![background image](http://html.mh-extra.com/html/icom/ic-7610/ic-7610_service-manual_612316088.webp)
10-8
R7S721001VCBG
IC4001
A3 P0_3
A7 P5_9
A9 P5_6
A10 P5_2
A11 P5_0
A16 P0_2
A17 P1_6
A18 P1_3
A19 P1_0
A20 P2_13
A21 P2_12
B7 P5_10
B8 P5_8
B9 P5_7
B10 P5_3
B11 P5_1
B16 P1_7
B17 P1_4
B18 P1_2
B19 P2_15
B22 P2_10
C10 P5_5
C11 P5_4
C16 P1_5
C17 P1_1
C18 P2_14
C21 P2_9
C22 P2_7
D20 P2_8
E19 P2_11
E20 P2_6
E22 P2_5
F19 P2_4
F21 P2_2
F22 P4_15
G19 P4_14
G20 P2_3
G21 P4_13
H19 P4_11
H22 P4_12
J22 P4_10
K20 P4_8
K21 P4_9
K22 P2_1
L20 P4_7
L21 P2_0
L22 P4_6
M20 P4_5
M21 P4_4
N22 P4_3
P20 P4_0
P21 P4_2
P22 P4_1
R20 P3_15
R21 P3_14
R22 P3_13
T20 P3_10
T22 P3_12
V19 P3_8
W20 P3_9
Y4 P3_7
Y5 P3_4
Y7 P3_2
Y15 P0_0
Y16 P0_1
Y17 P1_10
Y18 P1_13
Y19 P1_15
AA4 P3_5
AA6 P3_3
AA7 P3_1
AA9 P0_5
AA17 P1_8
AA18 P1_11
AA19 P1_14
AB3 P3_6
AB6 P3_0
AB9 P0_4
AB18 P1_9
AB19 P1_12
T21 P3_11
R7S721001VCBG
IC4001
A1
Vss
A8
Vss
A12
Vss
A14
VDAVss
A22
Vss
B2
Vss
B12
Vss
B21
Vss
C3
Vss
C9
Vss
C13
VRM
C15
Vss
C20
Vss
D4
Vss
D10
Vss
D14
VRP
D15
Vss
D19
Vss
G22
Vss
J9
Vss
J10
Vss
J11
Vss
J12
Vss
J13
Vss
J14
Vss
K9
Vss
K10
Vss
K11
Vss
K12
Vss
K13
Vss
K14
Vss
L9
Vss
L10
Vss
L11
Vss
L12
Vss
L13
Vss
L14
Vss
M9
Vss
M10
Vss
M11
Vss
M12
Vss
M13
Vss
M14
Vss
N9
Vss
N10
Vss
N11
Vss
N12
Vss
N13
Vss
N14
Vss
P9
Vss
P10
Vss
P11
Vss
P12
Vss
P13
Vss
P14
Vss
P19
Vss
U1
Vss
U21
TCK
U22
Vss
V20
TRST
V22
TMS
W1
Vss
W7
Vss
W8
Vss
W11
Vss
W15
Vss
W16
Vss
W17
AVss
Y8
RES
Y9
NMI
Y10
Vss
Y14
Vss
AA10
Vss
AA14
Vss
AB7
Vss
AB10
Vss
AB13
Vss
AB17
Vss
AB20
AVss
AB22
Vss
V1
CKIO
R7S721001VCBG
IC4001
A2
P6_4
A5
P9_6
A6
P9_3
A13
VIN2B
A15
VIN2A
B3
P6_0
B5
P9_7
B6
P9_4
B13
VIN1B
B15
VIN1A
C1 P6_5
C4 P6_2
C7 P9_5
C8 P9_2
D1 P6_7
D2 P6_6
D5 P6_3
D6 P6_1
D21
P10_15
D22
P10_14
E1
P6_10
E2
P6_9
E3
P6_8
E21
P10_12
F1
P6_14
F2
P6_13
F3
P6_11
F20
P10_13
G3 P6_15
G4 P6_12
H1 P7_2
H2 P7_1
H4 P7_0
H20
P10_11
H21
P10_10
J1
P7_5
J2
P7_4
J3
P7_3
J20
P10_9
J21
P10_8
K1
P7_9
K2
P7_7
K3
P7_6
K4
P7_8
L2
P7_11
L3
P7_10
M1 P7_12
M22
P10_7
N1 P7_13
N2 P7_14
N3 P7_15
N19
P10_4
N20
P10_5
N21
P10_6
P1
P8_0
P2
P8_1
P3
P8_2
R1 P8_3
