Icom IC-7800 Service Manual Addendum page 474

• FRONT AND BOTTOM SIDE
LOGIC UNIT
53
MP125 (C)
MEMORY UNIT
MP3 (ME)
MP1 (ME)
15
10
X
MP2 (ME)
5
48
4
8
7
3
6
MP1103 (PA)
29
28
55
30
29
31
31
8
MP1102 (PA)
6
MP1104 (PA)
MP224 (PA)
MP222 (PA)
MP223 (PA)
MP179 (C)
MP12 (C)
60
61
62
63
A
MP135 (C)
MP42 (DC)
40
MP123 (C)
MP122 (DC)
MP22 (DC)
65
MP152 (C)
MP102 (DC)
MP153 (C)
1
MP82 (DC)
2
66
K
13
MP1103 (PB)
11
RXPLL-A
16
UNIT
MP124 (C)
22
33 57
23
34
32
35
3
MP1102 (PB)
MP542 (PA)
MP1104 (PB)
MP224 (PB)
MP652 (PA)
MP502 (PA)
MP548 (PA)
MP102 (PA)
MP222 (PB)
MP16 (C)
MP223 (PB)
MP124 (C)
MP179 (C)
62
63
12
MAIN UNIT
MP1 (C)
MP62 (DC)
41
MP551 (M)
MP122 (C)
W1 (DC)
11
DC-DC UNIT
15
16
12
14
2
W
21
RXPLL-B
39
UNIT
DSP-A
BOARD
MP2 (DA)
MP124 (C)
MP2 (DB)
37
17
37
38
36
MP542 (PB)
MP652 (PB)
MP502 (PB)
MP547 (PB)
MP546 (PB)
MP102 (PB)
Unit abberaviations (C) : CHASSIS PARTS
MP16 (C) (ME): MEMORY BOARD
(DC) : DC-DC UNIT
(PA) : RXPLL-A UNIT
(PB) : RXPLL-B UNIT
MP124 (C)
(M) : MAIN UNIT
(DA) : DSP-A BOARD
(DB) : DSP-B BOARD
(DT) : DSP-TX BOARD
(S) : SCOPE UNIT
39
MP501 (M)
SCOPE UNIT
J490 (M)
MP801 (M)
MP496 (M)
17
24
18
23
19
20
8
F3 (M)
22
7
58
27
MP1 (DA)
1
25
21
MP1 (DB)
26
MP187 (C)
MP1 (DT)
MP186 (C)
MP122 (C)
DSP-TX BOARD
MP2 (DT)
DSP-B
BOARD
MP136 (C)
MP173 (C)
MP158 (C)
MP180 (C)
6 - 11
MP6 (C)
MP902 (S)
J902 (S)
MP901 (S)
J902 (S)
MP3 (S)
J904 (S)
J903 (S)
J905 (S)
20
MP126 (C)
34
27
30
25
36
10
66
13
65
MP22 (C)
MP15 (C)
MP126 (C)
MP185 (C)
MP115 (C)
MP20 (C)
MP14 (C)
MP136 (C)
14
MP137 (C)
MF1 (C)
MP103 (C)
MP181 (C)
MP114 (C)
MP17 (C)