Icom IC-7000 Service Manual page 82

MAIN UNIT (4)
BUS LINE1
3R3V
5V
DSPI2
DSPI1
DOUT
DSPO1
DSPO2
8V
R2311 18k
14V
MMDK
SQSS
DOTK
DASK EP2254
WFML
LRXD
LTXD EP2257
CIV
CIVE EP2260
START
KEY
MUDL
FORL
REFL
ALCL
SNDL
DPTL
THML
2MBS
RTKI
REFCV
IMR
MMSL
IMR2
MAIN
UNIT
(3)
L2011 EXCML16A270U
L2012 EXCML16A270U
ICL
ICH
H6CR8
ID1V
P2T8
P4T8
VUFOR
2MBL
PR3S
PR4S
P4R8
P2R8
REFL
HFOR
PRES#
8V
L2042
4.7µ
14V
BUS LINE3
to
LOGIC
unit J701
J2251
DSPI2 3R3V_B EP2263
GND 3R3V_B
DSPI1 5V EP2251 5V
GND 5V
C2256
GND 8V L2257 100µ
0.1
GND 8V
GND HV EP2252
NC DREF R2251 220
GND NC
C2255 0.1
EP2255 DOUT NC
GND NC
DSPO1 VSTB R2254 220
GND SCK R2255 220
L2256 100µ DSPO2 MOSI R2256 220
GND AFMS R2281 220
8V
to
R2280
LOGIC
100
unit J651
J2252
14V 1DST R2257 220 1DST
MMDK 3DST R2258 220 3DST
L2260 100µ SQSS PDT R2259 220 PDT
EP2253 DOTK PCK R2260 220 PCK
DASK 1CN0 R2261 220 1CN0
R2279 1k WFML 1CN1 R2262 220 1CN1
EP2256 LRXD PRES# R2263 220
LTXD LOST R2264 220 LOST
EP2259 CIV NC
CIVE NC
START MST R2267 220
L2263 100µ KEY MDT R2268 220
MUDL MCK R2269 220
EP2261
L2264 100µ FORL NC
L2265 100µ REFL SNDS R2270 47
L2266 100µ ALCL SDSS R2271 220
L2267 100µ SNDL 2T8V R2620 1k
EP2262 DPTL 4T8V R2621 1k
L2268 100µ THML TXS R2272 220
2MBS RXS R2273 220
EP2265 RTKI POWS L2272 100µ
NC VOUT EP2271
REFCV PWRK EP2258
NC GND
EP2264 IMR GND
NC GND
MMSL GND
NC GND
EP2266 IMR2 GND
NC GND
Explanatory notes
VOLTAGE LINE
to
TX LINE
PA
unit J2
RX LINE
J2004
14V 14V
14V 14V
14V 14V
14V 14V
8V 8V
GND GND
GND GND
GND GND
GND GND
GND GND
EP2001
L2004 100µ ICL HV
L2027 100µ ICH POWS L2037 100µ
L2031 100µ H6CR8 ID2V L2025 100µ
L2001 10µ ID1V ID3V L2002 100µ
to
PA
unit J980
J2005
L2034 10µ P2T8 IDRV L2003 100µ
L2009 10µ P4T8 ID4V L2026 100µ
PT8V PT8V L2033 EXCML16A270U
L2028 100µ VUFOR PHT8 L2013 100µ
L2032 100µ 2MBL TB2V L2007 100µ
L2029 100µ PR3S TB1V L2030 100µ
L2006 100µ PR4S THER L2008 100µ
L2010 100µ P4R8 AT13 L2036 100µ
L2035 100µ P2R8 NC
L2017 100µ HREF GND
L2016 100µ HFOR 3R3V L2015 100µ
GND MST R2007 220
R2004 220 PRES MCK R2006 220
GND FDAT R2005 220
g
3R3V 8V_
5V MUDL
MMSL CP2021
SNDL
MCEM
MICM
3R3V_B ESPO CP1602
SQSM
R2212
6
-
MMDK 7 120k
5
+
R2215
4.7k IC2007
TS462CPT
VSTB
SCK FAFO
MOSI
AFMS
U8V
LRXD
LTXD
IC2001
R2011
TA7808F
4.7
I O
G
DASK
DOTK
PRES#
START
MODA
MST FSKK
MDT EALC
MCK KEY
BANV
AF
DIN
2T8V DPTL
4T8V SQLS
TXS DOUT
RXS
RTKI
VOUT
Q2603
R2619
2SC4081
33k
C2405 0.1
8V_
3R3V
5V
C2409 0.1
REFCV
3LO
3LOE
ID2V
ID3V
14V
EP2404
CIV
J2401
EP2405 REMOTE
IDRV CIVE
ID4V
PT8V
PHT8
TN2V
TN1V
EP2413
THML h
AT13
J2407
VIDEO
MST
EP2402
FDAT FSKK FSKK
EP2403 J2402
SEND
RTTY
R2417
0
J2602
EP2604 EXT-SP
14V
C2616
0.0047
J2003
L2024 100µ 8VM
L2021 10µ U/DM
L2023 100µ MAFM
L2020 100µ SENM
L2022 100µ MCEM MIC
L2019 100µ MICM
GND
L2018 100µ SQSM
J2002
EP2002 MIC
EP2003 MICE
GND
R2008 0 AFO
NC
to
EP2004 PWK CONNECT
unit J1
NC
EP2006 F8V
EP2007 LRXD
EP2008 LTXD
J2405
GND
GND
EP2408 DASK
EP2409 DOTK
R2406 220 SDSS
EP2415 SNDL
R2408 47 SNDS
START
L2402 100µ MODA
EP2410 RTKI
L2403 100µ EALC
KEY
L2404 100µ
L2405 100µ BANV
L2406 100µ AF
EP2414 DINO
to
L2408 EXCML16A270U DPTL DDS
L2409 100µ SQLS unit J951
C2427 1 DOUT
GND
GND
GND
14V
14V
14V
14V
14V
14V
GND
L2411
GND
EXCML16A270U
14V GND
J2406
GND
EP2411 8V
GND
EP2412 3R3V
GND
EP2416 5V
GND
GND
DREF
GND
NC
EP2417 8VA
8VA
C2407 0.1 C2426 0.1
NC
NC
to
REFCV DDS
unit J952
3LOE
3LO
NC
3LOE
GND
LOST R2409 220 LOST
PRES# R2410 220 PRES
1DST R2411 220 1DST
PCK R2412 220 PCK
PDT R2413 220 PDT
1CN0 R2414 220 1CN0
1CN1 R2415 220 1CN1
3DST R2416 220 3DST
GND
14V
Q2401
R2401
2SD1619
D2401
470
DAN202K
FANV
R2418
J2403
0 +
FANV
NC
M
FANG
-
J2601 P1
EP2605
ISPO SP
+
GND E
-
EP2606
J2231
EP2231
to
GND CONNECT
unit W1
11 - 6
CHASSIS
MF1
CHASSIS
SP1