Block Diagram - Icom AT-130 Service Manual
Hf automatic antenna tuner
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Also See for AT-130:
- Instruction manual (16 pages) ,
- Instruction manual (12 pages) ,
- Instruction manual (14 pages)
Table of Contents
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SECTION 9
BLOCK DIAGRAM
L/C
NETWORK
(for AT-130E)
TRANSCEIVER
(for AT-130/140)
D13, D14
1N60
SWR
ATT
DET
D11
1N60
P/D
D7, D8, D11, D12
IC10
1N60
TA75393S
IMP
COMPARATOR
DET
IC5
Q1 2SK241
TC74HC393AP
Q2 2SC2668
BUFF
DIV
FWD PWR
DET
D1
1N60
Q7
2SA1048
CPU
CTRL
ANT
Explanatory notes
VOLTAGE LINE
COMMON LINE
L
NETWORK
C
NETWORK
IC12
IC3, IC4
IC2, IC3
PA2004C
TC74HC574AP
TC74HC574AP
BUFF
LATCH
LATCH
PRESET
CTRL
Q9 RN1204
Q10 2SC2458
CPU
IC8
IC1
TA7805S
PD78212CW-613
Q8
13.6V
REG
5V
2SC2458
BUFF
9 - 1
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