Icom IC R8500 Service Manual Addendum page 167

Feb. 2009
SECTION 9 BOARD LAYOUTS
• PLL-B UNIT (TOP VIEW)
MP6
C168 C167
L51
R163
C344
C173 C346
R161
C342
L78
R149
C317
C165
R148
R147
C315
R146
C305
R145
C162
IC13
R144
C341
C312
R143
C339 C311
C160 R142
C303 C310
C158 C308
R141
C302 R250
R140
R249 R197 R195 R194 R193 R191
L86
R198 R196 R183 R192
C362 C360
C335
MP11
C337
C328
C205
C326
C206
C197
C200
L64
C207 C325
R199 C199
R203 R200
Q31
C208
C211
R231
C270 C202
L62
R207
C235
C236
C234
D20
C233
Q34
C69
C232
L17
MP3
C292 C297 C298
C293
C294 C247 C248
C22 R42
C23
C24
R35
L4
C72
C21
L80
C283
C29
C73 C291
C13
C249
C301
C299
IC3
C19
R72
R41
C289
C454
C18
C288
C281
C11 C17
C287
L2
C14
C441 C15 C16
C439
C284
C242 C285 C286
C435 C436
C440
C442 C243
C437
C438
C443 C444
R23
MP5
R21 R10 R12 R14 R16 R18 R20
R11 R13 R15 R17 R19
R189
R190
Q7
C319
C192
I 1 C I 2 C
C191
IC18
R9
Q24
C195 R121
R300
L88
C123
R139
Q22
L61
IC21
R5
C368
C121
C117
C258
C107
R212
C218 R214
L66
OPTION C363
C154
CR-293 C364
J5
DIP
20
MP14
R298 C52
C449
C448 C46
R268 C53
R54
Q45
IC5
Q44
C48
C40
R40
L11
R37
C36 R39
R38
L13
C255 C50
J7
R57
R49 C254
C41
R258 R252
Q3
R254
R52
Q43 Q42
C451
C434
C35
Q38
L6
R263
CP2
Q40
C455 R59
Q41
C358
L84 L83
C359
MP12
VCO-B
UNIT
Q49
CP3 R55
R117 Q50
R53
L32 R119
IC8 CP3
R7
C97 R87
C354
C250
L40
C131
IC10
C102
C133
R91
Q15 R247
R94
C100 C101
D17
D8 R116
C78
L22
L104
C424 L110 L109 R122
L41 C143
R296 C139
L44
L43 C408
C142
C151 R130
C140 C423 R237
C148 C146 C426 C425
C419 R400
L47 L46 C427
L45
C149 C147 L112
C145
MP16
VCO-C UNIT
MP19
C263 L74 L75
C264 C266
L73 C265
C62
C300
R244 R245
C61
C82
C81
R81
C83
R82
D7
D25
C389
C391
C240
R275
L23 D26
C377 C393
L24
C462
R85
R84
L14
L92
L91 MP24
C458
D23
B6555B
C227
t=1.6,(2)
C230
C231
C410
C465
C409
C413 C414
C446 C220
L107
IC23 R289 L105
R294
C464
C222
C223
MP26
The combination of top side and bottom side of this
J8
J11
MP17
R283 R284
R285
C398
C397
C394
C396
L100
R282
R281
Q48
C404
C367
R278
C402
C403
C210
C215
C256
L102
C432
C433