Panasonic TX-32LE7FA Service Manual

Panasonic TX-32LE7FA Service Manual

Colour lcd television
Hide thumbs Also See for TX-32LE7FA:

Advertisement

Service Manual

Specifications

(Information in brackets [ ] refers to model 26´´)
Power Source:
220-240V AC, 50Hz
Power Consumption:
121 [92W]
Stand-by Power
Consumption:
1W
Aerial Impedance:
75 unbalanced, Coaxial Type
Receiving System:
PAL-B/G/I, D/K,
SECAM B/G, D/K, L/L'
PAL-525/60 (AV only)
M.NTSC (AV only)
NTSC (AV 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:
5°C
Humidity:
5%
Intermediate Frequency:
Video/Audio
Video
38,9MHz, 33,9MHz
Audio
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),
32,35MHz (NICAM)
Colour
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
38,3MHz, 38,15MHz (SECAM L')
Terminals:
AV1 IN
Video (21 pin)
Audio (21 pin)
RGB (21 pin)
AV1 OUT
Video (21 pin)
Audio (21 pin)
35°C
90% RH (non-condensing)
1V p-p 75
500mV rms 10k
0,7V p-p 75
1V p-p 75
500mV rms 1k
Colour LCD Television
GLP21MA Chassis
AV2 IN
Video (21 pin)
Audio (21 pin)
RGB (21 pin)
S-video IN
(21-pin)
AV2 OUT
Video (21 pin)
Audio (21 pin)
AV3 IN
S-Video IN
(4-pin)
Audio (RCAx2)
Video (RCAx1)
HDMI1
Type A Connector
COMPONENT YUV
Video (RCAx3)
AUDIO IN
Audio (RCAx2)
(for YUV, HDMI1)
AUDIO OUT
Audio (RCAx2)
LCD screen:
L5EDD8Q00036
1366 x 768 XGA, 16:9
Visible Diagonal 800mm
Audio Output:
2x10W RMS
8 impedance
Headphones:
3,5mm, 8 Impedance
Accessories
supplied :
Remote Control
2 x R6 (UM3) Batteries
Dimensions:
Height:
Including TV stand
615mm
[525mm]
TV set only
563mm
[473mm]
Net weight:
16kg
Specifications are subject to change without notice.
Weights and dimensions shown are approximate.
ORDER No. PCZ0710126CE
TX-32LE7FA
TX-32LE7LA
TX-32LE7PA
TX-32LE7F/SA
TX-32LE7P/SA
TX-26LE7FA
TX-26LE7LA
TX-26LE7PA
TX-26LE7F/SA
TX-R32LE7A
TX-R26LE7A
1V p-p 75
500mV rms 10k
0,7V p-p 75
Y: 1V p-p 75
C:0,3V p-p 75
1V p-p 75
500mV rms 1k
Y: 1V p-p 75
C:0,286V p-p 75
500mV rms 10k
1V p-p 75
Y:1V p-p 75
±
Pr:
0,35V[ p-p] 75
±
Pb:
0,35V[ p-p] 75
500mV rms 10k
500mV rms 1k
[L5EDD6Q00027]
[660mm]
Width:
Depth:
791mm
239mm
[657mm]
[239mm]
791mm
107mm
[657mm]
[107mm]
[12,5kg]

Advertisement

Table of Contents
loading

Summary of Contents for Panasonic TX-32LE7FA

  • Page 1: Service Manual

    ORDER No. PCZ0710126CE Service Manual Colour LCD Television TX-32LE7FA TX-32LE7LA TX-32LE7PA TX-32LE7F/SA TX-32LE7P/SA TX-26LE7FA TX-26LE7LA TX-26LE7PA TX-26LE7F/SA TX-R32LE7A TX-R26LE7A GLP21MA Chassis Specifications (Information in brackets [ ] refers to model 26´´) Power Source: 220-240V AC, 50Hz AV2 IN Video (21 pin)
  • Page 2: Table Of Contents

    Contents SAFETY PRECAUTIONS ........... 3 BLOCK DIAGRAMS..........12 GENERAL GUIDE LINES........3 PARTS LOCATION........... 15 TOUCH – CURRENT CHECK....... 3 REPLACEMENT PARTS LIST........17 PREVENTION OF ELECTROSTATIC DISCHARGE SCHEMATIC DIAGRAMS ......... 29 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) A-BOARD (1 OF 5) SCHEMATIC DIAGRAM ..30 DEVICES ..............
  • Page 3: 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 4: Prevention Of Electrostatic Discharge

    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 5: 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 6: Service Hints

    Service Hints How to remove the Pedestal assembly Lay the main unit face down. (see Fig.5) Fig.5 Remove the 4 fixing screws and the pedestal assembly. (see Fig.6) SCREWS SCREWS Fig.6 How to remove the backcover Remove the 16 [14] fixing screws. (see Fig.7) SCREWS SCREWS Fig.7...
  • Page 7: Chassis Board Layout

