Panasonic tx-34p180b Service Manual
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Panasonic tx-34p180b Service Manual

Panasonic tx-34p180b Service Manual

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Specifications

Power Source
Power Consumption
Receiving System
Function
Reception of broadcast
transmissions and Playback
from Video Cassette Tape
Recorders
Playback from special
VCRs
Playback from Special Disc
Players and Special VCRs
AC Auto 110-240 V, 50 / 60 Hz
191 W
Standby condition: 11 W
21 Systems
PAL B, G, H
PAL I
PAL D, K
SECAM B, G
SECAM D, K
SECAM K1
NTSC M (NTSC 3.58 / 4.5 MHz
NTSC 4.43 / 5.5 MHz
NTSC 4.43 / 6.0 MHz
NTSC 4.43 / 6.5 MHz
NTSC 3.58 / 5.5 MHz
NTSC 3.58 / 6.0 MHz
NTSC 3.58 / 6.5 MHz)
SECAM I
PAL 60 Hz / 5.5 MHz
PAL 60 Hz / 6.0 MHz
PAL 60 Hz / 6.5 MHz
SECAM 60 Hz / 5.5 MHz
SECAM 60 Hz / 6.0 MHz
SECAM 60 Hz / 6.5 MHz
NTSC 50 Hz / 4.5 MHz
TX-34P180B
GP2 Chassis
Receiving Channels
VHF BAND
UHF BAND
CATV
Receiving Stereo System
Tuning System
High Voltage
Picture Tube
© 2004 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
Order No. MTV0401338C3

Colour Television

Regular TV
2-12 (PAL / SECAM B, K1)
0-12 (PAL B AUST.)
1-9 (PAL B N.Z.)
1-12 (PAL / SECAM D)
1-12 (NTSC M Japan)
2-13 (NTSC M U.S.A.)
21-69 (PAL G,H,I / SECAM G,K,K1)
28-69 (PAL B AUST.)
13-57 (PAL D,K)
13-62 (NTSC M Japan)
14-69 (NTSC M U.S.A.)
S1-S20 (OSCAR)
1-125 (U.S.A. CATV)
C13-C49 (JAPAN)
S21-S41 (HYPER)
Z1-Z37 (CHINA)
5A, 9A (AUST.)
NICAM I, NICAM B / G, NICAM D, A2
(German)
Frequency synthesizer
Auto Search Tuning
POSITION: 100 Position
DIRECT: 125 Position
32.0 ± 1.0 kV at zero beam current
Overall Picture tube measured
Unauthorized
copying
and

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  • Page 1: Colour Television

    Order No. MTV0401338C3 Colour Television TX-34P180B GP2 Chassis Specifications Power Source AC Auto 110-240 V, 50 / 60 Hz Receiving Channels Regular TV Power Consumption 191 W VHF BAND 2-12 (PAL / SECAM B, K1) Standby condition: 11 W 0-12 (PAL B AUST.) Receiving System 1-9 (PAL B N.Z.)

  • Page 2: Table Of Contents

    TX-34P180B (M8OLSW096X) Video, Audio L / R terminals diagonally: 73 cm AV2 IN (Front): S-Video, Viewable Picture tube measured Video, Audio L / R RGB diagonally: 68 cm Terminals CRT Deflection: 104 ° AV3 IN (Rear): Video, Audio Audio Output...
  • Page 3 TX-34P180B 9 PARTS LOCATION 10.1. Replacement Parts List Notes 10 REPLACEMENT PARTS LIST 10.2. Replacement Part List...

  • Page 4: Safety Precautions

    TX-34P180B 1 SAFETY PRECAUTIONS 1.1. General Guide 1. It is advisable to insert an isolation transformer in the AC supply before servicing a hot chassis. 3. Measure the resistance value, with an ohmmeter, between the jumper AC plug and each exposed metallic cabinet part on the receiver, such as screw heads, aerials, connectors, control shafts, etc.

  • Page 5: X-Radiation

    TX-34P180B 1.4. X-Radiation Warning: 1. The potential sources of X-Radiation in TV sets are the EHT section and the picture tube. 2. When using a picture tube test rig for service, ensure that the rig is capable of handling 32.0 kV without causing X- Radiation.

  • Page 6: Service Hints

    TX-34P180B 2 SERVICE HINTS 2.1. HOW TO REMOVE THE REAR COVER 1. Remove the 9 screws as shown in Fig. 1. 2.3. HOTEL MODE Purpose 1. At Hotels, this Mode prevents the customer from changing the TV preset data such as Channel preset data.

  • Page 7: Self Check

    TX-34P180B 3 SELF CHECK 1. Selection of SELF CHECK Mode. 2. Press Timer button on the remote control and press button - on the TV set.

