Sony SLV-7700KML Service Manual ▷ View online
SLV-7700KME/7700KML
4-4. AUDIO BLOCK DIAGRAM
CN501
DRUM
AUDIO
AUDIO
HEAD
CH1
CH2
5
IC760
AFM
REC/PB AMP
11
10
8
AGC
DET
DET
7
VCC
16
21
CA
HA
HA
REC ON
FE
AGC
AMP
PB ON
VCC
AGC
BIAS
ERASE
OSC
T881,Q881
1
2
4
AUDIO
ERASE
HEAD
AUDIO
REC/PB
HEAD
1
FULL
HEAD
CN891
FE901
3
2
1
RP-233 BOARD
1
5
6
3
CN701
CN881
BIAS
ERASE
OSC
T891,Q891
ERASE
SW12V
Q892
15
AGC
18
CTL
1
2
3
4
HE901
ACE HEAD
Q882
SW12V
BIAS
SW
Q886
2
CHECK
FOR
HF ADJ
1
5
6
3
4
CN501
FM PB
FM REC
AF SWP
REC
AF REC P
MA-303 BOARD
FM
BPF
SW
21
VCO
1.4MHz
MODEM
PNR
L
DO
COM
ENB
LOPE
28
24
10
19
27
PNR
R
MODEM
RV522
Q522
VCO
1.3MHz
RV521
OUTPUT SEL
VCO
1.8MHz
RV532
Q532
VCO
1.7MHz
RV531
PB RF
BPF
RV541
46
42
41
30
REC
AMP
48
MIX
AMP
INPUT SEL
6
52
54
53
5
4
3
8
9
26
IC501
AUDIO PROCESSOR
IC551
4
2
5
HEAD SW
Q631
BUFF
4
Q805
BUFF
Q806
BUFF
IC801
14
13
12
5
3
9
10
AMS
7
3
IC813
IC812
Q804
5
7
AMS
IC201 21
TO/FROM
SYSTEM CONT
BLOCK
SOUND LEVEL
IC201 58
NA PB
IC201 98
VCD/VHS
IC201 91
AF ENV
IC201 55
NT PB
IC201 59
AF DATA
IC201 80
AF CLK
IC201 81
AF MUTE
IC201 17
IC812
3
1
MIC LEVEL
IC201 57
MB-77 BOARD
TO/FROM
KARAOKE .AUDIO I/O
BLOCK
CN602
MB-77 BOARD
TO/FROM
KARAOKE .AUDIO I/O
BLOCK
CN602
TO/FROM
SYSTEM CONT
BLOCK
12
6
8
23
10
CN801
PB EE L
PB EE R
REC L
REC R
NT PB
IC802
Q641
BUFF
5
7
3
1
14
2
4
1
CN801
VCD M
MIC
LINE OUT L
LINE OUT R
NT/PAL
IC201 24
AF SWP
IC201 100
REC
IC201 48
AF REC P
IC201 4
NA REC P
IC201 16
FULL ERS
IC201 36
HF ADJ
IC201 56
TU-168 BOARD
TO
TUNER BLOCK
CN703
2
8
9
CN701
MOD A
LEVEL METER L
LEVEL METER R
CN901
HI-66 BOARD
TO
DISPLAY CONT
BLOCK
CN301
16
M901
(SEE PAGE 4-12)
(SEE PAGE
4-13)
4-13)
(SEE PAGE 4-19)
(SEE PAGE 4-10)
(SEE PAGE 4-13)
4-7
4-8
SLV-7700KME/7700KML
4-5. DISPLAY CONTROL BLOCK DIAGRAM
4-9
4-10
SW-323 BOARD
EJECT
FF
REV
STOP
REC
REMOTE
CONTROL
RECEIVER
IC451
PAUSE
REC
S457
S456
S451
S452
S453
S454
S455
OPEN/
NEXT
PREV
STOP
PAUSE
VCD
S415
S409
S406
S410
S408
S413
MENU
S407
MENU
S411
VCD
PLAY
ON/
STANBY
S412
CLOSE
RETURN
S414
CN451
1
6
5
3
1
7
2
3
5
7
1
CN304
2
5
1
CN401
CN303
IO-65 BOARD
1
2
S405
S404
VCD
KARAOKE
(ON/OFF)
S402
KARAOKE
PON
OFF
