Panasonic TX-32LED7F Service Manual

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Service Manual
Specifications
(Informations in brackets [ ] refers to model 26")
Power Source:
Power Consumption
Stand-by Power Consumption: 1.0W (TV ONLY)
Aerial Impedance:
Receiving System:
Receiving Channels:
Operating Conditions:
Scanning format:
Intermediate Frequency:
Video/Audio
Video
Audio
Colour
220-240V AC, 50Hz
115W [100W]
13W (TV+DVB set to record)
75Ω unbalanced, Coaxial Type
LXD7
PAL-I,
PAL-525/60 (AV only)
DVB (via UHF aerial input)
M.NTSC (AV only)
NTSC (AV only)
LXD7
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)
LXD7
LED7F
38,9MHz
38,9MHz, 33,9MHz
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)
34,47MHz
34,47MHz (PAL)
34,5MHz, 34,65MHz (SECAM)
38,3MHz, 38,15MHz (SECAM L')
Colour LCD Television
GLP22 Chassis
LED7F
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)
LED7F
VHF E2-E12
VHF A-H (ITALY)
VHF R3-R5
UHF E21-E69
CATV S1-S10 (M1-M10)
CATV S21-S41 (Hyperband)
ORDER No. PCZ0704032CE
TX-32LXD7
TX-32LED7F
TX-26LXD7
TX-26LED7F
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.

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Table of Contents
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Summary of Contents for Panasonic TX-32LED7F

  • Page 1 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’) Panasonic CS ( U.K. ) Ltd. WILLOUGHBY ROAD, BRACKNELL, BERKS., RG12 8FT.
  • 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...
  • 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 Note:...
  • Page 8: Service Hints

    Service Hints How to remove the backcover Remove the 18[16] 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 P-BOARD AP-BOARD DG-BOARD H-BOARD V-BOARD G-BOARD Board Name Function AP-Board Power Supply Regulator DG-Board Global Core, HDMI, IDTV Processor, D/A Converter G-Board Side AV Connector H-Board AV Connector, TV tuner, AV Switch P-Board Main Input, Power Supply, Main Switch V-Board Remote Receiver, LED IR, Cats Setting Inspection...
  • Page 10: 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 2007LCD 26led70.dat:000009 TX-26LXD7 Self Check Complete...
  • Page 11: 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 12: 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 13: Service

    SERVICE SERVICE Peaks SOFT 2.020 OPTION 1 0c Key Command ADJUST Peaks EEP 02.00.0015 OPTION 2 ea WB-ADJ LSI DATA 0.00.55 OPTION 3 OPTION GenX SOFT 1.00.00 Model ID • GenX EEP 1.02.00 030a0000 SRV-TOOL Press the 3/4 button to change the adjustment values or function. GenX ROMCOR 1.01.00 00000002...
  • Page 14: Option Bytes 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) Not Use Not Use...
  • Page 15: 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 16: Wiring Diagram

    Wiring diagram...
  • Page 17: Block Diagrams

    Video & Stereo Audio Block Diagram TUNER TU3200 21 10 H-BOARD DG-BOARD (EXCHANGE UNIT) AV1_V AV1_V AV1_VOUT AV1_VO AV1_RED AV1_RED IC3001 AV1_GREEN AV1_GREEN Y_IN Q4516 VIDEO SWITCH AV1_BLUE AV1_BLUE (AN15876A) Q4515 PB/C 8,10 AV1_L AV2_V AV2_VO Q4514 16,17,18,24-33, AV1_LOUT MAIN_Y_OUT MAIN_Y/CVBS 38-48,51-53,55, AV2_C...
  • Page 18 Power Supply Block Diagram MAIN IN H-BOARD AP-BOARD P-BOARD IC2010 5V_STBY IC3001 IC2106 IC3805 IC3804 IC2301 3,3V SUB5V F801 SW 801 Vout REG AUDIO VIDEO AUDIO LF804 LF802 AMPLIFIER PROCESSOR SWITCH MAIN_9V MAIN_9V SOUND15V LINE LINE DTV9V 3,3V 26, 27, 32, 35, 40, 41 6, 25, 45, 69 IC2008 SUB_9V...
  • Page 19 Control Block Diagram DG - BOARD H - BOARD AUDIO_MUTE (EXCHANGE UNIT) IC2002 IC4501 AV2_SLOW IC4504 DAC_PD AUDIO DAC EEPROM EEPROM 46,74 SCL0B AV3_FB AV1_SLOW AV1_FB SDA0B AMUTE IC3001 IC2301 IC4513 AV1_SLOW AUDIO_XRST VIDEO SWITCH AV1_QLINK HDMI1 SDA0B_5V AUDIO AMP LEVEL SOUND_SOS IC4510...
  • Page 20: 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 21 NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. [33] [42] [35] [35] [40] [31]...
  • Page 22: Replacement Parts List

