XR-P740M, XR-P64()M, XR-P340M
xR-P7 44, XR-P640, XR-P34()
a Pin
Function
of Power Amo Module
Connector No. Name UO Description
cN7l01
+ 12V.
Mo+ 12V separate system stabilized output
2UNREG 12 Unstabilized
power input for - 12V
3AC IAC detecrion input: for power
ON/OFF and MUTE.
4tzv o Stabilized
power output for - 12V
5MUTE vo Mute external input; outputs intemal mut€ conditions; cancels forced mute.
6REF, GND IGND Ior protective
circuit; reference GND for short detection
7BLOW IBLOW circuit extemal output; ON at :t0.5V or mo!e.
8REG. GND IReference GND for stabilized
power source
9UNREG
+5 IUnstabilized
power
input for +5.6V
10 UNREG
+ 12 IUnstabilized
power
input for +12V and
+12V.
M
11 +5.6V o+5.6V stabilized output
T2 +t2v o+ 12V stabilized output
cN7l02
1CIN ICenter signal input
2S. GND ISignal input GND; floating interior type
3srN ISurround signal input
4OVERLOAD IShort detection input for Surround and Center channels
5+82 IPower supply
(+) for Surround and Center channels
682 IPower supply
(-) for Surrcund and Center channels
7C OUT oCenter speaker output
8S OUT oSurround speaker output
cN7502
IREF. GND IReference
GND lor short detection
2L OUT oLeft speaker
output
3R OUT oRight speaker output
4FAN IForced fan circuit input (LOW speed)
5+81 IPower supply
(*) for L/R channels
6B1 Power supply ( ) for L/R channels
7SHORT Short detection
input for I-./R channels
8LIN Left signal input
9F. GND Signal input GND; floating interior type
10 RIN Right signal
input