Icom IC-7610 Service Manual page 77

REFULK
6 dB
Q2410
REFCK, REFDT, REFLE
EXT-REF IN ATT AMP
Q2431 Q2302
IC2412 IC2411
X2401
AMP AMP
REFV BUFF BUFF
REFSEL
D8051~D8055
IC8101
TO RF
PIN
ATRRF AMP
ATT
AGCAV
RXS
ADJA
D8551~D8555
IC8601
TO RF
PIN
BRRF AMP
ATT
RXS
RXS
AGCBV
ADJB
TXS
TXS
ADJB
LPF
ADJA
12.5 dB IC4521
TO TUNER
RFMON ATT RTC
BT4221
PW2FBS
12.5 dB
TO RF USB1HM,USB1HP,USB2HM,USB2HP
ATT
PW2FB
TO FRONT (USB)
USB1_5V
USB2_5V
Q9156
TO RF
ADJA
REFSEL, REFULK, REFCK, REFDT, REFLE
CTRL
DSELADJ
ADJB
IC431 TO FRONT (SD)
BUFF
PFIDL
LTXD, LRXD, PWRK, FRES, FSENI, FTRAS
TO FRONT (DISPLAY)
IC431
TO TUNER
PDIDL BUFF
VDL
IC1021
FAN
FANI
IDET
Q451, Q452
IC1021
FAN FANV
FAN BUFF
CTRL
IC421
FORLP BUFF
IC421
1
BUFF
REFLP
2
3
4
REFV ALCL
5
UMODS REFLVL
6
MIC8VS KEYI
7
METAV TRVI
8
METBV RTKI
9
EXRL2S SPAK
10
EXRL1S SPBK
11
EXT-DISPLAY TRVTS
12
13
14
IC7001, Q7021, Q7022
15
START, KEY
16 TCON, ESTA, EKEY
17 TO PA
TUNER
18
I/F
19
TMDS_D2+, TMDS_D2–
20
TMDS_D1+, TMDS_D1– IC6201 DVIPD, DVIMSEN, DVIDT, DVICK, ELCD_RST
21
TMDS_D0+, TMDS_D0– ELCD_R3~R7, ELCD_G2~G7, ELCD_B3~B7
22
TMDS_CLK+, TMDS_CLK- DVI ELCD_DE/ELCD_CLK/ELCD_HS/ELCD_VS
23
XMITER
24
CLKM, CLKP
LK0M, LK0P IC6301
LK1M, LK1P LCD_R3~R7, LCD_G2~G7, LCD_B3~B7
LK2M, LK2P LVDS LCD_DE, LCD_CLK, LCD_HS, LCD_VS
TO FRONT (DISPLAY) XMITER
IC9021 IC9031
IC2451
BUFF BUFF
IC2511 CH0
BUFF REFLVL
BUFF &
IC9041
Distribution
X2302 CH1
BUFF
PLL LOOP
IC FIL
IC2301
CH3 CH2
IC8201
A/D
IC8701
A/D
IC9101
D/A
X4021
48 MHz
RTC_IRQ,RTC_SCL,RTC_SDA
USB2PENC, USB2OVC
IC4171
USB1PENC, USB1OVC
VBUS
SW
VBUS0, VBUS1
SD_WP, SD_CD, SD_D1, SD_D0
SD_CLK, SD_CMD, SD_D3, SD_D2
IC4001
MAIN CPU
TPWRL, IMPI, SWRL, PHASEI
FIDL
DIDL
VDL
CAPONS
UPWS
SDPWS
FPWS
PWRS
RXS
TXS
X6021
48 MHz
RZD_SFLD0~SFLD3
RZD_SFLSS/RZD_SFLCK
FORL
REFL
RTAD, PSKAD, RTBD, PSKBD
RZD_BUS
USSPD1, USKI1, USSENI1, USSPD2, USKI2, USSENI2, UDRXD2, UDTXD2, UDRES
IC501
IC6001
MP1XL, MP1YL
SUB CPU
MULTI
MPSA, MPSB
PLEXER
MCK, MDAT, RSTB1~RSTB5, DRESL
MCK, MDAT, PSTB, DRESL
TCLK, TDAT, TSTB1~TSTB4, TOE
MCK, MDAT, DRESL
8-3
U3_D00~D31, U3_BE0~BE3, U3_RXE,U3_TXE
U3_SIWU, U3_WR,U3_DB, U3_CLK IC9401
U3_RESET, U3_WKUP, U3_RD, U3_OE
USB3.0
I/F
ALCS
ALCK IC9501
X9401
EEPROM
ALDO
30.0 MHz
A/D DPALCL
200 ksps,12 bits
DCLK
DCLK#
FPCAL
FPX_SPK
