Panasonic TH-65PF12EK Service Manual ▷ View online
33
TH-65PF12EK
30. Remove 6 screws and then remove P-Board (SUS) and
Barrier.
31. Remove the flexible cables from the connectors (C10,
C20, C26, C36).
32. Remove 15 screws ( ).
33. Remove 3 screws ( ).
34. Pull the bottom of the Plasma Display Panel Block for-
ward (arrow1).
35. Slide the Plasma Display Panel Block and then remove
the Plasma Display Panel Block (arrow2).
36. Remove 2 screws ( ).
37. Remove 4 screws ( ) and then remove the Reinforce-
ment Angle (L, R) and Reinforcement Angle Connecting
Metal (L, R).
Metal (L, R).
Note: when Reinforcement Angle is exchanged
• Remove each 1 screw. Exchange the Reinforcement
Angle.
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TH-65PF12EK
38. Remove the 4 Spacer Rings from the Plasma Display
Panel.
39. Exchange the Plasma Display Panel.
Caution:
• Please confirm the installation place of Spacer Ring
when you exchange the Plasma Display Panel, and
install them in an original installation place after
exchanging the Plasma Display Panel.
install them in an original installation place after
exchanging the Plasma Display Panel.
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TH-65PF12EK
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=-155V, Voltage of Vscn is -10V ±4V.
When Vad=-155V, 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.
Name
Test Point
Voltage
Volume
Remarks
Vsus
TPVSUS
(SS)
(SS)
Vsus ± 2V
VR251 (P)
*
Ve
TPVE (SS)
Ve ± 2.5V
Fixed
*
Vset
TPVSET
(SC)
(SC)
290V ± 9V
Fixed
Vad
TPVAD (SC) -155V ± 2V
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-65PF12EK
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 250V ± 10V.
10.1.3.
P.C.B. (Print Circuit Board) exchange
10.1.3.1. Caution
1. To remove P.C.B., wait 1 minute after power was off for discharge from electrolysis capacitors.
10.1.3.2. 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)
VR16601 (SC)
250V ± 10V
at 100
at 100
µs
period on the down slope.
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P)
*
SC Board
Vad
TPVAD (SC)
-155V ± 2V
VR16600 (SC)
Vscn
TPVSCN (SC)
Vad_base:+145V±4V
GND_base: -10V±6V
GND_base: -10V±6V
Fixed
Vset
TPVSET (SC)
290V ± 9V
Fixed
SS Board
Ve
TPVE (SS)
Ve ± 2.5V
Fixed
*
D, DS, DN 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. 6.1.5)
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