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Panasonic TX-51P800X Service Manual

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Specifications
Power Source
Power Consumption
Dimensions (W × H × D)
Mass (Weight)
Remote control Transmitter
TX-43P800H / TX-51P800H
AC 220 - 240 V, 50 / 60 Hz
Stand-by condition 0.5 W
Normal viewing 175 W
TX-43P800H / X
1095 mm × 1267.5 mm × 547 mm
60 kg (Net)
EUR511254
R6 (AA) Battery × 2
Projection Television
TX-51P800X
TX-51P800HM
TX-51P800HQ
TX-43P800X
TX-43P800HM
TX-43P800HQ
TX-43P800HZ
GP1VP
TX-43P800X / TX-51P800X
AC 110 - 240 V, 50 / 60 Hz
Stand-by condition 0.5 W
Normal viewing 175 W
TX-51P800H / X
1298 mm × 1394 mm × 547 mm
66 kg (Net)
© 2003 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. ITD0308032C3
Unauthorized
copying
and

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Summary of Contents for Panasonic TX-51P800X

  • Page 1: Location Of Lead Wiring

    TX-43P800HM TX-43P800HQ TX-43P800HZ GP1VP Specifications TX-43P800H / TX-51P800H TX-43P800X / TX-51P800X Power Source AC 220 - 240 V, 50 / 60 Hz AC 110 - 240 V, 50 / 60 Hz Power Consumption Stand-by condition 0.5 W Stand-by condition 0.5 W...

  • Page 2: How To Enter Service

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ Receiving System Receiving Channels Regular TV VHF BAND 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)

  • Page 3: Table Of Contents

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ AV1 IN (Rear): S Video, Video, Audio L/R terminals AV2 IN (Rear): Video or Y/ P , Audio L/R terminals AV3 IN (Front): S Video, Video, Audio L/R terminals...

  • Page 4: Location Of Lead Wiring

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 13.1. Audio Block Diagram 14.13. DG-Board (4 of 6) Schematic Diagram 13.2. Video Block Diagram 14.14. DG-Board (5 of 6) Schematic Diagram 13.3. Power Block Diagram 14.15. DG-Board (6 of 6) Schematic Diagram 13.4.

  • Page 5: Safety Precautions

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 1 Safety Precautions 1.1. General Guide Lines 1. It is advisable to insert an isolation transformer in the AC supply before servicing a hot chassis. 2. When servicing, observe the original lead dress, especially the lead dress in the high voltage circuits.

  • Page 6: Chassis Board Layout

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 2 Chassis Board Layout Board-Name Function A-Board Main Signal, Digital Converter P-Board Line Filter D-Board Deflection, High Voltage LR-Board CRT Drive (R) LG-Board CRT Drive (G) LB-Board...

  • Page 7: Disassembly For Service

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 3 Disassembly for Service This flowchart indicates disassembly items of the cabinet parts and circuit boards in order to find the items necessary for servicing, when reassembling, perform the procedures in the reverse order.

  • Page 8: Cabinet Side (L, R)

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ Note: Board ground wires may have to be disconnected to disassemble some boards. All ground wires must be reconnected using jumper leads if necessary before power is applied to Receiver for service.

  • Page 9: Cabinet (Upper)

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 3.6. Screen 1. Remove (20) nails, and remove (2) Screen Holders (vertical side) and (4) Screen Holders (horizontal side). 3.5. Cabinet (Upper) 1. Remove (12) Screws. 3.7.

  • Page 10: Rear Cover (Bottom)

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 3.9. Rear Cover (Bottom) 3.10. Disassembly For CRT Removal 1. Remove (16) screws. To facilitate CRT replacement, the complete CRT mounting chassis does not need to be removed.
  • Page 11 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 7. Release CRT anode lead from CRT chassis wire clamp and all other wires from holders. 8. Wire the anode lead wire. 9. Lift out CRT assembly with lens assembly and other CRT neck assemblies.

  • Page 12: Service Hints

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 4 Service Hints 4.1. Service position for Main 4.3. Service Position for K-Board chassis 1. Remove the Speaker Grille. 2. Remove the K-Board by (4) screws. 1. Remove the Rear Cover (Bottom) by removing (16) screws and (1) screws around its perimeter.

