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Panasonic TX-47P800HQ TX-47P800HZ Service Manual

Wide projection television
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Specifications

Power Source
Power Consumption
Dimensions (W × H × D)
Mass (Weight)
Remote control Transmitter
Receiving System
Receiving Channels
AC 220 - 240 V, 50 / 60 Hz
Stand-by condition 0.5 W
Normal viewing 175 W
1298 mm × 1207.5 mm × 567 mm
62 kg (Net)
EUR511267
R6 (AA) Battery × 2
Regular TV
VHF BAND
2-12 (PAL/SECAM B, K1)
0-12 (PAL B AUST.)
1-9 (PAL B N.Z)
Wide Projection Television
TX-47P800HQ
TX-47P800HZ
GP1VP
© 2003 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. ITD0308033C3
Unauthorized
copying
and

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Summary of Contents for Panasonic TX-47P800HQ TX-47P800HZ

  • Page 1: Location Of Lead Wiring

    ORDER NO. ITD0308033C3 Wide Projection Television TX-47P800HQ TX-47P800HZ GP1VP Specifications Power Source AC 220 - 240 V, 50 / 60 Hz Power Consumption Stand-by condition 0.5 W Normal viewing 175 W Dimensions (W × H × D) 1298 mm × 1207.5 mm × 567 mm Mass (Weight) 62 kg (Net) Remote control Transmitter...

  • Page 2: Table Of Contents

    TX-47P800HQ / TX-47P800HZ 1-12 (PAL/SECAM D) 1-12 (NTSC M Japan) 2-13 (NTSC M U.S.A) UHF BAND 21-69 (PAL G, H, I/SECAM G, K, K1) 28-69 (PAL AUST.) 13-57 (PAL D, K) 13-62 (NTSC M Japan) 14-69 (NTSC M U.S.A) CATV S1-S20 (OSCAR) 1-125 (U.S.A CATV) C13-C49 (JAPAN)

  • Page 3: Location Of Lead Wiring

    TX-47P800HQ / TX-47P800HZ 3.6. Screen 11.8. Location of Lead Wiring (8) 3.7. Mirror 11.9. Location of Lead Wiring (9) 3.8. Rear Cover (Upper) 12 Conductor Views 3.9. Rear Cover (Bottom) 12.1. A-Board 3.10. Disassembly For CRT Removal 12.2. D-Board 4 Service Hints 12.3.

  • Page 4: Safety Precautions

    TX-47P800HQ / TX-47P800HZ 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. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.

  • Page 5: Chassis Board Layout

    TX-47P800HQ / TX-47P800HZ 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 CRT Drive (B) SR-Board VM Output (R) SG-Board VM Output (G) SB-Board VM Output (B) H-Board...

  • Page 6: Disassembly For Service

    TX-47P800HQ / TX-47P800HZ 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. 3.1. Disassembly Flowchart...

  • Page 7: Cabinet Side (L, R)

    TX-47P800HQ / TX-47P800HZ 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. 3.2. Cabinet Side (L, R) 1.

  • Page 8: Cabinet (Upper)

    TX-47P800HQ / TX-47P800HZ 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. Mirror 1. Remove (3) screws. 3.8. Rear Cover (Upper) 1. Remove the Cabinet (Upper). 2.

  • Page 9: Rear Cover (Bottom)

    TX-47P800HQ / TX-47P800HZ 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. 2. Remove (1) screw. 1. Remove the Screen Frame Ass´y, Decorative Panel and the Bottom Rear Cover Ass´y.
  • Page 10 TX-47P800HQ / TX-47P800HZ 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. 10. Lay CRT face down on a soft cloth. 11.

  • Page 11: Service Hints

    TX-47P800HQ / TX-47P800HZ 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. 2.

  • Page 12: Service Position For G-Board

    TX-47P800HQ / TX-47P800HZ 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 13: Self Check

    TX-47P800HQ / TX-47P800HZ 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 ( ) 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 : If the CCU ports have been checked and found to be incorrect or not located then “--”...

  • Page 14: Service Mode Function

    TX-47P800HQ / TX-47P800HZ 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. 6.1. How to enter SERVICE 1 1.
  • Page 15 TX-47P800HQ / TX-47P800HZ...

  • Page 16: Option Descrition

    TX-47P800HQ / TX-47P800HZ 6.3. Option Descrition...
  • Page 17 TX-47P800HQ / TX-47P800HZ...
  • Page 18 TX-47P800HQ / TX-47P800HZ...

  • Page 19: Crt Set Up

    TX-47P800HQ / TX-47P800HZ 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. 2.

  • Page 20: Centering Magnet Adjustment

    TX-47P800HQ / TX-47P800HZ 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]. 4. Set that H-Pos data (Service mode1) is [438]. 5.

  • Page 21: Alignment Magnet Adjustment

    TX-47P800HQ / TX-47P800HZ 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). 11. Receive an monoscope pattern. VM Coil with focus correction magnet 12.

  • Page 22: Deflection Adjustment

    TX-47P800HQ / TX-47P800HZ 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. Adjust Vertical amplitude for 2.3 ± 0.1 division of a scale by (60p/120i).

