q
w
e
r
t
y
u
i
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
!9
@0
@1
@2
@3
@4
@5
@6
@7
@8
@9
#0
#1
#2
#3
#4
#5
#6
#7
#8
#9
$0
$1
$2
$3
$4
J2
V2IF
C2 330p
C1 330p
L1
0.82u
R3 220
L9
LS-476
R385 82
R386 100
R387
82
C323 0.1
3
4
D9
MA862
1
2
R4 2.2k
C3
0.047
R5
330k
Q1
2SC4081
R7 2.2k
C6
0.047
C7 220p
C231 47p
C8 68p
L5
0.33uH
C9 220p
C309 47p
L40
0.33uH
L53 100uH
L6 100uH
C5 0.047
R6 1k
C4 0.001
L4
100uH
C10 0.047
J17
EXIF
R2 100
C338
0.1
L22
LS-476
C11 0.047
C12 0.047
R388 2.2k
R8 18k
R9
100k
R10
22
Q4
3SK131
R11
47k
C13
0.22
C14 0.047
R12 120
R504
5k
R15 100
C15 0.047
C18 0.047
L2
617PT-1026
C17 0.047
R373
2.2k
R16 2.2k
2
1
D1
MA862
4
3
R374 2.2k
C18
0.001
MIXV
Q3
DTA114EU
R26 470
C28 100
D54 RD10M
C27 0.1
C26 0.1
Q5
2SC3650
D8
MA862
3
4
2
1
L14
LS-479
C21 0.0047
R20 3.9k
C20 0.1
R21 1k
R502 NTCCF20123SH 152KCT
Q2
3SK131
C22 0.1
C23 0.0047
C25 470
C19 0.1
R18 2.2k
R19 100k
R23 100
R22 470
R24 100
L8
LS-476
J4
BFO
J3
3LO
R323
2.2k
C44 0.1
R67 2.2k
C46 0.1
L7
LS-476
FI2
SFECA
10.7MS-2A
R33 560
FI1
SFECA
10.7MS2-A
R79 3.9k
C57 0.1
R81 10k
R487 15k
R488 NCCF20123NH 153KCT
L3
617PT-1026
R80 100k
R102
22
Q15
3K131
C77 0.1
R101
120
Q14
2SC4081
R99 10k
C76 0.0047
R103
47k
R104 22k
L18
LS-476
C78 0.1
C47
0.1
1
2
3
4
D5
1SS272
C55 0.1
R73 2.2k
C54 0.1
R74
100
C53 0.1
R371
560
C313
0.1
R76 2.2k
R75 2.2k
3
2
1
4
C56 0.1
R375
10k
R78
10k
4
3
2
1
D6
MA862
R69 2.2k R70
100
C48 0.1
C52 0.1
R71 2.2k
R72 2.2k
4
3
1
2
D7
MA862
R68 10k
R77 10k
C80 15p
CARI
BYPS
SIGI
GND
8
7
6
5
C79
0.1
C81 0.1
IC8
uPC1037GR
VCC
OUT1
OUT2
NC
1
2
3
4
R107 3.3k
L23
100uH
C83 0.001
C84
0.1
Q13
XP4311
4
5
6
3
2
1
1
D11
MA862
2
4
3
C325
0.1
R127
220
FI6
SFPC455E-TC01
1
2
R389 10k
1
FI7
SFPC455E-TC01
2
3
3
C312
0.1
W11
R131 4.7k
R132 47k
3.3K ERJ3GE
R1004
C92 0.1
R128 4.7k
C91 0.1
R129
100
R108 4.7k
D13
MA862
4
3
1
2
R133 4.7k
C324
0.1
R121
470
J28
OPTION
FL-52A
2
3
1
3
FI6
SFPC455H
2
C511
0.1
R113 4.7k
R114 47k
C86 0.1
C85 0.1
R111
100
R110 4.7k
1
FI5
SFPC455H
W10
R125 4.7k
R126 47k
C90 0.1
R122 4.7k
C89 0.1
R123
100
J29
J31
J30
C87 0.1
R117
100
R116 6.8k
R115
220
1
W9
R119 4.7k
2
4
3
5
FI4
FL-65
R120 47k
C88 0.1
C24 0.1
W12
C82 0.1
R376 100
D3
MA862
1
2
4
3
Q7
XP1213
C58
2p
R82 100k
Q9
2SK882
R83 4.7k
C60 0.0047
C59 0.1
L17
LS-480