  • Page 13: Service Position For G-Board

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 4.5. Service Position for G-Board 1. Remove the Speaker Grille. 2. Remove the Terminal Door by (4) screws. 3. Remove the G-Board by (2) screws.

  • Page 14: Self Check

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 5 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 (...

  • Page 15: Service Mode Function

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 6 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 Mode.
  • Page 16 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ...

  • Page 17: Option Descrition

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 6.3. Option Descrition...
  • Page 18 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ...
  • Page 19 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ...

  • Page 20: Crt Set Up

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 7 CRT Set Up Caution: 7.2. Electrical Focus Adjustment Insure yoke plugs on the A-Board are reconnected before 1. Receive a monoscope pattern. turning the Receiver ON to prevent damage to the horizontal output transistor and/or CRTs.

  • Page 21: Centering Magnet Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 7.4. Centering Magnet Adjustment 1. Receive a monoscope pattern. 2. Set that Fine convergence data (Service mode1) is clear (no correction). 3. Set that V-Pos data (Service mode1) is [130].

  • Page 22: Alignment Magnet Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 7.5. Alignment magnet Adjustment Preparation: 1. Receive an cross hatch pattern with dots (pincushion). 2. Loosen the centering magnets screws. 3. Position the longer tab of the four-pole magnet to 90 degrees (uncorrected position).

  • Page 23: Deflection Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 8 Deflection Adjustment Caution 8.1.3. V-Amp, V-Linear and V-Pos 1. The following adjustment have to be carried out one Adjustment with PAL signal (100i/50p) and with NTSC signal 1.

  • Page 24: Pal 100Hz V Comp Mode (100I)

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 8.2.3. V-Amp, V-Linear and V-Pos 8.2. PAL 100Hz V Comp mode Adjustment (100i) 1. Adjust Vertical amplitude for 2.3 ± 0.1 division of a scale by 8.2.1.

  • Page 25: Pal Progressive Mode (50P)

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 8.3. PAL Progressive mode (50p) 8.4. NTSC Progressive mode (60p) 8.3.1. Preparation 8.4.1. Preparation 1. Receive PAL monoscope pattern. 1. Receive NTSC monoscope pattern. 2. Copy the Data of PAL 100Hz mode (100i) to PAL 2.

  • Page 26: Deflection Adjustment / Confirmation

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 8.4.3. V-Amp, V-Linear and V-Pos 8.5. 525p Deflection Adjustment / Adjustment Confirmation 1. Adjust Vertical amplitude for 2.3 ± 0.1 division of a scale by 8.5.1. V / H-Deflection confirmation V-Amp control.

  • Page 27: Adjustment Procedure

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 9 Adjustment Procedure 9.1. Cut off Adjustment Preparation Picture Menu : Dynamic WB-B-G-ST1 : 255 C Temp : Standard High-RGB : 128 AI : ON Low-RGB : 640...

  • Page 28: Sub Contrast / G-Limit Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 9.2. Sub Contrast / G-Limit Adjustment Preparation Picture Menu : Dynamic WB-B-G-ST1 : 255 C Temp : Standard High-RGB : 128 AI : ON Low-G : 640...

  • Page 29: Ntsc Tint Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 9.4. NTSC Tint Adjustment Preparation Picture Menu : Dynamic P-NR : AUTO C Temp : Standard Scan Mode : 100Hz (PAL) AI : ON Adjustment 1. Receive a Rainbow (NTSC 3.58Hz) pattern.

  • Page 30: Blue Focus / Gamma Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 9.6. Blue Focus / Gamma Adjustment Preparation Picture Menu : Dynamic WB-B-G-ST1 : 100 C Temp : Standard B-Limit : 255 AI : ON P-NR : AUTO...

  • Page 31: Sub Bright Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 43 inch model 9.8. Sub Bright Adjustment Preparation Picture Menu : Dynamic P-NR : AUTO C Temp : Dynamic Scan Mode : 100Hz (PAL) AI : ON...

  • Page 32: Convergence Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10 Convergence Adjustment The convergence adjustment is set separately for each Adjust the convergence for each of the 50/100Hz and 50/100Hz/ 60/100Hz input (NTSC, PAL/ SECAM). The 60/120Hz inputs so that they are aligned with the other colours.