    Chassis Board Layout KEY CONTROL K-BOARD A-BOARD P-BOARD H-BOARD V-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 Location of Lead Wiring To find the Part Number of required wire in Replacement Parts List click on the wire name in red box A13 –...
  • Page 8: Setting Inspection

    Setting Inspection Voltage Confirmation Confirm the following voltages: A board Normal mode Test point Position Voltage Description TP3800 Connector A7, pin 20 13,8V 0,7V STBY12V TP3806 Connector A7, pin 8 23,9V 0,5V SIGNAL24V TP3810 Connector A7, pin 12 23,9V 0,5V AUD24V TP3811 Q3800, +pin...
  • Page 9: 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 STATUS button on the remote control and press the down (-/v) button on the TV set. To exit Self Check, switch off the TV set at the power button. Panasonic 2007LCD Panasonic 2007LCD SW V1.12 SW V1.12...
  • Page 10: 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 Press the RED / GREEN buttons to step up / down through the functions.
  • Page 12: Block Diagrams

    JK3001 CVBS OUT RED/C IN G IN B IN CVBS IN L IN R IN L OUT R OUT CVBS OUT CVBS IN R IN G IN B IN L IN R IN L OUT R OUT JK3002 JK2300 TO LCD PANEL...
  • Page 13 D831 D832 F830 LCF´S LCF´S LCF´S...
  • Page 14 HDMI_AUDIO_MUTE HDMI_HP_MUTE HDMI_SMUTE_INHIBIT AUDIO _MUTE SDA3,3V SCL3,3V FBL2 AV2_QLINK AV2 SLOW EEPROM_SDA WR EN FBL1 AV1_QLINK AV1_SLOW STBY3,3V 3,3V_HDMI SCL_P0 SDA_P0 +5V_HDMI_P0 HPDT_P0 PWM DIM INVERTER ON PANEL SOS SERVICE...
  • Page 15: Parts Location

    Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. (UK)
  • Page 16 NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. [23] [23]...
  • Page 17: Replacement Parts List

