C322 22p
C196 0.1
C321 22p
C194 0.1
C195 10
C198
0.1
C324
22p
C327
22p
C323
22p
C197
0.1
C328 22p
C329 22p
C330 22p
C331 22p
C332 22p
C333 22p
C335 22p
C336 22p
C337 22p
R189
2k
R179
2k
R180
2k
R181
2k
R182
2k
R183
2k
R184
2k
R185
2k
R186
2k
R187
2k
R188
2k
R190
2k
R191
2k
R192
2k
R193
2k
R194
2k
R195
2k
R196
2k
R197
2k
R198
2k
R249
1k
C199
0.1
C200
0.1
C325
22p
C326
22p
C360
270p
C362
470p
L85
330uH
L86
470uH
C361
680p
C350
22p
R200
220
C208
0.1
C211
0.0047
R201
180k
L63
470uH
L64
470uH
C204
68p
C206
27p
C203
330p
C205
470p
C207
330p
R202
220
C209
0.1
R199
820
R203
150
R231
100
L79
18uH
L62
22uH
C202
0.0015
C201
0.0068
C270
0.0056
C213
0.01
C338
22p
Q31
2SC4081
IC15
M65343FP
C320
22p
C177
0.01
C269
180p
C165
220p
C166
56p
L50
1uH
L78
1uH
C175
0.0047
C334 22p
R168
100
C351
0.001
Pck
Pdat
STDB
L61
10uH
5
C192
1
C319
0.001
1
2
3
4
IC18
TC7S04F
C191
0.0047
R176
100k
L60
100uH
C52
0.001
R58
47k
R57
10k
C255
0.1
C50
0.0047
C254
1
L12
100uH
IC5
MC145190F
Pdat
Pck
STP1
L13
100uH
C51
0.0047
C253
0.1
C353
10
C53
0.001
J7
P7
R246
47
L113
100uH
C434
0.001
1
2
5
4
3
R257
NTCCF201123FH
R256
3.9k
R254
10k
R252
1M
R255
1.2k
R258
10k
R251
1k
C355
33p
R253
1M
Q43
2SA1576
Q42
2SC4081
R260
4.7k
1
4
2
5
3
R259
4.7k
L90
100uH
R59
100
C57
1
C58
0.001
6
3
5
2
7
1
8
4
R262 100
R299 2.2k
R263
3.3k
C356
0.22
IC20a
TC4W66F
IC20b
TC4W66F
R261
100k
Q40
DTA144EU
Q41
DTC144EU
C456
0.01
R301
3.3k
C455
0.047
J8
EP4
2
3
1
4
R125
680
R127
680
R237
47
C420
0.001
L109
33nH
L110
27nH
C422
68p
C423
15p
L42
27nH
C139
9p
L43
33nH
L44
33nH
C140
2.5p
C142
1.5p
C141
10p
C143
8p
C425
0.001
L111
10nH
L112
8.2nH
C427
27p
C428
5p
L77
12nH
C145
6p
L46
10nH
L47
12nH
C146
0.5p
C148
0.3p
C147
7p
C149
3p
4
1
3
2
R130
18
C151
0.001
R129
270
R131
270
D19
1SV237
R296
680
R297
680
Q50
RN2424
Q49
DTC144EU
Q55
DTA144EU
Q54
DTC144EU
Q53
DTA144EU
Q52
DTC144EU
VCO2
VCO1
1
8
2
3
4
7
6
5
IC23
MB511PF
IN
IN
VCC
NC
OUT
S1
S2
GND
L108
1uH
C419
0.001
R286
680
C407
0.001
C408
0.001
R287
47
R288
470
C409
0.001
C446
0.1
C410
0.001
C257
10
L104
100uH
C411
0.001
R289
2.2k
C412
0.001
R290
10k
C365
1
R291
5.6k
R295
47
C413
0.01
L105
0.27uH
L105
0.27uH
C414
8p
C417
15p
C415
68p
C416
120p
C418
100p
L107
0.22uH
R293
18
R292
270
R294
270
Q51
2SC4081
1
VCC
8
2
3
4
7
6
5
IC22
MB511PF
IN
IN
NC
OUT
S1
S2
GND
L102
1uH
C399
0.001
R276
680
C400
0.001
C401
0.001
R277
47
R278
470
C402
0.001
C403
0.001
C256
10
L103
100uH
C404
0.001
R279
100
C405
0.001
R280
5.6k
C367
1
R281
1.5k
R282
47
C406
0.01
C397
47p
L99
0.1uH
L100
68nH
C394
36p
C395
12p
C396
33p
C398
39p
R283
270
L019
0.1uH
R284
