Sony SLV-798HF / SLV-998HF Service Manual ▷ View online
SLV-798HF/998HF
3-2. VIDEO BLOCK DIAGRAM
3-3
3-4
IC201
@•
REC
1Vp-p
H
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
IC260
!¶
REC/PB
2.3Vp-p
H
5Vp-p
30Hz
30Hz
5Vp-p
30Hz
30Hz
IC201
#¶
REC/PB
4Vp-p
H
IC201
$∞
PB
500mVp-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
CN261
3
PB
200mV/Div 0.1
µ
sec/div
CN261
1
REC
IC260
4
REC
1V/Div
0.1
µ
sec/div
CN261
2
PB
IC871
#º
REC/PB
4.8Vp-p
8MHz
8MHz
Q802
0.2V/Div
0.1
0.1
µ
sec/div
B
PB
IC500
3
,
@∞
REC/PB
2Vp-p
H
IC501
!º
REC/PB
503.5kHz
0.65Vp-p
IC500
9
REC/PB
5Vp-p
14.31818MHz
Q810
E
PB
0.1V/Div
0.1
µ
sec/div
IC500
OSD
BOARD
JK-159
VIDEO
MA-318 BOARD
1
CJ801
CN801
L2 V
1
CN423
TU700 36
FROM/TO
TUNER
BLOCK
BLOCK
TU V
CLP
CLP
CLP
34
28
32
30
35
DRUM
VIDEO
HEAD
SP
CH1
SP
CH2
EP
CH1
EP
CH2
CN260
ENV
DET
DET
3
2
5
6
13
14
11
10
18
SW7
SW3
SW3
PB
PB
SW8
SW4
SW10 SW6
PB
PB
SW9
SW5
4
12
SW1
SW2
REC
REC
COMP
LOGIC
HPF
REC
IDEL
26
16
29
19
20
17
21
VCA
C SYNC
DATA
CLOCK
RF SWP
C ROT
L263
L262
SW5V
2
3
CN261
CHECK
PIN
REC CURR
PB RF
RF SWP
10
7
6
9
8
13
12
11
1
IC260
VIDEO REC/PB AMP
Y/C 1
Y/C 2
Y/C 3
IC201
Y/C PROCESSOR
VIDEO
AGC
SUNC
SEP
37
Y/C
MIX
R
P
R
P
QH/QV
INS
R
P
VIDEO
AMP
SEP
Y NR
CLP
38
40
42
43
NT
R
P
5
12
1H
DL
7
10
CLK
Q209
BUFFER
IC202
(1/2)
Q505
BUFFER
C ROT
66
15
PB Y/C
KIL
SEQ
C
LPF
14
20
P
R
P
R
ACC
AMP
MAIN
COMV.
N
S
P
R
16
18
REC RF
FM
AGC
DEM
P
R
BPF
DL
EQ
3
1H
DL
13
Q210
BUFFER
48
25
IC202
(2/2)
1
50
DE
EMPH.
Q208
52
26
CLP
DE
EMPH.
FM
MOD
REC
EQ
R
P
R,A
B
R
P
VXO1
56
55
X201
10 VCO I
(1/2)
L206
L204
47
C VCC
36
Y VCC
SW5V
V IN
3
13
V SYNC
12
H SUNC
25
8
DET
IC501
AFC
XS
9
EXS
8
X500
14.318MHz
24
CS
22
S CLK
23
S IN
11 VCO O
X501
11
V SYNC
VIDEO
2
YOUT
16
SI
VIDEO
26
30
RF ENV
IC161 60
C SYNC
IC161 66
S OUT1
IC161 80
S CLK1
IC161 81
RF SWP
IC161
1
FROM/TO
SYSCON
BLOCK
Q810
BUFFER
Q809
SW
BUFFER
Q804,D801
Q806-808
Q805
21
SP
SW
WAVE
SHAPER
PB RF
EQ AMP
Q851-854
CLAMP
Q855-857
Q802,803
Q260
BUFFER
C
TRAP
22
28
PB RF
REC RF
Q201
BUFFER
24
AGC
27
Q801
BUFFER
3.579MHz
Q211
BUFFER
VD 5
HD 9
WAVE
SHAPER
Q873,874
FSC
BPF
BPF
46
45
33
VIDEO
AMP
Q871,872
Q875
BUFFER
SYNC
DET/SET
31
IC871
H SYNC
28
V SYNC
29
30
