DOWNLOAD Panasonic TH-103PF12E Service Manual ↓ Size: 5.84 MB | Pages: 94 in PDF or view online for FREE

Model
TH-103PF12E
Pages
94
Size
5.84 MB
Type
PDF
Document
Service Manual
Brand
Device
Plasma / GPH12D CHASSIS
File
th-103pf12e.pdf
Date
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49
TH-103PF12E
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.
41. Exchange the Plasma Display Panel.
50
TH-103PF12E
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.
Picture menu: Standard
Picture: +25
Aspect: Full
Caution
1. First perform Vsus adjustment.
2. Confirmation of Vscn voltage should be performed after
confirmation of Vad adjustment.
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. 
*See the Panel Label.
**See chap. 10.1.6.
Name
Test Point
Voltage
Volume
Remarks
Vsus
(SC side)
TPVSUS 
(SC)
Vsus ± 2V
VR251 
(P_Main_1)
*
Vsus
(SS side)
TPVSUS 
(SS)
Vsus ± 2V
VR251 
(P_Main_2)
*
Ve**
TPVE (SS)
Ve ± 1V
VR16001
(SS)
*
Vda
TP9 
(P_Main_1)
70V +1V, -2V Fixed
TP9 
(P_Main_2)
70V +1V, -2V Fixed
Vad
TPVAD (SC) -135V ± 1V
VR16600 
(SC)
Vscn
TPVSCN 
(SC)
Vad_base:
+145V±4V
GND_base: 
 +10V±6V
Fixed
51
TH-103PF12E
10.1.2. Initialization Pulse Adjust
1. Set Aging pattern (white pattern signal) by IIC mode.
2. Set the picture controls as follows.
Picture menu: Standard
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 
µs 
period on the down slope.
52
TH-103PF12E
10.1.3. P.C.B. (Print Circuit Board) and Plasma Display Panel exchange
10.1.3.1. Quick adjustment after P.C.B. and Panel exchange
1. To remove P.C.B., wait 10 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.
**See chap. 10.1.6.
***See chap. 10.1.7.1.
10.1.3.3. Quick adjustment after Plasma Display Panel exchange
Adjust the following voltages with the multimeter.
*See the Panel Label.
10.1.4. Vsus adjustment
After exchange P board or Plasma Display Panel, see the Panel Label and check TPVSUS and adjust the volume. 
10.1.5. Vad adjustment
After exchange SC board, check TP9 and adjust the volume. 
10.1.6. Ve adjustment
1. After exchange SS board, connect the multimeter to the testpoint TPVE(SS).
2. Select Ve Mode by IIC mode. (See chap. 6.1.1., and 6.2.)
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board (Main_1)
Vsus
TPVSUS (SC)
Vsus ± 2V
VR251 (P_Main_1)
*
Vda
TP9 (P_Main_1)
70V +1V, -2V
Fixed
P Board (Main_2)
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P_Main_2)
*
Vda
TP9 (P_Main_2)
70V +1V, -2V
Fixed
SC Board
Vad
TPVAD (SC)
-135V ± 1V
VR16600 (SC)
Vscn
TPVSCN (SC)
Vad_base:+145V±4V
GND_base: +10V±6V
Fixed
SS Board
Ve**
TPVE (SS)
Ve ± 1V
VR16001 (SS)
*
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. 6.1.5)
D, DN Board
Set Ve Mode until bright points disappears by IIC mode.
***
Name
Test Point
Voltage
Volume
Remarks
Vsus (SC Side)
TPVSUS (SC)
Vsus ± 2V
VR251 (P_Main_1)
*
Vsus(SS Side)
TPVSUS (SS)
Vsus ± 2V
VR251 (P_Main_2)
*
Ve Life
Check Ve Mode. (See chap. 10.1.7.2.)
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