Sony SLV-469 / SLV-478 / SLV-677HF / SLV-678HF / SLV-688HF / SLV-L47 / SLV-L48 / SLV-L57 / SLV-L58 / SLV-L67HF / SLV-L68HF / SLV-L77HF / SLV-L78HF / SLV-X50 / SLV-X60HF Service Manual ▷ View online
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
3-2. VIDEO BLOCK DIAGRAM
3-3
3-4
VIDEO
LINE 2 IN
JK-161 BOARD (1/2)
3
IC260
SP
CH1
DRUM
VIDEO
HEAD
10
7
SP
CH2
6
9
EP
CH1
8
13
EP
CH2
12
2
5
6
13
14
10
SW7
SW3
SW8
SW4
SW10 SW6
SW9
SW5
4
SW1
12
SW2
30
REC
IDEL
DET
REC
ADJ
HPF
ENV
DET
DET
LOGIC
C ROT
C SYNC
CLOCK
RF SWP
26
28
17
20
19
18
21
22
BUFFER
Q260
16
29
SW5V
L263
L262
VCA
REC
REC
COMP
PB
PB
PB
PB
VIDEO REC/PB AMP
66 C ROT
SEQ
PB
EQ
15
PB Y/C
R
P
S
N
17
BUFFER
TRAP
20
S
N
Q202
14
KIL
C
LPF
R
P
ACC
AMP
AMP
MAIN
CONV
SUB
BPF
SUB
CONV
BPF
2
FM
AGC
SUB
LPF
DOUB
LIM
DEM
R
P
16
18
REC RF REC
EQ
FM
MOD
DE
ENH
25
DE
EMPH
Q208
26
CLP
ACC
DET
R
P
BPF
1
DL
EQ
50
48
1
3
1H/2H
DL
+
13
Q210
52
IC202
COMB FILTER
LPF
COMB
TH
PB
BGA-B
REC
BGA
BGA
PB
BGA-B
R
P
R.A
B
PB C
KIL
B.D
NAP
FSC
BPF
BPF
46
45
44
CLP
28
CLP
32
CLP
30
34
35
VIDEO
AGC
22
+
AGC
DET
R
P
R
P
C
NC
N.L
DE-EM
DHP
NC
PIC
CTL
Y/C
MIX
FBC
SYNC
SEP
37
1/2
R
P
LPF
YNR
QV/VH
INS
VIDEO
AMP
33
38
42
40
CLP
5
1H
DL
DL
7
10
BUFFER
BUFFER
Q209
KIL
DET
61
PB APC
DET
51
REC APC
DET
54
VCO
AFC
DET
DET
49
SLD
VXO1
X202
3.57MHz
56
55
1
2
3
BUFFER
Q501
9
V IN
S IN
12
V OUT
3
CS
4
2
CLK
DATA
BUFFER
Q502
BUFFER
Q560
CS
S OUT
S CLK
X501
20
19
QVD
1
1
CN260
CN423
L2 VIDEO
CN801
CJ801
VIDEO
LINE 1 IN
CJ570
R
P
RF VIDEO
C SYNC
S CLK1
RF SWP
TU V
8
IF702
84
IC160
65
IC160
67
IC160
18
IC160
IC160
VIDEO
LINE OUT
CJ570
RF
VIDEO
VIDEO
5
TU701
70
IC160
68
IC160
64
IC160
13
IC160
MA-317 BOARD
CN261
REC CURR
PB RF
RF SWP
IC201 (1/2)
Y/C PROCESSOR
IC202
1H DELAY
BUFFER
Q211
IC501
CHARACTER GEN
47
36
SW5V
L204
(2/2)
(1/2)
S OUT1
TO/FROM
SYSCON
BLOCK
SYSCON
BLOCK
FROM
TUNER
BLOCK
TUNER
BLOCK
PB RF
DATA
REC RF
11
11
FOR
CHECK
CHECK
8
11
Y VCC
C VCC
PB:ON
PB:ON
FROM
