Panasonic TX-26LXD60 Service Manual

Panasonic TX-26LXD60 Service Manual

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Service Manual

SPECIFICATIONS

(Information in brackets [ ] refers to model TX-26LXD60)
Power Source:
220-240V AC, 50Hz
Power Consumption:
153W [105W]
Stand-by Power
Consumption:
1W (TV ONLY)
10W (TV+DVB set to record)
Aerial Impedance:
75Ω unbalanced, Coaxial Type
Receiving System:
PAL-I,
PAL-525/60 (AV only)
DVB (via UHF aerial input)
M.NTSC (AV only)
NTSC (AV only)
Receiving Channels:
UHF E21-E68
Operating Conditions:
5°C ÷ 35°C
Temperature:
5% ÷ 90% RH (non-condensing)
Humidity:
Intermediate Frequency:
Video/Audio
Video
38,9MHz
Audio
32,9MHz
32,35MHz (NICAM)
Colour
34,47MHz
Terminals:
AV1 IN
Video (21 pin)
Audio (21 pin)
RGB (21 pin)
AV1 OUT
Video (21 pin)
Audio (21 pin)
AV2 IN
Video (21 pin)
Audio (21 pin)
S-Video IN
(21 pin)
RGB (21 pin)
AV2 OUT
Video (21 pin)
Audio (21 pin)
Colour LCD Television
AV3 IN
HDMI1, HDMI2
COMPONENT YUV
AUDIO IN
LCD screen:
Audio Output:
Headphones:
Accessories
supplied :
Dimensions:
Including TV stand
Height:
Width:
Depth:
TV set only
1V p-p 75Ω
Height:
500mV rms 10kΩ
Width:
0,7V p-p 75Ω
Depth:
1V p-p 75Ω
Net weight:
500mV rms 1kΩ
Specifications are subject to change without notice.
Weights and dimensions shown are approximate.
1V p-p 75Ω
500mV rms 10kΩ
Y: 1V p-p 75Ω
C:0,3V p-p 75Ω
0,7V p-p 75Ω
1V p-p 75Ω
500mV rms 1kΩ
ORDER No. PCZ0602003CE
TX-32LXD60
TX-26LXD60
GLP21 Chassis
S-Video IN
Y:1V p-p 75Ω
(4-pin)
C:0,3V p-p 75Ω
Audio (RCAx2)
500mV rms 10kΩ
Video (RCAx1)
1V p-p 75Ω
Type A Connector
Video (RCAx3)
Y:1V p-p 75Ω
Pb, Pr:0,7V p-p 75Ω
Audio (RCAx2)
500mV rms 10kΩ
L5EDD8Q00019 [L5EDD6Q00013]
1366 x 768 XGA, 16:9
Visible Diagonal 800mm [660mm]
2x10W RMS
8Ω impedance
3,5mm, 8Ω Impedance
Remote Control
2 x R6 (UM3) Batteries
615mm
[525mm]
791mm
[657mm]
301mm
[301mm]
563mm
[473mm]
791mm
[657mm]
107mm
[107mm]
19kg
[14,5kg]
Panasonic CS ( U.K. ) Ltd.
WILLOUGHBY ROAD,
BRACKNELL,
BERKS.,
RG12 8FT.

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Summary of Contents for Panasonic TX-26LXD60

  • Page 1: Service Manual

    ORDER No. PCZ0602003CE Service Manual Colour LCD Television TX-32LXD60 TX-26LXD60 GLP21 Chassis SPECIFICATIONS (Information in brackets [ ] refers to model TX-26LXD60) Power Source: 220-240V AC, 50Hz AV3 IN S-Video IN Y:1V p-p 75Ω (4-pin) C:0,3V p-p 75Ω Power Consumption:...
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ................................. 2 GENERAL QUIDE LINES ..............................2 TOUCH – CURRENT CHECK ............................2 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES ... 3 ABOUT LEAD FREE SOLDER (PBF) ............................4 SUGGESTED PB FREE SOLDER............................4 SERVICE HINTS ..................................
  • Page 3: Safety Precautions

    Measuring network for TOUCH CURRENTS COLD WATER PIPE (EARTH GROUND) =500µF =500Ω 10kΩ APPLIANCES =500Ω 0.022µF EXPOSED METAL PARTS Resistance values in ohms (Ω) Input resistance: ≥ 1MΩ Voltmetr or oscilloscope Input capacitance: ≤ 200pF (r.m.s. or peak reading) Frequency range: 15Hz to 1Mhz and d.c.respectively NOTE –...
  • Page 4: 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 5: Service Hints

