Icom IC-7300 Service Manual page 41

(Amended page)
October 2016
• MAIN UNIT (MAIN-6)
IC1351
AA21
DIFFIO_R36p
T17
RUP3
T18
RDN3
W20
NC
W19
VREFB5N1
Y22
DIFFIO_R35n
R1380 Y21
DIFFIO_R35p
100 U20
DIFFIO_R34n
U19
DIFFIO_R34p
W22
DIFFIO_R32n
R1351 W21
DIFFIO_R32p
100 T20
DIFFIO_R31n
T19
F2R5V DIFFIO_R31p
R17
DIFFIO_R30n
R1352 P17
DIFFIO_R30p
100 V22
DIFFIO_R29n
V21
DIFFIO_R29p
R20
DIFFIO_R28n
R1353 U22
DIFFIO_R27n
100 U21
DIFFIO_R27p
R18
DIFFIO_R26n
R19
DIFFIO_R26p
R1354 N16
DIFFIO_R25p
100 R22
DIFFIO_R24n
R21
DIFFIO_R24p
P20
VREFB5N0
R1355 P22
DIFFIO_R23n
100 P21
DIFFIO_R23p
N20
DIFFIO_R22n
N19
DIFFIO_R22p
R1356 N17
DIFFIO_R21n
100 N18
DIFFIO_R21p
N22
DIFFIO_R20n/DEV_OE
N21
DIFFIO_R20p/DEV_CLRn
R1357 M22
DIFFIO_R19n
100 M21
DIFFIO_R19p
M20
DIFFIO_R18n
M19
DIFFIO_R18p
R1358 M16
NC
100 T22
DIFFCLK_3n
T21
DIFFCLK_3p
R1359 EP4CE55F23I7N
100
MAIN-1
3R3V
2R5V
2R5V
EP1351
1R2V
MPZ1608S601A
EP1352
MPZ1608S601A
EP1353
MPZ1608S601A
F3R3V
IC1351
J11 VCCINT
F1R2V VCCD_PLL4
J12 VCCINT
VCCD_PLL3
L14 VCCINT
VCCD_PLL2
M14 VCCINT
VCCD_PLL1
P11 VCCINT
P12 VCCINT
L9 VCCINT
M9 VCCINT
J13 VCCINT
VCCIO8
J14 VCCINT
VCCIO8
K14 VCCINT
VCCIO8
J10 VCCINT
VCCIO8
K9 VCCINT
VCCIO7
N9 VCCINT
VCCIO7
P9 VCCINT
VCCIO7
P10 VCCINT
VCCIO7
P13 VCCINT
VCCIO6
P14 VCCINT
VCCIO6
N14 VCCINT
VCCIO6
J16 VCCINT
VCCIO5
K15 VCCINT
VCCIO5
L16 VCCINT
VCCIO5
M15 VCCINT
VCCIO4
R12 VCCINT
VCCIO4
R10 VCCINT
VCCIO4
R8 VCCINT
VCCIO4
H9 VCCINT
VCCIO3
G12 VCCINT
VCCIO3
J8 VCCINT
VCCIO3
M8 VCCINT
VCCIO3
T7 VCCINT
VCCIO2
T9 VCCINT
VCCIO2
T13 VCCINT
VCCIO2
P15 VCCINT
VCCIO1
H15 VCCINT
VCCIO1
H11 VCCINT
VCCIO1
Explanatory notes K8 VCCINT
L7 VCCINT
TX signal
EP4CE55F23I7N
RX signal
Voltage Line
IC1351
G22
DIFFCLK_2n
G21
DIFFCLK_2p
DONE M18
CONF_DONE
M17
MSEL0
L18
MSEL1
MSEL2 L17
MSEL2
K20
MSEL3
MSEL3
L22
DIFFIO_R17n/INIT_DONE
L21
DIFFIO_R17p/CRC_ERROR
K19
VREFB6N1
K22
DIFFIO_R16n/nCEO
K21
DIFFIO_R16p/CLKUSR
J22
DIFFIO_R15n
J21
DIFFIO_R15p
H22
DIFFIO_R14n
H21
DIFFIO_R14p
K17
DIFFIO_R13n
K18
DIFFIO_R13p
J18
DIFFIO_R12n
F22
DIFFIO_R11n
F21
DIFFIO_R11p
J20
F3R3V DIFFIO_R10n
J19
DIFFIO_R10p
J17
NC
H20
DIFFIO_R9n
H19
DIFFIO_R9p
E22
DIFFIO_R8n/nWE
E21
DIFFIO_R8p/nOE
H18
VREFB6N0
H16
NC
D22
DIFFIO_R7n
D21
DIFFIO_R7p
F20
