RF
BPF
30-1025MHz
BPF
1
BPF1
Q1
BPF
2
BPF2
Q2
BPF
3
BPF3
Q3
Q1-Q4 3SK228
Q4
BPF
4
RX
SW
500-1025MHz
ATT
RF
AMP
IC3
*PC2708
ATT
BPF
F1M
F2M
BPF
TUN
CTRL
IC7a
NJM2904M
TUN
CTRL
IC2c,d NJM2902V
Q11,12 2SK1069
TUN
CTRL
IC2a,b NJM2902V
AGC
BUFF
IC1a NJM2904M
CTRL
IC1b NJM2904M
Q10 DTC144EU
RX
SW
RL
CTRL
SW
Q8 XP1213
Q9 XN1114
BPF4
BPF3
SW
Q6 XP1213
Q7 XN1114
BPF2
BPF1
LVDA
SW
+8
+24
-8
AGC
MT5V
LPF
IC4
GN2011
BPF
ATT
LO
AMP
IC6
*PC2709
ATT
ATT
BPF
BPF1
BPF
778.7MHz
266.7MHz
BPF2
LPF
IC1
CB501M
256.0MHz
LPF
768.0MHz
LPF1
LPF
LPF2
ATT
IC2
*PC2710
LO
AMP
ATT
MUTE
Q4,Q5
2SC4835
BPF2
BPF1
RF FIL
SW
FIL
SW
IC3 NJM2902V
Q1 DTC144EU
Q2 XP1213
Q3 XN1114
LPF1
LPF2
LPF
V2IF
(TO RF-B)
F2M
F1M
FILS
-8
+8
MI5V
(FROM MAIN)
IF
AMP
Q4
3SK131
BPF
FI1
230kHz
BPF
FI2
230kHz
FM IC
IC2 MC3356
CDAC10.7MC4-A
X1
10.7MHz
SW
Q61
DTC144EU
WFM
AGC
CTRL
Q6
2SC4081
AGC
CTRL
Q20 DTC144EU
Q21,Q23 2SA1586
Q25 DTA114EU
Q27 2SC4081
/WF8
HPF
IC32a
NJM2904
FM IC
CDBC455CX16
X2
455kHz
IC8 MC3372
AMP
Q54
2SC4081
AGC
DET
D20
1SS375
BUFF
Q18
2SC4081
AMP
Q17
3SK131
AMP
Q16
3SK131
BPF
FI8 15kHz
BPF
FI7 15kHz
FIL3
BPF
FI6 6kHz
BPF
FI5 6kHz
FIL2
FL52A
FIL0
O.5kHz
BPF
FI4 2.2kHz
FIL1
IC6
UPC1037
AMP
Q15
3SK131
NB
SW
Q14 2SC1081
NB
CTRL
Q12 2SC4081
Q13 XP4311
AM
DET
D15
1SS375
DET
IC7
*PC1037
SQL GATE
MUTE
IC19 BU4066
Q47 2SC4081
Q46 DTA114EU
AM
CENT
IC40 TC74HC86
IC41 TC74HC74
Q65 2SK882
Q66,Q67 2SC4081
Q68 DTC144EU
Q69 XP4311
USB 456.5kHz
LSB 453.5kHz
CW 454.2kHz
AGC
SW
Q26 XP1213
Q60 DTC144EU
AGCF
/WF8
Q7
XP1213
SHIFT
SW
AMP
IC4a
NJM2904
CENT
DET
IC13 NJM2904
Q31,Q70 DTC144EU
SW
IC9b
NJM4558
AMP
FIL2
NOISE
DET
D16
1SS375
IC4b
NJM2904
AMP
AM8
CTRL
IC43 TC4W53F
Q75 DTC144EU
AMP
IC9a
NJM4558
IFBK
BUFF
Q1
2SC4081
LPF
ATT
LPF
AMP
Q62
2SC4081
VSC
CTRL
IC10 NJM2904
IC11 *PD4001
IC12 NJM2904
Q30 DTC144EU
CTRL
IFBK
Q28 2SJ144
Q29 XP1213
MAIN
CPU
VBSY
LCT
VSC
STOP
L1AD
CMAD
NOAD
SMAD
APF CTRL
IC29 BU4053
IC30 BU4053
IC31 NJM2902
IC39 X9C503
SW
Q54 XP1213
ISW1
ISW2
BUFF
Q48
2SC4081
L1AD(CPU)
AM8
UT-102
VOICE
UNIT
OPTION
+5
(FROM PLL)
X3
9.8304MHz
LVDA
NRXD
MTXD
(TO RF-B)
BUFF
IC32b
NJM2904
AGC
(TO RF-A,B)
EEPROM
IC34
HN58C256
RESET
IC37 5-8054ALB
Q57 2SC4081
L+5
CTRL
IC35
*PD4081
CI-V
I/F
Q53 XP4501
IC27 TC7W04F
RS232
I/F
IC28
DS14C232TM
J23
DTX
DRX
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
SW
Q73
2SK2036
