Icom IC-2820H, Service Manual

Page: 50 / 57

10 - 4
UNR9114J
Q8
MA2S077
D36
L30
LQW18AN6N8C00
0.001
C9
100 R233
HVC350B
D54
0.5P
C182
L6
4.7U
0.001 C150
L29
10N
0.001
C65
MMZ1608Y102BT
EP71
MA2S077
D71
0.001
C307
180K R119
0.001 C128
R216
10
AS080547
L88
L51
LQW18AN24NG00D
DAN222
D3
1
0.001
C83
1.5P
C340
2.2K R9
100K
R149
C293
0.001
LQW18ANR15G00D
L41
0.001 C193
27P
C109
37.5N
L98
C76
0.001
R3
7
56
C280
0.001
0.001
C16
0.001 C246
R239 4.7K
47
R165
12.1N
L69
33P
C188
8.6N
L103
0.001 C299
0.001 C210
100 R229
Q23
2SC5624
R241
82K
39N
L75
33P
C262
R4
4.7K
AS080440
L77
100K
R160
R28
82K
R91 680
4P C224
47
R38
1P
C53
R143
15
0.001
C21
LQW18AN82NG00D
L91
22 CV
C225
2P C124
R159
100K
0.001 C208
0.001 C136
U NR9113J
Q31
MA2S077
D7
7
47K
R55
1.8K R141
LQW18AN82NG00D
L66
C335 33P
45.5N
L94
47K R234
0 R185
R44
10K
2P C104
XP4601
Q2
1
2
3 4
5
6
1P
C202
22
R754
HVC375B
D50
47 R109
M
A
2S111
D3
2
AS080440
L73
100P C345
0 R184
D2
MA2S728
R100 22
0.001
C295
AS080747
L89
R59
39
12P
C162
3P
C87
L2 33N
M A2S077
D56
100K
R192
120K R121
4P C214
36P C326
100K
R191
C75 0.001
R18 470
HVC375B
D15
VAGC
R242 82K
VHFYGR
R68
150
0 .001
C265
D72
1SV308
330K
R133
DA_DATA
D52
MA742
Q19
3SK324
100K
R155
0.001 C92
6P
C308
0.001 C122
ERDS2T0
W5
UAGC
C30 0.001
0.75P
C258
HVC350B
D51
C341
0.001
13P
C174
2P C126
XP4601
Q1
1
2
3
4
5
6
6P
C309
15N L4
15
R105
L140_R5
D26
1SV308
Q33
3SK318
D16 1SV308
0.001 C219
3.5P
C255
5P C313
R180
22
0K
MA8075
D169
C66 0.001
2.2 MSVA
C178
L_R5
0.5P
C32
1.5P C67
3P C234
R_R5
D7
8
M
A
2S111
MMZ1608Y102BT
EP4
CTH30V222S15A
C845
22
CV
C291
120K R237
R204
10
10K
R167
AS100340
L50
1.8K R129
R39 150
HVC375B
D12
MA2S111
D80
100 R188
C249 100P
6P
C328
L25
18N
MA2S077
D5 3
R19
470
C282 0.001
0.001 C215
0.3P
C36
L36
15N
C17 0.
1
R140_R5
R15
47K
100
R171
Q16
2SC473 8
C247 100P
12.1N
L109
2.2K
R209
3.5P
C95
R400_S
3P
C147
C138 0.001
0.001
C62
2.5P C26
180K R179
0.001 C324
UNR9213J
Q12
3P C112
2.2K
R176
LQW18AN68NG00D
L54
220K
R115
C43 39
P
L48
33N
10K
R202
2SC4738
Q30
MA2S077
D73
100P
C279
0.001 C165
L5V
100
R110
UNR9114J Q11
0.001 C220
D49
M
A
2S111
12.0N L33
10K
R874
0.001 C68
R86
470
3P
C160
L709CE
D75
C271 100P
R5 470K
8P
C49
AS080440
L61
0.001
C45
27P
C320
12.0N L31
3P
C168
R63 4.7K
L220_R5
R85
470
0.001 C137
39K
R182
0.001 C254
0.001
C90
2SA1362
Q17
0.001 C190
R168 39K
47K R114
C244 0.001
0.5P
C96
150
R128
15N L12
C336 0.001
L44
LQW18AN56NG00
0.001 C217
MA2S077
D35
R_RX800
R95 22
15P
C37
1SV172F
D28
8P
C285
Q26
2SC3357
180K R118
220P
C300
L70
1U
100 R230
R47
15
12.1N L99
0
R102
0 R857
R147 330
L9
47N
0.