C61
0.1
R384 180
IC5
uPC1658G
5
8
6
7
SETC
IN
BYPS
BYPS
VCC
OUT
SETE
GND
4
3
2
1
R87 180
C67
0.1
L47
5.6uH
R88 100k
C320 33p
C321 4p
R89 4.7k
C68 0.0047
L21 LS-476
C70
120p
4
2
1
3
D10
1SS375
C71 120p
CP2
R94 33k
C69 0.1
R90 100
Q12
2SC4081
C72 4.7
R92
5.6k
R93 3.3k
R372
470
Q58
XP4311
1
2
3
6
5
4
R95 470
C73 0.0047
R97 22
R98 10k
C75 0.1
C74 10
R96
100
R91
47k
C62 0.1
R85
5.6k
C65 3.3
C63 0.0047
L19 100uH
R84 10
Q10
XP4601
J7
GND
+24
F1
F2
F3
F4
MI5V
SW
F2M
F1M
+8
LVDA
AGC
-8
GND
13.8
-8
GND
J5
GND
NC
13.8
NC
+5
AGC
+8
OE
GND
STBA
Mdat
Mck
STBC
GND
GND
C360
470p
C358
470p
C357
22p
C370
470p
C157 0.001
C166 0.001
C169 0.001
L29
100uH
C165 0.001
L28
HF50ACC322513-B
C161 0.001
C162 0.001
C163 0.001
C371
470p
C359
470p
C369
470p
C172 0.001
F1
F2
F3
F4
SW
F2M
F1M
L30
100uH
L31
100uH
C186 0.001
C168 0.001
GND
+24
+8
OE
STBF
STBB
Mdat
Mck
+5
GND
J6
C361
22p
C362
22p
L32
100uH
C180 0.001
FILS
MI5V
GND
FILS
MI5V
GND
F1M
F2M
+8
GND
J8
C372
22p
C373
470p
L33
100uH
L34
HF50ACC322513-B
C189 0.001
Pck
Pdat
PDE
PSTB
R342 1k
R343 47k
C188 0.001
C187 0.001
C374
470p
C170 0.001
R191 33k
R193 15k
R192 NCCF20123FH 332KCT
R194 6.8k
R195 470k
+
-
3
2
1
5
4
R199 100
IC9a
NJM4558M
C142 10
D23 1SS355
R197
2.2M
R500
NTCCF20123SH
333KCT
C141 0.001
R196
1M
R509
1k
R361 22k
R362 NTCCF20123JH 47KCT
C331 10
R406 100
SMAD
+8
MIXV
AGC
13.8
C25
0.0047
FI3b
FL-75
C50 3p
FI3a
FL-75
C30 0.1
R34
330
C33
0.01
1
2
3
4
5
6
7
8
9
10
C32 0.0047
C31 4.7
IC2 MC3356DW
RFGND
OSCE
OSCC
RFVCC
MIXD
IFVCC
LMTIN
LMTB
LMTB
QDB
RFIN
GND
DOUT
COMP
COMP
SQLS
SQLC
DET
FIL
QUAD
11
12
13
14
15
16
17
18
19
20
C34
0.01
C326
0.01
X1
CDA10.7MC4-4
R35 ERJ3GE-JPW
C37 5p
C36 0.01
L13 18uH
R40 18k
C40 470p
R41 18k
CP1
R403
10k
R37 3.9k
C39 0.022
820 ERJ3GE
0.22
R38
3.3k
R49 22k
Q61
DTC144EU
R36
R44
47k
C41 0.1
C38 0.01
R42 2.7k
R43 6.8k
R50
47k
R39 1.8k
Q5
2SC4081
R52 1k
C93
0.1
R134 47k
C94 0.1
R137 120
C95 0.0047
R136 100
Q16
3SK131
R135 470
C96 0.1
L10
LS-479
D17 1SS355
Q20
DTC144EU R393
22k
R176 10
D18
DAN222
C134 2.2
R179 470
Q23
2SA1586
R400 100k
R178 10k
C133
0.047
3
1
4
2
D14
MA862
R181
27k
R399
4.7k
/WFA
5
4
1
2
3
Q8
XP1114
D12
MA862
C354 0.1
R450 4.7k
2
1
3
4
D61
MA862
R451 4.7k
C355
0.1
C105
470p
R452
4.7K
C356 0.1
R201 100
R379 1k
C318 10
R382 100
C144 47
