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
3-6. POWER SUPPLY BLOCK DIAGRAM
3-11
3-12E
1
3
AC
IN
CN600
LF600
D600
SWITCHING
Q601,602
F600
T600
3
2
7
6
5
9
10
12
13
11
14
D609
D608
D607
D606
PH600
3
1
2
IC602
SHUNT
REG.
+12V
REG
REG
L604
L601
L602
M12V
SW
Q604,605
2
1
4
IC601
PS600
+5V
REG
Q603
SW 5V
D 6V
P C0NT
MTR 12V
SW 12V
+30V
L603
-10V
MA-317 BOARD
JOG LED VCC
IC202
1H DELAY
L702
L703
30V
9
12V
7
5V
3
5V
8
12V
3
TU701
IF702
R705
L704
L731
VCC
1
R/G ST
DUAL PROC.
IC733
HIFI MODEL
VDD
2
JS202
IC201
Y/C PROC.
Y VCC
36
C VCC
47
A VCC
76
(MONO)
L204
JS203
JS301
BIAS
OSC
OSC
T331,Q331
IC301
HEAD SW
VCC
1
L331
VCC
16
VCC
29
L263
L262
VCC
14
VIDEO
REC/PB AMP
AUDIO
REC/PB AMP
IC260
IC340
L341
12V
35
AUDIO
PROC.
PROC.
IC360
JS361
HIFI MODEL
AVDD
13
DVDD
15
CHARACTER
GEN.
IC501
JS501
JS502
D501
REG IN
14
VCC
13
SIRCS/
CBC I/O
IC980
SERVO/SYSTEM
CONTROL
IC160
D982
688HF MODEL ONLY
P CONT
56
VCC
37
D161
D162
L611
L163
JS105
AVDD
99
AMP VCC
98
VCC
8
IC161
EEPROM
VCC1
7
VCC2
5
POWER
FAIL
DET
RESET
PULSE
GEN.
IC162
T/S
REEL
PH101,102
T/S
SENS
Q101,102
T/S
LED
D103
D405
POWER
VCC1
8
LOADING
MOTOR DRIVE
IC101
VCC2
9
JS104
VDD
14
DISPLAY
DRIVER
IC420
VDD
38
VEE
27
ND420
DISPLAY
F-
F+
7
LIMITER
PS101
SW 5V
MTR 12V
MTR 12V
CN101
CN102
CAPSTAN
MOTOR
DRUM
MOTOR
BOARD
DS-79
CN401
D441
JOG
L57,L58,L77HF,
L78HF,X50 MODEL
9
9
CN441
1
6
1
16
(SEE PAGE 4-21)
(SEE PAGE 4-23)
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
4-1. FRAME SCHEMATIC DIAGRAM
4-1
4-2
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
MA-317 (REC/PB AMP, VIDEO, SERVO/SYSTEM CONTROL, AUDIO, MODE CONTROL, TUNER, POWER SUPPLY) PRINTED WIRING BOARD
— Ref. No.: MA-317 board; 1,000 series —
4-4
REC/PB AMP, VIDEO, SERVO/SYSTEM CONTROL, AUDIO, MODE CONTROL, TUNER, POWER SUPPLY
MA-317
There are few cases that the part printed on this diagram isn’t mounted in this model.
SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF
MA-317 (REC/PB AMP) SCHEMATIC DIAGRAM
— Ref. No.: MA-317 board; 1,000 series —
4-5
4-6
4-7
REC/PB AMP
MA-317 (1/7)
• See page 4-3 for MA-317 BOARD printed wiring board.