MCLK, FRM, BCLK
FPR_MOD
RBT_CK, RBT_DO, RBT_CFG
RSC_CS, RSC_CK, RSC_DO
FC_BCLK, FC_CS, FC_RD
FC_WE, FC_A1~A4, A7
IC8901
RF-FPGA
FC_D0~D15
RSC_DI, FC_WAIT, FC_DREQ
DR_PLY, DR_MOD
FPSX, DCSAX, DCSAR
DCSBX, DCSBR,
DSPCK1, DSPR
SCPSEL
DSPAX, DSPBX,
DX_AF, DX_REC,DX_MIC,
DX_FMT, DX_IF, FPDX,
FRM, BCLK
IC4211
ECK, EDT
EEPROM
RZM_SFLD0~SFLD3 IC4201
RZM_SFLSS, RZM_SFLCK
FLASH
ROM
IC4361
PDV HV
VDET
IC4231
RESET H3R3V
RESET
RZM_BUS
HSK1, FRWT, DRESD, SCPCK, SCPSS, SCPR, SCPX
UDRXD1, UDBSY, UDTXD1
CTXD
CRXD, CBSY
LAN_BUS
IC6211
FLASH
ROM
CTXD
CRXD, CBSY
FID1V
FID2V
THML DID1V
FANI DID2V
EPAD1L PDIDV
EPAD2L IREFV
POCV
IC401
DRIV
ICCV
DSTB
D/A BANDV
TO RF
LAN_MDIO, LAN_MDC, LAN_RSTL
LAN_TXD0~TXD3, LAN_TXER, LAN_TXEN
TO PA LAN_CRS, LAN_COL, LAN_RXDV, LAN_TXCLK
SPONAS
LAN_RXCLK, LAN_RXD0~RXD3, LAN_RXER
SPONBS
PHONS
TO TUNER IC411
ISPBS
ANTS
MSTB SHIFT
AMS
REGISTER
NASBS
PW2FBS
1 VBUS
2 D–
3 D+ IC3201
4 GND
IC3151
USB 2
5 SSTX–
L
6 SSTX+ AF AF
IC9481 7 GND DRAIN AMP AMP
8 SSRX–
9 SSRX+
10 DPWR
IC3151
11 DGND
AF AF R
AMP AMP
IC3001
IC3011 IC3031 IC3061
L AF AF AF
D/A LPF
AMP AMP AMP
SPONAS
IC3011 IC3031 IC3051
R AF AF AF
D/A LPF
AMP AMP AMP
SPONBS
IC3101
IC3111 IC3102
AMOD
MIC MIC
R
A/D
AMP AMP
UMOD
UMODS
IC3121 IC3102
L MIC MIC
A/D
AMP AMP
MCLK, FRM, BCLK
IC5151
SDRAM
IC5001
COMM-FPGA
IC5101
SDRAM
RFL_DI
RFL_DO
RFL_CK
RFL_CS
UDRXD1,UDBSY,UDTXD1
IC7001 Q7012, Q7011 Q7002, Q7001 IC7001 IC7021
CI-V CI-V UCRXD, UCTXD
BUFF BUFF SW
I/F I/F
CIV UCLKS
USSPD1, USKI1, USSENI1
USSPD2, USKI2, USSENI2, UDRXD2, UDTXD2, UDRES
UMOD
UAFA
UAFB
1
2
IC7401
3
TX+, TX–, RX+, RX–
4
LAN LAN
5
DRIVER
6
7
8
X7401 MAIN UNIT
25.0 MHz
PHOL
TO FRONT (DISPLAY)
PHOR
AFO
RL
[EXT-SP A]
SPAK
SW
RL
[EXT-SP B]
SPBK
SW
RL
SW
INT SP
ISPBS
Q3122
MIC8V
SW
MIC8VS
MICI TO FRONT (DISPLAY)
IC3301
IC3311
FPX_DET
L AF
D/A UAFA
AMP
IC3311
R AF
D/A UAFB
AMP
IC3341
IC3351
FPX_DPD
L AF
D/A AAF
AMP
IC3351
R
D/A AMP DPGV
IC9202
IC9201, Q9201
FPX_AGC
L
DC
AGCBV
D/A
AMP
IC9651
IC9201, Q9202
FLASH R DC
D/A AGCAV
ROM AMP
IC7101
IC7051
PWRON2
USB
BRIDGE DP2, DM2
USB 1
IC7071
PWRON3
USB
USB HUB
DP3, DM3
BRIDGE
VBUS
IC7031
PWRON4
USB
CODEC DP4, DM4
X7111
IC7032 (6.000 MHz)
X7031
BIAS
(12.000 MHz)
CTRL
Explanatory notes
CONTROL LINE
COMMON LINE
TX LINE
RX LINE
DATA LINE