L26
LS-450
D62
DAN222
4
D16 1SS355
3
1
2
Q65
2SK882
C97
0.1
C98
0.1
R507
3.3k
R387
10k
R138
NTCCF20123FH
R139
3k
C99
0.1
R143
120
R142
100
Q17
3SK131
C102
0.1
R140
47k
R141
470
R368
2.2k
L25
LS-451
C101
0.1
R144
100k
C103
0.1
R145
15k
R490
NCCF20123BH
L24
470uH
Q21
2SA1586
C135
10
R180
10k
R401
82k
R183
3.3k
R477
2.2k
R478
NTCCF20123FH
222KCT
R182
8.2k
R184
2.2M
C138
0.22
CP4
R187
1k
R503
220
C137
2.2
C136
0.1
Q25
DTA114EU
Q60
DTC144EU
R392
47k
Q27
2SC4081
R454
4.7k
R188
68k
C139
100p
C140
47
4
3
2
1
D19
1SS272
4
5
3
2
1
Q25
XP1213
D21
DAN222
R186
10k
R394
10k
C335
0.1
R152
220k
Q18
2SC4081
R154
1k
C114
150p
C113
0.1
R153
470
C111
220p
R418
47k
R421
820
R417
47k
R420
220
R337
0.1
R419
680
Q64
2SC4681
R335
0.1
C112
0.1
R150
1.8k
R162
47k
C119
0.1
1
2
3
4
5
6
7
8
CRYSTAL
CRYSTAL
MIXER
VCC
LIMIT
DECOUP
LIMIT
QUAD
IC8 MC3372SVM
MIXER
GND
MUTE
METER
SQUELCH
FILTER
FILTER
AUDIO
16
15
14
13
12
11
10
9
R318
470k
C283
220p
C282
22p
R316
1k
C281
470p
C330
0.001
R404
470
R508
4.7k
C383
0.0047
R317
1k
R480
4.7k
R163
100k
C126
0.01
C367
0.1
R164
10k
R165
10k
C127
0.033
C128
0.033
R413
56k
C332
0.01
R166
10k
C333
0.022
R414
3.9K
C334
0.022
R415
470k
3
2
+
-
1
8
4
IC32a
NJM2904V
C129
0.1
R157
10k
FI-8
FI+8
AFFM
C121
0.1
R364
100k
R319
1.8k
C284 0.01
5
6
7
+
-
IC9b
NJM4558M
R322
100k
R320
2.7k
R329
10k
Q59
DTC144EU
FIL2
C285
0.0047
D20
1SS375
R169
10k
Q74
DTC144EU
C384
1
R168
22k
R511
22k
R512
3.9k
C130
0.1
R170
10k
+
-
4
1
8
3
2
C131
10
IC4a
NJM2904V
R174 10k
R497
4.7k
R498
15k
R60
300k
R59
100k
R58
2.7k
R61
330k
R56
47k
R57
NTCCF20124AH
473KCT
R55
39k
-
+
5
6
7
IC4b
NJM2904V
R62
470k
C45
0.1
R234
100k
R65
100k
C43
0.1
CP5
C158
10
R231
22k
R232
18k
R233
50k
R235
100k
+
-
6
5
7
4
8
IC13a
NJM2904V
2
3
1
+
-
IC13b
NJM2904V
R236
100
C159
10
R237
10k
C160
0.0047
Q70
DTC144EU
D28
DAN222
Q31
DTC144EU
R238
47k
CP3
8
7
6
5
C106
0.1
IC7 uPC1037GR
CARI
BYPS
SIGI
GND
VCC
OUT1
OUT2
NC
1
2
3
4
C107
0.1
R151 100
R146
3.3k
R147
6.8k
C110
0.0047
C109
0.1
R148
6.8k
C106
0.0047
R149
10k
R150
18k
STOP
L49
100uH
C339
10
R426
100
C340
0.1
L50
100uH
R427
1k
C342
0.0012
R428
100k
C341
47p
R432
