Kenwood KRF-V9992D Service Manual page 9

AE AF
PC BOARD(Component side view)
X25-6040-10 A/7 (J70-1138-31)
1
C22
Rch
R
5
8
IC1
4 1
Lch
C21
L W37
W290
PHONO EQ
W133
J1
CN21
1
2
R204
E B
R208
R210
W16 R218
+17V
W17
-17V E B
W302 R220
1
CN22
W24
W7 DATA
R213
W8 CLK
C213
7
15 28
3
IC23
14 1
8
C214
W26
R214
W10
GND
W11
-17V
W12 VIDEO AVR
+5V
+17V -5V
W13
IC82
Lch
W14
GND
VGND
O I G
W39
C814
R226
R225
W40
C816
4
4 1
CN26
X25 B/7
4 1
CN27
R159 R154 R155
PLAY
E B
IN
C119
E B
R156
R114 R110
16
C121
C120
R112
REC
OUT W185
5
C122
R113 1
R914 R150
C152 R103
W189
R146
C115
PLAY
IN R104
E B
C116 R106
16
Y SELECTOR
C117
R107
W188
REC C118
W191
OUT
1
R518
C153 R515 R514
C123
Q52
VIDEO3
PLAY R115 E B
R118
IN
R516
16
6 C124
C154
R916 R120
C125
VIDEO4
R119
PLAY
1
W194
IN
Q15 Q30
C126
C129 B E
E B
R101 R132 R183
R143
R125
R131 R136
MONITOR Q16
B E
OUT Q31
E B
R135
R102
C143
7
Refer to the schematic diagram for the value of resistors and capacitors.
AG AH
C831
Q85
W154
R828
W153
B
E
D87
CN29
9 1
W90
W256 K1
R221
W91
W146
W92
C208
E B E B
W93 W115
Q6 Q5
W94
W95
W55
CN24
W96
W151
W56
15 1 18
W97
W57
W292
W100
W49 R-ch
W102 W119 W130 L-ch W143
W50 W103
W120 W144
W51
B E B E
E B W116 W137
W52
R209
E B C401
W53 E
B
C352
R203
Q401 Q352
C402 R402 C354 R354
C403 C356
R217 C355
E B R403 E B C358
R415 R380
Q402 Q354
E B R405 R360
C404 R356
R404 R358
W303
R407 R364
C554 C553
C413 C376
C406 C407 C362 C364
Q403 Q356
1 4
20 CN28
R413 R376
E E
W47 B B
C410 R409 C370 R368
W48 D41 D36
R408 C411 R366 C372
C209 Q404
Q358
R412 R374
B B
E E
W124 W149
C408
C366
R201 C201
1 E B
E B
C368 R378
Lch
W68
R414 Q405 Q360
W69 +17V
IC21
D42 D38
W70 GND
R372
R411
-17V
W71
R410 R370
14
W72 Rch
R202 C202
C409
W138
W73 W139
C210
W74 W114
W75
IC83
W42
C813
13 1
O G I
C815
W41
E2 WH5
W286
C817 CN25
1
13
13 1
W213 CN11
W289
W214
W255
R522
W6
R521 R520
W215
18
10 W299
W216
R152
IC53
W200 W217
W218 W300
9
C SELECTOR
W219 1 W117
9
C130
IC12 W220
E18
WH4
11 1
W221 GND
Q901
8
W206
W222 +5V
R151 W207 1 B E
W243
+5V E B
C141
Q902 W271 R924 R925
W223
R147
C908
C142
W224
E B
8 IC91 1
W225
R144
W198
R904 R903 C906
W226
R148 9
C905
C901
W227
7 10
IC11 W228
R122 C150 W229
1 C909
8
C503 W230
R519
W231
W232
16
9
Q51
W233
R512
C504 V-B SELECTOR
C148
E B W234
IC13
R130 1
W199
W235
W236
9
V-A
R162
8
SELECTOR W237 1
C136
C146
IC51 C135
W238 15 W273
Q54
E B
C522
W239
8
Q53
W274
W241 E B
E B
Q17 W266
Q55
B E
W248 R510 W265
1 4
R509
W244
VIDEO
IC52 AMP.
