Aiwa HV-FX970 Service Manual page 6

SCHEMATIC DIAGRAM-5
A MAIN(Hi-Fi SECTION)C.B
12VA 1A
2A
GND 3A
To
POWER
SECTION
1A 3A
P7M52
GND 1
IIC DATA 2
IIC CLOCK 3
4
12VA
5
AUDIO(L)
GND 6
AUDIO(R) 7
GND 8
AUDIO 9
TU AUDIO(L) 1E
2E
MOD.AUDIO 3E
4E
VIDEO
TU VIDEO 5E
To
TUNER/IF
SECTION
1E 5E
1G
AUDIO 2 2G
AUDIO 1 3G
MONO AUDIO 4G
VIDEO 2 5G
VIDEO 1 6G
To
AUDIO/
VIDEO
SECTION
1G 6G
IIC CLOCK 1J
IIC DATA 2J
R943 D903 D904
1.5K 1SS133 1SS133
Q906
A.MUTE "H" 3J
KTC3199
C956
0.1/50
IIC CLOCK 4J
IIC DATA 5J
To
SYSCON/
SERVO
SECTION
1J 5J
R981
180K
C906
10/16
Q902
KTC3199
R932
220K
R936
C905
1K
10/16
C941
R947
10/16
330
R948
330
C9A2
820P
C958
R950 100
R949 100
12.0
13 14 15 16 17 18 19 20 21
VCC
IC-BUS
IC901 CONT.
BH7635S
CLAMP
5V
REG
GND VCC
12 11 10 9 8 7 6 5 4
0 12.0
C946 C947
C948
10/16 10/16
10/16
C953
10/16
C909
68P
9
L941
100u
C952 C951
0.01 47/16
22 23 24
CLAMP
CLAMP CLAMP
GND
3 2 1
0
C950
C949
10/16
0.1
ONE VOLTAGE:PB OR REC MODE
*
TWO VOLTAGES:PB AND (REC) MODE
:PB VIDEO SIGNAL
:REC VIDEO SIGNAL
: VIDEO SIGNAL
:PB AUDIO SIGNAL
:REC AUDIO SIGNAL
R901
C909 R902 L903
ZD901 ZD903
68P 75 75 T/W
MTZ13A MTZ13A
ZD902 ZD904
MTZ13A MTZ13A
C901
1000P
L901
R903
100u
560
C903 1000P
R905
L904 100u
560
R904 L902
560
100u
C908
1000P
L906
R906
560 100u
C904
1000P
C998 C999
C919 R911 R912
L913
68P
75 75 T/W
C911
1000P
R913 L911
560 100u
L914
R915
100u
560
R914 L912
560 100u
R916 C918
560
1000P
C914 L916
C913
1000P 1000P 100u
R921 R922
Q909
820 1K
KRA103M
R
Q903
R
KRC103M
Q908
KRC103M R
10
JK901
SCART1
L905
BEAD
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
D902
1SS133
D901
1SS133
JK901
SCART2
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R933
12K
6J C+ DET "H"
R934
10K
7J 16:9 "H"
8J SCART "H"
To
SYSCON/
SERVO
SECTION
6J 8J