    SERVICE HINTS How to remove the pedestal assembly Lay the main unit face down as shown in Fig.5. Fig.5 Remove the 2 fixing screws and hinge cover as shown in Fig.6. Remove the 8 fixing screws and the pedestal assembly as shown in Fig.7.
  • Page 6: Chassis Board Layout

    CHASSIS BOARD LAYOUT KEY CONTROL K-BOARD P-BOARD XV-BOARD H-BOARD V-BOARD A-BOARD B-BOARD Board Name Function A-Board Main Board B-Board Tuner H-Board AV3 Terminal Key Control Key Control K-Board Mains Input, Power Switch P-Board Power Supply V-Board Remote Receiver, LED IR, Bats XV-Board IDTV Processor, D/A Converter, SETTING INSPECTION...
  • Page 7: Self-Check

    (-/v) button on the customer controls at the front the TV set. To exit Self Check, switch off the TV set at the power button. TX-32LXD60 TX-26LXD60 O.K. O.K. OPTION 1 O.K.
  • Page 8: Alignment Settings

    ALIGNMENT SETTINGS (The figures below are nominal and used for representative purposes only.) Set the Bass to maximum position, set the Treble to minimum position then keep pressing the INDEX button on the remote control and press the down button (-/v) on the customer controls at the front of the TV, this will place the TV into the Service Mode 1.
  • Page 9: Block Diagrams

    JK3001 TO LCD PANEL HP RIGHT HP LEFT RED/C IN G IN B IN CVBS OUT RED/C IN G IN B IN CVBS IN L IN R IN L OUT R OUT AV2 R OUT CVBS OUT CVBS IN R IN G IN B IN L IN...
  • Page 10 COMP VREF SIGNAL24V D851 D852 MAIN IN D853 AUD12_16 Q873 LCF´S LCF´S LCF´S...
  • Page 11 HDMI_AUDIO_MUTE HDMI_HP_MUTE HDMI_SMUTE_INHIBIT AUDIO _MUTE NOT_STBY SDA3,3V SCL3,3V FBL1 AV2_SCL AV2 SLOW EEPROM_SDA FBL1 AV1_SDA AV1_SCL AV1_SLOW STBY1,8V SCL_P1 SDA_P1 +5V_HDMI_P1 STBY3,3V HPDT_P1 3,3V_HDMI SCL_P0 SDA_P0 +5V_HDMI_P0 HPDT_P0 SERVICE...
  • Page 12: Parts Location

    PARTS LOCATION NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.
  • Page 13: Replacement Parts List

