Icom IC-R10 Service Manual page 5

3rd IF arnplilier
qirculi
2nci IF amplifier
(Q2i'2SCJ2i&
t
Mam
band]
IF 1C
(Sub-bandi
-
(,tC47l
;
TA31 136F)
Top
view
SSB
detector
circuit
BFO
ampliJier
(Q95t:2SC42ltj
2nd
IF
amplifier
(Q42l :2SC42V5
Sub-band)
3rd
IF circuit
(SSB/CW)
3fd tF circuit
(AM
/
FM)
2id
IF circuit
(WFM]
AF
amplifier (IC361
:TA73eaF)
IF 1C
(IC?1
:
T
A3i
1
36F
/
Mam
band)
AF
sv/ilch
(IC301
:
BU4066CFV)
2nd
miJter
(Q41
1 :
2SC50&5
/
Sub-band)
DATA
expander 1C
(IC3D5:
BU4094BF)
2nd
mixer
1C
(I
Cl
1:
^lPC27ST
/
Main
band)
2nd PLL
1C
(I
C50
1
:
M
P03
1
406
3)
VXO
circuit
2nd
refatenca
oscillaior
B
ot
tom view
(x&d
i
cr-sss
n
2
,e
mh
z)
RF
amplifier
(Q5l:2SC42i5>
—
1sl
miser
IC
—
^
(IC271;
MPC276T)
RF
circuit
—
=
(700
MHz
-
1.30D
MHz)
RF
circuit
(300
MHz
'500
MHZ)"
RF
circuit
—
—
—
(30
MHz
-
75
MHi)
RF
circuit
—
-
[O.&MHZ'
1.9
MHz}
RF
circuit
{15
MHz
-
3D
MHZ)
iStlFcircuH
—
—
"
{340
MHz
'
1
GHz)
Tw/^
r
Reference
cscillaior.
{X501; 10,345
MHz)
Top
view
4 -
RF
circuit
<500
MHZ
-700 MHz)
RF
circuit
<75
MRz
-
300
MHz)
RF
circuit
<1.9
MHZ
- 15
MHz)
tsMF
amphlier
(Q421;2SC4226)
1st IF circuit
(0.5
MHz
-
340
MHz
and
1
GHz
-
1.3
GHz}
1st
VCO
unit
Bottom view
•
LOGIC
unit
Bottom
view
AF mute
switch
flC950:
TC43D6F)
CPU
IC
(IC1:
pP07B054GK]
VSC
fC
(IC201:
MPC5D23-115)
AF
amplifier
(0950:
3SC4211)
BFO
Circuit
2
-
1