Sony SLV-789HF / SLV-792HF / SLV-799HF Service Manual ▷ View online
SLV-789HF/792HF/799HF
SECTION 3
BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM
3-1
3-2
BOARD
MF-316
LINE 2
IN
CNJ491
VIDEO
MA-342 BOARD
LINE 1
IN
CJ561
VIDEO
L VIDEO 2
L VIDEO 1
SP
CH 1
SP
CH 2
EP
CH 1
EP
CH 2
VIDEO
REC/PB
QAMP
IC260
Y/C
PROCESSOR
IC201
PB Y/C
(1/2)
REC Y/C
C SYNC
CH 1
CH 2
AUDIO
HEAD
VIDEO
HEAD
BOARD
MF-316
LINE 2
IN
CNJ491
LINE 1
IN
CJ561
AUDIO
L 1(L)
R
L
L 1(R)
AUDIO
L 2(L)
R
L
L 2(R)
AUDIO
PROCESSOR
IC360
(HIFI)
AUDIO
PROCESSOR
(MONO)
IC201
(2/2)
NORM IN
NORM OUT
AF ENV
AF SWP
I2C CLK
I2C DATA
A L
A R
RF AUDIO
HA SWP
RF ENV
RF SWP
REC/
PB
ERASE
HEAD
BIAS
ERASE
OSC
T301,Q303
NORMAL
AUDIO
FULL
ERASE
HEAD
HEAD
SW
IC331
A HEAD PB
A HEAD REC
OSD
IC160
ARC
IC570
VIDEO
I2C DATA
I2C CLK
TU VIDEO
Q VD
LINE
OUT
OUT
CJ561
L
R
VIDEO
AUDIO
RF VIDEO
VHF/
UHF
UHF
OUT
IN
TU701
RF VIDEO
TU VIDEO
RF A
UDIO
PLL CLOCK
PLL ENB
TV/VTR
HA SWP
RF ENV
RF SWP
AF ENV
AF SWP
I2C CLK
I2C DATA
PLL DATA
AFT
DRIVE
LED
Q103
T REEL
PH102
S REEL
PH101
T SENS
Q101
S SENS
Q102
(T/S LED)
D103
SW12V
T REEL FG
S REEL FG
T SENS
S SENS
T/S LED
IC160
CONTROL
SYSTEM
SERVO
DRUM
CONTROL
SIGNAL
CAPSTAN
FG
DRUM
PG
DRUM
FG
M
DRUM
MOTOR
M
CAPSTAN
MOTOR
CAP FG
CAP VS
D FG
D PG
D VS
DRUM MOTOR
CAPSTAN MOTOR
LOADING
MOTOR
IC101
M
LOADING
MOTOR
CTL
AMP
ROTARY
SWITCH
SWITCH
CTL REC/PB
CAM +,-
MODE1-4
SERVO
CAPSTAN
FAIL DET
POWER
IC162
PULSE GEN
RESET
INDICATOR TUBE
FLUORESCENT
ND420
-F
+F
IC461
CONTROL
REMOTE
RECEIVER
BLOCK
DMS
KEY
FUNCTION
KEY
FUNCTION
FUNC KEY 1
DMS +/-
16
C SYNC
BOARD
AR-20
Y
C
V
(1/2)
ARC
RF CH
S701
3CH
4CH
Q VD
ARC DATA,ARC CLK