SYSCON
BLOCK
SYSCON
BLOCK
TO
TUNER
BLOCK
TUNER
BLOCK
IC260
4
REC
1V/Div
0.1
µ
sec/div
IC260
#º
REC
0.5V/Div
0.1
µ
sec/div
IC260
@•
REC
20mV/Div
0.1
µ
sec/div
IC260
@™
PB
200mV/Div
0.1
µ
sec/div
IC260
!•
REC/PB
2.4Vp-p
H
CN261
3
REC/PB
5Vp-p
30Hz
30Hz
IC260
!¶
REC/PB
5Vp-p
30Hz
30Hz
IC201
#¶
REC/PB
4Vp-p
H
IC201
$∞
PB
500mVp-p
H
IC201
#∞
REC
1Vp-p
H
IC201
@•
REC
1Vp-p
H
IC201
#•
REC/PB
2Vp-p
H
IC201
%§
REC
3.579545MHz
550mVp-p
550mVp-p
IC201
%§
PB
3.579545MHz
500mVp-p
500mVp-p
IC201
$•
REC
IC201
%º
REC
0.23Vp-p
H
IC201
$•
PB
IC201
%º
PB
340mVp-p
H
IC201
@∞
REC
0.5Vp-p
H
IC201
!¶
PB
200mV/Div
0.1
µ
sec/div
IC201
!∞
PB
200mV/Div 0.1
µ
sec/div
CN261
2
PB
200mV/Div 0.1
µ
sec/div
CN261
1
REC
IC501
9
,
!¡
REC/PB
2Vp-p
H
688HF,L57,L58,L77HF,L78HF,X50 MODEL
(SEE PAGE 4-24)
(SEE PAGES 4-6, 8)
(SEE PAGE 3-10)
(SEE PAGE 3-5)
(SEE PAGE 3-5)
(SEE PAGE 3-9)
7.15909MHz
BUFFER
Q201
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM
3-5
3-6
OUTPUT
OUTPUT
MATRIX
VCC
HALL
DEVICE
PG
FG
1
2
2
3
4
CN101
MTR12V
D PG
D FG
SERVO CONT
DRUM ERR
78
DRUM PG
86
DRUM FG
87
IC160
7
1
6
MTR12V
CN102
SW 5V
PS101
SW 5V
LIMITER
HALL
DEVICE
U+
U–
V+
V–
W+
W–
U–
V+
V–
W+
W–
VM
VCC
TL
U
V
W
AN5V
5
2
77
16
CAPSTAN
FG
3
85
1
3
CTL(X)
92
91
CTL(Y)
CN161
1
3
CAM–
2
CAM+
10
M
M
S102
M901
M902
CTL
HEAD
LOADING
MOTOR
CAM
ENCODER
1
2
3
4
CN103
MODE1
MODE2
MODE3
MODE4
MODE2
MODE3
MODE4
4
IN2
58 CW
9
8
MTR12V
VCC2
VCC1
LOADING
MOTOR DRIVE
IC101
MODE1
|
MODE4
29
26
26
39
38
42
41
30 REC PRF
S101
65 S OUT1
67 S CLK1
8
VIDEO RF
18 RF SWP
84 C SYNC
84 C SYNC
13 Q VD
70 S CLK0
68 S OUT0
64 OSD CS
70 S CLK0
68 S OUT0
64 OSD CS
50 REC
49 REC P
19 AF SWP
49 REC P
19 AF SWP
9
AF ENV
22
17
48
52
51
48
52
51
5
21
3
15 F MONO
53
74 MAIN/SAP
53
74 MAIN/SAP
12 STEREO
25
25
56
S CLK1
VIDEO RF
RF SWP
C SYNC
Q VD
S CLK0
S OUT0
CS
VIDEO RF
RF SWP
C SYNC
Q VD
S CLK0
S OUT0
CS
REC
REC P
AF SWP
AF ENV
REC P
AF SWP
AF ENV
I2C CLOCK 1
A MUTE
I2C CLOCK VIDEO
