DOWNLOAD Panasonic TH-42PHW5UZ Service Manual ↓ Size: 3 MB | Pages: 49 in PDF or view online for FREE

Model
TH-42PHW5UZ
Pages
49
Size
3 MB
Type
PDF
Document
Service Manual
Brand
Device
Plasma / GPH5D
File
th-42phw5uz.pdf
Date
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Panasonic TH-42PHW5UZ Service Manual ▷ View online

5 PCB Structure sheet of GPH5D chassis
Board Name
Function
Remarks
D1
Format Converter
1
D2
Plasma AI Sub-Field Processor
1
Z
Audio out
SS
Sustain out
1
SC
Scan out
1
SU
Sustain connection (Upper)
1
SD
Sustain connection (Lower)
1
C1
Data Drive (Upper Left)
C2
Data Drive (Upper Right)
C3
Data Drive (Lower Right)
C4
Data Drive (Lower Left)
H3
Speaker terminal
S1
Power switch
SS2
Sustain connection (Upper)
SS3
Sustain connection (Lower)
V1
Front SW. & Remote receiver
F
Line filter
P
Power supply
1
P3
Drive voltage oscillator
P5
Primary oscillator
P6
PFC oscillator
P7
Drive voltage protection
P8
Process voltage protection
HX
PC_type_Input terminal
HZ
RCA type_Input terminal
Remarks
1. Recommend PCB´s for initial service for GPH5D chassis.
7
TH-42PHW5UZ
6 Service Hint
8
TH-42PHW5UZ
7 Location of Lead Wiring
9
TH-42PHW5UZ
8.1.
+B Set-up
8.1.1.
Item / Preparation
1. Input a Grey scale signal.
2. Set the picture controls: -
Picture mode: Normal
White balance: Normal
8.1.2.
Adjustments
Adjust and confirm indicated test point for the specified voltage.
Adjust
Name
Test point
Voltage
Volume
PFC
P24 pin 1
400V ±1V
R548
Vsus
P1 pin 2
175V ±1V
R639
Vda
P3 pin 1
75.0V ±0.5V
R545
Confirm
Name
Test point
Voltage
+18V
P4 pin 1
17.2V ±0.5V
+13.5V
P5 pin 1
13.2V ±0.5V
Audio +15V
P6 pin 1
13.5V ±0.5V
Audio -15V
P6 pin 3
-13.5V ±0.5V
5.25V
P5 pin 5
5.1V ±0.3V
STB5V
P7 pin4
5.0V ±0.3V
8.2.
Driver Set-up
8.2.1.
Item / Preparation
1. Input an APL 100 % white signal.
2. Set the picture controls: -
Picture mode: Normal
White balance: Cool
Aspect: 16:9
8.2.2.
Adjustments
Adjust driver section voltages referring the panel data on the
panel data label.
Name
Test point
Voltage
Volume
Vsus
TPVSUS
(SS-BOARD)
Vsus ±1V*
R639
(P3-BOARD)
Vbk
TPVBK
(SC-BOARD)
Vbk ±5V*
R6670
(SC-BOARD)
Ve
TPVE
(SS-BOARD)
Ve ±1V*
R6770
(SS-BOARD)
Vset
TPVSET
(SC-BOARD)
218 V ±6V
---
Vad
TPVAD
(SC-BOARD)
Vad ±1V*
R6477
(SC-BOARD)
Vda
TP117
(C9-BOARD)
74V±1V
R545
(P1-BOARD)
Vscn
TPVSCN
(SC-BOARD)
Vad+118±2V
---
*See the Panel label.
8 Adjustment Procedure
10
TH-42PHW5UZ
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