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Panasonic TX-R32LX80K Service Manual
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Panasonic TX-R32LX80K Service Manual

Lh80 chassis
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Specifications
Power Source :
Power Consumption
Average Use
Standby condition
Display panel
Aspect Ratio
Visible screen size
(No. of pixels)
Sound
Speaker
Audio Output
Headphones
PC signals
Receiving Systems / Band name
TX-R32LX80K
LH80 Chassis
AC SINGLE 220-240 V, 50/60 Hz
138 W
1.0 W
16:9
698 mm (W) × 392 mm (H)
1,049,088 (1,366 (W) × 768 (H))
Full range × 2 pcs, 8 Ω
20 W (10 W + 10 W), 10% THD
M3 (3.5 mm) Jack × 1
VGA, SVGA, XGA, WVGA, WXGA
Vertical scanning frequency 60 Hz
SYSTEMS
———————————————————————————————————————
1
PAL B, G, H
2
PAL I
3
PAL D, K
4
SECAM B, G
5
SECAM D, K
6
SECAM K1
7
NTSC M (NTSC 3.58 / 4.5 MHz)
———————————————————————————————————————
8
NTSC 4.43 / 5.5 MHz
9
NTSC 4.43 / 6.0 MHz
ORDER NO. MTV0801618CE
FUNCTIONS
Reception
of broadcast
transmission and
playback from
video cassette tape
recorders.
Playback from
special VCR's or DVD.
© 2008 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
Unauthorized
distribution is a violation of law.
LCD TV
copying
and

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Summary of Contents for Panasonic TX-R32LX80K

  • Page 1 ORDER NO. MTV0801618CE LCD TV TX-R32LX80K LH80 Chassis Specifications Power Source : AC SINGLE 220-240 V, 50/60 Hz Power Consumption Average Use 138 W Standby condition 1.0 W Display panel Aspect Ratio 16:9 Visible screen size 698 mm (W) × 392 mm (H) (No.

  • Page 2: Table Of Contents

    TX-R32LX80K 10 NTSC 4.43 / 6.5 MHz 11 NTSC 3.58 / 5.5 MHz Playback from special VCR’s or DVD. 12 NTSC 3.58 / 6.0 MHz 13 NTSC 3.58 / 6.5 MHz 14 SECAM I ——————————————————————————————————————— 15 PAL 60 Hz / 5.5 MHz...
  • Page 3 TX-R32LX80K 7.2. AC Code dressing for 3-Pin 10.1. A-Board 7.3. Chassis Rail Installation 10.2. A-Board 7.4. VESA Bracket Installation 11 Schematic Diagram 7.5. Pedestal Assembly Preparation 11.1. Schematic Diagram Notes 7.6. LED Panel Installation 11.2. A Board 7.7. LCD Panel Assembly Installation 11.3.

  • Page 4: Safety Precautions

    TX-R32LX80K 1 Safety Precautions 1.1. General Guidelines 1. 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. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 5: Prevention Of Electro Static Discharge (Esd) To

    TX-R32LX80K 2 Prevention of Electro Static 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)

    TX-R32LX80K 3 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 (PbF) used in our manufacturing process and discussed below is (Sn+Ag+Cu).

  • Page 7: Self Check Function

    TX-R32LX80K 4 Self Check Function 4.1. Self Check 1. Self Check is used to automatically check the bus lines and hexadecimal codes of the TV set. 2. To get into the Self Check mode, press the “DOWN” button on the customer’s controls at the front of the set, at the same time pressing the “MENU”...

  • Page 8: Chassis Board

    TX-R32LX80K 5 Chassis Board 5.1. Chassis Installation 1. Fix 12 screws to ‘A-board’ and ‘P-board’. Tightening torque should be 50 Ncm to 80 Ncm (5 kgf cm to 8 kgf cm). 2. Fix connectors G1, G2 and G3 to AT G-board.

  • Page 9: Location Of Lead Wiring

    TX-R32LX80K 6 Location of Lead Wiring 6.1. Wire Dressing = FELT-TMK4G215 = 7 pcs 6.2. Wire Dressing and Connections CONNECTION CN 2 ~ P 2 A 2 ~ P 4 A 1 ~ P 3 CN 2 ~ A 6...

