Denon DN-X300 Service Manual page 32

SCHEMATIC DIAGRAMS (1/3)
1 2 3
CN01
1L
1
2
1R
3
1G
4
2L
5
6
2R
7
2G
8
9 MAL
10 MAG
11 MAR
12
13 15V
14
PGND
15
R127
15P 8.2K
P CHASSIS C125 C129
C131 IC105A
CN02 3
HPG 1
1 .0082 .0018 .0018 2060
2
R125
2 -15V
-15V
4.3K
3
R129
4 /RST
43K
5 MUTE
6
DGND
7
C151
8 5V
.0047
9 R141
10 AIL 4.3K R143 R145
10
IC105C
11 AIR
8
18K 18K 2060
12
C147 9
13 AOG
.0082
14 AOL
15 AOR
C153
820P
15P
IC107A
3 C139
1 .056
15218 R133
2
6.2K
R135 R137
BAL. 12 IC105D
VR101B C119 R121 14
27K 27K 2060
20KMN VR102A
1/50 12K C135 13
20KA C121
1L 0.1
100P
5 2
R123
R131
C141
100K 3.9K
.01
1G
15V R128
R124 8.2K
2 5 C128
100K
C120 0.1
15V
IC107B
1R 5 C126 C130
C132
IC106A
VR101A VR102B 7 3
C118 15218
6 1
20KMN 20KA 1/50
.0082 .0018 .0018 2060
2
R126
0.1
4.3K
-15V
R130
R132 R122
43K
3.9K 12K
C122 C152
.0047
100P
R142
4.3K R144 R146
10 IC106C
8
18K 18K 2060
C148 9
.0082
C154
820P
C140
.056
R134
6.2K R136 R138
12 IC106D
14
27K 27K 2060
C136
13
0.1
C142
.01
R227
8.2K
C225 C229
C231 IC205D
12
14
.0082 .0018 2060
.0018 13
R225
R229 -15V
4.3K
43K
C251
.0047
R241
4.3K R243 R245
5 IC205B
7
18K 18K
2060
6
C247
.0082 C253
820P
IC207B
5
7 C239
15218
6
.056
R233
CH2 GAIN 6.2K
BAL. R235 R237 IC205A
R221 3
VR202A
VR201B
12K 1
27K 27K 2060
20KMN 20KA C221
2L 2
100P
C219 R223
5 2
100K R231 C235
C241
3.9K 0.1
.01
2G 1/50
15V R228
C220 R224
8.2K
2 5 100K C228
0.1
15V
IC207A
2R 1/50 3 C226 C230
C232
1 12 IC206D
VR201A VR202B
15218
2 14
20KMN 20KA
C218 .0082 .0018 .0018 2060
13
CH2 GAIN R226
0.1
4.3K
-15V R230
R232
R222
43K
12K
3.9K C222
C252
100P
.0047
R242
4.3K R244 R246
5 IC206B
7
18K
18K 2060
C248 6
.0082
C254
820P
C240
.056
R234
6.2K R236 R238 IC206A
3
1
27K 27K 2060
C236
2
0.1
C242
.01
4 5
MIXER PCB
R161
R162
R163 4.3K 4.3K
4.3K Q105
D103 D101 R140
D102 C1740
R197 LOW HI 15K
15V SW104A SW103A
MID
10K SW105A
4 1 4 1 MID 4 1 HI
LOW
5 C2 2 C1 5 C2 2 C1 5 C2 2 C1 C539
100/16
R198
15V -15V 6 3 6 3 6 3
10K
SW105B
C127 C189 SW104B SW103B -15V
LOW
0.1 10/25 MID HI
R164
4.7K
C190
10/25
C165
4.7/50
R151
12K
R155
VR103A
C159 C161 C163 1K
IC105B
5 HI 20KB
7
R167
0.1 .022 .022 2060
6 2
C167 6.2K C173
15V
R149 0.1
R153 4.7/50
6.2K -15V
62K MID
5 IC108B
R157 R169
2 7
1K
VR104A 15218
6
20KB 6.2K
R147
10K R173
24K
LOW
C169 R165
R175
10/25
R159 Q103 15K R171 C171
2
1K
33P 15K
C2878 10K
VR105A
20KB
R156
C166
1K
4.7/50 R168
5
VR103B
-15V IC108A
20KB 6.2K
3
1
R158 15218
2
1K
R174
R176
R152
R170
VR104B 5
12K
24K 15K
C160 C162 20KB
C164 IC106B C168 6.2K
5 C172
4.7/50
7
33P
0.1 .022 .022 2060
6
R166
R150 R154 15K R172
VR105B 5
6.2K
62K
20KB
10K
C170 R160
R148
10/25 10K
1K
Q104
C2878
Q205
R263 4.3K R262 4.3K R261 4.3K
