Panasonic TH-85PF12E Service Manual ▷ View online
41
TH-85PF12E
4. Remove 1 screw ( ).
5. Remove 1 screw ( ) and then remove the Side Power
5. Remove 1 screw ( ) and then remove the Side Power
Unit.
6. Remove 16 screws and then remove Cabinet Block.
7. Pull the bottom of the Cabinet Block forward and lift.
8. Remove the Cabinet Block.
8. Remove the Cabinet Block.
9. Remove 4 screws and then remove the Cabinet Position-
ing Metals (left, right).
10. Remove 1 Eye Bolt (M12).
11. Remove 2 Eye Bolt Covers M12.
12. Remove 2 Eye Bolt Covers.
13. Remove 4 screws ( ) and then remove the Rear cover
Angle Block (center).
42
TH-85PF12E
14. Disconnect the Fan Relay Connectors.
15. Remove 16 screws and then remove the Fan Blocks (1,
2, 3, 4).
16. Disconnect the connectors (DN3, DN5, DN9).
17. Remove the flexible cables from the connectors (DN1,
17. Remove the flexible cables from the connectors (DN1,
DN2).
18. Remove 5 screws and then remove the DN-Board and
Fixed Plate.
19. Disconnect the connector (H51).
20. Remove 2 screws and then remove H5-Borad Block.
20. Remove 2 screws and then remove H5-Borad Block.
21. Disconnect the connectors (DS4, DS6).
22. Remove 3 screws and then remove the Slot Block.
22. Remove 3 screws and then remove the Slot Block.
23. Disconnect the connectors of P-Board (Main_1) (CM1,
CM2, CM3, CM4, CM5, P2).
24. Disconnect the connector of C3-Board (upper) (C35).
25. Remove 10 screws ( ) and then remove P-Board
25. Remove 10 screws ( ) and then remove P-Board
(MAIN_1).
43
TH-85PF12E
26. Disconnect the connectors of P-Board (Main_2) (CM1,
CM2, CM3, CM4, P6, P11).
27. Disconnect the connector of C2-Board (lower) (C25).
28. Remove 10 screws ( ) and then remove P-Board
28. Remove 10 screws ( ) and then remove P-Board
(MAIN_2).
29. Disconnect the connectors (P9, P25).
30. Remove 9 screws and then remove P-Board (SUB).
30. Remove 9 screws and then remove P-Board (SUB).
31. Disconnect the connector (SS21).
32. Remove the flexible cables from the connectors (D31,
32. Remove the flexible cables from the connectors (D31,
D32, D33, D34, SC20).
33. Remove 4 screws and then remove D-Board.
34. Remove 4 screws and then remove PB-Board.
35. Remove 2 screws and then remove the AC Inlet Block.
36. Remove 4 screws and then remove the Fan Box.
37. Remove 4 screws and then remove Rear Cover Connect-
ing Metal (A).
38. Exchange the Plasma Display Panel.
44
TH-85PF12E
10 Measurements and Adjustments
10.1. Adjustment Procedure
10.1.1. Driver Set-up
10.1.1.1. Item / Preparation
1. Set Aging pattern (white pattern signal) by IIC mode.
2. Set the picture controls as follows.
2. Set the picture controls as follows.
Picture menu: Standard
Picture: +25
Aspect: Full
Picture: +25
Aspect: Full
Caution
1. First perform Vsus adjustment.
2. Confirmation of Vscn voltage should be performed after
2. Confirmation of Vscn voltage should be performed after
confirmation of Vad adjustment.
When Vad=-135V, Voltage of Vscn is +10V ±4V.
When Vad=-135V, Voltage of Vscn is +10V ±4V.
10.1.1.2. Adjustments
Adjust driver section voltages. (Refer to the panel data on the
Panel Label).
Check or adjust the following voltages with the multimeter.
Panel Label).
Check or adjust the following voltages with the multimeter.
*See the Panel Label.
**See chap. 10.1.6.
**See chap. 10.1.6.
Name
Test Point
Voltage
Volume
Remarks
Vsus
(SC side)
(SC side)
TPVSUS
(SC)
(SC)
Vsus ± 2V
VR251
(P_Main_1)
(P_Main_1)
*
Vsus
(SS side)
(SS side)
TPVSUS
(SS)
(SS)
Vsus ± 2V
VR251
(P_Main_2)
(P_Main_2)
*
Ve**
TPVE (SS)
Ve ± 1V
VR16001
(SS)
(SS)
*
Vda
TP9
(P_Main_1)
(P_Main_1)
70V +1V, -2V Fixed
TP9
(P_Main_2)
(P_Main_2)
70V +1V, -2V Fixed
Vad
TPVAD (SC) -135V ± 1V
VR16600
(SC)
(SC)
Vscn
TPVSCN
(SC)
(SC)
Vad_base:
+145V±4V
GND_base:
+10V±6V
+145V±4V
GND_base:
+10V±6V
Fixed
Click on the first or last page to see other TH-85PF12E service manuals if exist.