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Kenwood KRF-X9992D Service Manual page 8

Audio video surround receiver
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AE
AF
PC BOARD(Component side view)
X25-6202-71 A/7
(J70-1292-11)
1
C22
Rch
R
5
8
IC1
4
1
PHONO
Lch
C21
L
PHONO EQ
1
CN21
2
R208
W16
+17V
W17
-17V
W302
1
CN22
W24
W7
DATA
R213
C213
W8
CLK
15
28
IC23
3
14
1
C214
R214
W10
GND
VIDEO AVR
W11
-17V
W12
-5V
+17V
W13
IC82
Lch
W14
GND
O
I
G
C814
R226
CN26
R225
C816
4
1
4
X25 B/7
4
1
CN27
C SELECTOR
R159
R154 R155
PLAY
IN
E B
C119
E B
R156
R114
W200
R157
R110
C121
R112
16
5
C120
REC
W185
OUT
C122
R113
1
R150 R151
R914
C152
R103
W189
R146 R147
Q11
C115
R149
PLAY
E B
IN
R104
E B
C116
R106
R148
16
C117
R107
R122 C150
W188
REC
W191
1
OUT
Y SELECTOR
C118
R518 R519
C153
R515
R514
Q51
C123
PLAY
R115
R118
E B
E B
6
IN
R516
C124
16
C154
R120
R916
C125
R119
PLAY
1
W194
IN
V-A
Q15 Q30
SELECTOR
C126
B E
C129
E B
R101
R132
R143
R131 R136
R125
R184
MONITOR
B E
B E
R135
OUT
R102
W313
C143
7
Refer to the schematic diagram for the value of resistors and capacitors.
AG
AH
C831
Q85
W154
R828
W153
E
B
D87
CN29
9
1
W90
K1
W256
R221
W91
W37
C208
W146
W92
W290
W93
W115
E B
E B
W94
W133
W95
W55
W96
CN24
W56
W97
15
1
18
W57
W100
W49
R-ch
W102
W130
W119
L-ch
W50
W103
R204
W120
W144
W51
B E
B E
W116
W137
E B
E B
W52
Q401
Q352
R209
W53
E
C401
E
C352
B
B
R210
R203
R218
C403
R402
C356
C402
C354
R354
R217
R403
R356
B
R415
B
R380
E
E
E B
Q402
Q354
E B
R405
R360
C405
C360
C404
C358
R220
R404
R358
W303
R364
C554
R407
C553
CN28
C413
C376
C406
C407
C362
C364
Q403
Q356
20
1
4
E
B
E
B
R413
R376
W47
D41
C410
R409
D36
C370
R368
W48
R408
C411
R366
C372
Q404
Q358
C209
B
E
R412
B
E
R374
W124
W149
R201
C201
C408
C366
Q360
Q405
7
1
C368
R414
E
B
R378
E
B
W68
Lch
D38
W69
+17V
IC21
D42
W70
GND
R411
R372
W71
-17V
R370
8
14
R410
W72
Rch
R202
C202
C409
W138
W73
W139
W26
C210
W74
W114
W75
C813
W42
+5V
W317
E2
WH5
I
IC83
O
G
13
1
VGND
C815
W41
W39
W316
W315
W286
C817
CN25
W40
13
1
13
1
W213
CN11
D92
W289
W214
R522
W255
W6
R521 R520
W215
IC53
W299
W216
18
10
R152
W217
W218
W300
9
9
W219
1
W117
C130
W220
WH4
E18
8
GND
11
1
W221
W206
W222
+5V
B E
W207
W243
+5V
C141
E B
1
R924 R925
W223
C908
W271
W224
IC91
C142
8
1
R144
W225
W198
R904 R903 C906 C903
W226
7
C901
9
W227
10
W228
R923
W229
C909
8
C905
1
C503
W230
W231
W232
IC13
R512
W233
16
9
C504
W234
C149
1
W199
W235
R130
8
W236
9
R162 C136
W237
1
15
V-B SELECTOR
W238
W273
R511
8
C522
E B
Q54
W239
W274
W241
E B
E B
Q53
W266
B E
R510
W265
W248
1
4
VIDEO
R509
W244
AMP.