    SPEAKER IC2002 C0FBBY000027 AUDIO DAC K0RB00500008 KEY BUTTOM MODULE IC2006 C0JBAZ002261 BUFFER K1ZZ00001424 80P CONNECTOR COVER IC2008 C0CBCBE00001 REGULATOR TBM4G3017A PANASONIC BADGE IC2010 C0CBCBC00190 REGULATOR TKP0E16001 CONNECTOR COVER IC2011 C0ABBB000230 OPERATIONAL AMPLIFIER TKP0E17101 AV3 BRACKET IC2012 C1BB00000947 AUDIO AMPLIFIER TKP0E17201...
  • Page 23 Cct Ref Parts Number Description Cct Ref Parts Number Description IC8401 C0JBAZ002800 BUS BUFFER D859 MAZ81600HL ZENER DIODE IC8402 C0JBAZ002692 BUS BUFFER D861 MA2J11100L DIODE IC8403 C0ZBZ0001333 IC SWITCH D1001 B3CKE0000007 DIODE IC8404 C0JBAZ002692 BUS BUFFER D1002 B3ACA0000272 DIODE IC8405 C0JBAZ002692 BUS BUFFER D1100...
  • Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description D3819 MA24D5000B DIODE Q2002 2SC584500L TRANSISTOR D3820 MAZ81800ML DIODE Q2003 2SC584500L TRANSISTOR D3821 MA22F2000L DIODE Q2004 2SC584500L TRANSISTOR D3822 SD83304TE12R DIODE Q2005 2SC584500L TRANSISTOR D3823 MAZ81800ML DIODE Q2006 2SC584500L TRANSISTOR D3824 MA2J11100L DIODE...
  • Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description Q8401 2SD0601ASL TRANSISTOR L4511 J0JHC0000078 COIL Q8402 2SD0601ASL TRANSISTOR L4512 J0JCC0000077 COIL TRANSFORMERS L4516 J0JHC0000078 COIL L4517 J0JHC0000078 COIL T801 ETS35LZ126AD TRANSFORMER L4518 J0JHC0000078 COIL T802 ETS27BE1E9AD TRANSFORMER L4520 J0JHC0000078 COIL COILS L4521...
  • Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description 0 Ω 330K Ω JS2031 ERJ3GEY0R00 0.1W R829 ERD25TJ334 CARBON 0.25W 0 Ω 1M Ω JS2032 ERJ3GEY0R00 0.1W R830 ERDS2TJ105T CARBON 0.25W 0 Ω 1M Ω JS2046 ERJ3GEY0R00 0.1W R831 ERDS2TJ105T CARBON 0.25W...
  • Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description 100 Ω 47K Ω R1106 ERJ2GEJ101X .063W R1245 ERJ2GEJ473X .063W 100 Ω 47K Ω R1107 ERJ2GEJ101X .063W R1246 ERJ2GEJ473X .063W 100 Ω 47K Ω R1108 ERJ2GEJ101X .063W R1247 ERJ2GEJ473X .063W 100 Ω...
  • Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description 330 Ω 10K Ω R2102 ERJ3GEYJ331 0.1W R2208 ERJ3GEYJ103 0.1W 2K Ω 10K Ω R2104 ERJ3EKF2001V 0.1W R2209 ERJ3GEYJ103 0.1W 10K Ω 10K Ω R2110 ERJ3GEYJ103 0.1W R2210 ERJ3GEYJ103 0.1W 100 Ω...
  • Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description 10K Ω 47 Ω R2865 ERJ3GEYJ103 0.1W R3123 ERJ3GEYJ470 0.1W 2K2 Ω 220 Ω R2866 ERJ3GEYJ222 0.1W R3130 ERJ3GEYJ221 0.1W 82K Ω 220 Ω R2867 ERJ6ENF8202V .125W R3131 ERJ3GEYJ221 0.1W 16K Ω...
  • Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description R56 Ω 3K Ω R3816 ERJ12RQJR56U 0.5W R4283 ERJ2GEJ302X .063W R56 Ω 10K Ω R3817 ERJ12RQJR56U 0.5W R4284 ERJ2GEJ103X .063W 22K Ω 47K Ω R3818 ERJ3GEYJ223V S.M.CARB 0.1W R4286 ERJ2GEJ473X .063W 47K Ω...
  • Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description 22 Ω 10K Ω R4614 ERJ2GEJ220X .063W R4808 ERJ2GEJ103X .063W 160 Ω 1K Ω R4615 ERJ3EKF1600V 0.1W R4809 ERJ2GEJ102X .063W 100 Ω 10K Ω R4622 ERJ2GEJ101X .063W R4810 ERJ2GEJ103X .063W 1K69 Ω...
  • Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description 1K Ω 100 Ω R5695 ERJ3GEYJ102 0.1W R8303 ERJ2GEJ101X .063W 10K Ω 100 Ω R5696 ERJ3GEYJ103 0.1W R8304 ERJ2GEJ101X .063W 10K Ω 22K Ω R5697 ERJ3GEYJ103 0.1W R8305 ERJ2GEJ223X .063W 47K Ω...
  • Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description 68 Ω 68 Ω R8461 ERJ2GEJ680X .063W R8738 ERJ2GEJ680X .063W 150 Ω 68 Ω R8463 EXB28V151JX .031W R8739 ERJ2GEJ680X .063W 10K Ω 10K Ω R8465 ERJ2GEJ103X .063W R8742 ERJ2GEJ103X .063W 10K Ω...
  • Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description 0 Ω R8896 ERJ2GE0R00X .063W C834 ECWF6223HLB FILM 630V 22nF 0 Ω R8897 ERJ2GE0R00X .063W C835 ECUV1H331KBN S.M.CAP 330pF 10K Ω R8898 ERJ2GEJ103X .063W C836 ECKC3D271JB CERAMIC 270pF 10K Ω R8899 ERJ2GEJ103X .063W...
  • Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C2089 F1H1H5610007 S.M.CAP 560pF C2179 F2G1C470A022 ELECT 47µF C2091 ECJ1VC1H100D S.M.CAP 10pF C2180 F1H1A1050028 CERAMIC 1µF C2092 F1H1H2200008 S.M.CAP 22pF C2183 F1J1A106A043 CERAMIC 10µF C2096 ECJ1VB1H104 S.M.CAP 100nF C2184 F1H1H102A219 CERAMIC C2097 ECJ1VB1H104...
  • Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C2353 ECJ1VB1H104 S.M.CAP 100nF C3230 ECJ1VB1H104 S.M.CAP 100nF C2355 ECJ1VB1H104 S.M.CAP 100nF C3263 ECJ1VB1H104 S.M.CAP 100nF C2357 ECJ1VB1H104 S.M.CAP 100nF C3265 ECJ1VB1H104 S.M.CAP 100nF C2359 ECJ1VB1H104 S.M.CAP 100nF C3266 ECJ1VB1H104 S.M.CAP 100nF C2361...
  • Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C3850 F2G1C470A022 ELECT 47µF C4581 F1H1A1050028 CERAMIC 1µF C3851 F2G1C470A022 ELECT 47µF C4582 F1G1C104A081 S.M.CAP 100nF C3852 F2G1C100A022 ELECT 10µF C4583 F1G1C104A081 S.M.CAP 100nF C3853 ECUV1E104ZFX S.M.CAP 100nF C4584 F1H1A1050028 CERAMIC 1µF C3854...
  • Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description C5623 F1G1H471A459 S.M.CAP 470pF C8028 F1G1C104A081 S.M.CAP 100nF C5624 F1G1H221A459 S.M.CAP 220pF C8029 F1G1C104A081 S.M.CAP 100nF C5625 F1G1E1030005 S.M.CAP 10nF C8030 F1H0J1050012 S.M.CAP 6.3V 1000nF C5626 F1G1C104A081 S.M.CAP 100nF C8031 F1H0J1050012 S.M.CAP 6.3V...
  • Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description C8334 F1G1E1030005 S.M.CAP 10nF K1KB15AA0032 15P CONNECTOR C8335 F1G1E1030005 S.M.CAP 10nF K1KA08AA0192 8P CONNECTOR C8336 F1G1E1030005 S.M.CAP 10nF P6-INV TXJP6AGTE1 P6-INV WIRE C8338 F1G1H220A565 S.M.CAP 22pF TNR-TNR TXJTNR0AGXE TUNER TO TUNER C8339 F1G1H220A565 S.M.CAP...
  • Page 40 Cct Ref Parts Number Description Cct Ref Parts Number Description CARTON TPC0E71601 CARTON BOTCUS TPD0E0147 BOTTOM CUSHION TOPCUS TPD0E0138 TOP CUSHION CARTON TPC0E72001 CARTON INSTRUCTION BOOKS TOPCUS TPD0E0146 TOP CUSHION INSTRUCTION BOOKS TQB0E0361 ENGLISH I.C.s TQB0E0361 ENGLISH I.C.s IC8554 TVRP375-2 16MB FLASH IC8601 X24C26LXD7...
  • Page 41: 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 63: Conductor Views

