Icom ID-31A Service Manual page 39

• MAIN UNIT (2/2)
TTEMP
3VS
VCC-I
Q37
2SA1832
5VS T5
R176
4.61V
6.8
R163
1K
T3C_INV
C197 C203
D17
0.1 0.001
L1SS400
C183
D21
D20
33P
RKP300KJ RKP300KJ
R180
R174 1K R183
1K 1K
R181
Q48
R3 10K
2SC5006
C329
5P
1.57V
C189
0.001
R178
1M
TX:0.73V
3
R169
22K
1
ISET1
TX:0.44V
TX:0.77V
ISET2
PSET
3.03V
C195
C182
3P
4P
C169
Q38
0.001
0.61V
2SC4738
FM:0.0V
FM-N:DV:3.21V
Q36
DRA9114T
C180 C190
R161
R167 0.001
0.1
10K
10K
C187
0.1
C170
FI1
0.1 C174
CFWKA450KHFA
0.1
R172
O I
150K
C331
R162
100P R168
10K
10K
C171 FI2
0.1 C175
LTWC450E1
0.1
O I
R170
12K
R160
12K
EP16
MPZ1608S101A
7.23V
C242
EP14 1
C200
MMZ2012Y102B
0.001
C216
0.001
L17
ELJRE
R186
C206
8.2K
0.01 TX:1.71V
Q41
C217
C220 C361 RFM01U7P
0.001 18P C236
0.001
15P
C204
Q39
0.001
2SC5998
R201 R210
47 0
R192
390
R202
TX:0.66V 47K
C225 C229
0.1
R187 0.001
R184
100 R213
1.5K
100
C237
0.001
EP15
MMZ1005Y102CT
TX:0.77V
IC12
TA75S01F
5
R191
1M
4
TX:2.34V
R203
2 560K
C215
0.01
TX:0.62V
C231
IC14
0.01
LM2904PWR
TX:0.47V
1 8
2 7
3 6
4 5
R189
22K R194
R206
33K
15K
C207 C230
0.01 0.01
BPF3
TX:0.58V
C234 R207
0.01 15K
Q43
LDTC144EE
IC13
C235
NJM2591V
0.01
1 16
OSCIN MIXIN
2 15 R195
OSCOUT GND C240
3 14 1.8K
MIXOUT NOISEREC 0.01
2.54V
4 13
V+ NOISEDET
5 12
IFIN RSSI
Q44
6 11
DEC IFOUT
2SC4226
7 10
FILOUT QUAD
8 9
FILIN AFOUT
3.22V
C212
0.001
Q40
2SC4738
R220
NTCG10
C251
0.001
L21
0.40-1.5-5TL
L24 C272 D24
L22
0.40-0.9-2TL 0.001 HVD144A
0.40-0.9-2TL
TX:1.48V
MP8 D25
2888 HVD144A
Q45
RFM12U7X
L42
EP17 L25
R224
MLK1005S
MMZ1005Y102CT 330 MLF1608D
C261
R223
0.001
2.2K
C269
0.001
R218
C252 15K
0.001
R216
10K
3.22V
3.07V
0.74V Q46
C253 R268 BB506C
0.01
330
C337
0.01
D34
R258
DA2S10100L
100K
Q50 Q49
2SC4738 2SC4738
L29 L32 L34
C298
0.40-0.9-2TL 0.30-0.9-5TL 0.30-0.9-6TR
0.001
C307
0.5P
C303
2P
C302 C306
3.5P 8P
C350
0.5P
C278
0.3P
R236
C282 C287
47K
0.001
0.001
C294
0.001
L30
R239
MLK1005S
0
1.46V
C279 C286
C292 C304 C310
12P 1P 1P 1P
68P
C273
0.001
C301
C293 1P
1P
2.75V 2.66V
*: Refer to the PARTS LIST for the value and name of component.
11 - 4
J500
1
R242
82K
C312
4P
TX:0.74V
C319
RX:0.04V
0.001
L36
R249
LQW18AN22NG00
330
C315
1P
3.22V
3.05V
3.17V
1.35V
L44 C320 C324 C326
100P 3P 100P
LQW18AN27NG00
Q47
C325
BB506C
5P
2.89V