Icom IC-V85 Service Manual page 25

SECTION 11 VOLTAGE DIAGRAMS
11-1 LOGIC UNIT
PS5V
R131
IC3
LMV324IPW
1.8K
R257
0.0056
10
CP2 C304 C132
8
10K
9
CF20 0.047 C134
R108 180P
PTT
220K
Q17
UNR911FJ
SW5V
CPU5V
SW5V
R479
100K
R478
100K
R164
100K
R482
1M
R483
1M 0.033
R484
1M
R318 R319
68K 68K
J5
AXN330C130P
BD5242G
47K
NC
R382
4
CD
5
DETO
100
R136
S-812C50AMC
NC VOUT
4 3
VIN
2
NC GND
5 1 SW5V
IC12
R5V
2SA1576
PS5V Q54
2SB1132
Q55 PS5C
Q57
XP1501
R5C
4.57V 5.02V
Q56
UNR9213J
R332
6.8K
5.05V
1SS400 D39
R330
10K
IC3
3
1 100K
R546
2
R3
0
LMV324IPW
R545 R547
2SC4617
Q6
0 0
R19
10K
COMMON LINE
RX LINE
TX LINE
IC4
1 14
I/O 1 VDD
2 13
R95
O /I1 CONT1
3 12
O /I2 CONT4
4 11
C126 1.5M I/O 2 I/O 4
6 5 10
CONT2 O /I4
7 6 9
0.0027
C217 C124 CONT3 O /I3
5 7 8
VSS I/O 3
0.1
0.01 IC3
CD4066BPWR
LMV324IPW
R336
100K
Q53
4 3
R325
100K
5 2
68K R327
6 1
10K
XP4601
R323
OPSCK
SI
OPSD
VSS
3
OPV1
VDD
2
OPV2
OUT
1
RESET OPV3
IC21
OPT3
OPT2
OPT1
DCIN R522
LVIN 1k R523
DETO 1k R524
1k
IC7
1 8
A0 VCC
2SA1576 2 7
A1 WP
Q21 3 6 ESCK
A2 SC L
4 5 ESDA
VSS SDA
S-24CS64A0 I
C195
X2
R102
R103 56P
12K 10
CR-836
R101
R398
100K 1M
LIGHTON 7.00V
2SB1132
LIGHTOFF 0.00V
Q1
LIGHTON
LIGHTOFF 0.00V
Q2
2SC4211
390 2.7K 2.7K
2.7K
R7
11 - 1
R97 R115
220K 120K
R98
C212
0.01
150K
R107
C213 C135
270P
2.2 SVA 150K
R113 R114
C128 C214
13
R117
14 14
0.1 0.033
68K 18K
12
1.5K
IC3
LMV324IPW
76
P12/D10 P42/A18
77
P11/D 9 P43/A19
78
P10/D 8 P44/CS0
79
P07/AN07/D7 P45/CS1
80
P06/AN06/D6 P46/CS2
81
P05/AN05/D5 P47/CS3
82
P04/AN04/D4 P50/WRL/WR
83
P03/AN03/D3 P51/WRH/BHE
84
P02/AN02/D2 P52/RD
85
P01/AN01/D1 P53/BCLK
86
P00/AN00/D0 P54/HLDA
87
P107/AN7/KI3 P55/HOLD
88
P106/AN6/KI2 P56/ALE
89
P105/AN5/KI1 P 57/RDY/CLKOUT
90
P104/AN4/KI0 P60/CTS0/RTS0
91
P103/AN3 P61/CLK0
92
P102/AN2 P62/RXD0/SCL0
93
P101/AN1 P63/TXD0/SDA0
94
AVSS P64/CTS1/RTS1/CTS0/CLKS1
95
P100/AN0 P65/CLK1
96
VREF P66/RXD1/SCL1
97
AVCC P67/TXD1/SDA1
98
P97/ADTRG/SIN4 P70/TXD2/SDA2/TA0OUT
99
P96/ANEX1/SOUT4 P71/RXD2/SCL2
100
P95/ANEX0/CLK4 P72/CLK2/TA1OUT/V
R224 39K R227
3.9K
R474
Q38
47K
R346
100K
UNR9213J
4.97V
S801
