!0
q
w
e
r
t
y
u
i
o
!1
!2
!3
!4
!5
!6
!7
!8
!9
@1
@2
@3
@4
@5
@6
@7
@8
@9
#0
#1
#2
#3
#4
#5
Q46
DTA114EU
C204 0.22
R249
10k
R250 10k
Q47
2SC4081
R251 5.6K
R257 1k
C207 10
R256 470k
C206
0.1
R407 4.7k
R255
47k
R253
100k
R252 47k
R254 47k
BEEP
VOIC
C208
0.1
R259
22k
R260 47k
R261 10k
C209 0.47
R262
10k
VCC2
IN+
IN-
OUT
GND
1
2
3
4
5
10
9
8
7
6
VCC
VCAOUT
CTL
VCAIN
NC
R264 10k
C213 470p
C214 4.7
C212 10
R263 220
C216 0.0047
L38 100uH
R425 68k
R486
100k
Q73
2SK2036
I
O
G
IC42
S-8054ALB-LM
R267 12k
IC20 M5282FP
R265
100
R211 220
C218
0.1
R377 100k
R272 680
R271 2.2k
R268 56k Q49
2SC4081
C220
0.1
R273
10k
C376 0.1
C223 47
R270 220
C215
0.22
R274
10k
R275 10k
C222 0.001
C219 47
C225 47
R276 1k
C224 220
R277 10
R278 1
C229 0.1
C228 0.1
C227 1000
C230 0.0047
R510
2.7
R491 27
Q71
2A1736
R483 3.3k
R484 3.3k
C378 1
Q72
2SK2036
1 2 3 4 5 6 7 8
IN FIL NFB GND GND OUT BOOT VCC
IC21 uPC1214H
R505 2.2k
PHG
REC
RECG
FROM
JACK
UNIT
J4
Y1
Y0
Z1
Z
Z0
INH
VEE
VSS
VDD
Y
X
X1
X0
A
B
C
IC30
BU4053BCF
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
R258 2.2k
+5
Y1
Y0
Z1
Z
Z0
INH
VEE
VSS
VDD
Y
X
X1
X0
A
B
C
IC29 BU4053BCF
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
C275 0.01
R304 10k
-
+
13
12
11
11
4
IC31a
NJM2902V
R301
56k
R305
39k
R312 10k
-
+
2
3
1
IC31b
NJM2902V
R408 1M
R311
150k
6
5 -+
7
R309 10k
-
+
9
10
R308 10k
R307
150k
8
IC31c
NJM2902V
IC31d
NJM2902V
C276
0.001
C277 0.001
C221 0.0047
R482
100
R269 22k
C314 1
INC
U/D
VH
GND
VCC
CS
VL
CW
IC39 X9C503ST6
8
7
6
5
1
2
3
4
C315
1
R365 4.7k
C377 10
C307 0.01
L52 100uH
R455
1k(EUR,AUS,
FRA,DEN ONLY)
R410 47k
R474 1k
R472 1k
R473 1k
PB2
/INC
U/D
R309 82k
R310 15k
Q2L
Q2H
OUT
G1C
Q11
R300 47k
C274 0.47
R409 100
C279 10
R302 68k
R303 12k
Q1H
Q48
2SC4081
C273 10
R325
100
C272 0.01
R299 47k
R298 47k
C271 0.47
OUT Q1H Q1C Q1L
Q2H Q2L
FL-8
FL+8
L39
LW-15
J19
PH
PHG
EXSP
R248
2.2k
C210 10
C226
470
R485
220k
R366 2.7k
C316
1
NC
CI-V
GND
C238 0.0047
D35 DSA3A1
C240 0.1
C239 0.1
R279 470
2
3
4
1
IC22 PQ30RV31
C368 3.3
R281 3.9k
R280
1k
C241 47
D45 1SS355
R282 56
R286 56
J15
GND
F1
F2
F2
D34 DSA3A1
C242 470
C250 0.1
D57 1SR154-400
D56
1SR154-400
L44
SK-17P-070-110
