Icom IC-V80E Service Manual Addendum page 62

SECTION 10. VOLTAGE DIAGRAM
MAIN UNIT (1/2)
DS1
TAK-35426
SEG17
SEG18 51
SEG19 52
SEG20 53
SEG21 54
SEG22 55
SEG23 56
SEG24 57
58
59
60
61
NW C
62
INTPTT
63
INTMIC
MIC2 64
MIC1 65
LEDC 66 R5F2L3AAANFP
DICK 67 IC8
DIUD 68
IS0 69
KS3 70
KS2 71
KS1 72
KS0 73
74
KR3
75
KR2
KR1
KR0
C776
0.0047
0.0047
C777
D65
R449
1k
R238
1k
*D49 *D48 *D47 *D46
D42
D44 D43 D41
L1SS400 L1SS400
L1SS400 L1SS400
KEY [1] KEY [2] KEY [3] KEY [ MONI ]
S120 S116 S112 S108
KR0
KEY [4] KEY [5] KEY [6] KEY [▲ ]
S121 S117 S113 S109
KR1
KEY [7] KEY [8] KEY [9] KEY [▼ ]
S122 S118 S114 S110
KR2
KEY [*] KEY [0] KEY [#] KEY [V/M/C]
S123 S119 S115 S111
KR3
HT-191UYG HT-191UYG
LED_ON:
DS3 DS2
3.29V
Q25
R29
R204
470k
2SC4116 LED_ON:
3.3k
LED_ON:
LED_ON: 4.90V
0.82V
1.52V
R155 R205 R31
82 1.5k
330k
C245
0.01
R225 R228
IC7
10k
1 8
A0 VCC
2 7 100k
A1 WP
3 6
A2 SCL
4 5
VSS SDA
R1EX24032ATA00A
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0.001
C38
R8
R11
12k R102
100 10
X2
R448
47k HVD144A
C195
CR-899
22P
D13
SHIFT:4.89V
NORMAL:0V R6
C16 R101
4.7k 1M
0.1
C193 C194
SHIFT:4.14V
10P
15P
2.2M
NORMAL:1.41V
R235
C778
C7 C9
C11
C6
0.0047
R194 R195 R196
220k 220k 390k
R193 0.0047
0.0047 0.0047
C779
220k C780
0.22 0.22
0.22
R16
R346
C37
4.7k
0.1
47k
C199
S105
KEY
0.1
CP6
CP10S
10 - 1
7.20V
CP2
BATT+
C283
R331
CP3
10k
100 C173
BATT-
C12 R148 C197
0.001
0.1
0.1 100k
IC11
Q78
N JU7704F3
1 5
CD VDD
2
VSS
3 4
MR VOUT
RESET C380
10
C144
C230
0.001 0.027
R332
4.7k
0.04V
5.00V
J6
ESCK
2 C377
ESDA
10
1 C378
0.1
R451
PSVCO
SHIFT
PTT MMZ1005Y102C T
POWER
CLOUT
EP10
CLIN
NOIS J3
UNLK C169
R450 0.001
DUS E
0
C36
0.1
CLOUT
CLIN
PCON
RESET CTCOUT
R227 R224
12k 120k C216
MODE C219
0.01 0.047
DUS E
CTCOUT
Q38
TONE LDTC144EE
FLRXD
MMUT TONE
J2
R132
470 MMZ1005Y102C T
MIC
0.001
EP11
C166
C170 C165
EP5
10 0.001
MMZ1005Y102C T
R:5.00V
T:4.78V
R133
10k
PTT 2SA1832
Q17 R134
C147
0.047
R130 2.2k
R:5.00V
100k C157
T:4.11V
0.001
R9 R:0V
WXALT T:4.78V
CTCIN
SD
TEMP T:5.02V
R:0V
R142 MC 1
D34
1k 100k EM6027P R144
33k
INTMIC
AVR-M1005C080M T
Q82
INTPTT
C148 LDTC144EE
C143 T:0.02V
0.001
0.001 R:5.00V
S3 C221
CP10S
