Panasonic TX-32LED7FM Service Manual
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Service Manual
Specifications
Power Source:
Power Consumption
Stand-by Power Consumption: 1.0W (TV ONLY)
Aerial Impedance:
Receiving System:
Receiving Channels:
Operating Conditions:
Scanning format:
220-240V AC, 50Hz
135W
13W (TV+DVB set to record)
75Ω unbalanced, Coaxial Type
LXD7M
PAL-I
PAL-525/60 (AV only)
DVB (via UHF aerial input)
M.NTSC (AV only)
NTSC (AV only)
LXD7M
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)
Colour LCD Television
TX-32LED7FM
TX-32LXD7M
GLP22M Chassis
LED7FM
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)
LED7FM
VHF E2-E12
VHF A-H (ITALY)
VHF R3-R5
UHF E21-E69
CATV S1-S10 (M1-M10)
CATV S21-S41 (Hyperband)
ORDER No. PCZ0801005CE
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-32LED7FM

  • Page 1 CATV S21-S41 (Hyperband) 0°C ÷ 35°C Operating Conditions: Temperature: Humidity: 20% ÷ 80% RH (non condensing) Scanning format: 480i(60Hz), 480p(60Hz), 576i(50Hz), 576p(50Hz), 720p(60Hz), 720p(50Hz), 1.080i(60Hz), 1.080i(50Hz), 1.080p(60Hz), 1.080p(50Hz) Panasonic CS ( U.K. ) Ltd. WILLOUGHBY ROAD, BRACKNELL, BERKS., RG12 8FT.
  • Page 2 Intermediate Frequency: Video/Audio LXD69A LED7FA 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 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 DG-BOARD V-BOARD G-BOARD Board Name Function DG-Board Global Core, HDMI, IDTV Processor, D/A Converter, AV Connector, Analog tuner, Digital tuner, AV Switch G-Board Side AV Connector P-Board Main Input, Power Supply, Main Switch V-Board Remote Receiver, LED IR, Cats 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: P board Description Test point Position Normal mode Stand by mode Active stand by mode <1V Sub_5V TP861 P4, pin 12,13 5,0V +/- 0,25V 5,0V +/- 0,25V <1V <1V Panel 5/12V TP857 P4, pin 22,23 5V +/- 1V <1V...
  • 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 2007LCD 32led7m.dat:000002 TX-32LED7FM Self Check Complete 18b2 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 6.570 OPTION 1 0c Key Command ADJUST Peaks EEP 02.06.0034 OPTION 2 ea WB-ADJ LSI DATA 0.00.02 OPTION 3 OPTION GenX SOFT 1.00.00 Model ID • GenX EEP 1.02.00 03150000 SRV-TOOL Press the 3/4 button to change the adjustment values or function. GenX 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) Not Use 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 TUNER TU3200 21 10 DG-BOARD (EXCHANGE UNIT) AV1_V AV1_V AV1_VOUT AV1_VO AV1_RED AV1_RED IC3001 AV1_GREEN AV1_GREEN Q4516 Y_IN VIDEO SWITCH AV1_BLUE AV1_BLUE IC4510 (AN15876A) Q4515 PB/C 8,10 AV1_L AV2_V ADV7493BBSTZ AV2_VO Q4514 AV1_LOUT AV1_R AV2_C MAIN_Y_OUT RXA_CN,CP,ON,OP,...
  • Page 19 POWER SUPPLY BLOCK DIAGRAM MAIN IN DG-BOARD P-BOARD F801 SW 801 DG13 LF804 SOUND_15V SOUND_15V LINE IC2010 IC3001 IC2106 IC2301 FILTER D801 3,3V SUB5V DTV9V 9V_HEADER Vout REG AUDIO AUDIO VIDEO PROCESSOR AMPLIFIER SUB_5V SUB_5V SWITCH SOUND15V 12-13 15V_AUDIO 24V_IN DTV9V 3,3V 12-13...
  • Page 20 CONTROL BLOCK DIAGRAM DG - BOARD AV2_SLOW (EXCHANGE UNIT) IC2002 DAC_PD IC4501 IC4504 46,74 AUDIO DAC AV2_FB EEPROM EEPROM AV1_FB AV1_SLOW AV1_SLOW AMUTE SDA0B_5V IC2301 IC4513 IC3001 SCL0B_5V AV1_QLINK DATA CONTROL LEVEL SOUND_SOS AUDIO AMP HDMI1 IC4510 VIDEO_STATUS VIDEO SWITCH Q2301 TRANSLATING ADV7493B...
  • 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.
  • Page 23: Replacement Parts List

    SCREW EUR7651110 REMOTE CONTROL XTW3+12TFJ SCREW K0RB00500023 KEY BUTTON MODULE XYN4+F10FJ SCREW L5EDD8Q00037 LCD PANEL J0KG00000100 FERRITE CORE TBM4G3017A PANASONIC BADGE FK304 TEWA293 GASKET (15X24X14) TKP0E16001 CONNECTOR COVER TKP0E17101 AV3 BRACKET I.C.s TKP0E24401 HDMI COVER IC801 C0DABZZ00012 MAIN PS CONTROL...
