Sony Digital8 DCR-TRV250 Service Manual page 47

COVER
COVER
3-7. POWER BLOCK DIAGRAM (2/3)
VC-305 BOARD (2/2)
IC3201
REC/PB
AMP
(7/20)
RP 4.6V
RP 4.6V
MT 5V
VTR UNREG
CAP VS
DRUM VS
A 1.5V
D 1.5V
D1.9V
D 2.8V
A 2.8V
AU 2.8V
B
EP 2.8V
RP 2.8V
POWER (1/3)
(PAGE 3-12)
CAM –7.5V
CAM 15V/12V
CAM DD ON
EP 13.3V
RP 6.0V
EP 4.6V
A 4.6V
AU 4.6V
RP 4.6V
USB 3.1V
IC8001
VIDEO/AUDIO DSP,
D/A CONVERTER
FOCUS/ZOOM
MOTOR CONTROL
(2/20)
CAM DD ON
05
3. BLOCK DIAGRAMS 3. BLOCK DIAGRAMS
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
M2200 MECHA DECK
H001,002
D001
T REEL,
TAPE CAPSTAN
S REEL,
HE
LED FG
SENSOR
12 8 17 8
CN2404
IC2401
LOADING/DRUM/
CAPSTAN MOTOR DRIVE
(14/20)
3
VMR
VH 17
MT 5V
VTR UNREG
CAP VS
DRUM VS
EP 2.8V
MT 5V
CAM –7.5V
CAM 15V/12V
D 1.5V
D1.9V
D 2.8V
A 2.8V
A 4.6V
AU 2.8V
AU 4.6V
IC5402
IC5401 IC5801 IC1601
AUDIO
AUDIO PROCESS MIC AMP
(16/20) A/D, D/A (17/20) (D/A CONVERTER)
CONVERTER (9/20)
(16/20)
EP 13.3V
EP 4.6V
USB 3.1V
A 1.5V
D 1.5V
D 2.8V
A 2.8V
IC6001
DV SIGNAL PROCESS
(6/20)
3-13
CN1005
EP 13.3V
3
D 2.8V
6
EP 4.6V
5
CN2403
IC7001 IC7002
LCD TIMING
DRIVER GENERATOR
(15/20) (15/20)
IC2001
IC1502
STEADY
S/H. AGC.
SHOT
A/D CONVETER
(20/20)
(1/20)
MT 5V
CAM –7.5V
CAM 15V/12V
A 2.8V
D 1.5V
D 2.8V
A 4.6V
IC8301 IC3701
EVR DV INTERFACE VIDEO OUT
(8/20) (5/20)
USB 3.1V
A 1.5V
D 1.5V
D 2.8V
IC5501 IC5502 IC4402 IC4405
16M SDRAM 16M FLASH XTAL OSC EEPROM
(11/20) (11/20) (10/20) (10/20)
CAM DD ON
LB-083 BOARD
CN701
EVF VDD
18
D 2.8V D702
15
(TALLY)
EVF 4.6V
16
D701
(BACKLIGHT)
IC701
BACKLIGHT
CONTROL
IC1553
IRIS DRIVE,
IC1554
IC1501
HALL BIAS CONTROL,
HALL GAIN CONTROL, FOCUS/ZOOM
TIMING
HALL AMP MOTOR DRIVE
GENERATOR
(3/20) (3/20)
(1/20)
Q1555
IC4502
IC4501
EEPROM
CAMERA/MECHA
(13/20)
CONTROL
(13/20)
ZM RST LED 55
FC RST LED 57 CN1002 (2/2)
V LIGHT PWM
91
USB 3.1V
IC4401
USB CONTROL,
MODE CONTROL
(10/20)
189 CAM DD ON
3-14
DCR-TRV250
EVF BLOCK
LCD902
CN702
VDD
1
B/W
EVF
UNIT
RGT
8
DWN
7
CD-418 BOARD
CN1501 CN951
CAM –7.5V IC951
12 3
CAM 15V/12V
CCD
10 5
IMAGER
L951
CN1551 LENS BLOCK
IRIS DRIVE (+) IRIS
24
METER
TEMP TEMP
18
SENSOR
ZM SENS VCC ZOOM
16
SENSOR
FC SENS VCC FOCUS
13
SENSOR
D
V LIGHT PWM
18
POWER (3/3)
(PAGE 3-15)
CN1015
8
FOR JIG
D 2.8V
3