730 S.M.CAP C4209 F1G1H102A730 S.M.CAP C4295 EEEHB0G471P ELECT 470µF C4211 F1G1H220A731...
Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description C4368 F2G0J220A019 ELECT 6.3V 22µF C4598 F1H1A1050032 S.M.CAP 1000nF C4369 F1H0J1050012 S.M.CAP 6.3V 1000nF C4599 F2G0J470A019 ELECT 6.3V 47µF C4371 F1G1E103A123 S.M.CAP 10nF C4600 F1G1C104A116 S.M.CAP 100nF C4372 F1G1C104A116 S.M.CAP 100nF C4601 F2G0J470A019...
Page 40 Cct Ref Parts Number Description Cct Ref Parts Number Description C5624 F1G1H221A459 S.M.CAP 220pF C8019 F1G1C104A116 S.M.CAP 100nF C5625 F1G1E103A123 S.M.CAP 10nF C8020 F1G1C104A116 S.M.CAP 100nF C5626 F1G1C104A116 S.M.CAP 100nF C8021 F1G1C104A116 S.M.CAP 100nF C5627 F1G1C104A116 S.M.CAP 100nF C8022 F1H0J1050012 S.M.CAP 6.3V 1000nF...
Page 41 Cct Ref Parts Number Description Cct Ref Parts Number Description C8319 F1G1E103A123 S.M.CAP 10nF RELAYS C8320 F1G1E103A123 S.M.CAP 10nF RL801 K6B2ADA00007 RELAY C8321 F1G1E103A123 S.M.CAP 10nF C8327 F1H1A1050032 S.M.CAP 1000nF DIFFERENCES FOR MODEL TX--32LXD85 C8328 F1H1A1050032 S.M.CAP 1000nF C8329 F1G1E103A123 S.M.CAP 10nF EXPLODED VIEW...
Page 42 Cct Ref Parts Number Description Cct Ref Parts Number Description TQB0E0565K DANISH TKZ0E9160 LCD BRACKET TQB0E0565M BULGARIAN L5EDD9Q00004 LCD PANEL TQB0E0565N ROMANIAN TBM0E1206 MODEL LABEL TQB0E0565O LATVIAN TTX0E0007 PEDESTAL ASSY TQB0E0565P POLISH TKP0E91801 POWER BUTTON BRACKET TQB0E0565Q HUNGARIAN TUA0E3400 R CHASSIS FRAME BRACKE TQB0E0565R CZECH TKP0E35301...
Page 43: Schematic Diagrams
Schematic Diagrams IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise. Unit of resistance is OHM (Ω) (k=1,000, M=1,000,000) CAPACITORS All capacitors are ceramic 50V unless marked otherwise.
Page 66: Conductor Views
Conductor Views A-BOARD TNP8EAL90 - top IC’S Q3000 IC1101 Q3001 IC1104 Q3002 IC2106 Q3003 IC2107 Q3004 IC2301 Q3005 IC4200 Q4203 IC4201 Q4204 IC4202 Q4205 IC4207 Q4206 IC4510 Q4207 IC4514 Q4501 IC4515 Q4514 IC5602 Q4515 IC5660 Q4702 IC8001 Q5600 IC8002 Q5601 IC8003 Q5602 IC8403...
Page 67 A-BOARD TNP8EAL90 - bottom IC’S TRAN’S IC1000 Q1104 IC1100 Q1105 IC2008 Q2021 IC2012 Q2022 IC2013 Q2061 IC2902 Q2062 IC3001 Q2064 IC4203 Q2065 IC4204 Q2066 IC4205 Q4200 IC4206 Q4201 IC4208 Q4202 IC4209 Q4208 IC4511 Q4500 IC4512 Q4502 IC4513 Q4503 IC4700 Q4516 IC5600 Q4517 IC5601...
Page 68 P-BOARD TNP8EPL90 - top IC’S IC801 IC802 IC803 IC854 DIODE’S D801 D809 D811 D815 D817 D822 D825 D826 D827 D829 D830 D834 D835 D852 D853 D855 TRAN’S Q805 Q806...
Page 69 P-BOARD TNP8EPL90 - bottom IC’S TRAN’S IC851 Q801 IC853 Q804 Q809 DIODE’S Q810 D802 Q811 D803 Q851 D804 Q852 D805 D806 TP’S D807 TP863 D808 TP858 D810 TP860 D812 TP853 D813 TP856 D814 D819 D820 D828 D831 D832 D851 D854...
Page 70 V-BOARD TNP8EVL92 - top TRAN’S Q2501 Q2502 Q2503 Q2504 Q2505 Q2506 DIODE’S D2501 D2503 IC’S RM2501 A2...

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Panasonic TX-32LXD85F Service Manual

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