Icom IC-2300H Service Manual Addendum page 8

Feb. 2012
SD
NOIS
DETO
GND
SW5V
IDET
SW5V
SW5V
GND
GND
EXTCK
DASTB
MODIN
GND
GND
UNLK
GND
GND
PLLSTB
OE
DATA
PLLCK
PLLDATA
EXTDATA
+8V
EXTSTB
+8V
+8V
VOLOUT
C5V
PWRON
LVIN
INTSP
CLONE
EXTSP
HVIN
• LOGIC UNIT
(BOTTOM VIEW)
• MAIN UNIT
(BOTTOM VIEW)
J1 (CHASSIS)
W2
C307
R188
L42
C303
R187
L39
R186
C295
C296
C298
C291
D26
R185
L32
C270
R198
D23
R173
C276
C306
C300
C304
D33
L38
C208
R115
C205 C191 R202
C242 C227
C209
C196
R139
D34
C195
C247
R126
C232
C174 C187
C64 C162
C81
R118
C175
C166
R53
R57 D17 R122
R37 C51
C58 R47
R39
C308
R191
The combination of top side and bottom side of this
C315
R130
R197
C202
R111
C193
C192
MP3
Q23
C201
R196
C143
R129
C314
C151
Q24
R105
R112
R212
Q25
MP5
C171
R86 C45
D13
R120 Q5
C123
C122 C113
C112
Q17
C103
C106
MP5 R74
Q8
Q14
C37 C100
D3 C88
D10 R36
C95
C87
R66
C102
C39
D7 C99 Q13 Q6
C46
C89
C93
C24
R43 C29
R85
R92
C141
R90
C131
7
J3
C165
C156
C10
Q16
Q2
C82
C11
C170