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12 - 3
12-3 PA UNIT (1)
CHASSIS J1
[VHF ANT]
W710
P501
J501
to MAIN
unit J51
from PLL
unit J251
J503
P510
J510
to MAIN
unit J651
R722
1k
D721
HSU88
C731
100p
R715
47k
C715
100p
C734
2p
C730
6p
L721
LA-177
L722
LA-177
L723
LA-176
R721
68
L657
LA-300
C676 10p
R711
56
C671
15p
C672
15p
C673
2p
C674
47p
C678 10p
AE5349
RL700
Q651
2SC5125
C684
68p
R653
10
R652
47
C669
120p
C677
120p
C670
15p
C667
68p
C668
68p
L652
LW-9
L653
LA-263
C659
50p
C658
15p
C657
15p
C665
56p
HV
5V
ICH
ICL
14V
VUMS5
VPA
PA UNIT (2)
PA UNIT (1)
UVBB
VCC
PAHV
VYGR
UTU2
BAND
VFOR
VREF
PRV
VT9V
5VL
UT9L
VPA
PAHV
UT9L
UVBB
VCC
VT9V
C691
0.001
R151
470
R150
EVN-2ACA00B23
Q656
CPH3404
R651
470
C167
0.001
C650
0.001
C651
0.001
Q650
2SD1585K
C693 0.001
C656
22p
R650
EVN-2ACA00B23
Q658
CPH3404
C694
0.001
C692 0.001
D680
1SS301
C690
0.001
C649
0.001
L654
LA-263
C661
56p
L651
EXC-ELDR25C
VARISTOR-C BOARD
C654
0.001
C655
0.001
C653
0.001
C652
0.001
J651
V-C1
V-C2
L658
EXC-ELDR25C
L655
LA-179
L656
LW-33
Q652
2SC5125
C680
0.047
C685
68p
R654
47
R656
33
R658
1k
R657
1k
D1 MA29B
C1 0.001
VARISTOR-A BOARD
J652
V-A2
V-A1
MA29B
VARISTOR-B BOARD
J653
D1
D1
MA29B
C663
68p
C664
68p
C681
2.2
C687
220p
C688
0.0047
C689
0.1
C679
220p
C701
0.001
R710
56
R713
56
6
5
4
3
2
1
Q700
XP4312
C682
220p
C683
470
C697
0.001
C696
47
C686
470
R716
47k
C716 100p
Q702
2SB1132
C724
1.5p
C722
1.5p
Q703
DTC114EU
R702
68k
C703
0.001
C729
6p
R703
680
C726 3p
C704
0.1
C702 220p
L701
HF50ACC322513-B
C721
15p
C723
33p
C728
10p
C725
18p
C733
0.001
R724
1k
R725
6.8k
D720
HSU88
C732
100p
L720
1812CS.122XKBC
R723
82
VFOR
VPRI
VT9V
VREF
R726
3.3k
C710
0.001
C707
470p
C706
470p
C708
0.001
14PV
PRV
R718
470
1
2
3
4
5
D710
1SV265
R712
100
C711
0.001
C712
0.001
R732
1k
R733
680
R734
8.2k
R731
150k
VIN 1
VC 2
VO 3
VADJ 4
GND 5
IC701
PQ20VZ51
C717
470p
C719
470p
C705 10
C718
470p
L710
1.2
µ
H
1.2
µ
H
R573
820
C648
2.5p
C644
0.5p
C645
0.5p
C646
0.001
C606
0.001
C675
0.001
1
4
6
2 3 5
IC501
µ
PC2709T
R562
820
R531
820
R563
5.6
C641
2.5p
C642
220p
Q653
DTC114EU
Q654
DTC114EU
C517
2.5p
C516 220p
C515
0.3p
C932
0.001
0.001
L502
LS-145
R513
NTCCM16083NH221KC
C512
2p
C513
220p
C514
0.5p
C931
0.001
C503
100p
C504
33p
C506
0.001
Q501
2SK302
R507
100k
R516
47
R503
RV-152
D502
1SV286
W559
R559 47
W557
W558
W520
W513
W521
R504
RV-143
C509
22p
L501
