Icom ID-880H Service Manual

*; Refer to “PARTS LIST.”
10 - 1
SECTION 10. VOLTAGE DIAGRAM
MMZ1608Y102BT
EP9
MMZ1608Y102BT
EP12
MMZ1608Y102BT
EP10
J2
1
1
2
2
3
3
4
4
5
5
6
6
MMZ1608Y102BT
EP11
2SA1586
Q15
S-80945CNMC
IC2
1
OUT
2
VDD
3
VSS
4
NC
5
CD
R58
22K
22K
R100
1kR122
1kR123
R55 1k
R51 1k
R47 1k
R43 1k
R54 1k
R50 1k
R46 1k
R42 1k
R22
470K
10K R76
470K
R77
10K
R83
10K
R102
R41 1M
R8
1k
R4
1k
47K
R101
R24 10K
R25 10K
1kR120
1kR121
0.001
C29
47P
C30
47P
C31
100P
C7
100P
C10
0.001
C27
0.01
C4
0.01
C2
0.01
C50
0.01
C51
0.001
C46
0.01
C16
0.01
C34
0.01
C53
0.1
C37
0.1
C36
0.1
C35
0.1
C48
100P
C5
100P
C8
10
C24
0.01
C25
1
C28
R21
390
R20
10
NJM2831F05 IC8
1
CTRL
2
GND
3
NC
4
VOUT
5
VIN
1k
R78
UPD78F0512AGA
IC 4
1
P60/SCL0
2
P61/SDA0
3
P62/EXSCL0
4
P63
5
P33/TI51/TO51/INTP4
6
P75
7
P74
8
P73/KR3
9
P72/KR2
10
P71/KR1
11
P70/KR0
12
P32/INTP3/OCD1B
13
P31/INTP2/OCD1A
14
P30/INTP1
15
P17/TI50/TO50
16
P16/TOH1/INTP5
17
P15/TOH0
18
P14/RxD6
19
P13/TxD6
20
P12/SO10
21
P11/Sl10/RxD0
22
P10/SCK10/TxD0
23
AVREF
24
AVSS
25
ANI7/P27
26
ANI6/P26
27
ANI5/P25
28
ANI4/P24
29
ANI3/P23
30
ANI2/P22
31
ANI1/P21
32
P20/ANI0
33
P130
34
P01/TI010/TO00
35
P00/TI000
36
P140/PCL/INTP6
37
P120/INTP0/EXLVI
38
P41
39
P40
40
RESET
41
P124/XT2/EXCLKS
42
P123/XT1
43
FLMD0
44
P122/X2/EXCLK/OCD0B
45
P121/X1/OCD0A
46
REGC
47
VSS
48
VDD
LC75827W
IC7
1
P1/S1
2
P2/S2
3
P3/S3
4
P4/S4
5
P5/S5
6
P6/S6
7
P7/S7
8
P8/S8
9
P9/S9
10
P10/S10
11
P11/S11
12
P12/S12
13
S13
14
S14
15
S15
16
S16
17
S17
18
S18
19
S19
20
S20
21
S21
22
S22
23
S23
24
S24
25
S25
26
S26
27
S27
28
S28
29
S29
30
S30
31
S31
32
S32
33
S33
34
S34
35
S35
36
S36
37
S37
38
S38
39
S39
40
S40
41
S41
42
S42
43
S43
44
S44
45
S45
46
S46
47
S47
48
S48
49
S49
50
S50
51
S51/COM4
52
COM3
53
COM2
54
COM1
55
VDD
56
VLCD
57
VLCD1
58
VLCD2
59
VSS
60
OSC
61
INH
62
CE
63
CL
64
DI
COM
A
B
SW-170
S14
0.001
C44
0.001
C45
1
C54
J4
1
2
3
4
5
6
7
8
0.001
C43
0.001
C42
2SA1586
Q16
R13
10K 100K
R126
1
C52
10KR127
10KR128
MMZ1608Y102BTEP13
MMZ1608Y102BT
EP14
Q7
2SC4738
Q9
2SC4738
Q11
2SC4738
Q13
2SC4738
Q6
2SC4738
Q8
2SC4738
Q10
2SC4738
Q12
2SC4738
Q1
2SC4738
2SC4738
Q14
CR-836A
X1
22P
C55
22P
C56
47P
C57
47P
C58
47P
C59
47P
C60
47P
C61
47P
C62
47P
C63
47P
C64
47P
C65
47P
C66
100K
R129
100K
R130
100K
R131
100K
R132
R72 1k
R73 1k
1kR133
1kR134
CP06S
CP1
CP06S
CP2
CP06S
CP3
CP06S
CP4
CP06S
CP5
CP06S
CP6
CP06S
CP7
CP06S
CP8
10KR135
10K
R136
10KR137
10KR138
100K
R139
100K
R140
0
R141
0
R142
0
R146
SKQYPAE010
S5
SKQYPAE010
S6
SKQYPAE010
S7
SKQYPAE010
S8
SKQYPAE010
S9
SKQYPAE010
S10
SKQYPAE010
S11
SKQYPAE010
S3
SKQYPAE010
S4
0.033
C26
39K
R79
0.001
C49
TAK-43542
DS20
1
COM1
2
COM2
3
COM3
4
COM4
5
SEG1
6
SEG2
7
SEG3
8
SEG4
9
SEG5
10
SEG6
11
SEG7
12
SEG8
13
SEG9
14
SEG10
15
SEG11
16
SEG12
17
SEG13
18