IC161
EEPROM
(2/2)
PUSH/TURN
DIAL TIMER
S901
DI-71 BOARD
DRIVE
FL
IC420
FUNC KEY 2
S401-406
KKP +/-
S470,472,473
S462,464,466
AFC
IC870
V SET
IC871
S OUT 0
S IN 0
S CLK
MEDIA VIDEO
HA SWP
RF ENV
RF SWP
TU L
TU R
TU L
TU R
MF-316 BOARD
IC980
CBC I/O
CIRCS
CONTROL/
CABLE BOX
CONTROL S
IN
OUT
CNJ980
CNJ981
SIRCS OUT
CBC ON
NICOLE
REMOTE
TIMER SET
DM-84 BOARD
S OUT 0
S IN 0
S CLK 0
(SEE PAGE 4-26)
(SEE PAGE 4-25)
(SEE PAGE 4-28)
(SEE PAGE 4-7,9,11,13,15,17,19,21)
(SEE PAGE 4-25)
(SEE PAGE 4-27)
(SEE PAGE 4-24)
SLV-789HF/792HF/799HF
3-2. VIDEO BLOCK DIAGRAM
3-3
3-4
BOARD
MF-316
VIDEO
MA-342 BOARD
1
CNJ491
CN491
L2 V
1
CN423
FROM
TUNER
BLOCK
BLOCK
TU VIDEO
CLP
CLP
CLP
32
35
37
39
31
DRUM
VIDEO
HEAD
SP
CH1
SP
CH2
EP
CH1
EP
CH2
CN260
16
19
24
21
5
PB
PB
PB
PB
17
22
REC
REC
COMP
AGC
DET
DET
13
L270
SW5V
2
3
CN270
CHECK
PIN
PB RF
RF SWP
10
7
6
9
8
13
12
11
IC260
VIDEO REC/PB AMP
IC201
Y/C PROCESSOR
VIDEO
AGC
SYNC
SEP
28
Y/C
MIX
R
P
R
P
LPF
1H
DL
Q203
BUFFER
2
KIL
C
LPF
P
R
P
R
ACC
AMP
N
S
P
R
16
7
REC Y RF
FM
AGC
DEM
BPF1
DL
EQ
55
1H/2H
DL
52
59
53
61
MAIN
EMPH.
FM
MOD
REC
EQ
VXO1
(1/2)
C SYNC
IC160 58
RF ENV
IC160
8
ENV SW
IC160 17
HA SWP
IC160 16
RF SWP
IC160 18
FROM/TO
SYSCON
BLOCK
7
9
PB RF
REC RF
BUFFER
Q500
TO
TUNER
BLOCK
BLOCK
LINE 2
IN
CJ561
LINE 1
IN
VIDEO
CJ561
LINE
OUT
OUT
VIDEO
AGC
ATF
11
10
REC H
REC C
HA
CONT
ENV
DET
DET
6
2
3
4
TU701 28
P
R
PIC
CONT
CHARA
INS
FBC 1/2
6dB
AMP
R
P
R
P
YNR
29
KIL
B.D
23
24
43
46
47
CLP
41
INV
63
50
CLK IN
AMP
LPF
R
P
BPF2
MAIN
COMV.
BACK UP
AMP
SUB
BPF
BPF
SUB
COMV.
1
FM
AGC
4
SQPB
EQ
PB
EQ
6
8
AMP
Q201
SUB
LPF
LPF
R
P
Q202
CLP
10
17
95
N.L
EMPH.