19
20
26
26
17
18
18
33
2
4
3
4
3
IC260
IC260
IC260
IC260
IC260
IC201
IC501
IC501
IC501
IC260
IC260
IC260
IC260
IC201
IC501
IC501
IC501
37
IC201
5
4
1
4
1
39
41
42
70
64
63
41
42
70
64
63
IC340
IC360
IC201
IC340
IC340
IC340
IC360
IC360
IC360
IC201
IC201
IC201
40
IC360
6
EEPROM
IC161
11
TU701
24 PLL ENABLE
23
10
TU701
12
TU701
TV/VTR
4
TU701
6
IF702
F MONO
7
IC733
MAIN/SAP
STEREO
5
IC733
8
IC733
IC733
10
11
IC733
POWER CONT
4
IC600
Q600
Q600
69
S IN
66
FLD CS
5
9
9
8
6
CLK
D IN
D OUT
CS
D IN
D OUT
CS
14 VDD
38 VDD
G1
G6
37
32
32
S1
S16
15
26
·
28
31
FL DRIVER
IC420
IC162
27
VEE
40
JOG LED
L163
99
98
98
D162
D161
37
36
36
L161
75
8
7
43
RESET
6
5
RESET
PULSE GEN
14
1
2
REMOTE
CONTROL
RECEIVER
IC403
D6V
D5V
4
73
SIRCS OUT
5
SIRCS IN
SIRCS OUT
46
CBC ON
12 REG ON/OFF
14
REG IN
1
REG OUT
13
VCC
D6V
9
S OUT
SIRCS/CBC I/O
IC980
80
79
S REEL
PH102
T REEL
FG
PH101
S REEL
FG
SW12V
7
6
S SENS
Q101
TAKE END
SENSOR
Q100
SUPPLY END
SENSOR
D5V
20
END LED
LED
DRIVE
5
FUNC KEY1
POWER
S401
EJECT
S402
REC
S403
CH+
S405
EASY
SETUP
S412
4
3
3
5
2
REW
4
FUNC KEY2
PAUSE
S404
CH–
S406
JOG
FF
4
3
3
5
2
8
8
D441
D5V
FF
S446
S441
PB
S442
STOP
S443
JOG
S445
S444
S447
REW
REW
2
1
1
5
4
7
6
7
CN401
CN441
6
55
DMS UP
54
DMS DOWN
SHUTTLE
SWITCH
3
4
2
CN443
CN442
JOG2
JOG1
JOG1
REW
IC160
G1-G5
P1-P16
F–
F+
ND420
VACUUM
FLUORESCENT
DISPLAY
F+
F–
–10V
+
CNJ980
CONTROL
S OUT
DS-79 BOARD
DMS BLOCK
DRUM MOTOR
CAPSTAN MOTOR
MA-317 BOARD
TO/FROM
VIDEO
BLOCK
VIDEO
BLOCK
TO/FROM
AUDIO
BLOCK
AUDIO
BLOCK
S OUT1
I2C DATAQ1
I2C DATA VIDEO
REC
PROOF
PROOF
X160
16MHz
16MHz
X161
32.768kHz
-
(2/2)
SYSTEM/MODE CONT
AVCC
AMP VCC
VCC
CLSEL
CLSEL
P FAIL
PLL CLOCK
PLL CLOCK
ANT SEL
TU AFT
TU AFT
TU AFT
REMOCON
SAP
SAP
PLL DATA
PLL ENABLE
TA MUTE
TA MUTE
TO/FROM
TUNER
BLOCK
TUNER
BLOCK
TO
POWER
SUPPLY
BLOCK
POWER
SUPPLY
BLOCK
T REEL
POWER
FAIL DET
FAIL DET
PB/STOP
STOP
STOP
PLAY
RTN
A MUTE
P CONT
T SENS
CAP ERR
CAP RVS
CAP FG
CAP RVS
