Sony DCR-VX2000E, Service Manual, Page: 123 / 222

DCR-VX2000/VX2000E
4-107 4-108
DC REGURATOR
DD-138 (2/2)
For Schematic Diagram
• Refer to page 4-103 for printed wiring board.
8.4
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
0
8.2
8.4
0
1.6 1.9
1.2
0.7
0.1
0.7 3.2
1.5 1.5
-7.2
-11.7
-10.8
-10.8
-7.2
0
0.5
13.5 12.3
12.9
12.4
4.1
4.6
12.3
4.6
4.1
2.3
2.8
13.6 16.7
16.0
15.5
4.1
4.6
4.7
4.1
13.6
15.5
L310
4.7uH
2SC5376F-B(TPL3)
Q334
±
0.5%
220k
R374
C353
10u
10V
TA A
47k
R365
L314
4.7uH
C355
10u
TA
10V
A
4.7uH
L306
10u
6.3V
P
C352
10u
10V
TA A
C373
4.7uH
L311
MA2S111-(K8).SO
D314
2012
1 R391
2012
1 R392
4.7uH
L316
2012
2.2u
F
C369
4.7uH
L313
10u
10V
TA A
C360
2SD2216J-QR(K8).SO
Q335
2SB1462J-QR(K8).SO
Q349
10u
6.3V
P
C351
47k
R378
10u
TA
10V
A
C363
4.7uH
L307
47k
R381
±
0.5%
R389
68k
22uH
3225
L309
2SA1745-6.7-TL
Q345
22u
TA
6.3V
B
C354
2SD2216J-QR(K8).SO
Q344
2SB1462J-QR(K8).SO
Q331
2SD2216J-QR(K8).SO
Q348
1M
R364
47k
R376
MGSF3455VT1
Q339
±
0.5%
R388
120k
2012
1u B
C362
2SD2216J-QR(K8).SO
Q351
0.1u
B
C367
UN9213J-(K8).SO
Q329
22uH
L318
10k
R363
±
0.5%
R390
4700
B
6.3V
47u
C361
4.7uH
L308
2012
2.2u
F
C370
10u
6.3V
P
C357
100k
R358
22k
R361
±
0.5%
33k
R368
47k
R362
± 0.5%
100k
R367
R371
±
0.5%
6800
R370
±
0.5%
56k
4.7u
TA
20V
B
C365
R369
±
0.5%
120k
L312
4.7uH 3225
2SB1462J-QR(K8).SO
Q332
2012
0
R394
2SD2216J-QR(K8).SO
Q337
2012
0
R393
2SD2216J-QR(K8).SO
Q340
2SD2216J-QR(K8).SO
Q327
22uH
L317
10u
6.3V
A
C368
C359
10u
6.3V
A
47k
R359
± 0.5%
R366
120k
XX
Q328
4.7u
TA
20V
B
C364
2SA2018H-T2L
Q341
XX
Q336
XX
Q326
47k
R360
± 0.5%
8200
R373
10u
TA
20V
B
C366
C356
10u
6.3V
P
10u
TA
20V
B
C371
2SB1462J-QR(K8).SO
Q333
2SB1462J-QR(K8).SO
Q338
± 0.5%
120k
R372
TA75S01F(TE85R)
IC301
1 2 3
4 5
470
R386
100k
R384
XX
B
C348
22k
R385
4.7uH
L319
10u
6.3V
P
C358
± 0.5%
100k
R383
± 0.5%
20k
R382
0.1u
B
C338
MA3XD21001S0
D315
XX
R379
0
R380
2.2uH
3225
L315
1k
R401
MA2S111-(K8).SO
D316
10u
TA
20V
B
C372
XX B
C455
60P CN450
