Yamaha DVD-C740 Service Manual page 49
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Also See for DVD-C740:
- Owner's manual (30 pages) ,
- Owner's manual (30 pages) ,
- Service manual (63 pages)
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Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAM (AV 3/3)
1
Regulated Supply
A
1103
I303
B
1
+3V3_Power
2
I305
3
4
+12V_Power
5
+12VSTBY
6
7
I307
+5VSTBY
C
8
9
I308
-12V_Power
10
T E
L
1 3 9 4 2 2 9 6 5 1 3
11
I309
-32V_Power
12
STDBY_CTRL
DGND
D
2320
E
100n
2317
100n
2318
100n
2319
100n
DGND
F
V
DC voltage measured in STOP mode
w w w
*
RESERVED PARTS
1
.
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2
3
4
7302
L7808
3122
I320
I321
I322
+12V_Power
IN
GND
1R
2310
DGND
10n
2311
DGND
10n
2312
DGND
10n
2313
DGND
10n
2314
DGND
10n
-12V_Power
2315
DGND
10n
A1
MUTE
A2
3301
KILL
A1
10K
3302
KILL_LR
A2
10K
x
a o
u 1 6 3
y
2
3
4
i
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8
5
6
I300
5300
+8VA
33u
7303
L7805
I323
I324
5301
I302
OUT
IN
OUT
GND
33u
3310
4K7
IRLML2502
7301
L7908
I327
1
3
-8V
IN
OUT
GND
I328
4302
-8VA
2
3309
I326
I325
4R7
Q
Q
3
7
6
3
1
+3V3_Power
3300
3V3
3K3
3V
7320
BC857B
I311
I313
5V
7321
BC857B
I315
33K
I318
2V4
7322
I314
BC847B
3303
-8V
-12V_Power
5
6
.
2
4
9
9
8
7
8
+5VD
47u
DGND
2300
+5V_DAC
47u
2301
+5VSTBY
+5V_Power
7323
5
1
5
0
8
9
2
4
+12VSTBY
I316
3304
3305
I317
470R
3K3
I319
m
c o
7
8
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
DVD-C740/DV-C6660
2
9
9
1103 B1
2300 A7
2301 A7
2302 A3
2303 A4
2305 C5
2306 C5
2307 E7
2308 F8
A
2310 B2
2311 B2
2312 B2
2313 C2
2314 C2
2315 C2
2316 A5
2317 E1
2318 E1
2319 F1
2320 E1
B
3122 A3
3300 D5
3301 D4
3302 E4
3303 E5
3304 E7
3305 E8
3306 E7
3307 E8
3308 F5
3309 C4
3310 B6
C
4300 F6
4301 F6
4302 C5
5300 A6
5301 A6
9
8
2
9
9
6300 E8
7301 C5
7302 A4
7303 A5
7320 D5
7321 E5
7322 E6
D
7323 B6
I300 A6
I302 A6
I303 B1
I305 B1
I307 C1
I308 C1
I309 C1
I311 E4
I312 E5
I313 E4
E
I314 E5
I315 E6
I316 E7
I317 E8
I318 E6
I319 F8
I320 A3
I321 A4
I322 A4
I323 A4
I324 A5
I325 C4
F
I326 C5
I327 C5
I328 C6
49
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