Panasonic TH-37PD25U-P Service Manual page 123

380V
*IC551
SUSTAIN
C5HABZZ00123
VOLTAGE
CONTROL
DRV.REG
=8.3V
Drain
640V
3
DRIVE
Rg2
Rg1
ATCH
2
R565
Source
680
1
-
+ OCP/FB
O.S.C
-
+
C551 R560
R550
50V
0.56 0.56
470p 1W
1W
GND 5
D555
B0HCMM000001
D553
B0HCMM000001
R557
3.3k
D562
B0HCMM000001
15V
R650
C556
D650
2.2k
50V
D550
B0HCMM000001
1W 22u
B0HCMM000001
IC550
C0CAAME00003
3 OUTPUT 1
INPUT
48
D652
V C549 C650
B0HCMM000001
0u 50V
GND 50V
100u 100u
2
DC380V
R563 R572 R578 C559
68k 68k 68k 630V
3W 3W 3W
0.047u
750V
D563
RC3B2LFU1
750V
C560
2kV
220p
R564
680
C552
50V
R569 R576 D558
470p
0.47
0.47 B0BA01000046
2W
2W
R580
22
1/2W
D556
D564
R573
B0HCMM000001
B0HCMM000001
2.2k
C553
D554
50V
B0HCMM000001
1000p
R558
D559
3.3k
B0HCMM000001
15V
C555
25V
100u
375V
R409
C408
2kV 100k
STANDBY
D406
29 3900p
1W
B0EAEV000001
0k
VOLTAGE
%
CONTROL
520V
30
IC401
0k
%
MIP2E1DMY1TV
31
D407
0k
B0HCMM000001
%
D405
MAZ30820LL
C411
50V
0.1u
Q405
R407 R410
B1CBGD000001
0 6.8
R408
6.8
C407
50V
R432
0.1u
C409
100k
25V
1%
47u
5
75
!
C563
HOT Not specified DC COLD
1000p
R577 C557
68k 630V
3W 0.047u
10 NC
D567
B0HARR000009
-550V
9 P1 S1 12
D570
D560
B0HARR000009
RC3B2LFU1
C566
C558
2kV
7 PTA STA 14
2kV 1000p
100p
6 PTB STB
15
4 P2 S2
17
D557
R587
B0BA01000046
D572
22
B0HCMM000001
S4 1/2W
R568 R574 18
0.56
0.56
1W 70V 70V
1W
2 V1 S3 19
C569
R579
1kV
1 V2 NC
20
22 100p
1/2W
!
T501
R575 D561
TPP1
2.2k ETS49BP116AD
B0HCMM000001
C554
50V
220p
R584
2.2k
!
C561
50V D565
R581
4700p
1k
B3PAA0000012
R585
100
IC553
C0DAEJC00003
ERROR
DETECT
21V
D568
B0HFRJ000012
C564
1kV 100p
R652
22
1/2W
70V 18
1 V2 70V
S8
C591
17
2 V1 1kV
S7
100p
16
3 V3
S9
D660
70V
B0HFRJ000012
70V 15
4 V4
S5
14
S6
70V
C571 B0HFRJ000012
13
S3
1kV
100p
7 P2 12 70V
S4
D574
11
8 PT
S2
B0HFRJ000012
10 250V
9 P1
S1
!
T502
Q552
ETS42BV116AD
D B1DEGQ000019
G
S
R593
100k
D575
B0JCME000025
C565
!
D566
R583
B3PAA0000012
2.2k
R582
C562
1k
50V
4700p C567
R586
50V
100 4700p
ERROR
R588
47k
DETECT
!
IC557
T401
ETS25AD1H6AG
C0DAEJC00003
8 P2 NC 9
7 PT NC 10
C414
500V
560p
6 P1 NC 11
5 NC S1 12
L401
D409
ELEXT100KA
B0HCMM000001
4 13
V1 NC
3 V2 S2 14
2 15
R411 V3 NC
100
1/2W R412
220
1 V4
1/2W
C412
R413
!
