Sony DSR-250 Service Manual page 117

For Schematic Diagram
• Refer to page 4-63 for printed wiring board.
2 3 4
1
VI-156 BOARD(25/25)
A DD CONVERTER-2(DD BLOCK)
-REF.NO.:10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
255
TO(24/25) L3307
Q3312
CPH6702-TL SWITCHING
252
TO(24/25) Q3312_E
3.2
C3335 2.8
4.7u
8.2
10V
B
10.4
258
TO(24/25) Q3312_B
C 257
TO(24/25) Q3321_G
Q3313 CPH6702-TL SWITCHING
268
TO(24/25) L3319
1.9
C3336
4.7u
10V
3.4
B
8.2
10.9
261
TO(24/25) Q3312_B
267
TO(24/25) TRF_2.8V
D Q3314 CPH6702-TL
SWITCHING
254
TO(24/25) VTR_UNREG
3.1
C3337
260
TO(24/25) Q3322_G
4.7u
2.7
10V
8.2
B
10.2
263
TO(24/25) Q3314_B
262
TO(24/25) Q3323_G
Q3316
E 256
TO(24/25) Q3325_C
2SB1581-T1
251
TO(24/25) Q3316_E
8.2 5.3
Q3317
2SB1462J-QR(K8).SO
MT 5.2V REG
R3350
47k 7.6
7.0
3.0
Q3315
F
2.6
2SD2216J-QR(K8).SO
R3351
10k
269
TO(24/25) R3396
T3301
253 Q3308_E
TO(24/25) DC-DC CONVERTER
TRANSFORMER
G
4 5
259
TO(24/25) Q3308_B 3 6
Q3308
CPH6102-TL
SWITCHING
2 7
H
1 8
I
266 T3301_8
TO(24/25)
Q3309 CPH6702-TL
SWITCHING
5.1
C3333
4.7u
10V
B 1.5
8.2
J
264 Q3309_B
TO(24/25)
9.2
265 TO(24/25) Q3318_G
K
16
5 6 7
L3307
4.7uH
L3303 L3306
22uH 4.7uH
C3351 C3352 C3358 C3357
3.2
10u 10u 10u
10u
6.3V 6.3V 6.3V 6.3V
C3342
P P P P
Q3321 4.7u
B
SI2304DS-T1
SWITCHING
L3319
4.7uH
L3314
4.7uH
L3304 L3308
L3312
4.7uH
22uH 4.7uH
1.9
C3343
CHOKE
4.7u
B
C3354 C3356
L3309
Q3322 10u 10u
22uH
SI2304DS-T1 6.3V 6.3V
P
A
SWITCHING
L3305
-7.0
22uH
-9.5
3.0 Q3334
C3344 Q3325
CHOKE 2SC5376F-B(TPL3)
4.7u
UN9213J-(K8).SO
B
Q3323 EMERGENCY
-8.9
DETECTER Q3335
SI2304DS-T1
2SD2216J-QR(K8).SO
SWITCHING
R3355 C -7V REG
47k
Q3333
2.5 R3360
2SB1462J-QR(K8).SO
47k
C -7V REG
R3356
22k
R3352
27k 2SB1462J-QR(K8).SO
± 0.5%
C3339
9.5 8.8
R3353 10u
6800 10V
Q3324 Q3328
± 0.5% TA R3358
2SB1462J-QR(K8).SO
A 100k
MT 5.2V REG AU 8.0V REG
8.9
R3354
Q3336
39k
2SD2216J-QR(K8).SO
± 0.5%
AU 8.0V REG
Q3326
5.0 2SD2216J-QR(K8).SO
AU 8.0V REG
4.6
R3395 R3396
XX 0
D3311
1SS388(TPL3)
D3312
1SS388(TPL3)
D3309
1SS388(TPL3)
D3310
Q3332
1SS388(TPL3)
2SB1462J-QR(K8).SO
P 13.5V REG
16.0
C3378
10u
20V R3359
TA 47k
16.0
C3350
C3377
10u
2.2u Q3331
20V
35V 2SB1462J-QR(K8).SO
TA
TA P 13.5V REG
Q3327
C3346 C3349
C3347 R3398 2SD2216J-QR(K8).SO
4.7u 4.7u
2.2u XX P 13.5V REG
F B B
5.0
L3313 4.7uH
L3302
22uH
L3311 10uH
5.1
L3310 4.7uH
Q3318
C3345
SI2304DS-T1
4.7u
SWITCHING B
C3353 C3355
10u 10u
10V 10V
TA
TA
4-61
8 9 10 11
Q3341
2SA2018H-T2L D 1.5V REG
1.9
R3384
IC3301
100k
5 4 1.2 C3368
1.5V REG CONT
10u
Q3340 6.3V