LS-164
VYGR
VUMS5
14V
ICL
ICH
5V
HV
VREF
VFOR
UTU2
BAND
PRV
5VL
R501
1k
C501
0.0047
D520 MA77
L503 0.47
µ
H
D501 MA77
BAND
VSUB
V MAIN
VYGR
VT9V
PAHV
VCC
UT9L
UVBB
VPA
C507
0.001
R506
100k
C502
0.0047
C525
15p
C524
15p
R502
560
C520
0.001
C511
0.001
C541
0.001
C572
0.001
C544
0.001
C505
33p
Q502
2SK302
R521 1k
D508 MA77
C594
0.001
C523
0.1
R508
22
C510 22p
C518
560p
R514
120
R509
100k
D503
1SV286
L533
92nH
C522
0.001
C903
470p
C904
470p
R510
100k
C521
0.001
L504
92nH
D504
1SV286
C529
0.001
L507
2.2
µ
H
6
5
4
3
2
1
Q503
XP4312
C905
470p
C906
0.001
C907
0.001
C526
0.01
L506
1
µ
H
D641
1SV286
L641
92nH
R641
100k
C643
0.001
R642
100k
C647 0.001
L642
92nH
C537
0.001
D642
1SV286
R717
470
C713
0.001
L711
D514
HSM88AS
C562
0.001
D515
1SV237
Q510
DTC144EU
C563
0.001
EP564
EP911
R528
100k
R526 68
C559
0.001
R529
100k
C558 0.001
C556 0.001
C561
100p
L561
15nH
L560
92nH
C560
15p
D513
1SV217
R527
27k
R525
27
Q507
3SK177
EP568
C543
0.001
C554
12p
D512
1SV217
R556
1.8k
R524
100k
L515 107nH
C555
0.001
R523
100k
C552
0.75p
C550
15p
D511
1SV217
L514
107nH
C549
0.5p
C547
15p
D510
1SV217
R522
100k
L512
2.2
µ
H
C545
0.001
C609
15p
L516 22nH
L513
92nH
C596
0.001
EP567
EP563
EP561
EP569
EP2
V-B1
V-B2
EP2
C614
47p
C917
0.001
C631
100p
EP566
D507
MA77
Q506
DTC144EU
C618
47p
C573
0.001
C616
47p
C571
0.001
C542
0.0047
C570
0.001
R520
1k
C540 0.0047
D509 MA77
Q508
DTC144EU
Q505
DTC144EU
R546
4.7k
C918
0.001
C598
0.001
EP565
EP517
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J504
C595 0.001
EP562
14V
GND
VT9V
VR9V
VATT
VPRI
VUTP
14PV
HV
VTU2
VTU1
UTU2
GND
VUMS5
to MAIN
unit J1301
BAND
C915
0.001
C913 0.001
C914 0.001
C921 0.001
C916 0.001
C912 0.001
ICH
ICL
NC1
GND
VT9V
VR9V
VATT
VPRI
VUTP
14PV
HV
VTU2
VTU1
UTU2
GND
BAND
ICH
ICL
5VL
5V_L510
5V
C619
47p
L517
2.2
µ
H
C920
0.001
C575
0.001
R615
NTCCM16084LH
C83
47p
C922
0.001
C84
0.001
C198
0.001
C538
0.001
R541
47
C588
0.001
C586 0.0047
L521
LS-228
L631 0.22
µ
H
0.12
µ
H
C632
47p
L632
R631
47
C566
0.001
R543
470
C592
0.001
Q511
2SK1740
C611
15p
C608 5p
C612 5p
C610
12p
L528
0.15
µ
H
L529
68nH
C607
33p
C613 10p
C567
0.001
C568
0.001
C569
0.001
C597
0.001
C565
0.001
C564
0.001
C714
0.001
C940
0.001
R530
470
Q515
2SC2712
R535 47k
R534
1k
D532
1SS355
VTU2
R544
470
C593
0.001
R545
470
C591
0.001
Q512
2SK1740
C590
120p
L522
617PT-1026
C587
0.0047
R540
2.2k
R539
560
C589