R3 P8_5
U2 P8_6
U4 P8_7
V2
P8_8
V3
P8_9
V4
P8_13
W2 P8_10
W3 P8_11
Y1
P8_12
Y2
P8_14
Y6
P10_2
AA1
P8_15
AA3
P9_1
AA5
P10_1
AA13
REFRIN
AA16
XTAL
AA22
BSCANP
AB2
P9_0
AB4
P10_0
AB5
P10_3
AB16
EXTAL
AB21
AVref
R2 P8_4
R7S721001VCBG
IC4001
A4
P11_0
B1
Vcc
B4
P11_2
B14
VDAVcc
B20
PVcc
C2 Vcc
C5 P11_3
C6 P11_1
C12
LVDSAPVcc
C14
REXT
C19
PVcc
D3 Vcc
D7 PVcc
D8 PVcc
D9 LVDSPLLVcc
D11
LVDSREFRIN
D12
LVDSAPVcc
D13
Vcc
D16
PVcc
D17
PVcc
D18
PVcc
E4
Vcc
F4
Vcc
G1 P11_13
G2 P11_12
H3 P11_14
J4
P11_15
J19
Vcc
K19
Vcc
L1
P11_5
L4
P11_4
L19
PVcc
M2 P11_6
M3 P11_7
M4 Vcc
M19
PVcc
N4 PVcc
P4
PVcc
R4 Vcc
R19
Vcc
T1
P11_8
T2
P11_9
T3
P11_10
T4
Vcc
T19
Vcc
U3 P11_11
U19
Vcc
U20
JP0_1
V21
JP0_0
W4 PVcc
W5 PVcc
W6 PVcc
W9 Vcc
W10 Vcc
W12 PVcc
W13 PVcc
W14 PLLVcc
W18 AVcc
W19 PVcc
W21 AUDIO_X2
W22 AUDIO_X1
Y3
PVcc
Y11
VBUS1
Y12
VBUS0
Y13
USBAVcc
Y20
PVcc
Y21
VIDEO_X2
Y22
VIDEO_X1
AA2
PVcc
AA8
RTC_X2
AA11
DM1
AA12
DP0
AA15
USB_X2
AA20
AVcc
AA21
PVcc
AB1
PVcc
AB8
RTC_X1
AB11
DP1
AB12
DM0
AB14
USBAPVcc
AB15
USB_X1
1
C4171
LRB706F
D4171
10K
R4172
LRB706F
D4172
LRB706F
D4173
LRB706F
D4174
BD6517F
IC4171
1 CTL1
2 FLG1
3 FLG2
4 CTL2
5
OUT2
6
GND
7
IN
8
OUT1
10K
R4031
CR-1017
X4021
15P
C4099
15P
C4098
470
R4022
5.6K
R4013
USB1_5V
USB2_5V
GND
GND
USB1_HM
USB1_HP
USB2_HM
USB2_HP
10K
R4002
10K
R4004
1
C4221
L1SS400
D4221
RX-8803LC
IC4521
1 N.C.
2 FOE
3 VDD
4 FOUT
5 SCL
6 T1(CE)
7
N.C.
8
SDA
9
T2(Vpp)
10
GND
11
INT
12
EVIN
3.3K
R4221
ML414HIV01E
BT4221
47
K
R4222
MMZ1005B601C
EP4211
4.7K
R421
1
GT24C128B
IC4211
1 A0
2 A1
3 A2
4 VSS
5
SDA
6
SCL
7
WP
8
VCC
0.1
C4211
MMZ1005B601C
EP420
1
47K
R4201
47K
R4202
0.
1
C4201
SD_CD
SD_WP
SD_CMD
SD_CLK
SD_D1
SD_D0
SD_D2
SD_D3
LAN_TXER
LAN_TXEN
4.7K
R4223
4.7K
R4224
4.7K
R4212
TRAS
LTXD
FRES
LRXD
FSENI
SENI
FTRAS
0.
1
C4019
0.
1
C4025
0.
1
C4032
0.
1
C4031
0.
1
C4017
0.
1
C4016
0.
1
C4024
0.
1
C401
1
0.
1
C4034
0.
1
C4023
0.
1
C4027
0.
1
C4013
0.
1
C4030
0.
1
C4020
0.
1
C4026
0.
1
C4029
0.
1
C4014
0.
1
C4012
0.
1
C4033
0.
1
C4021
0.
1
C4028
0.
1
C4022
0.
1
C4015
0.
1
C4018
0.
1
C4042
0.
1
C4050
0.
1
C4047
0.
1
C4048
0.
1
C4051
0.
1
C4043
0.