DETAIL
ENH
REC H
REC CUR ADJ
TRICK H
REC C
16
99
PB
BGA-B
REC
BGA
PB
BGA-A
B
PA
REC
APC
APC
67
66
VCO
65
62
60
SLD
X201
3.579545MHz
RF SWP
RF ENV
ENV SW
HA SWP
C SYNC
98
RW SWP
97
HA SWP
96
C ROT
SERIAL
DECODER
20
21
C ROT
IC160 15
I2C CLK
IC160 71
I2C DATA
IC160 72
Q502
BUFFER
OSD V IN
50
C VIDEO IN
56
52
OSD V OUT
IC160
(1/3)
BUFFER
Q561
RF VIDEO
TU701 5
2
3
5
7
2
3
5
7
ARC DATA
ARC CLK
VIDEO IN
C IN
VIDEO OUT
CN201
DATA
10
CLK
9
Y IN
18
C IN
20
V OUT 4
IC570
ARC
25
Q VD
Q VD
IC160 13
BLOCK
FROM
SYSCON
ARC CLK
IC160 41
ARC DATA
IC160 42
DE
EMPH
12
REC CUR ADJ
1
TRICK H
AR-20 BOARD
4
4
CN201
CN570
CN570
CN201
Q870
BUFFER
S IN 0
IC160 69
WAVE
SHARPER
17
SO
BLOCK
FROM
SYSCON
IC870
ARC
VIDEO
2
9
HD
5
VD
Q873,874
32FH
10
32FH
11
X870
500kHz
Q875
BUFFER
MEDIA
VIDEO
VIDEO
Q871,872
VIDEO
26
H SYNC
28
V SYNC
29
IC871
VSET
16
SI
15
SCK
32
IRQ
19
RESET
30
XTAL
31
EXTAL
X871
8MHz
S OUT 0
S CLK 0
V SET CS
V SE RESET
IC160 68
IC160 70
IC160 67
IC160 100
(SEE PAGE 4-26)
(SEE PAGE 3-6)
(SEE PAGE 4-7,9)
(SEE PAGE 3-5)
(SEE PAGE 4-28)
(SEE PAGE 3-6)
(SEE PAGE 3-6)
(SEE PAGE 3-5)
IC201
#¶
REC
1.0Vp-p
H
IC201
@•
REC/PB
H
4.2Vp-p
IC260
5
REC/PB
3.4Vp-p
H
IC201
1
PB
0.7Vp-p
V
IC260
9
REC
0.7Vp-p
V
IC260
9
REC
160mVp-p
0.1
µ
sec/div
50mV/div
IC260
!º
REC
480mVp-p
H
1
IC260
4
REC/PB
3.6Vp-p
V
IC260
!¶
REC
3.4Vp-p
0.1
µ
sec/div
1V/div
0.1
µ
sec/div
0.1V/div
IC201
7,
REC
360mVp-p
IC201
2,
REC
480mVp-p
H
IC201
(•
1.5Vp-p
30Hz
RF SW P
REC/PB
REC/PB
IC201
^¶
REC/PB
460mVp-p
3.579545MHz
IC201
@ª
PB
2.3Vp-p
H
IC201
@£
PB
0.5Vp-p
H
SLV-789HF/792HF/799HF
3-3. SERVO/SYSTEM CONTROL/TUNER BLOCK DIAGRAM
3-5
3-6
MA-342 BOARD
DRUM MOTOR
OUTPUT
HALL
DEVICE
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
D109
1
2
3
4
CN101
M12V
M12V
D VS
D PG
D FG
1
CN161
3
CTL
HEAD
1
CN103
3
2
M
LOADING
MOTOR
4
2
3
1
CAM
ENCODER
MECHA
POSITION
CN103
MODE1
MODE2
MODE3
MODE4
IC160
SERVO CONTROL
(2/3)
DRUM ERR
77
DRUM PG
90
DRUM FG
89
CAP RVS
24
CAP FG
87
CTL +
95
CTL -
94
LOADING
MOTOR DRIVE
IC101
CAM -
2
CAM +
10
4
IN2
SYSTEM CONTROL
(3/3)
S REEL FG
79
PH102
T REEL
FG
LED
DRIVE
Q103
T REEL FG
80
4fSC IN
38
SW12V
PH101
S REEL
FG
T/S LED
D103
T SENS
7
S SENS
6
END LED
20
Q101
TAKE END
SENSOR
D103
D6V
Q102
SUPPLY END
SENSOR
REC PRF
30
4fSC OUT
39
X160
14.31818MHz
REC
PROOF
S101
CAM
33
29
28
27
26
MODE1
MODE2
MODE3
MODE4
MODE1
MODE2
MODE3
MODE4
16
CAPSTAN
MOTOR
CAP ERR
76
S102
REMOTE
CONTROL
RECEIVER
1
RESET
PULSE
PULSE
GEN.
POWER
FAIL
DET.
