Sony SLV-798HF / SLV-998HF Service Manual ▷ View online
SLV-798HF/998HF
4-5
MA-318 (REC/PB AMP) SCHEMATIC DIAGRAM
— Ref. No.: MA-318 Board; 1,000 Series —
4-6
4-7
MA-318
REC/PB AMP, VIDEO, AUDIO,
SERVO/SYSTEM CONTROL,
TUNER
REC/PB AMP, VIDEO, AUDIO,
SERVO/SYSTEM CONTROL,
TUNER
FR-130
(MODE CONTROL)
(MODE CONTROL)
DM-74
(OPERATION SWITCHES)
(OPERATION SWITCHES)
POWER BLOCK
JK-159
(LINE-2 IN)
(LINE-2 IN)
MA-318
BOARD
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-318 BOARD
CJ570
A-3
CN101
C-7
CN102
E-2
CN103
I-4
CN162
J-12
CN163
I-12
CN260
B-9
CN261
B-7
CN301
B-4
CN302
B-5
CN341
B-10
CN423
C-12
CN602
F-1
CN603
H-1
CN931
D-10
CNJ980
A-2
CNJ981
A-1
D103
F-6
D107
G-8
D109
F-4
D161
J-8
D370
C-10
D379
A-11
D502
C-1
D503
C-2
D504
C-2
D560
B-3
D561
A-10
D611
J-3
D612
J-3
D614
J-3
D702
F-12
D801
D-9
D802
D-9
D980
A-2
D981
A-2
D982
B-1
D983
A-1
D984
A-1
IC100
G-6
IC101
I-3
IC140
H-11
IC141
A-5
IC161
I-9
IC201
D-5
IC202
E-5
IC260
B-8
IC301
B-5
IC340
B-10
IC360
B-11
IC500
C-1
IC501
D-1
IC601
E-12
IC733
H-13
IC871
I-6
IC980
B-1
PH101
H-8
PH102
H-4
Q101
F-1
Q102
F-10
Q103
F-5
Q140
H-10
Q201
C-3
Q205
C-3
Q208
D-4
Q209
E-4
Q210
E-5
Q211
D-6
Q260
B-7
Q301
C-5
Q331
C-6
Q379
A-11
Q386
A-11
Q387
A-11
Q502
B-2
Q503
B-2
Q505
D-1
Q560
B-3
Q603
J-2
Q604
J-3
Q605
J-4
Q606
J-2
Q731
H-13
Q801
B-8
Q802
E-10
Q803
D-9
Q804
E-9
Q805
E-9
Q806
E-8
Q807
E-8
Q808
E-8
Q809
D-8
Q810
E-8
Q830
C-9
Q831
C-9
Q832
D-10
Q833
C-10
Q834
C-9
Q851
C-8
Q852
C-8
Q853
D-8
Q854
D-8
Q855
D-8
Q856
D-8
Q857
D-8
Q871
I-5
Q872
I-5
Q873
I-5
Q874
I-5
Q875
H-5
Q931
D-11
Q932
D-10
• For printed wiring boards.
•
•
b
: 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.
•
C
: panel designation.
•
: internal component.
•
A
: B+ Line.
*
•
B
: B– Line.
*
•
J
: 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
• 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.)
REC/PB AMP
MA-318 (1/10)
SLV-798HF/998HF
MA-318 (VIDEO, NORMAL AUDIO) SCHEMATIC DIAGRAM
— Ref. No.: MA-318 Board; 1,000 Series —
• See page 4-3 for MA-318 BOARD printed wiring board.
MA-318
BOARD
7
IC201
!∞
PB
CN261
2
PB
8
IC201
@º
PB
9
IC201
@∞
REC
0.1V/div
0.1
µ
sec/div
200mV/Div 0.1
µ
sec/div
!£
IC201
#•
REC/ PB
!∞
IC201
%§
REC
3.579545MHz
550mVp-p
550mVp-p
0.5Vp-p
H
!º
IC201
@•
REC
1Vp-p
H
!¡
IC201
#∞
REC
1Vp-p
H
!™
IC201
#¶
REC/PB
4Vp-p
H
2Vp-p
H
!∞
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
$∞
PB
500mVp-p
H
4-8
4-9
4-10
VIDEO, NORMAL AUDIO
MA-318 (2/10)
SLV-798HF/998HF
MA-318 (SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM
— Ref. No.: MA-318 Board; 1,000 Series —
• See page 4-3 for MA-318 BOARD printed wiring board.
MA-318
BOARD
!¶
IC161
1
REC/PB
!•
IC161
!ª
IC161
$£
REC/PB
3Vp-p
16MHz
16MHz
5Vp-p
30Hz
30Hz
@º
IC161
&º
REC/ PB
@£
IC161
^•
REC/PB
@¢
IC161
^ª
REC/PB
@¡
IC161
&£
REC/PB
@™
IC161
&¢
REC/PB
@∞
IC161
7
REC
@§
IC161
^¶
REC
5Vp-p
360Hz
360Hz
5Vp-p
360Hz
360Hz
5Vp-p
1.078kHz
1.078kHz
5Vp-p
30Hz
30Hz
5Vp-p 360Hz
4Vp-p 30Hz
5Vp-p
30Hz
30Hz
100
4-11
4-12
4-13
SERVO/SYSTEM CONTROL
MA-318 (3/10)
SLV-798HF/998HF
MA-318 (ON SCREEN DISPLAY) SCHEMATIC DIAGRAM
— Ref. No.: MA-318 Board; 1,000 Series —
• See page 4-3 for MA-318 BOARD printed wiring board.
SLV-798HF/998HF
MA-318
BOARD
@¶
IC501
!º
REC/PB
@ª
IC500
3
,
@∞
REC/PB
2Vp-p
H
@•
IC500
9
REC/PB
503.5kHz
0.65Vp-p
0.65Vp-p
5Vp-p
14.31818MHz
14.31818MHz
4-15
4-16
ON SCREEN DISPLAY
MA-318 (4/10)
Click on the first or last page to see other SLV-798HF / SLV-998HF service manuals if exist.