Panasonic TH-37PG9W - P-Board Block Diagram (37 Inch)

14.3. P-Board Block Diagram (37inch)
+
- +
- +
R628
D520
D511
Q409
Q408
D529
D435
D535
D416
R661
1
2
3
Q412
Q527
C469
D430
D521
D505
D563
D528
Q413
C555
D417
R671
D404
X501
4NHz
D530
D420
D509
D596
D419
D401
R665
1
2
3
R443
1
2
3
D25
1
STB_PS(12V)
3
2
Vdat OVER VOLTAGE
17
INV.
ON:L
C447
2
+5Vc
4
INV.
1
Q434
9
R410
H:ON
Q402
ECO ON
2
10
G
IC409
7
2
L403
1
Q421
IC404
PHOTO
(IPD)
SS12
+15Vc
CIRCUIT
Vda
Q401
IC403
POWER MCU
+15Vs(S)
Q510
RESET
TO
3
73V
D407
4
COLD
+15Vs(W)
3
Q564
4
+15Vs(W)
Q565
T601
D569
R455
COLD
Q568
2
PHOTO
F STB 14V
D570
1
HOT
R534
D571
10
3
1
D585
STB_PS
R674
R670
OVER
R676
D539
Q422
Q541
R626
3
Q524
2
R656
AC GOOD
AC POWER
Vda70V
R650
OUT
S
R627
F STB ON
2
Q540
8
R649
PHOTO
COUPLER
F 5A 250V
V LOW DET
STB12V
OUT
T402
5V OUT
OSC
AC P DET
DETECTION
13
VOLTAGE
Q538
OSC
Q509
DETECTION
12
(60V 40V)
15
R631
Vcc
TV ON/OFF
DETECTION
16
16
COUPLER
PR505
VSUS DET
(490V 80V)
17
PHOTO
NEUTRAL
F_STB ON/OFF
DETECTION
15
IC405
D
6
15V OVER
18
Q555
D586
VCC
F STB 14V
2
VOLTAGE
4
MOS
T404
2
2
6
+15Vc
(16V 2V)
DRIVE
5
ERROR DET
IC505
PFC ON/OFF
1
PROTECTION
(Vda)
CURR
DETECTION(100V 25V)
3
COUPLER
Q520
DET
8
Q517
HOT
CURR
LIVE
+15Vc
7
POWER SUPPLY
COMP
P9
IC401
4
2
9
COUPLER
IC501
1
D531
Vda
PHOTO
15
Q508
3
PHOTO
DC POWER CONTROL
15V
RL402
7
COUPLER
7
GND
4
14
SC2
8
2
RL403
DC-DC
POWER SOS
Q407
13
TO
IC512
LED BLINKING : 4TIMES
POWER
PS SOS
CONVERTER
D542
Q420
PR601
VSUS DET
GND
COLD
Q556
INV.
Q404
9
D544
1
DC/DC CONV.
S
INV.
COUPLER
P10
12V DET
D545
Q406
8
6
VSUS ON/OFF
3
SW
PHOTO
Csus
R406
5
R622
T407
Source
TO
CONTROL
R533
7
19
R648
12V ON/OFF
1
D415
4
4
Source
5
+15Vc
1
R636
INV.
D579
3
(3V 1.0V)
Q521
IC406
1
3
P
BUFF
TO
7
5
Q569
HOT
178V
ERROR DET
POWER
BUFF
5
BUFF
1
IC411
11
AC CORD
INV.
(1.7A)
F402
Q537
ZCD
FACTOR
1
Vdd
ECO ON/OFF
Q512
TO
7
SW
CORRECTOR
Vsus
SWITCHING
PFC DET
IC510
GD
Q535
K
P11
R579
STB5V DET
A
8
8
2
P2
Vsus
VlOW DET
VCC
6
FB
Vsus
6
IC504
10
Drain
SS11
D
14
PR401
7
5
3
2
1
9
REGULATOR
PFC
IC502
3
D513
2
R444
RESET
S
VFF
4
3
RECTIFIER
4
R475
G
DC/DC CONV.
1
15
STANDBY POWER SAVE
2
4
Q558
R441
Q563
5V
5
D
1
(Vlow)
VlOW DET
R526
6
R442
2
4
A
3
15
Vsus 175V
R527
ERROR DET
D572
4
4
CS
19
PFC DET
IC402
POWER
Vlow
S
H:ON
J10
6
INV
ERROR DET
24
Vlow
OVER
SW
4
3
4
IC509
BUFF
9
18
3
1
6
D441
Vsus POWER CURCUIT
BUFF
BUFF
2
10
1
2
22
STB5V ON/OFF
VSUS DET
5
4
Vcs
6
OSC
1
8
13
STB5V
23
D602
VOLTAGE
5
R620
395V
(15V)
4
14
Q507
16
Q561
VOLTAGE
R589
R496
2
D549
Vda
12
AC_GOOD
17
PROTECTION
R590
R495
P12
D531
21
MAIN RELAY
4
V LOW ON/OFF
D536
R621
+15V
R494
20
RUSH RELAY
1
RUSH
+15Vc
ON
2
VDD
VSUS
ON/OFF
R666
TO
R472
VSS
ALL OFF
D551
1
R473
XIN
11
S
2
XOUT
COUPLER
Q559
IC412
3
3
RESET
6
13
3
D574
STB PS
D
J4
F_STBY_ON
IC507
16
D
PFC DET
P5
ALL_OFF
D514
STB 5
ON/OFF
13
3
R545
4
1
PS_SOS
LOW 15
10
3
7
F401
PANEL_MAIN_ON
D
8
1
D512
ECO_ON
Q418
OSC
7
2
Q566
1
F STB 14V
5
K
R497
L405
4
+15V
R465
1
2
(350V 40V)
2
SW
1
2
PFC OUT
4
RECTIFIER
+15V
IC408
SW
Q501
3
P23
L:ON
4
T410
Q502
Q557
TO
2
1
Q525,Q530
1
D
2
SC23
L404
1
D
(Vsus)
(490V 80V)
9
2
R413
3
Q551
COUPLER
+5Vc
1
L410
1
12
Q505
IC410
PHOTO
TO
R407
3
R458
ERROR DET
COUPLER
STBY5V
MAIN
4
R427
ECO
R464
IC506
ON
PHOTO
7
2
Q553
R435
12V
D418
Q554
P25
1
2
3
IC520
S
PR509
C446,
(F STB 14V)
623 8
10
1
T401
14
7
11
TH-37PG9W
P-Board Block Diagram
TH-37PG9W
P-Board Block Diagram
TH-37PG9W / TH-42PG9W
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