1
C216
L11
47N
100K
R208
100P
C181
4P
C952
100P
C191
100 R41
3P
C953
DA3_STB
100 R170
100K
R23
0.001
C227
0.001 C170
18P C319
2P
C133
LQW18ANR15G00D
L164
0.001
C148
HVC375B
D21
0.001 C237
0.5P
C38
C74 0.001
LQW18AN6N8C00
L20
0.1U L57
R88
22
39N L72
L35 22N
R213
10
R240
10
220K R228
41-002AA-R
J11
10P
C70
C235
0.001
AS080440
L104
C24
4P
0.001
C149
8P
C46
33P
C261
C54 33
P
7P C348
0.001 C116
27P C332
120K
R48
68
R89
0.001
C63
1P
C173
68K
R193
0.001 C6
Q25
2SC3357
R56 150
C284 0.001
0.001
C186
R217
120
LQW18AN56NG00
L78
0.001 C183
15P C155
0.001 C86
47K R190
D11
1SV308
100
R67
220P
C331
100 R197
6P
C338
15N L5
5P C342
R139
330
CTH30V222S15A C846
C102
7P
C135 0.001
C315 0.001
0.001 C184
100 R210
150 R172
R232
680
0.001
C153
33P
C131
8P
C169
0.001
C278
MA2S077
D37
0.5P
C260
L47
0.22U
1SV172F D68
100K
R78
HVC375B
D20
L63 18N
180K R221
L37 39N
0.001 C89
D17
1SV308
2SC473 8
Q38
1
2
3P C82
D23
HVC375B
33P
C185
12P C273
M62352GP
IC54
1
VSS
2
AO3
3
AO4
4
AO5
5
AO6
6
AO7
7
AO8
8
AO9
9
AO10
10
VDD
11
VCC
12
AO11
13
AO12
14
DO
15
LD
16
CLK
17
DI
18
AO1
19
AO2
20
GND
LQW18AN6N8C00
L102
AS100340
L101
1P C27
47K
R227
U NR9114J
Q9
PRF18
R852
3P
C93
8P C78
D4 MA2S728
100K
R200
3P
C304
UNR9114J
Q4
33N
L39
Q27
2SC4703
LQW18AN68NG00D
L165
0.001 C108
0.001 C139
2.2M R187
0.001 C127
220K
R194
C222 0.001
1P
C161
R64 680
C152
0.001
1K
R12
100P C211
Q32
3SK318
LQW18ANR15G00D
L76
LQW18AN82NG00D
L64
D18 1SV308
18.3N
L86
9P
C56
0.
1
C44
3.5P
C196
0
R756
0.001
C145
0.001
C207
0.001 C274
D64
MA2S111
22 CV
C270
0.
1
C2
15P
C60
D5 MA2S728
120K R22
0
M
A
2S111
D76
R83
100K
3SK324
Q28
1k
R219
D48
MA2S111
MA2S077
D65
0.001
C199
R90 4.7K
4P
C333
C252
100P
220K R235
R126
10K
L1
33N
0.5P
C29
C103 0.001
LQW18AN82NG00D
L81
L34
4.7U
R92
22
100P C175
MA2S077
D38
R104 22
0
120K R181
2.5P
C13
1k R875
18N
L18
0.047
C241
R75
4.7K
L7
4.7U
47K R112
0.001 C28
0.001 C58
1k
R224
L46
AS080647
4P
C303
HV
8P
C242
ATQ206SA
RL1
0.001 C130
47K
R20
33N L58
R82 120
R7
6
1K
41-002AA-R
J10
4P
C50
0.001
C142
L24
4.7U
82K
R158
R46
18
J21
3008L-8P8C
1
2
D79
M
A
2S111
7P C346
3SK318
Q39
0.001 C10
0.001 C306
8P
C283
1K
R212
2.2K
R195
0.001 C938
220 R140
2.2K R134
R97 1K
8P
C163
0.001
C144
L15
4.7U
2.5P
C14
D47
MA742
Q35
2SC5624
R74
470
10P C132
15N
L84
0.001 C322
2.2K
R10
R2
2
1K
220K
R113
0.001
C848
LQW18AN68NG00D
L166
18N L60
18N L67
0.001
C317
L100 39N
M A2S077
D57
D29 MA2S111
R189 220K
39N L55
C98 7P
3.5P
C64
R72
470
R142 330
0.001
C47
0.001
C221
0.001
C61
R244
4.7K
5P C281
0.001 C259
100K
R156
L300_R5
100K
R27
3P
C239
15N L10
100K
R30
R29 470
47K R173
Q34
2SC562 4
C251
0.001
12.1N L95
IC4
NJM3404AV
1
2
3
4 5
6
7
8
47
C80
L83
1U
4P
C15
2P
C347
MA2S077
D69
D7 4
1SV308
0.001
C946
HVC350B
D58
R60 220K
0.001 C942
0.001 C301
0.001
C59
L43
0.1U
12P C110
R96 4.7K
100K
R145
0 .001
C314
C256
100P
180K R120
HVC350B
D55
R201 22K
2.2 MSVA
C192
0.001 C72
0.001
C231
0.001
C176
R43 330
M PZ1608S221A
EP2
33K
R148
AS080647
L56
1SV172F D30
R16
47K
3P C77
0.001 C11
D59
L709C E
100K
R153
2.2K
R135
MMZ1608Y102BT
EP3
R400_R5
C350 0.001
D1
MA2S728
39K R186
100
R98
0.001 C218
0.001
C232
FAN
MF 1
0.001
C121
0.5P
C101
R53
220K
18P
C310
0.001
C3
C105
7P
0.001
C151
2SC4738
Q21
12.0N L23
0.001
C73
0
R757
0.001 C257
15P C266
0.001
C19
L49 22N
100
R218
R124 4.7K
3P
C200
0.001
C143
120K R238
0
R222
S-AV32
IC 3
1
IN
2
VGG
3
VDD
4
OUT
0.001 C316
0
R61
100P C339
0
R236
18P C312
150K R163
0.001 C243
L28 47N
39N L19
C4
0.
