Icom IC-7100 Service Manual Addendum page 122

(Amended page)
July 2015
• 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+
MMZ1005B601C
SHORT1005
EP501
5
4
[USB]
3
2
1
J501
CP502
USB-
SHORT1005
R502
VBUS
MMZ1005B601C
J571
EP571
[REMOTE]
CP571
SHORT1005
C804 0.001
C805 0.001
Q512
MPZ1608S601A
RZR040P01
EP511
VBUS3.3V
R513
X511
LDTC114EE CR-890
Q511
UPWS
R521
R522 27
27
R515
100k
R516
1.5k
LRB706F
D521
VBUS_
LRB706F
1k
VBUS_
D522
VBUS3.3V
Q541
LDTC114EE
8
VBUS
9
RST
10
NC
11
SUSPEND
12
SUSPEND
13
NC
14
NC
I C561
R550
USSENI 7 1
22
R551 TC7WH14FK
USKI
22
R563
R564
CIV
CIVE
18k
10k
Q561
L2SA1576AR
CIV
C573 10P
I C561
CIVE
6
R566
Q562
TC7WH14FK
L2SC4081
12k
IC561
CP561
5
SHORT1005
TC7WH14FK
3R3V
1.5k
IC511
1 24
DP0 DP4
2 23
DM0 DM4
3 22
VCC O VRCUR4
4 21
R531
RESET PWRON4
5 20 R533
EECLK DP3
6 19
EEDATA/GANGED DM3
7 18 27
GND O VRCUR3
8 17 27
BUSPWR PWRON3
TUSB2046BIVFR
C523 C525
22P 22P
R523 R529
15k 15k
C524 C526
22P 22P
R524 R530
15k 15k
28
DTR
27
DSR
26 R545
TXD
25 R546 22
RXD
24 22
RTS
23
CTS
22
NC
TC7S66FU
IC603
3
2
1
R609
R610
2
8
V+ I C561
GND TC7WH14FK
4
3
Q592
LDTC114EE
8 28
VBUS DTR
9 27
Q591 RST DSR
10 26 R595
LDTC114EE NC TXD
11 25 R596
SUSPEND RXD
12 24
SUSPEND RTS
13 23
NC CTS
14 22
NC NC
Q 601
LDTC114EE
CP601
SHORT1005
IC601
C602
5 1
VCC A
2
R601 0.1
B
4 3
Y GND
1.5k
SN74AHC1G32DCK
EP602
IC602
MMZ1005B601C
R603 1 28
D+ SSPND
R604 22 2 27
D- VDD
22 3 26
VBUS DGND
4 25
DGNDU TEST1
5 24
HID0 TEST0 EP601
6 23
HID1 VCCX
7 22
HID2 AGNDX MMZ1005B601C
8 21
SEL0 XTI
9 20
SEL1 XTO R606
10 19
VCCC VCCP2
11 18
C603 AGNDC AGNDP 1M
10 12 17
VINL VCCP1
13 16 X601
VINR VOUTL
10 14 15 CR-870
C604 VCOM VOUTR
PCM2901E
4
CP602
5
SHORT1005
100k
10k
100k
R612
C619
C620
*Refer to the PARTS LIST for the value and name of component.
31
UDRXD
22 D591 UDTXD
22 LRB751S
VBUS_
USQLS
TO MAIN- 7
UMOD
10
R621
AAF
10
4.7K