Panasonic TX-29P180B Service Manual
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Panasonic TX-29P180B 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
Receiving Channels
AC Auto 110-240 V, 50/60 Hz
197 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
Regular TV
TX-29P180B
MD3N Chassis
VHF BAND
UHF BAND
CATV
Receiving Stereo System
Tuning System
High Voltage
Picture Tube
© 2003 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
Order No.
Colour Television
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
31.0 ± 1.0 kV at zero beam current
Overall Picture tube measured
diagonally: 73 cm
Viewable Picture tube measured
Unauthorized
copying
and

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Summary of Contents for Panasonic TX-29P180B

  • Page 1: Specifications

    Order No. Colour Television TX-29P180B MD3N Chassis Specifications Power Source AC Auto 110-240 V, 50/60 Hz VHF BAND 2-12 (PAL/SECAM B, K1) Power Consumption 197 W 0-12 (PAL B AUST.) Standby condition: 11 W 1-9 (PAL B N.Z.) Receiving System...

  • Page 2: Table Of Contents

    TX-29P180X diagonally: 68 cm AV2 IN (Front): S-Video, CRT Deflection: 104° Video, Audio L/R RGB Audio Output 8W x 2 (Speaker) 14W (Woofer) Terminals Headphones 3.5 mm Plug AV3 IN (Rear): Video, Audio 75 Ω Unbalanced Coaxial Aerial Impedance L/R terminals Video/Audio/Component AV4 IN (Rear): Video or AV 1, 2, 3, 4...

  • Page 3: Safety Precautions

    TX-29P180X 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 4: X-Radiation

    TX-29P180X 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 5: Service Hints

    TX-29P180X 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. Note: This Mode is useful for Hotels.

  • Page 6: Self Check

    TX-29P180X 3 SELF CHECK 1. Self-Check is used to automatically check the bus lines and hexadecimal code of the TV set. 2. To get into the Self-Check mode, press the down n [-/ ] button on the customer controls at the front of the set, at the same time pressing the HELP button on the remote control and the screen will show:...

  • Page 7: Service Mode Function

    TX-29P180X 4 SERVICE MODE FUNCTION MPU controls the functions switching for each IIC through IIC bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Mode. 4.1. HOW TO ENTER SERVICE 1 1. In sound menu, set BASS to MAX and set TREBLE to MINIMUM. 2.
  • Page 8 TX-29P180X Options Description Model option1 Colour system (TV) PAL(1) SECAM(1) NTSC(1) M.NTSC(1) Colour system (AV) PAL(1) SECAM(1) NTSC(1) M.NTSC(1) option2 CH Plan ASIA/M.E/HK/UK/CHINA(1) NZ/INDNES(1) AUSTRALIA(1) E.EUROPE(1) SPECIAL(1) AMERICA(1) CATV(1) JAPAN(1) option3 A2 enable 4.5(1) 5.5(1) 6.0(1) NICAM enable 6.5(1) 4.5(1) 5.5(1) 6.0(1) 6.5(1)
  • Page 9 Reserved 1080i Enable(1) Reserved ID-1 Enable(1) Australia enable(1) OSD language ARABIC(1) RUSSIAN(1) CHINESE(1) free option9 Panasonic LOGO Display(1) MPX status Display(1) Scan mode AUTO for P-NTSC Progressive2(0), Progressive(1) free free free X-ray protection Enable(1) 5V detect protection Enable(1) option10...
  • Page 10 TX-29P180X Options Description Model option11 Shop mode enable(1) Full/16.9 display Reserved Sub Headphone enable(1) Scan mode Blanking Blanking enable(1) User aspect 14:9 enable(1) NICAM C4 bit enable(1) ID-1 enable(1) 1080i enable(1) option12 Asia Asia(1), Europe(0) Ireland not use not use (Reserved for 29 inch etc.) Large size 52(1) / 42(0) for PTV, 36(1) / 32(0) for wide, 34(1) / 29(0) for 4:3...

  • Page 11: Adjustment Procedure

    TX-29P180X 5 ADJUSTMENT PROCEDURE 5.1. VOLTAGE CONFIRMATION Item/Preparation Adjustment Procedure 1. +B voltage 1. TPA55: 144.8 ± 1V 2. TPA56: 12 ± 1V 3. TPA57: 9 ± 1V 4. TPA: 2.5 ± 0.25V 5.2. E.H.T CHECK Item/Preparation Adjustment Procedure 1. Receive an RF signal, window or crosshatch pattern. 1.

  • Page 12: Sub Tint

    TX-29P180X 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. 3.

  • Page 13: Vrs Adjustment

    TX-29P180X 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. VRS Mg: Set VRS Mg that 2 magnets are side position.

  • Page 14: Colour Purity

    TX-29P180X d. Set DY to CRT not to tilt (up and down and left and 5.7. COLOUR PURITY 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-29P180X 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-29P180X 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. b.