0.0047
D517
MA77
D516
MA77
D518
MA77
R547 RV-150
R538
3.3k
R588
1k
R589
47
C584
10p
L520
39nH
L519
39nH
L510
HF50ACC322513-B
L600
39nH
L601
47nH
L581
82nH
L621
47nH
L620
68nH
C582
33p
C581
0.001
C579
0.001
C578
0.001
C621
27p
C620
22p
L518
1
µ
H
1
4
6
2 3 5
IC502
µ
PC2710
C580
0.001
C585
12p
R537
270
R585
18
R587
680
R586
270
C583
20p
C601
2.5p
C600
3.5p
C604
24p
C603
39p
C602
22p
R616 22k
R617 33k
144M 1Lo
R584
39
R583
150
R536
150
5V_L510
5V_L510
13.80
UHF TX:9.07
other :0
VHF TX:0.677
other :0
VHF TX:0.672
other :0
VHF TX:12.83
other :0
12.56
2.41
13.73
12.56
PREAMP ON,VHF TX:12.47
PREAMP ON,UHF TX:11.81
PREAMP ON,RX :11.81
other :12.47
13.80
VHF RX(VHF ATT ON) :12.55
ATT OFF and except above :0
VHF RX(VHF ATT ON) :1.532
ATT OFF and except above :0
VHF TX:0
other :9.02
VHF TX:0
other :8.64
VHF TX:0.58
other :0
VHF TX:6.70
other :0
VHF TX:0
other :5.75
VHF TX:5.60
other :0
4.84
VHF TX:0
other :5.56
VHF SUB:4.48
other :0
VHF SUB:4.65
other :0
VHF TX:9.1
other :0
0
VHF TX:4.62
other :0
VHF TX:9.13
other :0
13.0
2.75
0
VHF TX:0
other :1.89
VHF TX:0
other :0.902
VHF ATT OFF :0
VHF TX(VHF ATT ON):0.87
other :4.35
VHF RX(VHF ATT ON) :3.64
ATT OFF and except above :0
1.256
VHF TX:1.329
UHF TX:1.379
other :0
VHF TX:0.684
UHF TX:0.729
other :0
VHF TX :5.90
VHF MAIN-RX:4.47
other :0
VHF SUB :5.44
TX(except above):0
RX(except above):0.131
VHF TX:0
VHF RX:5.25
other :0.13
VHF TX:9.01
other :0
MEASUREMENT CONDITIONS
VHF:144MHz,FM
UHF:440MHz,FM
DIGITALMULTIMETER
Unit:Volt
Содержание IC-910H
Страница 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 23 SCHEMATIC DIAGRAM 33 Nov 2008 ...
Страница 26: ...Nov 2008 25 DISPLAY UNIT TOP VIEW The combination of top side and bottom side of this ...
Страница 33: ...Nov 2008 32 MAIN UNIT BOT VIEW The combination of top side and bottom side of this ...
Страница 41: ...SERVICE MANUAL VHF UHF ALL MODE TRANSCEIVER i910H ...
Страница 118: ...9 2 BOTTOM VIEW RIT BOARD BOTTOM VIEW VR A BOARD BOTTOM VIEW VR B BOARD ...
Страница 121: ...9 5 9 11 DISPLAY BOARD TOP VIEW 8 5 1 4 1 8 16 9 1 8 16 9 1 8 16 9 ...
Страница 124: ...9 8 BOTTOM VIEW PA UNIT 1 3 4 6 1 3 4 6 ...
Страница 126: ...9 10 BOTTOM VIEW PLL UNIT R341 MP11 ...
Страница 130: ...9 14 BOTTOM VIEW UX 910 MAIN UNIT 1 4 8 5 ...
Страница 144: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13714HZ C1 2001 Icom Inc ...