1-24
KD-LH1000
LA6579H (IC681) : CD driver
1. Pin layout & Block diagram
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
13
14
GND
GND
VIN1
VIN1-B
VIN1+B
S-GND
VIN1-SW
MUTE
VREFIN
VCCS
3.3VREG
REGIN
VIN2G
VIN2
VIN3G
VIN3
GND
VIN1-A
VIN1+A
VCCP1
VO1+
VO1-
VO2+
VO2-
VO3+
VO3-
VIN4
VIN4G
GND
+
-
+
-
+
-
[H]
[L]
VIN1_SW
[H]: OP-AMP_A
[L]: OP-AMP_B
33k
11k
Signal system
power supply
All outputs ON/OFF
H : ON
L : OFF
MUTE
Le
vel shift
Le
vel shift
Power system GND
Signal system
power supply
3.3VREG
(External:PTP Tr)
+
-
Power system
GND
Le
vel shift
Le
vel shift
+
-
33k
11k
+
-
+
-
+
-
11k
33k
33k
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9
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8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
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3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299