Denon SYS-76HT, Service Manual

Page: 20 / 26

20
SYS-76HT
1 2
3
4 5
6
7 8
A
B
C
D
E
DSW-76 Section
DSW-76 SCHEMATIC DIAGRAMS (1/2)
SIGNAL LINE
R209
150
R212
33k
C217
1u/16V /20%
R210
47k
R226
150k
C216
47p/50v/10%
C212
220p/10%
C228
0.1u/10%
C239
100u/16V
C202
10u/16V /20%
C240
4.7u/16V
D207
1N4148
DZ201
1N4733/3.3V
R231
1k
R228
22k
R240
2M EG
R242
100k
R241
4.7k
R216
6.8k
R247
18k
R253
1M EG
R251
51K
R255
2k
R243
100k
R256
1.2k
R264
3.3k
R262
30k
R265
39K
C229
47u/25V
C230
47u/25V
D218
1N4148
D219
1N4148
D214
1N4148
D212
1N4148
R260
15k R257
1.2k
R227
22k
R259
1k
C208
47u/16V
R244
10k 1%
R261
15k
D213
1N4148
2
3
1
41
1
U201A
TL074
R203
20k
C203
10u/16V /20%
C210
220p/10%
R211
18K
C211
220p/10%
C201
10u/16V /20%
C220
0.1u
R204
20K
9
10
8
11
4
U202D
TL074
6
5
7
11
4
U202B
TL074
13
12
14
4
11
U202C
TL074
2
3
1
4
11
U202A
TL074
R217
10k
R248
18k
R252
27K
C238
0.047u/5%
C235
0.1u/5%
R207
20K
R258
5.1K
C207
10u/16V /20%
C215 220p/10%
R245
100k
R208
20k
C233
0.1u/5%
C234
0.1u/5%
R235
135K/1%
R234
10.5K/1%
R205
20k
3 2 1
LED201
R2ED/ GR2EEN
R219
10k
R218
10k
R206
20k
C213
220p/10%
R202
150R
1
2
3
4
5
6
sw201
SW-4
C221
0.1U
C222
0.1U
-12.3V
D205
1N4148
D206
1N4148
C204
10u/16V /20%
C223
0.1u
6
5
7
11
4
U201B
TL074
+12.3V
13
12
14
4
11
U201C
TL074
9
10
8
11
4
U201D
TL074
1
2
3
4
5
6
7
P202
*
LI M IT
MU TE
-15V
AGND
+15V
PTC
OUT
PTC
+15V
MU TE
+15V
-15V
C205
10u/16V /20%
C224
0.1u
+15V
C225
0.1u
C206
10u/16V /20%
-15V
R220
10k
1
2
3
4
5
6
sw203
SW-4
R238
20k
9
10
8
11
4
U203D
TL074
2
3
1
4
11
U203A
TL074
13
12
14
4
11
U203C
TL074
R223
10k
R249
18k
R221
10k
R213
33k
R222
10k
D216
1N4148
D217
1N4148
C243
22u/25V /20%
R225
10k
R239
470k
R263
12meg
R224
10k R266
7.5K/1%
R268
750/1%
C244
0.01u/5%
R267 7.5k/1%
R269
750/1%
R246
100K
C245
0.01u/5%
C246
47u/25V /20%
1
2
3
4
5
6
sw202
SW-4
C237
0.022u/5%
R237
10k 1%
R215
10k
R236
7.5K
C236
1000p/50v/10%
LI M IT
-15V
+15V
OUT
C214
220P/10%
st hi
play low
6
5
7
11
4
U203B
TL074
C241
10u/16v/20%
C226
0.1u
C227
0.1u C242
10u/16v/20%
-15V
+15V
+12.3V
-12.3V
1
2
3
4
5
P201
*
C218
220u/25V
C219
220u/25V
D201
1N4001
D202
1N4001
D203
1N4001
D204
1N4001
Q207
C1815
Q208
C1815
Q206
C1815
C
3
B
1
E
2
Q212
A 1015
Q211
A 1015
Q213
A 1015
Q203
C1815
Q201
C1815
R232
1k
R233
1k
C231
10u/16v
C232
10u/16v
DZ202
12V
Q210
A 1015
DZ203
12V
STBY
STBY
V R201
20KB
1
2
3
R2CA 1 *
V R202
50KA
Q202
C1815
D208
1N4148
R229
10K
DZ204
2.2v
DZ205
2.2v
R230
22K
D220
1N4148
R254
1M EG
Q209
C1815
+12.3V
R201
1.5k
C209
220p/10%
R214
220K
DZ206
2.2v
TO P302
TO P101
D222
1N4001
D221
1N4001
+15V
-15V
-V st
D211
1N4001
D223
1N4001
C247
0.01u
JUM P
TO P104
C249
0.15u/5%
C248
47u
R270
20k
Q214
C1815
Q205
C1815
Q215
C1815
R271
1k
+0.1V
+13.3V
-13.3V
AMP UNIT