    IC3803 C0DBAHC00034 REGULATOR EUR7651030A REMOTE CONTROL IC5000 C0DBFFD00003 1.8V REGULATOR K0RB00500013 KEY BUTTON MODULE IC5001 C3EBDC000067 2KBIT EEPROM TBM4G3017A PANASONIC BADGE IC5003 C1AB00002848 HDMI RECEIVER TKP0E16001 CONNECTOR COVER PC800 B3PAA0000363 PHOTO COUPLER TKZ0E9901 WALL MOUNT METAL PC801 B3PAA0000363 PHOTO COUPLER...
  • Page 18 Cct Ref Parts Number Description Cct Ref Parts Number Description D1062 UDZSTE178.2B DIODE Q1208 2SC584500L TRANSISTOR D1101 MA24D5000B DIODE Q1209 2SC584500L TRANSISTOR D1102 MA24D5000B DIODE Q1212 BC847B TRANSISTOR D1201 MA2J72800L DIODE Q1213 BC857B TRANSISTOR D1700 B0ACCK000005 DIODE Q1214 BC857B TRANSISTOR D3800 USF5G49TE16Q DIODE...
  • Page 19 Cct Ref Parts Number Description Cct Ref Parts Number Description L833 EXCELSA39V COIL R134 ERJ6GEY0R00 S.M.CARB 0.1W L1100 ELJFC2R2KFB COIL R135 ERJ3GEYJ471 0.1W L1101 ELJFC2R2KFB COIL R201 ERJ3GEYJ222 0.1W L1380 J0JHC0000045 COIL BLM18PG121SN1D R202 ERJ3GEYJ473V S.M.CARB 0.1W L1381 ELJPA1R0MF COIL R203 ERJ3GEYJ105 0.1W...
  • Page 20 Cct Ref Parts Number Description Cct Ref Parts Number Description R803 ERDS1FJ224T CARBON 0.5W 220K R1233 ERJ3GEYJ473V S.M.CARB 0.1W R804 ERJ6GEYJ222 S.M.CARB 0.1W R1234 ERJ3GEYJ472 0.1W R808 ERJ6GEYJ563 S.M.CARB 0.1W R1235 ERJ3GEYJ273 0.1W R809 ERJ6GEYJ103 S.M.CARB 0.1W R1236 ERJ6GEYJ472 S.M.CARB 0.1W R1237 ERJ6GEYJ472...
  • Page 21 Cct Ref Parts Number Description Cct Ref Parts Number Description R1517 ERJ3GEYJ101 0.1W R3000 ERJ3GEYJ101 0.1W R1518 ERJ6GEYJ750 S.M.CARB 0.1W R3001 ERJ6GEYJ750 S.M.CARB 0.1W R1521 EXB2HV101JV .063W R3007 ERJ3GEYJ563V S.M.CARB 0.1W R1526 ERJ3GEYJ750 0.1W R3008 ERJ3GEYJ563V S.M.CARB 0.1W R1527 ERJ3GEYJ750 0.1W R3009 ERJ3GEYJ104V...
  • Page 22 Cct Ref Parts Number Description Cct Ref Parts Number Description R3817 ERJ6ENF2201 S.M.CARB 0.1W R5052 ERJ3GEYJ220 0.1W R3818 ERJ6GEYJ105 S.M.CARB 0.1W R5054 ERJ3GEYJ472 0.1W R3819 ERJ6GEYJ122 S.M.CARB 0.1W R5056 ERJ3GEYJ103 0.1W R3820 ERJ6GEYJ273 S.M.CARB 0.1W R5066 ERJ3GEYJ272 0.1W R3821 ERJ6ENF5102V .125W R5067 ERJ3GEYJ272...
  • Page 23 Cct Ref Parts Number Description Cct Ref Parts Number Description C215 ECJ2FB1E224K S.M.CAP 220nF C850 ECA1HM4R7GB ELECT 4.7μF C216 EEUFC1C102SB ELECT 1000μF C877 ECJ2FB1C474K S.M.CAP 470nF C217 ECJ2FB1H104 S.M.CAP 100nF C1052 ECJ2FB0J106M S.M.CAP 6.3V 10μF C218 ECJ2FB1H104 S.M.CAP 100nF C1054 ECJ2VC1H270J S.M.CAP 27pF...
  • Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description C1550 ECJ2FB1C474K S.M.CAP 470nF C3302 ECJ2FB1A105K S.M.CAP 1000nF C1551 ECJ2FB1C474K S.M.CAP 470nF C3303 ECJ2FB1A105K S.M.CAP 1000nF C1554 EEEHB1H3R3R ELECT 3.3μF C3304 ECJ2FB1A105K S.M.CAP 1000nF C1559 ECJ1VB1C104K S.M.CAP 100nF C3305 ECJ1VB1H104 S.M.CAP 100nF C1560...
  • Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description C3831 EEUEB1H100SB ELECT 10μF C5066 F1H1H102A219 CERAMIC C3841 ECJ3YB1E106M S.M.CAP 10μF C5067 F1H1H102A219 CERAMIC C5000 ECJ2FF1C475Z S.M.CAP 4.7μF C5068 ECJ1VB1C104K S.M.CAP 100nF C5001 ECJ1VB1C104K S.M.CAP 100nF C5069 F1H1A1050002 CERAMIC 1μF C5002 ECJ1VC1H101J S.M.CAP...
  • Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description TKZ0E9378 R LCD BOTTOM MTG TKZ0E9377 L LCD BOTTOM MTG TKZ0E9376 L/R LCD MTG MISCELLANEOUS COMPONENTS TKZ0E9411 LCD BOTTOM MTG TKP0E17604 IR WINDOW L5EDD6Q00027 LCD PANEL TPC0E71601 CARTON TKZ0E9328 LCD TOP MTG TPD0E0136 TOP CUSHION TBM0E1108...
  • Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description TKU0E0195 BACK COVER TERMINALS AND LINKS TTY0E0194-2 CABINET A5-SPK TXAJTA5AEOE1 A5 - SP TKZ0E9382 L LCD BOTTOM MTG A6-H2 TXJ/A6AGLE A6-H2 WIRE TKZ0E9380 L LCD MTG A12-H1 TXJ/A12AGLE A12-H1 WIRE TKZ0E9412 LCD BOTTOM MTG L5EDD8Q00036...
  • Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description TQB0E0546P POLISH MISCELLANEOUS COMPONENTS TQB0E0546Q HUNGARIAN TKP0E17602 IR WINDOW TQB0E0546R CZECH TPC0E71601 CARTON TQB0E0546U ENGLISH TPD0E0136 TOP CUSHION I.C.s TPD0E0137-1 BOTTOM CUSHION IC1120 X24C32LE7PA EEPROM TPD0E9096 BOTTOM PAD TERMINALS AND LINKS INSTRUCTION BOOKS A5-SPK TXAJTA5AEOE1...
  • Page 29: 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 ( ) (k=1,000, M=1,000,000) CAPACITORS All capacitors are ceramic 50V unless marked otherwise.
  • Page 43 V-BOARD TNP0EV009 - bottom B DIODE’S D1062 V-BOARD TNP0EV009 - top DIODE’S D1051 IC’S RM1050 A1 PC1060 B-BOARD TNP0EB009 TP’S TP801...

Table of Contents