Icom IC-7100 Service Manual Addendum page 79

(Amended page)
February 2017
• MAIN UNIT (MAIN-2)
TO MAIN-3
3R3V
H3R3V
TO MAIN-10
USQLS
USQLS
TO MAIN-9
UDRES
UDRES
UPWS
UPWS
UDRXD
UDRXD
UDTXD
UDTXD
USSENI
USSENI
USKI
USKI
VBUS_
VBUS_
CIV
CIV
CIVE
CIVE
CP501
USB+
EP501
SHORT1005
MMZ1005B601C
5
4
[USB]
3
2
1
J501
CP502
USB-
SHORT1005
R502
VBUS_
VBUS
1k
Explanatory notes
TX Line
RX Line
Common Line
Voltage Line
EP571
J571
MMZ1005B601C
[REMOTE]
CP571
SHORT1005
C804 0.001
C805 0.001
*: Refer to the PARTS LIST for the value and name of component.
Q512
EP511
RZR040P01
MPZ1608S601A
VBUS3.3V
EP512
MPZ1608S601A
R513
1.5k
X511
CR-890
Q511
LDTC114EE
UPWS
R521
1
R522 27
2
27
3
R515 4
100k 5
6
R516
7
1.5k 8
D521
LRB706F
VBUS_
D522
LRB706F
VBUS3.3V
EP541
MMZ1005B601C
C542
0.1
Q541
LDTC114EE
8 28
VBUS DTR
9 27
RST DSR
10 26
NC TXD
IC541
11 25
SUSPEND RXD
CP2102GMR
12 24
SUSPEND RTS
13 23
NC CTS
14 22
NC NC
IC561
TC7WH14FK
R550
USSENI 7 1
22
R551
USKI
22
R563 R564
CIV
CIVE
18k
10k
Q561
CIV L2SA1576AR
CIVE
6 2
C573
R566
10P
Q562 IC561
TC7WH14FK
L2SC4081
12k
CP561
5 3
SHORT1005
IC561
TC7WH14FK
33
3R3V
24
DP4
DP0
23
DM4
DM0
22
OVRCUR4
VCC
21
PWRON4 R531
RESET IC511
20 R533
TUSB2046BIVFR DP3
EECLK
19
DM3
EEDATA/GANGED
18 27
OVRCUR3
GND
17 27
PWRON3
BUSPWR
Q591
LDTC114EE
C523 C525
22P 22P
R523 R529
15k
15k
C524 C526
22P
22P
R524 R530
15k
15k
Q601
LDTC114EE
R603
R604
R545
R546 22
22
C603
C604
IC603
TC7S66FU
3 4
2
1 5
R609
100k
R610
100k
8
V+
IC561
TC7WH14FK
GND
4
Q592
LDTC114EE
8 28
VBUS DTR
9 27
RST DSR
10 26 R595
NC TXD
IC591
11 25 R596 22
SUSPEND RXD
CP2102GMR
12 24 22
SUSPEND RTS
13 23
NC CTS
14 22
NC NC
CP601
SHORT1005
C602
5 VCC 1
A
2
R601 0.1 B
4 Y 3
GND
1.5k
IC601
SN74AHC1G32DCK
EP602
MMZ1005B601C
1 28
D+ SSPND
22 2 27
D- VDD
22 3 26
VBUS DGND
4 25
DGNDU TEST1
EP601
5 24
HID0 TEST0 MMZ1005B601C
6 23
HID1 VCCX
7 22
HID2 IC602 AGNDX
8 21
PCM2901E
SEL0 XTI
9 20
SEL1 XTO R606
10 19
VCCC VCCP2
11 18
AGNDC AGNDP 1M
10 12 17
VINL VCCP1
13 16
X601
VINR VOUTL
10 14 15 CR-870
VCOM VOUTR
CP602
SHORT1005
R612
10k
C619
10
C620 R621
4.7K
10
UDRXD
UDTXD
D591
LRB751S
VBUS_
USQLS
TO MAIN-7
UMOD
AAF