Icom IC-F51 - Manual (Page 27)

SECTION 9 BOARD LAYOUTS
9-1 MAIN UNIT
• TOP VIEW
R123 C256 C263
C281
C304
R194
C303
C271
R109
C208
C202
C206
R86 C145
C203
C143
R101
R100
C141
R89
C76
C83
C104
C111
R87
C139
EP1
R80
C257
C258
R127
R128
C247
C266
C251
R187
R23
C43
R21
R104
C170
R153
R154 R155
R152
C180
R148
C222
R182
C221 C223
R20
C37
C23
R174
R173
R16
C32
C28
R13
C27
R11
R5
R2
C78
R8
C86
C230
C295
R167
R168
C87
C79
R61
C106
R4
C18
R6
C30
R171
R12
R14
R172
C186
C38
R22
R151
C243
R134
C254
C253
EP5 C246
C245
R195
C300 C299 C298 C301
C200
R141 C252
C290
R133
C265
R122 R121
C172
R181
C42
C45
C39
C40
C33
C29
R19
C22
C25
C19
C17
C26
C20
R15
R175
R183
R184 R185 C225
R147
R120 R196 C229
R157
R110 C185 R103
C213
R113
C138 R95 R96
L27
R7
C100
R10 C91 R55 R54 C94
C89
C85
C237 C307
C296
C297
C293
C88 R57 C92
R71 C107 R70 C110 R77
R59 C58
R53 C84
R3 C77
R9 C73
R88
R75
C103
C109
C241
C205
C207
C105 R76
C80
R105
EP4
C306
R111
R124
R36
R126 R135
R193 R192
L42
IC17
IC10
J1
IC6
C150
IC5
FI2
X1
L43
L28
C201 D18
C171
C224
C146
C147
D8
D4
Q2
D9 D23
D10
D25
Q1 Q18
C98
IC2
Q7
MP4
C236 Q26
S1
L18
F1
C81
Q8
IC9
J1 (CHASSIS UNIT)
EP2
Q16
L41
L32
IC11
IC13
IC12
VHF B6032B
IC16
Q15
Q11
L21
D7
D6
L31
36
1
VCC
VCC
NC
+5V
S5V
GND
GND
PWON
CSFT
DAST
MROF
MDIA
UNLK
TEMP
RSSI
LVIN
KR1
CDEC
SDEC
NOIS
MTCK
MTOT
EXOE
EXSM
SCAT
PLST
SCST
MSCK
MDIO
SCK
SO
SIGNAL
CDCS
TONE
GND
MIC
J1
to the FRONT unit J401
9 - 1