680
C345
0.1
R429
220
R430
47k
C347
0.1
R433
470
R431
18k
C346
47p
Q66
2SC4081
L51
100uH
C343
10
C344
47p
C348
220p
12
13
11
R437 2.2M
8
9
10
R435 2.2M
R436
100
R438
100
IC40c
TC74HC86AF
IC40d
TC74HC86AF
2
3
D
CK
Q
Q
PR
G
IC41a
TC74HC74AF
5
6
7
4
1
14
7
2
1
3
4
5
6
IC40b
TC74HC86AF
IC40a
TC74HC86AF
C375
0.1
R439
47k
C381
0.1
D59
1SS355
C349
0.0047
R441
100
D
CK
Q
Q
PR
CLR
13
10
12
11
9
8
IC41b
TC74HC74AF
R442
220k
R443
47k
C350
0.0047
4
5
6
3
2
1
Q69 XP4311
R444
2.2k
C351
0.0047
D60
1SS355
R445
1k
Q67
2SC4081
STRB
DATA
CLK
Q1
Q2
Q3
Q4
VSS
IC16 BU4094BCF
VDD
DENA
Q5
Q6
Q7
Q8
Q'S
QS
MST3 1
Mdat 2
Mck 3
4
5
6
7
8
9
10
11
12
13
14
15
16
C196
0.01
3
2
1
4
5
Q34 XP1213
Q32
DAT114EU
NRS1
NRS2
3
2
1
Q33 XP1213
4
5
FILP
FILC
ISW1
ISW2
IFBK
AGCF
STRB
DATA
CLK
Q1
Q2
Q3
Q4
VSS
IC18 BU4094BCF
VDD
DENA
Q5
Q6
Q7
Q8
Q'S
QS
MST2 1
Mdat 2
Mck 3
4
5
6
7
8
9
10
11
12
13
14
15
16
FTIS
SW
F4
F3
F2
F1
C197
0.01
Q35
RN2427
D55
1SS355
Q36
DTC144EU
16
15
14
STRB
DATA
CLK
Q1
Q2
Q3
Q4
VSS
IC15 BU4094BCF
VDD
DENA
Q5
Q6
Q7
Q8
Q'S
QS
MST1 1
Mdat 2
Mck 3
4
5
6
7
8
9
10
11
12
13
C120
0.1
R161
1.8k
R315
1.5k
C123
100p
C122
0.1
X2
CDBC455CX16-TC
AFSB
AFWF
C104
220p
R495
470
C115
0.0047
D15
1SS375
R155
1k
R157
68k
R156
100k
R324
100
C115
0.1
C322
0.0047
R158
6.8k
C117
0.0047
C118
0.1
R383
8.2k
R159
10k
Q44 XP1213
Q37 XP1213
Q40 XP1213
Q42 XP1213
Q45 XP1114
Q41 XP1114
Q43 XP1114
Q39
RN2427
Q56
DTA114EU
R246
220
FIL1
FIL2
FIL3
FILG
1
2
4
3
D44
1SS272
Q55
DTA114EU
R416
100k
R247
22k
IC19a
BU4066BCF
2
1
13
AFSB
D32
DAN222
IC19d
BU4066BCF
8
6
AFWF
9
R398
22k
R397
22k
4
5
IC19c
BU4066BCF
AFFM
3
AFAM
IC19b
BU4066BCF
10
11
12
B
A
G C
7
R396
2.2k
R424
100k
14
C222
0.01
D63
DAN222
Q63
DTC144EU
D31
DAN222
C203
0.0047
D33
1SS355
8
7
6
5
1
2
3
4
IC43 TC4W53F
R514
470
C385
4.7
R513
47k
Q75
DTC144EU
R173
10k
R499
NTCCF20123NH
153KCT
R175
22k
C386
0.1
+8
C132
0.1
C352
2.2
Q68
DTC144EU
C353
0.22
R446
100
R447
5k
R448
22k
MST2
Mdat
Mck
DE
MST1
MST3
Q54 XP1213
ISW1
ISW2
1
2
3
5
4
R297
47k
R395 22k
AGCF
FM5
WFM8
/WF8
SSB8
AM8
WFM8
SSB8
/WF8
AM8
FM5
R124
0.01
C125
10
L27
100uH
MI5V
AFAM
AFFM
AGCF
(c)
(d)
(e)
(f)