  • Page 8: Market Mode Function

    TX-34P180B 4 MARKET MODE FUNCTION Outline: MPU controls the functions switching for each Ics through Ics bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Mode. 1. Selection of SERVICE 1 Mode Adjust the Volume “ZERO”...
  • Page 9 TX-34P180B DATA Option 1 Colour system (TV) AUTO (1) SECAM (1) NTSC (1) M.NTSC (1) TV Colour system NTSC 50 (1) SECAM 60 (1) AV Colour system NTSC 50 (1) SECAM 60 (1) Option 2 CH Plan for Asia ASIA / M.E (1)
  • Page 10 TX-34P180B GEOMAG CENSOR (1) GEOMAG POLAR (1) RF ATT. (1) FINE TUNEING (1) SLOW SEARCH (1) TOP (1) TELETEXT FLOP (1) Option 9 DOLBY (1) 3D (1) EXPORT DOLBY (1) WOOFER LINEOUT (1) EXT. WOOFER D-3 (1) LOUDNESS (1) EXDAC VOL (1)

  • Page 11: Adjustment Procedure

    TX-34P180B 5 ADJUSTMENT PROCEDURE 5.1. VOLTAGE CONFIRMATION Item/Preparation Adjustment Procedure 1. +B voltage 1. TPD2 : 144.8V ± 1V 2. TPD21: 13.5V ± 1V 3. TPD3 ~ TPD4 : 35V ± 3V 5.2. E.H.T CHECK Item/Preparation Adjustment Procedure 1. Receive an RF signal, window or crosshatch pattern.

  • Page 12: Sub Tint

    TX-34P180B 5.4. SUB TINT Item/Preparation Adjustment Procedure 1. Receive a 3.58 MHz NTSC rainbow pattern 1. Adjust Sub NTSC Tint so that the peak of level of waveform is similar to Fig. 3 2. Connect oscilloscope to A51 pin 50.

  • Page 13: Vrs Adjustment

    TX-34P180B 5.6. VRS ADJUSTMENT 1. PREPARATION a. Set DY to CRT not to tilt up and down and left and right deflection. (Fig. 1) b. Set CY to CRT and set CY magnet primarily. Pur Mg: Set Pur Mg that 2 magnets are vertical position.

  • Page 14: Colour Purity

    TX-34P180B 5.7. COLOUR PURITY d. Set DY to CRT not to tilt (up and down and left and right). 1. Operate the TV set for over 60 minutes. 3. ADJUSTMENT 2. Receive a purity pattern signal. (white pattern) a. Static convergence Adjustment 3.

  • Page 15: Cut Off

    TX-34P180B 5.9. CUT OFF Preparation 1. Receive a colour bar signal with colour “OFF” and operate 7. Confirm correct B/W rendition and greyscale tracking or the TV set more than 15 minutes. repeat CUTOFF and drive control setup. 2. Set the picture menu to “DYNAMIC NORMAL” and the AI to Note: off.

  • Page 16: White Balance

    TX-34P180B 5.10. WHITE BALANCE Item/Preparation Adjustment Procedure 1. Select Service Mode 1. 1. Adjustment of Low Light 2. Aging should have been performed over 30 minutes a. Adjustment SUB BRIGHT, so that “Y” axis indicates 6.5 3. Receive the white balance pattern.

  • Page 17: Deflection Adjustment

    TX-34P180B 6 DEFLECTION ADJUSTMENT 6.1. V-Adjustment / Confirmation (4:3 Mode) 6.1.1. V-CENTER ADJUSTMENT (4:3 MODE) 6.1.1.1. 100iV-POS ADJUSTMENT 1. Receive PAL monoscope pattern E11. (Scan mode = AUTO) 2. Adjust V-POS so that the scale of the top and bottom side is equal.

  • Page 18: Ew Adjustment / Confirmation (4:3 Mode)

    TX-34P180B 6.2.2.2. 120i H-AMP ADJUSTMENT 1. Receive NTSC monoscope pattern US13. 2. Set scan mode to 100Hz. 3. Adjust H-AMP so that both of edges are within A, B = 2.25 ± 0.2. 6.2.2.3. 50p H-AMP ADJUSTMENT 1. Receive PAL monoscope pattern E11.

  • Page 19: Yuv) Deflection (4:3 Mode) Adjustment / Confirmation

    TX-34P180B 6.3.2. 120i EW ADJUSTMENT (4:3 MODE) 1. Receive NTSC crosshatch pattern JA7. (Scan mode = 100Hz) 2. Adjust the vertical line to straight line by EW-AMP 3. Adjust the vertical line straight line of bothside vertical line in Fig. 4a by Trapez.

