Board - Sony DCR-VX2000 Service Manual

For Schematic Diagram
• Refer to page 4-110 for waveforms.
2 3 4
1
DD-138 BOARD(1/2)
DC/DC CONVERTER(DD-1 BLOCK)
A
-REF.NO.:1000 SERIES-
1k
R300
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
R :REC MODE
P :PB MODE
CN300 4P
BATT_UNREG 1
J901
B
DCPACK_SW 2 R301
BATTERY S
0
TERMINAL 3216
BATT_SIG 3
BATT_GND 4
Q300,301
LF300
CN301 3P SWITCH
XX
ACV_UNREG 1
D300
MA8120-TX
J902 ACV_GND 2
DC IN R302
C
BATT_XEXT 3 0
3216
R303
470k
C300
0.022u
16V B
LND300 A 0
LND301 A
D
SSM3K03FE(TPL3)
LND302 A
LND303 A
LND304 A
LND305 A
LND306 A
E
LND307 A
16
TO(2/2) P_UNREG_GND
F
G
H
VTR_DD_ON
I 15
TO(2/2)
CT
J
SIGNAL PATH
K
REC REC/PB
Drum servo (speed and phase)
Capstan servo (speed and phase)
L
Note : Note :
The components identified by Les composants identifiés par
16
mark 0 or dotted line with mark une marque 0 sont critiques
0 are critical for safety. pour la sécurité.
Replace only with part number Ne les remplacer que par une
specified. pièce portant le numéro spécifié.
5 6 7 8
F305
1.4A
Q302-304
CHARGE
F304
SWITCH
1.4A
F303
1.4A
R306
F302
Q301 R310
10
1k 1.4A
SI4963DY-T1 1/8W
0
3216
8.4
F301
8.4 8.4 1.4A
F300
1.4A
2.3
8.4 8.4 R311
4700
8.4
0 C308 C310 C313
22u 22u 10u
16V 16V 16V
TA TA TA
B B B
R304 0
2.7 1M
Q300 2.7
C306
XX B
2012
Q304
8.3
SSM3K03FE(TPL3)
R316
R399 22k
0
2012
R318
47k
± 0.5%
R319
22k
C311
470p B
R397
270k 16 15 14
R308 R312 R313
22k 22k 47k
0.5
-IN6(C)
C304
0.3
R314 2200p +IN6
0.3
4700 B
R305 R307 R309
-IN6
22k 22k 22k
1.0
FB6
1.5
-IN5(C)
0.7
+IN5
0.7
-IN5
1.2
FB5
2.5
R315 C305
DTC 56
0.01u
1k
B
GND
2.5
VREF
8.4
VCC
C301
2.9
0.1u B
CTL1-6,8
C302
2.9
0.047u
CTL7
B
0
CS1-7
0
CSCP
C303
0.047u
B
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
R322
33k
PB
R321
C307 R317
0.1u 22k 33k
± 0.5% ± 0.5%
10V B
4-105
9 10 11 12
D308
1SS388(TPL3)
T300
D306
RB501V-40TE-17
VCC(C)
4 5
(VIN+3.7V)
C323 8.4 R346
4.7u 1k
3 6
B
C314 C316
22u 22u
16V 16V
TA TA (VIN)
B B 2 7 0
R347
C324 1k
D307
4.7u
RB501V-40TE-17
B
1 8
Q305
(VIN-1.3V)
C326
MCH6202-TL
1u Q306,307
SWITCHING
10V B EMERGENCY
DETECT
2.5
D305
8.3 RB501V-40TE-17
VDD(5.0V)
0.2 C322
8CH 0
1u
10V B Q307
UN9213J-(K8).SO
R328 68k R332 5600
± 0.5% ± 0.5%
C321
C315 100p
0.001u CH
R329
B 10k
C319
0.001u
B
13 12 11 10 9 8 7 6 5 4 3 2 1
7
8
R342 100
10.5
OUT7-1
C328
GND(O) 5678
3300p B
4.1
OUT6-2
R343 100
11.8
6
out6-1
4.9
C329
VDD(O) 567
