Voltage Diagram - Icom IC-V8000 Service Manual

SECTION 10

VOLTAGE DIAGRAM

10-1 LOGIC BOARD
MICIN EP1 MMZ1608Y102BT
8
GND EP2 MMZ1608Y102BT
7
MIC EP3 MMZ1608Y102BT
6
MICE EP4 MMZ1608Y102BT
5
PTT EP5 MMZ1608Y102BT
4
From the Microphone
EXTMIC EP6 MMZ1608Y102BT
3
MICUD EP7 MMZ1608Y102BT
2
8V EP8 MMZ1608Y102BT
1
J1
3017-8821
C11
C16 C20 C23
0.001 0.001 0.001 0.001
C28
D3
0.001
NA8 091 M
R107
100 k
R11
100 k
C19
0.01
R4
GND
30
10 k
OPV1
15
+5V
29
OPV2
14
28
EXSTB
13
27 R106 10 k
12
26
OPT3
11
25
10
24
OPT1
9
DETO
23
to the optional unit
8
AFOUT
22
7
21
6
OPT2/CCS
20
5
19
MICIN
4
SO
18
MICOUT
3
SI
17
2
SCK
16
1
J4
AXN3 30C130P
NOIS
12
SD
11
DETO
10
CTCSS
9
PDET
8
+5V
7
AFE
to Main unit J2
6
OPV1
5
SCK
4
TEMP
3
MODIN
2
UNLK
1
J2
C4 C9 C14
53244-1217 C1
0.001 0.001 0.001 0.001
QS
12
PLLSTB
11
PLLCK
10
SO
9
GND
8
EXSTB
7
to Main unit J1 +8V
6
C5V
5
VOLOUT
4
LVIN
3
POWON
2
CLONE
1
J3
53244-1217
C13 C30
C5 C7 C10 C15
47 P 0.001 0.001 0.001 0.001 47 P
R5
C8
330 k
0.01
R2
120 k
5
1
3
2
D1
R3
R1
MA8091 M
12 k 10 k
D4
DAN222
C31
47 P
D2
MA2S111
R20
R9
1 k
22 k
C39
R101
4.7 k 0.001
MICUD
R27 R36
120 k 12 k
C: 4.9 V C45
0.01
Q2
2S C4116 GR
C43
DTC144EU
0.047
R10
10 k
R31
R22 EVU-F 2AF20A14 10KA
1 k
R18
C40
EVU-F2AF 20B14 10KB
0.001
VOLOUT
R24
15 k
C37
0.01
R16
68 k
C35
0.033
R21
R17
68 k 68 k
C34 C38
0.0068 0.0018
D6
R59
DA221
R93
15 k
1 k
Q5
C64
DTC144TU
C: 7.8 V 0.01
10 - 1
R15
R6 100
100 k
R109
CP1
IC3
27 k
NJM12902V
C32 R14
R13
10
10 k
4 1.2 k
C33
R104
0.1 3
IC1 18 k
TA75S393F
R103
2
150 k
IC2
TC4S66F
R105
1 5 1 k
R23 C79
2 C36
100 k
220 P
0.1
3 4
C41
R19
R8
0.1
2.2 k 1 k
R12
100 k
PTT
MICUD
MICIN
MICOUT
MODIN
SQLV
CTCSS
VOLIN
IC5
HN58X2432TI
Q1
8 D11
1
A0 VCC
1SS 133
2 7
A1 WP
3
6
A2 SCL
4 5
VSS SDA
R58
100 k
MONI/ANM
R57
C62 15 k
0.001
C5V
C: 5.0 V
IC4
R40
R108
S-80942ANMP-DD6 10 k 47 k
V-MHz/SCAN
4 3
NC VSS
2 PWRSW
VDD
5 1
CD OUT
C51
0.027
S18
R25 C52
C49
10 k 47 P
0.1
R28
100 k
4 3
5 2
6 1
Q3
R37
XP4601
100 k
R29
10 k
R32 C46 C48
R34
0.022
1.2 k 68 k 0.0022
4
IC3
V+
GND
C78 NJM12902V
C42
0.01 11
CP2
0.047
IC3
C44
NJM12902V
0.0056
12
1 14
13 C50
220 P
R30 R35 R38
R26
15 k 100 k
470
100
R39
C47
150 k
0.1
D16 D17
D22 D23
MA2S 111 MA2S111
MA2S 111 MA2S111
BAND1 BAND2 BAND3 BAND4
D13
MA2 S111
D15
MA2S111
COMEXP D12 D14 DTC144EU
TXFREE RXEXP SCRAM
S-MW/MW
S10 S11 SET/LOCK S12 S13 DTMF
D9 D21
DAN222 DAN222
S17 S16 S15 S14
M-CALL/PRIO TONE/T-SCAN LOW/DUP
D7
D8
DAN222
DAN222
IC8
BU4094BCFV
C65
0.01
1 14
I/O VDD
R53 2 13
O/I CONT.A
1.5 M 3 12
O/I CONT.D
C56
4 11
C57 I/O I/O
0.0022
5 10
0.0027
CONT.B O/I
9 6 9
CONT.C O/I
8
7 8
C54 VEE I/O
10
0.01
IC6
IC3
R45 R49 R50 R56 BU4066BCFV
NJM12902V
3.9 k 27 k 1 M 1
RMUT
MODIN
CTCSS
CTCC
CTCIN
VOLIN
AFON
REMO
PTT
MICUD
SQLV
PDET
CTCIN
SD
LVIN
R47
100 k TEMP
R41 PDET
12 k
R52
Q4
1 k
X1
C53
CR-663 R51
68 P
10
1
R48
PB0/AN0
1 M 2
AVSS
3
TEST
4
X2
5
X1
6
C55 C59
VSS
7
4 P 15 P XIN
OSC1
XOUT 8
OSC2
RESET 9
RES
10
NMI
CSHIFT
11
P20/IRQ4/ADTRG
SCKC 12
P21/SCK1
SIC 13
P22/SI1
14
R46 SO
P23/SO1
1 k PTT 15
P24/SCK3
CLIN 16
P25/RXD
17
CLOUT
P26/TXD
PWRSW 18
P27/IRQ0
19
P17/IRQ3/TMIF
20
COLOR
P16/IRQ2
DIM1 21
P15/IRQ1
DIM0 22
P14
REMO 23
P13/TMIG
DIUD 24
P12/TMOFH
DICK 25
P11/TMOFL
MICS
MMUT
UNLK
R60
56 k
R62
56 k
R61
56 k
R87
1 k
PWRON
CLIN
CLOUT
+5V
PWRSW
RESET