Icom IC-F21 Service Manual page 26

SECTION 9 BOARD LAYOUTS
9-1 MAIN UNIT
• TOP VIEW
R222
R223
C196
R224
R159
C194
IC16
C223
R122
R151
R50
R51
R164
D19
C253
X1 C86
C87
C88 C192
C210
Q25
C206
R192
R188
R190 C229
R187
R196
EP7 C231
R198
C228
R195
R193 C226
R143
R145
FI2
R146
C40 L10
C44
C41
Q5
R25
R22 R23
R21
Q7
R31 R24
C48
Q10
L13
C64
R32 W4
C66
C53
C67 C52
C54
C68
D7 D5
L17 L14
C207
9 - 1
R136
R138
C177
C185
C175
R112 R123 R121 R120
R116
R114
R94
C174
C143
C145
R12
C35
C33
R13
X2
R78
C140
R14
L9
R221
C29
C37
D3
C163
J3 J5
J3
MC1
J3
to the speaker
R129
R204 C235 R207
R113
R205 R203
R104
C232
C31
W14
C30
C21
W2
C159
C28
C255
C158
C157
C156
Q2
C9
C24
C26
C8
R5
C17
R9
R7
R56
R4
R55
B5601C
Q14
C15
J4
J2
to the SW-A/B units
7
GND
TLED
RLED
VCC
VOLIN
VOLOUT
1 CBI0
J1
to the SW-A unit
4
CBI3
CBI2
CBI1
1
CBI0