Icom iV86 Service Manual Addendum page 24

(Amended page)
February 2021
• MAIN-A UNIT (for IC-G86) (3/3)
+5V
+5V
S5V
S5V
T5V T5V
+3.3V +3.3V
MAIN-A UNIT
VCC
VCC
(1/3)
MICIN
AFO
ATX
[MIC]
J700 EP700
MMZ1005Y102CT
EP701
MMZ1005Y102CT
MC700
1 4
VDD OUT
2 3
GND GND
SPU0410HR5H
Q704
DTC014YEB
IC817
TLV9002IDGK
8
V+
V-
4
C814
1
S5V
VCC
+5V
Battery + CP700 HV
HV
CP06S
Battery −
CP701
CP06S
+5V
+5V
C806
150P
R789
IC701
220k
1
GAIN1 IN
2
GAIN2 GAINSW
C745 3
DET INT
R725
1 4
OUT SENSE
5
39k BUFFIN VREF
6
BUFFGAIN V+
7
BUFFOUT GND
NJM2783V
C741 R788 C798
Q703
DRA9123Y0
270P 10k 1
R726 R734 C747 R784
33k 39k 1 4.7k
Q721
LMUN5213DW1
C703 R703
1 82k
C708
C815 C702 R803 R702
C744
0.1 0.033 1.5k 5.6k 0.0039 AFVO
0.027
R708
Electronic volume
33k
2 IC702
C711
1 1
VIN1 VIN2
2
3
1 VOUT1 VOUT2
3
IC817
GND VCC
TLV9002IDGK 4
DATA CLOCK
U2429G
VCC
The underlined parts have been updated from the previous version of the addendum, or from the original page.
+5V
S5V
T5V
+3.3V
VCC
VCC
VCC
Battery monitor
BATV
Q722
UT6401G
Q712
DTC014YEB
PWON
Q723 D711
RUM002N02
POSW
[ ]
RB751CM
S700
KEY
C799 R727 C807
MICIN
1 1.2k 1
C809
1
14
13
12
11
10
9
8
R733
150k
R735 C748 C750 C752
6
R723 D705 C740
7
1k 1 0.1 0.1
5
10k L1SS400 1
IC817
TLV9002IDGK
S5V
R804
68k
R795 R796 5
3
4
33k 82k
R797
1
IC819
NJU7056F3
47k
2
8
7
6
5 VCL
S5V
Q707
2SB1132G
VCC
R720
+5V
1k
Q725
RUM002N02
Q705
DTC014YEB
8-6b
VCC +3.3V T5V S5V +5V
IC818
1 5
+5V
VCC VIN VOUT
2
VSS
3 4
NC CE
XC6701B502MR
+3.3 V DC/DC
IC707
C769 L702
1 6
GND VBST
10U
2 5
SW EN 0.1
L705 R767
3 4
VIN VFB
22k
10U
TPS561201
R759
10k
5 V/3.3 V
R729
100
IC706 Audio amplifier
ISD8102SYI
C818 C819
1 8
Shutdown VOUTN
1 1 2 7
VREF GND
3 6
MODE VDD
C802 R809 C817
4 5
VIN VOUTP
1 100 1
Q724
RUM002N02
R752
100k
Q711
DTC014YEB
R745
3.9k
+5V
+5V
S5V
S5V
T5V T5V
+3.3V +3.3V
VCC
VCC
POSW
PWON
CL
TXC
XPTT
VOXV
MAIN-A UNIT
(2/3)
S5C
+3.3V VCL
VDT
+5V
BEEP
AFON
S5V switch
RMUT
S5V
T5V switch
Q717
T5V
2SAR502UB
BATV
Q720
2SAR502UB
MIC1
MIC2
TXC
Q718
DTC014YEB
S5C
Q716
DTC014YEB
MP4
1 2
3 4
3620
EP702
MPZ1608S601A
J701