Board Layouts; Ic-F22/F22S/F22Sr Main Unit - Icom IC-F21 Series Service Manual

SECTION 9

BOARD LAYOUTS

9-1 IC-F22/F22S/F22SR MAIN UNIT

• TOP VIEW
R222
R223
C196
C244
R159
C194
IC16
C223
R122
J6
R151
R50
R51
R164
D19
C253
X1 C86
C87
C192
C88
C210
Q25
C206
R192
R188
R190 C229
R187
R196 C231
EP7
C228 R198
R195
R193 C226
R143
R145
FI2
R146
C40 L10
C44
C41
Q5
R22 R23 R25
R21
Q7
R31 R24 C48
Q10
L13
C64
R32 W4
C66
C53
C67 C52
C68 C54
D7 D5
L17 L14
C207
9 - 1
S2
R136
R138
C177
C185
R112 R123 R121 R120
C175
R116
R114
R94
R113
C174
C143
C145
R12
C35
C33
R13
X2
C140 R78
R14
L9
R221
C29
C37
D3
C28
C163
C27
J3 J5
J3
MC1
J3
to the speaker
R129
R204 C235 R207
R203
R205
R104
C232
C31
W14
C30
C21
W2
C159
C158
C157
C156
Q2
C9
C24
C26
C8
C23 C17
R9
R7
R56
R4
R55
Q14
C15
B5685B
J4
J2
to the SW-A/B units
7 GND
TLED
RLED
VCC
VOLIN
VOLOUT
CBI0
1
J1
to the SW-A unit
4 CBI3
CBI2
CBI1
1
CBI0