17
SO
15
SCK
32
IRQ
19
RESET
X871
Q502
BUFFER
Q503
BUFFER
Q560
P CONT1
CN162 21
RF VIDEO
TU700 5
SI0
CN162 7
SO0
CN162 8
SCK0
CN162 6
V SET CS
CN162 18
SYS RESET CN162 20
HDET
CN162 2
CG CS
CN164 12
CG V
CN164 23
Q VD
IC161
4
I2C DATA VIDEO
IC161 28
SERIAL
DECODER
64
I2C CLOCK VIDEO
IC161 30
63
FROM/TO
SYSCON
BLOCK
TO
TUNER
BLOCK
BLOCK
LINE 2
IN
CJ570
LINE 1
IN
VIDEO
CJ570
LINE
OUT
OUT
VIDEO
(SEE PAGE 4-5, 8, 15, 17, 19)
(SEE PAGE 3-12)
(SEE PAGE 4-33)
(SEE PAGE 3-6)
(SEE PAGE
3-6)
(SEE PAGE
3-11)
SLV-798HF/998HF
3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM
3-5
3-6
MA-318 BOARD
DRUM MOTOR
OUTPUT
HALL
DEVICE
CAPSTAN MOTOR
M901
M902
HALL
DEVICE
U+
OUTPUT
MATRIX
M
VCC
1
2
3
4
PG
FG
CAPSTAN
FG
U-
V+
V-
W+
W-
U
LIMITER
SW5V
V
W
VM
VCC
TL
1
6
5
2
3
7
1
6
5
2
3
7
CN102
SW5V
M12V
PS101
CVS
CAP RVS
CAP FG
IC100
CAP ERR
INTEG
D107
1
3
2
REF 2.5V
(2/2)
IC100
CAP ERR
INTEG
7
5
6
REF 2.5V
(1/2)
D109
1
2
3
4
CN101
M12V
M12V
D VS
D PG
D FG
6
1
3
IC141
CTL AMP
CTL
REC/PB
AMP
GAIN
SW
Q140
7
2
IC140
CN301
5
CTL
HEAD
1
CN103
3
2
M
LOADING
MOTOR
4
2
3
1
CAM
ENCODER
MECHA
POSITION
(
(
CN103
MODE1
MODE2
MODE3
MODE4
IC161
SERVO CONTROL
(1/2)
DRUM DA
74
DRUM PG
68
DRUM FG
69
STEP PLS
99
CAP STOP
35
CAP DA
73
CAP RVS
72
CAP FG
70
REC CTL
7
PB CTL
67
CAP TRQ PWM
84
CTL HYSHIGH
92
CTL RESET
8
L101
LOADING
MOTOR DRIVE
IC101
VCC1
8
VCC2
9
CAM+
2
CAM-
10
3
IN1
4
IN2
M12V
IC161
SYSTEM CONTROL
(2/2)
S REEL FG
63
PH102
T REEL
FG
LED
DRIVE
Q103
L161
AVREF
53
AVDD
54
VDD
89
5V
90
D161
D6V
T REEL FG
64
XTAL
42
SW12V
PH101
S REEL
FG
T/S LED
D103
T SENS
61
S SENS
62
T/E LED
32
Q101
TAKE END
SENSOR
D103
D6V
Q102
SUPPLY END
SENSOR
REC PRF
15
EXTAL
43
X160
16MHz
REC
PROOF
S101
CAM2
9
22
21
20
19
MODE1
MODE2
MODE3
MODE4
MODE1
MODE2
MODE3
MODE4
28
SDA 0
30
SCL 0
31
A MUTE
59
AF ENV
100
AF SWP
2
AF REC P
96
AF REC
6
FE ON
36
FULL ERS
60
RF ENV
66
V SYNC
80
DATA(SSB)
81
CLOCK(SSB)
1
RF SWP
77
REC CONT
45
S IN 0
4
Q VD
P CONT1
P CONT2
IC980
SIRCS/CBC
I/O
REG
ON/OFF
ON/OFF
12
STATUS
6
S IN
4
S OUT
5
9
CONTROL
S OUT
11
CONTROL
S IN
1
REG OUT
IN
OUT
CABLE BOX
CONTROL/
CONTROL S
CNJ981
CNJ980
46
S OUT 0
47
S CLK
40
ASURA RESET
44
ASURA CS
26
TV/VTR
11
TA MUTE