VOCAL
ASSIST
KARAOKE
MODE
S250
INPUT SELECT
(VHS)
S403
6
7
8
9
10
D402
(RED)
D401,408
(GRN)
D5V
D407
D406
D405
D404
D403
Q401
(H : ON)
Q402
(L : ON)
ON/
STANBY
MENU
1
2
VCD
INPUT SELECT
(VHS)
KARAOKE
(ON/OFF)
10
7
11
6
5
4
3
2
KEY1
KEY2
STANBY/P ON
MENU
LINE1
LINE2
LINE3
TUNER
S255
S253
SELF
DUET
S252
SUR SW
KEY4
COLOR SW
KEY3
SIRCS
S256
SUR
OFF
MONO
EXPANDER
S260
DIGITAL
SOUND
EFFECTOR
PAL/AUTO
MESECAM
NTSC
COLOR
SYSTEM
S401
VHS
S258
S257
OUTPUT
SELECT
11
1
VA SW
PROGRAM
KARAOKE
ON/OFF
S251
HI-66 BOARD
VHS
TIMER
REC
KARAOKE
VCD
D5V
D5V
D278
D276
D275
D273
D299
D298
D290-297
Q296
Q9
13
Q8
12
Q7
11
Q6
10
Q5
9
Q1
5
Q0
4
Q2
6
Q3
7
Q4
8
IC321
LCD CONT.
Q297
CN290
CN601
1
1
D403
MIC CONT
BOARD
MJ-92
CONTROL
J603
Q11
15
Q10
14
2
DATA
3
CLK
D5V
RV292
VCD
ECHO
7
6
5
4
8
9
10
11
CN305
7
6
5
4
8
9
10
11
CN780
KEY4
LEVEL R
ECHO VOL
MIC CTL
KEY3
KEY1
KEY2
LEVEL L
4
2
5
1
12
14
15
11
3
13
10
9
A
B
IC701
CN780
16
15
12
13
TU-168 BOARD
16
15
12
13
CN305
INF AD
KEY AD
AN SW1
AN SW2
IC201
DISPLAY CONT.
KEY AD
16
14
CD RESET
18
MB-77 BOARD
TOFROM
KARAOKE.AUDIO I/O
BLOCK
CN605
INF AD
17
AN SW1
19
AN SW2
20
RMC
4
SRDT2
76
RST
34
X202
32kHz
RESET
IC202
P FAIL
7
80
5
8
6
EXTAL
31
XTAL
32
TU D5V
D5V
TX
74
TEX
73
X201
16MHz
35
CMD 0
39
SACK
36
CMD 1
37
CMD 2
38
CMD 3
2
QINT
40
MREQ
29
LOD IN
26
LOD OUT
41
OUT SW
9
IN SW
42
CD MUTE
15
SR O
13
SR CLK
28
KLAT
5
K REDY
27
P MUTE
8
SR DT1
79
OSD CS
3
SYNC DET
1
V SYNC
12
ASURA SO
11
ASURA SI
10
ASURA CLK
78
ASURA CS
77
ASURA RESET
6
PLL ENABLE
22
IIC DATA
7
SW1
23
SW2
8
CD-169 BOARD
TO/FROM
VIDEO CD
VIDEO CD
BLOCK(2/2)
CN301
CN302
CD RESET
CMD 0
SACK
CMD 1
CMD 2
CMD 3
QINT
MREQ
LOD IN
LOD OUT
OUT SW
IN SW
4
2
1
3
5
6
7
12
20
11
16
44
63
64
71
G0
G7
S0
S19
ND301
FLUORESCENT
INDICATOR TUBE
F+
F-
13
CN301
19
10
14
15
18
17
CD MUTE
SR O
SR CLK
KLAT
K REDY
P MUTE
SR DT1
13
19
10
14
15
18
17
CD MUTE
SR O
SR CLK
KLAT
K REDY
P MUTE
SR DT1
27
20
25
22
24
19
23
BOARD
CD-169
CN304
13
14
8
18
19
15
16
17
9
10
CN301
OSD CS
SYNC DET
V SYNC
ASURA SO
ASURA SI
ASURA CLK
ASURA CS
ASURA RESET
SR CLK
SR SO
MA-303 BOARD
TO/FROM
VIDEO BLOCK
CN901
MA-303 BOARD
TO/FROM
SYSTEM CONT.
