Icom IC-A110EURO Service Manual Addendum page 25

Jun. 2008
SECTION 11. VOLTAGE DIAGRAM
1SV307 R447
C333
D30 0.01 1.2K
C42
0.01
Q69 T:0V
DTB123EK
R:3.77V
1SV307 C332 R438
Q3
2SC4215
D31 0.01 470
3 4 T:0V
C41 R369
R:5.9V
2 5
0.01
10K
1 6
R327
150
FI3
CFWM450D
W2 8 W25
O I
0 0
IC18 IC17
C46
1 8 8 1
2 7 7 2 R288
0.01
3 6 6 3
1K
4 5 5 4
TC4W53FU TC4W53FU
FISW
C48 C51 C53
T:0V
0.1 0.01 0.01
R:2.14V
T:0V
Q4 T:0V R:4.83V
2SC4215 R:2.13V
R35 R370 R371 R484
C47 C50
100 0.1 10K 0.1 10K 3.9K
4
V+ IC19
GND NJM2902V
R120
11
100K IC51
5 IC5 5
3 3
4 4
R234 R235 R236
C541 C543
1 1
0.1 0.1
2 2 22K 22K 22K
TA75S01F
TA75S01F
MICE
Q52
IC16
2SA1622 C110
PTTS 8 1
7 2
1
6 3
5 4
R476
C55
TC4W53FU
1K 0.01
PTT
MIC
BA3308F
J6
1
1 NC OUT 2
2 8 7
2 IN2 NC
3 EMIC 9 6
3 NF2 VCC
4 10 5
4 R340 W1 5 NF1 ALC
5 EPTT 11 4
5 NC NC
6 12 3
6 560 0 INI GND
7 13 2
7
NC OUT 1
14 1
C404 IC4
B7B-ZR
0.47
100
T1
TDA7233D
C343 +VS O UTPUT
4 5
GND SVR
3 6
R273
ST-82 MUT E -INPUT
2 7
GND +INPUT
1 8
470K
IC37
IC41
Q75
5
1 2SC408 1
470 R323
HSJ0807-01-010 4
2
J7
C206 10K
3
LA4425A
8.2K
R209 R446
47K
3 4
R8
2 5
Q53 T:0V
1 6 DTB123EK R:7.93V
SPE
RMUT
AFMUT Q100
8
SP
D1
SMUT 7
DTC144EE D1
T:7.95V 6
Q71 D2
VCS R:0V 5
D2
8V
SCK FW261
VCC Q70
SO DTB123EK
5V
BEEP
TRC
FISW
TMUT
UNLK
PSWC
PLSTB
CPU5V
SO
M ICE
SCK
• Power supply voltage: 13.75 V
MIC
R/T
PTT
• Frequency: 127.100 MHz
PTTS
SQLI
• RX signal level: 54 dBu
617DB
L89
IC52
1 6
G1 G2
2 5
C255 D1 S1
3 4
D2 S2
0.001 L91
#617DB
FI2 SPM5001
1SV307
R439 D28 R499 R500
4 1
GND IN
2 3
470 100 100
OUT GND
FL-307
IC40
1 16
OSCIN MIXIN
2 15
OSCOUT GND L90
3 14
MIXOUT N-REC
4 13
VCC N-DET W51
5 12
IFIN RSSI
6 11
DEC I FOUT 0
7 10
FILOUT QUAD
8 9
FILIN AFOUT 617DB
TA31136FNG
R184
1M
T:0V
R:0.52V
R332
T:0V
R:0.93V
120K
R333 R183
Q7 Q77 Q78
2SC4211 2SD1819A 2SD1819A
10K 1M 5 IC11
3
4
1
2
NJM2107F
IC19 IC19 IC19
9 6 2
8 7 1
R237 R238 R239 R240 R241
10 5 3
22K 22K 22K 22K 22K
NJM2902V NJM2902V NJM2902V
W2 0
0
100K 1.2M
R363 R364
C420
IC31 IC22 IC42
5 0.01 5
3 8 1 3
4 7 2 4
R122 R123
R124
1 6 3 1
TA75S01F
5 4
39K 39K 39K 2 2
TA75S01F
TC4W53FU
4
3
2 5
R114 1 6
0.001
IC13
C579
1 16
NTCG16 RSTN MDT
2 15
ADRS 1 MCK
3 14
R188 ADRS 2 MLEN
4 13
DVDD DVSS
5 12
47K LOUT ROUT
6 11
LIN RIN
7 10
AVDD AVSS
C354
10 8 9
VRL VRR
0.1 C580 0.022
SM6451B C581
D TC144EU
Q81
R432
C507
0.1 56K
R488
10K
R492 R489
27K 10K
C:10.44V
IC29
BA08FP
3 4 C:5.00V
R127
IO
2 5
G 10K
1 6
SMUT
470 YXG
C505
HK-08S070
D66 R434 R440
1
S1
2
G1 SB07-03C DTC144EU 10K 10K
3
S2 Q101 Q96