3300p B
3.2
IC300 OUT5-2
R348 100
10.9
5
out5-1
7.1
DC/DC CONVERTER
C331
VSS(O) 567
3300p
47 B
IC300 11.2 R344
out4
MB4488PFV-G-BND-ER 4
12.3
VCC(O) 1234 C330
3300p B
3.4
out3-2
11.1 R349 100
3
out3-1
C332
GND(O) 1234
3300p
B
2.9
out2-2
2
R345 100
10.5
1
out2-1
4.9
C327
VDD(O) 123
2200p B
C320
220p
B
R337
C325
R330 3300p 220
B
33k
4.64V(5.10V)
R338 12k
R333
2.87V
± 0.5%
47k
R334 56k R339 3900
± 0.5% ± 0.5% D_1.95V
R335 22k R340 3900
± 0.5% ± 0.5% 13.5V
R336 100k R341 220k
± 0.5%
± 0.5%
R323 R327 R331
R325
47k 47k 47k 22k
± 0.5% ± 0.5% ± 0.5%
13 14 15 16 17
Q310-314
SWITCHING
Q310
0.8 CPH6702-TL
CAP VS
L300
22uH
C334
CHOKE C340
4.7u
0.8
10V B 4.7u
3216 B
4.1
2012
8.4
Q319
SI2304DS-T1
CH-6
SWITCHING
Q311
2.3 CPH6702-TL
DRUM VS
L301
33uH
CHOKE
2.3
C341
3.2
4.7u
8.4
Q320 B
SI2304DS-T1
CH-5 2012
SWITCHING
MS_3.1V
Q312
3.2 CPH6702-TL
D_3.1V
L303
22uH
C335
4.7u CHOKE
3.2
10V B
3216 C342
2.9
4.7u
8.4
Q321 B
SI2304DS-T1 2012
CH-7
SWITCHING
Q313
1.9 CPH6702-TL
D_1.9V
L304
22uH
C336
CHOKE C343
4.7u
1.9
10V B 4.7u
3216
B
3.4
2012
8.4
Q322
SI2304DS-T1
CH-3
SWITCHING
Q314
2.9 CPH6702-TL
2.8V
L305
22uH
C337
CHOKE C344
4.7u
2.9
10V B 4.7u
3216 B
2.8
2012
8.3
Q323
SI2304DS-T1
CH-2
SWITCHING
Q316
2SB1581-T1 5.2
8.4 Q317
2SB1462J-Q
R352
27k
R350 7.9
5.2 ± 0.5%
47k
2.9
7.4
R353
2.9 1500
± 0.5%
Q324
2.4
2.4
2SD2216J-Q
Q315
2SD2216J-Q
R354
R351
Q315-317,Q324 33k
10k
5.2V REG ± 0.5%
CH-4
8.4 0
R357
1608
T301
D311
R375
1SS388(TPL3) 1608
4 5
D312 R377
1SS388(TPL3) 1608
3 6
R387
11.2 0
1608
Q308 D309
CPH6102-TL
XX
SWITCHING
2 7
D313
1SS388(TPL3)
1 8
C347
XX
Q309
L302
8.0V
CPH6702-TL 22uH
4.6 SWITCHING CHOKE
C333
4.6
4.7u
10V B
C345
3216
4.7u
B
8.4
CH-1 1.9 2012
Q318
SI2304DS-T1
9.7
SWITCHING
4-106
DCR-VX2000/VX2000E
18 19 20
1
CHARGE_INH TO(2/2)
BATT/XEXT_SW
2
TO(2/2)
BATT_SIG
3
FAST_CHARGE TO(2/2)
4
INIT_CHARGE_ON TO(2/2)
5
BATT_UNREG TO(2/2)
6
VTR_UNREG TO(2/2)
7
SHOE_UNREG TO(2/2)
8
CAP_ERROR TO(2/2)
9
CAP_VS TO(2/2)
REG_GND
10
DRUM_ERROR TO(2/2)
11
DRUM_VS TO(2/2)
D_3.1V
D_3.1V
D_1.9V
D_1.9V
12
TO(2/2)
2.8V
Q325
UN9213J-(K8).SO
EMERGENCY 13.5V
DETECT
R355
2.5
47k
MT_5.2
R356
22k
C339
10u -VCAM
10V
TA
A
13
MT_5.2V TO(2/2)
XX
R396
R395
0
XX
0
15.5V
15.5V
0
13.5V(16.5V)
XX
14
R398 TO(2/2)
XX
C376 C346 R400 C349 C375 C350
2.2u 4700 4.7u 10u 10u
4.7u
20V
35V B B 20V
3216 TA B TA B
TA B 3216
AU_8.0V
4.6V(5.1V)
4.6V
DC/DC CONVERTER
DD-138 (1/2)