Icom IC-7000 Service Manual page 85

LOGIC UNIT (3)
BUS LINE1
3V
3V
5V
5V
1R2V
1R2V
IC2
SN74AHC2G08HDCT3
FBK2 1 8
2 7
3 6
4 5
IC3
SN74AHC2G08HDCT3
FBK0 1 8
2 7
3 6
4 5
3V
EP2
IC1
TC58FVM6T5BTG65GCH
A16 1 48
A15 A16
A15 2 47
A14 BYTE
LOGIC
A14 3 46
A13 VSS
UNIT (2) A13 4 45
A12 DQ15/A 1
-
A12 5 44
A11 DQ7
A11 6 43
A10 DQ14
A10 7 42
A9 DQ6
A9 8 41
A8 DQ13
9 40
A19 DQ5
10 39
A20 DQ11
AWE 11 38
WE DQ4
DRES 12 37
RESET VDD
13 36
A21 DQ11
14 35
WP/ACC DQ3
15 34
RY/BY DQ10
A19 16 33
A18 DQ2
A18 17 32
A17 DQ9
A08 18 31
A7 DQ1
A07 19 30
A6 DQ8
A06 20 29
A5 DQ0
A05 21 28
A4 OE
A04 22 27
A3 VSS
A03 23 26
A2 CE
A02 24 25
A1 A0
EP51
3V
IC51
CY7C1021CV33 - 15BAIT
D6 E1
VCC VCC
A01 A3 B6
A0 I/00
A02 A4 C6
A1 I/01
A03 A5 C5
A2 I/02
A04 B3 D5
A3 I/03
A05 B4 E5
A4 I/04
A06 C3 F5
A5 I/05
A07 C4 F6
A6 I/06
A08 D4 G6
A7 I/07
A09 H2 B1
A8 I/08
A10 H3 C1
A9 I/09
A11 H4 C2
A10 I/010
A12 H5 D2
A11 I/011
A13 G3 E2
A12 I/012
A14 G4 F2
A13 I/013
A15 F3 F1
A14 I/014
A16 F4 G1
A15 I/015
A6 H6
NC NC
D3 G2
NC NC
A1 H1
BLE NC
ARE A2 G5
OE WE
B2 E4
BHE NC
AMS2 B5 E3
CE NC
D1 E6
VSS VSS
BUS LINE2
11 - 9
IC4
SN74AHC1G04DCK
IC1402
SN74AHC2G04HDCT
5 1
2
4 3 8
CRXD/CBSY 7
CTXD 6
TRD 5
C209 47
C208 47
C203 10
C201 0.1
C205 0.1
Q201
RTQ035P02
EP301
3V 3V_
CP301
A1
VDDEXT
A17 CRES A2
PF8
RSS A3
PF9
FBK0 A4
PF10
D15 A5
PF11
D07 FBK2 A6
PF14
D14 A7
PPI2
D06 A8
PTX0
D13 A9
PTXI
D05 A10
GND
R301
D12 A11
100 XTAL
D04 CLK A12
CLKIN
A13
VROUT0
D11 A14
GND
D03 B1
PF4
R312
D10 B2
0 PF5
D02 SPIS B3
PF6
D09 AFMS B4
PF7
D01 B5
PF12
D08 SRES B6
PF13
D00 B7
PPI3
ARE B8
PPI1
R302
B9
10k VDDRTC
B10
NMI
A01 B11
GND
B12
VROUT1
B13
SCKE
R313
B14
0 CLKOUT
MOSB C1
PF1
VSTB C2
PF2
OSTB C3
PF3
C4
GND
C5
GND
C6
PF15
C7
CP302 VDDEXT
D00 C8
PPIO
D01 C9
PPI_CLK
D02 DRES C10
RESET
D03 C11
GND
D04 C12
VDDEXT
D05
D06
D07
D08
D09
D10
D11
D12
D13 3V_
D14
D15
AWE
3V
5V
R1101
18k
MUDL_
Q1103
2SA1576
Q1102
BCR108T
TDAT
1
R1102
12k
2
Q1101
R1104 1k
2SC4081 TKEY
3
R1103 1k
4
D1305 D1304
DA221 DA221
1R2V
R203
MCR10 JPW
-
1R2V_
L202
10µ
R306 10k
TCKA
R310 10k
3V_
EMU
TMR1
ADDR3
ADDR6
ADDR8
Explanatory notes
VDDEXT
GND
VOLTAGE LINE VDDINT
GND
VDDEXT
GND
GND
VDDINT
RX
TMR0
RSCLK0
ADDR2
ADDR5
ADDR7
IC301 GND
ADSP - BF532SBBC400 GND
TX
TMR2
DR0PRI
ADDR1
ADDR4
VDDEXT
VDDINT
VDDEXT
RFSO
DR0SEC
TSCLK0
AWE
ABE0
ABE1
GND
GND
TFS0
DT0SEC
DT0PRI
CP308
3V_
1R2V_
CP303 CP306
CP307
R308
10k
CP305
3V
C651
0.001
R1114
3.3k
MUDL
VDL
D1106
1DST
MA732
MMDK
D1107
3DST
RB706F - 40
SQSS
PDT
DOTK
PCK
KEY DASK
START 1CN0
WFML
1CN1
LTXD
PRES#
LRXD
LOST
CIV
R1127 0
START
MST
KEY
MDT
MUDL
MCK
FORL
REFL
SNDS
ALCL
SDSS
SNDL
2T8V
DPTL
4T8V
THML
TXS
CPU_P12
RXS
RTKI
POWS
CPU_P22
VOUT
CPU_P94
PWRK
CPU_P95
M2 IMR
M1
L14 A03 CPU_PF6
L13 A06
L12 A08 MMSL
L11
L10
L9
L8 IMR2
R1413
L7
CP309 47k
L6
L5
L4
L3 DTXUD
L2
L1 DRCK 3V
K14 A02
K13 A05
K12 A07
K11
K4
CP310
K3 DRXUD
K2 SCKB
K1 R314 0 DRPA
J14 A01
J13 A04
J12
J11
J4
J3 DRFA
J2
J1 DTCK
H14 AWE
H13
H12
H11
H4
H3 DTFA
H2
H1 DTPA
1R2V_
J651
VDL
1DST
MMDK
3DST
SQSS
PDT
DOTK
PCK
DASK
1CN0
WFML
1CN1
LTXD
PRES#
LRXD
LOST
CIV
CIVE
START
MST
KEY
MDT
MUDL
MCK
FORL
REFL
SNDS
to MAIN
ALCL
unit J2252
SDSS
SNDL
2T8V
DPTL
4T8V
THML
TXS
CPU_P12
RXS
RTKI
POWS
CPU_P22
VOUT
CPU_P94
PWRK
CPU_P95
IMR
CPU_PF6
MMSL
IMR2