Sony DSR-250, Service Manual

Page: 85 / 322

DSR-250/250P
3-8. POWER BLOCK DIAGRAM (3/4) ( ) : Page No. shown in ( ) indicates the page to refer on the schematic diagram.
3-15 3-16
D1112-1117
D1104
L801
S511
BT501
FB501
FB1407
FB1403
Q1404,1405
FB101
L902 FB901
L1073
L1001
FB1301
FB1002
L1301,1304
L802
R1455 FB1401
FB771 FB772 L702 FB706
FB705
L703
FB1402 FB1406 FB1405
FB1404
L103
L102
L101
L106
L104
L105
L100
L101
L107
Q701,702
FB703
L1002
L701
L1004
L1003
FB707
FB701
FB702
15
BATTER IN
DETECT
14
XLANC ON
RESET
BATT IN
EEPROM
REG
VDD
Q1106
12
XRESET 81
BTT LI 3V
BATT/XEXT
ACV SENS
(TAKO)
CHARACTER
3
VIDEO
CAM DD ON
VTR UNREG
DV
IC1102
VTR DD ON
LANC I/O
(ALIGN)
61
HI CONTROL
ADC&DAC
IC1104
38
Q1011
IC1103
AUDIO
91
A/D CONV.
(LIP)
VCC
A 2.8V
66
REG
(CAIN)
LANC DC
POWER
28
AUDIO I/O
8
UNREG
29
XPHOTO STBY SW
2
MECHA
4
XCAM+STBY SW
REG
14
20
SHOE ON
XVTR MODE SW
AU 2.8V
1
DV
EVER 3.0V
MT 5.2V
RP 4.6V
A 4.6V
D 3.1V
D 1.9V
D 2.8V
EVR CAMERA EEPROM
(U-CORE)
S/H
AGC
A/D
TO
POWER
BLOCK
(2/4)
(VI-156)
VI-156 BOARD(2/3)
7 CHIME PWR CONT
RESET
LITHIUM BATTERY
EQ, REC/PB
(TRW) (TRF)
IC101
CCD IMAGER
(G-CH)
CCD
V DRIVE
IC701
IC103
38
43
39
11
23
17
29
11
29
23
17
39
43
38
CN025
16
(4-45)
(4-45)
(4-45)
(4-46)
SHOE ON
VTR DD ON
CAM DD ON
HI UNREG
MT 5.2V
VTR UNREG
PANEL 2.8V
PANEL 13.5V
PANEL 4.6V
AU 4.6V
D 1.9V
A 2.8V
AU 2.8V
D 2.8V
D 1.5V
D 3.1V
A 4.6V
RP 4.6V
CAM 12V
CAM -7V
MS 3.1V
3
7
5
4
8
6
IC1403 IC1404 IC1409 IC1413 IC1406 IC1401 IC1412
RS232C 16M SHUTTER DIGITAL JPEG EEPROM 16M DRAM
118
MEMORY
IC1411
IC1410
IC102 IC101
IC803 IC802 IC801 IC771 IC704 IC706
(4-37) (4-37)
(4-16) (4-13) (4-14)
IC1301 IC903 IC301 IC361 IC302
IC1001 IC1002
(4-27) (4-26)
(4-53) (4-51)
(XYZ)
IC1101
LANC DC
CN009
42 51
86 87
GENERATER INTERFACE SIGNAL
PROCESS
LINE IN/OUT
AMP
D 2.8V
(4-30) (4-29)
IC501 IC502
CONTROL
CN015
1
10
27
11
2
28
9
20
CN502
SOUND
CONTROL
CONV.
CAMERA
SIGNAL
PROCESS
STICK I/F STILL
CONTROL
DRAM I/F
MS VCC ON
AMP A/D CONV.
PLL
D 1.9V
RP 4.6V
CN141
PANEL 13.5V
PANEL 2.8V
PANEL 4.6V
P UNREG
EVER 3.0V
5
6
6
7
7
CN505
TO
POWER BLOCK(4/4)
(PD-126)
SW-343 BOARD
D 2.8V
MS 3.1V
(4-21) (4-23) (4-24)
(4-17) (4-17) (4-20) (4-18) (4-20)
(4-35) (4-36)
(4-19)
(4-18)
(4-20)
TRF 2.8V
IC1006
-1008
VCA,AMP
EVR
IC1005
AU 4.6V
(4-38)
IC1407
(HONEY)
DIGITAL
STILL
PROCESS
2 2
RL-157 BOARD
J141
TO
POWER BLOCK(4/4)
(LA-026)
CN507
LANC DC
22 22
CD-274 BOARD
IC104
IC105
AMP(B-CH)
AMP(R-CH)
AMP(G-CH)
CCD IMAGER
(R-CH)
IC102
CCD IMAGER
(B-CH)
IC100
CN100
3 3
IC702
IC705
TIMING
GENERATOR
CAM DD ON
CAM 12V
CAM -7V
CHIME VDD
VCC
D 2.8V
MT 5.2V
D 3.1V
A 4.6V
A 4.6V
D 3.1V
IC1105
EEP ROM
AUDIO
OUTPUT
IC1086
AU 8.0V
IC1003
AUDIO
LINE OUT
AMP
IC1004
(XYZ)
CH2
AUDIO
INPUT
(4-53)
(4-46)
LANC
(4-49)
(4-49)
(4-50)
(4-51)
(4-17)
(4-14)
(4-13)
(4-9)
(4-9)
(4-9)
(4-9)
(4-9)
(4-9)
(SEE PAGE 3-17)
(SEE PAGE 3-17)
(SEE
PAGE
3-14)
AU VCC AU VCC
SP VCC
AUDIO OUTPUT
SELECT
IC1085
UNREG 12V
POWER
S082
3
2
1
S082
MODE
SW
PM-040 BOARD
VTR MODE
MEMORY MODE
POWER ON
ON
→
OFF
CN081
3
2
1
7
6
5
IC501
LOGIC
2
1
3
D2.8V
A4.75V
3
2
29
30
28
29
28
30
CN511
CN506 CN014
CN502 CN015
2
3
9
27
11
20
2
1
28
10
Q1109
(4-53)
(4-20)
IC1405
BUFFER
(4-19)
BUFFER
IC1402
IC503
AMP
(4-29)
AMP
(4-30)
IC504
LANC DC
D2.8V
AU4.6V
VTR UNREG
EVER 3.0V
CN506 CN014
BTT LI 3V
(SEE PAGE 4-78)
(4-93)
(SEE PAGE 4-94)
BUFFER
IC707