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Service Manual
Specifications
Power Source:
Power Consumption
Stand-by Power Consumption: 1W
Aerial Impedance:
Receiving System:
Receiving Channels:
Operating Conditions:
Scanning format:
Intermediate Frequency:
Video/Audio
Video
Audio
Colour
220-240V AC, 50Hz
92W
75Ω unbalanced, Coaxial Type
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 only)
VHF E2-E12
VHF A-H (ITALY)
VHF R3-R5
UHF E21-E69
CATV S1-S10 (M1-M10)
CATV S21-S41 (Hyperband)
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)
38,9MHz, 33,9MHz
33,4MHz (B/G), 33,16MHz (A2)
33,05MHz (NICAM B/G, D/K, L)
32,4MHz (D/K), 32,66MHz (CZ STEREO)
40,4MHz (L
), 39,75MHz (L
NICAM)
'
'
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
38,3MHz, 38,15MHz (SECAM L
Colour LCD Television
GLP23A Chassis
VHF H1-H2 (ITALY)
VHF R1-R2
VHF R6-R12
CATV (S01-S05)
CATV S11-S20 (U1-U10)
'
)
ORDER No. PCZ0809165CE
TX-26LE8F
TX-26LE8FS
TX-26LE8L
TX-26LE8P
TX-26LE8PS
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Table of Contents
Related Manuals for Panasonic TX-26LE8F
Summary of Contents for Panasonic TX-26LE8F
- Page 1 ORDER No. PCZ0809165CE Service Manual Colour LCD Television TX-26LE8F TX-26LE8FS TX-26LE8L TX-26LE8P TX-26LE8PS GLP23A Chassis Specifications Power Source: 220-240V AC, 50Hz Power Consumption Stand-by Power Consumption: 1W Aerial Impedance: 75Ω unbalanced, Coaxial Type Receiving System: PAL-I/H, B/G, D/K, SECAM B/G, D/K, L/L’...
- Page 2 Terminals: AV1 IN Video (21 pin) 1V p-p 75Ω Audio (21 pin) 500mV rms 10kΩ RGB (21 pin) 0,7V p-p 75Ω AV1 OUT Video (21 pin) 1V p-p 75Ω Audio (21 pin) 500mV rms 1kΩ AV2 IN Video (21 pin) 1V p-p 75Ω Audio (21 pin) 500mV rms 10kΩ...
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Page 3: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ........... 4 SELF-CHECK ............11 GENERAL GUIDE LINES........4 ADJUSTMENT METHOD.......... 12 TOUCH – CURRENT CHECK....... 4 WIRING DIAGRAM ........... 13 PREVENTION OF ELECTROSTATIC DISCHARGE BLOCK DIAGRAMS..........14 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) PARTS LOCATION........... 17 DEVICES ..............5 REPLACEMENT PARTS LIST........ -
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 Note: •... -
Page 8: Service Hints
Service Hints How to remove the backcover Remove the 12 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 POWER UNIT A-BOARD V-BOARD K-BOARD Board Name Function A-Board 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 Power Unit Main Input, Power Supply, Power Supply Regulator Location of Lead Wiring To find the Part Number of required wire in Replacement Parts List click on the wire name in red box. -
Page 10: Setting Inspection
Setting Inspection Voltage Confirmation Confirm the following voltages: A board Description Test point Position Range TP3822 D3865 28V - 32V TP3824 C3864 11,4V – 12,6V AUDO_15V A1, pin20,21 14V - 16V TP3823 C3858, +pin 7,6V – 8,7V STBY3.3V TP3817 C3844, +pin 3,2V –... -
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. TX-26LE8P TX-26LE8F Panasonic GLP23A Panasonic GLP23A TX-26LE8PS TX-26LE8FS SW V1.09... -
Page 12: Adjustment Method
Adjustment Method How to enter Service 1 • 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 TV set, this will place the TV set into the Service Mode 1. Key Command •... - Page 16 HP_SENSE PANEL_OFF MAIN_SENSE_MUTE ALL_OFF_DET MAIN_MUTE_IC 5V6_SW_ON HP_MUTE_IC HP_MUTE HP_MUTE 5V6_SW_ON ALL_OFF_DET MAIN_MUTE SDA3V3 HP_MUTE_IC SCL3V3 EAROM_VCC_OFF MAIN_MUTE MAIN_MUTE_IC AUDIO_MUTE MAIN_SENSE_MUTE 5V6_SW_ON AV2_FBL SWITCH_HOLD_ON AV2_QLINK AV2 _SLOW SDA3V3 SCL3V3 16 AV1 AV1_QLINK AV1_SLOW CEC_P1 SCL_P1 SDA_P1 +5V_HDMI_P1 HPDT_5V_P1 CEC_P0 SCL_P0 SDA_P0 +5V_HDMI_P0 HPDT_5V_P0 5V_SIG...
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Page 17: 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 18 Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.
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Page 19: 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 20 Cct Ref Parts Number Description Cct Ref Parts Number Description D3879 MAZ81300HL ZENER DIODE Q3804 BC847B TRANSISTOR D3880 MA2J11100L DIODE Q3805 B1DHCC000024 TRANSISTOR D3881 MA2J11100L DIODE Q3813 B1DHCC000024 TRANSISTOR D3882 MA2J11100L DIODE Q3818 BC847B TRANSISTOR D3883 MAZ802400L DIODE Q3820 BC847B TRANSISTOR D3884 MAZ80470LL...
- Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description L3801 ELL6SH100ME COIL R327 D0GB104JA041 0.1W 100K Ω L3802 J0JHC0000078 COIL R328 ERJ3GEYJ153V S.M.CARB 0.1W 15K Ω L3803 J0JHC0000078 COIL R329 D0GB103JA041 0.1W 10K Ω L3804 J0JHC0000078 COIL R330 ERJ3GEYJ472 0.1W 4K7 Ω...
- Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description R1527 ERJ3GEYJ750 0.1W 75 Ω R2514 ERJ6GEYJ223 S.M.CARB 0.1W 22K Ω R1528 ERJ6GEYJ750 S.M.CARB 0.1W 75 Ω R2515 ERJ6GEYJ224 S.M.CARB 0.1W 220K Ω R1529 D0GB101JA041 0.1W 100 Ω R2516 ERJ6GEYJ473 S.M.CARB 0.1W 47K Ω...
- Page 23 Cct Ref Parts Number Description Cct Ref Parts Number Description R3833 D0GB103JA041 0.1W 10K Ω R5016 ERJ3GEYJ220 0.1W 22 Ω R3858 ERJ3GEYJ180 0.1W 18 Ω R5017 ERJ3GEYJ220 0.1W 22 Ω R3860 ERJ3GEYJ821 0.1W 820 Ω R5018 ERJ3GEYJ472 0.1W 4K7 Ω R3861 ERJ3GEYJ272 0.1W...
- Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description R5130 ERJ3GEYJ220 0.1W 22 Ω C1524 F1H1E104A129 S.M.CAP 100nF CAPACITORS C1525 F1H1E104A129 S.M.CAP 100nF C1526 F1H1E104A129 S.M.CAP 100nF C100 F2A1A102A993 ELECT 1000µF C1527 F1H1E104A129 S.M.CAP 100nF C103 F1H1H103A970 S.M.CAP 10nF C1529 F1H1A1050032 S.M.CAP...
- Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description C2514 F2G0J470A019 ELECT 6.3V 47µF C3892 ECJ1VF1A225Z S.M.CAP 2.2µF C2515 F1J1H103A834 S.M.CAP 10nF C5008 F1H1E104A129 S.M.CAP 100nF C2551 F1K1C105A023 S.M.CAP 1000nF C5009 ECJ2FB0J106M S.M.CAP 6.3V 10µF C2552 F2G0J220A019 ELECT 6.3V 22µF C5010 F1H1E104A129...
- Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description C5075 F1H1C105A008 S.M.CAP 1000nF TQB0E0694S-1 GREEK C5076 F1H1E104A129 S.M.CAP 100nF TQB0E0694T-1 TURKISH C5077 F1H1H103A970 S.M.CAP 10nF TQB0E0694U-1 ENGLISH C5078 F1H1E104A129 S.M.CAP 100nF TQB0E0694V-1 CROATIAN C5081 F1H1E104A129 S.M.CAP 100nF TQB0E0694W-1 SLOVAKIAN C5084 F1H1E104A129 S.M.CAP...
- Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description TQB0E0695P-1 POLISH DIFFERENCES FOR MODEL TX--26LE8P TQB0E0695Q-1 HUNGARIAN TQB0E0695R-1 CZECH EXPLODED VIEW TQB0E0695S-1 GREEK TQB0E0695T-1 TURKISH A-26LE8P A P.C.B. TQB0E0695U-1 ENGLISH TXASX01NXA-2 AC CORD ASSY TQB0E0695V-1 CROATIAN TTY0E0269 CABINET ASSY TQB0E0695W-1 SLOVAKIAN TBM0E1228...
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Page 28: 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 37: Conductor Views
Conductor Views A-BOARD TNP0EA012 - top TRAN’S D1102 D5021 Q1100 D1201 D5022 Q1101 D1503 D5023 Q1207 D3808 D5024 Q1208 D3851 D5025 Q1209 D3852 D5026 Q1217 D3853 D5027 Q1221 D3854 D5028 Q1222 D3855 D5029 Q1229 D3856 D5030 Q1230 D3861 D5031 Q1231 D3863 D5032 Q1232... - Page 38 A-BOARD TNP0EA012 - bottom TRAN’S TP’S Q123 TP250 Q254 TP251 Q272 TP254 Q276 TP255 Q277 TP256 Q1130 TP257 Q3201 TP257 Q3202 TP801 Q3205 TP3803 Q5001 TP3813 Q5004 TP3814 Q5005 TP3816 Q5012 TP3817 TP3820 DIODE’S TP3822 D271 TP3823 D272 TP3824 D273 TP3826 D301 TP3828...
- Page 39 V-BOARD TNP8EVL91-top TRAN’S TP’S Q2504 TP2501 Q2505 TP2502 Q2506 TP2503 TP2504 DIODE’S TP2505 D2501 TP2506 TP2507 IC’S TP2508 RM2501 A1 SN2551 A1...