W249
8 5
W245
W250
W298
AI AJ
AUDIO
B E
B E
Q86
R824
Q32 Q83
D89 E
B 5
R801
Q81
E B
D83
C828 R821
R462 C809
C811 R808
VIDEO AVR
D85
C807
W170
+17V
8
W171 W202
R809
W208
W203
A-CLASS
W168 W204
SL-ch
C-ch
SR-ch W205
W186
W165 W179
+B
W166 W180 W187
Q311 C457
B E B E B E
W160 W174 W184
D48
C351 C302 C301
E E B E B
B
D79
Q351 Q302 Q301
R353 R303
C353 C306 C304 R304 C303
C305
B E
Q454
E B R355 B C308 E B R305
R379 E R330 R491 R482
R329
Q304
Q353 Q303 R489
D5
R359 R310 R309 R495
C357 C307 R476 R457
R306
R357 R308 R307
B E
R363 R314 R313
C552 C551 Q458 Q464
C550
C375 C326 C325
C311
C361 C363 C312 C314 C313 E B B E B
Q355 Q306 Q305
Q463
R375 R326 E
E E R325 Q466
B B B
E B
B
C369 R367 C320 R318 C319 R317
D31 D77
D35 D32
R365 C371 R316 C322 R315 C321 E B
Q357 D4
Q308 Q307 W287
R373 R324 R323 Q459
W247
B B B B E D76
E E E
W169 W181
W193
Q470
C365 C316 C315
Q468
E E W312
E
B B E B
B B
C367 C318 R328 C317 D80
R377 R327
Q359 Q309 Q460
Q310 Q469
B E E B
D37 D34
Q455
B
R322 D33
R371
W182
R319 D46
R369 R320
W183
C456
W161 W176
W162 W177 A-CLASS AVR
CN51
29
9
1
C462 C463
X25 E/7 X25 C/7
ED1 E1
W196
9
W190
W89
R632 W276
R633
R634 R638 R639
1
C604
A1
1
+5V
W34
W2
PEAK LEVEL
WH7
R604
51
4
50
DOLBY DIGITAL
IC61
1
E16
R613
31
SP-A 30
W18
X1
GND D67
S6
R629 R608
R606
R609
R630 R615 W44
W31 GND
R631
SP-A C608
W9
C633
SP-B +5.6V W32 C607
C613
S7
C614
D68
R607
E B
W1 1
SP-B
CN33
11
AK AL
AVR
B E
Q84
W275
B
E
Q82 R806 W280
4 R825
C802
D86
R804
C808
C806
R802
1 C801
C810
D84
D999
R812 CN23
-17V W305
W157
1 9
W158
R468
R480
F3 1.6A 125V
9
CN88 CN87
D44
D49
R475 Q453
C822
E B
E B
Q457
1
E
R471
R496
D88
Q465 W261
R473
B
E C824
E
W281 W145
CN82 CN81
E B
C452
Q451
F2 1.0A 125V
R417
C451 Q452
E
E B
E D82
R499
E
B
R477 Q467
D47 W284
R498
C826
R472
G O I
IC84
C820
W304 P2
1
W251 C818
W301
W252
D39
W262
DSP
W263 AVR
15
1
E5 WH6
R652
R651 W178
W125
W83
W3 W113
W212
W60
63
D65
D63
D64
R637 DTS
80
81 R636
R635
C609
100
D61
1
S4
C606
W81 INPUT
L1 SEL.
C602 W84
W45
W85
C612
R623
W86
C611
W46
S3
S5
DISP.MODE
MUTE
13
R626
D69
E20
AM AN
X25 D/7
PLAY R523
IN
C515
REC C516
OUT
R524
PLAY
C517
IN
R525
1
C518
REC
R526
OUT
7
C519
1
R527
VIDEO3
PLAY
IN
VIDEO4
C149
PLAY
R172
IN
C501
MONITOR
15
OUT
R528
SECOND
C147
ROOM
R173
VIDEO
X25 F/7
9
1
R709
R710
P1
R628
R627
X25 G/7
12