Icom IC-V8000 Service Manual page 29

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
From the Microphone 4
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
C31
NA8 091 M
47 P
R20
1 k
R101 C39
R107
4.7 k 0.001
100 k
R11
100 k
C19
0.01
R4
GND
30 10 k
OPV1
15
+5V
29
OPV2
14
28
EXSTB
13
R27
27 R106 10 k
120 k
12
26
OPT3
11
25 C: 4.9 V
10
24
OPT1
9
C43
DETO
23 0.047
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 R18
DETO
EVU-F2AF 20B14 10KB
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
R16
68 k
QS
12
PLLSTB
11
PLLCK
10
SO C34
9
GND 0.0068
8
EXSTB
7
to Main unit J1 +8V
6
C5V
5
VOLOUT
4
LVIN DA221
R93
3
POWON 1 k
2
CLONE
1
J3
53244-1217
C: 7.8 V
C5 C7 C10 C13 C15 C30
47 P 0.001 0.001 0.001 0.001 47 P
10 - 1
R15
R5 C8 R6 100
330 k 100 k
0.01
R109
CP1
R2 27 k IC3
120 k 5 NJM12902V
1 C32 R14
R13
10 10 k
4 1.2 k
C33
R104
3 3
IC1 0.1 18 k
2
TA75S393F
D1 2
R3
R1
10 k MA8091 M
12 k IC2
TC4S66F
R105
D4 1 5 1 k
R23 C79
DAN222 2 C36
100 k 220 P
0.1
3 4
R19 C41
D2 R8
0.1
MA2S111 2.2 k 1 k
R9 R12
22 k 100 k
PTT
MICUD MICUD
MICIN
MICOUT
MODIN
SQLV
CTCSS
R36 VOLIN
12 k
C45
IC5
0.01
HN58X2432TI
Q1
Q2 8 D11
2S C4116 GR 1
A0 VCC
DTC144EU 2 7 1SS 133
A1 WP
3 6
A2 SCL
4 5
VSS SDA
R58
100 k
R10
10 k
R57
C62
15 k
0.001
C5V
C: 5.0 V
IC4
R108 R40
S-80942ANMP-DD6 10 k 47 k
R31
4 3
R22 EVU-F 2AF20A14 10KA
NC VSS
1 k 2 PWRSW
VDD
5 1
CD OUT
C40
0.001
C51
0.027
VOLOUT
S18
R24 R25 C49 C52
C37 15 k 10 k 47 P
0.1
R28
0.01
100 k
C35
0.033
4 3
5 2
R21
R17
68 k 68 k
6 1
C38 Q3
0.0018 R37
XP4601
100 k
R29
10 k
D6
R59 R32 R34 C46 C48
1.2 k 68 k 0.022 0.0022
15 k
Q5
C64
DTC144TU
0.01
4
V+ IC3
C78 GND NJM12902V
C42
CP2 0.01 11
0.047
R53
IC3
1.5 M
C44
NJM12902V
C56
0.0056
0.0022 C57
0.0027
12 9
1 14 8
R103 C54
13 C50 10
0.01
150 k R30 R35 220 P
R38
R26 100 k IC3
15 k 470
100 R45 R49 R50 R56
NJM12902V
3.9 k 27 k 1 M
R39
C47
150 k
0.1
RMUT
MODIN
CTCSS
CTCC
CTCIN
VOLIN
AFON
REMO
PTT
MICUD
SQLV
PDET
D22 D23 D16 D17
MA2S 111 MA2S111
MA2S 111 MA2S111
R47
BAND1 BAND2 BAND3 BAND4 100 k
R41
12 k
D13
MA2 S111 Q4 R52
D15
1 k
MA2S111 DTC144EU
COMEXP D12 D14
TXFREE RXEXP SCRAM
X1
C53 CR-663 R51
68 P
10
S-MW/MW
R48
MONI/ANM S10 S11 SET/LOCK S12 S13 DTMF
1 M
C55 C59
4 P 15 P
D21
D9
DAN222 DAN222
R46
1 k
S17 S16 S15 S14
V-MHz/SCAN M-CALL/PRIO TONE/T-SCAN LOW/DUP
D7
D8
DAN222
DAN222
IC8
BU4094BCFV
C65
0.01
PWRON
CLIN
CLOUT
+5V
PWRSW
RESET
R72
220 k
C71 R73