BLOCK
CN901
MA-303 BOARD
TO/FROM
AUDIO BLOCK
CN901
12
11
LEVEL METER L
LEVEL METER R
21
IIC CLK
18
ATF IN
19
17
2
3
14
20
1
21
CN305
PLL DATA
PLL CLK
PLL ENABLE
IIC DATA
SW1
SW2
IIC CLK
ATF IN
VA SW
TU-168 BOARD
TO/FROM
TUNER BLOCK
CN780
16
(SEE PAGE 4-18)
(SEE PAGE 4-13)
(SEE PAGE 4-6)
(SEE PAGE 4-12)
(SEE PAGE 4-8)
(SEE PAGE 4-19)
IC201
#¡
REC/PB
0.8Vp-p (16MHz)
SLV-7700KME/7700KML
4-6. SERVO/SYSTEM CONTROL BLOCK DIAGRAM
4-11
4-12
MA-303 BOARD
CAPSTAN MOTOR
M902
HALL
DEVICE
U+
CAPSTAN
FG
U-
V+
V-
W+
W-
U
LIMITER
SW5V
V
W
VM
VCC
TL
4
3
2
7
6
5
7
6
5
4
3
8
CN271
SW5V
M12V
CVS
CAP RVS
CAP FG
IC251
CAP ERR
INTEG
D251
15
16
(2/2)
IC251
DRUM ERR
INTEG
13
14
(1/2)
M12V
3
CN101
1
CTL
HEAD
1
CN291
3
M
MOTOR
4
2
3
1
CAM
ENCODER
MECHA
POSITION
(
(
MODE1
MODE2
MODE3
MODE4
IC201
SERVO CONTROL
(1/2)
DRUM DA
74
DRUM PG
68
DRUM FG
69
STEP PLS
99
CAP STOP
35
CAP DA
73
CAP RVS
79
CAP FG
70
CTL REC
94
CTL INDEX
96
CAP TRQ3
8
PB CTL
67
CTL STEP
95
MOTOR DRIVE
IC291
VCC1
7
VCC2
8
CAM-
2
CAM+
10
6
LOAD
5
UNLOAD
PS13V
IC201
SYSTEM CONTROL
(2/2)
S REEL FG
63
PH262
T REEL
FG
LED
DRIVE
Q263
T REEL FG
64
SW5V
PH261
S REEL
FG
T/S LED
T SENS
62
S SENS
61
T/E LED
32
Q261
TAKE UP END
SENSOR
D261
D6V
Q262
SUPPLY END
SENSOR
REC PRF
15
REC
PROOF
S101
CAM UNLOAD
37
30
29
28
27
MODE1
MODE2
MODE3
MODE4
MODE1
MODE2
MODE3
MODE4
16
FOR
CHECK
S901
XTAL
42
EXTAL
43
X160
16MHz
S901
DRUM MOTOR
OUTPUT
HALL
DEVICE
M901
OUTPUT
MATRIX
M
VCC
5
4
3
2
PG
FG
1
2
3
4
CN275
M12V
D VS
D PG
D FG
18
20
19
IC101
CAP FG AMP
(1/2)
1
CN102
2
HE901
ACE HEAD
78
NT JUDGE
CTL HEAD
7
BIAS
9
AMP OUT
5
DC
4
CTL CHECK
CTL (X)
CTL (Y)
CTL
REC/PB AMP
IC101
(2/2)
REC CTL
7
11
INDEX
13
INH
10
RC
1
CTL
2
RTG MM
CAP TRQ2
33
CAP TRQ1
34
M903
CN291
CN281
CAM LOAD
38
CAM 12V
31
4
V
NTSC PB
VHS
VIDEO CD
TV
ON PAL
4.43
NTSC
3.58
NTSC
NTSC
PAL
IC251
REEL FG
AMP
18
MESECAM
2
QVD
84
APC PWM
60
APC ERROR
6
PA L60
20
PENTAL
9
NOICAN
19
SP/EP/LP
5
JOG
75
ORC SETTEI
93
NTSC 3.58
23
VCD/VHS 91
V PB
24
NTSC
92
SP
50
RF ENV
1
RF SWP
80
