Icom IC-H6 Service Manual page 10

""'
I
16.9MHz
455KHz
RF Amp
'
Ceramic Noise Squelch
1st Mixer
Crystal
1st IF Amp
,.
0101
r-+
,.
Filter
~
Filter
Detector
~
Control
2SC2026
0103
F1101
0104, 0105 -
-
0113
r
,___
F1102
0114, 0115
0102
2SK192
16M15B2
2SC2668 x 2
2SC2668
CFU455E2 2SA1048 2SC2458 x 2
f
~VCC ~ ~
I
v
I
Squelch [
Indicator
Regulator
T/R Switch
~
-.j
2nd Mixer
2nd
~
Noise
Amp~
Control
0117 2SK192
0106, 109, 111 ~R6V
IF Amp
re--
0118 2SB562
rl>
116,112
t
AF Powoc
-.aj
0121, 0122
0119, 0120
2SA1048 x 2 2SC2458 x 2
4J r<rcJ ~
6V
LED Power
Switch
x2
Multiplier
I
0209
2SC2668
Battery
Cl.
Pack
X2
Microphone
D-
Multiplier
-
0207
2SC2668
Mic Amp
0125· 126
Limiter
2SC2458 x 2
~
0128
0127
2SA1048
2SC2458
......
v
in
Transmit mode
----~~
.. in Receive mode
-----1[>
in Common mode
~
...
~
2SA1048 x 5
0107,108,110
2SC2458 x 3
..L
t ~
T
T6V
R6V X101
16.445MHz
Buffer Amp Driver
0211
~
0212 -£;'.>
2SC383 2SC2053
"'7
Crystal
X202(R}*
l
Switch
H>
X203(T)*
9-i)
D210-D212
1SS53 x 3
(*Refer to page 3 - 4)
I
Buffer Amp Buffer Amp
0208 0202, 0203
2SC2026 2SC2668 x 2
Lf
1'
T
Low-pass
vco
Filter FM Modulator
0129
~
0201 2SK192
(}-
2SC2458 D203 1SV50
.,.
~FM
Detect
A,;>. Amp
~
2nd LO
...--/'¢.f""
IC102 BA526
....
IF IC
Volume
Speaker
IC101 MC3357
Antenna
Power Amp
RF
T
T/R Switch
Low-Pass
0213 f-l;i
D216, D217
llf-(;1I
2SC1947 Filter
1SS53 x 2
Mute Switch
X2
0210
Crystal OSC
2SC2458
~
PLL Mixer
Multiplier
-{> -j)
Low-pass
0214
0206
0204 2SA1048
2SC2668
Filter
2SC2026
~
'i7
Oscillator
Level
Channel Switch
l
Divider
Converter
0
0-{)
(1/2048)
T
IC203
0205
0
X201
TC5082
2SC945
5.12MHz
2.5KHz
'i7
Phase Programmable
Matrix Board
Detector Divider
0401
Loop Filter
kl-
IC202
<I-
IC201
Fl-
2SA1048
<I-
0402
TC5081 TC9122 2SC2458
l
en
m
(')
::!
0
:z
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al
r-
0
(')
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0
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