50
F MONO
5
I2C CLOCK1
IC360 42
FROM/TO
VIDEO
BLOCK
I2C DATA1
IC360 41
A MUTE
IC201 70
AF ENV
IC360 39
AF SWP
IC340
1
AF REC P
IC340
4
AF REC
IC340
5
FE ON
Q832
FULL ERS
Q932
I2C DATA VIDEO
IC201 64
I2C CLOCK VIED
IC201 63
RF ENV
IC260 26
C SYNC
IC201 37
S OUT1
IC260 19
S CLK1
IC260 20
RF SWP
IC260 17
Q VD
IC201 33
FROM/TO
AUDIO
BLOCK
,IC260 18
,IC360 40
S O 0
IC500 23
S I 0
IC871 17
S CK 0
IC500 22
SYS RESET
IC871 19
VSET CS
IC871 32
H DET
IC501
8
CG CS
IC500 24
CG V
IC500 11
P CONT1
Q503
Q604
IC601
4
,IC871 16
,IC871 15
TO
POWER
BLOCK
49
CDC POWER
48
NICOLON
STEREO
IC733 11
TU AFT
TU700 33
PLL DATA
TU700 21
PLL ENABLE
TU700 22
TV/VTR
TU700 4
SAP
IC733 10
MAIN/SAP
IC733
8
F MONO
IC733
7
TA MUTE
IC733
5
PLL CLOCK
TU700 20
FROM/TO
TUNER
BLOCK
2
3
22
21
23
12
2
18
20
6
8
7
19
15
14
13
11
16
17
4
9
10
CN162
LANC OUT
LANC IN
SIRCS OUT
SIRCS IN
P CONT2
P CONT1
CG V
CG CS
H DET
VSET CS
SYS RESET
S CK 0
S O 0
S I 0
ASURA CS
PLL ENABLE
PLL CLOCK
PLL DATA
TU AFT
MAIN/SAP
SAP
STEREO
BLOCK
TO/FROM
MODE
CONTROL
3
4
D6V
CN165
FOR
CHECK
16
(SEE PAGE 4-8, 11, 26)
(SEE PAGE 3-8)
(SEE PAGE
3-3, 4)
3-3, 4)
(SEE PAGE 3-9)
(SEE PAGE 3-12)
IC161
1
REC/PB
IC161
IC161
$£
REC/PB
3Vp-p
16MHz
16MHz
5Vp-p
30Hz
30Hz
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
SLV-798HF/998HF
3-4. AUDIO BLOCK DIAGRAM
3-7
3-8
BOARD
JK-159
3
CJ801
CN801
L2 R
CN423
LINE 2
IN
CJ570
LINE
OUT
OUT
AUDIO
R
L
MA-318 BOARD
2
1
4
3
3
CN260
DRUM
AUDIO
HEAD
CH1
CH2
FULL
ERASE
HEAD
17
4
REC MUTE
IC340
AFM
REC/PB
AMP
L341
18
24
20
AGC
DET
DET
13
14
16
VCC
SW5V
3
9
1
H SW
5
REC
CA
HA
HA
REC ON
EP
SP
AGC
AMP
PB ON
VCC
VCC
1
CN341
FM PB
HF ADJ
FOR
CHECK
BIAS
ERASE
OSC
36
37
AGC
AMP
VCO
HF
LPF
PNR
R
MUTE
OUTPUT
SEL
INPUT SEL
LEVEL
DET
VCO
HF
LPF
PNR
L
15
14
MUTE
16
17
MUTE
12
13
NORMAL IN
NORMAL OUT
21
20
35
SW12V
SW12V
SW12V
FM PB
FM REC
IC360
AUDIO
PROCESSOR
(HIFI)
39
5
6
3
4
SCL
42
SDA
41
AF SWP
40
AGC
Q830,831
Q832
Q830,831
998HF MODEL
R
L
AUDIO
CJ570
LINE 1
IN
R
L
AUDIO
5
L2 L
3
5
BIAS
ERASE
OSC
T331,Q331
CN301
1
2
4
DRUM
AUDIO
HEAD
FULL
ERASE
HEAD
AUDIO
REC/PB
HEAD
NOMAL
AUDIO
HEAD
SW
4
2
IC301
1
FULL
HEAD
CN302
HEAD
EXCEPT 998HF MODEL
Q932
BIAS
ERASE
OSC
T931,Q931