R380 150k
Q62
2SC4081
R381 100
C317 0.0047
C217
0.0047
R266
4.7k
R200 100k
3
2 +-
1
IC10a
NJM2904V
R204
22k
C145
0.047
R205 100k
+
-
IC10b
NJM2904V
5
6
7
R203
220k
C143
0.0047
C328 2.2
C202
470
R207
220k
C147
0.0047
C146 2.2
C206
470
C148
0.01
R411 10k
R412 10k
5
6
4
IC11b
uPD4001BG
R208
15k
C149
0.01
Q28
2SJ144
R215
10k
1
2
3
IC11a
uPD4001BG
R209 15k
12
13
11
IC11d
uPD4001BG
14
C150
0.01
R210
10k
C151 10
C152 4.7
R211 470k
R212 100k
3
2 +-
1
4
8
IC12a
NJM2904V
R214
100k
R213 10k
C154
0.47
C153
1
R216 4.7k
D26
DAN222
R217 18k
R218
470
C155 100
R221
4.7k
R220 22k
R219 470
R222
47k
+
-
5
6
7
IC12b
NJM2904V
D27
1SS355
R227
1k
R228 1.2M
C157 2.2
R226 470
R224 68k
R225
330k
4
3
1
2
D25
1SS272
8
9
10
R229 100k
IC11c
uPD4001BG
Q30
DTC144EU
Q29
XP1213
5
4
1
2
3
Q11
2SK882
PSTB
PDE
Pdat
Pck
LCT1
FILS
MI5V
SW
F4
F3
F2
F1
STBB
Mdat
Mck
STBB
Mdat
Mck
STBC
Mck
Mdat
STBA
STBA
Mdat
Mck
STBC
OE
OE
R390
47k
R391 18k
5
6
7
+
-
IC32b
NJM2904V
R370
100k
R190
100
LIAD
J1
HFIF
IF
OUT
R17 2.2k
2
1
D2
MA862
4
3
VSC
+5
GND
Pck
Pdat
POE
PSTB
LCT
+24
J9
SSB8
AM8
NRS1
NRS2
FILP
FIL1
FIL2
FIL3
FILC
(a)
(b)
SMAD
LVDA
FROM RF-C
UNIT J5
FROM MIX
UNIT J4
FROM PLL
UNIT J4
FROM PLL
UNIT J6
FROM RF-C
UNIT J4
C164 0.001
FROM CONV
UNIT J1
FROM RF-D
UNIT J3
FROM MIX
UNIT J1
FROM PLL
UNIT J1
MAIN UNIT
3
1
2
6
5
4
C66 0.1
C319 10
R106 100
R515
1
R14 10k
L20
100uH
R230 47k
DE
STBE
13.8
MTXD
MRXD
GND
GND
L+5
GND
J10
C380
0.47
L37
HF50ACC322513-B
R476 1k
R475 1k
C191 0.1
3
2
4
1
D48
DAN222
D47
1SS272
R349 47k
C364 47p
C363 47p
R350 47k
MTXD
MRXD
FROM DISP
UNIT J7
MEASUREMENT CONDITION
DIGITAL MULTIMETER:50ku/V DC
WAVEFORM:OSCILLOSCCOPE(20MHz)
DISPLAYED FREQUENCY:145MHz
MODE:FM
7.47V
2.36V
2.77V
3.3V
6.91V
0.46V
1.14V
6.94V
4.79V
NB
ON :0.53V
OFF:7.59V
2.2V
6.93V
7.58V
2.35V
5.97V
4.15V
1.14V
6.94V
5.23V
4.18V
6.01V
5.27V
3.53V
4.3V
6.86V
3.94V
6.1V
1.17V
1.19V
9.87V
13.55V
2.35V
3.55V
4.32V
3.52V
4.30V
WFM 4.31V
WFM 1.12V
6.34V
2.36V
WFM 1.34V
WFM 7.55V
4.90V
WFM
1.68V
2.35V
6.89V
CW-N:4.08V
1.13V
CW-N:4.12V
SSB
CW
AM-N
4.12V
SSB
CW
AM-N
3.49V
1.13V
AM,
FM-N
4.05V
AM
FM-N
4.10V
AM-W
FM
4.08V
3.37V
AM-W
FM
4.08V
2.34V
4.91V
3.18V
(Below 30MHz)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
33
MAIN-A UNIT
Jul. 2008
Содержание iC- r8500
