Ic Block Diagram - Aiwa XD-DW1 Service Manual

IC BLOCK DIAGRAM

QQ
IC, BA5954FP
3 7 63 1515 0
28 27
STAND
-BY
THERMAL
SHUT DOWN
20k
7.5k
10k
1 2
IC, NJM4580E
TE
L 13942296513
1
A OUT
2
A –IN
A
A +IN 3
V– 4
IC, NJM2233BM-T1
1
2
3
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NC 4
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26 25 24 23 22
10k
PreGND
7.5k
20k
X2
7.5k
DET.AMP.
DET.AMP.
7.5k
X2
3 4 5 6 7
8 V+
7 B OUT
B
6 B –IN
B +IN
5
GND
5
6
VCC
7
BIAS
8 NC
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y
i
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8
21 20 19
PV 2 PGND
CC
10k 15k
10k 25k
V PV 1 PGND
CC CC
8 9 10
IC, MM1226XF
GND
Q Q
8
3 6 7 1 3
1
IN1
IC, TC74HCU04F
VCC
14 13
u163
1 2
.
72
2 9 9 4 2 8
18 17 16 15
LOADING ACTUATOR
DRIVER DRIVER
PV 1
CC
PV 2
CC
V
CC
SLED ACTUATOR
DRIVER DRIVER
11 12 13 14
OUT VCC NC
7 6 5
1 5 0 5 8 2 9 9 4
75Ω 6dB
DRIVER AMP
L
CLAMP
H
BIAS
CLAMP
2 3 4
SW1 IN2 NC
12 11 10 9
m
co
3 4 5 6
9 9
2 8 9 9
8
7
GND