Sony SLV-7700KME, Service Manual

Page: 40 / 135

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
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
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)
(SEE PAGE
4-10)
(SEE PAGE 4-12)
(SEE PAGE
4-12)
(SEE PAGE
4-13)
(SEE PAGE 4-18)
IC501 4 REC
1V/div
1
µ
s/div
IC501 @¢ PB
0.1V/div
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
µ
s/div
IC501 @• REC
0.02V/div
0.1
µ
s/div
IC501 @¶ PB
0.5V/div
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
µ
s/div
IC302 $£ PB
0.5V/div
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)