DATA
81
CLK
66
V SYNC
21
AMS
98
NA PB
58
SOUND LEVEL
57
MIC LEVEL
17
A MUTE
55
NT/PAL 24
AF ENV
100
AF SWP
48
REC
4
AF REC P
16
NA REC P
36
FULL ERS
56
HF ADJ
Q201
59
NT PB SW
MESECAM
NT JUDGE
QVD
SHARPNESS
PAL 60
PENTAL
NOICAN
SP/EP/LP
JOG
ORC SETTEI
NTSC 3.58
VCD/VHS
V PB
NTSC
SP
RF ENV
RF SWP
DATA
CLK
COMP SYNC
AF DATA
IC501
8
IC302
26
IC302
40
IC302
14
IC302
3
IC302
24
IC302
5
IC302
6
IC302
22
IC302
29
Q310
B
IC302
35
IC301
2
Q306
B
Q304
B
CN301
3
CN301
5
CN301 12
CN301 14
CN301 13
CN301 11
,Q311 B
,Q322 B
,Q315 B ,Q319 B
VCD/VHS
IC801
10
AF CLK
IC501
9
NT PB
CN801 23
AMS
Q804
C
NA PB
IC801
9
SOUND LEVEL IC812
7
MIC LEVEL
IC812
1
A MUTE
IC501
6
NT/PAL
AF ENAV
IC501
10
AF SWP
IC501
27
REC
CN501
5
AF REC P
CN501
4
NA REC P
Q806
B
FULL ERS
Q892
B
HF ADJ
CN891
2
Q522
B ,Q532 B
,CN501 6
TO/FROM
VIDEO
BLOCK
TO/FROM
AUDIO
BLOCK
5
CN701
NA PB
TU-168 BOARD
TO
TUNER BLOCK
CN703
46
S OUT
45
S IN
47
S CLK
44
ASURA CS
40
ASURA RESET
5
4
3
11
10
ASURA SO
CN901
ASURA SI
ASURA CLK
ASURA CS
ASURA RESET
HI-66 BOARD
TO/FROM
DISPLAY CONT.
CN301
CAM
CAM
(SEE PAGE 4-10)
(SEE PAGE 4-6)
(SEE PAGE 4-7)
(SEE PAGE 4-19)
IC201
1
REC/PB
IC201
7
REC
5Vp-p (V)
5Vp-p (V)
IC201
$™
REC/PB
IC201
^§
REC/PB
4.4Vp-p (16MHz)
4Vp-p (H)
IC201
^¶
PB
IC201
^•
REC/PB
5Vp-p (V)
5Vp-p (V)
IC201
^ª
REC/PB
IC201
&º
REC/PB
5Vp-p (300Hz)
4.4Vp-p (1.56kHz)
SLV-7700KME/7700KML
4-7. KARAOKE, AUDIO I/O BLOCK DIAGRAM
4-13
4-14
LINE-2
IN
L
13
BOARD
I0-65
CN704
SURR1
AUDIO
R
J401
VIDEO CD
DIRECT OUT
L
AUDIO
R
J602
7
5
L2 IN
R2 IN
CN402
3
5
TU-168 BOARD
12
2
13
1
14
15
10 11
IC706
7
5
TU A
V/A SW
IC703
3
5
CN705
CN604
7
5
LINE-1
IN
L
AUDIO
R
J601
IC519
7
5
1
3
IC507
1
3
7
5
REC L
12
14
15
13
1
5
2
3
10
9
IC520
IN A
IN B
IC521
1
3
7
5
REC R
CD-169 BOARD
TO/FROM
VIDEO CD
VIDEO CD
BLOCK(2/2)
CN304
17
19
15
4
9
CN605
ADATA
BCLK
LRCK
384FS
RESET
NP IN
Q590
MA-303 BOARD
TO/FROM
AUDIO BLOCK
CN801
9
2
5
6
3
8
IC500
LEVEL
SHIFT
D IN
2
BCK IN
3
LRC IN
1
XT1
5
MUTE
25
DM2
27
DM1
26
16
VOUT L
13
VOUTR
IC509
D/A CONV.