(b)
(d)
(c)
(e)
(f)
(b)
CMAD
NOAD
(g)
(g)
DISC
DISC
C100
0.0047
14
V
CLR
4
3
2
1
5
4
3
2
1
5
3
2
1
4
5
3
2
1
4
5
3
2
1
4
5
3
2
1
5
4
3
2
1
5
4
1
2
4
3
1
2
4
3
D43
1SS272
D42
1SS272
XTAL
EXTAL
MO1
MO0
NMI
RES
STBY
VCC
P52/SCKO
P51/RXDO
P50/TXDO
VSS
P97/WAIT
P96-0
P95/AS
P94/WR
P93/AD
P92/IRGO
P91/IRGI
P90/ADTRG/IRG2
P50/FTCI
P51/FTOA
P52/FTIA
P53/FTIB
P54/FTIC
P55/FTIO
P66/FTOB/IRQ6
P57/IRQ7
AVCC
P70/ANO
P71/AN1
P72/AN2
P73/AN3
P74/AN4
P75/AN5
P76/AN6/DAO
P77/AN7/DAI
AVSS
P40/TMCIO
P41/TMDO
P42/TMRIO
P43/TMCI1
P44/TMO1
P45/TMRI1
P46/PWO
P47/PW1
VCC
P27/A15
P26/A14
P25/A13
P24/A12
P23/A11
P22/A10
P21/A9
P20/A8
VSS
P17/A7
P16/A6
P15/A5
P14/A4
P13/A3
P12/A2
P11/A1
P10/A0
P30/D0
P31/D1
P32/D2
P33/D3
P34/D4
P35/D5
P36/D6
P37/D7
VSS
P80
P81
P82
P83
P84/TXD1/IRQ3
P85/RXD1/IRQ4
P86/SCK1/IRQ5
IC33
HD6433334YLO2F
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
VSS
D3
D4
D5
D6
D7
CE
A10
OE
A11
A9
A8
A13
WE
VDD
P33
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
11
RXD
TXD
PB2
U/D
/INC
P37
P36
P35
P34
P32
P31
P30
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
C193
0.1
C297
1
R468
100
R469 100
R471 100
Pdat
PDE
PSIB
LCT1
PCX
BEEP
R344
1k
C294
0.0047
D24
DAN222
C379
0.022
P25 1
IC34
HN58C256FP-20
28
27 P94
26 P25
25 P20
24 P21
23 P23
22 P93
21 P22
20 P95
19 P37
18 P36
17 P35
16 P34
15 P33
P24 2
P17 3
P16 4
P15 5
P14 6
P13 7
P12 8
P11 9
P10 10
P30 11
P31 12
P32 13
14
W1
C287
0.1
R496
390k
R506
33k
R352
120k
R457 1k
R458 1k
R459 1k
R460 1k
R461 1k
Mck
Mdat
DE
VSTB
MST2
D64
1SS355
R339
47k
MCK
MDAR
OE
C291
0.0047
R341
47k
R340
1k
VBSY
VBSY
P93
P94
P95
R330
47k
R332
47k
R331
47k
P95
P94
P93
X3
MA406
9.8304MHz
C288
12p
C289
12p
I
G
POC
POC
MRXD
MTXD
O
R333
1k
C290
0.22
C337
470k
D46
1SS355
R336
220k
R338
220k
Q57
2SC4081
R335
100k
R334
100k
IC37
S-8054ALB-LM
C292
0.0047
C295
0.0047
C308
0.0047
C296
0.0047
C298
0.0047
C300
0.0047
C299
0.0047
C293
0.0047
R465 1k
R466 1k
R467 1k
STBC
STBB
STBF
R354 1k
R356 1k
R355 1k
R349 1k
R359 1k
R347 1k
R345 1k
R346 1k
SMAD
CMAD
MDAD
STOP
LVDA
VSC
L1AD
EVM
R240
47k
C382
0.1
D65
1SS355
D4
1SS355
D29
1SS355
R462 1k
R463 1k
