Home > Icom > Communications receiver > Icom Ic-910h Vhf/Uhf All Mode Tranciever Service Manual

Icom Ic-910h Vhf/Uhf All Mode Tranciever Service Manual

Here you can view all the pages of manual Icom Ic-910h Vhf/Uhf All Mode Tranciever Service Manual. The Icom manuals for Communications receiver are available online for free. You can easily download all the documents as PDF.

Overview View all the pages Comments

Page 91

10 - 1
10-1 MAIN UNIT
SECTION 10 BLOCK DIAGRAMS
AF2S
AF1S
AF2M
AF1M
STLS
DSSW
DSPS
DSPM
UNFM
AGFM
AGSM
WNCM
COMS
CWVR
D96S
PIF
PHCO
PCON
MUTS
MUTM
EXTG
UPRI
430S
430M
430M
144M
UT9V
VT9V
VUT9
SW
SEND
REMOTE
COMMON LINE
LINE
RX LINE
TX LINE
DATA BUS LINE
DCON
DIN
MOD
BU4053BCFV
IC1531A
KEY
AVXL
EXTG
D96S AMPMICV
COMS
VOXL
VCA
NJM4565M
IC1654B
BU4053BCFV
IC1531C
BU4053BCFV
IC1531B CTRL
GAIN M62363FP
IC1803-5
MAIN UNIT
PIF
1750BUFF
NBSM
TONE
BU4053BCFV
IC1653A NJM2058M
IC1652C
2SC4116
Q1651
PRE-
NJM4565M...

Page 92

10 - 2
10-2 PA AND PLL UNITS
B2LO
60.4 MHz
OSC BUFFAMP AMPAMP
2SC4081 2SC4081 Q602
Q541 SC-1287 IC601
2SC5107 Q551
x2
BPFATT LPF DDS BFOM
to UX-910
30.2 MHz
COMMON LINE
LINE
RX LINE
TX LINE
DATA BUS LINE
43ULDTC144EU Q154
DET UNLOCKBFOS
ATT
ATTLPF
LPFHPF
HPF from DISPLAY BOARD
BU4094BCF IC1
DRIVERRV-148 R570
2SC4081 Q7022SC4081 Q501 (30.2 MHz)
CR-293 OPTION CR-452 X512
SC-1287 IC701
2SC5107 Q472
2SC5107 Q471
SC-1246A IC331 MA357
mPC4570 IC12A
mPB1509GV IC471DDS
DDS AMP 1/8 BUFFB1LO
348.75 MHz 
- 408.75...

Page 93

10 - 3
10-3 FRONT UNIT
S-80942ANMP-DD6 IC7 ALCL
STL SRL
KEY FRONT
RMS20-250-201-1R EP1XN58X2464 IC6
MAIN SENSOR
KEY MATRIX BUS
FRONT
KEY
FUNC BOARD
SUB
TX/RX
LED
PHIN SFVR RIVR SSVR SAVR MSVR MAVR
PHONE
JACK
VR-A BOARD
VR-B BOARD
RIT BOARD
MAIN
TX/RX
LED
COMMON LINE
LINE
RX LINE
TX LINE
DATA BUS LINESHIFT VR RIT VR SUB
RF/SQL VR SUB
AF VR MAIN
RF/SQL VR MAIN
AF VR MTL MRL
Q20
DTC114TU
Q21
DTC114TU Q18
DTC114TU
Q19
DTC114TU
IC8
TC7W08F LED
CTRL
LED
CTRL
EEPROM DRIVER
DRIVER
DRIVER MC16C/62FP IC1
CPU
MIUD...

Page 94

11  -  1
SECTION 11 WIRING DIAGRAM
12
J551
J541
30.2 P312J1
20 19 18 17 16 15 14 13 12 11 109 8 7 6 5 4 3 2 1
PLL UNIT
430M 1Lo
W305
2 1
2 1GND BFOSJ1051
2 1P701
2 1
AFSDSOM
GND
GND
DSOS
GND
NC
NC
DRES
INTS
DPST
MDTC
MCK
5V
DSPS
GND
GND
GND
IFM
GND
NC
NC 14V
14V
GND
DRES
TXS
RXS
12TP
1FOR
12PV
OPB1
-5V
PCK
PDAT
12ST
12PS
12PS
12UL
GND GND GND
IFS J1781 P1761
J2
J1802
P17814
4 32 1 4
3
2
1
1 2 3 4 5 6 7 8 9 10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
GND
GND BFOM
BFOS GND BFOM...

Page 95

12 - 1
12-1 FRONT UNIT
SECTION 12 VOLTAGE DIAGRAMS
[POWER]
J14
from MAIN
unit J1251,
J1201 to MAIN
unit J1101 to MAIN
unit J1151
7 6 5 4 3 2 1
HV 14V
MIC
MICE MSPO
PHG SSPO PHG1
HF50ACC322513-BL3 PHIN
GND
SSPO
MSPO
GND
MIC MICE +9V
MIUD2
GND AFO PTT MSQLS GND J6
109 8 7 6 5 4 3
2 10.001 C25
EP4HF50ACC322513-B L5 EP1HF50ACC322513-BL2
2.2k R60100k R59
MIC MICE MSPO PHG
0.001 C340.001
C330.001
C320.001
C310.001
C300.001 C29
0.001 C27
EP3EP2 HF50ACC322513-B
DISPLAY BOARD
L4DAP202K D1447kR61
MIUD1
MITX
43PV1...

