Sony PFM-42B1 Service Manual page 26

+B
(1/4) 9
(1/4) 8
(1/4) 6
(1/4) 5
(1/4) 3
(1/4) 1
R302 R306 R311
390K
390K 390K
1/2W
1/2W
1/2W
R304 R307 R312 R313
390K 390K 390K 3.3k
1/2W 1/2W
1/2W
(1/4) 2
(1/4) 7
D307
1SS355
Q305
2SK1590
VOLTAGE DET
Q300
2SK1590
R309
VOLTAGE DET
100k
C317 C300 R310 C302 D301
R352 R305 C301
22k 0.47 HRU
0.22 470k 0.01 330k 0.1
16V
25V 0103
D300
HZS7.5NB2
PFM42B1, PFM-42B1E
A B
APS-132 M (3/4)
R324
10
1/4W
C307
47
50V
Q302 Q303
2SB1240 2SD1862
R329
270k
1/2W
R321 R339
470
270k
1/4W
1/2W
R340
1k
R314
D304
R316
1.3k
HRU0103
3.6k
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
BUFF 1k
C305 R320
R323 D305
1000p 4.7k
1SS355
10k
D302 C303
R342 R343 C313
HRU 470p C312
0103 10k 15k 0.047 1200p
CH
PFC ADJ
C308
0.1 RV300
2.2k
C
APS-132 M (3/4)
R349
R500
22 100
1/4W 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+
C700
C701
1
22
420V
450V
V-
R348
1 2 3 4 10k
IC302
TA76431AS
SHUNT REG
R700
100
1/4W
C314 R346 C315
0.1 5.1k 0.1
F/D
8-33 8-33
D E
1 16
R503
330 Rcs GND
2 15
Ccs ST
D504
1SS355
3 14
Cs RT
1
R510
10k
4 13
V IN CT
R507
22k R511
5 ON/OFF RT 12 R516
2 3.3k
22k
OVP
6 Vref 11
7 OUT1 OUT2 10
V Vc
E
8 9 IC500
CXA8038AP
VS CONTROL
R512
1k
C503 R502 C504 R504 C505 C506 C509 C510 C513 C514 C515
1000p 10k 1000p 220 1000p 47 0.1 0.22 0.1 330p 0.22
RV500
25V CH 25V
F/D 50V
10k
f.MIN ADJ
T702
Q702
2SK2370
D700
R709
1SS355 VA MAIN SWITCHING
4.7
R706 D702
4.7k 1SS355
C711 R714
1000p 22k
C707
470p
Q700
2SB624
R701
47 VA MAIN SWITCHING
1/4W Q703
2SK2370
D701 R710
1SS355 VA MAIN SWITCHING
4.7
C716
R707 D703
C702
4.7k 0.018
1SS355
0.1 C712 R715
1250V
1000p 22k
C708
470p Q701
R716
2SB624 C717
0.05
0.018
VA MAIN SWITCHING 2W
1250V
R704
1 16
270
Rcs GND
F/D
2 15
Ccs ST
R711 D704
10k 1SS355
3 14
Cs RT
1
4 13
V IN CT
R708
22k
R713
RT R717
5 ON/OFF 2 12
3.3k
39k
6 OVP 11
Vref
7 OUT1 OUT2 10
V E Vc
IC700
8 9
CXA8038AP
VA CONTROL
R712
1k
C713 C714 C715
R703 C704 R705 C705 C706 C709 C710
C703
0.1 330p 0.22
1000p 0.1 0.22
1000p 10k 1000p 220 47 RV700
CH
25V 25V
F/D 50V 10k
f.MIN ADJ
APS-132 M
(3/4)(SWITCHING REGULATOR)
F G
11 (1/4)
12 (1/4)
14 (1/4)
1
PH500
PC123
12V
4 1
52 (4/4)
3 2 53 (4/4)
R517
10k
13 (1/4)
PH501
PC123
4 1 54 (4/4)
2
3 55 (4/4)
PH502
2
PC123
12V
4 1
56 (4/4)
3 2 57 (4/4)
R400
4.7k
39 (2/4)
C516
0.1
T701
58 (4/4)
11
3
59 (4/4)
4 15
7 13
60 (4/4)
PH700
PC123
12V
4 1 61 (4/4)
3 2
62 (4/4)
4
R718
10k
PH701
PC123
4 1 63 (4/4)
3 2
64 (4/4)
PH702
PC123
12V
4 1
65 (4/4)
2
3 66 (4/4)
R600
4.7k
40 (2/4)
5
C718
0.1
H