Sony PFM-500A3WE Service Manual page 178

1
+B
(1/4) 9
(1/4) 8
(1/4) 6
(1/4) 5
(1/4) 3
(1/4) 1
R302 R306
390K
390K
1/2W
1/2W
R304 R307
2
390K 390K
1/2W
1/2W
(1/4) 2
3
(1/4) 7
D307
1SS355
Q305
2SK1590
VOLTAGE DET
Q300
2SK1590
R309
VOLTAGE DET
100k
4
C317 R352 C300 R305 C301
0.22 470k 0.01 330k 0.1
25V
D300
HZS7.5NB2
5
A B
APS-132 M (3/4)
R324
10
1/4W
C307
47
50V
Q302 Q303
2SB1240 2SD1862
R311
R329
390K 270k
1/2W
1/2W
R321 R339
470
270k
1/4W
1/2W
R340
1k
R312 R313 R314
D304
R316
390K 3.3k 1.3k
HRU0103
3.6k
1/2W
C309
0.1
R318
22k
C306
1000p
C304 C310
1000p
47
50V
R317
1M
D303
HZS7.5B2
1
16
GND OUT
2 PK LMT Vcc
15
R325
2.2k
3 CA OUT CT
14
4 I SENSE SS 13
5 MULT OUT
12
Rset R328
4.7k
6 IAC V 11
SENSE
7 VA OUT ENA
10 R327
22k
V(rms) Vref
8 9
IC300
R326 C311 R341
R319
TK83854D 150k 0.1 510
220k
PFC CONTROL
Q301
R315
2SA1037AK R322
10k
1k
BUFF
C305 R320
R323 D305
1000p 4.7k
1SS355
10k
D302 C303
R310 C302 D301
22k 0.47 HRU HRU 470p R342
16V 0103 10k
0103
PFC ADJ
C308
0.1 RV300
2.2k
C
APS-132 M (3/4)
R349
22
1/4W
+B
R344
470k
1/2W
F
R345
470k
1/2W
F
D306
1SS355
Q304
2SA1037AK
R351
BUFF
4.7k
C316
R347
0.1
330
IC301
BA10393F-E2
COMP
8 7 6 5
V+
V-
R348
1 2 3 4 10k
IC302
TA76431AS
SHUNT REG
R343 C313 C314 R346
C312 C315
15k 0.047 1200p 0.1 5.1k 0.1
CH F/D
9-44 9-44
D E
1 16
R503
330
Rcs GND
2 15
Ccs ST
R500 3 14
Cs RT
1
100
R510
1/4W
10k
4 13
V IN CT
R507
22k R511
5 ON/OFF RT 12
2 3.3k
OVP
6 Vref 11
7 OUT1 OUT2 10
V Vc
E
IC500
8 9
CXA8038AP
VS CONTROL
R512
1k
C503 R502 C504 R504 C505 C506 C509 C510 C513 C514
1000p 10k 1000p 220 1000p 47 0.1 0.22 0.1 330p
25V CH
F/D 50V
T702
D700
R709
1SS355 VA MAIN SWITCHING
4.7
R706 D702
4.7k 1SS355
C711 R714
1000p 22k
C707
470p Q700
2SB624
R701
C700 C701 47
VA MAIN SWITCHING
1
22
1/4W
420V
450V
D701
R710
1SS355 VA MAIN SWITCHING
4.7
R707 D703
C702
4.7k
1SS355
0.1 C712 R715
1000p 22k
C708
470p Q701
R716
2SB624
0.05
VA MAIN SWITCHING 2W
R704
1 16
270
Rcs GND
F/D
2 15
Ccs ST
R711
10k
R700 3 14
Cs RT
1
100
1/4W
4 13
V IN CT
R708
22k
R713
5 ON/OFF RT 2 12
3.3k
OVP
6 Vref 11
7 OUT1 OUT2 10
V Vc
E
IC700
8 9
CXA8038AP
VA CONTROL
R712
1k
C713 C714
R703 C704 R705 C705 C706 C709 C710
C703
0.1 330p
0.1 0.22
1000p 10k 1000p 220 1000p 47
CH
25V
F/D 50V
APS-132 M
(3/4)(SWITCHING REGULATOR)
PFM-500A3WE/500A3WG/500A3WU/510A2WE/510A2WG/510A2WU
F G
11 (1/4)
12 (1/4)
14 (1/4)
PH500
D504 PC123
12V
1SS355
4 1
52 (4/4)
3 2 53 (4/4)
R516 R517
22k
10k
13 (1/4)
PH501
PC123
4 1
54 (4/4)
2
3 55 (4/4)
PH502
PC123
12V
4 1
56 (4/4)
3 2 57 (4/4)
R400
4.7k
39 (2/4)
C515 C516
0.22 0.1
RV500
25V
10k
f.MIN ADJ
T701
58 (4/4)
11
Q702
2SK2370
59 (4/4)
4 15
Q703
2SK2370
C716
0.018
1250V
C717
0.018
1250V
7 13
60 (4/4)
PH700
PC123
12V
4 1 61 (4/4)
D704
1SS355
2
3 62 (4/4)
R718
R717
39k 10k
PH701
PC123
4 1 63 (4/4)
2
3 64 (4/4)
PH702
PC123
12V
4 1
65 (4/4)
3 2 66 (4/4)
R600
4.7k
40 (2/4)
C715 C718
0.22 0.1
RV700
25V
10k
f.MIN ADJ
H