Sony SLV-7700KML Service Manual ▷ View online
3-2E
3-3.
CD-169 AND BD-21 BOARDS
*
When measuring the B side of CD-169 board
(When the Video-CD mechanism board is normal and the CD-169 board is measured singly.)
3-4.
MB-77 BOARD
1
Replace the flat cable between CD-169 board CN304
and MB-77 board CN605 with the flat cable between
CD-169 board CN303 and BD-21 board CN101.
(CD-169 board CN303 and BD-21 board CN101
are left open.)
and MB-77 board CN605 with the flat cable between
CD-169 board CN303 and BD-21 board CN101.
(CD-169 board CN303 and BD-21 board CN101
are left open.)
BD-21 board
CD-169 board
Stand the Video-CD mechanism deck in a vertical
position on the VHS mechanism deck.
position on the VHS mechanism deck.
insulator
CN304
CN303
CN605
CD-169 board
CD-169 board
MB-77 board
insulator
Stand the Video-CD mechanism
deck in a vertical position on the
VHS mechanism deck.
deck in a vertical position on the
VHS mechanism deck.
SLV-7700KME/7700KML
SECTION 4
BLOCK DIAGRAMS
4-1. OVERALL BLOCK DIAGRAM (1/2)
SURR L/R
LINE-2
OUT
VIDEO
OPTICAL
PICK-UP
RF
AMP
IC103
F/T
COIL
DRIVE
SP/SL
SP/SL
MOTOR
DRIVE
IC102
BD-21 BOARD
DIGITAL
SERVO/
DIGITAL
SIGNAL
PROC.
IC101
ADATA
BCLK
LRCK
IC305
MPEG
DIGITAL
VIDEO
ENCODER
IC310
ADATA,BCLK,LRCK
DRAM
IC306
SRAM
IC302
MECHA
CONT
IC301
LOADING
MOTOR
DRIVE
IC311
VCD V
M
LOADING
MOTOR
S151
LOAD OUT
M151
S152
LOAD IN
BD-21 BOARD
CDM-14 BOARD
LOD IN/OUT
OUT SW
IN SW
VIDEO CD
DIRECT OUT
VIDEO
J502
IC601
BOARD
IO-65
IC704
VIDEO
SW
LINE-2
IN
VIDEO
LINE-2
TU-168 BOARD
V2 IN
IC703
AUDIO
SW
LINE-2
IN
AUDIO
LINE-2
J401
L/R2 IN
J402
LINE-2
OUT
VIDEO
V2 OUT
L/R2 OUT
MIC IN
1/2
BOARD
MJ-92
BOARD
HI-66
MIC VOL
LINE-1
IN
VIDEO
J601
VIDEO CD
DIRECT OUT
AUDIO
J601
LINE-1
IN
VIDEO
CD-169 BOARD
MB-77 BOARD
IC751
IC520
LINE-1
IN
AUDIO
IC519
IC507
IC500
D/A
CONV.
KARAOKE
DSP
IC509
IC501
IC512
IC511
IC505
IC504
LPF
IC502
J602
LINE-1
OUT
AUDIO
SURR.
PROC.
PROC.
IC506
IC503
IC518
IC510
AV CONT
S/P CONV.
IC705
CONT.
SIG
SR DT1
SR CLK
SO,SR CLK
IC521
PB L/R
KARA L/R
VCD L/R
EE L/R
IC517
IC516
IC515
REC V
VCD V
OSD V
IIC DA
TA
TU701
IN
OUT
MOD A
IIC CLK
PLL DA
TA
PLL CLK
PLL ENB
TU-168 BOARD
OSD
IC301
IC401
SR SO,SR CLK,V SYNC
MA-303 BOARD
MOD V
MOD V
Y/C
VIDEO
PROC.
PROC.
IC302
VIDEO IN
VIDEO OUT
CCD
DELAY
IC303
SECAM
DET
IC304
REC RF
PB C
PB RF Y
AUDIO
PROC.
PROC.
