Panasonic PT-LB20NTU Service Manual
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Panasonic PT-LB20NTU Service Manual

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PT-LB20NTU
PT-LB20NTE
PT-LB20NTEA
PT-LB20U
PT-LB20E
PT-LB20EA
PT-LB20SU
PT-LB20SE
PT-LB20SEA
PT-LB20VU
PT-LB20VE
PT-LB20VEA
© 2005 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. VED0504362C0
D10
LCD Projector
Unauthorized
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Summary of Contents for Panasonic PT-LB20NTU

  • Page 1 ORDER NO. VED0504362C0 LCD Projector PT-LB20NTU PT-LB20NTE PT-LB20NTEA PT-LB20U PT-LB20E PT-LB20EA PT-LB20SU PT-LB20SE PT-LB20SEA PT-LB20VU PT-LB20VE PT-LB20VEA © 2005 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.
  • Page 2 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 3 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA CONTENTS Page Page 1 Safety Precautions 1.1. General Guidelines...

  • Page 4: Table Of Contents

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 1.2. Leakage Current Check 7.17. Replacement of Incidence Polarizer (G) 1.3. UV Precaution and UHM Lamp Precautions 7.18.

  • Page 5: Safety Precautions

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 3. Connect M1 to T1 according to Fig. 2 and measure the 1 Safety Precautions voltage. 4. Change the connection of M1 from T1 to T2 and measure 1.1.

  • Page 6: Ext Option

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 2 Ext Option This projector has EXT OPTION in addition to standard on-screen menus. · There are SELF CHECK and SERVICE MODE for service, etc.

  • Page 7: Canceling Ext Option

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA · FLICKER ADJ To enter the flicker adjustment mode 2.3. Canceling EXT OPTION Press "MENU" button on the main unit or remote control unit.

  • Page 8: Self Check Display And Contents

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 3.2. Self Check Display and Contents 3.3. Canceling the self-check mode Press "MENU" button on the main unit or remote control unit.

  • Page 9: Service Mode

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 4 Service Mode This mode is used to display seven kinds of test patterns [Horizontal lines, Vertical lines, Dots, Crosshatch, White cross, Black cross and White (No pattern)] in the four colors (White, Red, Green and Blue)..

  • Page 10: Using The Serial Connector

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 6 Using the SERIAL Connector The serial connector which is on the back connector panel of the projector conforms to RS-232C standard. This projector can be controlled by a PC which is connected as shown in "6.1.

  • Page 11: Basic Format

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 6.4. Basic Format The data sent from the PC to the projector is transmitted in the format shown below.
  • Page 12 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Query Commands...

  • Page 13: Communication Cable Specifications

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Parameters [Example] When controls the audio volume to +30 by a PC (Sends commands as the following:) ·...

  • Page 14: Signal Selector Connecting Cable Specifications

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 6.7. Signal Selector Connecting Cable Specifications When connecting to a signal selector (ex. TW-SWS62J), use a cable with specifications below.

  • Page 15: Disassembly Instructions

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 7 Disassembly Instructions Warning: · Be sure to unplug the power cord from the power outlet before disassembling this projector.

  • Page 16: Removal Of Upper Case

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 7.2. Removal of Upper Case 1. Turn the projector upside down. 2. Unscrew the 6 screws. 5. Disconnect the connectors from/to the A-P.C.Board.

  • Page 17: Removal Of Wl-P.c.board (Pt-Lb20Ntu/E/Ea Only)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 7.4. Removal of WL-P.C.Board (PT- LB20NTU/E/EA only) 1. Remove the upper case according to the section 7.2.

  • Page 18: Removal Of B/Q-Module

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA according to the section 7.4. "Removal of WL-P.C.Board". 3. For PT-LB20NTU/E/EA, unscrew the 2 screws and remove the metal fittings for securing WL.

  • Page 19: Removal Of Lamp Unit

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA according to the section 7.4. "Removal of WL-P.C.Board". 3. For PT-LB20NTU/E/EA, unscrew the 2 screws and remove the metal fittings for securing WL.

