Sony SLV-GA30, Service Manual, Page: 22 / 120

SLV-GA30/GA50/GA66/GA70K/GA77K/GF80/GF90K/GF99K/P66/PH99
3-5. KARAOKE BLOCK DIAGRAM
3-9 3-10
1
MCJ501
MIC IN
IC501
12 9
2
MCJ502
IC501
3 6
1
3
CN501
1
3
MIC2
MIC1
CN502
MIC 1
RV502
MIC 2
RV503
2
CN502
MJ-91 BOARD
MIC MIX
2
CN501
IC501
7 8
2
CN502
PON
ON
OFF
JS511 JS510
D501
D502
D503
KARAOKE
S501
ECHO
RV501
GA40K/GA70K
MODEL
GA40K/GA70K/GA77K
GF90K/GF99K MODEL
GA70K/GA77K
GF90K/GF99K
MODEL
FR-142 BOARD
10
9
CN601
2
6
7
CN209
CN201
MIC OUT
KARAOKE PON
KR SW/ECHO VR
VR
VOCUL
CUT
MA-336 BOARD
IC502
KARAOKE PROCESS
31
26
11
6
ALC
VR
COMPRESS
EXPAND LPF
VR
SW
OUTPUT SW
4 5
15
20
16
19
17
18
1
2
4
2
10
10
X501
455kHz
IC503
SRAM
Q502
LINE OUT R CNJ801 R
MIC RFU RFU801 2
LINE OUT L CNJ801 L
Q206
BUFF
LINE IN L CN702 1
LED POWER IC201 67
LINE IN R CN702 2
TO/FROM
AUDIO
BLOCK
FROM
SYSCON
BLOCK
7
CN702
GA40K/GA70K/GA77K
GF90K/GF99K MODEL
7
CN701
SR-35 BOARD
IC701
VOCAL CANSEL
JS702
9
6
15
R
L-R
L
L+R
SW1
LOGIC
SW2
9
10
13
3
JS701
GA66 MODEL ONLY
GA77K/GF99K MODEL
ATT ATT
Q701
ATT ATT
Q702
Q713
22 12
11 1
8
9
L CH
R CH
SW
CONT
IC702
SS/SURROUND-A
ATT ATT
Q705
ATT ATT
Q704
PROCESS
VIRTUAL
AUDIO
QXPANDER
21
1
12
13
20
IC703
SURROUND-B
1
MA-336 BOARD
TO
AUDIO
BLOCK
CN702
SR L OUT
SR R OUT
2
CN701
MA-336 BOARD
FROM
AUDIO
BLOCK
CN702
SR-C 1
AUDIO PON
SR L IN
SR R IN
MA-336 BOARD
FROM
SYSCON
BLOCK
CN702
6
5
4
SR-C 2
SR-C 3
GA66/GA77K/GF99K
MODEL
16
(SEE PAGE 4-25)
(SEE PAGE 4-21)
(SEE PAGE 4-11)
(SEE PAGE 4-17)
(SEE PAGE
3-8)
(SEE PAGE 3-5, 6)
(SEE PAGE 3-8)
(SEE PAGE 3-8)
(SEE PAGE 3-6)
KR SW/
ECHO VR Q250 B
GF90K/GF99K