  • Page 20: Yuv) Deflection (4:3 Mode) Confirmation

    TX-34P180B 6.6. 625p (YUV) DEFLECTION (4:3 MODE) CONFIRMATION. 1. Receive 625p signal through YUV input. 2. Set signal generator to 625p 50Hz monoscope & crosshatch pattern. 3. For deflection adjustment procedure follow 50p (4:3 mode) adjustment and specification. 6.7. 625p (YUV) DEFLECTION (16:9 MODE) CONFIRMATION.

  • Page 21: Conductor Views

    TX-34P180B 8 SCHEMATIC DIAGRAMS 8.1. SCHEMATIC DIAGRAM NOTES...
  • Page 22 TX-34P180B...
  • Page 23 TX-34P180B 8.2. GM BOARD 8.2.1. GM BOARD 1 / 2 <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A> <10A> <11A> <12A>...

  • Page 24: Gm Board

    TX-34P180B 8.2.2. GM BOARD 2 / 2 <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A> <10A> <11A> <12A>...
  • Page 25 TX-34P180B 8.3. L BOARD 8.3.1. L BOARD 1 / 3 <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A> <10A>...

  • Page 26: L Board

    TX-34P180B 8.3.2. L BOARD 2 / 3 <1A> <1B> <2B> <2A> <3B> <4B> <5B> <6B> <3A> <7B> <4A> <5A> <8B> <9B> <10B> <6A> <7A> <11B> <12B> <13B> <14B> <8A> <15B> <9A> <10A> <16B>...
  • Page 27 TX-34P180B 8.3.3. L BOARD 3 / 3 <1B> <2B> <3B> <4B> <5B> <6B> <7B> <8B> <9B> <10B> <11B> <12B> <13B> <14B> <15B> <16B>...
  • Page 28 TX-34P180B 8.4. A BOARD 8.4.1. A BOARD 1 / 5 <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A> <10A> <11A> <12A> <13A>...

  • Page 29: A Board

    TX-34P180B 8.4.2. A BOARD 2 / 5 <1B> <1A> <2B> <2A> <3B> <3A> <4B> <5B> <4A> <6B> <7B> <5A> <8B> <6A> <9B> <7A> <10B> <11B> <12B> <8A> <9A> <13B> <10A> <14B> <15B> <16B> <17B> <11A> <18B> <12A> <19B> <13A> <20B>...
  • Page 30 TX-34P180B 8.4.3. A BOARD 3 / 5 <1C> <1B> <2B> <3B> <2C> <4B> <3C> <5B> <4C> <5C> <6B> <7B> <6C> <7C> <8B> <9B> <10B> <11B> <12B> <8C> <9C> <10C> <11C> <13B> <12C> <13C> <14B> <14C> <15B> <16B> <15C> <17B> <16C>...
  • Page 31 TX-34P180B 8.4.4. A BOARD 4 / 5 <1C> <1D> <2C> <3C> <4C> <2D> <5C> <3D> <4D> <5D> <6D> <6C> <7C> <7D> <8D> <8C> <9D> <9C> <10D> <10C> <11C> <11D> <12D> <12C> <13D> <13C> <14D> <15D> <14C> <16D> <17D> <15C> <16C>...
  • Page 32 TX-34P180B 8.4.5. A BOARD 5 / 5 <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D> <10D> <11D> <12D> <13D> <14D> <15D> <16D> <17D> <18D> <19D> <20D>...
  • Page 33 TX-34P180B 8.5. D BOARD 8.5.1. D BOARD 1 / 5 <1A> <2A> <3A> <4A> <3A> <3A> <3A> <3A> <3A> <3A> <3A> <3A>...

  • Page 34: D Board

    TX-34P180B 8.5.2. D BOARD 2 / 5 <1A> <1B> <2B> <3B> <2A> <4B> <3A> <5B> <6B> <7B> <8B> <9B> <4A> <10B> <5A> <11B> <6A> <7A> <8A> <9A> <12B> <10A> <13B> <14B> <11A> <15B> <12A>...
  • Page 35 TX-34P180B 8.5.3. D BOARD 3 / 5 <1C> <1B> <2C> <2B> <3B> <4B> <3C> <5B> <4C> <6B> <7B> <8B> <9B> <5C> <10B> <6C> <11B> <12B> <13B> <7C> <14B> <8C> <9C> <15B> <10C>...
  • Page 36 TX-34P180B 8.5.4. D BOARD 4 / 5 <1C> <1D> <2C> <2D> <3D> <3C> <4C> <4D> <5C> <5D> <6C> <6D> <7D> <8D> <9D> <10D> <11D> <12D> <7C> <8C> <9C> <13D> <14D> <10C>...
  • Page 37 TX-34P180B 8.5.5. D BOARD 5 / 5 <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D> <10D> <11D> <12D> <13D> <14D>...
  • Page 38 TX-34P180B 8.6. G BOARD 8.6.1. G BOARD 1 / 2 <1A> <2A> <3A> <4A>...