DIFFIO_R6n/nAVD
F19
DIFFIO_R6p
G18
DIFFIO_R5n/PADD23
H17
DIFFIO_R5p
C22
DIFFIO_R4n
C21
DIFFIO_R4p
B22
DIFFIO_R3n/PADD22
B21
DIFFIO_R3p/PADD21
C20
DIFFIO_R2n/PADD20
D20
DIFFIO_R2p
F17
DIFFIO_R1n
G17
DIFFIO_R1p
EP4CE55F23I7N
EP1354
EP1355
MPZ1608S601A MPZ1608S601A
IC1351
F1R2VP
V17
F6
E17
DIFFIO_L3p/nRESET
U6
U18
VCCA4
G6
VCCA3
F18
VCCA2
T6
VCCA1 DIFFIO_L5n/DATA1
F2R5VA
D11
D9
D5
A2
D16
D14
DIFFIO_L8p/FLASH_nCE
D12
A21
L19
G19
E19
Y19
V19
P18
W18
W16
W12
AB21
W11
W9
W5
AB2
W4
F2R5V
U4
N4
K4
F4
D4
EP4CE55F23I7N
F3R3V
38
R1371
100
IC1351
V6
DIFFIO_B1p R1386
V5
DIFFIO_B1n 100
U7
DIFFIO_B2p
U8
DIFFIO_B2n
Y4
DIFFIO_B3p R1385
Y3
100
DIFFIO_B3n
Y6
NC
CP1358 AA3
PLL1_CLKOUTp
AB3
R1384
PLL1_CLKOUTn
CP1359 W6
DIFFIO_B4p 100
V7
DIFFIO_B4n
AA4
NC
AB4
R1383
VREFB3N1
AA5
DIFFIO_B5p 100
AA6
F3R3V DIFFIO_B5n
AB6
DIFFIO_B6p
AB5
DIFFIO_B6n
W7
DIFFIO_B7p
Y7
DIFFIO_B7n
U9
DIFFIO_B8p
V8
DIFFIO_B8n
W8
NC
AA7
DIFFIO_B10p
AB7
DIFFIO_B10n
Y8
DIFFIO_B11p
T10
DIFFIO_B13p
T11
DIFFIO_B13n R1382
V9
100
VREFB3N0
V10
DIFFIO_B15p
U10
DIFFIO_B16n
R1387
AA8
R1381
DIFFIO_B17p
1K AB8
DIFFIO_B17n 100
1K AA9
DIFFIO_B18p
R1388
AB9
DIFFIO_B18n
U11
DIFFIO_B19p
V11
DIFFIO_B19n
W10
DIFFIO_B20p
Y10
DIFFIO_B20n
AA10
DIFFIO_B21p
AB10
DIFFIO_B21n
AA11
DIFFCLK_6p
AB11
DIFFCLK_6n
EP4CE55F23I7N
C1338
220P
C1339
220P
G4
DIFFIO_L1p
EP1364
G3
R1401
DIFFIO_L1n MMZ1005Y102CT
B2 DCCLK 47K
DIFFIO_L2p EP1401
B1 /DCCLK C1401
DIFFIO_L2n
G5 0.1
MMZ1005Y102CT
VREFB1N0 MMZ1005Y102CT
E4 IC1401
EP1365
E3 FFCS 1 8
DIFFIO_L3n/ CS VCC
C2 2 7
FFDO
DIFFIO_L4p D0(DQ1) NC(DQ3)
C1 3 6 FFCLK
DIFFIO_L4n WP(DQ2) CLK
D2 FFCS 4 5 FFDI
DIFFIO_L5p VSS DI(DQ0)
D1
23LC1024T
H7
NC
H6
DIFFIO_L6p
J6
DIFFIO_L6n
H4
DIFFIO_L7p F3R3V
H3
DIFFIO_L7n
E2 FFDO
E1
DIFFIO_L8n
F2 FFDI
DIFFIO_L9p
F1
DIFFIO_L9n
J5
NC
H5
VREFB1N1
K6 STAT
nSTATUS
J7
DIFFIO_L11p
K7
DIFFIO_L11n
J4
DIFFIO_L12p
H2
FFCLK
DIFFIO_L13p
H1
DIFFIO_L13n
J3
DIFFIO_L14n
J2
DIFFIO_L15p
J1
DIFFIO_L15n
K2 SPCK
DCLK
K1
SPDO
DATA0
K5 CFG
nCONFIG
L5
TDI
L2
TCK
L1
TMS
L4
TDO
L3
nCE
G1
DIFFCLK_0n
IC1351 IC1351
AA12 F16
DIFFCLK_7p DIFFIO_T42n
AB12
E16
DIFFCLK_7n DIFFIO_T42p
AA13 F15
DIFFIO_B23p DIFFIO_T41n
AB13 G16
DIFFIO_B23n DIFFIO_T41p
AA14
G15
DIFFIO_B25p DIFFIO_T40n
AB14 F14
DIFFIO_B25n DIFFIO_T40p