1
R164
39K
2P
C349
1K
R215
1.5P
C343
470P
C275
2.5P C25
R245
10K
L13
4.7U
C171
0.001
3P C113
36P C327
0.01 C228
100P C12
0.001
C118
2.2K R136
R117 10
0
L400_R5
MA2S077
D7
2SB1132
Q123
0.001
C85
C268 100P
LQW18ANR15G00D
L40
47K
R58
1SV172F
D70
0 R138
C229
0.001
MA2S077
D8
100P C195
0.001
C5
0.001 C213
UUI
F
3P C146
ERDS2T0
W6
D67
MA2S111
120K
R175
UNR9114J
Q7
39K
R196
Q20
3SK324
120
R223
330K R211
5P C344
1.5P
C337
0.001 C941
39N
L53
D66 MA2S111
100P
C297
1P C198
UNR9213J
Q13
C287 0.001
M62352GP
IC1
1
VSS
2
AO3
3
AO4
4
AO5
5
AO6
6
AO7
7
AO8
8
AO9
9
AO10
10
VDD
11
VCC
12
AO11
13
AO12
14
DO
15
LD
16
CLK
17
DI
18
AO1
19
AO2
20
GND
64N L71
D22
1SV308
C88
0.001
0.001 C129
180K
R45
R31
470
33K
R205
0.001
C212
0
R3
0.001 C23
MA2S077
D9
33N L68
47
R169
8P
C236
C18 0.
1
R800_R5
DA_CK
0.001
C156
7P
C123
100 R108
L62
1U
0.001 C264
0.3P
C100
15P C41
6P
C321
18N L16
0.001 C883
27P C330
0
R101
L45
33N
R14
15
R66 150
5VS
1.5P
C114
R6
4.7K
VVI
F
LQW18AN6N8C00
L107
C223 0.001
0.001
C99
R225
10K
2SA1362
Q15
0.001
C289
1.5P
C115
22 CV
C298
AS080547
L96
HVC350B
D41
9P
C55
100K
R81
0.001 C240
0.001
C164
R150
330
100
R49
12N L17
2P C125
D27 1SV308
0
R125
6N
L110
100K
R24
LQW18AN6N8C00
L8
6P C334
LQW18AN6N8C00
L105
C31 33
P
0.001 C267
L21
4.7U
U NR9114J
Q3
AS080340
L108
0.001
C206
0.001
C40
L42
0.1U
18P C141
1K
R8
L79
1U
1K
R93
0.001
C140
R243
47K
0.
1 C1
HVC375B
D13
ATQ206SA
RL3
1P
C57
0.001
C94
180K R177
0.001
C7
AS080647
L92
10
P
C203
0.5P
C187
R231
680
100
R856
0.001 C311
12.0N L27
D19 1SV308
0.001 C159
R144
22
R40
39
0.22U L87
C119 0.001
100K R203
64N
L74
10 EEE-S
C134
0.001
C69
0.001 C197
1P C272
33N L38
C120 0.001
2.2K
R199
MA2S728 D6
0.