  • Page 17: Deflection Adjustment

    TX-29P180X 6 DEFLECTION ADJUSTMENT 6.1. V-ADJUSTMENT/CONFIRMATION (4:3 MODE) 6.1.1. V-CENTER ADJUSTMENT (4:3 MODE) 6.1.1.1. 100i V-POS ADJUSTMENT 1. Receive PAL monoscope pattern. 2. Set scan mode to 100Hz by remote control key. 3. Adjust V-POS (100i / 4:3) so that the scale of the top and bottom side is equal. 6.1.1.2.

  • Page 18: H-Deflection Confirmation/Adjustment

    TX-29P180X 3. Adjust V-AMP (60p / 4:3) so that B, D (Fig. 2) is 2.1± 0.1. Fig. 2 6.2. H-DEFLECTION CONFIRMATION/ADJUSTMENT (4:3 MODE) 6.2.1. H-CENTER ADJUSTMENT (4:3 MODE) 6.2.1.1. 100i H-POS ADJUSTMENT 1. Receive PAL monoscope pattern. 2. Set scan mode to 100 Hz by remote control key. 3.
  • Page 19 TX-29P180X 2. Set scan mode to 100 Hz by remote control key. 3. Adjust the vertical line to straight by Parabola (100i / 4:3). 4. Adjust the vertical line to straight line of both sides vertical line in Fig. 4 by Trapezoid (100i / 4:3). 5.

  • Page 20: Liniality Adjustment / Confirmation

    TX-29P180X 5. Confirm there is no H-parallel distortion. If there is distortion, adjust by H-Parallel (60p / 4:3). In that case, repeat 4 and 5 so that there is no trapezoid / parallel distortion. 6. Confirmation EW of the corner side. If need, adjust Top-Corner (60p / 4:3) and Bottom Corner (60p / 4:3).

  • Page 21: Deflection (16:9 Mode) Adjustment

    TX-29P180X Fig. 6 6.5. DEFLECTION (16:9 MODE) ADJUSTMENT / CONFIRMATION 6.5.1. DATA SETTING (16:9) 1. Copy the adjusted data of 100i / 4:3 mode to 100i / 16:9 in the table 1 (Except H-POS, V-S-Correct). 2. Copy the adjusted data of 120i / 4:3 mode to 120i / 16:9 in the table 1 (Except H-POS, V-S-Correct). 3.

  • Page 22: 625P Deflection Adjustment

    TX-29P180X 6.6.2. H-CENTER (525p) CONFIRMATION / ADJUSTMENT 1. Receive 525p signal. 2. Copy the data of 00h to EEROM ADDRESS [333] (525p / H-POS). 3. Copy the data of F5h to EEROM ADDRESS [332] (525p / H-POS). 4. Confirm H-center and if needed, adjust H-POS (525p). 6.7.

  • Page 23: Vga400 / 70 Hz Deflection Adjustment

    TX-29P180X 6.9. VGA400 / 70 Hz DEFLECTION ADJUSTMENT / CONFIRMATION 6.9.1. V-CENTER ADJUSTMENT 1. Adjust V-POS (VGA 400) so that center of the crosshatch pattern is center of the CRT. 6.9.2. V-HEIGHT ADJUSTMENT 1. Adjust V-AMP (VGA 400) so that A = B in Fig. 10. 2.
  • Page 24 TX-29P180X Trapezoid COPY V-Linear COPY COPY COPY COPY -Corner Bottom -Corner FIX (2B) FIX (19) FIX (22) FIX (20) FIX (2C) FIX (31) FIX (20) FIX (2E) FIX (2D) FIX (20) -Correct (1E) []..EEPOM ADDRESS...

  • Page 25: Conductor Views

    TX-29P180X 7 CONDUCTOR VIEWS 7.1. A-Board TNP4G167AA...

  • Page 26: Schematic Diagrams

    TX-29P180X 8 SCHEMATIC DIAGRAMS 8.1. SCHEMATIC DIAGRAM NOTES...
  • Page 27 TX-29P180X...
  • Page 28 TX-29P180X 8.1.1. Main Board (TNP4G167AA) Main Board (1/3) Main Board (2/3) Main Board (3/3) 8.1.2. Rear AV / RGB / STEREO Circuit (TNP4G169AA) 8.1.3. Front AV Geomagnetic Circuit (TNP4G171AB) 8.1.4. CRT Circuit (TNP4G177AA) 8.1.5. Pincushion Circuit (TNP4G181AA) 8.1.6. Digicomb Board (TNP4G189AA) Digicomb Board (1/2) Digicomb Board (2/2) 8.1.7.

  • Page 31: Replacement Parts List

    TX-29P180X 10 Replacement Parts List 10.1. Replacement Parts List Notes...

  • Page 32: Replacement Part List

    TX-29P180X 10.2. Replacement Part List...

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