Read Sony SLV-GA30 / SLV-GA40K / SLV-GA60 / SLV-GA77K / SLV-GF90K Service Manual online
SLV-GA30/GA40K/GA60/GA77K/GF90K
3-2. VIDEO BLOCK DIAGRAM
3-3
3-4
BOARD
JK-166
1
CNJ801
CN651
DRUM
VIDEO
HEAD
SP
CH1
SP
CH2
CN102
89
88
86
87
SP1
5
2
1
6
VIDEO
IN 1
V IN2
MA-336 BOARD
IC101
SP2
SP1
SP2
VCA
SW30
SW29
SP
SP
REC
MUTE
79
78
81
DRUM FF
Q102
BUFF
3
2
CN101
V SW P
PB RF
FOR
CHECK
VIDEO
REC/PB AMP
Y/C PROCESSOR
N.L.
DE EMPH
ENV
DET
HPF
REC
MUTE
97
SW28
84
SW27
SW20
HPF
P
R
SW19
SEP
COMP
ACC
LPF
CTL TRAP
fH HPF
SW18
P
R
TRAP
SW24
P
R
P
R
SW7
629
TRAP
FM
AGC
P EQ
MMS
DL
SW8
VIDEO
AGC
ATT
(-10dB)
ATT
(-10dB)
ATT
(-10dB)
1
CNJ651
VIDEO
IN 2
31
30
28
CN202
1/2
2FL
VCO
4 PHASE
GEN
MAIN
CONV.1
MAIN
CONV.2
SW21
R
P
C
LPF
C
LPF
R
P
R
P
SW23
SW22
MIX
LEVEL
C.K
B.E
DL
R
DL
P
R
P
SW25
SW26
VCA
CCD
LPF
B.D
CK
N
P
G EQ
DLIM
DEMO
SUB
LPF
1M
HPF
7M
LPF
LPF
FM
MODE
MAIN EMPH
CARRIER
OFFSET W.C/DC
MAIN
DE-EMPH
SW10
P
R
SW5
Y
LPF
SW13
P
R
SW11
R
P
D.E.
N.C.
N.L.
EMPH
FBC/
ALC
ALC
SW17
R
R
P
CLP
Y NR
SW14
DO
DO REC
CLP
58
60
23
35
46
24
LPF
C
CCD
26
39
Y
CCD
42
21
44
CLOCK
SYNC
SEP
50
PB
APC
CR DET
2fSC
X-TAL
VCO/OSC
PULSE
GEN.
REC
APC
REC
AFC
AFC
76
71
73
75
X101
4.43MHz
X102
3.58MHz
Q101
Q101
16
Q104
Q103
SHARPNESS
CONT
Q217-219
19
17
18
Q204
PAL
69
54
55
6dB
AMP
C
SQUELCH
6dB
AMP
CLEAR
SYNC
SQUELCH
VIDEO
ALC
52
51
63
62
SERIAL
CONT
64
KILL
Q215,216
BUFF
2fSC
AMP
Q205,214
43
BOARD
JK-166
3
CNJ801
VIDEO
OUT 1
OUT 1
V OUT2
3
CNJ652
VIDEO
OUT 2
OUT 2
CN651
CN202
53
52
OSD
45
IC201
(1/3)
Q801
BUFF
Q224,225
AUDIO
2
TV/VTR
4
VIDEO
1
RFU801
IN
OUT
16
RF SW P
IC201
24
TO/FROM
SYSCON
BLOCK
C SYNC
IC201
54
V ENV
IC201
13
MESECAM
IC201
80
QVD
IC201
27
TO/FROM
SYSCON
BLOCK
V DATA
IC201
100
V CLOCK
IC201
99
KILL
IC201
19
SHARP 1
IC201
20
SHARP 2
IC201
29
SHAPNESS
IC201
94
NTSC
IC201
18
RFU AUDIO
FROM
AUDIO
BLOCK
EXCEPT GA30/GA40K MODEL
GA77K MODEL
GA77K/GF90K MODEL
EXCEPT GA30/GA40K MODEL
CN101
3
REC/PB
CN101
2
PB
IC101
*§, *ª
REC
IC101
!•
REC/PB
IC101
@¡
REC/PB
IC101
#∞
REC/PB
IC101
#ª
REC/PB
IC101
$¢
REC/PB
IC101
$§
REC/PB
IC101
$™
REC/PB
5Vp-p
25Hz
0.1V/div 0.2
µ
sec/div
0.5V/div 0.1
µ
sec/div
REC:0.4Vp-p
PB:0.48Vp-p
REC:0.41Vp-p
PB:0.6Vp-p
REC:0.4Vp-p
PB:0.5Vp-p
REC:0.28Vp-p
PB:0.35Vp-p
REC:2.2Vp-p
PB:2.3Vp-p
REC:0.5Vp-p
PB:0.6Vp-p
REC:0.35Vp-p
PB:0.38Vp-p
REC:0.28Vp-p
PB:0.35Vp-p
0.4Vp-p
0.58Vp-p
H
H
H
H
H
H
0.45Vp-p
8.8671MHz
IC101
%º
REC/PB
IC101
%™
REC/PB
IC101
%∞
PB
IC101
%•
REC/PB
IC101
^º
REC/PB
IC101
^ª
REC/PB
IC101
&¡
REC/PB
IC101
&£
REC/PB
IC101
&∞
REC/PB
4.6Vp-p
H
H
H
H
H
8.667MHz
0.46Vp-p
0.1Vp-p
3.579545MHz
4.433619MHz
4.433619MHz
0.66Vp-p
0.54Vp-p
(SEE PAGE 4-5)
(SEE PAGE 4-26)
(SEE PAGE 4-26)
(SEE PAGE 3-8)
(SEE PAGE 3-5)
(SEE PAGE
3-5)
3-5)
IC201
$£$∞
REC/PB
2Vp-p
H
IC201
%£
REC/PB
2.6Vp-p
8.86716MHz
Click on the first or last page to see other SLV-GA30 / SLV-GA40K / SLV-GA60 / SLV-GA77K / SLV-GF90K service manuals if exist.