Board - Sony DCR-VX2000 Service Manual

3-5. POWER BLOCK DIAGRAM (1/3)
DD-138 BOARD
(4-61)
Q329,
339
J901
BATTERY
TERMINAL
CN301
F300
BATT UNREG
1
DCPACK SW
2
S
BATT SIG
3 Q300,
F301
301
4
Q302-304
F305
CHARGE
SWITCH
F304
F303
J902
DC IN
F302
ACV UNREG
1
2
BATT/XEXT
3
CN300
4
1
SWITCHING
16
( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
SHOE UNREG
BATT UNREG
IC300
Q306,
307
(4-105)
D308
DC/DC CONVERTER
EMERGENCY
T300 DETECT
5 55 VCC(0)1234 OUT7-1 64
D306
2 1
VCC(0)5678 OUT7-2
RECT
13
-IN7
28
VCC
7
46 VSS(0)1234
8 57 VSS(0)567
OUT3-1 53
D307
RECT
OUT3-2 54
49 VDD(0)123
2 60
VDD(0)567
40
-IN3
D305
RECT
3
8 +IN8
7 -IN8
OUT2-1 50
3 OUT8 OUT2-2 51
Q305
43
-IN2
VREF 27 VREF
OUT4 56
-IN4 37
33
VB
COMP 11
34
RT
35
CT
OUT1-1 47
OUT1-2 48
VTR DD ON
29 CTL1-6,8
30 CTL7 -IN1 44
61
OUT6-1
OUT6-2 62
+IN6 18
OUT5-1 58
OUT5-2 59
+IN5 22
3-9
Q315-317,324
MT 5.2V
5.2V
REG
TRF 2.8V
Q312
SWITCHING
L303 L307
L306
Q321
SWITCHING
Q313
SWITCHING
L304 L308
Q322
SWITCHING
Q340,341
L319
1.5V REG
IC301
AMP
Q314
ERR AMP
IC301
SWITCHING
L305 L312
L314
L315
L309
Q323
SWITCHING
Q325
EMERGENCY
DETECT
L317
T301
D311
Q327,331,332,337
RECT L318
5
Q308 13.5V REG
SWITCHING
4 6
Q344,348,349,351
D312
RECT
1 7 12V REG
8
2
D313
Q333-335,338
RECT
3
-7V REG
Q309
SWITCHING L302
L316
L311
L313
Q318
SWITCHING L310
Q310
SWITCHING L300
CAP VS
Q319
SWITCHING
CAP ERROR
Q311
SWITCHING L301
DRUM VS
Q320
SWITCHING
DRUM ERROR
CHARGE INH
44
SHOE ON
33
BATT SIG
43
INIT CHARGE ON
27
VTR DD ON
31
CAM DD ON
29
FAST CHARGE
42
BATT/XEXT SW
45
BATT UNREG
49
54 MT 5.2V
56
50 VTR UNREG
52
35 SHOE UNREG
37
5 P UNREG
6
PANEL 2.8V
17
MS 3.1V
D 3.1V PANEL 13.5V
20
PANEL 4.6V
19
AU 4.6V
30
D 1.9V 51 D 1.9V
53
A 2.8V
47
AU 2.8V
28 TO
D 1.5V
POWER
32 D 2.8V
BLOCK
DIAGRAM
34
(2/3)
(4-107)
(VC-242)
24 D 1.5V
(SEE PAGE
26
3-11)
D 2.8V
AU 2.8V
A 2.8V
PANEL 2.8V
EVF 2.8V
39 D 3.1V
41
EVF 13.5V
A 4.6V
22
PANEL 13.5V
RP 4.6V
55
CAM 12V TRF 2.8V
18
CAP VS
40
CAM -7V CAP ERROR
46
DRUM VS
38
DRUM ERROR
PANEL 4.6V 48
A 4.6V
RP 4.6V
AU 4.6V
EVF BL 4.6V
CAM 12V
13
CAM -7V
15
MS 3.1V
14
EVF 2.8V
21
EVF 13.5V
36
R391,392
EVF BL-
23
EVF BL+
25
CN450
3-10
DCR-VX2000/VX2000E