Icom IC-9700 Service Manual Addendum page 58

(Amended page)
June 2019
• MAIN UNIT (6/13)
MAIN UNIT H3R3V
(5/13) USB3R3V
USKADTR
USKADTR
USKARTS
USKARTS
UDRES
UDRES
MAIN UNIT
USSPD2
USSPD2
(2/13)
USKBDTR
USKBDTR
USKBRTS
USKBRTS
UDRXD2
USSPD1
UDTXD2
UDRXD2
USSPD1
UDTXD2
MAIN UNIT
VBUS
(1/13)
UDTXD1
UDRXD1/UDBSY
UCLKS
UCLKS
R1501 R1502
18k 10k
Q1502
L2SA1576AR
CIV IC1501
L2SC4081
Q1501
MAIN UNIT 3
R1503
(9/13)
74VHC04FT
CIVE 12k
CP1501 CP1502 IC1501
6
SHORT1005 SHORT1005
74VHC04FT
R1511 R1512
18k 10k Q1512
L2SA1576AR
IC1501
9
L2SC4081
Q1511
R1513 74VHC04FT
12k IC1501
CP1511 CP1512
2
SHORT1005 SHORT1005
74VHC04FT
R1517
MAIN UNIT
CRXD/CBSY
R1518
(1/13)
CTXD
When a USB cable is:
Connected: 1.6 V
Not connected: 0 V
C1532
UAFA
MAIN UNIT C1533 10
UAFB
(7/13) 10
UMOD
LAN_RXCLK
C1531
LAN_RXCLK
LAN_RXD0
LAN_RXD0
LAN_RXD1
10
LAN_RXD1
LAN_RXD2
LAN_RXD2
LAN_RXD3
LAN_RXD3
LAN_RXER
LAN_RXER
LAN_CRS
LAN_CRS
LAN_COL
LAN_COL
LAN_RXDV
LAN_RXDV
MAIN UNIT
(1/13)
LAN_TXCLK
LAN_TXCLK
LAN_TXD0
LAN_TXD0
LAN_TXD1
LAN_TXD1
LAN_TXD2
LAN_TXD2
LAN_TXD3
LAN_TXD3
LAN_TXER
LAN_TXER
LAN_TXEN
LAN_TXEN
LAN_MDIO
LAN_MDIO
LAN_MDC
LAN_MDC
LAN_RSTL
LAN_RSTL
USSPD1
R1553
22
R1554
22
R1556
USKADTR
22
4 UCRXD
R1557
USKARTS
22
5 UCTXD
14
IC1501 V+
74VHC04FT GND UDRES
7 USSPD2
8
IC1501
13 12
R1573
1 UDTXD2
74VHC04FT
22
IC1501
R1574
11 10
UDRXD2
22
22
22
74VHC04FT
R1576
USKBDTR
22
R1577
USKBRTS
22
When a USB cable is:
Connected: 3.2 V
Not connected: 0 V
IC1532
4 3 Q1531
Y GND
2 LDTC143ZE
B
5 1
VCC A
0 V
SN74AHC1G32DCK
R1532
1M
X1531
CR-1020
12 MHz
3.3 V
When a USB cable is
connected
0 V
When a USB cable is
0 V
not connected
The underlined parts have been updated from the addendum of the previous version, or from the original page.
The waveform and voltage indications have been added on the original page.
Q1553
LDTC143ZE
USSPD1
22 14
GPIO.4 CHR1
23 13
CTS CHREN
24 12
RTS SUSPEND
25 11
IC1551
RXD SUSPENDb
26 10
CP2102N
TXD NC
27 9
DSR RSTb
28 8
DTR VBUS
Q1551
29
LDTA114YE
30
Q1552
LDTA114YE
Q1573
USSPD2 LDTC143ZE
22 14
GPIO.4 CHR1
23 13
CTS CHREN
24 12
RTS SUSPEND
25 11
RXD IC1571 SUSPENDb
26 10
TXD CP2102N NC
27 9
DSR RSTb
28 8
DTR VBUS
Q1575
Q1571 29 LDTC143ZE
LDTA114YE
30
Q1572
LDTA114YE
Q1574
LDTC143ZE
EP1901
MPZ1608S601A
R1919
1M
X1901
CR-1030
LAN_RXCLK R1901
LAN_RXD3 R1902 100
100
LAN_RXD2
R1903
LAN_RXD1 100
R1904
LAN_RXD0 100
R1905
100
LAN_RXER
R1906
LAN_CRS 100
R1907
LAN_COL 100
R1908
LAN_MDIO 100
R1909
47k
10-6a
0 V
Q1554
LDTC143ZE
R1604
R1602 27
27
USB_/PWR1
R1608
R1606 27
27
EEDATA/GANGED
IC1601
USB_/PWR4
TUSB2046IBVFR
R1612
R1610 27
27
UDRES
R1618
1M
0 V
X1611
CR-1019
25 MHz
1.2 V
0 V
LINK/ACT LED
C1905
1
C1906
0.1
C1907
10
C1908
0.1
33
T1901
32
RBIAS
31
RXP
IC1901
LAN8710AI
H1102FNL
REMOTE/LAN BLOCK
* Refer to the PARTS LIST for the value and name of components.
When a USB cable is:
Connected: 0 V
Not connected: 3.3 V
When a USB cable is:
Connected: 4.3 V
Q1621
Not connected: 0 V
LDTC143ZE
VBUS
R1621
1k
J1621
USB−
USB
SHORT1005
CP1624
SHORT1005
CP1623
USB+
D1601
LRB706F
8 D1602
BUSPWR
7
GND
6
5
EECLK
4
RESET
3 LRB706F
VCC
2 R1615
DM0
1 R1616 27
DP0
27
6 MHz
3.1 V
When a USB cable is
connected
0 V
When a USB cable is
0 V
not connected
DS1901
SML-D12P8WT86
SPEED LED
DS1902
SML-D12P8WT86
J1901
LAN_S1
TX+
1
LAN_S2
TX-
2
LAN_S3
RX+
3
LAN_S4/5
NC
4 LAN
LAN_S4/5
NC
5
LAN_S6
RX-
6
LAN_S7/8
NC
7
LAN_S7/8
NC
8