Icom iV86 Service Manual Addendum page 46

(Amended page)
April 2020
• MAIN UNIT (for IC-V86 and IC-V86-T) (2/3)
VCC
VCC
+5V
+5V
S5V
T5V
+3.3V
+3.3V
Backlight
POSW
ON : 3.5 V
DS401
OFF : 4.6 V
PWON
LIGT HT-191UYG
CL
Q400
Backlight
2SC4116
TXC Backlight
ON : 1.5 V
OFF : 0 V ON : 0.8 V
XPTT
OFF : 0 V
VOXV
MAIN UNIT
(3/3)
S5C
VCL
VDT
BEEP
DS400
AFON GP11538A6
RMUT
ATX
BATV
MIC1
MIC2
IPTT
S401
TAFG-12W
[PTT]
S400
ED08902OFK150S070C
DIUD
DN
[VOL]
E
DICK
UP
KR0
[1]•[TONE] [2]•[VOX]
S402 S406
KEY KEY
KR1
[4]•[DUP] [5]•[SCAN]
S403 S407
KEY KEY
KR2
[7]•[PRIO] [8]•[SET]
S404 S408
KEY KEY
KR3
[ ]•[FUNC] [0]•[DTMF-M]
*
S405 S409
KEY KEY
*D400 BAND1
*D401 BAND2
*D402 FREQ1
ISO2 *D403 FREQ2
*D404 EXHI
*D405 TXFREE
*D406 RXFREE
ISO1 *D407 COMEXP
DS402
HT-191UYG
+3.3V
+3.3V +3.3V
+3.3V
IC400
BR24G128NUX
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
EEPROM 16 kbyte
[3]•[T.SCAN] [MONI]
S410 S418
KEY KEY
[6]•[SKIP] [▲]
S411 S415
KEY KEY
[9]•[H/M/L] [▼]
S412 S416
KEY KEY
[# ENT]•[ ] [VFO/MR/CALL]
S413 S417
KEY KEY
The underlined parts have been updated from the previous version of the addendum, or from the original page.
VCC
VCC
+5V
+5V
S5V
T5V
+3.3V
+3.3V
SWDIO
SWCLK
NRST
BOOT0
FLTXD
FLRXD
12.288 MHz
+3.3V
ESCL
ESDA
CP403
CP06S
DICK
DIUD
POSW
FLTXD
FLRXD
26
PA3
27
VSS
28
VDD
BEEP 29
PA4
30
RFPWR
PA5
31
TEMP
PA6
32
MDET
PA7
33
VOXV
PC4
34
MIC2
PC5
35
MIC1
PB0
36
BATV
PB1
37
PB2
38
SEG8
PE7
39
SEG9
PE8
40
SEG10
PE9
41
SEG11
PE10
42
PE11
43
PE12
SEG12 44
PE13
SEG13 45
PE14
SEG3 46
PE15
SEG14 47
PB10
SEG15 48
PB11
49
VSS
50
VDD
+3.3V
CP408
Explanatory notes CP06S
Voltage Line
8-2a
Q401
DTC044TEB
R426
15k
+3.3V
CLOCK/CLOCK SHIFT 12.288MHz
X400
CR-1021
R421
1M
RESET
12.288 MHz
IC403
1
CD VDD
2
1.93 Vp-p 1.45 Vp-p VSS
3
MR VOUT
NJU7704F3
SEG7
SEG6
100 +3.3V
VDD
99
VSS
98 SEG5
PE1
97 SEG4
PE0
96
COM4
PB9
95
PB8
94
BOOT0
93
PB7
92
PB6
91
PB5
90
PB4
89
PB3
IC402 88
PD7
STM32L073VBT6 87
PD6
86
PD5
85
PD4
84
PD3
83
PD2
82
PD1
81
PD0
80
PC12
79
PC11
78
PC10
77
PA15
76
PA14
+3.3V
VCC
VCC
+5V
+5V
S5V
T5V
+3.3V
+3.3V
ATSDA
CLONE ATSCK
ATCTS
MAIN UNIT
BUFFER
ATSQ
(1/3)
ATDTMF
R428
MDET
TMUT
0
RFPWR
D413
TEMP
CL APCSW
LRB706F CLI
CLO
+3.3V
CSFT
R429
5
10k
4 NRST
ATSDA
ATSCK
ATCTS
ATSQ
ATDTMF
TMUT
S5C
TXC
ISO1
ISO2
XPTT
BOOT0
ESDA
ESCL
IPTT
RMUT
KR3
KR2
KR1
KR0
KS3
KS2
KS1
KS0
CSFT
CLI
CLO
PWON
SWCLK