    Conductor Views H-BOARD TNPA4291 - top TRAN’S D2028 D3044 Q2015 D2029 Q2016 D2031 IC’S Q2017 D2032 E6 IC2002 Q2021 D2033 E6 IC2006 Q2031 D2034 E6 IC2008 Q2033 D2119 A5 IC2010 Q2034 D2200 B3 IC2011 Q2035 D2301 B4 IC2012 Q2039 D2302 A4 IC2013 Q2040 D2303...
  • Page 64 H-BOARD TNPA4291 - bottom TRAN’S TP’S TP615 Q2002 TP012 TP616 Q2003 TP014 TP617 Q2004 TP015 TP3001 E5 Q2005 TP016 TP3002 E5 Q2006 TP017 TP3003 E5 Q2007 TP018 TP3004 E5 Q3027 TP019 TP3005 E5 Q3028 TP020 TP3006 E5 Q3200 TP021 TP3007 E5 TP022 TP3008 E5 DIODE’S...
  • Page 65 DG-BOARD TNPA4293 - top TRAN’S IC4510 Q4504 IC5660 Q5600 IC5671 Q5601 IC8001 Q5602 IC8002 Q5603 IC8003 Q5604 IC8302 Q5690 IC8401 Q5691 IC8402 Q5692 IC8403 Q5693 IC8404 Q8401 IC8405 Q8402 IC8406 IC8407 IC’S IC8554 IC1100 IC8621 IC1101 C1 IC8622...
  • Page 66 DG-BOARD TNPA4293 - bottom TRAN’S IC8301 A5 TP4801 D1 Q1107 IC8408 TP4802 C1 Q1108 IC8409 TP4803 D1 Q4200 IC8601 TP4804 C1 Q4201 TP4805 C1 TP’S Q4501 TP4806 D1 Q4503 TP1100 C6 TP4807 D1 Q4514 TP1101 C6 TP4808 C1 Q4515 TP1102 C6 TP4809 D1 Q4516 TP1103 A6...
  • Page 67 P-BOARD TNP8EPL60 TRAN’S D806 D851 Q802 B2 D807 D852 Q803 B3 D808 D853 Q804 A3 D809 D854 Q805 A2 D810 D856 Q807 A5 D811 D857 Q808 B4 D813 D858 Q809 B2 D814 D859 Q810 B4 D816 D861 Q811 B4 D817 Q812 B5 D818 IC’S...
  • Page 68 AP-BOARD TNP8EAP60 - top TRAN’S Q3811 IC3804 D3809 D3821 Q3801 Q3812 IC3805 D3810 D3822 Q3802 Q3813 IC3806 D3811 D3823 Q3803 Q3814 D3813 D3824 Q3805 Q3817 DIODE’S D3814 D3825 Q3806 D3801 D3815 D3826 Q3807 IC’S D3804 D3816 D3827 Q3808 IC3801 D3805 D3818 D3828 Q3809...
  • Page 69 V-BOARD TNP8EVL60 - top TRAN’S Q1002 Q1004 Q1006 Q1007 Q1009 Q1010 DIODE’S D1001 D1002 IC’S RM1001 A2 PC1001 A2 V-BOARD TNP8EVL60 - bottom TP’S TP1001 A2 TP1002 A2 TP1003 A2 TP1004 A2 TP1005 A2 TP1006 A2 TP1007 A2 TP1008 A2...

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