Panasonic TH-103PF12W / TH-103PF12T Service Manual ▷ View online
49
TH-103PF12W / TH-103PF12T
22. Disconnect the connectors (DS4, DS6).
23. Remove 3 screws and then remove the Slot Block.
23. Remove 3 screws and then remove the Slot Block.
24. Disconnect the connectors of P-Board (Main_1) (CM1,
CM2, CM3, CM4, CM5, P2).
25. Disconnect the connector of C5-Board (lower) (C55).
26. Remove 10 screws and then remove P-Board (MAIN_1).
26. Remove 10 screws and then remove P-Board (MAIN_1).
27. Disconnect the connector of C5-Board (upper) (C55).
28. Disconnect the connectors of P-Board (Main_2) (CM1,
CM2, CM3, CM4, P6, P11).
29. Remove 10 screws and then remove P-Board (MAIN_2).
30. Disconnect the connectors (P9, P25).
31. Remove 9 screws and then remove P-Board (SUB).
31. Remove 9 screws and then remove P-Board (SUB).
32. Remove Duct Barrier K.
33. Disconnect the connector (SS21).
34. Remove the flexible cables from the connectors (D20,
34. Remove the flexible cables from the connectors (D20,
D31, D32, D33, D34).
35. Remove 4 screws and then remove D-Board.
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TH-103PF12W / TH-103PF12T
36. Remove 4 screws and then remove PB-Board.
37. Remove 2 screws and then remove AC Inlet Cover.
38. Remove 3 screws and then remove the AC Inlet.
39. Remove 8 screws and then remove the Fan Box (A, B).
40. Remove the Duct Barrier E, Duct Barriers F, Duct Barrier
G, Duct Barrier H, Duct Barrier L, Duct Barrier N and Duct
Barrier O.
Barrier O.
41. Exchange the Plasma Display Panel.
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TH-103PF12W / TH-103PF12T
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
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TH-103PF12W / TH-103PF12T
10.1.2. Initialization Pulse Adjust
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
3. Connect Oscilloscope to TPSC1 and adjust VR16601 for 125V ± 5V.
Test Point
Volume
Level
TPSC1 (SC)
VR16601 (SC)
125V ± 5V
at 50
at 50
µs
period on the down slope.
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