  • Page 23: Pal 100Hz V Comp Mode (100I)

    TX-47P800HQ / TX-47P800HZ 8.2.3. V-Amp, V-Linear and V-Pos 8.2. PAL 100Hz V Comp mode Adjustment (100i) 1. Adjust Vertical amplitude for 2.0 ± 0.1 division of a scale by 8.2.1. Preparation V-Amp control. 1. Receive PAL monoscope pattern. 2. Set scan mode to 100Hz. 3.

  • Page 24: Pal Progressive Mode (50P)

    TX-47P800HQ / TX-47P800HZ 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. Set scan mode to Progressive. Progressive mode (50p) 3.

  • Page 25: Deflection Adjustment / Confirmation

    TX-47P800HQ / TX-47P800HZ 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. 1. Receive 525p signal. 2. Confirm V / H-Deflection is normal. 8.5.2.

  • Page 26: Adjustment Procedure

    TX-47P800HQ / TX-47P800HZ 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 P-NR : AUTO Scan Mode : 100Hz (PAL) G-Limit : 255 Screen VR : Full Counterclockwise B-Limit : 255 Adjustment...

  • Page 27: Sub Contrast / G-Limit Adjustment

    TX-47P800HQ / TX-47P800HZ 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 P-NR : AUTO G-Limit : 255 Scan Mode : 100Hz (PAL) Cut off Adjustment has been adjusted Adjustment 1.

  • Page 28: Ntsc Tint Adjustment

    TX-47P800HQ / TX-47P800HZ 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. 2. Connect an oscilloscope to TPLR1 on LR-Board. 3.

  • Page 29: Blue Focus / Gamma Adjustment

    TX-47P800HQ / TX-47P800HZ 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 Scan Mode : 100Hz (PAL) Adjustment 1. Set the White Balance Meter on Screen center. 2.

  • Page 30: Sub Bright Adjustment

    TX-47P800HQ / TX-47P800HZ 9.8. Sub Bright Adjustment Preparation Picture Menu : Dynamic P-NR : AUTO C Temp : Dynamic Scan Mode : 100Hz (PAL) AI : ON Cut off and White Balance Adjustment has been adjusted Adjustment 1. Set the White Balance Meter on Screen center. 2.

  • Page 31: Convergence Adjustment

    TX-47P800HQ / TX-47P800HZ 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. following explanation uses the PAL mode as an example, since the same procedure applies to the convergence adjustment for Helpful Hint...

  • Page 32: Convergence Adjustment Procedure

    TX-47P800HQ / TX-47P800HZ 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. 4.

  • Page 33: Coarse Convergence Adjustment Mode

    TX-47P800HQ / TX-47P800HZ 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" pattern.Push the "MUTE" button, and select the "Green" colour. 10.3.1.2.
  • Page 34 TX-47P800HQ / TX-47P800HZ 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. 10.3.1.4.
  • Page 35 TX-47P800HQ / TX-47P800HZ 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" buttons, and select the "G-KEY".Push the "Channel up/down" buttons, and adjust the "G-KEY" refer to following figure.
  • Page 36 TX-47P800HQ / TX-47P800HZ 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 37 TX-47P800HQ / TX-47P800HZ 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" buttons, and select the "R-PIN".Push the "Channel up/down" buttons, and adjust the "R-PIN (V)". (Refer to Fig. 10.3.2.8.
  • Page 38 TX-47P800HQ / TX-47P800HZ 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" buttons, and select the "B-PIN".Push the "Channel up/down" buttons, and adjust the "B-PIN (V)" (Refer to Fig. 10.3.3.8.

  • Page 39: Fine Convergence Adjustment

    TX-47P800HQ / TX-47P800HZ 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. Select the "G-LINE CURSOR" mode by pushing "TV/AV" horizontal lines of the Convergence Adjustment Sheet.
  • Page 40 TX-47P800HQ / TX-47P800HZ 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. in 1~16 to perform the Red Convergence Adjustment. 3.
  • Page 41 TX-47P800HQ / TX-47P800HZ Fine Convergence Control Chart...
  • Page 42 TX-47P800HQ / TX-47P800HZ...

  • Page 43: Location Of Lead Wiring

    TX-47P800HQ / TX-47P800HZ 11 Location of Lead Wiring 11.1. Location of Lead Wiring (1) 11.2. Location of Lead Wiring (2) 11.3. Location of Lead Wiring (3)
  • Page 44 TX-47P800HQ / TX-47P800HZ 11.4. Location of Lead Wiring (4)
  • Page 45 TX-47P800HQ / TX-47P800HZ 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. 2.
  • Page 46 TX-47P800HQ / TX-47P800HZ 11.5. Location of Lead Wiring (5) 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. (Three insertion positions are free). 2.
  • Page 47 TX-47P800HQ / TX-47P800HZ 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. After insert R, G, B on CRT-print, confirm that wire should not touch to material parts of CRT-print.
  • Page 48 TX-47P800HQ / TX-47P800HZ 11.6. Location of Lead Wiring (6) 11.7. Location of Lead Wiring (7)
  • Page 49 TX-47P800HQ / TX-47P800HZ 11.8. Location of Lead Wiring (8) 11.9. Location of Lead Wiring (9)
  • Page 50 TX-47P800HQ / TX-47P800HZ...

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