Ao Y U163; Http://Www.xiaoyu163.Com - JVC KD-LX300 Service Manual

KD-LX300/KD-LX100
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BA3220FV-X (IC301,IC401) : Driver
1. Pin layout & Block diagram
CL-
14
1
CL+
2. Pin function
Pin
Symbol
TE
No. L 13942296513
1 CL+
2 Vcc
3 INL
4 NFL
5 FIL
6 NFR
7 INR
8 CR+
9 CR-
10 RGND
11 OUTR
12 OUTL
13 LGND
14 CL-
000874360-T (IC702) : System reset
1. Pin layout
1 3
www
2
1-26

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LGND OUTL
13 12
REFL
2 3
Vcc INL
Function
Powe supply terminal for amp.
power supply terminal.
input terminal.
Negative feedback terminal.
Filter terminal.
Negative feedback terminal.
Input terminal
Power supply terminal for amp.
Output terminal of internal amp.
Rch GND terminal.
Rch output terminal.
Lch output terminal.
Lch GND terminal.
Output terminal of internal amp.
2. Block diagram
x ao
y
. i
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8
OUTR RGND
11 10
REFR
FILTER
4 5
NFL FIL
Q Q
3 6 7 1 3
u163
OP1
.
2 9 9 4 2 8
CR - CR +
9 8
6 7
NFR INR
1 5 0 5 8 2 9 9 4
1 Vcc
m
3 Vout
co
2 GND
9 9
2 8 9 9