Icom IC-7610 Service Manual page 91

• MAIN UNIT (8/11)
+5V
+3R3V
H3R3V
USB3R3V
USKI1
USKI1
USSENI1
USSENI1
UDRES
UDRES
USSPD2
USSPD2
MAIN UNIT USKI2
USKI2
(7/11) USSENI2
USSENI2
UDRXD2
UDRXD2
UDTXD2
UDTXD2
USSPD1
USSPD1
VBUS
UDTXD1
MAIN UNIT
UDRXD1,UDBSY
(5/11) UCLKS
UCLKS
R7001 R7002
Q7002
18K 10K
L2SA1576AR
CIV
CIV L2SC4081
IC7001
Q7001
3
R7003
MAIN UNIT
(1/11) CIVE
12K
CIVE 74VHC04FT
CP7002
CP7001
IC7001
6
SHORT1005 SHORT1005
74VHC04FT
R7011 R7012
18K 10K
Q7012
L2SA1576AR
IC7001
9
L2SC4081
Q7011
R7013
74VHC04FT
12K
IC7001
CP7011 CP712
2
SHORT1005 SHORT1005
74VHC04FT
R7017
CRXD,CBSY
R7018
MAIN UNIT
CTXD
(5/11)
KEY
MAIN UNIT
START
(1/11)
EKEY
EKEY
MAIN UNIT TCON
TCON
(7/11) ESTA
ESTA
C7032
UAFA
10
MAIN UNIT C7033
UAFB
10
(1/11)
MAIN UNIT
UMOD
(4/11)
LAN_RXCLK
LAN_RXCLK C7031
LAN_RXD0
LAN_RXD0
LAN_RXD1
LAN_RXD1 10
LAN_RXD2
LAN_RXD2
LAN_RXD3
LAN_RXD3
LAN_RXER
LAN_RXER
LAN_CRS
LAN_CRS
LAN_COL
LAN_COL
LAN_RXDV
LAN_RXDV
USB-1 insertion
LAN_TXCLK
MAIN UNIT V
LAN_TXCLK 83.3 ns (12 MHz)
(5/11) LAN_TXD0
LAN_TXD0
LAN_TXD1
LAN_TXD1
LAN_TXD2
LAN_TXD2
LAN_TXD3
LAN_TXD3
LAN_TXER
LAN_TXER
LAN_TXEN 3.2 V
LAN_TXEN
LAN_MDIO
LAN_MDIO
LAN_MDC
LAN_MDC 0 V
LAN_RSTL
LAN_RSTL
t
USSPD1
R7053
22
R7054
22
USKI1
4 UCRXD
USSENI1
5 UCTXD
14
V+
GND UDRES
7 USSPD2
8
LRB706F
D7021
R7073
1 UDTXD2
22
IC7001
R7027
12 EKEY
1K 13
R7074
22 74VHC04FT UDRXD2
22
22
D7022
+5V
USKI2
74VHC04FT
LRB706F IC7001
11 10 TCON
USSENI2
Q7021
LDTC114EE
ESTA
Q7022
LDTA114EE
MMZ1005B601C MMZ1005B601C
EP7031 EP7032
IC7032
Q7031
Y GND
4 3 LDTC114EE
B
2
VCC A
5 1
SN74AHC1G32DCK
R7032
1M
X7031
CR-1020
10-11
Q7053
LDTC114EE
USSPD1
NC NC
22 14
CTS NC
23 13
RTS SUSPEND
24 CP2102GMR 12
RXD SUSPEND
25 IC7051 11
TXD NC
26 10
R7056 DSR RST
27 9
DTR VBUS
28 8
22
Q7051
LDTA114EE
R7057
22
Q7052
LDTA114EE
Q7071
LDTC114EE
USSPD2
NC NC
22 14
CTS NC
23 13
RTS SUSPEND
24 CP2102GMR 12
RXD SUSPEND
IC7071
25 11
TXD NC
26 10
R7076 DSR RST
27 9
DTR VBUS
28 8
22
Q6124
LDTA114EE
R7077
LDTC114EE
22 Q7073
Q6123
LDTA114EE
V
40 ns (25 MHz)
R7419
CR-1030
1.2 V
X7401
0 V
t
LAN_RXCLK
R7401 100
LAN_RXD3
R7402 100
LAN_RXD2 9
R7403 100
RXD2,RMIISEL
LAN_RXD1
R7404 100 10
RXD1,MODE1
LAN_RXD0
R7405 100 11
RXD0,MODE0
12
VDDIO
LAN_RXER R7406 100 13
RXER,RXD4,PHYAD0
LAN_CRS R7407 100 14
CRS
LAN_COL R7408 15
100
COL,CRS_DV,MODE2
LAN_MDIO 16
MDIO
R8092
47K
LDTC114EE
Q7054
R7104
R7102 27
27
USB_/PWR1
IC7101
R7108
R7106 27
27
PWRON3
17
OVRCUR3
18
DM3
19
DP3
20
USB_/PWR4
PWRON4
21
OVRCUR4
R7112
22
DM4
R7110
27 23
DP4
27 24
UDRES
Q7072
LDTC114EE
USB-1 insertion
V
166.7 ns (6 MHz)
3.1 V
0 V
t
EP7401
MPZ1608S601A
25.00 MHz
1M
C7405
1
C7406
0.1
C7407
4.7
C7408
0.1
33
T7401
32
RBIAS
1
31
RXP
30 2
RXN
IC7401 29 3
TXP
LAN8710AI 28 4
TXN
27 5
VDD1A
26 6
RXDV
25 7
TXD3
8
H1102FNL
* Refer to the PARTS LIST for the value and name of component.
Q7121
VBUS
LDTC114EE
USB-1
R7121
1K J7121
USB–
CP7121 SHORT1005
CP7122 SHORT1005
USB+
LRB706F
D7101
LRB706F
BUSPWR
8
GND
7
EEDATA,GANGED
6
EECLK
5
RESET
4 D7102
VCC
3 R7115
DM0
2 R7116 27
DP0
1 27
TUSB2046BVF
R7118
1M
X7111
CR-1019
DS7401
SML-D12P8WT86
LINK,ACT LED
DS7402
SML-D12P8WT86
SPEED LED
J7401
LAN_S1
TX+
1
LAN_S2
16 TX–
2
LAN_S3
15 RX+
3
LAN_S4,S5
14 NC
4
13 LAN_S4,S5 NC LAN
5
12 LAN_S6 RX–
6
11 LAN_S7,S8 NC
7
10 LAN_S7,S8 NC
8
9