W249
8
5
W245
IC52
W298
W250
AI
AJ
B
E
B
E
Q83
C829
Q86
R824
D89
R801
E
B
R821
5
Q81
E B
D83
C828
C811
R462
C809
VIDEO AVR
8
D85
W170
+17V
W171
R809
W202
W208
W151
W203
A-CLASS
W292
W168
W204
SL-ch
SR-ch
C-ch
W205
W179
W186
W143
W165
+B
W166
W180
W187
B E
B E
B E
C457
W160
W174
W184
Q301
W254
Q351
D48
Q302
C301
D6
E
C351
B
B
B
E
C302
E
D49
C355
C306
C305
C353
R353
C304
R304
C303
Q454
D79
B E
R303
R355
R306
R305
R491
B
R379
R330
R329
R482
E
E
B
E
B
D5
R489
Q353
Q304
Q303
R359
R310
R309
C309
R495
C310
R476
C357
C359
C308
C307
R457
R357
R308
R307
B E
R314
Q458
Q464
C552
R363
C551
C550
R313
C375
C325
C326
E
B
B
C361
C363
C312
C314
C311
C313
Q355
E B
Q306
E
B
E
B
E
B
Q463
R326
Q305
R325
Q466
R375
E
B
B
D35
D32
C320
R318
D31
C319
R317
C369
R367
D77
R365
C371
R316
C322
R315
C321
E B
Q357
Q308
Q307
D4
W287
B
E
R373
B
E
R324
B
E
R323
D76
B E
W247
W169
W181
W193
C365
C315
Q470
Q468
C316
Q359
Q310
Q309
B
E
B
W312
C367
C318
C317
D80
E
B
R328
E
B
R327
E
B
R377
Q469
B E E B
D34
D37
D33
B
R322
Q460
R371
W182
D46
R319
R320
R369
D47
C456
W183
W161
W176
W162
W177
A-CLASS AVR
29
9
C462
C463
1
X25 D/7
X25 E/7
PLAY
C515 R523
IN
C511
REC
C516
OUT
R524
9
C517
PLAY
R525
IN
1
1
W2
C518
REC
OUT
R526
7
PLAY
C519
IN
1
R527
PLAY
C149
IN
R172
15
C501
A
R528
W1
C147
B
R173
11
AK
AL
AUDIO
AVR
B
E
Q84
W275
Q82
E
B
W280
R806
4
R825
D86
R804
C802
R802
C801
1
C810
D84
D999
CN23
R812
-17V
W305
W157
1
9
W158
R468
R480
F3 T1.6V L 250V
9
R467
R478
R475
CN88
CN87
C822
E B
E B
1
E
R496
R471
D88
Q465
W261
B
E
E
R473
CN82
C824
CN81
W281
W145
E
B
C452
Q451
F2 T1.6V L 250V
C412
E
C451
E
R417
Q452
B
E
B
E
D82
R499
R477
D996
B
E
Q467
R498
W284
R472
C826
IC84
G
O
I
C820
1
P2
W304
W251
C818
W301
W252
D39
CN51
W262
DSP
AVR
W263
15
1
E5
WH6
X25 C/7
E1
ED1
R652
R651
W178
W83
W196
W190
W60
W212
W89
W276
R632
R633
1
R634
R638 R639
A1
C604
PEAK LEVEL
DOLBY DIGITAL
D64
W34
+5V
D63
WH7
R604
R637
51
80
R636
50
81
R635
4
IC61
1
E16
R613
31
100
30
1
D61
W18
GND
SP-A
L2
X1
D67
R629
C606
L1
S7
R608
W81
R606
SP-A
R609
R630
C602
R615
W44
W84
W31
GND
R631
W45
W85
C608
W9
C633
+5.6V
W32
W46
C613
W86
S7
C614
D68
SP-B
R607
S5
E B
1
13
MUTE
SP-B
R626
CN33
D69
E20
AM
AN
X25 F/7
9
1
R709
J3
R710
P1
X25 G/7
W125
W3
W113
62
D65
MPEG
THX/Re-EQ
/DTS
C609
S4
INPUT SEL.
C612
R628
C611
R627
S3
DISP. MODE
12

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