Ic Explanation - Mitsubishi RX-1MX8-T Service Manual

IC EXPLANATION

IC8B1 LA4742
16
Muting &
ON Time Control
Circuit
24 23
IC301 LC75411UES
35
L4
36
L3
L2 37
L1 38
VDD 39
Vref 40
R1 41
R2 42
R3 43
R4 44
14 13 1 15 10
Ripple
Filter
Protective
circuit circuit
21 18 19 17
34 33 32 31
LVref
LVref
RVref
RVref
1 2 3 4
4 12
Stand by
Switch
Mute Aux
circuit
22 2 3
29
30 28 27 26
Multiplexer
ZERO CROSSDET
CONTROL
LOGIC CIRCUIT
CIRCUIT
Multiplexer
ZERO CROSSDET
5 6 7 8 9
9
25 11
Clip
Detect
Circuit
6
20
Protective
circuit
5 8 7 9
25 24
CCB
INTERFACE
NO SIGNAL
TIMMER
10 11
Vcc1/2
Vcc3/4
23 LFIN
22 LFOUT
21 LROUT
20 VSS
19 CL
18 DI
17 CE
VDD
16 TEST
15 TIM
14 RROUT
13 RFOUT
12 RFIN