1
C238
47 R107
Q14
2SC473 8
R106
18
HVC350B
D43
AS080440
L80
PRF18
R853
120K R54
0.001 C111
100P C205
150 R174
C91
7P
3.5P
C253
UNR9114J
Q6
R166
22K
3SK324
Q29
HVC350B
D4
4
C167
0.001
1K
R94
220K
R162
0.001
C263
R57 330
R80 4.7K
D3
MA2S728
37.5N
L90
LQW18AN68NG00D
L52
3P C286
D42
MA742
R154 27K
0.001 C107
D24
HVC375B
Q18
2SC5231
J20
3008L-8P8C
1
2
0.001 C290
LQW18ANR15G00D
L97
0
R877
2P C323
HVC350B
D40
0.5P
C292
L26
18N
0.1U L59
0.001 C189
180K
R50
3P
C325
UNR9113J
Q3 6
7P C33
UT8
R161 100K
47
R35
C233 0.001
2.2K R137
HVC350B D45
3SK318
Q37
C106 0.001 0.001 C39
UNR9114J Q10
0.001
C226
100
R152
22
R755
UNR9114J
Q5
100K
R876
1K
R157
0.001
C8
2.2M R73
2SC4738
Q40
0.001 C35
L3 0.1U
D2
5
M
A
2S111
18P C318
100P C329
4P
C48
0.5P
C97
R79
100K
Q22
2SC5085
4P
C288
R7
470K
0.001 C230
DA_STB
0.001
C294
D62
L709C E
L709CE
D61
0.001
C154
2.2K R11
R70
82K
2.2M R183
0.001 C194
0.001 C882
D3 9
MA742
1P
C166
1K
R198
D10
1SV308
0.001 C179
0.22U
L85
R33
18
R122 47K
R26 100
41-002AA-R
J22
8P
C71
ATQ206SA
RL2
100K
R206
41-002AA-R
J23
HVC375B
D46
5V
2P C84
M PZ1608S221A
EP1
45.5N
L93
7P C34
R111
22
0
UHFYGR
0.001
C81
L22
33N
6P
C296
B2B-ZR-SM4-TF
J1
1
2
3
4
0.001 C117
D63
MA2S111
HVC350B
D60
0.001 C79
0.047 C209
47K
R1
7
L32
4.7U
57.2N
L82
33P C157
R226 47K
0.001
C895
HVC375 B
D14
L65 18N
R178
15K
R116
15
0.001
C51
0
R52
R51 150
18.3N
L106
R77
22
27P C305
0.001 C937
S-AU82L
IC2
1
IN
2
VGG
3
VDD
4
OUT
0
R103
10K
R873
UU1
VU2
VV
V220
VU1
VV
L_BPF1 L_BPF2 L_BPF3 L_BPF4
R_BPF1 R_BPF2 R_BPF3 R_BPF4
L_BPF3 L_BPF4
L_BPF4
R_BPF1 R_BPF2 R_BPF3 R_BPF4
L_BPF1 L_BPF2
L_BPF3 L_BPF4
VU1
L_BPF3
V220
V220
UV
UU1
VU2
VHFYG R
8V
8V
R_BPF4
R_BPF3
VT8
TX_MUTE TX_MUTE
UTX_C
UTX_C
VTX_C
VTX_C
VATTC
UATTC
R_R5
VD5C
UD5C
R_R5
R800_R5
UATT
L_R5
L_R5
VD5
UD5
L140_R5
R140_R5
L220_R5
L300_R5
R400_R5
L400_R5
R800_R5
UT8
PL_U
UD5
R400_R5
L400_R5
L140_R5
VVI
F
UUIF
UUI
F
UUIF
FANC
L_RX140
L_RX220
L_RX300
L_RX400
R140_R5
L_BPF2 L_BPF1
L220_R5
UATTC
PCON_V
PCON_U
TX_MUTE
PL_U
R_RX140
R_RX400
R_RX400
R_RX140
DA_DATA
L_BPF4 L_BPF3
L_RX220 L_RX140 L_RX300 L_RX400
VD5C
L400_S
VATTC
L400_S
UD5C
R_BPF2
R_BPF1
UV
5VS
L5V
VD5
UD5
L300_R5
PCON_
U
PCON_V
DA_CK
(118–174 MHz)
(118–174 MHz)
(375–550 MHz)
(375–550 MHz)
(810–1000 MHz)
(260–375 MHz)
VAT T
UATT
UHFLPF
CHASSIS unit
C;7.85V
VT;0V
UT;3.90V
R;3.85V
(174–260 MHz)
UT;0V
VT;7.81V
R;0V
R;0V
UT;7.73V
VT;0V
R;4.76V
T;0V
R;4.75V
T;0V
R;4.73V
R;4.72V
UT;0V
VT;4.20V
R;4.18V
R;4.41V
VT;0V
UT;4.45V
R;3.59V
R;4.73V
T;0V
R;4.05V
T;0V
MAIN UNIT (3)
E2820̲A3format.indd 20-21 2007/04/13 17:30:01