DOUT
DCIN
LHV1
HV2
J16
HV1
LHV2
+5
R402 100
R325 100
D38 1SS355
Q50
2SC4081
R284 10k
R283
10k
RL1
C365 1000
13.8
L48
7A06L-101K
C251 220
C243 0.1
C200 100
C199 0.1
IC17 TA7805F
L45
7A06L-101K
R287 10k
R286 10k
C252 0.033
Q51
2SC2873
Q52
2SC2873
R357
47
C248 220
C249 0.1
IC24 TA7808F
C247 10
R244 27
R245 27
R281 27
C246 0.1
IC23 TA7808F
C198 1
C244 10
+8
9
10
7
+5
C306 47
C305 0.1
IC38 TA7805F
C393 47p
L+5
C303 470
C245 0.1
L45
7010-2N-1768
6
3
2
4
5
1
D39
1SS272
D40
1SS272
4
3
1
2
1
2
4
3
C260 22
R290
27
C259
47
C262 0.1
I
G
O
C261 0.1
C263 10
C264 10
+24
-8
C254 33
R288
47
C253
33
C256 0.1
I
G
O
C255 0.1
C257 33
C258 33
IC25 AN78L24M
D66 1SS355
IC26 AN79L08M
ACHV
NC
GND
J21
EXT SP
J14
J12
Mdat
VSTB
VBSY
GND
Mck
C390 47p
VOIC
POC
INSP
NC
SPE
DISC
AOUT
AGC
J20
L43 HF50ACC322513-B
EXSP
INSP
ESPG
L42
C236 0.01
C235 0.0047
J22
CI-V
P1
NC
INSP
SPE
-
+
SP1
COVER
P1
DCIN
DOUT
GND
P2
J3
CHASSIS
AGC OUT
L41 HF50ACC3225B-B
C232 0.001
C1+
V+
C1-
C2+
C2-
V-
T20
A2I
VCC
GND
T1O
R1I
R1O
T1I
T2I
R2O
10
9
11
12
13
14
15
16
IC28
DS14C232TM
1
2
3
4
5
6
7
8
J23
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
DRX
DTX
C269
10
C266 10
IC27 TC7W04F
1
2
3
4
8
7
6
5
C265 0.01
R292 100k
C270 10
R293 47k
1
2
3
R294 18k
6
5
4
Q53 XP4601
R295 6.8k
C268 10
C267
10
R296 33k
D43
1SS355
IC35 uPD4081BG
14
13
12
11
10
9
8
1
2
3
4
5
6
7
R351 100k
C301 0.01
TXD
RXD
R516 3.3k
(EUR,FRA ONLY)
R517 3.3k(USA,
FRA,DEN ONLY)
R518 3.3k(USA,
EUR,AUS ONLY)
P27
P34
P35
P36
RS-232C
R289
10
R291
10
C304 0.1
C388 47p
C387
47p
C392 47p
C391 47p
FROM POWER SW
C194 0.1
C389
47p
W13
AOUT
J32
J18
DC IN
13.7V
OPEN 7.88V
CLOSE 0V
7.78V
7.9V
7.81V
APF ON :0V
OFF:7.78V
5.0V
-13.42V
-9.96V
13.51V
36.5V
11.39V
-8.1V
7.84V
4.94V
23.8V
12.25V
12.43V
AC ADAPTOR
USED
16.3V
(AC ADAPTOR USED)
3.12V
5.0V
5.0V
6.9V
5.0V
1.8V
5.23V
-7.76V
6.83V
-4.72V
5.0V
9.98V
1.2V
2.37V
2.97V
7.37V
AF MIN 0.5V
AF MAX 2.1V
1.39V
3.83V
3.83V
3.63V
6.22V
13.5V
12.97V
4.94V
4.8V
4.94V
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
O
G
I
+
O
G
I
+
O
G
I
+
+
O
G
I
+
+
+
+
+
+
+
+
+
+
+
+
J 4
T B P - P 0 1 X - A 1
NJM2902V
I C3
V+
4
GND
1 1
L 1 7
27N
0.001
C8
0.
