Section 9 Board Layouts; Main Unit - Icom IC-F50 Service Manual

SECTION 9

9-1 MAIN UNIT

•
TOP VIEW
J1
to the FRONT unit J401
36 VCC
VCC
NC
+5V
S5V
GND
GND
PWON
CSFT
DAST
MRDF
MDIA
UNLK
TEMP
RSSI
LVIN
KR1
CDEC
SDEC
NOIS
MTCK
MTOT
EXOE
EXSM
SCAT
PLST
SCST
MSCK
MDIO
SCK
SO
SIGNAL
CDCS
TONE
GND
1 MIC
BOARD LAYOUTS
R58
C375
R77
C206
R109
C208
C209
C155
C271
C304
R195
C281 R192
9 - 1
F1
C237 R167 R168 R297
IC9
C239 C295
C230 C81
C368
Q8
C86
C83
R54
C84
R9
C88 R59
R3
C76
Q16
C111
L42
L43
L28
L27
R87
R111
C145
R95
C146
R96
C130
C147
C149
C173
R121
R134
C290
C251
C266
C258 C128
C257 C127
IC10
R135 R126
R193
C263 C256
J1
L30
R371
R338
D6
C74
C20
R2
C22
L7
C79
C27
R4
R14
R8 R5
L8
C25
C35
C34
C80 R18
C33
R19
R7
R15
R12
Q2
Q1
C339
R173 D9
C39
R21 C43
D10
C45
R23 C46
C42
R90
C223
R183
C106
R157 R151
C229
R120
IC6
C254
C253
R123
F12
R182