Sony DNW-A75 Maintenance Manual page 243

MS-58
IC1 IC9
NV-RAM
(EEPROM)
MPU
DR-315
IC403
POSITION
MOTOR
DRIVER
IC404
CC UP/DOWN
MOTOR
DRIVER
IC304
S-REEL
MOTOR
DRIVER
IC305
T-REEL
MOTOR
DRIVER
IC203
CAPSTAN
MOTOR
DRIVER
IC402
THREADING
MOTOR
DRIVER
IC106
FG,PG
SHAPER
IC102-105
DRUM
MOTOR
DRIVER
DNW-A75/A75P
SY2 L(D BUS,A BUS,CS)
PTC-59
CASSETTE'S TABS SENSOR
TR-79
UNTHREAD END SENSOR
THREAD END SENSOR
T-TENSION SENSOR
IC301,309
TENSION
TR-78
AMP
S-TENSION SENSOR
IC101,102
TOP SENSOR
DETECT
END SENSOR
CCM-15(R)
M
PTC-71
REEL POSITION SENSORS
CL-29
CASSETTE DOWN
SENSORS
M
IC5,6
DRIVER
IC105
CTL
CTL HEAD
REC/PB AMP
Q907,908
DEGAUSSING
DEGAUSSING HEAD
HEAD DRIVER
RM-181/82(S)
M
IC305
FG SHAPER
RM-181/82(T)
M
IC307
FG SHAPER
PD-35
CAPSTAN MOTOR
M
IC203,204
FG SHAPER
PTC-54
IC303
FG
FG SHAPER
CCM-15(T)
M
IC4
DEW
DETECT
DRUM ASSEMBLY BLOCK
M001
M
FG PG
REC GUARD
DRUM MOTOR
ANA DT A/B
ROTALY TRANS ANA SG A/B
MPX
HEAD CONTROL
DECODE
DPR-150
L:SYS2 RESET
M002
REEL SHIFT MOTOR
PC-70
CASSETTE-IN
SENSORS
M004
CASSETTE
COMP.
LP-81
MOTOR
CASSETTE
COMP. LAMP
M005
S-REEL MOTOR
PM003
S-REEL BRAKE SOL.
SE-344(S) FG
M006
T-REEL MOTOR
PM004
S-REEL BRAKE SOL.
SE-344(T) FG
PM002
PINCH SOL.
PM001
CLEANING SOL.
BLOCK
M007
FG
CAPSTAN MOTOR
THREADING MOTOR FG
M003
THREADING MOTOR
CONDENSATION
SENSOR
SE-461
BURSH
SLIP RING
ASSEMBLY
OVERALL (3/3)
Block Diagram
OPTION
(BKNW-124)
IC1101-1103 IC1100
BUS
SY3 CPU
BUFFER
X1100
40 MHz
CLOCK
OSC
RESET
IC1118,1119
POWER ON
L:SS RESET
RESET
IC1103
SY3
ROM
IC1109
RAM
IC1100-1114,1120
BUS
CN2 50P
BUFFER
IC112
IC114-120
ADDRESS
ADDRESS
BUS
DECODE
BUFFER
IC105-109
DATA BUS
BUFFER
IC300,400,500,700,800,900
TRANSCODING
PROCESS
IC702,906
SX to MPEG
IC1000
MPEG OUTPUT ENGINE
IC30(IC300)
SDTI-CP I/F
PACK
IC10(IC101)
EVR
When the DPR-150 board is suffix 11,
this area is provided on
the piggybacked DIF-109 board.
(IC300)and (IC101)are reference
numbers on the DIF-109 board.
SERVO/SYSTEM CONTROL SYSTEM (2/2)
DT CONTROL SYSTEM
OVERALL (3/3)
DNW-A75/A75P
C-13