  • Page 33: Convergence Adjustment Procedure

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.2. Convergence Adjustment Procedure 1. Input a monoscope pattern of PAL. 2. Enter the Service Mode1. 3. Select the Coarse Convergence by pushing "RED" or "GREEN" buttons. Then push "YELLOW" button, and push Position and [N] buttons to set the data to zero.

  • Page 34: Coarse Convergence Adjustment Mode

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.3. Coarse Convergence Adjustment mode 10.3.1. Green Coarse Convergence Adjustment 10.3.1.1. Reparation Push the "SOUND" button, and select the Green Adjustment mode.Push the "2" button, and select the "Border and Cross"...
  • Page 35 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.3.1.3. "G-SIZE (H)" adjustment Push the "TV/AV" buttons, and select the "G-SIZE (H)".Push the "Volume up/down" buttons, and adjust the boarder line on either side of test pattern is aligned with the edge of the screen frame.
  • Page 36 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.3.1.7. "G-CORNER" adjustment Push the "TV/AV" buttons, and select the "G-CORNER".Push the "Volume up/down" buttons, and adjust the "G-CORNER" to become the following figure. 10.3.1.8. "G-KEY" adjustment Push the "TV/AV"...
  • Page 37 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.3.2. Red Coarse Convergence Adjustment 10.3.2.1. Reparation Push the "SOUND" button, and select the Red Adjustment mode.Push the "2" button, and select the "Border and Cross" pattern.Push the "MUTE" button, and select the "Yellow" colour.Push the "POSITION" button, and adjust the "R-STATIC" so that the Red color of pattern is aligned with Green colour of pattern.
  • Page 38 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.3.2.6. "R-LINEAR" adjustment Push the "TV/AV" buttons, and select the "R-LINEAR".Push the "Volume up/down" buttons, and adjust the "R-LINEAR". (Refer to Fig. C.) 10.3.2.7. "R-PIN (V)" adjustment Push the "TV/AV"...
  • Page 39 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.3.3.6. "B-LINEAR" adjustment Push the "TV/AV" buttons, and select the "B-LINEAR".Push the "Volume up/down" buttons, and adjust the "B-LINEAR". (Refer to Fig. C.) 10.3.3.7. "B-PIN (V)" adjustment Push the "TV/AV"...

  • Page 40: Fine Convergence Adjustment

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.4. Fine Convergence Adjustment 8. Use the Position Buttons to adjust each point so that the 10.4.1. Green Convergence Adjustment Green Crosshatch Pattern is aligned with the vertical and 1.
  • Page 41 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 10.4.2. Red Convergence Adjustment 1. Push the "MUTE" button twice and change to the Red Adjustment of Yellow Colour. 2. Repeat the same steps described for the Green Conv.Adj.
  • Page 42 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ Fine Convergence Control Chart...
  • Page 43 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ...

  • Page 44: Location Of Lead Wiring

    TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 11 Location of Lead Wiring 11.1. Location of Lead Wiring (1) 11.2. Location of Lead Wiring (2)
  • Page 45 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 11.3. Location of Lead Wiring (3)
  • Page 46 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ INSERTION OF CONNECTOR LR1, LR2, LG1, LG2, LG3, LG4, LG5, LG6, LG7, LB1, LB2, LR20, LG20, LB20 NOTICE FOR WORE DRESSING 1. Confirm that the lead line isn’t hitting the metallic part of the neck print after CRT neck print (R, G, B) insertion.
  • Page 47 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 11.4. Location of Lead Wiring (4) The Anode Lead 1. It inserts Anode lead tip in the back to FBT (the fly background transformer), and it makes turn on the right and it locks it.
  • Page 48 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ INSERTION OF CONNECTOR A6, A7, A21, A22, A23, A49, Anode distributor (R, G, B, FBT), D8, D5, DY (R, G, B), CY (R, G, B), D30, P1, P2, P4, Focus Pack (R) NOTICE FOR WIRE DRESSING 1.
  • Page 49 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 11.5. Location of Lead Wiring (5) 11.6. Location of Lead Wiring (6)
  • Page 50 TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ 11.7. Location of Lead Wiring (7) 11.8. Location of Lead Wiring (8)

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