Yamaha DVD-S2300MK2 Service Manual page 49

A B C
DVD-S2300MK2
SCHEMATIC DIAGRAM (MAIN 1/3)
1
Q Q
3
2
3
4
5
T E
L 1 3
6
7
8
9
w w w
10
# All voltages are measured with a 10MΩ/V DC electronic volt meter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
50
D E F
7 1 5
6 3
TTL AND
3.1
5
3.3 2
4
1
0 3.1
3.3
3
0
0
0
INVERTER
Page 60
G3
to DVD MODULE
9 4 2 2 9 6 5 1 3
0
0
Page 59
I3
to DVD MODULE
0
x a o
. i
MAIN (1)
G http://www.xiaoyu163.com H
Page 49 A3 Page 48 I10
1 to AUDIO (1) 5 to SACD
0
SHIFT REGISTER
INVERTER
TRANSFORMER
1 7 2.5
2.5
OPTICAL
TRANSMITTER
5.0
TTL NAND
5.0
5
1.7 2 8
4 3 5
0 1
2.5 2.5 2.5
4
3
INVERTER 0
0
2 6
0 0
Q Q
3
5.0
0
5.0
VIDEO LPF AMP
2.4
0
5.0 0
2.8 1.8
0 1.8
2.5 0
5.0 1.9
0 0
2.5 1.9
0 1.7
1.9
0
5.0 2.0 DRIVER
2.8 2.3
0
0
2.8 2.3
5.0
2.2 2.4
5.0
0
u 1 6 3
y
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I J K
2 4
8 9
IC502: BH7862FS
6 ch Video Driver
CTRAP 1
MUTE1 2 MUTE1
CIN 3
20k
GND 4
YIN 5
VCC
6
GND
7
PYIN 8
GND 9
PYTRAP 10
VCC 11
PbIN 12
20k
GND 13
PrIN 14
20k
PULSE
MUTE2 15 MUTE2
PrTRAP 16
IC504: TS7ST00F
0
2 Input NAND Gate
5.0
2.6 IN B 1
IN A 2
GND 3
IC612 : 74VHC595SJX
8-Bit Shift Register
13
G
12
ACK
14
SER
7 6 3 1 5 1 5 0 8
11
SCK
10
SECR
m
c o
.
L M N
2
9 8 9 9
6dB 75ohm 32 COUT
TEST 31 TEST
1.5-6M
6dB 75ohm 30 MIXOUT
BPF
29 MIXFB
6M
28 GND
LPF
YTRAP
27
CLAMP
GND
26
CLAMP
12M
6dB 75ohm 25 YOUT
LPF
24 YFB
23 GND
6dB 75ohm 22 PYOUT
6M
21 PYFB
LPF
20 GND
6M
6dB 75ohm 19 PbOUT
LPF
18 N.C.
6dB 75ohm 17 PrOUT
IC505: TC7WU04F
Triple Inverter
5 VCC 1A 1 8 VCC
3Y 2 7 1Y
4 OUT Y 2A 3 6 3A
GND 4 5 2Y
IC613: TC7S32F
2 Input OR Gate
IN B 1 5 VDD
IN A 2
15 QA
D G D G
VSS 3 4 OUT X
R
9 2 4 9 8 2 9 9
1
D G D G QB
R
2
QC
D G D G
R
3
D G D G QD
R
PARALLEL
DATA OUTPUTS
4
QE
D G D G
R
5
QF
D G D G
R
6
D G D G QG
R
7
D G D G QH
R
9 QM SERIAL DATA
OUTPUT