Sony RMT-V231B, Service Manual

Page: 32 / 76

SLV-777HF/778HF/788HF
SECTION 3
BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM
3-1 3-2
BOARD
JK-162
LINE 2
IN
CJ801
(SEE PAGE 4-29)
MA-327 BOARD
LINE 1
IN
CJ570
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 ROT
C SYNC
CH 1
CH 2
AUDIO
HEAD
AFM
REC/PB
QAMP
IC340
VIDEO
HEAD
BOARD
JK-162
LINE 2
IN
CJ801
LINE 1
IN
CJ570
AUDIO
L 1(L)
R
L
L 1(R)
AUDIO
L 2(L)
R
L
L 2(R)
AF SWP
AF REC
REC P
FM PB
FM REC
AUDIO
PROCESSOR
IC360
(HIFI)
AUDIO
PROCESSOR
(MONO)
IC201
(2/2)
NORM IN
NORM OUT
AF ENV
AF SWP
I2C CLOCK 1
I2C DATA 1
A L
A R
RF AUDIO
TU L
TU R
S OUT 1
S CLK 1
RF ENV
RF SWP
REC/
PB
ERASE
HEAD
BIAS
ERASE
OSC
T331,Q330
HEAD
FULL
ERASE
HEAD HEAD
NORMAL
AUDIO
VIDEO
AMP
IC403
A HEAD PB
A HEAD REC
OSD
IC521
VIDEO
SCK 0
SO 0
I2C DATA VIDEO
I2C CLOCK VIDEO
TU VIDEO
Q VD
1H
DELAY
IC202
LINE
OUT
CJ570
L
R
VIDEO
AUDIO
RF VIDEO
Q560
VHF/
UHF
RF CH
S701
3CH
4CH
IN
OUT
IN
RF
TUNER/MOD/IF
RF VIDEO RF AUDIO
PLL CLOCK
PLL ENB
TV/VTR
C SYNC
S OUT 1
S CLK 1
RF ENV
RF SWP
AF ENV
AF SWP
I2C CLOCK 1
I2C DATA 1
ST/BILNG
PROCESSOR
IC733
AF SWP
AF REC
REC P
F MONO,MAIN/SAP,MAIN SAP
SAP,STEREO
MPX
PLL DATA
Q VD
AFT
REC P
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
M
CAPSTAN
CAP FG
CAP VS
D FG
D PG
D VS
DRUM MOTOR
CAPSTAN MOTOR
LOADING
MOTOR
IC101
M LOADING
CTL
AMP
ROTARY
SWITCH
CTL REC/PB
CAM +,-
MODE1-4
SERVO
CAPSTAN
SIRCS
CBC I/O
IC980
NICOLON
CBC ON
IN
OUT
CABLE BOX
CONTROL/
CONTROL S
CNJ981
CNJ980
FAIL DET
POWER
IC162
PULSE GEN
RESET
INDICATOR TUBE
FLUORESCENT
ND420
-F +F
IC461
CONTROL
REMOTE
RECEIVER
BLOCK
DMS KEY
FUNCTION
KEY
FUNCTION
S440-443 S401-409
BOARD
DM-80
FUNC KEY1,2
DMS1,2
IC420
CONTROL
MODE
IC161
EEPROM
SI 0
SO 0
SCK 0
SIRCS
FR-138 BOARD
16
SI 0
SO 0
SCK 0
TU700
IF702
TU VIDEO
RF AUDIO
IF
Q VD
I2C DATA VIDEO
I2C CLOCK VIDEO
CNJ981
788HF ONLY
(SEE PAGE 4-5, 8, 11, 15, 17, 19, 21)
(SEE PAGE 4-28)
(SEE PAGE 4-25)
(SEE PAGE 4-27)
M903
M902
M901
REMOCON