SEG14
19
SEG15
20
SEG16
21
SEG17
22
SEG18
23
SEG19
24
SEG20
25
SEG21
26
SEG22
27
SEG23
28
SEG24
29
SEG25
30
SEG26
31
SEG27
32
SEG28
33
SEG29
34
SEG30
35
SEG31
36
SEG32
37
SEG33
38
SEG34
39
SEG35
40
SEG36
41
SEG37
42
SEG38
43
SEG39
44
SEG40
45
SEG41
46
SEG42
47
SEG43
48
SEG44
49
SEG45
50
SEG46
51
COM4
52
COM3
53
COM2
54
COM1
J3
1
1
2
2
3
3
4
4
5
5
R59
22K
R60
22K
DS13
VYPY1111C
DS14
VYPY1111C
DS15
VYPY1111C
DS16
VYPY1111C
DS17
VYPY1111C
DS18
VYPY1111C
VYPY1111C
DS21
VYPY1111C
DS22
Y
G
HT-297UY
DS1
Y
G
HT-297UY
DS2
Y
G
HT-297UY
DS4
Y
G
HT-297UY
DS5
Y
G
HT-297UY
DS7
Y
G
HT-297UY
DS8
Y
G
HT-297UY
DS10
Y
G
HT-297UY
DS11
R44
82
R48
82
R52
82
R56
82
R45
82
R49
82
R53
82
R57
82
150
R110
150
R111
150
R112
150
R113
150
R114
150
R115
150
R116
150
R117
0
R125
390
R147
390
R148
390
R149
390
R150
MA2S1110G
D9
MA2S1110G
D8
MA2S1110G
D10
MA2S1110G
D11
MA2S1110G
D12
MA2S1110GD13
MA2S1110G
D14
MA2S1110G
D5
1k
R151
1k
R152
1k
R153
AVR-M1005C270
M
D15
AVR-M1005C270M
D16
AVR-M1005C270M
D17
AVR-M1005C270M
D18
50k
R3
50k
R7
VYPY1111C
DS23
VYPY1111C
DS24
R65
2.2K
R66
2.2K
2.2K
R124
D4
MAZ8062GL
R67
1.2K 1.2K
R154
SEG27
SEG11
SEG26
SEG10
SEG25
SEG9
SEG24
SEG8
SEG23
SEG7
SEG22
SEG6 SEG5
SEG20
SEG4
SEG19
SEG3
SEG18
SEG2
SEG17
SEG1
SEG46 SEG16 SEG45 SEG15 SEG44 SEG14 SEG43 SEG13 SEG42 SEG12 SEG41 SEG11 SEG40 SEG10 SEG39 SEG9 SEG38 SEG8 SEG37 SEG7 SEG36 SEG6 SEG35 SEG5 SEG34 SEG4 SEG33 SEG3 SEG32 SEG2 SEG31 SEG1 SEG30 COM4 SEG29 COM3 SEG28
SEG12
COM2
RED_D4
RED_D3
RED_D2
RED_D1
GREEN_D4
GREEN_D3
GREEN_D2
GREEN_D1
SEG21 COM4 COM3 COM2 COM1
SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 SEG39 SEG40 SEG41 SEG42 SEG43 SEG44
LDIAL_A
LDIAL_B
COM3
COM1
COM4
COM2
SQL
VOL
CONT
KEY_9
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG46 SEG45 SEG29
SEG13
RED_D4
RED_D3
RED_D2
RED_D1
GREEN_D1
GREEN_D2
GREEN_D3
GREEN_D4
KEY_1 KEY_3 KEY_2
KEY_7
KEY_4
KEY_5
KEY_6
KEY_9
CONT
DI
CE
CL
RXD
TXD
INH
KEY_8
Q B2CLK
QB2DATA
QB2RXD
QB2TXD
D
IAL_A
DIAL_B
FLMDO
RESET
LDIAL_B LDIAL_A
INH
CE
CL
DI
KEY_1
KEY_2
KEY_3
KEY_4
KEY_5
KEY_6
KEY_7
KEY_8
COM1
FLMDO
FLMDO
RESET
RESET
QB2DATA
QB2RXD
Q B2CLK
QB2TXD
RXD
TXD
SQL
VOL
KEY_PWR
VDD
HV
PWR
12V
RDATA
TDATA
GND
+5C
+5V
POWER
SQL
VOL
+5V
OSC
VDD
MENU LOCK
S.MW RX>CS
VFO/MHz SCAN
M/CALL TONE
D.RPT CL
UR CS
LOW DUP
MONI DTMF ENT
BAND MODE
DIAL
HV
RDATA
TDATA
GND
12V
Po-SW
AMBER :7.9
GREEN :5.7
YERROW:6.
GREEN :5.7
YERROW:6.3
AMBER :7.9
6.05
0. 2
4. 3
11.26
CONT5:4.5 5. 0
CONT9:5.0
CONT1:3.9
5.04
CONTROL UNIT

Icom ID-880H Specifications

General

Input voltage	13.8 V
Mounting kit	Yes
Product type	Portable CB radio
Product color	Black
Housing material	-
Frequency range	10 - 20000 MHz
Channels quantity	1052 channels

Weight and Dimensions

Depth	198.12 mm
Width	149.86 mm
Height	40.64 mm