Panasonic TX-32LX80Y Service Manual
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Panasonic TX-32LX80Y Service Manual

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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-32LX80Y
LH80 Chassis
AC SINGLE 220 V, 50 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. MTV0801634CE
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-32LX80Y

  • Page 1 ORDER NO. MTV0801634CE LCD TV TX-32LX80Y LH80 Chassis Specifications Power Source : AC SINGLE 220 V, 50 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y 7.5. Pedestal Assembly Preparation 7.5.1. Pedestal Rotation Base...
  • Page 14 TX-32LX80Y 7.5.2. Pedestal Stand Base 7.5.3. Pedestal Stand Cover...

  • Page 15: Led Panel Installation

    TX-32LX80Y 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-32LX80Y 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-32LX80Y 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-32LX80Y...

  • Page 19: Adjustment

    TX-32LX80Y 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-32LX80Y 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-32LX80Y 10.2. A-Board A-Board (B Side) TNP4G431 Parts Location A-Board IC5002 IC5001 IC4003...
  • Page 22 TX-32LX80Y 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-32LX80Y 11.2. A Board 11.2.1. A Board (1 / 10) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 24 TX-32LX80Y 11.2.2. A Board (2 / 10) <1A> <1B> <2A> <3A> <4A> <5A> <6A> <7A> <2B> <3B> <8A> <4B> <9A>...
  • Page 25 TX-32LX80Y 11.2.3. A Board (3 / 10) <1B> <1C> <2C> <3C> <4C> <2B> <5C> <6C> <3B> <7C> <4B>...
  • Page 26 TX-32LX80Y 11.2.4. A Board (4 / 10) <1C> <1D> <2D> <2C> <3D> <4D> <3C> <5D> <4C> <5C> <6D> <6C> <7C> <7D>...
  • Page 27 TX-32LX80Y 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-32LX80Y 11.2.6. A Board (6 / 10) <1E> <1F> <2F> <2E> <3E> <3F> <4E> <5E> <6E> <7E> <8E> <4F> <5F> <9E>...
  • Page 29 TX-32LX80Y 11.2.7. A Board (7 / 10) <1F> <2F> <1G> <3F> <2G> <4F> <3G> <5F> <4G>...
  • Page 30 TX-32LX80Y 11.2.8. A Board (8 / 10) <1H> <1G> <2H> <3H> <2G> <4H> <5H> <3G> <6H> <4G> <7H>...
  • Page 31 TX-32LX80Y 11.2.9. A Board (9 / 10) <1I> <1H> <2I> <2H> <3H> <3I> <4I> <5I> <6I> <4H> <7I> <5H> <6H> <8I> <7H> <9I>...
  • Page 32 TX-32LX80Y 11.2.10. A Board (10 / 10) <1I> <2I> <3I> <4I> <5I> <6I> <7I> <8I> <9I>...
  • Page 33 TX-32LX80Y 11.3. G Board 11.3.1. G Board (1 / 2) <1A> <2A> <3A>...
  • Page 34 TX-32LX80Y 11.3.2. G Board (2 / 2) <1A> <2A> <3A>...
  • Page 35 TX-32LX80Y 11.4. K Board 11.4.1. K Board (1 / 1)
  • Page 36 TX-32LX80Y 11.5. P Board 11.5.1. P Board (1 / 4) <1A> <2A> <3A> <4A> <5A>...
  • Page 37 TX-32LX80Y 11.5.2. P Board (2 / 4) <1A> <1B> <2A> <2B> <3B> <3A> <4A> <4B> <5A>...
  • Page 38 TX-32LX80Y 11.5.3. P Board (3 / 4) <1B> <1C> <2C> <3C> <4C> <2B> <5C> <3B> <6C> <7C> <8C> <9C> <4B>...
  • Page 39 TX-32LX80Y 11.5.4. P Board (4 / 4) <1C> <2C> <3C> <4C> <5C> <6C> <7C> <8C> <9C>...
  • Page 40 TX-32LX80Y 11.6. SW Board 11.6.1. SW Board (1 / 1)
  • Page 41 TX-32LX80Y 11.7. V Board 11.7.1. V Board (1 / 4) <1A> <2A> <3A>...