Page 96

12 - 2
12-2 PLL UNIT
0.68mH L601
0.47mH L602
220p C601 56p C602
390p C603180p C604
180p C605 W60368p C608
3.3mH0.68mH0.47mH
3.3mH L6040.01 C609R613 2k
R614 2k
R615 2k
R616 2k
R617 2k
R618 2k
R619 2k
R620 2k R609 1k R608 1kR607 1k R606 1kR605 1k R604 1k R603 1k
PCK
PDAT
PRESBFST 220
R631
220 R630
220 R629
1k R628
C621 100p
C616 0.01
0.01 C6170.01 C615 0.01 C614
SC-1287 IC60143
CON_CLK
42
DATA
41
STRB
40
VSS
39
VDD
38
P2
37
TREE
36
P1
35
UL
34
VSS
23
24
25
26
27
28
29
30
31
32
33
22
DA8 21
DA7 20
DA6 19...

Page 97

12 - 3
12-3 PA UNIT (1)
CHASSIS J1
[VHF ANT]
W710
P501J501
to MAIN
unit J51
from PLL
unit J251J503 P510J510
to MAIN
unit J651R722
1k
D721
HSU88 C731
100pR715
47kC715
100p
C734
2p C730
6p
L721
LA-177L722
LA-177L723
LA-176R721
68 L657
LA-300C676 10p
R711
56 C671
15pC672
15pC673
2pC674
47pC67810p
AE5349 RL700 Q651
2SC5125
C684
68p
R653
10 R652
47
C669
120pC677
120p
C670
15p C667
68p C668
68p
L652
LW-9L653
LA-263
C659
50p C658
15p
C657
15pC665
56p 
HV 5V ICH ICL 14V VUMS5 VPA
PA UNIT (2) PA UNIT (1)UVBB
VCC...

Page 98

12 - 4
12-4 PA UNIT (2)
CHASSIS J2
[UHF ANT] R185
1k
D181
HSU88 C192
220p
R1702.2k
C401220p
L182
1812CS.122XKBCW180 R184
68
R186
68
R189
10kC191
10p
L180
LA-69L181
LA-69
L184
LA-252 D182
XB15A407 D184
XB15A407
D183
XB15A407
D185
XB15A407C194
0.001
C185
1p
C187
2p C173
4p
C329
2p C174
200p
C156
15pC162
39pC163
27p C165
27p
C166
47p L152
EXC-ELDR25C
R152
33
C176
0.001 Q152
2SC3102C164
39p
C158
47p
C148
47p
C153
27pL153
LA-245
R153
100 L133
EXC-ELDR25C L134
EXC-ELDR25C
C144
0.0047 C146
39pC145
7p
C91
470...

Page 99

12 - 5
UNIT (1)MAIN
0.01C14610.01C14710.01C1481
C1491 0.01
0.1C1532
0.1C1531
R1709 10k
C1724 0.1
4.7kR1708
R1681 100kC1521 0.01
CTCS
AFS AFM
CP1404 CP1403
CP1402 CP1401
C1401 0.01
C1402 0.01
MICEMIC
HV14V PHG
SSPO
MSPO CIVE
CIV DOT
DASH
h
e f
hf
L1585 100mH
OUTS PTT1 OUTM
AALC EXTGD96S DCON MSPOSSPOBAND POCVDOSTUATTVATT ALUDMICV RFGS RFGMUTU1VTU1
C1551 0.1C1552 0.1
PHGMSPO
SSPO
PHCO
ATXS
SENDRBDS ALUD MIUD AAF2 AAF1
1kR1865
eMUTM MUTS
PCONd c b
1kR18488.2kR1847
1C1850
1C1842C1827 0.1
3.3kR18950.1C1825...

Page 100

12 - 6
XP4312 Q402
1 2 34
5
61 C4822SK1829 Q406
XP4601 Q4051 2 3   4
  5
  61 2 3   4
  5
  6
0.01 C469C467 10
0.0056 C466 0.1 C465
0.0022 C464
47k R4771k R475
1.8k R474
22k R473
22kR472 22k R471
47k R47047k R469
W483
0.1 C468
R479 56k R478 220
180k R476
-5V 56k R486
10k R485 0.1 C474
680p C480 100k R498
47k R499 0.0022 C479
100k R489 10k R488
220p C476 270k R487 470p C475
NJM2058M IC451B
5 6
7
NJM2058M IC451A 4
11   3   2
1
10 C48510 C484 100 R497
100 R4961 C481
22k R495AFM
BFOM
BFOM
-5V
-5V
AFM DRES...

Start reading Icom Ic-910h Vhf/Uhf All Mode Tranciever Service Manual

Related Manuals for Icom Ic-910h Vhf/Uhf All Mode Tranciever Service Manual

All Icom manuals