6
8
5
7
2
IC162
IC461
L162
D162
D6V
VCC
37
AVCC
99
AMP VCC
98
RST
34
POWER FAIL
78
32kHz IN
35
32kHz OUT
36
X160
32.768kHz
L161
D161
L163
UNSW 5V
D5V
S401-406
OSC IN
44
OSC OUT
45
L500
ARC DATA
42
ARC CLK
41
Q VD
13
C SYNC
58
V RF ENV
8
ENV SW
17
HA SWP
16
RF SWP
18
I2C DATA
72
I2C CLK
71
ARC DATA
CN570 2
C SYNC
,IC260 5
ARC CLK
CN570 3
Q VD
IC201 25
RF ENV
IC260
6
ENV SW
IC260
2
HA SWP
,IC260 3
RF SWP
,IC260 4
I2C DATA
IC201 20
I2C CLK
IC201 21
IC201 97
IC201 28
IC201 98
AF ENV
IC360 44
AF ENV
9
I2C DATA
IC360 42
I2C CLK
IC360 43
AF SWP
19
AF REC P
22
A MUTE
63
AF SWP
IC360 41
A MUTE
,IC360 94
TO/FROM
VIDEO
BLOCK
TO/FROM
AUDIO
BLOCK
Q301 B
3 CH
4 CH
S701
RF CH
IC160
IC160
IN
OUT
VHF/
UHF
TU701
59
PLL CLK
60
PLL DATA
61
PLL ENABLE
3
TU AFT
21
ANT SEL
85
STEREO
86
SAP
83
MAIN/SAP
84
F MONO
62
TA MUTE
VACUUM FLUORESCENT
INDICATOR TUBE
ND420
69
S IN
IC420
FL DRIVER
68
S OUT
70
S CLK
66
FLD CS
82
DMS -
15
32
44
38
D OUT
5
D IN
6
CLK
8
CS
9
46
ARC
47
JOG
S1
S18
G1
G7
D410
F -
F +
81
DMS +
FUNCTION
KEY
5
FUNC KEY1
4
FUNC KEY2
RF VIDEO Q500
C
TU VIDEO IC201 39
RF AUDIO IC360 13
AUDIO R
IC360
3
AUDIO L
IC360
2
TO/FROM
VIDEO
BLOCK
TO/FROM
AUDIO
BLOCK
CN471
9
3
9
3
8
7
8
7
4
2
6
4
2
CN404
JOG LED
DMS –
DMS +
EJECT
CH -
PB/STOP
CH+
D462
FUNCTION
KEY
S462,464,466
S470,472,473
6
CN472
5
4
1
2
PLAY
STOP
DUAL MODE
SHUTTLE
DM-84 BOARD
CN402
3
2
1
TIMER SET
KKP -
KKP +
3
2
1
DI-71 BOARD
DIAL TIMER
PUSH/TURN
S901
12
KKP -
11
KKP +
64
P CONT M12
65
P CONT SW12
P CONT M12
P CONT SW12
TO
POWER BLOCK
C ROT
15
C ROT
IC201 96
31
I2C CLK
32
I2C DATA
5
6
EEPROM
IC161
12 CLK
13 DATA
11 ENABLE
27 AFT
4
CONT
32 ST IND
33 SAP IND
34 MODE
35 F MONO
36 MUTE
5
VIDEO
28
DET
1
AUDIO
38
L
37
R
2
SW
S IN 0
S OUT 0
S CLK 0
17
IC871
16
IC871
15
IC871
TO/FROM
VIDEO
BLOCK
5
SP/EP
5
CN403
POWER
P CONT M12
REMOCON
2
4
3
MF-316 BOARD
LED
DRIVE
Q461
POWER
S461
D5V
D461
2
4
3
CN461
CN901
CN104
2
4
3
14
REMOCON
IC980
SIRCS/CBC
I/O
4
REG ON/OFF
12
