Srv938Ek Schematic Diagram - Sony SE350K Service Manual

SRV938EK (POWER SUPPLY) SCHEMATIC DIAGRAM
– Ref. No.: SRV938EK board; 2,000 series –
1 2
SRV938EK BOARD
A
D101-104
IN4005
0 0
D103 D101
C151
+
47
B
400V
0 0
D104 D102
0
C108
1000p
250V
0
C
C109
1000p
R162
250V
33k
C159 100p
D
R163 3.9k
C160
10000p
C161
1000p
E
F
0
CN101
2P
0
0
2
0
R101
L101
1M
Z101
AC IN
10µH
1/2W
1
G
0
F101
T2AL
250V
05
3 4 5
0
T151
POWER TRANSFORMER
D151
P6KE300
R151
Q151
1M
SWITCHING
REG
L151
D152
R152
UF4007
1M
R155
D158
2.8 310
10k MA4270
Q151
C153
2SK3047
3300p
0
R156 D153 R158
1SS119 82
2.2M
R157 R159
22
2.2M
C155
22
0
50V
IC151
C157
TDA16846
2.6
1000p
1 14
13.2
C158
1.6 2.9
820p
2 13
R160
33
0.7
3 12
R161
D154
33k
PR1003
5.6
4 11
C156
2.2
1
2.7
50v
5 10
6.1
6 9
6.1
7 8
R164
18k
IC151
POWER
PC151
0
CONTROL
ON3171
0
0
0
0
C104 0
L102
C102
1000p
C101 33mH L103
0.1
250V
0.1 33mH
275V
275V C103
1000p 0
250V
C105
0
1000p
250V
4-39
SLV-SE350/SE500/SE600/SE650/SE700/SE800/SX600/SX700/SX800
6 7
Q301, 302 307
D251
R251
SWITCH
PR1003
56
B+
50.6 0
C251
+
D301 47
Q301
B+ 50V
UF3DL 2SD2394
R315
Q307 –0.2
1k
2SA1015
2W
51.8
C301
R301 R302 1k 1W
R316
+
220 51.7
100k 10k
0
50V
Q302
DTC143EKA
B+ 50.6
R312 R313
0
Q305
Q304
10 10
2SB733
50.6 0
2W 2W 2SC2785 0
R308
B+ 50.6
1k
D303
R307 1k 1W MTZJ20
R306
51.6
10k 0
D252 L201 Q306
UF3DL DTC143EKA
10µH
B+
13.6
2SB733
12.8
R201
R203
C201
+
C252 + Q201, 204 1k
180
220
680 SWITCH
2W
0.5
25V
25V 0.7
Q204
2SC2785
0
B+ PS201 1.6A
D253 L202
SB340L 10µH
B+ B+
0
PS202 2A
VR251
R261 +6V
5k
1k R207
R266
220
R263
3.3k
C202
+
C261
C253 R265 18k
+ 470
D203
0.22
1200 4.2 10k
10V
MTZJ5.1
10V
D204
1SS119
IC251 R264
2.5
AN1431T 15k
C254
D254 L205
R252
470
PR1003 1µH
0.22
25V
0
B– PS251
750mA
IC251
SHUNT
REG
8 9
B+
D30
D2S4M
C209
R314
0.01
1k
B+ B+
2W
Q303 2SD2394
B+
13.4
D302
Q303-306
B+
D2S4M
0.5
SWITCH
D304
D2S4M
C303
+
R311
22
10k
50V
13.5
Q201 0
B+
B+
C203
+
220
C206
Q203
R206
R219
16V
47
SWITCH
4.7k 1.5k
35V
+
Q203
R220
4.7k 2PD601A
5.9
5.2
R222 220
5.2
Q205
R209 5.9
2SD2394
R208
220
SW5V REG
220
C208 C213 C212
+ +
10.2 470 0.1 0.01
50V
Q206 10V
2SC2785 B–
C207
R210
+
D205 10
6.5
1k
R218
1SS119 50V
33
3W
Q206
SWITCH
–11.7
B– –11.7
R213
Q207
47k
2SD1862
–11.1
R217
R216
10
4.7k
5.9 1W
5.9
Q210
DTA114EKA
0
5
Q211
DTC114EKA
Q207, 210, 211
SWITCH
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
4-40 E
10 11
CN201 19P
1 AN GND
2 OSD VCC
3 CAPSTAN VCC
4 CAPSTAN VCC
5 MTR 12V
6 MTR 12V
7 MTR GND
8 MTR GND
9 P CONT M24V
10 P CONT M18V
MA-373 BOARD (9/9)
CN600
11 P CONT M12V
(SEE PAGE 4-29)
12 13V
13 SW 12V
14 D6V
15 SW 5V
16 SW 5V
17 AN GND
18 AN GND
19 AN GND
B+
CN202 7P
1 –11V CONT
2 38V
3 –11V
MA-373 BOARD (9/9)
4 +F (2.9V)
CN601
(SEE PAGE 4-29)
5 D GND
6 –F (0V)
7 D GND
POWER SUPPLY
SRV938EK