1
C40
47P
C12
R5
2.2K
R23
470
2P
C61
R 2 1
1 0 0
L10
0.18U
4 P
C48
NJM2902V
I C3
9
1 0
8
L 1
47N
L 1 9
1U
R 2 0
4 . 7 K
R8
1.8K
R 1 6
1 0 0 K
5P
C23
D6
1 S V 2 3 7
R2
100
P 1
T M P - K 0 1 X - A 1
4 7 0 P
C28
R 1 0
1 8
1 P
C22
R9
270
Q1
D TC144EU
R18
470
MMZ1608Y102BT
EP6
4
L 1 6
L L 1 6 0 8
5P
C34
0 . 0 0 1
C32
7 P
C2
R6
100
R1
2.2K
L4
1U
470P
C19
82P
C122
4 7 0 P
C30
3 P
C50
470P
C60
0.001
C55
470P
C10
L 1 2 2
82N
R15
330
X P 1 2 1 3
Q2
1
2
3
4
5
0 . 7 5 P
C35
J 2
T M P - J 0 1 X - V 6
L 3
39N
10P
C49
270P
C121
4 7 0 P
C29
MMZ1608Y102BT
E P 6 3
2 0 P
C6
R 1 7
1 0 0 K
47P
C9
0 . 0 0 1
C11
XN1114
Q3
1
2
3
4
5
0.001
C3
R 1 9
4 . 7 K
0 . 0 0 1
C1
0.001
C52
7 P
C7
NJM2902V
I C3
6
5
7
J 1
5 2 6 1 0 - 1 0 7 1
1
2
3
4
5
6
7
8
9
1 0
0 . 0 0 1
C54
47P
C17
Q4
2 S C 4 8 3 5
L 1 2 1
0 . 5 6 U
L 2 3
12N
R12
820
J 3
T B P - P 0 1 X - A 1
5MXE14
I C1
1
2
3
4
5
6
4 7 0 P
C20
1 7 6 8
MP 5
1
2
3
4
5
6
0.001
C57
L 1 2 0
0 . 5 6 U
L2
1U
# 3 0 2 H E P
L 1 4
MMZ1608Y102BT
E P 6 2
L7
1U
MMZ1608Y102BT
E P 6 8
L11
1U
R 3
4 7 0
R 7
4 7 0
L 1 8
1U
R24
220
UPC2710TB
I C2
1
2 3
4
5
6
0.001
C56
3P
C38
MMZ1608Y102BT
E P 6 7
Q5
2 S C 4 8 3
5
0 . 5 P
C37
L 8
8 . 8 N
0.001
C4
0.001
C18
5P
C36
82P
C120
NJM2902V
I C3
2
3
1
D1
1 S V 2 3 7
MMZ1608Y102BT
E P 6 6
470P
C53
D4
MA77
D2
1 S V 2 7 1
L 2 1
8 . 2 N
R11
270
L 1 2
10N
R4
1K
MBF-778A
F I1
I
O
NJM2902V
I C3
1 3
1 2
1 4
M B F - 7 7 8
F I2
I
O
L 1 5
# 2 5 2 H E P
47P
C13
L 1 3
12N
470P
C33
MMZ1608Y102BT
E P 6 5
L6
1U
0 . 0 0 1
C16
R 1 3
5 .6
5P
C47
D5
1 S V 2 3 7
1P
C21
P 2
T M P - K 0 1 X - A 1
MMZ1608Y102BT
E P 6 1
0.
1
C39
R 2 2
1 0 0
R14
820
D3
MA862
1
2
3
4
4 7 P
C31
7P
C51
F I L S
- 8
B P F 1
B P F 2
FROM MAIN-
A
V 2 L o ( 2 5 6 / 7 6 8 M H z )
F R O M P L L -
B
V 2 I F ( 1 0 . 7 M H z )
V 1 I F
T O M A I N - A
T O R F - D
(2 6 6 . 7 M H z )
(7 7 8 . 7 M H z )
35
MIX-A UNIT
MAIN-A UNIT
Jul. 2008
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...