JVC KS-FX200 Service Manual page 21

QQ
3 7 63 1515 0
HD74HC126P(IC751) :CD CHANGER
1.Terminal layout
1
1C
1A 2
1Y 3
2C 4
2A 5
2Y 6
GND 7
TE
L 13942296513
UPC1228HA(IC901):Head amp
IN1
1
NFB1
2
OUT1
3
VCC
4
GND
5
OUT2
6
NFB2
7
IN2
8
UPC1228HA
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14 Vcc
13 4C
12 4A
11 4Y
10 3C
9 3A
8 3Y
ANP1
ANP2
x ao
y
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8
2.Pin function
Input
C A
L X
H L
H H
Note)
H : High level
L : Low level
X : "H" or "L"
Z : Off state of three state output(High impedance)
Q Q
3 6 7 1 3
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2 9 9 4 2 8
Output
Y
Z
L
H
1 5 0 5 8 2 9 9 4
m
co
KS-FX200
9 9
2 8 9 9
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