Icom IC-R7000 Service Manual page 38

7·3 MAIN UNIT
•MAIN UNIT
IC
IC1, IC2,
IC4, IC5
IC3
IC&
IC7
IC8
IC9
IC10
NJM4558D
(LOW NOISE DUAL OPERATIONAL AMPLIFIER)
LA2600
(ELECTRONIC VOLUME CONTROL)
NJM7809A
(3-TERMINAL 9V REGULATOR)
M5218L
(LOW NOISE DUAL OPERATIONAL AMPLIFIER)
µPC1241H
(5.8W AUDIO POWER AMPLIFIER)
DM-88XB
(DUAL BALANCED MODULATE)
NJM78L09A
(3-TERMINAL 9V REGULATOR)
FREQ.
CTL1 COMPEN- SIGNAL 2
BOTTOM
NC IN
SIGNAL 1 FREQ. OUT1
IN COMPEN-
SATION 1
NC OUT2 SATION 2 -IN
9 8
Voe CTL2 NC
IN
OUTPUT
GND
INPUT
1·rn
~
rei
00
OUT IN IN
v-
IN IN OUT V•
2 3 4 5 6 7 8 Vee
BOOT
INPUT N.F.B GND STRAP
RIPPLE GND OUTPUT
FILTER
6GND
4RF 2GND
LJ
3 RF
IF RF GND CASE GND
5GND
©»
@3
os
01
02
@•
0•
@•
GND RF GND LO
[
8(LO)
7 CASE GNO