R3382
+ – 2SD2216J-QR(K8).SO
A
20k
D 1.5V REG
± 0.5%
C3338
0.1u 1 2 3 0.7
B
C3348
0.1
XX
B
R3383
100k
± 0.5%
R3385 R3386
470
22k
L3315
3225
2.2uH
R3406
C3359
0
C3361
10u
47u
6.3V
6.3V
A B
Q3345 Q3351
2SA1745-6.7-TL 2SD2216J-QR(K8).SO
CAM 12V REG CAM 12V REG
13.0 12.0
R3378
47k
12.4
C3366 Q3349
R3372 10u 2SB1462J-QR(K8).SO
R3388
CAM 12V REG 12.0
120k 20V
120k
± 0.5%
B ± 0.5%
TA
R3373
5.0
8200
± 0.5% Q3344
2SD2216J-QR(K8).SO
-8.5 -7.0
CAM 12V REG
4.6
Q3348
R3389
C3375 2SD2216J-QR(K8).SO
R3376
82k
10u CAM 12V REG
47k 3.0 ± 0.5%
0
20V
R3374
C3371
B
R3365
0.5 220k 10u
TA C3367
47k ± 0.5%
2.5 R3390 20V
0.1u
R3381 4700 TA
B
Q3338 47k
± 0.5%
C -7V REG
R3366
120k
± 0.5%
R3407
8.8
XX
C3364
4.7u
20V
TA
B
5.0
R3367
150k
4.6
± 0.5%
R3361 R3368
22k 20k
± 0.5%
C3374
XX
L3320
F
XX
L3318
22uH
13.3
R3369
120k
C3370
± 0.5%
2.2u
F
C3365
4.7u
15.0 25V
TA
R3370
5.1
56k
± 0.5%
4.6
R3362 Q3337 R3371
47k 2SD2216J-QR(K8).SO
18k
± 0.5%
P 13.5V REG
L3316 4.7uH
PANEL_4.6V
RP_4.6V
A_4.6V
AU_4.6V
EVF_BL_4.6V R3391 1
R3392 1
C3360 C3363 C3373
10u 10u 10u
10V 10V 10V
TA TA
TA
12 13 14
TO(1/25,2/25,3/25,4/25,5/25,6/25,
6
7/25,8/25,9/25,10/25,11/25,12/25,
REG_GND
13/25,14/25,15/25,16/25,17/25,
20/25,22/25,23/25,24/25)
D_3.1V 7
TO(1/25)
MS_3.1V 29
TO(3/25,4/25)
15
D_1.9V TO(2/25,5/25,12/25)
44
D_1.5V TO(5/25)
108
TRF_2.8V TO(12/25)
43
A_2.8V TO(5/25,8/25)
181
AU_2.8V TO(19/25,20/25)
16 TO(2/25,3/25,5/25,7/25,8/25
D_2.8V
9/25,10/25,11/25,13/25,
14/25,15/25,16/25,17/25,
22/25,23/25)
CAM_-7V
9
TO(1/25)
CAM_12V
B
101 TO(10/25,11/25,14/25,15/25
MT_5.2V
22/25,23/25)
183
AU_8.0V TO(20/25)
194
PANEL_15.5V TO(22/25)
For printed wiring board
• Refer to pages 4-125 to 127 for parts location.
• VI-156 board consists of multiple layers. However, only
PANEL_13.5V
the sides (layers) A and B are shown.
• Chip parts
193
TO(22/25)
Transistor
C 6 5
PANEL/EVF_2.8V
PANEL_4.6V
B E 1 2
107
RP_4.6V TO(12/25)
There are few cases that the part printed on this
10 TO(1/25,7/25,8/25
A_4.6V
15/25,23/25)
diagram isn't mounted in this model.
180 TO(20/25,21/25,
AU_4.6V
22/25)
201
TO(22/25)
EVF_BL_4.6V
205
EVF_BL+ TO(22/25) ME-019
(MIC AMP, EVF OUT) SW-343
LED (A)
11
CAM_DD_ON TO(17/25)
LED (B)
SB-036
(USER FUNCTION)
4-62
DSR-250/250P
Diode
4 4 5 6 3
3 3 2 1 2 1
(USER FUNCTION)
DD-146
(DC-DC CONVERTER)
IN-057
(DC IN)
MS-058
(MS CONNECTOR)
VI-156
CAMERA, DV/MS INTERFACE,
SERVO, REC/PB HEAD AMP,
AUDIO, DD CONV.
KP-011
(MENU SELECT)
AE-023 PM-040
(USER FUNCTION) (MODE SELECT)
DD CONVRTER-2
VI-156 (25/25)