  • Page 20: Removal Of Lcd Block

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 1. Remove the LCD block according to the section 7.12. "Removal of LCD Block". 2. Cut the 4 LCD panel installation spindles at the position A and remove the LCD panel.

  • Page 21: Lcd Panel Discrimination

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA · Since the ID-tag seal is pasted to the FPC of LCD Panl, (R), (G) or (B) can be easily identified by the color of the seal.

  • Page 22: Replacement Of Incidence Polarizer (G)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA be used for resetting the incidence polarizer position. 3. Unscrew the 1 screw and remove the incidence polarizer (G).

  • Page 23: Replacement Of Pbs Array (Analysis Block)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 7.19. Replacement of PBS Array (Analysis Block) 1. Remove the analysis case (upper) according to the steps 1 through 3 in the section 7.16.

  • Page 24: Measurement And Adjustments

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 8 Measurement and Adjustments 8.1. Adjustment Procedure Flowchart extension flexible cables and 3 connector extension cables. 8.2.

  • Page 25: Lighting Area Adjustment

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Repeat steps (1) to (3) until the green and blue crosshatch patterns merge into a cyan pattern.

  • Page 26: Adjustment Procedure

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA P.C.Board. 8.5.2. Preparation 1. Remove the connector cover and grounding metal (3) according to the steps 1 through 4 in the section 7.3.

  • Page 27: Software For Adjustment

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA directions. 8.6.3. Port and Model Selection Menu 4. Tighten the 2 screws. 8.5.3.3. R Reflector Adjustment 1. Turn on the power and display 100 % white pattern on the screen.

  • Page 28: Flicker Adjustment

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA projector. 8.6.5. Adjustment Menu Gamma Data Reception: Receives the gamma data from the projector and writes it in the file.

  • Page 29: Setup Procedure

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 8.9. Model Information Setup 8.9.1. Adjustment Menu 8.9.2. Explanation of Buttons Radio buttons: Selects the corresponding model name.

  • Page 30: Troubleshooting

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 9 Troubleshooting...
  • Page 31 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 32 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 33 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 34 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 35 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 36 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 37 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 38 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 39 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 40 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...

  • Page 41: Interconnection Block Diagram

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 10 Interconnection Block Diagram 10.1. Interconnection Block Diagram (1/2) Interconnection Block Diagram (1/2) B-Module Q-Module B/Q-Module P-Module K-P.C.Board...

  • Page 42: Interconnection Block Diagram

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 10.2. Interconnection Block Diagram (2/2) Interconnection Block Diagram (2/2) A-P.C.Board PT-LB20NT** only...

  • Page 43: Block Diagram

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 11 Block Diagram 11.1. Power Supply Power Supply COLD +17 V TH101 INTERLOCK F9101 SWITCH POWER STB 3.4 V...

  • Page 44: Signal Processing (1/3)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 11.2. Signal Processing (1/3) Signal Processing (1/3) IC1001 IC1005 IC1006 IC1060 64M SDRAM RGB 1 IN A/D CONVERTER,...

  • Page 45: Signal Processing (2/3)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 11.3. Signal Processing (2/3) Signal Processing (2/3) from/to (3/3) IC1051 IC1200 1H INVERTER, SAMPLING HOLD, LEVEL SHIFT...

  • Page 46: Signal Processing (3/3)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 11.4. Signal Processing (3/3) Signal Processing (3/3) PT-LB20NTU/E/EA only IC1809/IC1810 128M SDRAM IC1805 FLASH IC1808 IC1813 FREQ.

  • Page 47: Schematic Diagram

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12 Schematic Diagram...