CAP VS
CTL IN+
CTL IN
_
MECHA
POSITION
POSITION
(1/2)
FROM
POWER
SUPPLY
BLOCK
POWER
SUPPLY
BLOCK
-
-
-
-
-
IC160
&•
REC/PB
5Vp-p
62.5kHz
62.5kHz
IC160
*§
REC/PB
4.5Vp-p
30Hz
30Hz
IC160
*¶
REC/PB
4Vp-p 360Hz
IC160
&¶
REC/PB
5Vp-p
62.5kHz
62.5kHz
IC160
(¡
REC
4Vp-p
90Hz
90Hz
IC160
#•
REC/PB
2.3Vp-p
16MHz
16MHz
IC160
!•
REC/PB
IC160
!ª
(HiFi STEREO MODEL)
5Vp-p
30Hz
30Hz
IC160
$¡
REC/PB
2Vp-p
32kHz
32kHz
SOCCER
BALL
BALL
HIFI ONLY
HIFI ONLY
688HF ONLY
EXCEPT
L57,L58,L77HF
L78HF,X50 MODEL
L57,L58,L77HF
L78HF,X50 MODEL
(SEE PAGE 4-11, 17)
(SEE PAGES 3-3, 4)
(SEE PAGES 3-7, 8)
(SEE PAGES 3-9, 10)
(SEE PAGE 4-23)
2
.
Q401
LED
DRIVE
DRIVE
D405
D5V
POWER
45 MAIN/SAP
MAIN/SAP
9
IC733
100
PLL DATA
7
76 WP
I2C CLOCK 1
I2C CLOCK VIDEO
I2C DATA 1
I2C DATA VIDEO
L57,L58,L77HF,
L78HF,X50 MODEL
DMS UP
DMS DOWN
FF
REW
L57,L58,L77HF,
L78HF,X50 MODEL
L57,L58,L77HF,
L78HF,X50 MODEL
Q103
IC160
*∞
REC/ PB
4.4Vp-p
1.078kHz
1.078kHz
IC160
(™
REC
4Vp-p 30Hz
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
3-4. AUDIO BLOCK DIAGRAM
3-7
3-8
CH2
ERASE
MA-317 BOARD
CN260
DRUM
AUDIO
HEAD
AUDIO
HEAD
16
24
20
18
17
CH1
3
2
1
5
REC ON
HA
HA
VCC
CA
NORM IN
NORM OUT
INPUT SEL
SDA
SCL
PB ON
AGC
DET
AGC
AMP
9
3
FM PB
14
VCC
SW 5V
L341
AFM
REC/PB
IC340
AMP
37
12
15
16
1
4
5
FM REC
36
40
REC
AF SWP
50
IC160
19
IC160
TO/FROM
SYSCON
BLOCK
REC P
49
IC160
AF ENV
I2C CLOCK
9
IC160
17
IC160
I2C DATA
22
IC160
TU AUDIO R
IC733
4
IC733
FROM
TUNER
BLOCK
BLOCK
TU AUDIO L
3
CN341
1
HF ADJ
CJ570
L
R
AUDIO
LINE 1 IN
L1 L
L1 R
CN423
3
5
CJ801
L
R
L2 L
L2 R
3
5
AUDIO
LINE 2 IN
JK-161
BOARD(2/2)
FM
BPF
AUDIO
PROCESSOR
IC360
(HIFI)
AUDIO
PROCESSOR
IC201 (2/2)
(MONO)
AF SWP
LEVEL
DET
39
41 42
1
2
5
6
4
3
+
MODEM
PNR
L
PNR
R
MODEM
MUTE
MUTE
OUTPUT
SEL
35
14
13
17
21
20
SW 12V
EQ
CN301
CN302
SW 5V
FULL
AUDIO
REC/PB
ERASE
HEAD
ERASE
HEAD
AUDIO
HEAD
2
1
4
1
5
4
2
HEAD SW
BIAS
OSC
IC301
JS322
JS321
JS324
75
71
73
5
6
7
4
3
2
1
80
A-H SW
