6-11
DNW-A220
DNW-A220P
Block Diagram
OVERALL (3/3)
SERVO/SYSTEM CONTROLSYSTEM (2/2)
OVERALL (3/3)
DNW-A220
DNW-A220P
B-¥DNWA220-OA-S/M-01
M
M
FG
M
M
FG
PG
FG
FG
MPU
TENSION
AMP
CTL
REC/PB AMP
S-REEL
S-TENSION SENSOR
TOP SENSOR
END SENSOR
CTL HEAD
RAM
SERVO
CPU
SERVO
IC
I/O
PORT
DRUM
MICOM
I/O
PORT
IC103
HEAD SEL,
REC SEL
TIM PLS
Y D0
C D0
SS VD
AUTO DRUM PG
DRUM FG
20 MHz
20 MHz
S-REEL MOTOR
MOTOR
DRIVER
CAPSTAN MOTOR
BLOCK
CAPSTAN
THREADING
DRUM
MOTOR
DRIVER
MOTOR
DRIVER
MOTOR
DRIVER
THREADING MOTOR
CAPSTAN MOTOR
M007
DETECT
DRUM MOTOR BLOCK
DRUM MOTOR
M001
SHAPER
DETECT
L;REV/H;FWD
H;SV LOCK
ROM
SV
DRIVER
NV-RAM
(EEPROM)
FG SHAPER
FG SHAPER
FG SHAPER
DEW
FG,PG
SERVO ADDRESS/DATA BUS
SR-65
FUNCTION CAM
S-MAIN BRAKE
IC212
IC209
IC401
IC403
IC602
IC400
IC603,604
IC501-504
IC114
IC107,111
IC201
TP200
IC304
IC116
IC505
IC405
Q619,620
IC409
Q500,501
PH500
PH501
T REEL
FG SENSOR
IC600-601
IC204
DEW SENSOR
IC306
DETECT
SIO
CASSETTE'S ID HOLE SENSOR
FULL ERASE
LTC ERASE
Q950-959
ERASE
DRIVE
IC700-701
IC702-712
CASS-COM IN SENSOR
(TO EQ-72)