CNVSS DICK
UP
E
DIUD S125
DN
RXD PWR KE Y
SCLK TP70N00E2015F KS4
BUSY KS3
KS2
KS1
KS0
R413
IC23
100
1
4
NC
2
V+
VCC
3
GND
R126
NC
4
11
VIN
5
10K RIPPLE
IC3
TA7368FG
LMV324IPW
AF ON 6.90V
AF OFF 0.00V
R1 0
5.6
Q14
2SB1132
R1 1
5.6
Q15
2SB1132
R532
KS4
1k
IC8
1k
R530
KS3
50 KS2
49 KS1
48
KS0
47
46
CCS
45
PWRON
44
H/ L
43
42
MONISW
41
DICK
40 37
DIUD
R534
COM3
39 38
COM4
38 IR1 39
47K
VDD
37 IR0 40
R533
VLCD
36 DISEN 41
VLCD1
35 DISCK 42
100K VLCD2
34 DISST 43
VSS
33 DISDA 44
OS C
32 BUSY 45
INH
31 SCLK 46
CE
30 RXD 47
CL
29 TXD 48
DI
28 CLOUT
27 CLIN
26
S104 S10 5
ANI KE Y KE Y
UP DN
D40
1SS400
S108 S10 9 S11 0 S111
SCRM BAND4 KE Y KE Y KE Y KE Y
A B C D
D41
1SS400
S112 S11 3 S11 4 S115
RXEXP BAND3 KE Y KE Y KE Y KE Y
1 2 3 #
D42
1SS400
S116 S11 7 S11 8 S119
TXEXP BAND2 KE Y KE Y KE Y KE Y
46 5 *
D43
1SS400
S120 S12 1 S12 2 S123
COMEXP BAND1 KE Y KE Y KE Y KE Y
7 8 9 0
D44
1SS400
J3
MMZ1608Y121BT
TC38-108-01
C153
EP 7
10
AFOUT
POUT
9
PWGND 15 0
8
PREGND EP 8
7
PHASE
6
NF MMZ1005Y102CT
MMZ1608Y121BT
MA742
D27
Q31
U NR9210J
R174
CLOUT
15K
CLIN
BM02B-ASRS-TF
J6
1
2
TO J6
W5
SP1
2
1
OPC-1190A CS028014
MC1
R120
EM6027P
47K S3
R132
OPT J2
470 EP6
MIC
MMZ1005Y102CT
HSJ1102-018540
MMZ1608Y102BT
COM4
S10996
COM3
1
COM2 SEG25
S1
2
COM1 SEG24
S2
3
SEG23
S3
4
SEG22
S4
5
SEG21
S5
6
SEG20
S6
7
SEG25 SEG19
S7
24 8
SEG24 SEG18
S24 S8
23 SEG23 SEG17 9
S23 S9
22 SEG22 SEG16 10
S22 S10
21 SEG21 SEG15 11
S21 S11
20 SEG20 SEG14 12
S20 S12
IC22
19 SEG19 SEG13 13
S19 S13
LC75834W
18 SEG18 SEG12 14
S18 S14
17 SEG17 SEG11 15
S17 S15
16 SEG16 SEG10 16
S16 S16
15 SEG15 SEG9 17
S15 S17
14 SEG14 SEG8 18
S14 S18
13 SEG13 SEG7 19
S13 S19
SEG6 20
S20
SEG5 21
S21
SEG4 22
S22
SEG3 23
S23
SEG2 24
S24
SEG1 25
S25
COM1 26
C1
COM2 27
C2
COM3 28
C3
COM4 29
C4
36
35
34
VCC
33
DADATA
32
DACK
31
DAST B
30
HV
29
D CIN
28
MODI N
27
VOLIN
26
VOLOUT
25
T5C
24
SW5 V
23
PS5V
22
CTCS S
21
TXC
20
R5V 1k
19
UNLK R538
18
PLLSTB
17
PLPS
16
PLLDATA
15
PLLC K
14
LVIN
13
PLLSW
12
PSVCO
11
DETO
10
SD
9
NOIS
8
CHGI H
7
CHGC
6
VIN
5
HOUT
4
HSW
3
2
1
J7
54104-3696
*; Refer to "PARTS LIST."