Icom IC-706 Service Manual

SECTION 10 BLOCK DIAGRAM
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___________ __ 1
MAIN UNIT
04
2SC4673
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,- -
X,
CR
~
~
~
IC4 M5282FP
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BFO
l-_+---.-t>I AMP
FM
FL·100
FL·101
FL·103
FL·223
FRONT
oMAIN
DIAL
*
[AF]
*
[RF/SOL]
*
[RIT]
VR UNIT
*
[SHIFT)
065
2SC4081
BFO
ALC
042
3SK131
043
2SK882
044
2SC4081
SSBAM
DISPLAY UNIT
BFO
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Ii
le16
IJPC1037GR
N-DATA
•••• EXPANDER
••• tN-DATA
IC28,lC29
X24C16S8 (x2)
IC15
BU4052BCF
X2
CR·520
19.6608 MHz
MIC
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1 I
IC22
~PC5023
r------------------------------
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1
__ - _
10 - 1

Icom IC-706 Specifications

General

Antenna Impedance	50 ohms
Supply Voltage	13.8 V DC ±15%
Modes	SSB, CW, AM, FM
Current Drain Transmit	20 A (max)
Sensitivity SSB/CW	0.16 μV (10 dB S/N)
Sensitivity AM	2.0 μV (10 dB S/N)
Selectivity SSB	2.2 kHz/-6 dB, 4.5 kHz/-60 dB
Selectivity CW	500 Hz/-6 dB
Selectivity AM	6 kHz/-6 dB
Selectivity FM	30 kHz/-60 dB