JVC KD-LX330R Service Manual page 33

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NJM2904M (IC951) : Dual ope amp
1. Pin layout
A OUT 1
A -IN 2
A +IN 3
GND 4
RPM6938-SV4 (IC603) : Remote censor
1.Block diagram
I/V
conversion
PD
TE
L 13942296513
M5282FP-XE (IC321) : E. volume
1. Pin layout
1
2
3
4
5
3. Pin function
Pin
Symbol
No.
1 Vcc/2
2 Amp+IN
3 Amp-IN
4 Amp OUT
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5 GND
6 NC
7 VCA IN
.
8 Vc
9 VCA OUT
10 Vcc
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8 V+
7 B OUT
6 B -IN
5 B +IN
AMP
BPF
fo
trimming
circuit
magnetic shield
2. Block diagram
10
1
9
8
2
7
6
3
Function
Vcc/2 output for microphone amp.
Microphone amp. positive input terminal.
Microphone amp. negative input terminal.
Microphone amp. output terminal.
Ground.
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Non connection.
y
VCA input terminal.
i
VCA control terminal.
VCA output terminal.
Power supply.
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2 9
8
NJM4565MD (IC323,IC960) : Ope amp
1. Pin layout & Block diagram
A OUTPUT 1
A - INPUT 2
A + INPUT 3
V- 4
Vcc
AGC
Comp
Detector
Q Q
3 6 7 1 3 1 5
10
9
4 5 7 8
co
.
KD-LX330R/KD-LX110R
9 4 2 8
8 V+
7 B OUTPUT
A B
6 B - INPUT
5 B + INPUT
Vcc
22k
Rout
0 5 8 2 9 9 4 2 8
GND
m
9 9
9 9
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