    C0EBE0000120 I.C. RESET K0RB00500002 KEY BUTTON MODULE IC1501 VCT6973B2B00 VIDEO PROCESSOR TBLA0194 PEDESTAL ASSY IC3200 C1AB00001486 VIDEO SWITCH TBMA180 PANASONIC BADGE IC3201 C1AB00001486 VIDEO SWITCH TBX0E81700 POWER BUTTON IC3300 TEA6422DT AUDIO MATRIX TKK0E9518 POWER BUTTON PANEL IC3400 C1AB00000421 RGB SWITCH...
  • Page 14 Cct Ref Parts Number Description Cct Ref Parts Number Description D255 UDZSTE-1720B ZENER DIODE D1220 EZJZ0V80008B VARISTOR D270 MA22D3900L DIODE D1221 EZJZ0V80008B VARISTOR D271 MA22D3900L DIODE D1222 EZJZ0V80008B VARISTOR D272 MA22D3900L DIODE D1501 B0ACCK000005 DIODE D273 MA22D3900L DIODE D1502 B0ACCK000005 DIODE D274 MA22D3900L...
  • Page 15 Cct Ref Parts Number Description Cct Ref Parts Number Description Q270 BC857B TRANSISTOR Q3860 BC847B TRANSISTOR Q271 BC857B TRANSISTOR Q3861 BC857B TRANSISTOR Q272 BC857B TRANSISTOR Q3862 BC847B TRANSISTOR Q273 BC847B TRANSISTOR Q5000 B1MBACA00008 TRANSISTOR Q274 BC847B TRANSISTOR Q5001 2SK2009TE81L TRANSISTOR Q275 BC847B TRANSISTOR...
  • Page 16 Cct Ref Parts Number Description Cct Ref Parts Number Description L3024 ELJFCR68KFB COIL R134 ERJ6GEYJ510 .125W 51 Ω L3025 ELJFCR68KFB COIL R135 ERJ3GEYJ471 0.1W 470 Ω L3026 ELJFCR68KFB COIL R200 ERJ6GEY0R00 S.M.CARB 0.1W 0 Ω L3600 ELJFA6R8KFB COIL R201 ERJ3GEYJ222 0.1W 2K2 Ω...
  • Page 17 Cct Ref Parts Number Description Cct Ref Parts Number Description R295 ERJ3GEYJ222 0.1W 2K2 Ω R882 ERJ6RED244V 0.1W 240K Ω R299 ERJ3GEYJ104V S.M.CARB 0.1W 100K Ω R883 ERJ6RED274 0.1W 270K Ω R809 ERJ6GEY0R00 S.M.CARB 0.1W 0 Ω R885 ERJ6GEYJ105 S.M.CARB 0.1W 1M Ω...
  • Page 18 Cct Ref Parts Number Description Cct Ref Parts Number Description R1241 ERJ3GEYJ101 0.1W 100 Ω R1528 ERJ6GEYJ750 S.M.CARB 0.1W 75 Ω R1242 ERJ3GEYJ103 0.1W 10K Ω R1529 ERJ3GEYJ101 0.1W 100 Ω R1249 ERJ3GEYJ225 0.1W 2M2 Ω R1530 ERJ3GEYJ273 0.1W 27K Ω R1250 ERJ3GEYJ472 0.1W...
  • Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description R3058 ERJ3GEYJ104V S.M.CARB 0.1W 100K Ω R3861 ERJ3GEYJ333V 0.1W 33K Ω R3059 ERJ3GEYJ101 0.1W 100 Ω R3862 ERJ3GEYJ153V S.M.CARB 0.1W 15K Ω R3060 ERJ3GEYJ104V S.M.CARB 0.1W 100K Ω R3863 ERJ3GEYJ153V S.M.CARB 0.1W 15K Ω...
  • Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description R5073 ERJ3GEYJ220 0.1W 22 Ω R8053 ERJ2GEJ103X .063W 10K Ω R5074 ERJ3GEYJ220 0.1W 22 Ω R8054 ERJ2GEJ103X .063W 10K Ω R5075 ERJ3GEYJ220 0.1W 22 Ω R8055 ERJ2GEJ103X .063W 10K Ω R5076 ERJ3GEYJ220 0.1W...
  • Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description R8165 ERJ2GEJ560X .063W 56 Ω R8271 ERJ2GEJ560X .063W 56 Ω R8167 ERJ2GEJ103X .063W 10K Ω R8272 EXB38V560JV .063W 56 Ω R8168 ERJ2GEJ103X .063W 10K Ω R8273 ERJ2GEJ560X .063W 56 Ω R8169 ERJ2GEJ103X .063W...
  • Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description R8443 EXB38V560JV .063W 56 Ω R8606 ERJ2GEJ104X .063W 100K Ω R8444 ERJ2GEJ101X .063W 100 Ω R8608 ERJ2GEJ105X .063W 1M Ω R8445 ERJ2GEJ151X .063W 150 Ω R8610 ERJ2GEJ332X .063W 3K3 Ω R8446 ERJ2GEJ151X .063W...
  • Page 23 Cct Ref Parts Number Description Cct Ref Parts Number Description C205 ECJ1VB1H222K S.M.CAP 2.2nF C824 ECJ2VF1C104Z S.M.CAP 100nF C206 ECJ2VB1H153K S.M.CAP 15nF C825 ECJ2VF1C104Z S.M.CAP 100nF C207 ECJ1VB1H222K S.M.CAP 2.2nF C826 ECJ2FB1E224K S.M.CAP 220nF C208 F2A1E470A211 ELECT 47µF C827 ECQV1H824JL3 FILM 820nF C209...
  • Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description C1381 F1H1C104A041 CERAMIC 100nF C1566 ECJ1VC1H220J S.M.CAP 22pF C1382 ECJ2FF1A475Z S.M.CAP 4.7µF C1567 EEEHB1E100R ELECT 10µF C1383 ECJ2FF1A475Z S.M.CAP 4.7µF C1568 EEEHB1E100R ELECT 10µF C1384 F1H1C104A041 CERAMIC 100nF C1569 EEUEB1H220SB ELECT 20µF C1385...
  • Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description C3308 ECJ2FB1C474K S.M.CAP 470nF C5017 ECJ1VB1C104K S.M.CAP 100nF C3309 ECJ2FB1C474K S.M.CAP 470nF C5018 F1H1H102A219 CERAMIC C3310 ECJ2FB1C474K S.M.CAP 470nF C5019 ECJ1VB1C104K S.M.CAP 100nF C3311 ECJ2FB1C474K S.M.CAP 470nF C5020 F1H1H102A219 CERAMIC C3312 ECJ3YB1C475K S.M.CAP...
  • Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description C5088 ECJ1VC1H150 S.M.CAP 15pF C8151 ECJ0EB1A104K S.M.CAP 100nF C8001 ECJ0EB1C103K S.M.CAP 10nF C8154 ECJ0EB1A104K S.M.CAP 100nF C8002 ECJ0EB1A104K S.M.CAP 100nF C8155 ECJ0EB1A104K S.M.CAP 100nF C8003 ECJ0EB1C103K S.M.CAP 10nF C8156 ECJ0EB1A104K S.M.CAP 100nF C8004...
  • Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description C8349 ECJ0EB1A104K S.M.CAP 100nF JK5000 K1FA119D0001 HDMI CONNECTOR C8350 ECJ0EF1C104Z S.M.CAP 100nF JK5001 K1FA119D0001 HDMI CONNECTOR C8351 ECJ0EF1C104Z S.M.CAP 100nF JK8401 K1NA68B00042 CI SLOT C8361 F2G1C470A022 ELECT 47µF K1KA03A00537 3P CONNECTOR C8372 ECJ0EB1A104K S.M.CAP...
  • Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description MISCELLANEOUS COMPONENTS TPC0E64201 CARTON I.C.s IC1120 GLP21/3A01U EAROM 24C32ANSU27T TRANSFORMERS T801 ETS49LM146BD TRANSFORMER RESISTORS R822 D0D2R33KA003 WOUND 2W 10% R33 Ω R827 D0D2R33KA003 WOUND 2W 10% R33 Ω CAPACITORS C848 ECWF6473HLB FILM 630V...
  • Page 29 NOTES...
  • Page 30: Schematic Diagrams