V12 C18
VREFB4N1 DIFFIO_T39n
W13 D18
DIFFIO_B26p DIFFIO_T39p
F3R3V
Y13 D17
DIFFIO_B26n VREFB7N0
AA15 C19
DIFFIO_B27p DIFFIO_T37n
AB15 D19
DIFFIO_B27n DIFFIO_T37p
U12 DACLK A20
DIFFIO_B28p
PLL2_CLKOUTn
Y14 MAIN-4 B20
F2R5V DIFFIO_B29p PLL2_CLKOUTp
Y15 C17
DIFFIO_B29n DIFFIO_T35p
AA16 R1366 B19
DIFFIO_B30p FPX_AGC
RUP4
AB16 A19
BCLK
DIFFIO_B30n RDN4
V13 22 A18
DIFFIO_B31p MCLK DIFFIO_T34n
W14
B18
DIFFIO_B31n
DIFFIO_T34p/PADD0
R1368
U13 D15
DIFFIO_B32p DIFFIO_T33n
BCLK__
V14 E15
100
DIFFIO_B33p DIFFIO_T33p
U14 MAIN-2,4
G14
DIFFIO_B33n
DIFFIO_T32n
U15 G13
DIFFIO_B34p DIFFIO_T32p
R1369
V15 A17
DIFFIO_B34n FRM__ DIFFIO_T31n/PADD1
W15
B17
DIFFIO_B35p 100
R1367 DIFFIO_T31p/PADD2
T14 A16
DIFFIO_B36p FRM DIFFIO_T30n
T15 B16
DIFFIO_B36n 22 DIFFIO_T30p
AB18
C15
NC VREFB7N1
MAIN-4
AA17 E14
DIFFIO_B37p DIFFIO_T28n/PADD3
AB17 F13
DIFFIO_B37n DIFFIO_T28p/PADD4
AA18 A15
VREFB4N0 FPX_DET DIFFIO_T27n/PADD5
AA19 B15
RUP2 DIFFIO_T27p/PADD6
AB19 C13
RDN2 DIFFIO_T26n/PADD7
W17 D13
DIFFIO_B38p RSSI DIFFIO_T26p/PADD8
Y17 E13
DIFFIO_B38n NC
AA20 A14
DIFFIO_B39p FPR_MOD DIFFIO_T25n/PADD9
AB20 B14
DIFFIO_B39n DIFFIO_T25p/PADD10
V16 A13
NC
/FPCAL DIFFIO_T24n/PADD11
U16 B13
DIFFIO_B40p DIFFIO_T24p/PADD12
U17 E12
DIFFIO_B40n NC
T16 E11
PLL4_CLKOUTp
DIFFIO_T23n/PADD13
R16 F11
PLL4_CLKOUTn DIFFIO_T23p/PADD14
R14 A12
DIFFIO_B41p DIFFCLK_5n
R15
B12
DIFFIO_B41n
DIFFCLK_5p
EP4CE55F23I7N EP4CE55F23I7N
IC1351
V18
L10
GND GNDA4
L11 F5
GNDA3
GND
M10 E18
GND GNDA2
M11 U5
GND GNDA1
L12 AA22
GND GND
L13 AA2
GND GND
M12 G2
GND GND
M13 K3
GND GND
N11 F3
GND GND
K11 D3
GND GND
N12 W3
GND GND
K12 U3
GND GND
K13 N3
SCPCK
GND GND
AB1
SCPSS N13
GND GND
SCPR N10 Y5
GND GND
K10 Y9
SCPX
GND GND
Y11
J9
GND GND
MAIN-2
F12 Y12
GND
GND
H12 Y16
GND GND
SPDO Y18
H13
SPDO GND GND
STAT J15 AB22
GND
STAT GND
DONE K16 Y20
DONE GND GND
SPCK V20
L15
SPCK GND GND
CFG N15 P19
GND
CFG GND
R13 L20
MAIN-4 GND GND
R11 G20
GND GND
DCCLK R9 E20
GND
DCCLK GND
/DCCLK P8 A22
GND GND
/DCCLK
H14 C16
GND GND
MAIN-1
H10 C14
GND GND
H8 C12
GND GND
N8 C11
GND GND
R7 C9
GND GND
T8
GND
T12
GND
P16
GND
L8
GND
M7
R1363 GND
A1
GND
C5
GND
MSEL2 H
EP4CE55F23I7N
MSEL3 H
10K
*: Refer to the PARTS LIST for the value and name of component.