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
±
0.5%
XX
R452
MT_5.2V
XX
L452
4.7u
10V B
3216
C450
VTR_DD_ON
FAST_CHARGE
XX
10V B
3216
C454
XX
R450
BATT_SIG
XX
Q450
XX CH
C458
DRUM_ERROR
P_UNREG_GND
XX
IC450
1
CT
2
RT
3 +IN
4
-IN
5
FB
6
DTC
7 CB1
8 CB2 9 Vcc
10
OUT
11 VE
12 GND
13 CS
14
CSCP
15 CTL
16 VREF
±
0.5%
XX
R453
BATT/XEXT_SW
XX
R455
CT
±
0.5%
XX
R454
4.7uH
L451
0
R456
CAP_ERROR
XX B
C452
XX B
C451
XX
10V A
C457
CHARGE_INH
XX
R451
XX
R457
XX B
C456
XX
B
C453
BATT_UNREG
INIT_CHARGE_ON
XX
L453
VTR_UNREG
SHOE_UNREG
REG_GND
CAP_VS
DRUM_VS
D_3.1V
D_3.1V
D_1.9V
D_1.9V
2.8V
-VCAM
13.5V
AU_8.0V
15.5V
4.6V
1
A
DIGITAL 2.8V
AUDIO 2.8V
A_4.6V
EVF_BL_4.6V
ANALOG 2.8V
RP_4.6V
AU_4.6V
PANEL_4.6V
– +
TRF 2.8V
CHARGE_INH
MT_5.2V
CAM_DD_ON AU_4.6V
D_2.8V
D_2.8V
MT_GND
TRF_2.8V
VTR_UNREG
EVF_13.5V
REG_GND
SHOE_UNEREG
A_2.8V
PANEL_2.8V
REG_GND
MT_GND
PANEL_13.5V
MS_3.1V
D_1.5V
P_UNREG
VTR_DD_ON
D_3.1V
MT_GND
REG_GND
D_1.5V
SHOE_UNEREG
P_UNREG
PANEL_4.6V
REG_GND
BATT/XEXT_SW
DRUM_VS
D_1.9V
FAST_CHARGE
5.15V
REG_GND
RP_4.6V
CAP_VS
REG_GND
INIT_CHARGE_ON
D_3.1V
DRUM_ERROR
CAP_ERROR
EVF_BL-
REG_GND
P_UNREG_GND
SHOE_ON
D_1.9V
CHOKE
MT_GND
BATT_SIG
P_UNREG_GND
AU_8.0V
VTR_UNREG
CAM_12V
CAM_-7V
EVF_2.8V
MT_5.2V
AU_2.8V
BATT_UNREG
A_4.6V
REG_GND
IC301
DD-138 BOARD(2/2)
TO(1/2)
13
16
1.5V REG
(SEE PAGE 4-49)
TO VC-242 BOARD(18/18)
CN021
(THROUGH THE FP-191 FLEXIBLE)
TO(1/2)
6
10
TO(1/2)
1
TO(1/2)
TO(1/2)
8
TO(1/2)
3
TO(1/2) 15
TO(1/2)
7
9
TO(1/2)
TO(1/2)
11
12
TO(1/2)
TO(1/2)
14
Q329,339
SWITCH
1.5V REG
Q340-341
Q344-345
348,349,351
12V REG
-7V REG
Q333-335,338
Q331,332
+13.5V REG
16
TO(1/2)
4
TO(1/2)
TO(1/2)
2
TO(1/2)
5
B
H
15 4
E
10 12 13
K
9
D
11
C
L
14 7 3
I
2 6
J
5
F
8
G
XX MARK:NO MOUNT
DC REGURATOR(DD-2 BLOCK)
-REF.NO.:1000 SERIES-
Q326,328,336
+8.0V REG.
Q327,337
+13.5V REG.
Q344,345,348
349,351
+12V REG.
Capstan speed servo
REC
Capstan phase servo
REC/PB
SIGNAL PATH
Drum speed servo
Drum servo (speed and phase)
Drum phase servo
Capstan servo (speed and phase)
PB