C1740
D201
R297 D203
15V SW204B SW203B HI SW203A
D202 SW204A
10K LOW SW205A
4 1 MID 4 1 4 1 HI
MID MID HI
LOW
5 C2 2 C1 5 C2 2 C1 5 C2 2 C1
R298
15V -15V 6 3 6 3 6 3
10K
SW205B
C227 LOW -15V
C191
0.1 10/25
R264
4.7K
C192
10/25
C265
4.7/50
R251
12K
R255
VR203A
C261 1K
C259 C263 IC205C
10 HI 20KB
8
R267
0.1 .022 .022 2060
9 2
C267
4.7/50
6.2K
R249
R253
6.2K R257
62K VR204A
MID
1K
R269
2
20KB
6.2K
C273
15V
0.1
R247
-15V
10K
IC208A
3
R259 R265
C269 LO
1
15218
2
10/25
1K 15K R271
2
Q203
C2878 10K
R273
24K
VR205A
20KB
C271
R275
C266 R256 33P
1K 15K
R268
4.7/50 VR203B 5
20KB
6.2K
C536
-15V
NC
R258
1K
IC208B
R252
5
12K
VR204B R270
C268 5 7
C260 C262
C264 IC206C 15218
10 4.7/50 20KB 6
6.2K
8
R274
0.1 .022 .022 2060 R276
9
24K 15K
R266
R250
R254 C272
6.2K 15K R272
62K 5
VR205B 33P
20KB
10K
C270 R260
R248
10K
10/25 1K Q204
C2878
6 7
OFF
SW502C
5
C3
PGM2
6
SPLIT
ON
FFC01
CUE1R
11
CUE2R
10
CUE1+2R
9
CUERETR
8
PGND
7
TO CPU PCB CUERETL
6
CUE1+2L
5
CUE2L
4
CUE1L
3
PFL2
2
PFL1
1
11P
C174
15V 0.1
-15V
SW106A
5 IC109B 1 3
D104
7 C1 C2
15218
R191
6 2 4
EQ1
6.2K
C179 EQ1
-15V
10/25
R177
15K 5 SW106B 7
C177 C3 C4
6 8
CU1L
EQ1
C175 10/25
47P
R181 R183
R179
47K 47K 47K
R180 R182 R184
47K 47K 47K
IC109A
3 C178
CU1R
1
15218 C180
2
10/25
10/25
R178
15K
C176
47P
FFC03
R240
FX2 SW
15K 1
2 JDET
D804 R818
3 CU2R
5V
560
4 CU2L
C540
5 /RST
100/16 CH REV
6
CH REV.
7 D5V
8 5V
SW809
9
CH REV.
PGND D
10 -15V
11 15V
BPS2L
12
BPS1L
13
BPS2R
14
BPS1R
15
15P
5V
D805
FFC02 D806
FX1
FX2
FX1 SW
10
LED FX1 R817
9
DGND 560
8
R816
LED FX2
7
560
6 CU1R
5 CU1L
1 1
4 SENDL
C1 SW810 SW808 C1
3 SENDR
2 FX1 FX2 2
C274 2 RETL
15V 0.1
1 RETR
SW206A SW206B
-15V
EQ2 EQ2
10P
IC209A
3 1 3
D204
1 C1 C2
15218N R291
2 2 4
C279 EQ2 6.2K
-15V
10/25 SW206C
R277 SW206D
15K C277 5 7
C3 C4
6 8
C275 CU2L
10/25
EQ2
47P EQ2
R279 R281 R283
47K 47K 47K
R282
R280 R284
47K 47K 47K
IC209B CN03
5 C278 MSEND
C310
1
7 MRET
68P
15218N CU2R 2 R314
6
10/25 C280 3 SENDL
R278 12K
10/25 4 SENDR
5
5 RETL IC302B
15K 6 RETR 15218
R313 6
7 JDET
C276 MIC LEVEL
MIC 100K
8
47P
9 MAL
2 R324
VR301A
10 MAR
3.9K
20KA
10P
P & G FADER CN806 W802
A5V
1 1 1
AGND
2 2 2 TO CPU PCB
CF FADER
3 3 3
4 4
3P
CROSS FADER 4P
8 9 10
7 SW502D
C4
PGM2
8 8V 15V
R543
SPLIT
1K
C529
0.1 ZD501
8.2V
SW501A
C530 ZD502
CH2 4 CUE SEL 3 CH1+2 8.2V
0.1
CH1 5 2 RET
C525
R544 R537
-8V -15V
1K 100/25
100
6 1 CUE PAN
AUX
R521 R525
OFF C515 15V
0.1 3 IC506A
3.9K
15K
R545
IC505A 4556D
VR501A 2 3 2
AI1L 10K R538
20KB 1
15218N 100
2 CUE LEVEL
C513
R523 R527
C519
R531 VR502A C526
PGML
10/25 1K R533 100/25
15K 3.9K -15V 20KA
4.7/50 12K
R529 C523
P
22K 68P
R549 Q501 C521
R547 IC507 8V C517 2
C2878
4.7/50
