Power Block Diagram - Panasonic TH-42PHW7EX Service Manual

15.3. Power Block Diagram

TO J-BOARD
J10
PF10 1 2 5 6
IC930
ERROR DET
TP930
L930
TP931
IC920
FEED BACK
T920
COLD
RL920
HOT
D911
4 5
1 D VCC OCP
6 FB
S
3
IC910
POWER CONTROL
+ -
D910
FULL WAVE
RECTIFIER
LF903
LF901
LINE PF
FILTER LF902
Line
Filter
Board
PF1 1 4 PF9 4 1
AC INLET D401
- +
P9
4 1
AC PLUG
D404
- +
D410
IC409
4 5
P
2 1
Power
Supply
Board
TH-42PHD7BK/EK/UY, TH-42PHW7EX
Power Block Diagram
350V
D419
PR401
10 9 8 4 3 2
T401
Q404
Q406
D420
L402
14 16
D415
F405
Q401
L403 Q414
8 7 6 5
VCC
IC406
MOS CURR
DRIVE
DET
Q415
POWER
CURR FACTOR
COMP
CONTROL
1 2 3 4
Q420 Q422
Q407
Q418 Q421
R443
PFC
IC402 IC405
5 4 2
1 3 1
1 4
IC404
IC411 IC410
2 3
5 4 2
1 4
IC403
1 3 1
Q417,Q408 2 3
4 1
IC401
3 2
RL403 RL402
350V
T410
8 14
D511 IC502
IC507
D409
RESET
2 1
15
6
D555
4 13
3 D510 Q535
2
1
10 Q501 Q522
IC408
4 1
Q502 Q503
D557
IC504
3 2
3 1
HOT COLD
HOT COLD
D531
T404
7
5
Q412 9
8
13
12 D534
10
11
2 14
Q413
D532
1 2
10 9 6 5
T402
4 3 2
T407
6 5 4
DC180V
D539
T405
7
1
D530 D563
D537
Q510
2 11
Q519
T403 Q518
Q515
5 4
Q545
6
3
9
Q525
10 2
Q504
Q514
Q528
5 6 7
Q CLR PR
IC521
Q CK
D
3 2 1
Q512
IC525
4 6
3
IC522
4
1
3 1
Q551 Q550
IC501
POWER MCA
1 VDD P00 20
2 VSS P01 19
3
TV ON/OFF TV ON/OFF
3 XIN P02 18
X501
4NHz
1
4 XOUT P03 17
5 P10 16
PS SOS PS SOS
Q544
6 RESET P11 15
7 P21 P12 14
8 P20 P13 13
9 D3 D0 12
ALL OFF ALL OFF
Q555
10 D2 D1 11
67
TH-42PHW7EX / TH-42PHD7EK / TH-42PHD7BK / TH-42PHD7UY
Q527
D544 D545
D543
3 1
D561
D536 2
IC512
D551
DC15V
D535
PR509
DC12V
D521
IC524
1 3 4
IC520
- +
1
Q542 R661
6 4 1 3
2
Vlow
Q540 Q541 Q509 3
1 2 3
CK D Q
IC523
PR CLR Q
7 6 5
Q521 D549
PR510
D554
Q520
D564
Q516
Q513 Q506
R641
Vsus
Q511
R608
Csus
Q508 Q524
Q537
Q552
Q547 Q554
1 REF K 3
IC503 2
Csus
TH-42PHD7BK/EK/UY, TH-42PHW7EX
Power Block Diagram
TO SS-BOARD
P12 SS12
DC75V
1
Vda
R665
2
Vda
Vda
4 +15V
8 STB12
10
STB_PS
NO USE
P7
1 +15V
2
+15V
TO SC-BOARD
P23
SC23
1
+15V
2
+15V
TO SS-BOARD
P11
SS11
2 Vsus
3
Vsus
TO SC-BOARD
P2
SC2
1 Vsus
2
Vsus
TO Z-BOARD
P5 Z5
1
+12V
2 +12V
3
STB5V
6 +12Vs
7 +12Vs
8 +12Vs
TO D-BOARD
P25 D25
1
+12V
2
+12V
5 +5V
6 +5V
TO Z-BOARD
P10 Z10
1
+15V
Q536
4 +5V
5
FAN CONT
3 FAN SOS
Q538 TO D-BOARD
P27 D27
2 TV ON/OFF
4
STB5V
6
FAN SOS
7 PS SOS
8 ALL OFF
3
FAN CONT
Q553