    SCHEMATIC DIAGRAMS FOR MODELS TX-32LXD60, TX-26LXD60 (GLP21 CHASSIS) 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.
  • Page 61 TNPA3740 XV-BOARD XV BOARD SCHEMATIC DIAGRAM IS NOT INCLUDED, IT IS ONLY EXCHANGE UNIT.
  • Page 62: Conductor Views

    CONDUCTOR VIEWS FOR MODELS TX-32LXD60, TX-26LXD60 A-BOARD TNP8EAL40 - top TRAN’S Q875 D5029 Q1100 Q876 D5030 Q1101 Q877 D5031 Q1207 Q878 D5032 Q1208 Q879 D5033 Q1209 Q881 D5034 Q1212 Q952 D5035 Q1213 D5038 Q1214 DIODE’S D866 Q1215 D1201 D870 Q1217...
  • Page 63 A-BOARD TNP8EAL40 - bottom TRAN’S D3831 Q1200 D5001 Q122 D5004 Q123 D5036 Q1380 D5037 Q1734 D872 Q3800 D885 Q5001 D892 Q5004 Q5009 IC’S Q5010 IC270 Q5012 IC3300 Q865 IC3850 Q872 Q873 TP’S Q882 TP004 TP005 DIODES TP006 D1101 TP008 D1102 TP009 D1501 TP010...
  • Page 64 XV-BOARD TNPA3740 - top DIODES D8203 D8204 D8501 IC’S IC8009 IC8013 IC8019 IC8023 IC8024 IC8029 IC8031 IC8034 IC8042 IC8501...
  • Page 65 XV-BOARD TNPA3740 - bottom TRAN’S Q8101 Q8102 Q8103 Q8104 Q8401 Q8402 IC’S IC8003 IC8213 IC8402 IC8404 IC8405 IC8408 IC8409 IC8410 IC8411 IC8412 IC8864...
  • Page 66 P-BOARD TNP8EPL50 TRAN’S D814 Q801 D816 Q802 D817 Q803 D818 Q804 D819 Q805 D820 Q806 D824 Q807 D825 Q808 D827 Q822 D851 Q851 D852 Q852 D853 Q853 D854 Q854 D855 Q855 D856 D857 DIODE’S D858 D3817 D859 D3818 D860 D3839 D861 D801 D862...
  • Page 67 V-BOARD TNP8EVL40 - top DIODES D1061 V-BOARD TNP8EVL40 - bottom TRAN’S Q1063 Q1064 Q1065 DIODES D1051 D1062...

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