Icom IC-7100 Service Manual Addendum page 39

(Amended page)
November 2018
• MAIN unit (8/10)
TO MAIN-7
FRM
FRM
BCLK
BCLK
IF-DSP
DX_3
DX_3
DR_3
DR_3
R5501
100k
TO MAIN-3
EP5501
3R3V
MPZ1608S601A
1 5
CE VOUT
2
VSS
3 4
NC VIN
IC5501
TMS320C6745CPTPA3
TO MAIN-7
IF-DSP
OSC_DV
CP5501
CP5502
CP5503
CP5504
CP5505
CP5506
CP5507
CP5508
CP5509
CP5510
CP5511
CP5512
R5519
100k
R5576
1k
C5538
A1
0.1
A2
C5539 A3
A4
0.1
A5
A6
A7
A8
A9
CP5531
C5540
A10
SHORT1005
0.1 A11
A12
A13
A14
B1
B2
B3
B4
B5
B6
R5514
B7
100k
B8
B9
100k
R5515
B10
C5508
0.1 B11
B12
C5512
B13
0.1 B14
C1
EP5502 C2
BLM15AG121SN1D
C3
C4
R5516
C5
100k C6
CP5536
SHORT1005 C7
C8
C5541
0.1 C9
C5510
1 C10
C5513
0.1 C11
C12
C13
C14
D1
D2
D3
D4
D5
R5556
D6
D7
22
R5518
47k
C5542
CP5513
CP5514
IC5502
EN25Q80A-100HIP
0.1
0.1 0.1 0.1
C5543 C5544 C5545
32
R5558 100
R5559 100
Explanatory notes
DV_TRST
DV_EMU0
L7
DV_EMU1
L6
L5 C5552
L4 0.1
L3
L2
L1
K14
K13 C5553
K12 0.1
K11 C5554
K10 0.1
K9
K8
C5555
K7
0.1
K6
K5
K4
K3
K2
K1 DSP_CK
)
J14 DSP_SI
J13 DSP_SO
J12 DSP_STB
J11 DSP_PD
DSP_REQ
J10
DSP_DEMP
J9
J8
J7 C5556
0.1
J6 C5557
0.1
J5 R5539
100k
J4
R5571
J3
J2
1k
J1
H14
H13
H12
H11
H10
H9 C5558
H8 C5559 0.1
H7 0.1
H6 C5560
H5 0.1
H4
H3
H2
H1
IC5503
EN25Q40-100GIP
C5521
FCS 1 CS 8
VCC
SPI_RX
2 D0(DQ1) 7
NC(DQ3) 0.1
3 WP(DQ2) 6
CLK
4 VSS 5
DI(DQ0)
TO MAIN-1
BER_CK
BER_DAT
TX Line
RX Line
Voltage Line (HV)
Voltage Line (VCC)
Voltage Line (14V)
Voltage Line (8V)
Voltage Line (5V)
TO MAIN-9
DSP_CK
DSP_SI
DSP_SO
DSP_STB
MAIN/SUB CPU
DSP_PD
DSP_REQ
DSP_DEMP
DRESDD
SPI_CLK
SPI_TX
J5501
3R3V
1
FCS
2
SPI_RX
3
SPI_TX
4
SPI_CLK
5
DRESDD
6
7
8