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TH-50PD12R

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 Cabinet Assy.

1. Remove 6 screws and then remove the 2 Fan Blocks.
2. Disconnect the Fan Relay Connectors.

3. Remove 8 screws and then remove the Stand Block (L,

R).

4. Disconnect the connectors (A2, A5, A6, A15, A22, A24).
5. Remove 5 screws and then remove the A/Z-Board Block.

6. Disconnect the connectors (P9, P34).
7. Remove 3 screws and then remove the AC-Inlet Block.
8. Remove 2 screws and then remove the S1-Board Block.

9. Disconnect the connector (D25).

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

C21, SC20).

11. Remove 4 screws and then remove D-Board.

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TH-50PD12R

12. Remove the flexible cables from the connectors (SU1,

SU2, SU3, SU4, SU11, SD1, SD2, SD3, SD4).

13. Disconnect the connectors (SU41, SD42, SD46).
14. Remove 8 screws and then remove SU-Board and SD-

Board.

15. Disconnect the connectors (SC2, SC3).
16. Remove 6 screws and then remove SC-Board.

17. Disconnect the connectors (C33, C35, SS11, SS24).
18. Remove the flexible cables from the connectors (SS52,

SS55, SS58).

19. Remove 6 screws and then remove SS-Board and SS2-

Board.

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

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TH-50PD12R

21. Remove the flexible cables from the connectors (C10,

C20, C22, C32).

22. Remove 12 screws.

23. Pull the bottom of the Plasma Display Panel forward

(arrow1).

24. Slide the Plasma Display Panel and then remove the

Plasma Display Panel (arrow2).

25. Remove the Rear Cover Hook Left and Right from the

Plasma Display Panel.

26. Remove the 8 Rear Cover Spacers and Rear Cover

Spacer Rings from the Plasma Display Panel.

• Please confirm the installation place of Rear Cover Hook

Left and Right, Rear Cover Spacer and Rear Cover
Spacer Ring when you exchange the Plasma Display
Panel, and install them in an original installation place
after exchanging the Plasma Display Panel. 

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TH-50PD12R

1. Set Aging pattern (white pattern signal) by IIC mode.
2. Set the picture controls as follows.

Picture menu: Standard
Picture: +25
Aspect: Full

1. First perform Vsus adjustment.
2. Confirmation of Vscn voltage should be performed after

confirmation of Vad adjustment.
When Vad=-180V, Voltage of Vscn is -35V ±4V.

Adjust driver section voltages. (Refer to the panel data on the
Panel Label).
Check or adjust the following voltages with the multimeter. 

*See the Panel Label.

Name

Test Point

Voltage

Volume

Remarks

Vsus

TPVSUS 
(SS)

Vsus ± 2V

R737 (P)

*

Ve

TPVE (SS)

Ve ± 2.5V

Fixed

*

Vset

TPVSET 
(SC)

290V ± 9V

Fixed

Vad

TPVAD (SC) -180V ± 2V

VR16600 
(SC)

Vscn

TPVSCN 
(SC)

Vad_base:
+145V±4V
GND_base: 
 -35V±6V

Fixed

Vda

TPVDA  (P)

60V +1V ,  -2V Fixed