IC1351
A11
DIFFCLK_4n
B11
DIFFCLK_4p
D10
DIFFIO_T22n
E10
DIFFIO_T22p
A10
DIFFIO_T21n
B10
DIFFIO_T21p/PADD15
A9
DFR_MOD DIFFIO_T20n/PADD16
B9
DIFFIO_T20p/PADD17
C10
VREFB8N0
G11
DIFFIO_T18n
A8
DIFFIO_T17n/DATA2
DFX_DET
B8
DIFFIO_T17p/DATA3
A7
DFX_AGC DIFFIO_T16n/PADD18
B7
DIFFIO_T16p/DATA4
A6
DIFFIO_T15n/PADD19
B6
DIFFIO_T15p/DATA15
E9
DIFFIO_T14n
C8
DIFFIO_T13n/DATA14
C7
DIFFIO_T13p/DATA13
D8
MAIN-4
DIFFIO_T12n
F3R3V
E8
DIFFIO_T12p
A5
DIFFIO_T11p/DATA5
B5
VREFB8N1
G10
DIFFIO_T10n
F10
DIFFIO_T10p/DATA6
C6
DIFFIO_T9n/DATA7
D7
DIFFIO_T9p
A4
FPRES
DIFFIO_T8n
B4
DIFFIO_T8p/DATA8
F8
DIFFIO_T7n/DATA9
G8
DIFFIO_T7p
A3
/CAL DIFFIO_T5n/DATA10
B3
DIFFIO_T5p/DATA11
D6
DIFFIO_T4n
E7
DIFFIO_T4p
C3
DIFFIO_T3n
C4
DIFFIO_T3p/DATA12
F7
DIFFIO_T2n
G7
DIFFIO_T2p
F9
NC
CP1356 E6
PLL3_CLKOUTn
CP1357 E5
PLL3_CLKOUTp
G9
DIFFIO_T1n
EP4CE55F23I7N
IC1351
T2
DIFFCLK_1p
T1
DIFFCLK_1n
L6
DIFFIO_L16p
M6
DIFFIO_L16n
M2
DIFFIO_L17p
M1
DIFFIO_L17n
M4
DIFFIO_L18p
M3
DIFFIO_L18n
N2
DIFFIO_L19p
N1
DIFFIO_L19n
M5
VREFB2N0
P2
DIFFIO_L20p
P1
DIFFIO_L20n
R2
DIFFIO_L21p
R1
DIFFIO_L21n
N5
DIFFIO_L22n
P4
DIFFIO_L23p
MAIN-2 P3
DIFFIO_L23n
U2
DIFFIO_L24p
U1
FPSX DIFFIO_L24n
V2
DIFFIO_L25p
V1
FPSR DIFFIO_L25n
P5
DIFFIO_L26p
N6
DIFFIO_L26n
R4
F3R3V DIFFIO_L27p
R3
DIFFIO_L27n
W2
DIFFIO_L28p
W1
FPDX
DIFFIO_L28n
Y2
DIFFIO_L29p
Y1
DSPCK
DIFFIO_L29n
T3
VREFB2N1
N7
MAIN-2,4
DIFFIO_L30p
P7
DIFFIO_L30n
AA1
DSPR
DIFFIO_L31n
V4
RUP1
V3
RDN1
P6
DIFFIO_L32p
R5
DIFFIO_L32n
T4
NC
T5
DIFFIO_L33p
R6
DIFFIO_L33n
EP4CE55F23I7N