Icom IC-7200 Service Manual page 63

Oct. 2008
SECTION 10. VOLTAGE DIAGRAM
• LOGIC UNIT (LOGIC-1)
HV
14V
8V
5V
KR0
KR0
KR1
KR1
KR2
KR2
KR3
KR3
KR4
KR4
KR5
KR5
KR6
KR6
KR7
KR7
KS0
KS0
KS1
KS1
KS2
KS2
KS3
KS3
KS4
KS4
DISCK
DISCK
DISDA
DISDA
DISEN
DISEN
DISST
DISST
L3
100U
L1
LOGIC-2 100U
BL1S
BL1S
BL2S
BL2S
AFGL
AFGL
CIV
CIV
CIVE
CIVE
ERXD
ERXD
ETXD
ETXD
MDNK
MDNK
MNFL
MNFL
MSA
MSA
MSB 1
MSB P94/DA1/TB4IN
MSNDL 2
MSNDL P93/DA0/TB3IN
MSNDS 3
MSNDS P92/TB2IN/SOUT3
MUPK 4
MUPK P91/TB1IN/SIN3
PB1L DRESL 5
PB1L P90/TB0IN/CLK3
6
PB2L
PB2L BYTE
7
RFGL
RFGL CNVSS
8
RITD UPWS
RITD P87/XCIN
9
SPS UMDS
SPS P86/XCOUT
C1
10
UDL
UDL RESET
11
MIC
MIC 12P XOUT
12
MICE
M ICE VSS
13
SQLS
SQLS XIN
C2
14
PHOE
PHOE VCC
15
PHO X1
PHO 12P P85/NMI
16
CR-636A
P84/INT2
17
VBUS
R202 P83/INT1
18
P82/INT0
BL2S 1K 19
P81/TA4IN/U
BL1S 20
P80/TA4OUT/U
USCK 21
P77/TA3IN
USDA 22
P76/TA3OUT
MDNK 23
P75/TA2IN/ W
MUPK 24
P74/TA2OUT/W
MSA 25
P73/CTS2/RTS2
MSB
EBUSY
R301
R302
R303
R304
RITD
IC 3
1 5
R20
OUT CD
2
VDD
3 4
47K VSS NC
BD5242G
4.7K
D211
R213 M A2S111
Q211
2SC4081
Q103
D TC114EU R59
10K
R203
R204
R205
R206
R207
75
P13/D11
74
P14/D12
73
P15/D13/INT3
72
P16/D14/INT4
71
P17/D15/INT5
70
P20/A0(/D0/-)
69
P21/A1(/D1/D0)
68
P22/A2(/D2/D1)
67
P23/A3(/D3/D2)
IC1 66
P24/A4(/D4/D3)
M30620FCPGP 65
P25/A5(/D/D4)
64
(SX-3015A-2)
P26/A6(/D6/D5)
63
P27/A7(/D7/D6)
62
VSS
61
P30/A8(/-/D7)
60
VCC
59
P31/A9
58
P32/A10
57
P33/A11
56
P34/A12
55
P35/A13
54
P36/A14
53
P37/A15
52
P40/A16
51
P41/A17
IC 2
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
47K 4 5
VSS SDA
47K S-24CS64A0I
47K
47K
H5V
52808-1071
10 VCC
9 BUSY
IC5
8 CLK
TA78L05F
7 RXD
6 CE
5 EPM O I
4 GND G
3 RESET
2 CNVSS
1 TXD
J301
H5V : UNSWITCHED +5V
5V : SWITCHED +5V BY PWRS
22
14V
R110
M8V
HV
+8V
+5V
1K KS4
1K KS3
1K KS2
1K KS1
1K KS0
PCK
PDT
PRESL
MRES L
1DST
3DST
1CN0
ASTB2
MDAT
MCK
ASTB1
BSTB
SNDS
TXS
RXS
PWRS
KR0
KR1
+5V
IC6
TA7805F
47 R19
M8V
O I
R18
G 0
HV
IC100
IC101
BA09FP
TA7805F
R109
0 2.2
G G
PHOE
PHO
M8V
PWRS R163 1K
SEND
R174
DCVL
DA221
18K
D125
D126 DA221 DA221 DA221
DA221 D180 D123 D122
TKEY
R183
1K
R126
R151
DOTK 220 R127
DASK R152 220 220
220
ALML R154 220
R239
REFL R155 220
FORL R156 220 0
FANL R157 220
IDL R158 220
IPD R159 220
SQLS
MIC
TCON MICE
D104
SPS
DA221
CIV
CIVE
TSTA
Q 212 Q104
D TA114EU D TC114EU
MC K R237 220
ASTB1 R234 220
ASTB2
R1076 220
BSTB R236 220
MRESL
R235 220
MDAT R238 220
TXS R1077 220
RXS R1078 220
R1085
47K
DRESL R233 220
DRXS R232 220
DTXS R231 220
DCK R230 220
DTFS R229 220
DRFS R228 220
LOST R1075 220
3DST R171 220
1DST R172 220
PDT R176 220
PCK R177 220
PRESL R175 220
1CN0 R212 220
SNDS
D124
R108
330
Q106
DTA114EU DA221
To MAIN UNIT
GND
50
GND
49
GND
48
GND
47
GND
46
GND
45
SPS
44
PHOE
43
PHO
42
NC
41
EP50 M8V
40
M8V
M PZ2012S601A 39
M8V
38
M8V
37
M8V
36
NC
EP55 35
14V
34
14V
MPZ2012S601A 33
14V
32
EP49 14V
31
HV
MPZ2012S601A
30
NC
29
PWS
M PZ2012S601A 28
8V
27
EP48
8V
26
8V
25
8V
24
NC
23
EP47 MPZ2012S601A 5V
22
5V
21
5V
20
5V
19
D5V
18
D5V
17
D5V
16
D5V
15
NC
14
PATL
13
IPV
12
STRT
11
R169 KEY
10
220 IDV
9
ALM
8
SEND
7
SQLS
6
MIC
5
MIC
4
MICE
3
MICE
2
NC
1
J101
50FY-BMT-TB
To MAIN UNIT
FOR
50
REF
49
GND
48
DA S
47
DOT
46
FSKK
45
SNDS
44
CIV
43
CIVE
42
UMDS 220 R1081 UMDS
41
UPWS 220 R1082 UPWS
40
USDA 220 R1083 USDA
39
USCK 220 R1084 USCK
38
VBUS VBUS
37
GND
36
GND
35
GND
34
GND
33
GND
32
MC
31
ASTB1
30
ASTB2
29
BST
28
PRST
27
MDAT
26
GND
25
TXS
24
RXS
23
GND
22
GND
21
GND
20
GND
19
DRES
18
DRX
17
DTX
16
DCK
15
DTFS
14
DRFS
13
LOST
12
3DST
11
1DST
10
PDT
9
PCK
8
PRES#
7
1CN0
6
NC
5
NC
4
NC
3
NC
2
NC
1
D120
D121
J102
50FY-BMT-TB
DA221
DA221
*; Refer to "PARTS LIST."