IC501
REC
L/R
LINE OUT
L/R
PB EE
L/R
DATA
CLK
SEL
AMS
IC813
IC801
FM REC
FM PB
AF DATA
AF CLK
BIAS
ERASE
OSC
FULL
ERASE
OSC
VIDEO
REC/PB
AMP
IC501
AUDIO
REC/PB
AMP
IC760
RP-233 BOARD
SP CH1
SP CH2
EP CH1
EP CH2
AU CH1
AU CH2
M901 DRUM HEAD
AU CH1
SP CH1
AU CH2
SP CH2
EP CH2
EP CH1
FULL
ERASE
HEAD
AUDIO
ERASE
ERASE
HEAD
AUDIO
REC/PB
HEAD
FULL
FE901
ACE HEAD
HE901
AF DATA,
AF CLK
AF CLK
AMS
IIC DATA,IIC CLK,
PLL DATA,PLL CLK,PLL ENB
PLL DATA,PLL CLK,PLL ENB
SR DT1,SR SO,
SR CLK,V SYNC
SR CLK,V SYNC
16
LOAD IN/OUT,
OUT SW,IN SW
OUT SW,IN SW
(SEE PAGE
4-3)
4-3)
4-1
4-2
SLV-7700KME/7700KML
4-2. OVERALL BLOCK DIAGRAM (2/2)
PS-418 BOARD
ASURA CS
DRIVE
LED
Q263
PH261
T SENS
Q261
(T/S LED)
D261
T REEL FG
S REEL FG
T SENS
S SENS
T/S LED
PROOF
REC
S251
PB SW
NTSC
S901
DRUM
ERROR
INTG
DRUM MOTOR
IC251
DRUM
PG/FG
PG/FG
MA-303 BOARD
IC201
SERVO/SYSTEM
CONTOROL
M
M901
DRUM
MOTOR
DRUM
MOTOR
DRIVE
(1/3)
CAPSTAN
ERROR
INTG
CAPSTAN MOTOR
IC251
CAPSTAN
FG
M
M902
CAPSTAN
MOTOR
CAPSTAN
MOTOR
DRIVE
(2/3)
CAPSTAN
FG AMP
IC101
(1/2)
DRUM DA
DRUM PG/FG
CAP DA
CAP FG
CTL
RFC/PB
HEAD
IC101
(2/2)
CTL
HEAD
CTL
T REEL
FG
S REEL
FG
PH262
T REEL
FG AMP
S REEL
FG AMP
IC251
(3/3)
ACE
HEAD
S SENS
Q262
NT PB
REC PRF
CAM
ENCODER
M
M903
CAM
MOTOR
CAM,LOAD
MOTOR
DRIVE
IC291
AMS
AF DATA
AF CLK
AF CLK
CAM 12V
CAM LOAD
CAM UNLOAD
MODE1-4
SERVO
SYSTEM
VIDEO
AUDIO
AUDIO
KARAOKE
CONTROL
SIGNAL
IIC DATA
IIC CLK
PLL DATA
PLL CLK
SR DT1
SR SO
SR CLK
LOAD IN/OUT
OUT SW
IN SW
OUT SW
IN SW
V SYNC
PLL CLK
SERIAL DATA BUS (SI,SO SCLK)
ASURA CS
ASURA RESET
ASURA RESET
IC301
DISPLAY
CONTOROL
HI-66 BOARD
BOARD
MJ-92
CONTROL
J603
ND301
FLUORESCENT
INDICATOR TUBE
REMCON
RECEIVER
FUNCTION
SWITCH
IC451
SW-323 BOARD
KEY
SELECT
IC701
FUNCTION
SWITCH
IO-65 BOARD
TU-168 BOARD
LED
DRIVER
IC321
KEY AD
INF AD
RMC
RESET
IC202
16
AF DATA,
AF CLK
AF CLK
AMS
IIC DATA,IIC CLK,
PLL DATA,PLL CLK,PLL ENB
PLL DATA,PLL CLK,PLL ENB
SR DT1,SR SO,
SR CLK,V SYNC
SR CLK,V SYNC
LOAD IN/OUT,
OUT SW,IN SW
OUT SW,IN SW
IC141
SW 12V
REG
MTR 12V
REG
Q135,136
CP181
PS 13V
SW 12V
MTR 12V
-30V
+F
-F
D 6V
SW 5V
REG
Q161
SW 5V
MTR 10V
REG
Q171,173
MTR 10V
-13V
REG
REG
Q191
SW -13V
AU -13V
POWER
BLOCK
CP101
T REEL FG
POWER CONT
(SEE PAGE
4-2)
4-2)
4-3
4-4
SLV-7700KME/7700KML
4-3. VIDEO BLOCK DIAGRAM
4-5
4-6
RP-233 BOARD
DRUM
VIDEO
HEAD
M901
SP
CH1
SP
CH2
EP
CH1
EP
CH2
CN501
ENV
DET
3
2
5
6
13
14
11
10
17
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
19
20
18
21
22
28
VCA
RF SWP
DATA
CLOCK
C SYNC
C ROT
PB RF
REC RF
Q501
BUFF
4
3
CN503
3
CN502
FOR
CHECK
PB RF
RF SWP
REC CURR
10
7
6
9
8
13
12
2
11
2
IC501
VIDEO REC/PB AMP
IC302
Y/C PROCESSOR
LINE-2
IN
BOARD
IO-65
V2 IN
CN704
IC704
VIDEO SW
VIDEO
J401
CN402
3
1
1
3
5
7
2
V/A SW
TU V
TU-168 BOARD
1
CN705
Q751
BUFF
LINE-1
IN
VIDEO
J601
3
CN604
Q752
Q753
IC751
VIDEO SEL
1
3
5
2
4
7
IN A
IC705
7
IN B
IC705
6
BLOCK
FROM
KARAOKE.
