Panasonic TH-50PHW6BX Service Manual page 97

TO J-BOARD
J10
PF10
1 2 5 6
IC902
LED DRIVE
TP903
TP901
2
TP902
L904
1
TP904
! D907
T901
!
COLD
HOT
!
RL901
D903
3
2
IC901
1
CONTROL
!
LINE
L905
FILTER
!
LINE L901
L902
FILTER
L903
+ -
! D902
FULL WAVE
RECTIFIER
PF
Line
Filter
Board
PF1 PF9
1 4 4 1
!
AC INLET D401
- +
P9
3 1
AC PLUG
NEUTRAL
LIVE
!
D404
- +
!
D410
P
Q416
Power
Supply
Board
TH-50PHD6/TH-50PHW6
POWER BOARD Block Diagram
PFC DC400V
350V
D419
10 9 8 4 3 2
Q404
Q406
D420
3
L402
14 16
T401,T406
D415
!
F405
Q401
AMP
L403
8 7 6 5
VCC
IC406
MOS CURR
DRIVE DET
POWER
CURR FACTOR
COMP
CONTROL
1 2 3 4
Q420
Q407
Q421
R443
PFC
IC402
1 8
2 7
3 6
4 5
D434
4
3
!
! RL401 RL402
350V
!
T410
8 14
D511
IC409
STB7V
6 15
4 5
2 13
D510
1
D557
D409 4
3 10
IC408
4 1
!
Q403
IC504
R
3 2
K A
HOT COLD
HOT
!
PR401
! Q412
Q410
Q411
DRIVE
! Q413
1
7 8 10 9
! T402
! Q414 1 3 5
6
DC180V
D539
!
! T405
Q415
16 2
D530
D537
12 6
Q519
!
T403
Q515
10 2 Q545
9
3
7
8 5
Q504 Q514 Q525
Q528
5 6
Q CLR
Q
D
3 2
1 4
IC404
!
2 3
4
1 4
IC403
!
2 3
3
STB7V
1
IC401
Q551
!
2
IC501
STB5V
POWER MPC
1 VDD P00 20
2 VSS P01 19
1
TV ON/OFF
IC502
3 18
XIN P02
X501
4NHz V SUS
3
RESET 4 XOUT P03 17
STB5V
5 P10 16
PS SOS
6 15 Q544
RESET P11
D555
STB7V
Q535
7 P21 P12 14
8 P20 P13 13
Q501 Q522
9 12
D3 D0
ALL OFF
10 D2 D1 11
Q502 Q503
COLD
DC85V DC75V
D531
Q527
! T404
7
5
9
D541
8
D543
13
D536
D544
12 D534
D545
11
2 14
K
D533
R665
R
Vda
A
IC512 DC15V
DC15V
2
DC12V
!
IC511
T407
DC5V D535
5 4
5VAVR
1 4
PR509
!
D563
Q509
Q510
Q543
1 3
Q518
IC520
6 4
Q540 Q541
7 1 2 3
PR CK
D Q
Q508
Q542
IC523
Q524
CK Q
PR CLR
1 7 6 5
Q521
Q512
D564
Q516
6
Q513 Q506
R641
IC522
Q511 Vsus
1
Q517
ALL OFF
P30
3
FAN SOS
VCC 1
P31
3
FAN SOS
VCC 1
FAN
P32
!
3
FAN SOS PR502
Q531
VCC 1
D553
P33
Q530
FAN SOS 3
VCC 1
TO SS-BOARD
P12 SS12
1
Vda
2
Vda
10 STB_PS
4
+15V
P7
1
+15V
2 +15V
TO SC-BOARD
P23
SC23
1
+15V
2
+15V
TO SS-BOARD
P11
SS11
1
Vsus
2
Vsus
1
R661
TO SC-BOARD
2
P2
SC2
Vlow
1
Vsus
3
2
Vsus
TO Z-BOARD
Z5
P5
1
+12V
2
+12V
3
5V
7 +12Vs
8
+12Vs
11
+15V
!
TO D-BOARD
D549
PR510
P25 D25
1
+12V
D554
2
+12V
5 5V
Q520
7
FAN CONT
8
STB7V
R608
D565
Csus
D505
D506
TO D-BOARD
D27
P27
2
TV ON/OFF
Q552 Q537 4
STB5V
6
FAN SOS
7 PS SOS
8 ALL OFF
Q546 3 M.POWER
Q532
TH-50PHD6/TH-50PHW6
POWER BOARD Block Diagram