  • Page 10: Disassembly For Service

    TX-R32LX80K 7 Disassembly for Service 7.1. AC Code dressing for 2-Pin 7.2. AC Code dressing for 3-Pin...

  • Page 11: Chassis Rail Installation

    TX-R32LX80K 7.3. Chassis Rail Installation 1. Put on the bottom mounting and fix with 4 screws. Tightening torque should be 100 N cm - 130 N cm (10 kgf cm to 13 kgf cm). 2. Stick sponges at chassis rails no.1 and no.3.

  • Page 12: Vesa Bracket Installation

    TX-R32LX80K 7.4. VESA Bracket Installation 1. Stick 2 pieces of felt on each part of the VESA bracket. 2. Fix 4 screws to VESA bracket. Tightening torque should be 100 Ncm to 130 Ncm (10 kgf cm to 13 kgf cm).

  • Page 13: Pedestal Assembly Preparation

    TX-R32LX80K 7.5. Pedestal Assembly Preparation 7.5.1. Pedestal Rotation Base...
  • Page 14 TX-R32LX80K 7.5.2. Pedestal Stand Base 7.5.3. Pedestal Stand Cover...

  • Page 15: Led Panel Installation

    TX-R32LX80K 7.6. LED Panel Installation 1. Put PCB to LED panel and ensure hook is properly locked on the PCB. 2. Fix LED panel to cabinet with 3 screws. Tightening torgue should be 0.5 N m ~ 0.8 N m (5 to 8 kgf cm).

  • Page 16: Lcd Panel Assembly Installation

    TX-R32LX80K 7.7. LCD Panel Assembly Installation 1. Put LCD panel to cabinet assembly. 2. Put LCD top mounting, LCD bottom mounting and LCD side mounting to cabinet assembly. 3. Fix screw into LCD top mounting, LCD side mounting and LCD bottom mounting.

  • Page 17: Service Mode Adjustment

    TX-R32LX80K 8 Service Mode Adjustment Set channel 99, then set the timer to 30 min. Press the “RECALL” button on the remote control and the “-” button on the LCD panel. 8.1. SERVICE 1 1. Press the red button (on the remote control) for adjustment below.
  • Page 18 TX-R32LX80K...

  • Page 19: Adjustment

    TX-R32LX80K 9 Adjustment 9.1. Voltage Chart of A Board Power Name Test point Specification STANDBY MAIN_5 V TP1823 5.0 ± 0.25 V PANEL_12 V TP1815 12.0 ± 0.50 V BT_30 V TP1820 30.0 V ± 2.0 V 24 V TP1818 24.0 ±...