IF702
DS-79
(OPERATION SWITCHES)
(OPERATION SWITCHES)
JK-161
(LINE IN 2)
SLV-688HF/L57/L58/
L77HF/L78HF/X50
(LINE IN 2)
SLV-688HF/L57/L58/
L77HF/L78HF/X50
MA-317
REC/PB AMP, VIDEO,
SERVO/SYSTEM CONTROL,
AUDIO, MODE CONTROL,
TUNER, POWER SUPPLY
REC/PB AMP, VIDEO,
SERVO/SYSTEM CONTROL,
AUDIO, MODE CONTROL,
TUNER, POWER SUPPLY
ACE ASSEMBLY
MA-317
BOARD
(1/3)
1
IC260
4
REC
2
IC260
#º
REC
CN261
1
REC
3
IC260
@•
REC
20mV/Div
0.1
µ
sec/div
0.5V/Div
0.1
µ
sec/div
1V/Div
0.1
µ
sec/div
4
IC260
@™
PB
200mV/Div
0.1
µ
sec/div
5
IC260
!•
REC/PB
2.3Vp-p
H
6
IC260
!¶
REC/PB
CN261
3
REC/PB
5Vp-p
30Hz
30Hz
MA-317 BOARD
CJ570
A-4
CN101
C-9
CN102
E-3
CN103
I-6
CN161
I-13
CN260
B-10
CN261
B-9
CN301
B-6
CN302
B-6
CN341
B-12
CN401
J-2
CN423
D-12
CN600
B-1
CNJ980
A-3
D103
G-7
D109
E-8
D161
H-3
D162
H-3
D382
A-12
D383
A-12
D405
J-13
D501
B-4
D560
B-4
D600
C-1
D601
D-3
D602
E-2
D603
D-2
D604
D-2
D605
E-1
D606
G-1
D607
F-1
D608
F-2
D609
F-2
D610
G-2
D611
F-12
D612
F-12
D616
D-2
D702
C-13
D980
A-4
D981
A-4
D982
B-4
IC101
I-4
IC160
I-10
IC161
G-7
IC162
H-7
IC201
D-6
IC202
E-5
IC260
B-10
IC301
C-6
IC340
B-11
IC360
D-10
IC403
J-10
IC420
J-8
IC501
C-3
IC601
H-12
IC602
F-1
IC733
H-13
IC980
B-4
PH101
H-9
PH102
H-6
PH600
E-1
Q101
F-3
Q102
F-11
Q103
G-8
Q201
B-6
Q202
C-6
Q208
C-5
Q209
D-5
Q210
E-6
Q211
E-6
Q260
B-9
Q301
C-7
Q331
C-8
Q387
A-12
Q401
J-13
Q501
C-4
Q502
D-4
Q560
B-5
Q601
D-2
Q602
C-1
Q603
E-12
Q604
I-1
Q605
H-1
• For printed wiring boards.
•
•
: Pattern from the side which enables seeing.
Caution :
Pattern face side:
Pattern face side:
Parts on the pattern face side
(Conductor Side)
seen from the pattern face are
indicated.
indicated.
Pattern face side:
parts on the parts face side seen
(Component Side) from the parts face are indicated.
• For schematic diagrams.
• Caution when replacing chip parts.
• Caution when replacing chip parts.
New parts must be attached after removal of chip.
Be careful not to heat the minus side of tantalum
capacitor, because it is damaged by the heat.
Be careful not to heat the minus side of tantalum
capacitor, because it is damaged by the heat.
• All resistor are in ohms, 1/4W unless otherwise noted.
Chip resistor are 1/10W unless otherwise noted.
k
k
Ω
: 1000
Ω
, M
Ω
, : 1000k
Ω
.
• All capacitors are in
µ
F unless otherwise noted. pF :
µ
µ
F. 50V or less are not indicated except for electrolytics
and tantalums.
•
: panel designation.
•
: internal component.
•
: B+ Line. *
•
: B– Line. *
•
: IN/OUT direction of (+,–) B LINE. *
• Circled numbers refer to waveforms. *
• Readings are taken with a color-bar signal input.
• Voltage are dc between ground and measurement
• Readings are taken with a color-bar signal input.
• Voltage are dc between ground and measurement
points.*
• Readings are taken with a digital multimeter (DC10M
Ω
).*
• Voltage variations may be noted due to normal production
tolerances.*
When indicating parts by reference number, please
include the board name.
include the board name.
• * : indicated by the color red.
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
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.