Panasonic TH-58PF11EK Service Manual ▷ View online
29
TH-58PF11EK
21. Disconnect the connector (C35).
22. Remove the flexible cables from the connectors (SS52,
22. Remove the flexible cables from the connectors (SS52,
SS57).
23. Remove 6 screws and then remove SS2-Board and SS3-
Board.
24. Remove 2 screws ( ) and then remove the S1-Board
Block.
25. Remove 3 screws ( ) and then remove the AC-Inlet
Block.
26. Remove the flexible cables from the connectors (C10,
C20, C26, C36).
27. Remove 8 screws.
28. Pull the bottom of the Plasma Display Panel forward
(arrow1).
29. Slide the Plasma Display Panel and then remove the
Plasma Display Panel (arrow2).
30. Remove 8 screws and then remove the Reinforcement
Angles (L), (R).
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TH-58PF11EK
31. Remove the Rear Cover Hook Left and Rear Cover Hook
Right from the Plasma Display Panel.
32. Remove the 10 Rear Cover Spacers and Rear Cover
Spacer Rings from the Plasma Display Panel.
Caution:
• Please confirm the installation place of 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.
exchange the Plasma Display Panel, and install them in
an original installation place after exchanging the Plasma
Display Panel.
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TH-58PF11EK
9 Measurements and Adjustments
9.1.
Adjustment Procedure
9.1.1.
Driver Set-up
9.1.1.1.
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.
9.1.1.2.
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.
Name
Test Point
Voltage
Volume
Remarks
Vsus
TPVSUS
(SS)
(SS)
Vsus ± 2V
VR251 (P)
*
Ve
TPVE (SS)
Ve ± 1V
VR16000
(SS)
(SS)
*
Vset
TPVSET
(SC)
(SC)
325V ± 10V
Fixed
Vad
TPVAD (SC) -135V ± 1V
VR16600
(SC)
(SC)
Vscn
TPVSCN
(SC)
(SC)
Vad+145V ±
4V
4V
Fixed
Vda
TPVDA (SS) 75V + 1V, -2V Fixed
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TH-58PF11EK
9.1.2.
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 VR16602 for 250V ± 10V.
9.1.3.
P.C.B. (Print Circuit Board) exchange
9.1.3.1.
Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
9.1.3.2.
Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
*See the Panel Label.
Caution
Caution
Absolutely do not reduce Vsus voltage below Ve not to damage the P.C.B.
Test Point
Volume
Level
TPSC1 (SC)
VR16602 (SC)
250V ± 10V
at 100
at 100
µ
s
period on the down slope.
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS
Vsus ± 2V
VR251 (P)
*
SC Board
Vad
TPVAD
-135V ± 1V
VR16600 (SC)
Vscn
TPVSCN
Vad + 145V ± 4V
Fixed
Vset
TPVSET
325V ± 10V
Fixed
SS Board
Ve
TPVE
Ve ± 1V
VR16000 (SS)
*
Vda
TPVDA
75V + 1V, -2V
Fixed
D, DS Board
White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
DN Board
Set Market Select Number to correct destination by MS mode (See chap. 6.1.4)
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