Dc Regurator; Printed Wiring Board - Sony DCR-VX2000 Service Manual

DCR-VX2000/VX2000E
For Schematic Diagram
• Refer to page 4-103 for printed wiring board.
1
DD-138 BOARD(2/2)
DC REGURATOR(DD-2 BLOCK)
A
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
B
7 TO(1/2)
C
9
TO(1/2)
11
TO(1/2)
D
E
12
TO(1/2)
F
G
H
I
14
TO(1/2)
J
K
L
16

DC REGURATOR

DD-138 (2/2)
2 3 4 5
MGSF3455VT1
8.4
SHOE_UNREG
C362
R363 1u B
Q329,339
10k 2012
SWITCH 8.2
8.4
R364
0
1M
R401 D316
Q329
1k MA2S111-(K8).SO
UN9213J-(K8).SO
REG_GND
CAP_VS
DRUM_VS
L306
4.7uH
D_3.1V
L307
4.7uH
D_3.1V
D_1.9V
L308
4.7uH
D_1.9V
L319
4.7uH
IC301
1.5V REG
IC301
TA75S01F(TE85R)
R382
20k
± 0.5%
C351 C352 C358 C357
C338 R383
10u 10u 10u 10u
0.1u 100k
6.3V 6.3V 6.3V 6.3V ± 0.5%
B
P P P P
TRF 2.8V
L315
2.2uH 3225 ANALOG 2.8V
L314
AUDIO 2.8V
4.7uH
L312
4.7uH 3225 DIGITAL 2.8V
2.8V
L309
C354 C356 C359 C361
22uH
22u 10u 10u 47u
3225
6.3V 6.3V 6.3V 6.3V
TA B P A B
Q334
2SC5376F-B(TPL3)
13.5V
-7.2
-VCAM
R372
Q335
R360
120k
2SD2216J-QR(K8).SO
47k
± 0.5%
-10.8 R373
8200
-10.8
± 0.5%
-7.2
Q333-335,338
-7V REG
C366
0.5 10u
20V
Q338
TA B
2SB1462J-QR(K8).SO
R365 R374
47k 220k
± 0.5%
AU_8.0V
R366
R358
120k C364
100k Q328
± 0.5% 4.7u
Q326,328,336 XX
20V
+8.0V REG. TA
Q336
XX
Q326
R367
XX
100k
± 0.5%
R361 R368
22k 33k
± 0.5%
Q332
Q331,332
2SB1462J-QR(K8).SO
+13.5V REG
15.5V
16.7 13.6
R359
Q327,337
47k
+13.5V REG.
16.0
13.6
Q331
2SB1462J-QR(K8).SO
15.5
15.5
Q337
2SD2216J-QR(K8).SO
4.1
4.1
Q327
R362
2SD2216J-QR(K8).SO
47k
L316
PANEL_4.6V
4.7uH
4.6V
L313
RP_4.6V
4.7uH
L311
A_4.6V
4.7uH
L310
AU_4.6V
4.7uH
EVF_BL_4.6V
C353 C355 C360 C363
10u 10u 10u 10u
10V 10V 10V 10V
TA A TA A TA A TA A
4-107
6 7 8 9
Q339
0
D314
MA2S111-(K8).SO
R393 R394
0 0
2012
2012
Q341
2SA2018H-T2L
1.9 1.6
R384 C368
100k
3.2 0.7 10u
1.2
6.3V
5 4
A
D315
0.7
MA3XD21001S0
+ –
Q340-341
1.5V REG
C348
1 2 3 0.1
XX
B
1.5 1.5
R386
R385
470
22k
R380
Q344-345
0
348,349,351
12V REG
Q345
2SA1745-6.7-TL
13.5 12.3
R388
120k
12.9
± 0.5%
R378
47k
12.3
Q344
12.4
2SD2216J-QR(K8).SO
4.6
C372
10u
20V
TA B
4.1 4.1
R389
R376
68k
47k ± 0.5%
Q348
2.8 C371
2SD2216J-QR(K8).SO
10u
2.3 20V
C367 R381 R390 TA B
4700
0.1u 47k
± 0.5%
B
R379
XX
B
Q344,345,348
349,351
+12V REG.
C369
2.2u
L317
F
22uH 2012
R369
120k
± 0.5%
L318
C370
22uH
2.2u
F
2012
R370
56k
± 0.5%
C365
R371
4.7u
6800
20V
± 0.5%
TA B
R391 1
2012
R392 1
C373
2012
10u
10V
TA A
10 11 12 13
SIGNAL PATH
Drum speed servo
Drum phase servo
Drum servo (speed and phase)
Capstan speed servo
Capstan phase servo
Capstan servo (speed and phase)
CN450 60P
1 REG_GND REG_GND 2
3 REG_GND REG_GND 4
5 P_UNREG P_UNREG 6
7 P_UNREG_GND P_UNREG_GND 8
9 MT_GND MT_GND 10
11 MT_GND MT_GND 12
13 CAM_12V MS_3.1V 14
15 CAM_-7V AU_8.0V 16
17 PANEL_2.8V TRF_2.8V 18
19 PANEL_4.6V PANEL_13.5V 20
21 EVF_2.8V A_4.6V 22
23 EVF_BL- D_1.5V 24
25 EVF_BL+ D_1.5V 26
27 INIT_CHARGE_ON AU_2.8V 28
29 CAM_DD_ON AU_4.6V 30
31 VTR_DD_ON D_2.8V 32
33 SHOE_ON D_2.8V 34
35 SHOE_UNEREG EVF_13.5V 36
37 SHOE_UNEREG DRUM_VS 38
39 D_3.1V CAP_VS 40
41 D_3.1V FAST_CHARGE 42
43 BATT_SIG CHARGE_INH 44
45 BATT/XEXT_SW CAP_ERROR 46
47 A_2.8V DRUM_ERROR 48
49 BATT_UNREG VTR_UNREG 50
51 D_1.9V VTR_UNREG 52
53 D_1.9V MT_5.2V 54
55 RP_4.6V MT_5.2V 56
57 REG_GND REG_GND 58
59 REG_GND REG_GND 60
TO VC-242 BOARD(18/18)
CN021
(THROUGH THE FP-191 FLEXIBLE)
(SEE PAGE 4-49)
L451
4.7uH
R456
Q450
0 L452
L453
XX
XX
XX 5.15V
R457
CHOKE
XX C454
XX
C457
10V B
C450 XX
4.7u 3216
10V A
10V B
3216
C455
XX B
IC450
XX
C458
R452
XX CH
XX
VREF CT ± 0.5%
C451 CTL RT
R453
XX B R455
XX
CSCP +IN XX ± 0.5%
CS -IN
GND FB
C456 R451
VE DTC
XX B XX
R450
XX OUT CB1
Vcc CB2 C453
R454
XX
C452 XX
B ± 0.5%
XX B
4-108
14 15
REC REC/PB PB
4
INIT_CHARGE_ON TO(1/2)
BATT_SIG
2
TO(1/2)
BATT/XEXT_SW
5
BATT_UNREG TO(1/2)
16
P_UNREG_GND TO(1/2)
3
TO(1/2)
FAST_CHARGE
1 TO(1/2)
CHARGE_INH
8
CAP_ERROR TO(1/2)
DRUM_ERROR 10
TO(1/2)
VTR_UNREG
6
TO(1/2)
13
MT_5.2V TO(1/2)
VTR_DD_ON
15
TO(1/2)
CT