  • Page 39: G Board

    TX-34P180B 8.6.2. G BOARD 2 / 2 <1A> <2A> <3A> <4A>...

  • Page 40: Parts Location

    TX-34P180B 9 PARTS LOCATION...

  • Page 41: Replacement Parts List

    TX-34P180B 10 REPLACEMENT PARTS LIST 10.1. Replacement Parts List Notes...

  • Page 42: Replacement Part List

    TX-34P180B 10.2. Replacement Part List Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks EASG15S02H2 SPEAKER C117 ECJ2VB1H103K C 0.01UF, K, 50V KDY43HF20F DEFLECTION YOKE C118 ECJ2VF1H104Z C 0.1UF, Z, 50V...
  • Page 43 TX-34P180B Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C1710 ECJ1VB1H153K C 0.015UF, K, 50V C2053 ECJ2VC1H221J C 220PF, J, 50V C1711 ECJ1VB1H682K C 6800PF, K, 50V C2054 ECJ2VC1H221J C 220PF, J, 50V...
  • Page 44 TX-34P180B Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C371 ECJ2VC1H180J C 18PF, J, 50V C706 F1B2H471A025 C 470PF, 500V C372 ECJ2VF1H104Z C 0.1UF, Z, 50V C710 ECA1HM010B E 1UF, 50V...
  • Page 45 TX-34P180B Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks D1707 MAZ80390HL DIODE D868 B0BA5R100013 ZENER DIODE D1708 MAZ80560HL DIODE D869 MA4030L DIODE D1709 MAZ80620H DIODE D872 B0JAPK000011 DIODE D2005 B0AACK000004...
  • Page 46 TX-34P180B Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks L3145 G0C100K00008 COIL Q4802 B1ABCF000078 TRANSISTOR L3201 TALV35VB6R8K PEAKING COIL Q4815 2SD0601A0L TRANSISTOR L3202 TALV35VB6R8K PEAKING COIL Q503 B1BBDJ000004 TRANSISTOR L3206...
  • Page 47 TX-34P180B Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R1136 ERJ6GEYJ103 M 10KOHM,J,1/10W R1218 ERJ6GEYJ101 M 100OHM,J,1/10W R1137 ERJ3GEYJ822 M 8.2KOHM,J,1/16W R1219 ERJ6GEYJ101 M 100OHM,J,1/10W R1138 ERJ3GEYJ153 M 15KOHM,J,1/16W R122...
  • Page 48 TX-34P180B Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R1707 ERJ6GEYJ102 M 1KOHM,J,1/10W R250 ERJ6GEYJ103 M 10KOHM,J,1/10W R1708 ERJ3GEYJ473 M 47KOHM,J,1/16W R251 ERJ6GEYJ471 M 470OHM,J,1/10W R1709 ERJ6GEYJ103 M 10KOHM,J,1/10W R252...
  • Page 49 TX-34P180B Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R3132 ERJ6GEY0R00 M 0OHM,J,1/10W R3272 ERJ6GEYJ241 M 240OHM,J,1/10W R3135 ERJ3GEY0R00 M 0OHM,J,1/16W R350 ERQ12AJ151P F 150OHM,J, 1/2W R3136 ERJ6GEY0R00 M 0OHM,J,1/10W...
  • Page 50 TX-34P180B Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R4854 ERJ6GEYJ101 M 100OHM,J,1/10W R838 ERJ6GEYJ683 M 68KOHM,J,1/10W R4855 ERJ6GEYJ101 M 100OHM,J,1/10W R840 ERJ6GEYJ122 M 1.2KOHM,J,1/10W R4856 ERJ6GEYJ102 M 1KOHM,J,1/10W R842...
  • Page 51 TX-34P180B Ref. No. Part No. Part Name & Description Remarks ERJ6GEY0R00 M 0OHM,J,1/10W JA10 ERJ6GEY0R00 M 0OHM,J,1/10W JA11 ERJ6GEY0R00 M 0OHM,J,1/10W JA12 ERJ6GEY0R00 M 0OHM,J,1/10W JA15 ERJ6GEY0R00 M 0OHM,J,1/10W JA16 ERJ6GEY0R00 M 0OHM,J,1/10W JA17 ERJ6GEY0R00 M 0OHM,J,1/10W JA19 ERJ6GEY0R00 M 0OHM,J,1/10W...

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