JVC KD-LX330R Service Manual page 14

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
magnetic
M5282FP-XE (IC321) : E. volume
1. Pin layout
1 10
2 9
3 8
4 7
5 6
3. Pin function
Pin
Symbol
No.
1 Vcc/2 Vcc/2 output for microphone amp.
2 Amp+IN Microphone amp. positive input terminal.
3 Amp-IN Microphone amp. negative input terminal.
4 Amp OUT Microphone amp. output terminal.
5 GND Ground.
6 NC Non connection.
7 VCA IN VCA input terminal.
8 Vc VCA control terminal.
9 VCA OUT VCA output terminal.
10 Vcc Power supply.
8 V+
7 B OUT
6 B -IN
5 B +IN
AGC
AMP
BPF
fo
trimming
circuit
shield
2. Block diagram
1
2
3
4
Function
NJM4565MD (IC323,IC960) : Ope amp
1. Pin layout & Block diagram
A OUTPUT 1
A - INPUT 2
A + INPUT 3
V- 4
Vcc
Comp
Detector
10
9
5 7 8
KD-LX330R/KD-LX110R
8 V+
7 B OUTPUT
A B
6 B - INPUT
5 B + INPUT
Vcc
22k
Rout
GND
1-33