Sony SLV-789HF - Video Cassette Recorder, Service Manual, Page: 37 / 135

SLV-789HF/792HF/799HF
SECTION 3
BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM
3-1 3-2
BOARD
MF-316
LINE 2
IN
CNJ491
VIDEO
MA-342 BOARD
LINE 1
IN
CJ561
VIDEO
L VIDEO 2
L VIDEO 1
SP
CH 1
SP
CH 2
EP
CH 1
EP
CH 2
VIDEO
REC/PB
QAMP
IC260
Y/C
PROCESSOR
IC201
PB Y/C
(1/2)
REC Y/C
C SYNC
CH 1
CH 2
AUDIO
HEAD
VIDEO
HEAD
BOARD
MF-316
LINE 2
IN
CNJ491
LINE 1
IN
CJ561
AUDIO
L 1(L)
R
L
L 1(R)
AUDIO
L 2(L)
R
L
L 2(R)
AUDIO
PROCESSOR
IC360
(HIFI)
AUDIO
PROCESSOR
(MONO)
IC201
(2/2)
NORM IN
NORM OUT
AF ENV
AF SWP
I2C CLK
I2C DATA
A L
A R
RF AUDIO
HA SWP
RF ENV
RF SWP
REC/
PB
ERASE
HEAD
BIAS
ERASE
OSC
T301,Q303
NORMAL
AUDIO
FULL
ERASE
HEAD
HEAD
SW
IC331
A HEAD PB
A HEAD REC
OSD
IC160
ARC
IC570
VIDEO
I2C DATA
I2C CLK
TU VIDEO
Q VD
LINE
OUT
CJ561
L
R
VIDEO
AUDIO
RF VIDEO
VHF/
UHF
OUT
IN
TU701
RF VIDEO TU VIDEO RF A
UDIO
PLL CLOCK
PLL ENB
TV/VTR
HA SWP
RF ENV
RF SWP
AF ENV
AF SWP
I2C CLK
I2C DATA
PLL DATA
AFT
DRIVE
LED
Q103
T REEL
PH102
S REEL
PH101
T SENS
Q101
S SENS
Q102
(T/S LED)
D103
SW12V T REEL FG
S REEL FG
T SENS
S SENS
T/S LED
IC160
CONTROL
SYSTEM
SERVO
DRUM
CONTROL
SIGNAL
CAPSTAN
FG
DRUM
PG
DRUM
FG
M
DRUM
MOTOR
M
CAPSTAN
MOTOR
CAP FG
CAP VS
D FG
D PG
D VS
DRUM MOTOR
CAPSTAN MOTOR
LOADING
MOTOR
IC101
M
LOADING
MOTOR
CTL
AMP
ROTARY
SWITCH
CTL REC/PB
CAM +,-
MODE1-4
SERVO
CAPSTAN
FAIL DET
POWER
IC162
PULSE GEN
RESET
INDICATOR TUBE
FLUORESCENT
ND420
-F +F
IC461
CONTROL
REMOTE
RECEIVER
BLOCK
DMS
KEY
FUNCTION
KEY
FUNCTION
FUNC KEY 1
DMS +/-
16
C SYNC
BOARD AR-20
Y
C
V
(1/2)
ARC
RF CH
S701
3CH
4CH
Q VD
ARC DATA,ARC CLK
IC161
EEPROM
(2/2)
PUSH/TURN
DIAL TIMER
S901
DI-71 BOARD
DRIVE
FL
IC420
FUNC KEY 2
S401-406
KKP +/-
S470,472,473
S462,464,466
AFC
IC870
V SET
IC871
S OUT 0
S IN 0
S CLK MEDIA VIDEO
HA SWP
RF ENV
RF SWP
TU L
TU R
TU L TU R
MF-316 BOARD
IC980
CBC I/O
CIRCS
CONTROL/
CABLE BOX
CONTROL S
IN
OUT
CNJ980
CNJ981
SIRCS OUT
CBC ON
NICOLE
REMOTE
TIMER SET
DM-84 BOARD
S OUT 0
S IN 0
S CLK 0
(SEE PAGE 4-26)
(SEE PAGE 4-25)
(SEE PAGE 4-28)
(SEE PAGE 4-7,9,11,13,15,17,19,21)
(SEE PAGE 4-25)
(SEE PAGE 4-27)
(SEE PAGE 4-24)