Sony GV-D1000 Service Manual page 30

GV-D1000/D1000E
COVER COVER
3-6. POWER BLOCK DIAGRAM (1/3)
VC–275 BOARD (1/2)
BT901
Q2506,
BATTERY 2507
TERMINAL
CN2501
BATT UNREG
6
Q2501,
S
BATT GND 2502
Q2503,2504
1
BATT SIG CHARGE
5
SWITCH
DC IN
ACV UNREG
4
ACV GND
3
BATT/XEXT SW
2
16
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
EX UNREG
F2501
BATT UNREG
F2502
F2504
C/D VS D1.5V
F2505
BL UNREG
F2503
VTR UNREG
BL CONT
(12/13)
IC1301
DC/DC CONVERTER
NONINV
7 OUTPUT–7 2
INPUT–7
OUTPUT
31 6
STANDBY–7
MONITOR-7
OUTPUT VCC–7
5
OUTPUT VCC–4,5,6 1
OUTPUT–4
57
28
VCC
MOS GATE–4
54
OUTPUT
18
MONITOR–4
COMP 41
45
OUTPUT–1
MOS GATE–1 42
OUTPUT
40
MONITOR–1
OUTPUT VCC–1,2,3 49
VREF 27 VREF
OUTPUT–3 50
OUTPUT MONITOR–3 34
21 RT
22 CT
OUTPUT–2 46
VTR DD ON
OUTPUT
29 STANDBY–3
37
MONITOR–2
30 STANDBY
OUTPUT–6 64
OUTPUT MONITOR–6
10
NONINV INPUT–6 11
OUTPUT–5 58
OUTPUT MONITOR–5 14
NONINV INPUT–5 15
3-11
3. BLOCK DIAGRAMS
3. BLOCK DIAGRAMS
EX UNREG
BATT UNREG
MT 4.9V
5V REG
Q1310–1313
VTR UNREG
L2501
BL CONT
Q1309
SWITCHING L1317 L1318
BL REG
(4–58) IC1303
Q1330
D 1.6V
1.6V REG
(4–58)
IC1302
Q1303
Q1328
SWITCHING L1305 L1321
D 1.5V
1.5V REG
Q1308
L1310
D 1.9V
SWITCHING
L1306
D 2.8V
L1307
A 2.8V
Q1304
SWITCHING
L1302 L1308
AU 2.8V
L1309
PANEL 2.8V
Q1307 Q1314
SWITCHING
EMERGENCY
DETECT
D1301 (1/2)
T1301
RECT
PANEL 13.3V
Q1301
5
SWITCHING
4 6
1 7
Q1322,
8
1324,
D1301 (2/2)
2
D1302 1326
RECT
3
-15.3V
RECT
REG
Q1302
SWITCHING L1301
L1313 AU 4.6V
L1314 A 4.6V
L1315
PANEL 4.6V
L1316
RP 4.6V
Q1305
SWITCHING
L1303
CAP VS
CAP VS
CAP ERROR
DRUM VS
CAP ERROR
DRUM ERROR
Q1306
SWITCHING L1304
DRUM VS
DRUM ERROR
INIT CHARGE ON
PANEL -15.3V
39 41
30 32
26 28
35 37
27 29
38 40
31 33
CN939
3-12
SHOE ON
BATT SIG
VTR DD ON
FAST CHARGE
BATT/XEXT SW
BATT UNREG
MT 4.9V
VTR UNREG
EX UNREG
BL CONT
BL REG
PANEL 2.8V
PANEL 13.3V
PANEL –15.3V
PANEL 4.6V
TO
POWER
BLOCK(2/3)
(PAGE 3-13)
AU 4.6V
D 1.9V
A 2.8V
AU 2.8V
D 1.5V
A 4.6V
D 2.8V
PANEL 13.3V
CAP VS
CAP ERROR
DRUM VS
DRUM ERROR
RP 4.6V
D 3.1V
A 2.8V
D 2.8V
D 1.6V
TO
POWER
PANEL 13.3V
BLOCK (3/3)
(MS-95)
D 1.9V
(PAGE 3-15)
A 4.6V
D 3.1V