Panasonic TC-42PD1 Service Manual ▷ View online
- 13 -
Service Hint
Board name
Function
Board name
Function
DS module
I/P Converter
V1 board
Front Switch
HG board
Interface
S1 board
Power Switch & Remote Receiver
D board
Digital process & Control
S2 board
Factory use
P board
Power supply
P3 board
Sustain voltage control
SC board
Scan drive
P5 board
Processing voltage control
SS board
Sustain Drive
P6 board
Prinaly voltage control
C1 board
Data drive (Upper Left)
P7 board
Sustain voltage protection
C2 board
Data drive (Upper Right)
P8 board
Processing voltage protection
C3 board
Data drive (Lower Right)
H2 board
PC input terminal
C4 board
Data drive (Lower Left)
F board
Line filter
SU board
Scan out (Upper)
H4 board
Speaker terminal
SD board
Scan out (Lower)
SS2 board
Sustain connection (Upper)
SS3 board
Sustain connection (Lower)
Remove: 4 screws (A)
6 screws (B)
10 screws (C)
9 screws (D)
C1
SU
C2
C4
C3
F
SD
SC
P
SS
SS2
HG
D
H2
H4
DS
V1
S1
S2
P8
P5
P6
P7
P3
SS3
screw(B)
(30mm)
(30mm)
Back Cover
Stand the Unit used for Optional Accessory
Remove the Back Cover
Service Position
Optional Accessory
(Pedestal)
(Pedestal)
screw(A)
(20mm)
(20mm)
screw(C)
(17mm)
(17mm)
screw(D)
(8mm)
(8mm)
(Front)
(Front)
(Front)
!
- 14 -
Adjustment Procedure
+B Set-Up
1. Confirm the main voltage set switch
is set to 230V.
Note: 230V covers input AC voltage from 200V till 265V, and 110V covers from 90V till 130V.
2. Input a Grey scale signal.
3. Set the picture controls: -
3. Set the picture controls: -
Picture mode
Normal
White balance
Normal
Driver Set-Up
4. Input an APL 100 % white signal.
5. Set the picture controls: -
5. Set the picture controls: -
Picture mode
Normal
White balance
Normal
Adjust and confirm indicated test point for the specified voltage
Test Point
Voltage
Volume
Name
P4 pin 1 (Hot)
400 V ± 1 V
R548
PFC
Confirmation (Cold)
P1 pin 10
15 V ± 0.5 V
+15 V
P5 pin 1
13 V ± 0.5 V
+13 V
P6 pin 1
13 V ± 0.5 V
Audio 13 V
P6 pin 3
-13 V ± 0.5 V
Audio -13 V
P5 pin 5
5 V ± 0.5 V
+5 V
P5 pin 8
3.4 V ± 0.5 V
+3.3 V
P7 pin 1
14 V ± 1 V
STB 14V
P7 pin 6
5 V ± 0.5 V
STB 5 V
Adjust driver section voltages referring the panel data on the panel data
label.
label.
Test point
Voltage
Volume
Name
TPDA1(C1)
75 V ± 0.5 V
R528(P1)
V
DA
TPVSUS(SS)
V
SUS
± 1 V
R639(P3)
V
SUS
TPVSET(SC)
V
SET
± 1 V
R6587(SC)
V
SET
TPVSCN(SC)
80 V ± 0.5 V
R6597(SC)
V
SCN
TPE(SS)
V
E
± 0.5 V
R494(P1)
V
E
P5 pin3
3 V ± 0.2 V
R541
ABL
230 V
110 V
P6 board
- 15 -
Adjustment Volume Location
Test Point Location
R6565
R6501
R6597 R6587
R6754
230V/110V Switch
R541
R528
R494
R639
R6654
Panel Data Label
TPDA3
TPDA1
TPDA2
TPDA5
TPDA4
TPDA6
TPVSUS
TPVE
TPSC1
TPSCN
TPSET
TPSS2
TPSS1
"
- 16 -
Sustain Pulse Adjust
1. Input a Cross hatch signal.
2. Set the picture controls: -
2. Set the picture controls: -
Picture mode
Normal
White balance
Normal
Initialization Pulse Adjust
1. Input a Cross hatch signal.
2. Set the picture controls: -
2. Set the picture controls: -
Picture mode
Normal
White balance
Normal
Confirm the indicated test point for the specified wave form.
Adjust the angle of the erase pulse.
Adjust the indicated test point for the specified wave form.
Test Point
Volume
Name
TPSS1(SS)
Sustain Pulse
Test Point
Volume
Name
TPSS1(SS)
R6754(SS)
Erase Pulse
Test Point
Volume
Name
TPSC1
R6565(SC)
Initialize Pulse
TPSC1
R6654(SC)
Initialize Pulse
2.6 sec.
1.6 sec.
185 V
5 ± 3 sec.
205 ± 5 V
15 ± 5 sec.(R6565)
75 V
30 ± 10 sec.(R6654)
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