18
R285
270
Q48
2SC4081
C366
22p
Q46
DTA144EU
Q47
RN2424
1
GND
8
2
3
7
6
IC9
uPC2709T
GND
OUT
IN
GND
VCC
L25
0.33uH
C81
0.001
1
2
4
3
R80 18
R79
270
R81
270
VU
LV
D7
1SV237
C82
0.001
Q13
DTA144EU
Q37
DTC144EU
C78
0.001
L22
1uH
R82
680
L23
1uH
C79
0.001
1
2
4
3
D25
1SV237
C83
0.001
R83
100
L92
100uH
C378
7p
C380
3p
C382
2.5p
C384
3.5p
C392
0.001
R273
680
C379
8p
C381
9p
C383
56p
L93
12nH
L94
10nH
L95
8.2nH
C385
3.5p
C387
6p
C389
6p
C391
3.5p
L96
5.6nH
L97
6.8nH
L98
8.2nH
C386
2p
C388
0.5p
C390
0.3p
R275
680
C393
0.001
C88
8p
L91
100uH
C84
4p
C85
2p
C86
1.5p
C375
3p
C376
0.001
R272
680
C89
15p
C90
47p
L27
5.6nH
L26
8.2nH
L28
5.6nH
C91
2p
C93
4p
C95
4p
C240
2.5p
L29
3.9nH
L30
4.7nH
L31
5.6nH
C92
2p
C94
1p
C239
0.3p
R274
680
C377
0.001
1
2
4
3
D26
1SV237
3
8
4
1
IC8a
NJM4558M
2
+
-
5
7
6 -
+
1LLV
R207
100
R267
1k
C271
1
C212
0.01
R77
1M
IC8b
NJM4558M
R106
100
C122
0.001
C123
33
+16
COUL
C258
220p
R212
270
R213
18
R214
270
C218
0.01
L66
100uH
L87
0.39uH
C364
120p
C363
120p
P8
H1LO
R84
270
R85
18
R86
270
C447
0.001
EP20
V1LO
to
RF-A
UNIT
J3
EP5
EP6
REF
J5
J2
J11
J3
EP22
P3
V2LO
to
MIX
UNIT
J2
J12
P9
H2LO
to
RF-A
UNIT
J2
J6
EP9 EP10
P6
BFO
to
MAIN
UNIT
J4
J4
EP7
EP8
P4
3LO
to
MAIN
UNIT
J3
P5
P2
+8
+5
+16
PAKA
D18
1SV237
+5
C458
47p
C460 47p
C462
47p
L24
1uH
C461
47p
C459
47p
C421
9p
C426
3p
Q38
FMS2A
Q39
FMW2
C217
0.01
0V 0.1M-29.99999MHz
:4.99V
0V
5.05V
4.98V
5.02V
Above 30MHz
:5.02V
Below 30MHz
:0V
4.87V
4.78V
5.00V
5.05V
15.7V
4.92V
0.1M-
0V 29.99999MHz
:4.68V
4.97V
5.04V
3.85V
3.83V
0V
5.06V
15.4V
0V(0.1M-29.99999MHz:4.68V)
3.97V
u1
15 -29.99999MHz
242.1 -499.99999MHz
754.1 -1024.99999MHz
1242.1-1499.9999MHz
1754.1-1999.99999MHz
VCO2
(V2)
Other freq:0V
4.99V
(7.24V)
4.99V
(7.24V)
Other freq:0V
VCO1
(V1)
0.67V
0.1 -14.99999MHz
30 -242.09999MHz
500 -754.09999MHz
1025-1242.09999MHz
1500-1754.09999MHz
MEASURMENT CONDITIONS
DIGITAL MULTIMETER :50ku/V DC
DISPLAYED FREQUENCY:500MHz
MODE:FM
0V
2
1
12
23
34
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
35
36
37
38
39
40
41
42
43
44
DA0
VSS
VSS
DA9
VSS
DA1
DA2
DA3
DA4
VSS
DA5
DA6
DA7
DA8
VDD
ROMCE
RESET
VSS
VDD
POM0
POM1
POM2
Q
I
UL
P1
TREE
P2
VDD
VSS
STRB
DATA
CON CLK
VDD
FSK1
FSK0
ETC0
ETC1
VDD
SYS CLK
NUM0
NUM1
NUM2
VDD
+
20
1
2
3
4
5
6
7
8
9
10
19
18
17
16
15
14
13
12
11
REF O
REF I
LO
R
V
VPD
PD O
GND
RX
TEST1
FIN
DATA I
CLK
ENABLE
OP A
OP B
VDD
TEST2
VCC
FIN
+
+
+
+
+
+
+
+
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
PLL-B UNIT
11 - 5
PLL-B UNIT
R8500 A3.indd 19-20
12/1/2006 8:54:38 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...