Icom IC-M85 Service Manual page 28

• MAIN UNIT (1/2)
To FRONT UNIT
J1 1
2
3
4
5
6 MICE
7
8
9
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12
13
14
15
16
17
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20
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22
23
24
Explanatory notes
R104
56K
R105 C199
2.5 V
47P
82K
R106
180K
5
3 IC15
4 VCON
1
CTCSS
2
ATIS
NJU7056F3
MICO
BAL
F 1
2
3
4
SCTM 5
6
7
MICM
MMZ1005A152ET
EP425
IC23
1 8 DET
VL VH
2 7
MTACT
A1 B1
3 6 MTDATA
A2 B2
4 5
GND OE
4
V+
TC7WPB9307FK
GND
11
NJU7058V
MTCK
IC13
R225
1
I/O1
2
10K O/I1
3
O/I2
4
I/O2
SCRM 5
CONT
KXCJ9 CTFS 6
CONT
7
GND RES VSS
4 6
DNC INT
3 7 TC74VHC4066AFK
DNC ADDR
2 8
IOVdd SCL
1 9
CTFS2
IC20 DETM
R192
J404
2.2K
PWON
1
2
AFIV
3
4
R182 C223
22K 0.1
R183
ED089070SU16.2S7C
22K
S401
2 DIALA
A
3
DIALB
B
1
COM
R492
0
IC409
1 8
A0 VCC
VCC 2 7
A1 WP
AFO 3 6
A2 SCL
4 5
VOXV
VSS SDA
MICIN GT24C128B
OPTV
CPU5V
LCDINH
LCDDATA
LCDCK
LCDMD
LCDCE
SDATAO LVA
SCKO F
ESTB T2
EXOE T1
CLORXD
CLOTXD
AFVS IC6
ADKEY2
ADKEY1
IPTT
1 18
EPTT
VIN2 VIN7
2 17
VDD GND
3 16
LD RESET
4 15
CLK VDAREF2
5 14
DI VDAREF1
6 13
VIN3 VIN6
XEMER
R2A20178
TX Line
RX Line
Voltage Line
CPU5V CPU5V
R469
4.7K
NJU7058V
9
IC 5
8
R467 R468
R461 R466
10
47K 47K 47K
56K
R215 C218
R189
18K 0.1 150K
C196 R158
0.012
2.2K 2.5 V 2.5 V
IC11
R159 C198 R150 R152 R155
14
I/O1 VDD
13
3.3K
O/I1 CONT1 1 180K 220K 120K
12
O/I2 CONT4
11
I/O2 I/O4 NJU7058V
R154
10 13 IC5 2
IC5
CONT O/I4
9 14 1
33K
CONT O/I3
8 12 3
VSS I/O3
TC74VHC4066AFK NJU7058V
3.3V
C258
C257 0.0047
C255 R145
0.0047 0.0056 390K
CPU5V
C245 C244
2 IC10
4 1
0.47 0.47
IC5 V+ IC10 3
GND Q38
11 NJU7058V
NJU7058V
LDTC144EE
C246 C247 R124
14
VDD
13
0.015 0.033
CONT1 8.2K
12
CONT4
11
I/O4 IC10
10 6
O/I4 R140
9 7
O/I3
5
8
I/O3 100K
NJU7058V
R309
CPU5V
470
CPU5V
BEEPO
BEEPI
R186
100K
Q362 1 12
VIN0 VREF
2 11
VOUT0 IC22 AVDD
4 3 3 10
VOUT1 AK2331 VSS
4 9
VIN1 DVDD
5 2
6 1
DMG504010
CP2
CPU5V
CP10S
CP3
FLTXD
CP10S
CP4 CP7
FLRXD
CP10S CP10S
CP5 CP8
MDO
CP10S CP10S
CP6 CP9
GND
CP10S CP10S
R120
SSM3J35FS
CPU5V
470 Q36
Q37
LDTC144EE
R232
100K
1
VCC
BATRXD 2
P50/SIN3_1/INT00_0/VV4
3
BATTXD
P51/SOT3_1/INT01_0/VV3
LCDCE 4
P52/SCK3_1/INT02_0/VV2
SYSRDY 5
LRB751S P53/SIN6_0/TIOA1_2/INT07_2/VV1
RESETB 6
P54/SOT6_0/TIOB1_2/VV0
D30
BTD NCSCK 7
P55/SCK6_0/ADTG_1/SEG39
NCSDATA 8
SN74LVC1G04DCK P56/INT08_2/SEG38
ESTB 9
P30/TIOB0_1/INT03_2/COM7/SEG43
10
IC21 DASTB2O
P31/SCK6_1/TIOB1_1/INT04_2/COM6/SEG42
1 5 DASTB1O 11
P32/SOT6_1/TIOB2_1/INT05_2/COM5/SEG41
2 Q34 FSTO 12