SIRCS OUT
5
STATUS OUT
6
9
CONTROL
S OUT
11
CONTROL
S IN
1
REG OUT
IN
OUT
CABLE BOX
CONTROL/
CONTROL S
CNJ981
CNJ980
10
CBC ON
73
SIRCS OUT
75
NICOLE
SIRCS IN
S CLK
S DATA
RESET
FOR
CHECK
67
V SET CS
100
V SET RESET
V SET CS
V SET RESET
32
IC871
19
IC871
(SEE PAGE 4-11,15)
(SEE PAGE 3-4)
(SEE PAGE 3-4)
(SEE PAGE 3-8)
(SEE PAGE 4-24)
(SEE PAGE 4-26)
(SEE PAGE 4-27)
(SEE PAGE 3-4)
(SEE PAGE 3-8)
REALITY REGENERATOR
(JOG)
IC160
(º
4.6Vp-p
30Hz
DRAM PG
REC/PB
REC/PB
IC160
*ª
4.4Vp-p
360Hz
DRAM FG
REC/PB
REC/PB
IC160
*¶
CAP FG SP
4.4Vp-p
1078Hz
IC160
(∞
CTL+IN REC
5.0Vp-p
30Hz
14.31818MHz
IC160
#ª
5.0Vp-p
4fsc (OUT)
REC/PB
REC/PB
IC160
#§
3.0Vp-p
32.768kHz
32kHz (OUT)
REC/PB
REC/PB
25.3MHz
IC160
$∞
4.2Vp-p
OSC OUT
REC/PB
REC/PB
H
IC160
%•
4.2Vp-p
C SYNC
REC/PB
REC/PB
SLV-789HF/792HF/799HF
3-4. AUDIO BLOCK DIAGRAM
3-7
3-8
BOARD
MF-316
3
CNJ491
CN491
L2 R
CN423
LINE 2
IN
CJ561
LINE
OUT
OUT
AUDIO
R
L
MA-342 BOARD
2
1
3
CN260
DRUM
AUDIO
HEAD
CH1
CH2
PNR
L
MUTE
INPUT SEL
LEVEL
DET
VCO
MUTE
IC360
AUDIO
PROCESSOR
(HIFI)
44
6
7
3
2
SCL
43
SD
A
42
R
L
AUDIO
CJ561
LINE 1
IN
R
L
AUDIO
5
L2 L
3
5
BIAS
ERASE
OSC
T301,Q303
CN301
4
3
1
ERASE
AUDIO
REC/PB
HEAD
NOMAL
AUDIO
HEAD
SW
4
2
IC331
1
FULL
HEAD
CN302
HEAD
IC201
AUDIO
PROCESSOR
(MONO)
MUTE
LINE
AMP
ALC
93
92
EQ
REC
REC
REC
84
87
REC:EP,LP
PB:EP
86
85
AUTO
BIAS
89
88
AUTO
A-H SW
74
76
78
MUTE
Q382
(2/2)
16
37
35
36
H
L
BPF
VCO
PNR
R
10 11
41
OUTPUT SEL
MUTE
NA IN
NA OUT
16
15
17
18
14
13
22
21
L1
L2
TU
BIAS
SW
Q302
AUDIO
ERASE
HEAD
P
R
A MUTE
VREF
80
94
81
82
1
CN270
CHECK
HF ADJ
MUTE
Q381
MUTE
SW
Q380
RF AUDIO
C389
1
TU701
TO
TUNER
BLOCK
A MUTE
IC160 63
FROM
SYSCON
BLOCK
FROM/TO
SYSCON
BLOCK
TU AUDIO L
TU701 38
I2C DATA
IC160 72
I2C SCL
IC160 71
AF ENV
IC160
9
AF SWP
AF REC P
IC160
IC160
19
TU AUDIO R
TU701 37
FROM
TUNER
BLOCK
22
(SEE PAGE 4-9)
(SEE PAGE 4-26)
(SEE PAGE 3-6)
(SEE PAGE 3-5)
(SEE PAGE 3-6)
(SEE PAGE 3-6)
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