2
ACC
OUT
11
(15)
12
(14)
BU14V
6,20
000874350
IC104
POWER AMP
9
(17)
7
(19)
9
(25)
7
(21)
GND
2,8,
18,22
22
CN701
(BUS
TERMINAL)
FL+
FL-
RL+
RL-
Vcc
MUTE
HS MIX
AMP
000474790-T
IC201
NF
3(5)
2(6)
14
(11)
HS OUT
LP
000774870
IC202
POWER AMP
4
12
BU14V
MUTING
Q201
(Q202)
HS MIC
DR
HS MIC
PA
L702
MIC
AMP
000474790-T
IC401
ELECTRONIC
VOLUME
000774840-T
IC402
D402
MIC
MUTE
000774810-T
IC403
POWER
SUPPLY
CONT.
POWER
SUPPLY
Q401
Q403
47
I-COM
Vcc9V
Q402
MUTING
Q407,
408
Vcc9V
MUTING
Q206
(Q205)
51
HS
MUTE
D103
A
BU
REGU-
LATOR
REGULATOR
STABILIZER
Q471
Q472
Vcc9V
STABILIZER
1/2Vcc
000474740-T
IC404
L701
B
SWITCH-
ING
Q514
V
DD
1
DISP
REQ
DISP
REQ
Q111
MUTING
4
STBY
SW
KS1
SW
KS2
SW
KS3
SW
K11
SW
K12
SW
K13
SW
K14
KEY SWITCH
20~25
KS1~6
27~30
K1
1~14
42
AMPON
SP
43
9
AMPON
HS
000874710
IC503
SYSTEM CONTROL
(1/2)
Vss
33
4
A
Vss
NOTE
: FM SIGNAL LINE
: FM/AM OSC LINE
: AM SIGNAL LINE
: WB OSC SIGNAL LINE
: FM/AM/WB Vcap SIGNAL LINE
: MAIN SIGNAL LINE
: WB SIGNAL LINE
(
) indicates pin No. Right channel.
RM-G45(PA)
BLOCK DIAGRAM
RM-G45PA
29