![background image](http://html2.mh-extra.com/html/icom/d-star-id-4100a/d-star-id-4100a_service-manual_3516963038.webp)
220k
R227
330k
R242
0.001
C250
2P
C235
R209
27k
0.001
C317
220k
R245
Q36
MT3S20TU
R175
22
15P
C371
2P
C264
FAN
MF1
1SV308
D70
Q38
2SC5108
27P
C390
0.001
C414
4.7k
R232
R158
4.7k
2SA1362
Q34
1SV308
D69
LDTC114YE
Q27
Q41
MT3S20P
D59
LRB706F
27P
C386
1k
R136
C216
0.001
0.001
C376
1k
R236
R138
4.7k
0.001
C372
1SV308
D71
R187
33
47
C218
R146
150
4.7k
R150
0.001
C899
0.001
C419
0.001
C210
3P
C257
0.001
C423
R257
82k
1
2
2SB1132G
Q30
0.001
C276
12P
C359
0.001
C417
R173
3.9k
R155
330
D66
JDP2S12CR
0.001
C275
33P
C392
120
R269
2SA1586
Q31
L81
1U
68
R168
1SV308
D75
3.9k
R265
100
R149
120
R266
33P
C220
R197
270
0.1
C227
AS080340
L86
18P
C215
0.001
C279
0.001
C213
D62
LRB706F
1.5
R129
R165
680
0.001
C424
0.001
C304
0.001
C277
7P
C396
18N
L124
UTX_C
AS080647
L68
1.8k
R78
0.001
C367
10k
R264
JDP2S12CR
D73
27P
C406
AS080440
L88
Q40
MT3S20P
12P
C302
680k
R215
2SC5108
Q37
1k
R128
0.047
C336
1SV308
D77
0.001
C229
10k
R225
0.001
C324
R164
3.9k
0.001
C41
1
57.2N
L85
CTH30V222S15A
C285
2.2k
R226
0.001
C278
3P
C282
D81
L1SS400
0.1
C389
L1SS400
D47
2.2
C320
LOOUT
2SA1362
Q28
R147
39
L1SS400
D48
0.001
C360
100
R137
AS080647
L80
560
R262
C422
0.001
18P
C225
100
R211
0.001
C219
L64
27N
0.001
C369
MPZ1608S221A
EP409
0.001
C266
0.001
C241
2.2
C348
L67
AS080647
0.33U
L49
0.001
C385
LDTA144EE
Q46
0.001
C296
0.001
C265
L55
47N
150
R239
0.001
C226
1.8k
R217
AS100340
L90
27P
C394
3P
C251
AS080547
L87
0.001
C252
L60
39N
56N
L54
0.001
C431
R156
15
R194
270
7P
C231
24P
C274
33k
R237
R185
220
AS080647
L79
R162
330
12.1N
L92
R186
22
R177
18
0.001
C373
R189
220
150
R233
R229
22k
0.001
C407
L65
18N
L76
1U
0.001
C377
0.001
C354
15P
C291
BAP50
D31
0.1
C234
10P
C243
2.2k
R250
0.001
C398
R184
680
AS080440
L84
39N
L52
D67
LRB706F
10k
R246
33P
C267
PRF18
R252
0
R270
VTX_C
0.001
C352
15P
C378
JDP2S12CR
D84
0.001
C237
1.8k
R77
0.001
C416
100k
R135
0.001
C333
5P
C232
R183
4.7k
0.001
C209
R195
18
0.001
C346
0.001
C208
0.001
C383
0.001
C364
0.1
C341
D68
JDP2S12CR
LDTC114YE
Q32
0.001
C379
L57
33N
0
R271
R133
10k
12P
C323
R224
22k
0.001
C233
6.2P
C418
0.001
C306
0.001
C228
AS080440
L94
0.01
C399
0.001
C214
0.001
C343
47k
R142
7P
C408
0.001
C273
47k
R134
R172
15
10P
C332
0.001
C288
R170
220
0.001
C340
0.001
C325
L58
18N
33k
R251
33P
C429
NJM2904CV
IC2
2
3
1
AS100340
L96
330k
R256
100k
R202
0
R203
0.001
C425
2P
C413
1k
R132
330
R218
2SC4738
Q29
1k
R140
0.001
C365
AS080747
L83
6P
C402
AS080440
L73
100
R230
D63
LRB706F
8P
C395
0.047
C384
L62
18N
NJM2904CV
IC2
6
5
7
1k
R214
5P
C391
4P
C430
0.001
C421
L50
56N
R174
1k
1SV308
D52
J2
1
2
J1
1
2
3
4
CTH30V222S15A
C305
0.001
C222
LDTA144EE
Q48
100k
R247
5P
C387
MPZ1608S221A
EP1
1P
C301
33P
C297
R159
1k
1P
C322
33P
C381
0.001
C370
R241
15k
0.001
C356
1P
C358
D55
L1SS400
NJM2904CV
IC2
V+
8
GND
4
1P
C326
0.001
C382
27P
C405
D79
L1SS400
AS080340
L69
BAP50
D33
D53
L1SS400
PRF18
R234
0.001
C293
L51
56N
0.001
C400
12P
C245
0.001
C420
3P
C409
C426
0.001
3.9k
R249
27P
C244
3P
C428
R163
220
1P
C331
0.001
C338
15P
C401
0.001
C21
1
0.001
C221
0.001
C280
0.001
C397
6P
C281
RJ20S0OHM
W1
R151
150
10P
C268
L53
18N
0.001
C238
DZ2J082M
D49
220
R160
1SV308
D50
0.001
C299
*IC3
1
RF INPUT
2
GA
TE BIAS
3
DRAIN BIAS
4
RF OUTPUT
*IC4
1
PIN
2
VGG
3
VDD
4
POUT
C432
0.001
9P
C363
2P
C310
2P
C319
2P
C329
1.5P
C350
MMZ1608Y102BT
EP2
TX_MUTE
TX_MUTE
FA
N
C
PCON_U
PCON_V
8V
ATT
ATT
CHASSIS unit
HV
8V
FANHV
8.1 V
13.7 V
TX : 0.9 V
TX : 0.6 V
TX : 1.0 V
TX High Power
12.8 V
TX Power
TX Power
13.7 V
FAN Speed
FAST : 12.8 V
MID : 10.7 V
SLOW : 9.0 V
TX : 6.3 V
TX : 1.0 V
TX : 1.6 V
8.1 V
TX : 5.1 V
TX : 0.7 V
TX : 6.1 V
TX : 0.7 V
TX High Power
12.8 V
RX : 0 V
TX : 8.0 V
MID : 2.5 V
LOW : 2.3 V
HIGH : 3.3 V
MID : 4.0 V
LOW : 3.7 V
HIGH : 4.6 V
RX : 0 V
TX : 8.0 V
10-3
• MAIN UNIT (2/8)
*
Refer to the PARTS LIST for the value and name of component.