ERASE
1
FULL
HEAD
CN931
HEAD
998HF MODEL
SW5V
SW12V
SEL
1
2
IC201
AUDIO
PROCESSOR
(MONO)
MUTE
CTL
MUTE
LINE
AMP
77
PB
PB
ALC
10
11
8
9
PB:
LP,SP
EQ
76
AVCC
REC
SW5V
REC
REC
79
1
5
REC:EP,LP
PB:EP
4
3
AUTO
BIAS
BIAS
SW
Q301
6
70
7
80
AUTO
A-H SW
75
73
71
MUTE
MUTE
SW
MUTE
Q387
Q386
Q379
RF AUDIO
TU700 1
FROM/TO
TUNER
BLOCK
BLOCK
TU AUDIO L
IC733
3
TU AUDIO R
IC733
4
(2/2)
FROM/TO
SYSCON
BLOCK
16
A MUTE
IC161 31
I2C DATA1
IC161 28
I2C CLOCK1 IC161 30
AF ENV
IC161 59
AF SWP
IC161 100
AF REC P
IC161
2
AF REC
IC161 96
FE ON
IC161
6
FULL ERS
IC161 36
(SEE PAGE 4-5, 21)
(SEE PAGE 4-33)
(SEE PAGE 3-11, 12)
(SEE PAGE 3-6)
SLV-798HF/998HF
3-5. MODE CONTROL BLOCK DIAGRAM
3-9
3-10
CN460
43
EXTAL
EEP SCL
26
FROM/TO
SYSCON
BLOCK
SIRCS OUT
SIRCS IN
P CONT 2
P CONT 1
CG V
CG CS
H DET
VSET CS
S CK 0
S O 0
S I 0
SYS RESET
ASURA CS
PLL ENABLE
PLL CLOCK
PLL DATA
TU AFT
LANC IN
LANC OUT
FR-130 BOARD
F+
F-
-30V
VACUUM FLUORESCENT
INDICATOR TUBE
ND420
FROM
POWER
BLOCK
6
SIRCS OUT
SIRCS IN
P CONT 2
P CONT 1
CG V
CG CS
H DET
VSET CS
S CK 0
S O 0
S I 0
SYS RESET
ASURA CS
PLL ENABLE
PLL CLOCK
PLL DATA
TU AFT
LANC IN
LANC OUT
4
79
78
80
27
3
40
10
12
11
77
76
37
36
35
23
14
15
TIMER/TUNER
MODE CONTROL
IC460
REMOTE
CONTROL
RECEIVER
2
5
SDA
RESET
PULSE
GEN.
POWER
FAIL
DET.
6
8
5
7
1
IC463
IC461
29
JOG LED
20
A/D 4
19
A/D 3
42
DMS 2
41
DMS 1
REW
S411
18
A/D 2
CH+
S407
COMMAND
MODE
17
A/D 1
16
A/D 0
TV/VTR
S405
LED
DRIVE
Q460
POWER ON
D460
D5V
EEP SDA
28
BUZZER
7
6
SCL
7
MODE
WP
13
IC462
EEPROM
BZ460
42
XTAL
55
TX
54
TEX
X460
16MHz
X461
32.768kHz
JOG LED
CN461
CN440
4
3
1
2
4
3
1
2
PAUSE
A/D 4
DMS 2
DMS 1
26
24
25
12
13
17
18
19
21
23
22
10
11
9
20
14
27
29
30
5
5
LED
DRIVE
Q440
JOG
D440
PAUSE
S444
S442
S443
JOG
REC
DM -74 BOARD
2
3
4
5
1
CN441
STOP
COM
DMS 2
DMS 1
PLAY
PLAY
STOP
DMS BLOCK
QUICK SHUTTLE
16
L182
71
66
D462
D463
D6V
AVDD
24
VDD
72
VPP
75
RST
34
POWER FAIL
2
MAIN/SAP
SAP
STEREO
MAIN/SAP
SAP DET
STEREO DET
38
39
5
16
15
28
44
59
G1
G6
SEG1
SEG16
CH
S409
S410
S406
INPUT
SELECT
SP/EP
S404
EDIT
S403
S408
EASY
SETUP
988HF ONLY
FF
S412
S441
EJECT
(SEE PAGE 4-29)
(SEE PAGE 3-6)
(SEE PAGE 4-32)
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