DECODER
SERIAL
REC
PB
PB
76
A VCC
SW 5V
AUTO
BIAS
LINE
AMP
ALC
CTL
SW
BIAS
Q301
REC:
EP,LP
PB:EP
EP,LP
PB:EP
REC
PB:
LP,SP
LP,SP
79
64
63
77
70
10
11
9
8
MUTE
MUTE
JS325
JS326
CJ570
L
R
AUDIO
LINE OUT
A MUTE
I2C DATA VIDEO
I2C CLOCK VIDEO
RF AUDIO
1
TU701
48
IC160
TO
TUNER
BLOCK
BLOCK
52
IC160
51
IC160
FROM
SYSCON
BLOCK
X
X
X
REC
EXCEPT
L57,L58,X50 MODEL
L57,L58,X50 MODEL
EXCEPT
MONO MODEL
MONO MODEL
MONO
ONLY
ONLY
MONO
ONLY
ONLY
MONO
ONLY
ONLY
HIFI MODEL
(
688HF,L57,L58,L77HF
L78HF,X50 MODEL
L78HF,X50 MODEL
)
(SEE PAGE 4-24)
(SEE PAGE 3-5)
(SEE PAGE 3-10)
(SEE PAGES 4-6, 15)
(SEE PAGE 3-9)
(SEE PAGE 3-5)
MUTE
Q387
EP
SP
13
REC
MUTE REC
H SW
3
FM PB
EXCEPT
L57,L58,X50 MODEL
L57,L58,X50 MODEL
JS323
+
+
SW 12V
CN801
T331,Q331
MUTE
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
3-5. TUNER BLOCK DIAGRAM
3-9
3-10
L731
VHF/
UHF
SPLITTER
IN
OUT
RF
MOD
2
4CH
3CH
RF CH
S701
9
8
7
14
6
12
10
11
1
5
4
AGC
L704
L702
30V
SW5V
SW12V
MA-317 BOARD
ENABLE
CLOCK
DATA
RF
IF
TU701
TUNER/MOD/IF
30V
5V
12V
IF
2
RF AGC
7
8
V OUT
4
MPX
6
AFT
3
12V
IF702
TV
VTR
PLL DATA
IC160 100
RF VIDEO
Q560
RF AUDIO
IC360 11
PLL CLOCK
IC160 23
PLL ENABLE
IC160 24
TV/VTR
IC160 21
FROM
SYSCON
BLOCK
FROM
VIDEO
BLOCK
FROM
AUDIO
BLOCK
ST / BILINGUAL
PROCESSOR
IC733
VCC
1
MPX IN
12
3
L
4
R
7
FORCED
5
MUTE
8
MS0
9
MS1
11
ST IND
10
SAP IND
TU VIDEO
IC201 32
TU AUDIO L
IC360
1
TU AUDIO R
IC360
2
F MONO
IC160 15
TA MUTE
IC160 53
MAIN/SAP
IC160 74
MAIN/SAP
IC160 45
STEREO
IC160 12
SAP
IC160 25
TU AFT
IC160
3
RV731
TO
VIDEO
BLOCK
TO
AUDIO
BLOCK
TO/FROM
SYSCON
BLOCK
HIFI ONLY
16
(SEE PAGE 4-19)
(SEE PAGE 3-5)
(SEE PAGE 3-4)
(SEE PAGE 3-8)
SEPARATION
(SEE PAGE 3-3)
(SEE PAGE
3-7)
3-7)
(SEE PAGE 3-5)
Click on the first or last page to see other SLV-469 / SLV-478 / SLV-677HF / SLV-678HF / SLV-688HF / SLV-L47 / SLV-L48 / SLV-L57 / SLV-L58 / SLV-L67HF / SLV-L68HF / SLV-L77HF / SLV-L78HF / SLV-X50 / SLV-X60HF service manuals if exist.