Sony SLV-798HF / SLV-998HF Service Manual ▷ View online
SLV-798HF/998HF
3-6. TUNER BLOCK DIAGRAM
3-11
3-12
SPLITTER
RF
MOD
IN
OUT
TV
VTR
VHF/
UHF
TU700
2
5
1
4
TUNER/MOD/IF
7
F MONO
18
19
3
20
21
22
36
33
35
CH 4
CH 3
S701
RF CH
L704
L703
L731
SW5V
30V
MA-318 BOARD
IF
MPX
AFT
RF
30V
5V
5V
ENABLE
CLOCK
D
ATA
RV731
SEPARATION
VCC
1
MPX IN
12
IC733
ST/BILINGUAL
PROCESSOR
3
L
10
SAP IND
4
R
11
ST IND
8
MS0
5
MS1
5
MUTE
FROM/TO
SYSCON
BLOCK
RF AUDIO
IC360 12
RF VIDEO
Q560
FROM
VIDEO
BLOCK
FROM
AUDIO
BLOCK
TU VIDEO
IC201 32
TU AUDIO L
IC360
1
TU AUDIO R
IC360
2
F MONO
IC161 50
TA MUTE
IC161 11
MAIN/SAP
CN162 16
SAP
CN162 17
STEREO
CN162 4
TV/VTR
IC161 26
TU AFT
CN162 11
PLL DATA
CN162 13
PLL CLOCK
CN162 14
PLL ENABLE
CN162 15
TO
VIDEO
BLOCK
TO
AUDIO
BLOCK
16
(SEE PAGE 4-23)
(SEE PAGE 3-4)
(SEE PAGE 3-8)
(SEE PAGE 3-3)
(SEE PAGE 3-8)
(SEE PAGE
3-6)
3-6)
Q731
SLV-798HF/998HF
3-7. POWER SUPPLY BLOCK DIAGRAM
3-13
3-14E
CN603
MOTOR
12V SW
12V SW
Q604,605
12V
REG
2
1
4
IC601
SW 5V
REG
Q603,606
PS600
1
10
.9
11
L204
VCC
1
5V
3
30V
18
TU700
R705
IC201
Y/C PROC.
Y VCC
36
C VCC
47
L206
1H DELAY
IC202
VDD
2
5V
32
OSD
IC500
VCC
7
L502
AFC
IC501
VCC
13
L503
(1/2)
AVCC
76
L301
AUDIO PROC.
(MONO)
IC201
(2/2)
12V
35
AUDIO PROC.
(HIFI)
IC360
T/S
REEL
CAPSTAN
MOTOR
IC161
SERVO/SYSTEM
CONTROL
D161
LOADING
MOTOR
DRIVE
CTL AMP
IC141
VCC1
8
VCC2
9
VCC
8
IC101
L141
PS101
D109
CN101
MTR 12V
MTR 12V
SW 5V
CN102
DRUM
MOTOR
P CONT 1
P CONT 2
-30V
+F
-F
D 6V
L182
CN460
D463
D462
TIMER/TUNER
MODE CONT.
IC460
AVDD
24
AVREF
35
VDD
72
VPP
75
VFDP
43
POWER CONT 1
78
POWER CONT 2
79
11
10
RESET
PULSE
GEN.
POWER
FAIL
DET.
VCC2
5
VCC1
7
IC462
EEPROM
VCC
8
IC463
POWER
ON
D460
IC461
REMOTE
CONTROL
RECEIVER
VCC
2
FLUORESCENT
INDICATOR TUBE
ND420
D420
F-
F+
3
2
1
21
22
29
30
31
4
CHECK
PIN
CN163
D 6V
CN162
FR-130 BOARD
1
7
1
BLOCK
POWER
30V
13V
5
.4
6V
2
3
+F
-F(0V)
-30V
CN602
11
3
.2
1
30V
13V
8
.7
6V
10
9
+F
-F(10V)
-30V
EXCEPT
988HF Chilean, PX
MODEL
988HF Chilean, PX
MODEL
L604
JS609
L605
MA-318 BOARD
VIDEO
REC/PB AMP
IC260
BIAS
ERASE
OSC
T331,Q331
IC301
FE
BIAS
OSC
T931,Q932
P CONT 2
P CONT 2
SW5V
M12V
L607
L606
F+
F-
-30V
SW12V
+30V
IC733
ST/BILNG
PROCESSOR
5V
19
30V
L703
L704
L731
PS331
PS331
998HF MODEL
VCC
16
VCC
29
L202
L263
AVCC
4
D6V
VCC
14
L341
AFM
REC/PB AMP
IC340
L331
REC/PB AMP
HEAD SW
VCC
1
797HF/798HF MODEL
BIAS
ERASE
OSC
Q830,831
REC +B
SW
REC +B
Q833,834
998HF MODEL
AVREF
53
AVDD
54
VDD
89
5V
90
L160
VDD
20
IC871
SYNC
DET/SET
DRUM
CAPSTAN
AMP
VCC
8
IC100
T/S
SENSOR
Q101,102
PH100,101
IC980
SIRCS/CBC
I/O
REG IN
14
VCC
13
D161
D982
L101
CTL AMP
IC140
VCC
8
L140
16
25
.
24
7
.8
6
CN440
6
CN461
D5V
LED
DRIVE
Q440
JOG
Q440
D440
DM-74 BOARD
(SEE PAGE 4-5, 8, 11, 15, 19, 21, 23, 25)
(SEE PAGE 4-29)
(SEE PAGE 4-32)
SLV-798HF/998HF
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
4-1. FRAME SCHEMATIC DIAGRAM
4-1
4-2
FRAME SCHEMATIC DIAGRAM
(Chilean, PX)
(EXCEPT Chilean, PX)
(EXCEPT Chilean, PX)
(Chilean, PX)
SLV-798HF/998HF
4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
MA-318 (REC/PB AMP, VIDEO, SERVO/SYSTEM CONTROL, AUDIO, TUNER) PRINTED WIRING BOARD
— Ref. No.: MA-318 Board; 1,000 Series —
4-3
4-4
There are few cases that the part printed on this diagram isn’t mounted in this model.
REC/PB AMP, VIDEO, SERVO/SYSTEM CONTROL, AUDIO, TUNER
MA-318
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