10K 1 16 33P
1Y VCC 4.7K
2 15
OY YCOM HPG
R548 3 14
1Z XCOM R550 Q502
10K 4 13 5 IC505B 5
C522
ZCOM 1X C2878
5 12 7
SW501B 4.7K 4.7/50
OZ 0X 15218N
6 11 6 5 IC506B
CUE SEL
INH A
10 9 7 10
VEE B 4556D
8 9 6
GND C C520
R532 VR502B
11 8 -8V R530 R534
10/25 1K
C534 20KA 12K
TC4053 22K C524
12 7 C518 CUE LEVEL 68P
MUTE
NC R536
33P
R522 27K
SW502A SW502B
15K
AI1R R526
5 SPLIT SPLIT
VR501B
20KB 3.9K 1 3
C514 C1 C2
2 4
R541
R524 R528
4.7/50
PGMR 15K 3.9K D501 4.3K -15V
SPLIT
15V C417
0.1
3
IC407A
R443 1
AI1L
15218
100K 2
AIL
VR402A 2
20KA
R447
-15V
AUXIN
R445 10K
VR402B 5
12K C419
20KA
82P
IC407B
5
AIR
7
R444 15218 AI1R
100K 6
15V
R448
R446
10K C402
12K 0.1
AI1L IC404B
C415 15V C420 5
R415
0.1 82P 7
10K
R403 R407 15218
6
SENDL R195
IC402A C407
3
12K 12K R423 R427
1 82P R419
15218 10K 5.1K -15V 15K
2 R417
R413
VR401A 2 10K
C409
10K
5 IC403B 47P
50KB 10K R421
-15V
7
DRY/WET 390
R295 15218
R411 6 R327
R425
R405 R409
15K
RETL 27K 10K 12K
Q401
12K 12K
C405 C2878
C535 33P C537
15V
C416
NC R196
CHASSIS 5 IC402B C531 C538
10K NC
7 0.1 NC
NC
15218 IC403A
6 3
R404 R408
1 CHASSIS
SENDR R414 15218 R426
2 3
12K 12K
R412 1
10K 12K
Q402 15218 IC404A
27K 2
R296
VR401B C2878
R418 R428
5 -15V R422
C406 10K
390 15K
33P 10K
50KB R416 R420 R424
C410
10K
5.1K 47P
R406 R410 C408 10K
RETR R328
82P
12K 12K 15K
AI1R
15V
SW301A
TALKOVER
Q303
T.OVER
4 8
A124ES
ON
2 3 6
R321
6.8K
1 5
R323
OFF
C319 10K
R325 R326
10/35
1K 1K
R322
20K
-15V
C318
10/25
R716 R715 R714 R713 R712 R711 R710
220 220 220 220 220 220 220
R
C315
IC701
270P
VR302A
50KB LB1482M
R315 R316
+ 3 1
15V
3K
3K TRE.
C314 C316
C311 .0033 IC302A
22P
R319
7 3 L R706
C312
1
.027 4.7K 15218 5V
10/25 C313
2
.022 10
R705
C317 R717
R317 R318
3 1 68K
330
C706
+ 0.1 R704
12K VR303A 12K
BASS -15V 220/6.3
D701 C705
50KB
47K
POWER(BL) 0.015
C703
C704 R703
10/25 47K 10/25
D
SCHEMATIC DIAGRAMS (1/3)
MIXER UNIT
PHONE UNIT
DN-X300
11
A
15V
1
-15V
R539
33
R535
PHONES PCB
27K
C527
Q503
1500P
C2878 JK501
R551
W501 CN501 3 B
L
L L 2
1.2K 3 3 R
G 1
2 2 G
R R
R552 1 1
PHONES
3P 3P
1.2K
Q504
C528
CHASSIS
7 C2878 1500P
R540
33 C532
NC
CHASSIS
15V
C413
0.1 IC405B
5
7 C
15218
6
BOOTH R433
-15V
8.2K
VR403A R429
2 R431
100K
20KA 12K
AOL
AOG
VR403B
AOR
5 R430 R432
20KA
12K
100K
IC405A
3
1
15218
2
R434
8.2K
15V C414
PGML
0.1
IC406B
5
7
15218
C411 6
D
22/16 MASTER
-15V
R441
VR404A R437
2
R439 8.2K
20KA 100K
12K MAL
MAG
R440 MAR
P VR404B 5
12K
20KA
C412 R438
IC406A
100K 3
1
15218
22/16
2
PGMR R442
8.2K
E
SW301B
TALKOVER
7
-20dB
R709 R708 R707
220 220 220
F
C701 SW701
MA/PGM
2.2/50
3 1
R701
VR701 6.8K
3.3KB
PGM1
MASTER
PGM1/2
R702
PGM2
6.8K
3 1
VR702
C702
3.3KB
2.2/50
C533
G
NC
CHASSIS
H
32