DOWNLOAD Panasonic TH-42PF20E / TH-42PF20ER Service Manual ↓ Size: 13.73 MB | Pages: 127 in PDF or view online for FREE

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TH-42PF20E / TH-42PF20ER

3. Remove 2 screws (D).
4. Disconnect the connector (V11).
5. Remove 1 hook and then remove V1-Board
6. Remove 2 hooks and then remove the Power Button

Shield.

7. Remove 3 hooks and then remove the Power Button and

Power Button Spring.

8. Disconnect the connector (V22) and then remove V2-

Board.

9. Remove 2 hooks and then remove the 5 Key Button from

V2-Board.

1. Remove the Front Glass.

(Refer to Removal of Front Glass)

2. Remove V1-Board and V2-Board.

(Refer to Removal of V1-Board and V2-Board)

3. Remove the LED Panel and Remote Sensor Panel.

4. Remove the Rear Cover Hook Left and Rear Cover Hook

Right.

5. Remove the Fixed Angle (upper-front).
6. Remove the Cabinet Assy.

1. Disconnect the Fan Relay Connectors.
2. Remove 2 screws and then remove the Fan Block.

3. Disconnect the connectors (DS13, P9).
4. Remove the flexible cable from the connector (DS1).
5. Remove 4 screws and then remove the Slot Block.

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TH-42PF20E / TH-42PF20ER

6. Disconnect the connectors (A8, A9, A10, A11, A13, A22,

A25, A35).

7. Remove the flexible cables from the connectors (C11,

C21, SC20).

8. Remove 3 screws ( ).
9. Remove 2 screws ( ) and then remove the A-Board

Block.

10. Remove 1 screw and then remove the Speaker Terminal

Block.

11. Remove 2 screws and then remove the S1-Board Block.

12. Remove the flexible cables from the connectors (SM1,

SM2, SM3, SM4, SM5, SM6, SM7, SM8).

13. Disconnect the connectors (SM41, SM42, SM46).
14. Remove 3 screws ( ).
15. Remove 4 screws ( ) and then remove SM-Board.

Do not damage the Flexible Cables of SM-Board, and 
the parts on SC-Board.

• Screw on 2 screws (1) firstly.

16. Disconnect the connector (SC2).
17. Remove 7 screws and then remove SC-Board.

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TH-42PF20E / TH-42PF20ER

18. Disconnect the connectors (C23, C25, SS11, SS24,

SS33).

19. Remove the flexible cables from the connectors (SS53,

SS56, SS58).

20. Remove 8 screws and then remove SS-Board and SS2-

Board.

21. Remove 9 screws and then remove P-Board.

22. Remove the flexible cable from the connectors (C10,

C20).

23. Remove 4 screws ( ) and then remove the Handle Fixing

Metal (L, R).

24. Remove 3 screws ( ).

• Screw on 2 screws (1) firstly.

25. Pull the bottom of the Plasma Display Panel forward

(arrow1).

26. Slide the Plasma Display Panel and then remove the

Plasma Display Panel (arrow2).

27. Remove 12 screws and then remove the Hanger Assy (L,

R), the Stand Pole Bracket Assy (L, R) and the Hanger
Fixing Metal Assy (L, R).

28. Exchange the Plasma Display Panel.

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TH-42PF20E / TH-42PF20ER

When Plasma panel or A-board is replaced, Vsus should be set to LOW or HIGH.

1. Access the CAT mode.

Press and hold the Volume down / - button on the front panel of the unit and press the RECALL button on the remote con-
trol 3 times quickly within 2 second, this will place the unit into the CAT mode.

2. Select the IIC mode.
3. Go into item [VSUS] in the IIC mode by Up / Down buttons. LOW or HIGH will be displayed.
4. Press [OK] button to go to TEST stage.

White pattern without On-Screen Display will be displayed during TEST and CONF stage. Press [5] button to display the On-
Screen Display.

5. Press [VOL (-)] button to set to LOW.
6. In LOW setting

a. If no several dead pixel is visible remarkably in white pattern, press [3] button to go to CONF stage.
b. If the several dead pixels are visible remarkably in white pattern, Set to HIGH by press [VOL (+)] button. Press [3] button

to go to CONF stage if the symptom is improved.

7. Press [OK] button in CONF stage to store LOW or HIGH.
8. Exit Service Mode by pressing [Power] button.