EMPH
3
7
IC511
LPF
3
7
IC512
LPF
IC501
KARAOKE DSP
SI
86
25
AO1P
26
AO1N
3
IC504
LPF
2
7
40
AO2P
39
AO2N
3
IC505
LPF
2
7
BCK
87
LRCK
88
BFOT
82
XRST
9
AIN1
29
AIN2
36
AIN3
22
RVDT
3
SCK
4
XLAT
5
REDY
6
IC503
1
3
7
5
10
5
8
11
7
CN605
SO
SR CLK
K LAT
P MUTE
SR DT1
14
23
CN602
NT PB
12
1
PB EE R
PB EE L
MIC
CD-169 BOARD
TO/FROM
DISPLAY CONT
BLOCK
CN304
6
K REDY
3
CD MUTE
1
2
IC502
5
4
CN601
BOARD
MJ-92
5
4
CN602
5
6
5
6
CN291
Q298
BUFF
IC601
7
5
Q299
BUFF
8
9
MIC
VOL2
RV291
MIC
VOL1
RV290
HI-66 BOARD
CN290
8
9
CN601
1
3
1
MIC IN
2
CN601
CN603
IC705
AV CONT.
S/P CONV.
8
Q4
CLK
3
DATA
2
Q1
5
Q3
7
Q2
6
1N B
IC751
4
1N A
IC751
2
1N B
1N A
EMPH
TO
VIDEO
BLOCK
7
6
IC502
MICDRYON
Q521
Q631
Q520
Q630
4
Q0
9
Q5
10
Q6
11
Q7
12
Q8
13
Q9
14
Q10
15
Q11
S.D
SURR2
B.B
A OUT C
A OUT B
A OUT AL
A OUT AR
MB-77 BOARD
IC518
1
3
7
5
L IN
22
R IN
1
SW1
8
SW2
9
B.B
7
SURR1
SURR2
B.B
IC506
SURROUND
PROCESSOR
12
L OUT
11
R OUT
IC518
1
3
7
5
IC510
VCD
MIX
MIX
Q600
2
13
14
5
15
12
1
3
11
10
9
EE L
VCD L
VCD R
KARA L
SURR L
SURR R
PB EE L
A OUT C
A OUT B
A OUT AL
IC515
2
13
14
5
15
12
1
3
11
10
9
EE R
VCD L
VCD R
KARA R
SURR L
SURR R
PB EE R
A OUT C
A OUT B
A OUT AR
IC516
Q664
MUTE
1
3
7
5
IC518
MUTE
SW
Q665
Q660
POWER
DET
Q690
Q663
MUTE
Q661
MUTE
Q662
MUTE
18
16
10
22
20
REC L
REC R
VCD M
LINE OUT L
LIN OUT R
CN602
MA-303 BOARD
TO
AUDIO BLOCK
CN801
LINE-2
OUT
L
BOARD
I0-65
AUDIO
R
J402
7
5
L2 OUT
R2 OUT
CN402
3
5
LINE-1
OUT
L
AUDIO
R
CN604
16
33
XTLI
32
XTLO
X502
33.87MHz
J601
J602
(SEE PAGE 4-18)
(SEE PAGE 4-8)
(SEE PAGE 4-10)
(SEE PAGE
4-5)
4-5)
(SEE PAGE 4-8)
IC501
#™
REC/PB
5.8Vp-p (33.87MHz)
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