Block Diagram - Icom AT-141 Service Manual

SECTION 9

BLOCK DIAGRAM

TRANSCEIVER
D13, D14
MA732 × 2
SWR
ATT
DET
D11
MA732
P/D
D7, D8, D11, D12 IC19
MA732 × 4 TA75393S
IMP
COMPARATOR
DET
IC5
Q2 2SC4116 TC74HC393F
BUFF DIV
FWD PWR
DET
D1
MA732
Q7
2SA1586
ANT
Explanatory notes
VOLTAGE LINE
COMMON LINE
L
NETWORK
C
NETWORK
IC3, IC4
BU4094BCFV × 2
BUFF LATCH LATCH
CPU
IC20
IC15
TA7805F
MB95F108AHSPFM
Q8
13.6V REG
2SC4116
CPU
BUFF
CTRL
IC2, IC3
BU4094BCFV × 2
5V
B - 9 - 1