  • Page 24 Cct Ref Parts Number Description Cct Ref Parts Number Description IC5660 C0EBM0000026 RESET IC D1100 MA3X704A0L DIODE MA704ATX IC5670 C0CBCBC00190 REGULATOR D1102 MA3X704A0L DIODE MA704ATX IC5671 C0EBF0000376 RESET IC D1107 MA3X704A0L DIODE MA704ATX IC8001 MN2WS0039AA PEAKS LITE 2 D1112 MA2J72800L DIODE IC8002 C3ABRY000015...
  • Page 25 Cct Ref Parts Number Description Cct Ref Parts Number Description D3872 MA22F2000L DIODE Q1007 2SD0601ASL TRANSISTOR D4501 EZAEG2A50AX ESD SUPPRESSOR Q1009 2SD0601ASL TRANSISTOR D4503 EZAEG2A50AX ESD SUPPRESSOR Q1010 2SD0601ASL TRANSISTOR D4505 EZAEG2A50AX ESD SUPPRESSOR Q1107 2SD0601ASL TRANSISTOR D4507 EZAEG2A50AX ESD SUPPRESSOR Q1108 2SD0601ASL TRANSISTOR...
  • Page 26 Cct Ref Parts Number Description Cct Ref Parts Number Description Q4802 2SC39380QL TRANSISTOR L3211 J0JGC0000021 COIL Q4803 2SD0601ASL TRANSISTOR L3700 J0JCC0000100 INDUCTOR Q5521 2SA207700L TRANSISTOR L3701 J0JCC0000100 INDUCTOR Q5522 2SA207700L TRANSISTOR L3702 J0JCC0000364 INDUCTOR Q5523 2SD0601ASL TRANSISTOR L3703 J0JCC0000364 INDUCTOR Q5524 2SD0601ASL TRANSISTOR...
  • Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description 270K Ω LF804 G0B353GA0043 LINE FILTER R828 ERD25TJ274 CARBON 0.25W 330K Ω R829 ERD25TJ334 CARBON 0.25W CRYSTALS 1M Ω R830 ERDS2TJ105T CARBON 0.25W X1100 H0J100500035 CRYSTAL 1M Ω R831 ERDS2TJ105T CARBON 0.25W X2010...
  • Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description 680 Ω 47K Ω R1006 ERJ3GEYJ681V 0.1W R1222 ERJ2GEJ473X .063W 3K3 Ω 47K Ω R1007 ERJ3GEYJ332 0.1W R1223 ERJ2GEJ473X .063W 47K Ω 47K Ω R1008 ERJ3GEYJ473V S.M.CARB 0.1W R1226 ERJ2GEJ473X .063W 47K Ω...
  • Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description 12K Ω 100 Ω R2075 ERJ3GEYJ123 0.1W R2184 ERJ6GEYJ101 S.M.CARB 0.1W 4K7 Ω 100 Ω R2084 ERJ3GEYJ472 0.1W R2185 ERJ6GEYJ101 S.M.CARB 0.1W 560 Ω 82K Ω R2085 ERJ3GEYJ561 0.1W R2186 ERJ3GEYJ823 0.1W 470 Ω...
  • Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description 1K Ω 220 Ω R2861 ERJ2GEJ102X .063W R3130 ERJ3GEYJ221 0.1W 1K Ω 220 Ω R2863 ERJ2GEJ102X .063W R3131 ERJ3GEYJ221 0.1W 1K Ω 47K Ω R2864 ERJ2GEJ102X .063W R3133 ERJ2GEJ473X .063W 10K Ω...
  • Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description 1K Ω 22 Ω R3878 ERJ3GEYJ102 0.1W R4565 ERJ2GEJ220X .063W 2K Ω 100 Ω R3879 ERJ6RBD202V 0.1W R4585 ERJ2GEJ101X .063W 56K Ω 820 Ω R3880 ERJ3GEYJ563V S.M.CARB 0.1W R4587 ERJ3EKF8200V 0.1W 6K2 Ω...
  • Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description 1K Ω 0 Ω R4809 ERJ2GEJ102X .063W R5670 ERJ2GE0R00X .063W 10K Ω 18K Ω R4810 ERJ2GEJ103X .063W R5671 ERJ2GEJ183X .063W 10K Ω 0 Ω R4811 ERJ2GEJ103X .063W R5672 ERJ2GE0R00X .063W 10K Ω...
  • Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description 220 Ω 10K Ω R8097 ERJ2GEJ221X .063W R8450 ERJ2GEJ103X .063W 10K Ω 68 Ω R8098 ERJ2GEJ103X .063W R8451 EXB28V680JX .031W 10K Ω 68 Ω R8099 ERJ2GEJ103X .063W R8452 ERJ2GEJ680X .063W 47 Ω...
  • Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description 10K Ω 10K Ω R8745 ERJ2GEJ103X .063W R8905 ERJ2GEJ103X .063W 10K Ω 10K Ω R8746 ERJ2GEJ103X .063W R8906 ERJ2GEJ103X .063W 10K Ω 10K Ω R8749 ERJ2GEJ103X .063W R8907 ERJ2GEJ103X .063W 10K Ω...
  • Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description C854 ECQV1H474JZ FILM 470nF C2088 ECJ2FB1C475K 4700nF C858 ECJ3YB1E106M S.M.CAP 10µF C2089 F1H1H5610007 S.M.CAP 560pF C859 EEUFM1V102B ELECT 1000µF C2091 ECJ1VC1H100D S.M.CAP 10pF C860 EEUFM1V102B ELECT 1000µF C2092 F1G1H220A565 S.M.CAP 22pF C861 ECJ2FB1C105K...
  • Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C2173 ECJ2FB1C475K 4700nF C2349 ECJ1VB1H104 S.M.CAP 100nF C2174 F1H1A1050028 CERAMIC 1µF C2352 ECJ1VB1C105K 1000nF C2175 F2G1C470A022 ELECT 47µF C2353 ECJ1VB1H104 S.M.CAP 100nF C2176 F1H1H103A219 CERAMIC 10nF C2354 EEEHB1C221UP ELECT 220µF C2179 F2G1C470A022 ELECT...
  • Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C3279 F1G1E1030005 S.M.CAP 10nF C4547 F1G1C104A081 S.M.CAP 100nF C3280 F1G1H101A565 S.M.CAP 100pF C4548 F1G1C104A081 S.M.CAP 100nF C3281 F1G1C104A081 S.M.CAP 100nF C4549 F1G1C104A081 S.M.CAP 100nF C3700 ECJ2VC1H561J S.M.CAP 560pF C4550 F1G1C104A081 S.M.CAP 100nF C3702...
  • Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description C4801 F1G1C104A081 S.M.CAP 100nF C8007 F1G1C104A081 S.M.CAP 100nF C4802 F2G0J220A019 ELECT 6.3V 22µF C8008 F1G1C104A081 S.M.CAP 100nF C4803 F1G1E103A059 S.M.CAP 10nF C8009 F1J1A106A043 CERAMIC 10µF C4804 F2G1C470A022 ELECT 47µF C8010 F1J1A106A043 CERAMIC 10µF...
  • Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description C8309 F1G1C104A081 S.M.CAP 100nF K1KA15AA0194 15P CONNECTOR C8310 EEEHB1C101UP ELECT 100µF JK2002 K2HA204A0053 AUDIO TERMINAL C8311 F1H1H1500009 15pF JK3002 K1FB121A0010 SCART SOCKET C8312 F1H1H1200004 S.M.CAP 12pF JK3003 K1FB121A0010 SCART SOCKET C8313 F1G1E1030005 S.M.CAP...
  • Page 40: 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 62: Conductor Views

    Conductor Views DG-BOARD TNP8EDG81 - top TRAN’S Q8401 D2637 Q2002 Q8402 D3003 Q2003 D3004 Q2004 IC’S D3008 Q2005 IC1100 D3009 Q2006 IC1101 D3010 Q2007 IC2008 D3011 Q2031 IC2012 D3012 Q2635 IC2106 D3013 Q2638 IC2107 D3014 Q3027 IC2301 D3027 Q3031 IC3001 D3028 Q3032 IC4500...
  • Page 63 DG-BOARD TNP8EDG81 - bottom IC’S Q2034 D2638 IC2002 Q2035 D3005 IC2006 Q2039 D3025 IC2010 Q2040 D3039 IC2011 Q2041 D3041 IC2013 Q2101 D3042 IC2303 Q2102 D3043 IC2610 Q2301 D4515 IC3101 Q2636 D4517 IC4504 Q2637 D4520 IC4507 Q2639 D4526 IC4508 Q2640 D4527 IC4509 Q2641 D4528...
  • Page 64 P-BOARD TNP8EPL80 - top IC’S IC801 IC802 IC3850 IC3851 IC3852 IC3853 DIODE’S D801 D802 D804 D807 D810 D814 D816 D818 D828 D829 D830 D851 D854 TRAN’S Q812 Q3850...
  • Page 65 P-BOARD TNP8EPL80 - bottom IC’S TRAN’S IC851 Q3852 IC3854 Q3853 IC3855 Q3854 Q3855 DIODE’S Q3856 D803 Q3857 D805 Q3858 D806 Q3859 D808 Q3860 D809 Q3863 D811 Q3864 D813 Q3865 D817 Q3866 D820 Q3867 D821 Q3868 D822 Q3869 D823 Q3870 D824 Q3871 D826 Q802...
  • Page 66 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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