Sony DSR-250 Service Manual page 116

DSR-250/250P
For Schematic Diagram
• Refer to page 4-63 for printed wiring board.
A
B
C
D
E
F
G
H
I
J
K
L
M
DD CONVERTER-1
VI-156 (24/25)
2 3 4
1
VI-156 BOARD(24/25)
NO MARK:REC/PB MODE
R :REC MODE
DD CONVERTER-1(DD BLOCK)
P :PB MODE
-REF.NO.: 10000 SERIES-
XX MARK:NO MOUNT
102
TO(10/25,19/25) UNREG_12V
146
TO(17/25) SHOE_ON
CN022 12P
POWER_CONT 1
LIGHT_CONT 2
HI_UNREG 3
UNREG_+12V 4
TO
DD-146 BOARD +8.4V_1 5
CN305
+8.4V_2 6
(THROUGH THE
VD-053 HARNESS)
+8.4V_3 7
(SEE PAGE 4-120)
+8.4V_4 8
+8.4V_5 9
P_UNREG_GND 10
GND 11
GND 12
HI_UNREG
143 TO(17/25)
192 P_UNREG_GND
TO(22/25)
LND300
LND301
LND302
LND303
LND304
LND305
R3408
LND500
R3409
LND501
R3410
LND502
R3411
LND503
R3412
LND504
R3413
LND505
R3414
LND506
R3415
LND507
170
TO(18/25,19/25,
AUDIO_GND
20/25,21/25,
23/25)
191
TO(22/25) P_UNREG
L3451
R3456
4.7uH
Q3450
0 L3452
XX
XX
CHOKE
C3450
4.7u R3457
XX
10V
B
IC3450
XX
VREF CT
81 TO(17/25) VTR_DD_ON CTL RT
CSCP +IN
C3451
CS -IN
XX
B
GND FB
VE DTC
R3450
XX
OUT CB1
C3452
Vcc CB2
XX
B
16
4-59
5 6 7 8
0
2.9
Q3352
UN9213J-(K8).SO
SWITCH
Q3353
2SD1511-R/S(TX)
SWITCH
8.3 7.0
C3310
C3308
10u
10u
8.2 16V 16V
B B
R3402
TA TA
1k
C3376
10u C3306
0.1u
16V
R3403
B
TA
XX
B
0
0
0
0
0
XX
0
XX
R3318
47k
± 0.5%
R3401 R3400 R3319
R3316
1k 1k 22k
22k
C3311
470p B
L3453
16 15
XX
C3454
C3457
XX
10V XX
10V
B
A
-IN6(C)
+IN6
-IN6
FB6
C3455
-IN5(C)
XX
R3452
B
XX
+IN5
± 0.5%
-IN5
C3458
XX FB5
CH
R3453
DTC 56
XX
R3455
± 0.5%
XX GND
C3301
0.1u B
VREF
VCC
C3456 R3451
CTL1-6,8
XX XX
B
CTL7
C3453 C3302 0.047u
B
XX
CS1-7
B
R3454
XX
CSCP
± 0.5%
C3303
0.047u
B
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
C3307 R3317
0.1u
22k
± 0.5%
10V
B
R3321
33k
± 0.5%
9 10 11 12
T3300 D3308
1SS388(TPL3)
DO CONVERTER
TRANFORMER D3306
C3313 C3314 C3316
RB501V-40TE-17
22u 22u
10u
16V 16V 16V 4 5
B
B B
TA
TA TA
C3323
4.7u
R3346
3 6
B
1k
8.3
2 7
C3324
9.6
4.7u
D3307 R3347
B
0
RB501V-40TE-17
1 8
Q3305
D3305
MCH6202-TL
RB501V-40TE-17
SWITCHING 2.5
C3326
1u
10V
C3322
B
1u
10V
B
R3332
R3328
5600
68k
± 0.5% ± 0.5%
C3315
0.001u B
R3329 C3321
10k 100p
CH
C3319
0.001u
B
14 13 12 11 10 9 8 7 6 5 4 3 2 1
R3342
100
OUT7-1
GND(O) 5678
C3328
OUT6-2 3300p
B
out6-1
IC3300 VDD(O) 567
OUT5-2
DC/DC CONVERTER
out5-1
R3344
IC3300 VSS(O) 567
47
MB4488PFV-G-BND-ER out4
VCC(O) 1234
out3-2
R3349 100
out3-1
GND(O) 1234
out2-2
R3345 100
out2-1
VDD(O) 123
R3337
220
C3320
220p
C3325
B
3300p
B
R3330
33k
R3333
56k ± 0.5%
R3334
± 0.5%
56k
R3335
± 0.5%
22k 3900
R3336 R3341
36k
± 0.5% ± 0.5%
R3323
R3322 R3325 R3327 R3331
47k
47k 22k
33k 47k
± 0.5% ± 0.5% ± 0.5%
4-60
13 14 15
168
AU_VCC TO(18/25,19/25,23/25)
VTR_UNREG 142 TO(17/25)
251
Q3316_E TO(25/25)
252
Q3312_E TO(25/25)
253
Q3308_E TO(25/25)
254
VTR_UNREG TO(25/25)
8.4V 202 TO(23/25)
Q3306
2SB1462J-QR(K8).SO
DETECTOR
1k
0
Q3307
UN9213J-(K8).SO
DETECTOR
REG_GND 6 TO(25/25)
255
L3307 TO(25/25)
256
Q3325_C TO(25/25)
257
Q3321_G TO(25/25)
258
Q3312_B TO(25/25)
Q3308_B 259 TO(25/25)
C3330
3300p
B
260
Q3322_G TO(25/25)
261
Q3313_B TO(25/25)
C3332
3300p
B
262
Q3323_G TO(25/25)
263
Q3313_B TO(25/25)
C3327
2200p
B
Q3309_B 264
TO(25/25)
265
Q3318_G TO(25/25)
R3338
11k ± 0.5%
T3301_8 266
TO(25/25)
R3339
± 0.5%
12k
267
TRF_2.8V TO(25/25)
R3340
± 0.5%
L3319 268
TO(25/25)
R3396 269
TO(25/25)
270k
VTR_DD_ON 81 TO(17/25)