Audio/Video Section - Aiwa HV-FX970 Service Manual

BLOCK DIAGRAM-6 (SYSTEM CONTROL SECTION)
Q Q
3 7 6 3 1 5 1 5 0
IC502
L/D MOTOR
1 2 4 5
3
C529
MS501
GND 1
MODE S1 2
MODE SW 3
MODE S2
MODE S3 4
MODE S4 5
5V
T E
L 1 3 9 4 2 2 9 6 5 1 3
ES501
T-UP END
Q515
RS502
SUP.REEL
Q514
RS501
T-UP REEL
CH-UP CH-DOWN
PLAY OPTB
w w w
FROM/TO DECK
KA3082
8 9
6 7 10
12V
31 32 61 78 25 26 38 39 40 80 81
C528
R526
19 LD(-)
LD(+)
20
R525
MODE SW1
77
MODE SW2
76
75 MODE SW3
74 MODE SW4
OSC1
72
X501
OSC
73 OSC2
10MHZ
X502 70 X-TAL1
OSC
32.768KHZ X-TAL2
69
ES502
END
END SENSOR
3
VR501
PG ADJ
10
PG ADJ
1 T-UP SENSOR
5 SUPPLY REEL
T-UP REEL
4
4fsc out
52
X503 OSC
4fsc in
53
L506
DOSC OUT
R518 51
OSC
C518 DOSC IN
50
C519
82 57
RC5F1
REMOTE
V OUT
GND VCC
1 2 3 SENSOR
5.3VA
CS501
CST&REC SW
REC REW PLAY
FF STOP P/STILL
x a o
y
. i
17
http://www.xiaoyu163.com
FROM/TO
SCART SECTION
FROM/TO
AUDIO/VIDEOSECTION
62 90 91 90
IIC DATA 91
V.ENV 12
24
V. H/SW
SCART "H"
58
C.SYNC(NOR) 54
CPWR CTL "H" 60
REC 'H' 79
27
DV.SYNC
SECAM DET "H" 6
TIMER "H" 66
28
C.ROTARY
H AMP SW 29
30
COMP. IN
IC501
CVin 43
CVout 45
HD3977
Q Q
STAND-BY 'H' 88
3 7 6
AFT 9
C.SYNC(INV) 87
IIC DATA 81
IIC CLK 90
IIC DATA 91
IIC CLK 90
S7/ FLD ENV 94
S6/ FLD DATA OUT
97
S5/ FLD DATA IN 96
S4/ FLD CLK 95
RESE 16
PWR FA 89
3
13 14 68 2 49 33 71 15 42 41 22 2
u 1 6 3
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2 4
8 9 9
TO POWER
SECTION
33 32 31
FROM/TO
34
35
TU/IF SECTION
36
37
38
1 2 3 4
39
40
IC503
41
AT24C16
42
43
44
EEPROM
3 1 5 1 5 0 8 9
5 6 7 8 1 2 3 4
IC504
1
Q503
Q501
L505
L507
L502
m
c o
.
18
2
8 9 9
30 29 28 27 26 25 24 23
22
21
20
19
IC5F1
18
17
MN12510F
16
15
14
13
12
2 4 9 8 2 9 9
5 6 7 8 9 10 11
IC505
3 2 1
5V
FROM
POWER
5VT
SECTION
5.3VA