Panasonic RM-G45PA Service Manual page 29

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