1
C4045
0.
1
C4055
0.
1
C4056
0.
1
C4054
0.
1
C4044
0.
1
C4041
0.
1
C4053
0.
1
C4052
0.
1
C4049
0.
1
C4046
RZM_BCLK
47K
R4005
10K
R401
1
LAN_RXCLK
LAN_RXD3
LAN_RXD0
LAN_RXD1
LAN_RXD2
LAN_RXER
LAN_CRS
LAN_COL
LAN_RXDV
LAN_TXCLK
LAN_TXD0
LAN_TXD1
LAN_TXD3
LAN_TXD2
LAN_MDIO
LAN_MDC
LAN_RSTL
68
K
R4232
5.6K
R4231
0.
1
C4232
NJU7704F3
IC4231
1 CD
2 VSS
3 MR
4
VOUT
5
VDD
10K
R4012
47K
R4174
RZM_D10
22
R4142
RZM_D15
22
R4144
RZM_D5
RZM_D6
RZM_D1
RZM_D7
RZM_D4
RZM_D0
RZM_D3
RZM_D9
RZM_D8
RZM_D14
RZM_D11
22
R4141
RZM_D2
RZM_D13
RZM_D12
22
R4343
22
R4148
22
R4146
22
R4145
22
R4147
47K
R416
1
4.7K
R415
2
22
K
R415
6
22
K
R415
8
4.7K
R415
3
22
K
R415
5
4.7K
R415
1
47K
R416
3
47K
R416
4
22
K
R415
7
47K
R416
2
22
K
R415
9
FRWT
DRESD
SCPR
SCPCK
SCPSS
HSK1
SCPX
10K
R4003
10K
R4001
47K
R416
8
47K
R416
6
47K
R416
7
47K
R4
111
PWRK
VBUS
FPWS
CRXD/CBSY
REFCK
REFDT
UCLKS
REFLE
REFULK
UPWS
CTXD
REFSEL
UDRXD1/UDBSY
UDTXD1
SDPWS
PWRS
PHASEI
SWRL
TPWRL
TCALS
IMPI
TXS
RXS
100K
R4122
100K
R4127
100K
R4124
100K
R4129
100K
R4126
100K
R4130
100K
R4123
100K
R4128
100K
R4121
100K
R4125
DR_MOD
FPSX
DR_PLY
BCLK
FRM
DCSBR
DCSBX
DSPAX
DSPBX
DCSAR
DSPR
DSPCK1
DCSAX
FPDX
DX_IF
DX_REC
DX_AF
DX_MIC
DX_FMT
SCPSEL
MPZ2012S601A
EP4171
0.
1
C4362
47K
R4361
56K
R4362
22K
R4363
100K
R413
9
100K
R413
7
100K
R413
4
100K
R413
3
100K
R413
8
100K
R413
2
100K
R413
5
100K
R413
1
100K
R413
6
EN25QH64A
IC4201
1 CS
2 DO(DQ1)
3 WP(DQ2)
4 VSS
5
DI(DQ0)
6
CLK
7
HOLD(DQ3)
8
VCC
0.02
7
C4231
MMZ1005B601C
EP4021
22K
R416
5
47
R4032
47
K
R4007
47
K
R4006
47K
R416
9
47K
R41
17
47K
R41
18
47K
R41
19
47K
R4120
47K
R41
12
47K
R41
16
DIDL
FIDL
VDL
10K
R4
11
4
10K
R4
11
5
47K
R41
13
RZM_A13
RZM_A3
RZM_A4
RZM_A9
RZM_A1
RZM_A14
RZM_A11
RZM_A5
RZM_A7
RZM_A12
RZM_A10
RZM_A2
RZM_A6
RZM_A8
RZM_RSV2
RZM_RSV1
RZM_WAIT
RZM_IRQI
RZM_IRQO
RZM_CS1
RZM_CKE
RZM_RD
RZM_WE0
RZM_CAS
RZM_RAMRES
RZM_WE1
RZM_DREQ
RZM_CS3
RZM_RAS
RZM_CS2
RZM_RD/WR
47K
R4197
47K
R4192
47K
R4198
47K
R4193
47K
R4194
47K
R4195
47K
R4196
100
R4183
100
R4184
1
C4178
1
C4179
10K
R4171
47K
R4173
R4185
EZAEG2A
R4186
EZAEG2A
H1R18V
22
R4008
22
R4009
22
R4014
22
R4015
100K
R414
0
1K
R4016
22
K
R415
4
CP4002
CP06S
CP4001
CP06S
H3R3V
+3R3V
F3R3V
HV
SD3R3V
USA5V
MPZ1608S601A
EP4022
MPZ1608S601A
EP4023
10
C4035
10
C4057
0
R4017
0
R4018
0
R4019
4.7K
R416
0
0.
