Main Unit - Icom IC-F2610 Service Manual

11-2 MAIN UNIT

MAIN UNIT(1)
J2
_SP
SP
(EXP SP)
SPE
Note
[L]: Lo-band
[M]: Middle-band
[H]: Hi-band
[R]: R&TTE Type
[O]: OTHER
A : Lo/Middle/Hi-band
CENC
NOIS
J5
VCC
VCC
SP
SPE
+8V
FTXD
to FRONT
FRXD
unit J2
POSW
MICE
MIC
GND
AFO
C601,616-C622
22p[R]only
J6
16 SCK
15 OPV1
17 SI
14 OPV2
18 SO
13 OPV3
19 CIRQ
12 GND
20 CCS
11 OPT3
21
10 OPT2
22 AF OUT AFOUT
9 OPT1
to
23 DISC DISC
optional
8 SIG OUT
unit
24 RMUT
7
25 BEEP OUT
6 BUSY
26 AFON
5 AUX
27 MMUT
4 MIC IN
28 VCC
3 MIC OUT
29 +5V
2 PTT OUT
30 GND
1 PTT IN
J7
GND
CPU5V
to
ESO
optional
ECS2
unit
ECK
ESI
MEASUREMENT CONDITIONS
OSCILLO SCOPE:20MHz
VOLTMETER:1Ω/V
+5
+8V
1/2VDD 1/2VDD
+5
2.53V
IC5
M62363FP-650C
1
VIN1
R421
3 8 2
+ 1 1k VOUT1
2 3
-
VOUT2
4 4
VIN2
5
VDD
IC9a DSTB 6
LD
TA75W558FU
2.53V DCK 7
CLK VDAREF
DDA 8
DI
9
VIN3
10
VOUT3
11
R420 VOUT4
12
56k
VIN4
4.96V
R228
100
C224
0.047
IC21a SQL MIN 4.95V
R231 R230
TA75W01FU
Q64
100k 100k
R412
3 8 DTC144EU
+ 1 680
2
-
4
R242
2.45V
1.8K
2.53V
1/2VDD
+5
VCC
PAMIC
L48 0.56µ
L502 0.10µ
L62 0.10µ
IC25
L63 1µ TC4W66FU
L47 0.56µ 1
C526
2
47p
3
C356
47p
4
CCK
OPV1
CSI
OPV2 Explanatory notes
CSO
OPV3 VOLTAGE LINE
CIRQ
TX LINE
CCS
RX LINE
OPT3
OPT2
OPT1
SIGOUT
RMUT
BEEPOUT
BUSY
AFON
AUX
MMUT
MICIN
MICOUT
PTTI
PTTO
ESO
ECS2
ECK
ESI
CPU5
11 - 2
+5
+8V
R348
1/2VDD
L57 3.9k
+5
1µ
R173 R388 R387 R172
10k 2.2k 1.2k 10k
R303
100k
24 2.45V
VIN8
23
VOUT8
22
VOUT7
21
VIN7 Q33 Q32
20
2SA1576 2SC4081
GND
19 +5 0V
RESET
18
17
Q31 Q30
DO 16.94V
16 FMW2 FMS2A
VIN6
15 5 1 2 3
VOUT6
14
VOUT5
13 4 4
VIN5
R301
3 2 1 5
100k
C85
0.1
R:5.59V
T:5.38V
R184 100
+5
R186
820
Q10 Q9
2SC4081 2SC4081
C102
0.01
SQL MIN 0.60V
1/2VDD
+5
VCC
+8V
5.03V
8
7
+5
6
5 BEEP
R592 470 2.31V
L5V
L5V
BEEPOUT
C558 R589
0.1 27k
0.64V
+5
R191
470
DTMF
R258
8.2k
MICOUT
MICIN
+5
VCC
L5V
MICIN
SIGOUT
+5V
R162
PLLIN
10
UNLK
LOCK 4.97V
UNLOCK 0.30V
IC12
C301
MC145190F
0.001
1 20
REF_O REF_I
2
19
LD DATA_I
3 18
Q56 R CLK
C414
4 17
DTA144EU
0.001 V ENABLE
5 16
VPD OP_A
6 15
PC_O OP_B
7 14
R171 GND VDD
8 13
1k
RX TEST2
9 12
R316 TEST1 VCC
10 11 PLLIN
47k
C176 FIN FIN
33p
17.41V
4.97V
C422 0.0022
Q29
R337
R155 2SK880
220
1.5k[H]
3.3k[O]
R153
IC13
560
TC4W66FU
R226 A C218 C374
68k/82k/120k 4.7 4.7
1 8
2 7
A
3 6
R375
47k
4 5
R224
27k[H]
22k[O]
C197 C364
4.7 4.7
R197
33k
IC502
W:0V
C559 R190 R521
5 4 TC7S66FU
N:4.21V
0.1 22k 180k
1 2
R522 R400
3
Q516 220k 390k
2SC4081
5.04V
IC503
R194
2.31V TA75S01F
1k R302 12k
5 1
4 +
3
-
2
R401 C229 C546
C247
180k 0.1 680p
0.1
Q35
2SC4081
R196 R596
C234 R342 R523 C517
27k 56k
0.1 68k 56k 0.1
0.64V
R619 R317 C246 R248 R240 C233
100 33k 0.018 150k 68k 0.1
IC22
µPC5023GR043-GJG
16 1
IN1- TONE1
15 2 1.85V
MIC OUT1 TONE2
14 3
IN2- TONEOUT
13 4
OUT2A IN5-
R246
0.97V 12 5
R250 82k OUT2B IN3+ 47k
11 6
4.61V REF OUT3
10 7
GND IN4+
9 8
VCC OUT4
R297
R245
100
R392 47k 47k
IC21b
TA75W01FU
C251
5
0.1 + 7
6
-
C320 R257 C321 47p
0.047 22k
R256 390k
C250 0.1
MICIN
1/2VDD
L5V
VCC
+8V
CPU5
+5
+8V
BUS LINE1
+5V
R148 47
+18V
PLLIN
R160 1K
PDA
R159 1K
PCK
R158 1K
PSTB
PLLT
Q25 Q26
DTC144EU DTA114EU
a
b
L58
1µ
MAIN
R163
4.94V
UNIT
100
+5V
(2)
X501
R169 C191
CR-573A
1k 0.0047
4 2
VCC OUT
1 3
VCON GND
Q505
DTC144EU
NWC
R418
47k
DMOD
W:4.66V
N:0V
1/2VDD
AMOD
SIGOUT
C238
100p
Q65
2SK1829
R255
10k
1/2VDD
2.08V
2.08V
SIGOUT
BUS LINE2
BUS LINE3
1/2VDD
L5V
VCC
+8V
CPU5