0.01 330 k
1 14
VDD
I/O
2 13
O/I CONT.A C69
3 12 R67 C73 R74
0.1
O/I CONT.D 10 k 2.2 150 k
4 11
I/O I/O
5 10
CONT.B O/I R75
6 9
CONT.C O/I 68 k
7 8
VEE I/O R64
C66 1 M C72
IC6
0.033
0.01 R69 R70 R71
BU4066BCFV C74
1 10 k 39 k 10 k 0.0056
MICUD
C70
0.01
SQLV
DICK
DIUD
CTCIN
SD
LVIN
TEMP
PDET
1 75 SEG20
PB0/AN0 P97/SEG40
2 74 SEG19
AVSS P96/SEG39
3 73 SEG18
TEST P95/SEG38
4 72 SEG17
5 X2 P94/SEG37
71 SEG16
X1 P93/SEG36
6
70 SEG15
VSS P92/SEG35
XIN 7 69 SEG14
OSC1 P91/SEG34
XOUT 8 68 SEG13
OSC2 P90/SEG33
RESET 9 67 SEG12
RES P87/SEG32
10 66 SEG11
NMI
CSHIFT P86/SEG31
11 65 SEG10
P20/IRQ4/ADTRG P85/SEG30
12
SCKC 64
P21/SCK1 P84/SEG29
SIC 13 IC7
63
P22/SI1 P83/SEG28
SO 14 62
HD6433876B53H
P23/SO1 P82/SEG27
PTT 15 61
P24/SCK3 P81/SEG26
CLIN 16 60
P25/RXD P80/SEG25
CLOUT 17 59
P26/TXD P77/SEG24
18
PWRSW 58
P27/IRQ0 P76/SEG23
19
57
P17/IRQ3/TMIF P75/SEG22
COLOR 20
56
P16/IRQ2 P74/SEG21
DIM1 21 55 ESDA
P15/IRQ1 P73/SEG20
DIM0 22 54 ESCK
P14 P72/SEG19
REMO 23 53 DUSE
P13/TMIG P71/SEG18
24
DIUD 52 PWRON
P12/TMOFH P70/SEG17
DICK 25
51
P11/TMOFL P67/SEG16
MICS
MMUT
R55
W/N 1 k
R54
ANI 1 k
UNLK
R60
56 k
R42 R43
R44
R62
1 M 1 M 1 M
R61 56 k
56 k
C67 C68
10 0.1
R87
1 k
R81
120 k
R91
R96
C75
120 k 39 k
270 P
R76
18 k
6 R84
1.5 k
7 SP1
045P0804
5
IC3
NJM12902V
R78 C76
100 k 0.033
R92 VS-57
18 k C77
2.2
1
A
2
B
3
NC
4
COM
S9
DICK EVQ-VENF01 24B
DIUD
DS1 DS4 DS7 DS10
SEC 2422C SEC 2422C SEC 2422C
SEC 2422C
R G R G R G R G
DS19
L1-0256TAM
COM1 1
COM1
COM2 2
COM2
COM3 3
COM3
COM4 4
COM4
5
SEG1 DS13
SEG1 DS16
SEG2 6 SML-310MT
SEG2 SML-310MT
SEG3 7
SEG3
SEG4 8
SEG4
SEG5 9
SEG5 DS11
SEG6 10
SEC 2422C
11 SEG6
SEG7
SEG7
12
SEG8
SEG8
SEG9 13
SEG9 R G R G R G R G
SEG10 14
SEG10 DS2 DS5
SEG11 15
SEC 2422C DS8
SEG11 SEC 2422C
SEG12 16
SEC 2422C
SEG12
SEG13 17 DS14 DS17
SEG13
18 SML-310MT SML-310MT
SEG14
SEG14
SEG15 19
SEG15
SEG16 20
SEG16
SEG17 21
SEG17
SEG18 22
SEG18
SEG19 23
SEG19
24
SEG20
SEG20 DS18
SEG21 25
SEG21 SML-310MT
SEG22 26 R110
SEG22
SEG23 27 1 k
SEG23
SEG24 28
SEG24
SEG25 29
SEG9 SEG25
30
SEG8 SEG26
SEG26
SEG27 31
SEG7
SEG27
SEG28 32
SEG6
SEG28
SEG29 33
SEG5
SEG29
SEG30 34
SEG4
SEG30
SEG31 35
SEG3 SEG31
36
SEG2 SEG32
SEG32 R100
R94 R97 R102
SEG1
82 150 330 560
Q6
2SA1576 R
R77 R83 R86 R89
5.6 k 68 180 390
Q7
2SC4116 GR
Q8
2SC4116 GR
R85
R79
4.7 k 8.2 k
D20
R80 DAN222 Q9
COLOR 1 k DTC144EU
DIM0 R82
1 k Q12
DIM1
2SC4116 GR
PWRON
R99
47 k