4 AFMUT DTC144EU
G2
D62
D TC144EU AFMUT Q97
SB07-03C
C:10.45V
W3 5
0
PSWC
W3 9 W4 0 W4 1
MP 3
0 0 0
9
R377
C31
LS-527 LS-527
0.5P 22
L11 L10
Q1
C33
3SK293
5P
R20 R19
220K 220K
2SK3074
R474
0.001 C91 L19 C98 L22
Q20
15P
C34 0.001 39N 47N 4.7
Q21
2SK3075
C87
15P
R79
C82 C472 D11
Q42
2SC4226
0.001 470 0.001 MA7 7
SQLI
CP06S
CP1
R/T
1 5
8V
2
2.2K
34
R63
Q79
2SK880
R301
R61*
R62*
22K
C153
1
T:0V T:0V
R:6.04V R:2.96V
RMUT
TRC
C423
6P
C426
Q83 Q84
2SC4215 2SC421 5
20P
R132 W4 7
BEEP
10K 0
R64
100K
RMUT
X1
Q80 1 4
NC VCC
DTA144EU AFMUT
2 3
GND OUT
SO CR-658A
SCK
VCS
UNLK
SCK
SO
PLSTB
2SB1132
Q23
Q22
2SC421 1
MA111 TMUT
D15
CPU5V
C:5.00V
TRC
R280
W3 3
0 10K
C:10.1V
L60
Q87
2SK2414
10U
L53
IC15
1 8
SWC DRV
2 7
SW E IPK
3 6
TIM VCC
4 5
GND INV
Q88 MC33063ADG
2SK2414
MP 4
C358 C23 C342 C165 C10 1SV271 C362
8P 0.75P 0.001 6P D38 0.001
47P
220K
L9
R9
LS-527
M A2S111
D53 D54
M A2S111
R473
180
LA-232 LA-382
M RF137
R468
L23 C418 L67 L35 L68 L69 C520 L70 L71
23.5N 0.001 23N 12N 6.5N 12N 270P 4.7 Q51
R469
4.7
R221 R219
15K 39
C:13.53V
L87 C72
Q15
2SC422 8
56N 20P
W2 9
0
T:7.05V
R:0.54V
L39 R194 2.7K
0.82U
R451
Q44
4.7
2SC4226
T:0V T:1.03V
R:7.09V R:0V
HVU350B
L33 C195* C538*
0.82U D64
W3 7
R256
L43
0.82U 2.7K
R460 CP06S
Q59
4.7 CP11
2SC4226
C286
0.5P
HK-08S070
L42 HVU350B C545 C547 C546 C391
Q43
2SC4226
0.82U D65 12P 24P 9P 0.5P L62
L81
ZBFS5105
W48
TB31207AFNG
0
CP2 FIN2
9 8
GND BS2 W49 W3 8
10 7
LD BS1
11 6
BO STB 0 0
12 5
XOUT DATA
13 4
XIN CLK
14 3
VCC GND
15 2
CP1 FIN1
16 1
IC2
C68
Q12
2SC440 3
0.001
R404
IC48
C120 2.2K
8 1
7 2
0.47
6 3
5 4
TC4W53FU
R442 L65
10K 10U
IC45
C446 1 8
UPC311G 2
2 7
3 6
330P
R412
5 4 4 5
6 3
10K W54
7 2 NJM072BM
8 1 0
W53
IC44
0
W52 R393
0
15K
*; Refer to SECTION 6 for the value or component name.
L5 L4 C6 L3 L2 L48
LA-244 LA-244 0.001 LA-263
LA-253 LA-243
C4 C2 C330
1.5P 5P 9P
J1
MR-DSE-01
W2
1
ERDS2T0
R1
L7
LW-25 100
LA-262 LA-235
L50 L6
L75 R152
0.82U
100
R429
10K
T:1.69V
R424
C :0V
100K 5
IC50 3
2SC408 1
4
R426 R425
1
22K 2
47K
Q11 TA75S01F
2SC411 6
R430
12K
Q99
W3 2
0
W3 6
CP12 L80
ZBFS5105
CP06S
HK-08S07 0
HK-08S070
L63 L64
Q93
2SK2414
IC47
20 1
BHO BHB
19 2
BHS BHI
18 3
BLO DIS
Q92 17 4
BLS VSS
2SK2414 16 5
VDD BL I
15 6
FI5
VCC ALI
ACF321825 14 7
ALS AHI
13 8
ALO HDEL
12 9
AHS LDEL
11 10
AHO AHB
H IP4081AIBZ
DE5SC6M 2SK2414
C:39.7V
Q91
D56
150K 150K
C:5.03V
R472
ZBFS5105
IC26
100K
TA78L05 F
2SC4081
R471
O I
G 22K
Q102
L79
ZBFS5105
C:13.72V
FI6
1 3
B PSG
2 4
CB CG
Q89
XP1501
BNX-002
CP24VR
CP3
CP24VR
CP4