1-27
KS-FX772R
2.Terminal layout
3.Pin function
LA4743K
GND
GND
RROUT-
STANDBY
RROUT+
VCC
FROUT-
GND
FROUT+
RIPPLE
FRIN
RRIN
SGND
RLIN
FLIN
ONTIME
FLOUT+
GND
FLOUT-
VCC
RLOUT+
MUTE
RLOUT-
GND
NC
1
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9
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14
15
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23
24
25
Symbol
Pin No.
Function
Header of IC
Power GND
Outpur(-) for front Rch
Stand by input
Output (+) for front Rch
Power input
Output (-) for rear Rch
Power GND
Output (+) for rear Rch
Ripple filter
Rear Rch input
Front Rch input
Signal GND
Rear Lch input
Front Lch input
Power on time control
Output (+) for rear Lch
Power GND
Output (-) for rear Lch
Power input
Output (+) for front Lch
Muting control input
Output (-) for front Lch
Power GND
No connection