1
C4125
10K
R490
3
*R4910
10K
R490
4
*R4908
*J4902
1
2
3
4
5
6
7
8
9
10
10K
R490
5
10K
R490
6
*R4909
10K
R490
7
*R4911
10K
R4914
10K
R490
1
0.
1
C490
1
10K
R490
2
*R4912
10K
R4913
DNTRST
DNSRST
*S4231
LRB751S
D4231
LRB751S
D4232
LRB751S
D4233
LRB751S
D4234
*D4235
*D4236
CP4003
CP06S
0
R491
5
*J4901
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
S-1009N30I
IC4361
1
OUT 2
VDD 3
VSS
4 NC
5 CD
2.7K
R4364
0.01
C4361
CF20
CP4901
2427
MP4001
220 CE-L
X
C4176
220 CE-L
X
C4177
CAPONS
220
T5
5
C4058
220
T5
5
C4059
H3R3V
SD3R3V
F3R3V
HV
H3R3V
H3R3V
H3R3V
USA5V
F3R3V
+3R3V
H3R3V
H3R3V
HV
+3R3V
H3R3V
USA5V
H3R3V
H3R3V
H3R3V
H3R3V
H1R18V
H3R3V
H3R3V
H1R18V
SD3R3V
H3R3V
+3R3V
10
R4175
10
R4176
10
R4179
10
R4180
10P
C4172
10P
C4173
10P
C4174
10P
C4175
220
C4037
USB1OVC
USB1_HM
USB2_HM
USB2OVC
USB2HP
USB2HM
USB1HM
USB1HP
RZM_D15_
RZM_D14_
RZM_D13_
RZM_D12_
RZM_D11_
RZM_D10_
RZM_D9_
RZM_D8_
RZM_D7_
RZM_D6_
RZM_D5_
RZM_D4_
RZM_D2_
RZM_D3_
RZM_D1_
RZM_D0_
RZM_CS3
RZM_RAS
RZM_RD
RZM_WE1
RZM_WE0
RZM_RD/WR
RZM_CKE
RZM_CAS
RZM_A13_
RZM_A12_
RZM_A11_
RZM_A10_
RZM_A9_
RZM_A8_
RZM_A7_
RZM_A6_
RZM_A5_
RZM_A4_
RZM_A3_
RZM_A2_
RZM_A1_
RZM_SFLCK
RZM_SFLSS
RZM_SFLD0
RZM_SFLD1
RZM_SFLD2
RZM_SFLD3
LAN_RXD3
LAN_RSTL
LAN_RXD2
LAN_RXD1
LAN_RXD0
LAN_TXD3
LAN_TXD2
LAN_TXD1
LAN_TXD0
LAN_CRS
LAN_TXEN
LAN_TXER
LAN_TXCLK
RZM_IRQO
RZM_RAMRES
RZM_RSV1
RZM_RSV2
SD_CD
SD_WP
SD_D1
SD_D2
SD_D3
SD_CMD
SD_CLK
SD_D0
MTDO
MTDI
VBUS0
VBUS1
USB1PENC
USB2PENC
USB2OVC
USB1OVC
LAN_MDIO
LAN_RXCLK
LAN_RXER
LAN_RXDV
MTRD0
MTRD1
MTRD2
MTRD3
MTRCLK
FSENI
FTRAS
RTC_SDA
RTC_SCL
RTC_IRQ
ECK
EDT
ECK
EDT
RTC_SCL
RTC_SDA
RTC_IRQ
PWRK
UDRXD1/UDBSY
TPWRL
SWRL
VDL
FIDL
DIDL
HSK1
RZM_DREQ
RZM_WAIT
RZM_IRQI
RZM_CS1
PWRS
DRESD
FRWT
SCPCK
SCPX
SCPR
SCPSS
RZM_SFLD0
RZM_SFLD3
RZM_SFLCK
RZM_SFLD2
RZM_SFLSS
RZM_SFLD1
REFCK
REFLE
DSPR
DSPAX
DCSAX
DCSAR
DCSBX
DCSBR
FPSX
DSPBX
VBUS
LTXD
LRXD
FRES
FPDX
DX_AF
DX_FMT
CRXD/CBSY
REFULK
REFSEL
TCALS
DX_IF
SCPSEL
SDPWS
UDTXD1
UDRXD1/UDBSY
FPWS
LAN_MDC
RXS
LAN_COL
RZM_A14_
