![background image](http://html.mh-extra.com/html/icom/ic-2800h/ic-2800h_service-manual_612062042.webp)
C36
10
+
L9
10 H
IC7 TC7W14FU
1
2
3
4
5
6
7
8
C55
10
+
R3 100
R4 100
R5 100
R6 100
R7 100
R8 100
R9 100
R10 100
R11 100
R13 100
R12 100
C57
0.1
C31
0.1
L7
10 H
C33
0.1
C34
10
+
C25
0.1
L8
2.7 H
R15
470k
C23
0.001
R16
10k
L16
10 H
IC2
TC75S51F
+
—
1
3
4
5
2
C26
560p
C27
0.1
R18
1M
R17
68k
C30
39p
R25
27k
R26
50k
R27
1k
C35
0.1
R20
68k
R21
22k
R22
47k
R24
4.7k
R23
2.2k
C28
0.1
C29
0.1
L10
10 H
C92
470p
R106
560
R100
150k
R107
680
R109
10k
L13
10 H
C52
0.1
C53
10
+
D1
1SS355
R14
27k
C24
120p
R290
1.5k
R110
150
R164
150
CP1
R292
3.3
D2
1SV282
R284
100
D12
MA8033 L
R112
10k
C56
270p
W11
W12
HPOS4
HPOS3
IC1
MN83951
SYNCIN
1
HDBIN
2
SIDE2
3
SIDE1
4
VDBIN
5
HOUT
6
VDO
7
BLK
8
VPOS 3
9
VPOS 2
10
VPOS 1
11
ZOOM
12
U/D
13
POL
14
INT/EXT
15
CPV
16
OEV3
17
OEV2
18
OEV1
19
STV
20
OEH
21
OH
22
STH
23
CPH4
24
CPH3
25
CPH6
26
CPH2
27
CPH5
28
CPH1
29
HALFSHIFT
30
CPHSEL
31
QHSEL
32
PD
33
6/3
34
VDD
35
VCOI
36
VCOO
37
VSS
38
RESET
39
HDOT1
40
UONS
41
42
43
44
45
PN1
46
VDD
47
VSS
48
C193
220p
C77
0.1
C78
10
+
C194
220p
C54
4.7
Q11
2SC4081 R
D14
MA8047 M
HPOS2
HPOS1
W4
R108
5.6k
C16
47p
1
C22
47p
C133
0.1
C134
0.1
C135
0.1
C189
220p
0
0
2
0
C152
0.1
1
0
C151
0.1
C150
0.1
W14
W10
+
CONTV
BRITV
IC6 M52338FP
1
2
3
4
5
6
SW
7
8
9
VCC2
10
VEE
11
12
13
14
15
GND
16
17
18
19
20
21
22
BRIGHT
23
CONTRAST
24
GAM1
25
GAM2
26
EXT IN R
27
28
EXT IN G
29
30
EXT IN B
31
VCC1
32
IC16
M52042FP
: Other
M52045FP
: [EUR, ITA]
1
2
3
SYNC OUT
4
HD
5
6
7
8
CONT
9
10
11
12
GND
13
14
15
S.W.
16
17
18
TINT
19
COLOR
20
21
22
23
VCC
24
R84
2.7k
C81
0.01
R87
33k
R89
68k
C82
0.01
R65
33k
C86
0.1
C85
0.1
C84
0.1
C90
0.1
C87
0.01
R168
47k
R167
56k
R169
68k
C130
0.01
R170
39k
C58
0.1
R58
15k
R59
560 : Other
470 : [EUR], [ITA]
C141
1
C131
0.01
R51
1M
R258
47k
C44
4.7
+
R257
39k
D13
MA8043 L
C142
0.01
C132
0.01
C89
0.1
C91
0.1
R291 22
W6
C67
0.01
R273
2.7k
C83
0.01
C187
220p
R86
82k
C79
220p
C72
220p
C188
220p
C80
0.01
C191
220p
C71
0.01
C190
220p
C184
220p
C200
220p
C179
220p
C178
220p
C176
220p
C183
220p
C177
220p
C70
0.01
C199
220p
C196
220p
C186
220p
C181
220p
PA5
PA7
PA6
PA4
R173
470
R174
3.3k
R255
15k
R256
100k
D9
1SS355
R289
15k
R254
100k
C101
10
+
C102
10
+
R283
8.2k : O
3.9k : [E
C154
180p : O
100p :
X1
CR-6
CR-6
BIAS COUNT
COM OUT
COM GAIN
FRP2 IN
CP CONT
HD IN
CLAMP B
MAIN IN B
CLAMP G
MAIN IN G
CLAMP R
MAIN IN R
B OUT
SUB BIAS B
G OUT
SUB BIAS R
R OUT
FRP1 IN
SUB CONT R
SUB CONT B
C185
220p
R63
220
ACC FIL
SYNC IN
V IN
PED CAP
C TRAP
Y OUT
R OUT
G OUT
B OUT
KILLER FIL
VCXO OUT
VCXO MON
VCXO IN
APC FIL
KILLER OUT
PIX CONT
R266
220k
R265
220k
R270
1k
C145
3p
C146
0.01
IC20
TC7S08FU
1
2
3
4
5
IC17 TA7
G
O
C155
10
+
C129
0.001
IC23 TA78
C156
0.1
C149
10
+
G
O
5.13
5.16
—14.7
5.22
1.81
3.15
1.72
1.71
5.11
4.88
3.26
2.62
4.67
4.26
COMPLETE VIEW
Summary of Contents for IC-2800H
Page 1: ...DUAL BAND FM TRANSCEIVER iC 2800h iC 2800h ...
Page 50: ...iC 2800h ...