SW-149 5.02V 2.51V 0.018
CP9
C224
0.1
R213
2.2M
0.32V
L1SS400
CP10S
IC13
D31
CP4 R216
VOX 1 8
2 7
CP8 330k
3 6
R215
CP10S
MODE R217 C223 56k 4 5
1M 0.1
C226
TONE NJM2904V
RESET
0.0022
FLRXD
R214
0.01V
1k
C222
470P
CP7
CP10S
5.02V
L1SS400
D10
SW5V
R457
Q22
Q21
L2SA1576AS
0 L2SA1576AS
C282
IC12
0.001
Q55
R260 R261
10k 47k
6.54V 4.24V
4
4.7k
C398 R141
KTA166
10
KTC811U
S-812C50AMC C161
5.03V C162
0.01
0.01
C379
0.001
5.00V
2SB1132
R120
LDTC144EE KTC811U
Q16
47k
Q56
R246
1M
5.02V
D39
C139
L1SS400
5.02V
R330
4.52V
10k
C376
C381
0.001 10
R129
0
C156
C153
0 220
220
IC5
Q31 VO+
D27 5
LDTC144TW
SE/BTL
6
GND SHUTDOWN
7
VO-
8
TPA0211DGN
LRB706F
R174
R127
100k
15k
R44
1k
R97 R115
2.52V
120k
0
2.52V
C135
C212 R98
270P
100k
0.01
R114
9
C213 R117
R107
8
18k
R131
2.49V 10
2.2 150k
470 1.5k
IC3
LMV324IPW
R169 C137
C136
R159
0.033
82k 0.0056
100k
C154
10
R257
2.52V
220k
2.50V IC3 2.50V
LMV324IPW
C209 R209 C304 C132
3
0.047 0.0056
1 4.7k R95
1
R266 2
1.5M
C134
15k
R218
13
220P
14
R105
100k
R104
12
470
100k R108
2.52V
330k IC3
R219 LMV324IPW
C220
C133
0.1
0.018 560
R221
R211
15k
1.5k
C210
2.52V
0.1
R321
10k
R206
100k
220k R336
100k
R208
0.15V Q53
1
Q81 2
2.49V XP1215 0.70V
R207 3
27k
XP4601
R327
C782
R212
100k R323
330k 0.047
R325 10k
C374
68k
C372 R324
1.2k
0.0022 0.033
mic1:4.98V
m ic2:0V mic1:4.98V
mic3:4.98V mic2:4.98V
m ic4:0V m ic3:0V
m ic4:0V
S801
UP
E
DN
TP70N00E2015F
*: Refer to the PARTS LIST for the value and name of component.
4.86V
4.92V
A
PS5
B
R5
C
C174
10
4.30V
10k
R139
R5C
T5C
Q15
6.62V
R122
4.7k
5.18V
C171
0.1
1
10 C145
R123
R121
100k
1k
5.49V
BYPASS
4
VDD
5.6k
3 AFON
2 VOLOUT
IN
1
R126 C151
0.47
C150
C152
0.047
0.1
AFON
MMUT
IC4
1 14
PS5
I /O1 VDD
2 13 RMUT
O/I1 CONT1
3 12 R5C
O/I2 CONT4
4 11 MODIN
I /O2 I/O4
5 10
CONT2 O/I4
6 9
CONT3 O/I3
7 8
VSS I/O3
33k
CD4066BPWR C131
0.01
R453
C128
R112
VOLIN
1M
0.1
R452
47k
C783
0.022
2.56V
C125
0.0022
C126
C124 C217 R177
0.0022 0.1
0.01 1k
2.35V
R176
R93
3.9k
R94 15k
1M
VREF
4.92V
R5
C249
0.01
1.77V
R320
15k
0.033
C369
6 1.15V
R318
R319 R326 D
5
68k 68k 68k
4
C370
C373
0.0022
0.0068
E
3.10V
R334
R333
100k 10k
R338 C385
C386
100k 0.0033
330P