Block Diagram - Kenwood KAC-5203 Service Manual

KAC-5203
IC1,2 VR1
J1 ISOLATION
LINE IN
AMPLIFIER
Lch
INPUT SENSE
IC1,2 VR1
ISOLATION
LINE IN AMPLIFIER
Rch
INPUT SENSE
J2
SPEAKER
IN
D8,9
15V AVR
TH1
THERMAL PROTECTION
+11dB
2

BLOCK DIAGRAM

IC3
LPF
80Hz 12dB/OCT
(+6dB)
Q610-614
SHOCK NOISE MUTE
L1
DC-DC CONVERTER
Q3
P. CON CIRCUIT
Q602
OVER VOLTAGE PROTECTION
0dB
Q615,616
Q217,219
POWER
AMPLIFIER
MUTE
Q218,220
IC3
POWER
AMPLIFIER
Q606-609,617-621
DC DETECT &
OVER CURRENT PROTECTION
J3
SPEAKER OUT
Lch
SPEAKER OUT
Rch
P. CON
BATT.
27dB