  • Page 20: Conductor Views

    TX-R32LX80K 10 Conductor Views 10.1. A-Board A-Board (A Side) TNP4G431 Parts Location A-Board A-Board A-Board A-Board IC4006 IC5004 IC4001 IC2005 IC1804 IC5005 IC4005 IC2001 IC1805 IC1102 IC1803 IC5003 IC4004 IC3860...
  • Page 21 TX-R32LX80K 10.2. A-Board A-Board (B Side) TNP4G431 Parts Location A-Board IC5002 IC5001 IC4003...
  • Page 22 TX-R32LX80K 11 Schematic Diagram 11.1. Schematic Diagram Notes Notes : 1. Resistor Unit of resistance is OHM [Ω] (K = 1 000, M = 1 000 000). 2. Capacitor Unit of capacitance is µF unless otherwise noted. 3. Coil Unit of inductance is µF unless otherwise noted.
  • Page 23 TX-R32LX80K 11.2. A Board 11.2.1. A Board (1 / 10) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 24 TX-R32LX80K 11.2.2. A Board (2 / 10) <1A> <1B> <2A> <3A> <4A> <5A> <6A> <7A> <2B> <3B> <8A> <4B> <9A>...
  • Page 25 TX-R32LX80K 11.2.3. A Board (3 / 10) <1B> <1C> <2C> <3C> <4C> <2B> <5C> <6C> <3B> <4B> <7C>...
  • Page 26 TX-R32LX80K 11.2.4. A Board (4 / 10) <1C> <1D> <2D> <2C> <3D> <4D> <3C> <5D> <4C> <5C> <6D> <6C> <7D> <7C>...
  • Page 27 TX-R32LX80K 11.2.5. A Board (5 / 10) <1D> <1E> <2D> <2E> <3E> <4E> <3D> <5E> <4D> <6E> <5D> <7E> <8E> <6D> <7D> <9E>...
  • Page 28 TX-R32LX80K 11.2.6. A Board (6 / 10) <1E> <1F> <2F> <2E> <3E> <3F> <4E> <5E> <6E> <7E> <8E> <4F> <5F> <9E>...
  • Page 29 TX-R32LX80K 11.2.7. A Board (7 / 10) <1F> <2F> <1G> <3F> <2G> <4F> <3G> <5F> <4G>...
  • Page 30 TX-R32LX80K 11.2.8. A Board (8 / 10) <1H> <1G> <2H> <3H> <2G> <4H> <5H> <3G> <6H> <4G> <7H>...
  • Page 31 TX-R32LX80K 11.2.9. A Board (9 / 10) <1I> <1H> <2H> <3H> <2I> <3I> <4H> <4I> <5H> <6H> <5I> <7H> <6I>...
  • Page 32 TX-R32LX80K 11.2.10. A Board (10 / 10) <1I> <2I> <3I> <4I> <5I> <6I>...
  • Page 33 TX-R32LX80K 11.3. G Board 11.3.1. G Board (1 / 2) <1A> <2A> <3A>...
  • Page 34 TX-R32LX80K 11.3.2. G Board (2 / 2) <1A> <2A> <3A>...
  • Page 35 TX-R32LX80K 11.4. K Board 11.4.1. K Board (1 / 1)
  • Page 36 TX-R32LX80K 11.5. P Board 11.5.1. P Board (1 / 4) <1A> <2A> <3A> <4A> <5A>...
  • Page 37 TX-R32LX80K 11.5.2. P Board (2 / 4) <1A> <1B> <2A> <2B> <3B> <3A> <4A> <4B> <5A>...
  • Page 38 TX-R32LX80K 11.5.3. P Board (3 / 4) <1B> <1C> <2C> <3C> <4C> <2B> <5C> <3B> <6C> <7C> <8C> <9C> <4B>...
  • Page 39 TX-R32LX80K 11.5.4. P Board (4 / 4) <1C> <2C> <3C> <4C> <5C> <6C> <7C> <8C> <9C>...
  • Page 40 TX-R32LX80K 11.6. SW Board 11.6.1. SW Board (1 / 1)
  • Page 41 TX-R32LX80K 11.7. V Board 11.7.1. V Board (1 / 4) <1A> <2A> <3A>...
  • Page 42 TX-R32LX80K 11.7.2. V Board (2 / 4) <1A> <1B> <2A> <2B> <3B> <3A> <4B>...
  • Page 43 TX-R32LX80K 11.7.3. V Board (3 / 4) <1B> <1C> <2C> <3C> <2B> <3B> <4C> <4B> <5C>...
  • Page 44 TX-R32LX80K 11.7.4. V Board (4 / 4) <1C> <2C> <3C> <4C> <5C>...
  • Page 45 TX-R32LX80K 11.8. Z Board 11.8.1. Z Board (1 / 4) <1A> <2A> <3A> <4A> <5A> <6A>...
  • Page 46 TX-R32LX80K 11.8.2. Z Board (2 / 4) <1A> <1B> <2A> <2B> <3A> <3B> <4B> <4A> <5B> <6B> <5A> <7B> <8B> <6A> <9B>...
  • Page 47 TX-R32LX80K 11.8.3. Z Board (3 / 4) <1B> <1C> <2B> <2C> <3B> <4B> <3C> <5B> <4C> <5C> <6B> <7B> <6C> <8B> <7C> <9B> <8C>...
  • Page 48 TX-R32LX80K 11.8.4. Z Board (4 / 4) <1C> <2C> <3C> <4C> <5C> <6C> <7C> <8C>...