  • Page 42 TX-32LX80Y 11.7.2. V Board (2 / 4) <1A> <1B> <2A> <2B> <3B> <3A> <4B>...
  • Page 43 TX-32LX80Y 11.7.3. V Board (3 / 4) <1B> <1C> <2C> <3C> <2B> <3B> <4C> <4B> <5C>...
  • Page 44 TX-32LX80Y 11.7.4. V Board (4 / 4) <1C> <2C> <3C> <4C> <5C>...
  • Page 45 TX-32LX80Y 12 Parts Location & Mechanical Replacement Parts List 12.1. Parts Location...
  • Page 46 TX-32LX80Y 13 Packing Exploded View...
  • Page 47 TX-32LX80Y 14 Replacement Parts List...
  • Page 48 TX-32LX80Y 14.1. Electrical Replacement Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks EAS16S07B SPEAKER C1870 ECJ1VB1C104K C 0.1UF, K, 16V J0KF00000018 FERRITE CORE C1951 ECJ1VB1H104K C 0.1UF, K, 16V J0KG00000114...
  • Page 49 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C4020 F1J0J1060004 C 10UF, 6.3V C4102 F1J0J1060004 C 10UF, 6.3V C4021 F1J0J1060004 C 10UF, 6.3V C4103 ECJ0EC1H120J C 0.1UF, 10V C4022 F1J0J1060004 C 10UF, 6.3V...
  • Page 50 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5038 F1G1A1040006 C 0.1UF, 10V C871 ECJ1VB1H103K C 0.01UF, K, 50V C5040 F1G1A1040006 C 0.1UF, 10V C872 ECJ1VC1H101J C 100PF, J, 50V C5041 F1G1A1040006 C 0.1UF, 10V...
  • Page 51 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D3027 MAZ81400ML DIODE D818 B0JBSL000026 DIODE D3028 MAZ81400ML DIODE D819 B0JBSL000026 DIODE D3031 MAZ81400ML DIODE D823 B0HAJL000003 DIODE D3032 MAZ81400ML DIODE D824 B0JCME000037...
  • Page 52 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L4006 J0JHC0000078 BEAD CORE Q3204 2SA207700L TRANSISTOR L4007 J0JHC0000078 BEAD CORE Q3205 2SD0602ASL TRANSISTOR L4008 J0JHC0000078 BEAD CORE Q3801 2SA207700L TRANSISTOR L4009 J0JHC0000078...
  • Page 53 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R1176 ERJ3GEYJ101 M 100OHM,J,1/16W R2383 ERJ3GEYJ103 M 10KOHM,J,1/16W R1177 ERJ3GEYJ101 M 100OHM,J,1/16W R2384 ERJ3GEY0R00 M 0OHM,J,1/16W R1181 ERJ3GEY0R00 M 0OHM,J,1/16W R2500 ERJ3GEY0R00 M 0OHM,J,1/16W...
  • Page 54 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3247 ERJ3GEYJ101 M 100OHM,J,1/16W R4065 ERJ3GEYJ220 M 22OHM,J,1/16W R3248 ERJ6GEYJ472 M 4.7KOHM,J,1/10W R4066 ERJ3GEYJ101 M 100OHM,J,1/16W R3249 ERJ6GEYJ472 M 4.7KOHM,J,1/10W R4069 ERJ3GEYJ101 M 100OHM,J,1/16W...
  • Page 55 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R4193 ERJ3GEYJ103 M 10KOHM,J,1/16W R4331 ERJ3GEYJ103 M 10KOHM,J,1/16W R4194 ERJ3EKF1000 F 100OHM,J,1/10W R4334 ERJ3GEYJ103 M 10KOHM,J,1/16W R4195 ERJ3GEYJ101 M 100OHM,J,1/16W R4335 ERJ3GEYJ473 M 47KOHM,J,1/16W...
  • Page 56 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5064 ERJ3GEYJ220 M 22OHM,J,1/16W R823 D0D5R10KA007 W 0.1OHM,K, 5W R5065 ERJ3GEYJ330 M 33OHM,J,1/16W R824 ERJ6GEYJ103 M 10KOHM,J,1/10W R5066 ERJ3GEYJ220 M 22OHM,J,1/16W R825 ERJ6GEYJ104...
  • Page 57 TX-32LX80Y Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R909 ERJ6GEYJ103 M 10KOHM,J,1/10W JSP821 ERJ6GEY0R00 M 0OHM,J,1/10W R912 ERJ3EKF3091 M3.09KOHM,F,1/16W JSP822 ERJ6GEY0R00 M 0OHM,J,1/10W R913 ERJ6ENF8200 M 820OHM, 1/10W JSP823 ERJ6GEY0R00 M 0OHM,J,1/10W...

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