Kenwood KRF-X7775D Service Manual page 18

K L
PC BOARD (Component side view)
X08-3090-11 (J70-1482-12)
1
C472
R484
R482
C474
SBR
8 5
C466
IC22
C465
2
R483
4
1
SBL
R481
C471
C422
R434
R432
C424
SW
8
5
C416
IC19
C415
3
R433
4
1
C
R431
C421
C372
R384
SR R382
C374
8 5
IC16
C366
C365
4
R383
4
SL 1
R381
C371
C322
R334
R332
R C324
8 5
IC13
C316
C315
R333
4
1
5
L
R331
C321
C230
R236
C235
C222
4
1
IC9
C236
C221
5 8
6
R235
L2 L1
R973
R975 C229
R974 R976
CN3
16
7
19
M N
C454
R457
R467
C452
C468
R463
IC20
R472 R456
R455
14
15
R464
C464 R453
5
8
R468 R454
R470
DAC
R469 IC21
R466
4
C463
1 R462
R452
1
28
R471
R461
C467
C456
R465
R407 C404
R417
C402
C418
R413
IC17
R422 R405 R406
14
15
R414
C414 5 R403
R420 R418
8 R404
IC40
IC18
R419
C406
R416
C413 4
1
R412
R402
1
28
R421
R411
C417
R415 C354
R357
R367
C352 IC39
C368
R363
IC14
R375 R355 R356
14
15
R364 R353
C364 5
R368 R727
8 R354
R370
IC15 C704
R369 C356
R366
4
C363
1 R362
R352
28
1
8
R371
R361
C367
R365 IC38
R307
C304
R317
C318 C302
R313 7
IC11
R322 R305 R306
14
15
R314 R303
C314 5
IC53
R318
8 R304
R320
5V
R319 IC12
R316
C313 4
1 R312
R302
28 1
R321
R311
C317
C306
R315
R211
C208 C203
C232
C212
C962
IC7
R230
15
14
14
R204
1 R205
R203
R206
4 R210
IC44
R202
ADC
IC8
5
1
C707
28
1
8 R900
R899
R229
R898
C231
R897
C205
C207 C201
CN2
1 20
O P
R639
26
R655
R638
R657
R637 R654
R636
C705
R635
C621
R724 R634
R732
R658
C701
156
R633
157
IC31
25
R632
DSP
R660
11 20
21
R722
40 R711
26
R723
R701
R662
R702
R703
R704 C626
10 1
R705
R706
R721
C627
IC32
R707
R708
R712
11 20 R663
R713
R714
R715
R664
25
R716
R717
R718
R719
1
10 R675
5 4 R609
1 20 R670
R710 R709
208
R671
1 3
IC35
1
C602
C632
R603 C601
R666
R602
R607
14 R667
R604
R665
R605 R606
R669
1
G
R815
R818
R962
R833
40
R817
R834
R963
R814
41
R816 IC43
R835
U-COM
R915
R964
R836
I O
R914
R837
R912
R838
R911
R850
60
R913
R868
R851
R852 61
C802
C959
R853
R854
R855
8
C806
R862
R902
R863
R904
R999
X3
7
C951
R901 I G O
R905
IC51
R951 R953
R952
R903
1 20
20
Q R
C71 R71
1
14
R4
R7
IC34 50
IC1
8
IC2
C619 7 8
C617 C615
C618
C620
C616
105
7
IC52
104
3.3V
R17
1
R640 R14
R643
IC33 50 1 5
C958
R642
R641
R955
IC41
C955
5 R956
4
R629
1
R957
R628
3 1
R627
R612
R625
R618
53
C604 R617 52
R626
R616 R34
5
C633 C634
4
IC42 R37
C603 R622
C605
R76
5 4 4 4 3 1 C75
3
3
IC37
8
8 5 1 5 1
1
IC3
IC45 1
IC36
IC5
X2
C631
R674
R810
7
21 R809 R47
8 9
20
R44
R79
14
15
R110
R111 IC6 C104
R54
R803 R112 R105
R57
1
R802 R113
C105
R801 R114
80
R106
C102
R804
C110
1 8
R860
28
R805
R115
R859 C103 IC4
C101
R808
R116
DIR
R858
R807
R117
R126
R857
R806
R118
R864 7
IC54
C116
R121 5V
C111
I
R67
R972
C954 R969
R64
R971
O
R970
R120
CN1
C963 C965
1
Refer to the schematic diagram for the value of resistors and capacitors.
S T
C73
R73
C72
R74
R72 R75
C74
14
1
C956
14
16
1
14
1
G