P33/SIN6_1/TIOB3_1/INT04_0/ADTG_6/COM4/SEG40
4 13
3 PSTB
P34/TIOB4_1/FRCK0_0
EXOE 14
P35/TIOB5_1/INT08_1/IC03_0
SCKO 15
P36/SIN5_2/INT09_1/IC02_0
SDATAO 16
P37/SOT5_2/INT10_1/IC01_0
17
RSTN
2SK3019 P38/SCK5_2/INT11_1/IC00_0
EPTT 18
P39/DTTI0X_0/ADTG_2/COM3
IPTT 19
P3A/TIOA0_1/RTO00_0/RTCCO_2/SUBOUT_2/COM2
20
UNLK
P3B/TIOA1_1/RTO01_0/COM1
R5C 21
P3C/TIOA2_1/RTO02_0/COM0
T5C 22
P3D/TIOA3_1/RTO03_0/SEG37
S5C 23
P3E/TIOA4_1/RTO04_0/SEG36
24
AFVS
P3F/TIOA5_1/RTO05_0/SEG35
25
VSS
Q408
DUSE
LDTC144EE
LDTC144EE
C216
WNC
0.0047
Q33
R188
MODIN
2.5 V 680
NJU7058V
6
IC5
7
5
CPU5V
C620
1
IC10
R608
9
NJU7058V
2SK3019
R142
8 WDECV
Q600
1K
10
1K
R132 C251 R143 C256
VOLIN
150K 270P 18K 1
10K
R139
2SK3019
Q601
15K
R607
C426 R432
0.1 100K
R427
C421 R426 C423
4.7K 39K 0.47
1
13 IC10
14
R429
12
100K
NJU7058V
9-2
IC401
MB9AFAA2NPMC
P20/INT05_0/CROUT_0/SEG10
P21/SIN0_0/INT06_1/WKUP2/SEG11
P22/SOT0_0/TIOB7_1/SEG12
P23/SCK0_0/TIOA7_1/RTO00_1/SEG13
P1F/AN15/FRCK0_1/ADTG_5
P1E/AN14/RTS4_1/DTTI0X_1/SEG14
P1D/AN13/CTS4_1/IC03_1/SEG15
P1C/AN12/SCK4_1/IC02_1/SEG16
P1B/AN11/SOT4_1/IC01_1/SEG17
P1A/AN10/SIN4_1/INT05_1/IC00_1/SEG18
P19/AN09/SCK2_2/SEG19
P18/AN08/SOT2_2/SEG20
P17/AN07/SIN2_2/INT04_1/SEG21
P16/AN06/SCK0_1/SEG22
P15/AN05/SOT0_1/IC03_2/SEG23
P14/AN04/SIN0_1/INT03_1/IC02_2/SEG24
P13/AN03/SCK1_1/IC01_2/RTCCO_1/SUBOUT_1/SEG25
P12/AN02/SOT1_1/IC00_2/SEG26
P11/AN01/SIN1_1/INT02_1/FRCK0_2/WKUP1/SEG27
P10/AN00/SEG28
CPU5V
8.0 MHz
5.0 Vp-p
R615
R620 10K
10K
C623
0.1
C622
0.1
C621
AVSS GPIO10/TMBIO1/INTB3
33
10 AVDD GPIO9/TMAIO1/PWM1
34
VREF GPIO8/TMBIO0/INTB2
35
DAOUT0 GPIO7/TMAIO0/PWM0
36
DAOUT1 GPIO17/TCLKA
37
AVDD DVDD33
38
AVSS DVSS
39
JTAG_TDI LC703200AW DVDD15
40
JTAG_TCK MODE0
IC600
41
SCL MODE1
42
SDA/SIO0_BUSY JTAG_TDO
43
DVDD15 JTAG_TMS
44
DVSS XVDD
45
DVDD33 XOUT
46
INT0 XIN
47
NITB1 XVSS
48
C619
0.1
C618
0.1
LDTC144EE
Q602
R614
10K
*Refer to the PARTS LIST for the value and name of component.
VCC
CPU5V
RESET
NJU7704F3
4 3
VOUT MR
2
VSS
5 1
VDD CD
IC410
CP11
TEST1
CP10S
CP12
TEST2
*R499
CP10S
75
VSS
74
73
FLRXD
72 FLTXD
71 TEST1
70 TMUTE
69 DUSE
68 LOW
67 ADKEY2
66
ADKEY1
65 LVIN
64 AFIV
63 TDETV
62
AVSS
61
AVRH
60
AVCC
59
58
57
56
55 WDECV
54 CDECV
53 VOXV
52
BATTV
51 NOISV
VCC
RSSIV
TEMPV
OPTV
CSFT
X401
CR-1022
C414 R495
100P 22K
L601 3.3 V
IC602
4.7U
3.3V 5 1
VOUT VIN
2
VSS
4 3
NC
ON/OFF
S-1313D33
1.5 V
IC601
L600
5 1
VOUT VIN
2
4.7U
VSS
4 3
NC ON/OFF
S-1313D15
16
15
14
R621
13
12
10K
11
10
R623
9
8
100K
R624
7
6
100K
5
R619 C624
4
3
470 10P
2
1
C608
0.1
C609 C625
0.1 10P
C610
0.1
VCC
CPU5V