Yamaha DVD-S2300, Руководство по обслуживанию

Страница: 58 / 106

A
1
2
3
4
5
6
7
8
9
10
B C D E F G H I J K L M N
DVD-S2300
SCHEMATIC DIAGRAM (MAIN 1/3)
58
H All v oltage are measured with a 10MΩ /V DC electric volt meter.
H Components ha ving special characteristics are marked s and must be replaced
with par ts having specifications equal to those originally installed.
H Schematic diag ram is subject to change without notice.
Page 57
to AUDIO (1)
A3 Page 56
to SACD
I10
Page 66
(U, J models)
Page 73
(A, B, G models)
Page 65
(U, J models)
Page 72
(A, B, G models)
to MODULE
G3
to MODULE
I3
6dB 75ohm
6dB 75ohm
20k
6M
LPF
6dB 75ohm
IC502: BH7862FS
6 ch Video Driver
1 CTRAP
2
MUTE1
3 CIN
4 GND
5
YIN
6 VCC
7 GND
8 PYIN
9 GND
10
PYTRAP
11 VCC
12 PbIN
13
GND
14 PrIN
15 MUTE2
MUTE1
20k
MUTE2
16
PrTRAP
32 COUT
31
TEST TEST
30 MIXOUT
29 MIXFB
28
GND
27 YTRAP
26 GND
25 YOUT
24 YFB
23
GND
22 PYOUT
21 PYFB
20
GND
19 PbOUT
18 N.C.
17
PrOUT
1.5-6M
BPF
6M
LPF
20k
6M
LPF
12M
LPF
CLAMP
CLAMP
6dB 75ohm
6dB 75ohm
6dB 75ohm
IC504: TS7ST00F
2 Input NAND Gate
1
2
3
IN B
IN A
GND 4
5 VCC
OUT Y
IC505: TC7WU04F
Triple Inverter
1A
3Y
GND
VCC
1Y
1
2
3
4 5
2A 3A
2Y
6
7
8
IC506: TS7ST08F
2 Input AND Gate
1
2
3
IN B
IN A
GND 4
5 VCC
OUT Y
MAIN (1)
0
0 0
3.1
3.1 4
2
1
3
5
0
3.3
3.3
3.3
5.0 0
0 0
0
0
2.5
2.5
1 7
5.0
0
2.5 2.5 2.6
5.0
0 8
4
3 5
5.0
0
0
2.5
5
3
2
6
0
4
1.7
2
0
1
5.0
0
0
5.0
0
0
5.0
0
0
5
2.4
0
1.8
1.8
0
1.9
0
1.9
1.7
0
2.0
2.3
0
2.3
2.4
5.0
2.8
0
2.5
5.0
1.9
2.5
0
0
2.8
2.8
0
5.0
2.2
5
5.0
5.0
1.2
0.6
5.0
1.2
0.6
5.0
1.2
0.6
5.0
1.2
0.8
1
4
2
5
3