KAC-5203
2
BLOCK DIAGRAM
INPUT SENSE
ISOLATION
AMPLIFIER
IC1,2 VR1
SHOCK NOISE MUTE
Q610-614
DC DETECT &
OVER CURRENT PROTECTION
Q606-609,617-621
(+6dB)
IC3
LPF
80Hz 12dB/OCT
INPUT SENSE
AMPLIFIER
ISOLATION
IC1,2 VR1
LINE IN
Lch
LINE IN
Rch
IN
SPEAKER
IC3
Q615,616
MUTE
Q217,219
AMPLIFIER
POWER
Q218,220
J1
J2
J3
Rch
SPEAKER OUT
SPEAKER OUT
Lch
DC-DC CONVERTER
L1
15V AVR
D8,9
THERMAL PROTECTION
TH1
Q602
Q3
OVER VOLTAGE PROTECTION
P. CON CIRCUIT
P. CON
BATT.
POWER
AMPLIFIER
+11dB
0dB
27dB
