Schematic Diagram - Kenwood KRF-V7773D Service Manual

U V
PC BOARD(Component side view)
1
X11 C/4
CN101
2
L 1 15
C101
2 14
B E
W21
W22
R566 W23
R
R110
R103
R108
Q104
B E
W19
Room A
L
E B
C111
Pre out
B E
R104
W27
R123
3
R568 B E
R
R130
R128
Q114
E B
Q112
W20
R124
R143
B E
B E
R570
E B
R150
Q124 R144
R148
4 R163
Room B
B E
Pre out
B E
E B
Q132
R572 R164
R170
R168
Q134
CN102
1 4
5
6
7
Refer to the schematic diagram for the value of resistors and capacitors.
W X
X11-3870-10 A/4 (J70-1388-11)
13
6
1
1
13
4
W84
13
1 W80
1
1
W51 W71
W56 W72
20
W78
R416
W81
WH301
1
W31
W32
9
R401 W29
1 C401
W94
R402
1
C565
W90
W89
C402
W88
R414 R413
R352
C407 Q410
R356 R360
C346
B E
W74
R358
C354
R412
B E
R362
R411
W58
Q322
C405 B E
1 4
Q406
R408 C350
B E
IC307
R407 W55
C349
C406 B E W69 8
5
Q408 R361
W67
R410
B E C353
R357
R409 B E
W73
C404 B E
R359
R355
Q404
R406
B E
W114
R405
W95
W44
C403
B E
4
Q402 W121
R404
B E
C585
R403
Mute 1 W79
Driver
W65
4
R608
W83
1
C587 R341
W76
C333
CN312
R607
W82
2 14
R343
1 15 R335
C589
C590
W45
C583
C584
R612
W42 W86
R306 R308
C314
W63
R312
15
W70
14
R614
1 4
R613
W60
W66
C309
8 5
R311
W77
C313
2
R313
1 B E
W75 R305 R307
R309
Q301
Y Z
W104
W105
W106
X11
B/4
7
W116
18
W117
1
1
13
W85
W87
13
14
20
W123
W124
W125
D405 1
W126
C538
W405
W129
E.Vol W130
1 12
RSch
IC303 W131
W132
E.Vol
24 13
W133
LSch
C539
C536
R336 R340
R332
R338
E.Vol
Q312
C326
1 SWch 12
C334
R342
C330
1 4
IC302
C327 24 E.Vol
13
8 5
Cch
R333
C329 C339
R331
B E
R337
C537
R339
C325
C534
R302
7
6
C306
E.Vol
Rch
1 12
2
1
IC301
C310
24 13
E.Vol
Lch
C319
C535
21
AA AB
AUDIO
DVD/6CH INPUT
VIDEO4 VIDEO3
CENTER
PLAY PLAY PLAY
SUB
IN IN
SURROUND FRONT IN
WOOFER
C517 C518 C515 C516 C511 C512 C509 C510
C513 C507
J3 J2
W223 W251
R52
W232
R54
C54
C56
R56
RSch
5 8
W208
6ch INPUT
BUFF.
IC8
4 1 W209
LSch
C59
R53 R55
W217
C55
W183 C53
R57
W218
W185
W188
C64 C66 W221
R68
R64 R66 W236
C70
Cch
W237
5 8
W213
1
6ch INPUT
W238
IC9
BUFF.
W239
W164 4 1 W212
SWch
R63
W163 W240
C69
R65
W169 R537
R67
W241
C63 C65
W170
W171
W172 W230
W231
W244
W252
W253
W254
W255
W256
C72
W257
R3
W195
1 W258
LINE BUFF.
W259
1 4
W243
C9
W260
IC2
Lch
W190
W261
8 5
W262
Room A
C71
BUFF.
W180
W174
W192
16 30
W193
W234
W197
REC OUT
IC3
SELECTOR W198
W235
etc.
R70
W246
15 1
W184 W247
W248
W186
Room A BUFF.
W227
W228
W229
C74
1 4
Rch C2
Room B
W153
E.Vol
8 5
W154
C73
R372
LINE BUFF.
1 12
Rch
C374
4
W159 R382 R380
C370
1 4
IC304
1
W155
C366
24
Lch 13
8 5
W160 R381
C373
C365
C369
R371
R379
AC AD
VIDEO2 VIDEO1
REC
PLAY REC
OUT IN OUT
C505 C506 C503 C504
C501
J1
W273 W287
W272 W286
W288
W266
W290
W291
W401
16 30
IC1
W263 R540 15 1
R1 C523
16 30
IC5
15 1
W270
C533
W404
W407
W276
W277
W278
W279
CN3
R69
21
W284
20
W281
W282
REC BUFF.
2
1
5 8
W285
W292
4 1 W293
W294
W295
C30
C28
1 4
IC6
8 5
22