RF
AMP
VR
IC20 M5282
RF
AMP
ICI21
*PC1241
CI-V
J22
AMP
Q49
2SC4081
REC
13.8
CTRL
RESET
13.8
IC42
S-8O54ALB
Q71 2SA1736
Q72 2SK2036
SP
COVER
EXT SP
J21
EXT
10.7MHz
EXT
AGC
J17
J18
RIPPLE
FIL
13.8
Q5 2SC3650
D54 RD10MB2
IC15 BU4094
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Mdat
Mck
OE
MST1
SW
Q33 XP1213
Q34 XP1213
SW
Q32 DTA114EU
SW
FILC
NBS1
NBS2
AGCF
TSW1
TSW2
IFBK
Q8
Q7
IC16 BU4094
Q6
Q5
Q4
Q3
Q2
Q1
Mdat
Mck
OE
MST3
Q36 DTC144EU
SW
SW
Q35 RN2427
SW
Q63 DTC144EU
MUTE
MIXV
MI5V
FILS
SW
F4
F3
F2
F1
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Mdat
Mck
OE
MST2
IC18 BU4094
CTRL
Q40 XP1213
Q37 XP1213
CTRL
CTRL
Q42 XP1213
Q44 XP1213
CTRL
SW
Q41 XP1114
Q43 XP1114
Q56 DTA114EU
SW
SW
Q45 XP1114
SW
SW
Q39 RN2427
Q55 DTA114EU
SW
FIL3
FIL2
FIL1
AM8
FM8
WFM8
SSB8
/WF8
FM5
-8
REG
IC26 AN79LO8M
+24
REG
IC25 AN78L24M
+24
-8
DC-DC
Q51,52 2SC2873
D39-42 1SS272
+8
REG
IC24 TA7808F
+8
REG
IC23 TA7808S
+5
REG
IC17 TA7805F
+5
+8
POW
SW
Q50 2SC4081
13.8
13.8
L+5
+5
REG
IC38 TA7805F
J14
REG
IC22 PQ30RV31
1
2
3
4
P2
HV1
LHV1
HV2
LHV2
SUB
CPU
IC6 X24C01
EEPROM
IC3c IC3d
*PD4030BG
SENSOR
MAIN
DIAL
ME1
X1
9.8304MHz
RESET
IC4 S-8054ALB
Q1 2SC4081
IC3a *PD40308G
D1 1SS355
L+5
(FROM MAIN)
DDT
DRIVER
IC2
SED1522
LCD
DS1
LAMP
CTRL
IC5 PQ20VZ51
Q7 DTC144EU
DS2-5
HRS4150A
13.8
(FROM MAIN)
SLEEP
S1
[MATRIX SW]
[MATRIX SW]
[APF VR]
[IF SHIFT VR]
[DELAY VR]
J3
J2
J1
[PHONES]
[REC]
[REC REMOTE]
JACK BOARD
VR-B BOARD
VR-A BOARD
SW-B BOARD
SW-A BOARD
IC3b *PD4030BG
Q2,Q4 DTA144EU
Q3,Q5 DTC144EU
SHIFT V
CTRL
L+5
(FROM MAIN)
REC
SW
REC
Q6 DTC114EU
D2 1SS355
MTXD
MRXD
AF-GAIN VR
SQUELCH VR
MATRIX SW IN
MATRIX SW OUT
APFV(APAD)
SFTV(IFAD)
DELV(DLAD)
AFAD
SQAD
DIM
DISP UNIT
MAIN-A UNIT
MIX-A UNIT
RF-D UNIT
F3
F4
F2
F1
Q5
XP1213
30-500MHz
500-1025MHz
768.0MHz
256.0MHz
10.7MHz
S2
IC1
HD6433833A74H
CHASSIS
FRONT UNIT
(POWER SW)
POC
BF0
3LO
NBS2
NBS1
Q59,Q74
DTC144EU
/INC
U/D
BEEP
VOIC
+5
IC33
HD6433334YL02F
RS-232C
AGC
Mdat
Mck
VSTB
OPTION
AF WF
AF FM
AF AM
AF SB
RXD
TXD
AF DA
FRONT
UNIT
[METER]
V1IF
V2LO
(FROM PLL)
V1LO
(FROM PLL)
(FROM MAIN)
[MEMO CH]
(TO RF-B,MIX)
(TO MIX)
(TO RF-B)
HFIF
(FROM RF-A)
90-250MHz
30-90MHz
250-500MHz
MFTV
AM 455kHz
A
B
C
D
E
F
G
H
I
J
K
• BLOCK DIAGRAM-2
10 - 2
R8500 A3.indd 9-10
12/1/2006 8:54:33 AM
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...