SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
SECTION
BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM
3-1 3-2
JK-161
BOARD(1/2)
IC260
VIDEO
LINE 2 IN
CJ801
VIDEO
REC/PB
AMP
IC201
(1/2)
CCD 1H
DELAY
IC202
CHARACTOR
GEN
IC501
Y/C
PROCESSOR
BUFF
Q560
VIDEO
LINE OUT
AUDIO
LINE OUT
L
R
CJ570
LINE
FILTER
SWITCHING
REGULATOR
AC IN
SW12V
SW5V
MTR12V
D6V
HEAD
SW
IC301
AUDIO
PROCESSOR
(MONO)
BIAS
ERASE
OSC
T331,Q331
IC201
(2/2)
JK-161
BOARD(2/2)
V2
V1
PB Y/C
REC Y/C
C ROT
SP
CH 1
SP
CH 2
EP
CH 1
EP
CH 2
AFM
REC/PB
AMP
IC340
AUDIO
PROCESSOR
(HIFI)
SP
CH 1
SP
CH 1
FM PB
FM REC
IC360
VIDEO
MA-317 BOARD
AF ENV
AF SWP
AF SWP
AF REC
RE P
L1
R1
AUDIO
LINE 1 IN
AUDIO
LINE 2 IN
L2
R2
SP
CH 1
PB CUR
REC CUR
NORM IN
NORM OUT
I2C DATA1,I2C CLOCK1
TU R
TU L
RF AUDIO
A R
A L
S OUT1,S CLK1
RF SWP,RF ENV,C SYNC
C SYNC
B/G ST
DUAL
PROCESS
IC733
S OUT0,S CLK0,CS
TU VIDEO
Q VD
TUNER/MOD/IF
IN
OUT
VHF/
UHF
RF VIODEO
RF AUDIO
TU V
MPX
SYSTEM
MODE
CONTROL
DRUM
FG
DRUM
MOTOR
DRUM
PG
M
PLL DATA
PLL CLK
PLL ENB
DRUM MOTOR
CAPSTAN MOTOR
CAPSTAN
MOTOR
M
CAPSTAN
FG
PLL DATA
PLL CLOCK
PLL ENB
AFT
TV/VTR
S OUT0
S CLK0
CS
RF SWP
RF ENV
C SYNC
QVD
S OUT1,S CLK1
I2C DATA1,I2C CLOCK1
TU R
TU L
MAIN/SAP,MAIN/SAP
F MONO
SAP,STEREO
EEP ROM
IC161
I2C DATA VIDEO,I2C CLOCK VIDEO
<
>
<
>
AUDIO
ERASE
HEAD
FULL
ERASE
HEAD
AF REC
AF SWP
REC P
AF ENV
REC
PROOF
CONTROL
SIG
TIMER
CONT
IC420
FLUORESCENT
DISPLAY
POWER
FAIL DET
IC162
RESET
PULSE GEN
REMOTE
CONTROL
RECEIVER
IC403
SIRCS
CBC
I/O
IC980
FUNCTION
KEY
DMS
BLOCK
DS-79 BOARD
FUNCTION
KEY
END LED
Q100
S SENS
Q101
T SENS
S REEL
FG
T REEL
FG
PH102
PH101
ROTARY
SW
M
LOADING
MOTOR
DRIVE
DRUM
SERVO
CAPSAT
SERVO
D VS
D PG
D FG
CAP VS
CAP FG
CTL REC/PB
CTL
HEAD
LOADING
MOTOR
IC101
S OUT0
S CLK0
S IN
CS
P FAIL
RESET
REMOCON
SIRCS
IN
DMS UP,DOWN
FUNC 2
FUNC 1
CONTROL
S OUT
MODE1-4
CAM +,
_
RF
3CH
4CH
RF CH
S701
VIDEO
LINE 1 IN
CJ570
VIDEO
HEAD
AUDIO
HEAD
CJ570
L
R
L
R
CJ801
AUDIO
REC/PB
HEAD
ND420
TU701
AFT
TV/VTR
_
_
IC160
(CABLE BOX CONTROL)
S442-S444
S441,445-447
S401-406, 412
688HF,L57,L58,L77HF,L78HF,X50 MODEL
EXCEPT
MONO MODEL
HIFI MODEL
EXCEPT
MONO MODEL
688HF ONLY
L57,L58,L77HF,
L78HF,X50 ONLY
(SEE PAGE 4-24)
(SEE PAGES 4-6, 8, 11, 15, 17, 19, 21)
(SEE PAGE 4-24)
(SEE PAGE 4-23)
RF VIDEO
EXCEPT
L57,L58,X50 MODEL
688HF,L57,L58,L77HF,L78HF,X50 MODEL
30V
10V
_
MPX
IF702
IF
HIFI
MODEL
WP
I2C DATA VIDEO,
I2C CLOCK VIDEO
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0
9
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2
8
9
4
2
9
8
T
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L
1
3
9
4
2
2
9
6
5
1
3
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9
2
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9
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9
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5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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