Sony HDW-250 Maintenance Manual page 65

CASSETTE
COMPARTMENT
MOTOR DRIVER
HDW-250
FAN MOTOR
M
M M
FAN
MOTOR DRIVER
PARALLEL
I/O
SIO DATA BUS
SERIAL
I/O
PROC CONT DATA
PROC
CONT IF
REF FRAME
5V / 3V
REF CF
LCD
CONT
16k bit
SRAM
ERASE ON / OFF
FULL
ERASE OSC
PIO
ERASE ON / OFF
CUE / TC
ERASE OSC
SOLENOID
DRIVER
SERVO MOTOR DRIVER
IC
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
MOTOR DRIVER
J1003
BP-90
BP-L60
BATTERY
EQ-76
VPR-53
LED DRIVE/
KEY SCAN
KEY DATA
SHIFT
REGISTER
LCD
CONTROLLER
FULL ERASE HEAD
TC ERASE HEAD
CUE ERASE HEAD
PINCH SOLENOID
S-BRAKE SOLENOID
T-BRAKE SOLENOID
HEAD SOLENOID
THREADING M1004
M
THREADING MOTOR
DRUM M1001
M
DRUM MOTOR
DRUM FG
DRUM PG
CAPSTAN
M1002
M
CAPSTAN MOTOR
CAPSTAN FG (A)
SHAPER
SHAPER CAPSTAN FG (B)
T-REEL M1003
M
T-REEL MOTOR
T-REEL
FG DET
M1005
S-REEL
M
S-REEL MOTOR
S-REEL
FG DET
OVERALL (2/2)
SST-13
B-¥HDW250-BLOCK
OVERALL (2/2)
SW
SW
SW
EXT
DC IN
EXT VOLTAGE
DETECTOR
FU-76
AUTO
BREAKER
DC-85
DC-DC
DC OUT
CONV
TIMING
CONTROL
UN REG
PSW-67 to 70
KEY MATRIX
AUDIO
KEY MATRIX
METER
LCD
H1004
H1003
H1003
PM1003
PM1002
PM1001
PM1004
Block Diagram
Block Diagram
SW
4-7