  • Page 49: Parts Location & Mechanical Replacement Parts List

    TX-R32LX80K 12 Parts Location & Mechanical Replacement Parts List 12.1. Parts Location...
  • Page 50 TX-R32LX80K 13 Packing Exploded View...
  • Page 51 TX-R32LX80K 14 Replacement Parts List...
  • Page 52 TX-R32LX80K 14.1. Electrical Replacement Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks EAS16S07B SPEAKER C1868 ECJ1VF1A105Z C 1UF, Z, 10V J0KF00000018 FERRITE CORE C1869 EEEHB1C470P E 47UF, 16V J0KG00000114 CORE CLAMPER...
  • Page 53 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C4017 ECJ1VB1C104K C 0.1UF, K, 16V C4099 F1J0J1060004 C 10UF, 6.3V C4018 ECJ1VB1C104K C 0.1UF, K, 16V C4100 F1G1A1040006 C 0.1UF, 10V C4019 F1J0J1060004 C 10UF, 6.3V...
  • Page 54 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5034 ECJ1VC1H150J C 15PF, J, 50V C867 F1J0J1060004 C 10UF, 6.3V C5036 ECJ1VF1C104Z C 0.1UF, Z, 16V C868 ECJ1VB1H103K C 0.01UF, K, 50V...
  • Page 55 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D3025 MAZ81400ML DIODE D816 MAZ42400MF DIODE D3026 MAZ81400ML DIODE D817 B0HAMM000122 DIODE D3027 MAZ81400ML DIODE D818 B0JBSL000026 DIODE D3028 MAZ81400ML DIODE D819 B0JBSL000026...
  • Page 56 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L4005 J0JHC0000078 BEAD CORE Q3801 2SA207700L TRANSISTOR L4006 J0JHC0000078 BEAD CORE Q3806 2SC584500L TRANSISTOR L4007 J0JHC0000078 BEAD CORE Q3807 2SC584500L TRANSISTOR L4008 J0JHC0000078...
  • Page 57 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R1181 ERJ3GEY0R00 M 0OHM,J,1/16W R2230 ERJ3GEY0R00 M 0OHM,J,1/16W R1236 ERJ3GEYJ103 M 10KOHM,J,1/16W R2231 ERJ3GEY0R00 M 0OHM,J,1/16W R1237 ERJ3GEYJ103 M 10KOHM,J,1/16W R2232 ERJ3GEY0R00 M 0OHM,J,1/16W...
  • Page 58 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3023 D0GD471JA017 F 470OHM,J,1/16W R3885 ERJ3GEY0R00 M 0OHM,J,1/16W R3024 D0GD271JA017 F 270OHM,J,1/16W R3911 ERJ3GEYJ103 M 10KOHM,J,1/16W R3026 ERJ3GEYJ473 M 47KOHM,J,1/16W R3912 ERJ3GEYJ332 M 3.3KOHM,J,1/16W...
  • Page 59 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R4107 ERJ3GEYJ151 M 150OHM,J,1/16W R4225 ERJ3GEYJ103 M 10KOHM,J,1/16W R4108 ERJ3GEY0R00 M 0OHM,J,1/16W R4226 ERJ3GEYJ332 M 3.3KOHM,J,1/16W R4109 ERJ3GEYJ151 M 150OHM,J,1/16W R4228 ERJ3GEYJ102 M 1KOHM,J,1/16W...
  • Page 60 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5008 ERJ3GEYJ2R7 M 2.7OHM,J,1/16W R5101 ERJ3GEY0R00 M 0OHM,J,1/16W R5009 ERJ3GEYJ2R7 M 2.7OHM,J,1/16W R5102 ERJ3GEYJ223 M 22KOHM,J,1/16W R5010 ERJ3GEYJ2R7 M 2.7OHM,J,1/16W R5103 ERJ3GEYJ103 M 10KOHM,J,1/16W...
  • Page 61 TX-R32LX80K Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R852 ERJ6GEYJ683 M 68KOHM,J,1/10W FL4001 J0MAB0000169 LC FILTER R853 ERDS1TJ2R2 C 2.2OHM,J, 1/2W FL4002 J0MAB0000169 LC FILTER R854 ER0S2CHF8200 M 82OHM, F,1/4W FL4003...
  • Page 62 TX-R32LX80K Ref. Part No. Part Name & Description Remarks SW2503 EVQ11G05R SWITCH SW2504 EVQ11G05R SWITCH SW841 ESB92DA1B SWITCH TU101 ENG39E04GRF TUNER K1KA08BA0061 CONNECTOR X4001 H0J202500011 CRYSTAL OSC X5001 H0J283500018 CRYSTAL OSC K1KA04BA0055 CONNECTOR K1KA12BA0062 CONNECTOR...

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