JVC KD-SX950 - Page 18

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IN 1
TAB
IN 2
ST BY
R.F
IN 3
N.C
PRE GND
IN 4
ON TIME
PWR GND4
OUT 4-
OUT 4+
PWR GND3
OUT 3-
OUT 3+
MUTE
PWR GND2
OUT 2-
OUT 2+
PWR GND1
OUT 1-
OUT 1+
VCC3/4
VCC1/2
LA4743B (IC351) :Power amp
Muting &
on time control
circuit
Protective
circuit
Mute
circuit
Ripple
filter
Stand by
switch
Protective
circuit
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TAB GND1 OUTFR+ STBY OUTFR- VCC1/2 OUTRR+ GND2 OUTRR- VREF INRR INFR SGND INFR
INRL ONTIME OUTRL+ GND3 OUTRL- VCC3/4 OUTFL+ MUTE OUTFL- GND4 NC
1.Terminal layout
2.Block diagram
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