Section 9 Board Layouts; Main Unit - Icom IC-M302 Service Manual

SECTION 9 BOARD LAYOUTS

9-1 MAIN UNIT

•
TOP VIEW
D6
R14
C26
C25
R7 C20
R9
R10
D4
C14
C12
D2
C9
C8
antenna
connector
MP3
L9
C34
D7 R33
R26
C46
R25
C29
R31
R28 C51
R204 C246
R203
C243 L36
Q11
Q26
C22
R91
C241
C124
R92
C135
C128
C126
Q16
R8
R97
C125
C130
L26
Q1
L22
R96
C138
R5 C115
C36 R84
R21 R85
R83
R4
C16
R109
Q6
R3
L4
L3
C6
R130
D22
L32
C5
D1
L1
C174
W2
J1
to the LOGIC unit J1
30
9 - 1
B—6015C
X1
FI1 F12
C64
C60
R51
MP1
C68
C255 C306
C111 R211
R212
IC8
R95
R213
C127
D14
R210
D13
C116
R215 C259
C119
C257
D12
X2
Q12
C235
R87
C122
R89
R184
REF
DEV
PWR
Q22
D21
C140
R140
R143
R138
R139 Q21
L31
C176
C146
R110
C151 L29
R127
C145 R122
C161
C171
C164 C162
1
R42 C65
C73
C74
MIC
C206
C76 R49
R47
J2
R165 R151
R173
R183
J1
R181
R182
C304
C85
C95
LOGIC
C305
C96
R71 C99
R76
R73 C100
Q33
C199
C198
R222
C213
C149 R123 R221
Q31
Q18
C211
J2 W1
to HM-141 to the VR/SQL boards
5 1 8 1
C205
R168
C224
IC7
R56
C83 C93
R53 C106
R55 R65
C82 C91
R69
R62
C105
C92
R67
C300
C299
R226
C298
R225
C296
W1
C273
C216