Yamaha DVD-S2300MK2 Service Manual page 51

A B C
DVD-S2300MK2
SCHEMATIC DIAGRAM (MAIN 3/3)
1
Q Q
3
Page 51
D10
to MAIN (1)
2
IR REMOTE
3
3.3
3.3
0
3.3
0
3.3
Page 48
3.3
J10
0
to SACD
4
0
3.3
3.3
3.3
3.3
3.3
5
PRGR LED DRIVER
Page 53
E10
to RS-232C
T E
L 1 3
6
7
MAIN (2)
8
IC701: M66003-0101FP
FL Display Driver
9
CS 2
SCK 3
SDATA 4
w w w
XIN
7
XOUT 6
10
RESET 1
Vcc1 8
Vcc2 18
Vss
5
Vp
64
# 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.
52
D E F
7 1 5
6 3
5.6
3.6
0
3.0
0
STANDBY
LED DRIVER
0.1
VOFF LED DRIVER
0.7
5.0
0
9 4 2 2 9 6 5 1 3
5.0
DVD LED DRIVER
0
0
SACD LED DRIVER
PANEL KEY
Display code
CGROM
RAM
44 SEG00
(35 bit x 166)
(8-bit x 60)
Segment 19 SEG25
Code
output
write SEG26
17
circuit
CGROM
Serial dot data 9 SEG34
(35 bit x 16)
data
receive write
Code/
circuit
command
45 SEG35
control
circuit
DIG11/
52 IC750: µPC4570HA
SEG42
DIG12/ Dual OP-Amp
51
SEG41
code Segment DIG13/
select 50
digit SEG40
select/ DIG14/
49
Clock output SEG39
timing Display
generator circuit DIG15/
clock controller scan pulse
x 48 a o
SEG38 1
DIG16/
- +
47
SEG37
. i DIG17/
1 2 3 4
46
SEG36
Vcc Vo -Vm +Vm
1 1 1
DIG00
63
Digit
output
circuit
53 DIG10
G http://www.xiaoyu163.com H
1 5
0
3.3
3.3
3.3
3.3
-22.3
0
~
1.6
1.6 FL DRIVER ~
3.3 ~
~ -22.3
~
~
~ -24.3
~
-24.3 -24.3
~ ~
~ ~
~ ~
Q Q
3
Page 51
A6
to MAIN (1)
u 1 6 3
2
y
+ -
5 6 7 8 9
V +Vm -Vm Vo Vcc
EE 2 2 2
MAIN (3)
http://www.xiaoyu163.com
I J K
2 4
8 9
-18.7
-18.7
~
~
~
~
~
~
~
~
~
~
~
~
~
~
7 6 3 1 5 1 5 0 8
~
~
~
~
-24.3
~
~
~
-0.7
-18.7
-18.7
10.9 10.9
LEVEL
9.7
0 4
1
2
0 3
0
HEADPHONE AMP
7
0 8
6 0
0 5
-10.4
-11.2
-10.6
m
c o
.
L M N
2
9 8 9 9
-18.7
-18.7
~
~
~
-24.3
~
-24.3
~
-24.3
~
~
~
~
~
~
FL DISPLAY
9 2 4 9 8 2 9 9
~
-22.5
~
-22.5
-22.5
-22.4
~
~
~
~
~
~
-0.8
-18.7
-18.7
PHONES