AUDIO I/O
4
6
CN602
MB-77 BOARD
VIDEO CD
DIRECT OUT
VIDEO
LINE-2
OUT
BOARD
IO-65
V2 OUT
VIDEO
J402
CN402
1
Q754
Q755
LINE-2
IN
VIDEO
J502
1
CN604
Q756
BUFFER
CD-169 BOARD
FROM
VIDEO CD
BLOCK(2/2)
8
23
CN605
VCD V
CN304
CN801
27
18
16
REC V
VCD V
OSD OUT
Q504
30
1
5V
Q503
EQ
AMP
Q502
BUFF
Q904
27
VCA
Q905
BUFF
Q901
DFS
Q902
Q906
Q931
5V
24
5
12
14
13
11
10
8
6
PB RF Y
NTSC
SP
RF ENV
RF SWP
DATA
CLK
COMP SYNC
C ROT
PB C
REC RF
4
3
2
5
12
14
13
11
10
8
6
CN301
PB RF Y
NTSC
RF ENV
RF SWP
DATA
CLK
COMP SYNC
C ROT
PB C
REC RF
SP
VHS MAIN
DE EMPH
Y/C
MIX
Q301
Q309
BUFF
Q303
TRAP
TRAP
PB C
BUFF
Q307
BUFF
BUFF
BUFF
BUFF
Q314
BUFF
Q302
LPF
ATT
SW
SW
Q313,315
Q308
Q319
Q306
Q322
5V
D304
Q316
BUFF
Q312
BUFF
C
TRAP
Q311
Q310
D306
Q304
Q317
VIDEO IN
7
JOG
29
37
3.58NTSC
35
23
25
47
DE EMPH
46
REC Y RF
44
1
PBC
38
C ROT
12
COMP SYNC
9
48
PB Y RF
43
NTSC
18
Q320,321
BUFF
21
PB C
3
1
2
7
IC301
Q405
BUFF
VIDEO OUT
11
9
SIN
CV IN
18
IC401
OSD
SYNC IN
20
VCO IN
27
VCO OUT
28
16
CV OUT
10
SCLK
8
CS
29
SYNC DET
7
V SYNC
3
XTAL OUT
2
XTAL IN
Q404
BUFF
X401
17MHz
CT401
VCO
22
SP
32
30
X301
4.43MHz
6
NOICAN
5
YNR CTL
24
PAL60
3
SHARPNESS
14
QVD
40
NT JUDGE
26
MESECAM
13
D308
D307
18
5
8
1
PAL/
SECAM
DISCRI
DISCRI
28
27
X302
3.58MHz
34
IC304
IC303
4
9
2
19
17
23
6
23
1H/2H
DELAY
1H
DELAY
12
15
7
1
7
6
12
2
1
MOD V
SR SO
SYNC DET
V SYNC
OSD CS
SR CLK
HI-66 BOARD
TO/FROM
DISPLAY
CONT BLOCK
CN301
TU-168 BOARD
TO
TUNER BLOCK
CN703
CN701
CN901
MECECAM
IC201
18
NT JUDGE
IC201
78
QVD
IC201
2
SHAPNESS
Q201
E
PAL60
IC201
6
PENTAL
IC201
20
NOICAN
IC201
9
SP/EP/LP
IC201
19
FROM
SYSTEM
CONTROL
JOG
IC201
5
ORC SETTEI IC201
75
NTSC 3.58
IC201
93
V PB
IC201
23
VCD/VHS
IC201
91
NTSC
IC201
24
SP
IC201 92
TO/FROM
SYSTEM
CONTROL
RF ENV
IC201 50
RF SWP
IC201 1
DATA
IC201 80
CLK
IC201 81
COMP SYNC
IC201 66
16
MA-303 BOARD
(SEE PAGE
4-19)
4-19)
(SEE PAGE
4-10)
4-10)
(SEE PAGE 4-12)
(SEE PAGE
4-12)
4-12)
(SEE PAGE
4-13)
4-13)
(SEE PAGE 4-18)
IC501
4
REC
1V/div
1
1
µ
s/div
IC501
@¢
PB
0.1V/div
20
20
µ
s/div
IC501
!¶
REC/PB
5.0Vp-p (V)
IC501
@§
REC/PB
5.0Vp-p (V)
IC501
!•
REC/PB
2.4Vp-p (H)
IC501
@™
PB
0.5V/div
20
20
µ
s/div
IC501
@•
REC
0.02V/div
0.1
µ
s/div
IC501
@¶
PB
0.5V/div
20
20
µ
s/div
IC302
7
REC
IC302
9
REC/PB
IC302
!¡
PB
IC302
!™
REC/PB
IC302
@¶
REC/PB
IC302
#™
REC/PB
0.6Vp-p (4.43MHz)
1.1Vp-p (H)
5.0Vp-p (H)
IC302
#•
REC
0.4Vp-p (H)
2.3Vp-p (H)
IC302
#•
PB
0.5V/div
20
20
µ
s/div
IC302
$£
PB
0.5V/div
20
20
µ
s/div
4.0Vp-p (V)
0.5Vp-p (3.58MHz)
IC401
2
REC/PB
2.8Vp-p (17.7MHz)
IC401
7
REC/PB
IC401
!§!•
REC/PB
5.0Vp-p (V)
2.0Vp-p (H)
IC401
@º
REC/PB
1.8Vp-p (H)
IC751
7
REC/PB
1.0Vp-p (H)
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