  • Page 48: A-P.c.board (1/4)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.1. A-P.C.Board (1/4) A-P.C.Board (1/4) TXANP01VJZ5 (PT-LB20NT**) TXANP01PYKZ (PT-LB20**/LB20V**) TXANP01PYMZ (PT-LB20S**)

  • Page 49: A-P.c.board (2/4)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.2. A-P.C.Board (2/4) A-P.C.Board (2/4) TXANP01VJZ5 (PT-LB20NT**) TXANP01PYKZ (PT-LB20**/LB20V**) TXANP01PYMZ (PT-LB20S**)

  • Page 50: A-P.c.board (3/4)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.3. A-P.C.Board (3/4) A-P.C.Board (3/4) TXANP01VJZ5 (PT-LB20NT**) TXANP01PYKZ (PT-LB20**/LB20V**) TXANP01PYMZ (PT-LB20S**)

  • Page 51: A-P.c.board (4/4)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.4. A-P.C.Board (4/4) A-P.C.Board (4/4) TXANP01VJZ5 (PT-LB20NT**) TXANP01PYKZ (PT-LB20**/LB20V**) TXANP01PYMZ (PT-LB20S**)

  • Page 52: Wl-P.c.board (1/2)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.5. WL-P.C.Board (1/2) WL-P.C.Board TNPA3595 (1/2) (PT-LB20NT**)

  • Page 53: Wl-P.c.board (2/2)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.6. WL-P.C.Board (2/2) WL-P.C.Board TNPA3595 (2/2) (PT-LB20NT**)

  • Page 54: B-Module (1/2)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.7. B-Module (1/2) B-Module TXANP05VJZ5 (1/2) Module Replacement Only supplied components IC9602-03, Q9603-11, Q9614, D9601, D9604-09, D9611-12, D9616-29,...

  • Page 55: B-Module (2/2)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.8. B-Module (2/2) B-Module TXANP05VJZ5 (2/2) Module Replacement Only supplied components IC9602-03, Q9603-11, Q9614, D9601, D9604-09, D9611-12, D9616-29,...

  • Page 56: K-P.c.board

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.9. K-P.C.Board K-P.C.Board TXANP03VJZ5...

  • Page 57: S1-P.c.board, S2-P.c.board

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 12.10. S1-P.C.Board, S2-P.C.Board S2-P.C.Board TNPA3597 S1-P.C.Board TNPA3596...
  • Page 58 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...

  • Page 59: Circuit Boards

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 13 Circuit Boards 13.1. A-P.C.Board (Foil Side) / WL-P.C.Board (Foil Side/Component Side) A-P.C.Board TXANP01VJZ5 (PT-LB20NT**) WL-P.C.Board TNPA3595 (PT-LB20NT**)

  • Page 60: A-P.c.board (Component) / S1-P.c.board (Foil Side/Component Side)

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 13.2. A-P.C.Board (Component) / S1-P.C.Board (Foil Side/Component Side) A-P.C.Board TXANP01VJZ5 (PT-LB20NT**) S1-P.C.Board TNPA3596 (Component Side) TXANP01PYKZ (PT-LB20**/LB20V**)

  • Page 61: Terminal Guide Of Ics And Transistors

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 14 Terminal guide of ICs and transistors...

  • Page 62: Exploded Views

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 15 Exploded Views...
  • Page 63 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...
  • Page 64 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA...

  • Page 65: Replacement Parts List

    PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA 16 Replacement Parts List Ref. Part No. Part Name & Remarks Ref. Part No. Part Name &...
  • Page 66 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description TKGP5228-1...
  • Page 67 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description TXFKF99PYHZ...
  • Page 68 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description D1009...
  • Page 69 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R1019 ERJ2GE0R00X M 0 OHM, 0.063W...
  • Page 70 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R1221...
  • Page 71 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R1549...
  • Page 72 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description R1860 ERJ2GEJ103X M 10K OHM, 0.063W...
  • Page 73 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C1018 ECJ0EB1C103K C 0.01UF, 16V...
  • Page 74 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C1268 ECJ0EF1C104Z C 0.1UF, 16V...
  • Page 75 PT-LB20NTU / PT-LB20NTE / PT-LB20NTEA / PT-LB20U / PT-LB20E / PT-LB20EA / PT-LB20SU / PT-LB20SE / PT-LB20SEA / PT-LB20VU / PT-LB20VE / PT-LB20VEA Ref. Part No. Part Name & Remarks Ref. Part No. Part Name & Remarks Description Description C1828 ECJ0EF1C104Z C 0.1UF, 16V...

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