R464 1k
STBF
STBB
STBC
STBA
MST3
MST1
MST2
VSTB
MST1
MST3
STBA
R456
1k
R470 100
AGC-F
ON
:5.0V
0FF
:0V
3.61V
AM,FM-N
7.43V
2.51V
4.9V
AM
7.85V
6.35V
4.02V
2.35V
6.91V
1.13V
1.12V
6.19V
AM
3.5V
FM,
AM
4.81V
FM,
AM
3.0V
FM,
AM
1.65V
4.88V
-7.76V
-7.87V
5.41V
1.32V
FM
7.85V
4.96V
7.81V
SSB,CW
7.85V
WFM 7.82V
7.90V
AM
7.83V
4.93V
9.83MHz
4.6Vp-p
+
+
+
+
+
+
+
+
B
A
C
B
A
C
B
A
C
+
+
+
@0
q
w
e
r
t
y
u
i
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
!9
@1
@2
@3
@4
@5
@6
@7
@8
@9
#0
#1
#2
#3
#4
#5
#6
#7
#8
#9
$0
$1
$2
$3
$4
q
w
e
r
t
y
u
o
!0
!1
!2
!3
!4
!5
!6
!7
!8
!9
@1
@2
@3
@4
@5
@6
@7
@8
@9
#0
#1
#2
#3
#4
#5
i
11 - 7
MAIN-A UNIT
R8500 A3.indd 23-24
12/1/2006 8:54:41 AM
Summary of Contents for iC- r8500
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS REPLACEMENT PAGE 5 3 PARTS LIST 1 VOLTAGE DIAGRAM 21 Jun 2011...
Page 24: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 21 VOLTAGE DIAGRAM 23 Apr 2011...
Page 52: ...Replacement page Jan 2011 5 6 MAIN A UNIT CP2 Noise blanker check point...
Page 79: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 21 VOLTAGE DIAGRAM 23 Sep 2010...
Page 147: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 20 VOLTAGE DIAGRAM 22 Feb 2009...
Page 177: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 20 VOLTAGE DIAGRAM 28 Jul 2008...
Page 213: ...S 14318XZ C1 Nov 2006 COMMUNICATIONS RECEIVER...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 230: ...5 1 SECTION 5 ADJUSTMENT PROCEDURE MAIN A PLL B PLL B MAIN A...
Page 231: ...5 2 PLL B MAIN A...
Page 233: ...5 4 MAIN A MIX A AND RF C UNITS CONBV B AND RF C UNITS...
Page 234: ...5 5 MAIN A MAIN A MAIN A MAIN A MAIN A MAIN A MAIN A...
Page 235: ...5 6 MAIN A UNIT...
Page 236: ...5 7 RF C BPF TUNED VOLTAGE ADJUSTMENT RF C BPF...
Page 237: ...5 8 RF C BPF TUNED VOLTAGE ADJUSTMENT continued RF C BPF...
Page 238: ...5 9 RF C BPF...
Page 239: ...5 10...
Page 261: ...7 2...
Page 262: ...7 3...
Page 265: ...SECTION 8 SEMICONDUCTOR INFRMATION 8 1...
Page 266: ...8 2...
Page 286: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14318XZ C1 2006 Icom Inc...