50V
10k
C415
10u
D408
50V
R571
B3PAA0000012
4700p
0
IC402
C0DAEJC00003
ERROR
DETECT
6
Vsus=170V ~ 190V
190V
C573 R597 R600
200V 220k 220k
1/2W 1/2W
1800
C574
R598
200V 220k
1/2W
1800
20V
C575 R592
2.2k
50V
22u 1W
R602
46.4k
135V
D583
R603 MA3X152K0L
49.9k
1%
D571
MAZ30560ML
65V
D584
MA3X152K0L
R604
49.9k
1%
C568
35V
50V
Vsus
4700p
D585
MAZ30560ML
R605
R554
50k
105k
R591
47k R552
105k
2.5V
R606 R555
2.55k 2.49k
1%
1%
12V
C572
25V
2200u
15V
C570
C590
1kV R619 R621
25V
D661 D581
470p 4.7k 4.7k
2200u
MA3X152K0L MA3X152K0L
12V
D573
C576
25V
2200u
15V
C577
25V
2200u
D576
B0HCMM000001
R595
D577 D579
470
MA3X152K0L MA3X152K0L
1/2W
R594
22 R601
R608 R610
1/2W 6.8k
6.8k
Q554 3.3k
R599
1%
4.7k 2SC3311A0A
R609
R607
4V
12.1k
150
1%
R596
6.8k
IC554
C578
D578
50V
C0DAEJC00003
MA3X152K0L
Q553 3300p
2SB0621AWA
D580
MA3X152K0L
R589
49.9k
1%
ERROR
R561 DETECT
12.1k
1%
12V
R590
10k
Vda
IC403
2.5V
AVR 5V
AN7705F
R635
2.55k
1%
1 IN
7V
COM
D410
C418
2
B0HCMM000001
16V
100u
R417
100k
C416
16V
470u
R418 R420
0 10k
+
C417
25V
D412
47u
D411
MAZ30510ML
B0HCMM000001
R415
3.9k
1% Q401
2SC3311A0A
R414
47k
Q403
2SC3311A0A
R416
2.55k
1%
Q402
2SC3311A0A
R423
22k
7
P2
1 Vsus
Vsus
2
3
D592 NC
B0HCMM000001
GND
4
GND
5
D593
B0HCMM000001
GND
6
D586
B0HCMM000001
7V
15V
R623
10k
D594
MAZ30560ML
20V
R617 R626
10k 10k
D590
MA3X152K0L
D595
R616 R613 MA3X152K0L
1k 10k
Q555
2SC3311A0A
Q557
R614
4.7k
2SC3311A0A
R625
10k
IC558
C0DAEJC00003
C585
D596
ERROR 25V
MAZ30510ML
100u
DETECT
D582
MA3X152K0L
7V
AVR 5V
IC555
C0DAAHG00007
R611
1.5k
1%
C583
50V
R615
0.1u
1k
R612
2.55k
1% R618 R620
L554
68 68
220u
5V
C581
6.3V
1200u D589
B0HCMM000001
C579
25V
220u
*C421 *C421
50V 50V
0.1u 0.1u
*C422 *C422
50V 50V
0.1u 0.1u
OUT 3
C419
10V
470u
C586
50V
Q404
0.01u
R422
2SC3311A0A
10k
R421
10k
R426
4.7k
R425
47k
R427
4.7k
R424
47k
R428
22k
C420
25V
P10
100u
TH-37/42PD25U/P P-Board Schematic Diagram
8
TO
TO
SC-BOARD
SC-BOARD P11
(SC11)
(SC2)
1 NC
2 Vsus
3 Vsus
4 NC
GND
5
GND
6
GND
7
TO
SC-BOARD
P23
(SC23)
1
DR15V
2
DR15V
3
GND
TO
PA-BOARD
P5
(PA5)
1
12V
2
12V
3
5V
4
STB5V
5
GND
6
GND
7
+12Vs
8
+12Vs
C584
R627
50V
9
47k
0.01u
GNDs
10
GNDs
11
DR15V
TO
D-BOARD
P25
(D25)
1
12V
2
12V
3
GND
4
GND
5
5V
6
GND
7
FAN_CONT
8
STB7V
TO
PA-BOARD
P7
(PA7)
1 +15Vs
2 +15Vs
3 GNDs
4 GNDs
TO
SS-BOARD
P12 (SS12)
Vda
1
DR15V
2
3 GND
STB PS
4
5
GND
TO
D-BOARD
P27
(D27)
TP50
1
RUSH ON/OFF
TP51
2
TV ON/OFF
3
M_POWER
4
STB5V
5
KILL SOS
6
FAN SOS
7
PS SOS
8
ALL OFF
9
GND
R628
R630
47
4.7k
1/2W
Q558
2SC3311A0A
R631
100k
9