Страница 1: ...SERVICE MANUAL ADDENDUM CONTENTS REPLACEMENT PAGE 5 3 PARTS LIST 1 VOLTAGE DIAGRAM 21 Jun 2011...
Страница 24: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 21 VOLTAGE DIAGRAM 23 Apr 2011...
Страница 50: ...SERVICE MANUAL ADDENDUM CONTENTS REPLACEMENT PAGES 5 5 5 6 PARTS LIST 1 VOLTAGE DIAGRAM 21 Jan 2011...
Страница 52: ...Replacement page Jan 2011 5 6 MAIN A UNIT CP2 Noise blanker check point...
Страница 79: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 21 VOLTAGE DIAGRAM 23 Sep 2010...
Страница 147: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 20 VOLTAGE DIAGRAM 22 Feb 2009...
Страница 177: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 20 VOLTAGE DIAGRAM 28 Jul 2008...
Страница 213: ...S 14318XZ C1 Nov 2006 COMMUNICATIONS RECEIVER...
Страница 220: ...4 1 SECTION 4 CIRCUIT DESCRIPTION UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 221: ...4 2 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 222: ...4 3 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 223: ...4 4 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 224: ...4 5 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 225: ...4 6 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 226: ...4 7 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 227: ...4 8 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 228: ...4 9 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 229: ...4 10 UNIT NAME MAIN MAIN A RF A RF C RF B RF D MIX MIX A CONV CONV B PLL PLL B...
Страница 230: ...5 1 SECTION 5 ADJUSTMENT PROCEDURE MAIN A PLL B PLL B MAIN A...
Страница 231: ...5 2 PLL B MAIN A...
Страница 233: ...5 4 MAIN A MIX A AND RF C UNITS CONBV B AND RF C UNITS...
Страница 234: ...5 5 MAIN A MAIN A MAIN A MAIN A MAIN A MAIN A MAIN A...
Страница 235: ...5 6 MAIN A UNIT...
Страница 236: ...5 7 RF C BPF TUNED VOLTAGE ADJUSTMENT RF C BPF...
Страница 237: ...5 8 RF C BPF TUNED VOLTAGE ADJUSTMENT continued RF C BPF...
Страница 238: ...5 9 RF C BPF...
Страница 239: ...5 10...
Страница 261: ...7 2...
Страница 262: ...7 3...
Страница 265: ...SECTION 8 SEMICONDUCTOR INFRMATION 8 1...
Страница 266: ...8 2...
Страница 286: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14318XZ C1 2006 Icom Inc...