LAN_TXEN
LAN_TXER
CTXD
SENI
PHASEI
UPWS
IMPI
UCLKS
TXS
CRXD/CBSY
TRAS
FRES
TRAS
LTXD
FTRAS
DX_MIC
DX_REC
LAN_RXCLK
LAN_RXD1
LAN_RXD3
LAN_RXD0
LAN_RXD2
LAN_RXER
LAN_CRS
LAN_COL
LAN_RXDV
LAN_TXCLK
LAN_TXD0
LAN_TXD1
LAN_TXD2
LAN_TXD3
LAN_MDIO
LAN_MDC
LAN_RSTL
REFDT
USB1PENC
USB2PENC
SD_WP
SD_CD
SD_D3
SD_D2
SD_D1
SD_D0
SD_CMD
SD_CLK
RZM_D15
RZM_D5_
RZM_D3_
RZM_D12_
RZM_D10_
RZM_D13
RZM_D0_
RZM_D11_
RZM_D14_
RZM_D6
RZM_D9_
RZM_D6_
RZM_D5
RZM_D4_
RZM_D13_
RZM_D1_
RZM_D8_
RZM_D9
RZM_D11
RZM_D15_
RZM_D8
RZM_D10
RZM_D1
RZM_D2_
RZM_D4
RZM_D3
RZM_D12
RZM_D2
RZM_D0
RZM_D14
RZM_D7_
RZM_D7
RZM_A5
RZM_A2_
RZM_A1
RZM_A2
RZM_A14
RZM_A8
RZM_A3
RZM_A7
RZM_A4
RZM_A9
RZM_A6
RZM_A5_
RZM_A11
RZM_A12_
RZM_A11_
RZM_A10
RZM_A10_
RZM_A12
RZM_A9_
RZM_A7_
RZM_A13
RZM_A8_
RZM_A4_
RZM_A3_
RZM_A1_
RZM_A6_
RZM_RSV1
RZM_CS2
SCPR
SCPX
SCPCK
RZM_WAIT
RZM_CS1
RZM_CS2
RZM_CS3
RZM_RAS
RZM_CAS
RZM_RD/WR
RZM_WE0
RZM_WE1
RZM_RD
RZM_CKE
RZM_IRQO
RZM_IRQI
RZM_RAMRES
RZM_DREQ
RZM_A14_
RZM_A13_
RZM_RSV2
HSK1
FRWT
SCPSS
DRESD
PWRK
UDRXD1/UDBSY
CRXD/CBSY
SDPWS
UDTXD1
UCLKS
UPWS
VBUS
PWRS
CTXD
REFSEL
FPWS
SWRL
TCALS
TPWRL
TXS
RXS
PDV
DSPCK1
DSPR
FPSX
DR_MOD
DR_PLY
DCSAX
DCSAR
DCSBX
DCSBR
DSPAX
DSPBX
BCLK
FRM
FPDX
DX_AF
DX_IF
DX_MIC
DX_REC
DX_FMT
USB2HP
USB1HM
USB2HM
USB1HP
REFULK
REFCK
REFDT
REFLE
LRXD
SENI
DIDL
VDL
FIDL
IMPI
PHASEI
FSENI
VBUS1
VBUS0
FRM
BCLK
DR_PLY
DR_MOD
SCPSEL
DSPCK1
MTRD3
MTRD2
MTRCLK
MTRD1
MTMS
MTDI
MTRD0
MTCK
MNTRST
MNTRST
DNTRST
MTMS
MTCK
MNTRST
MNSRST
MTRCTL
DNSRST
MNSRST
MNSRST
PDV
MTDO
RMZ_BCLK_
CAPONS
USB HOST2
USB HOST1
DSPCK2
DSPCK3
5.6K ERJ3EKF
MAIN UNIT
(1/11)
MAIN UNIT
(2/11)
MAIN UNIT
(3/11)
MAIN UNIT
(8/11)
MAIN UNIT
(10/11)
MAIN UNIT
(11/11)
MAIN UNIT
(6/11)
MAIN UNIT
(6/11)
MAIN UNIT
(6/11)
MAIN UNIT
(6/11)
MAIN UNIT
(7/11)
MAIN UNIT
(8/11)
MAIN UNIT
(1/11)
MAIN UNIT
(1/11)
MMZ1005D121CT
EP4001
Fig.1
2.8 V
20.8 ns (48 MHz)
0 V
V
t
Fig.1
5.0 V
5.0 V
3.3 V
13.7 V
13.7 V
• MAIN UNIT (5/11)
*
Refer to the PARTS LIST for the value and name of component.