Yamaha DVD-S2500 Service Manual page 24

DVD-S2500
SCHEMATIC DIAGRAM
FOR INFORMATION ONLY (NO REPLACEMENT PARTS WILL BE AVAILABLE)
MONO BOARD (3/9)
1 2 3
ZIVA SDRAM
SD13V3
A
I300
B
C
D
E
F
1 2 3
24
4 5 6 7
SD23V3 3V3B
3302 I301 5301
10K
Φ
VDD VDDQ
23
MADDR(0)
0
24 DRAM 40
MADDR(1)
1 1
25 NC 36
MADDR(2) 2M X 16 X 4
2 2
MADDR(3) 26
3
MADDR(4) 29
4
30
MADDR(5) 0
5
31 A 2
MADDR(6) MDATA(0)
6 2M-1 0
32 4
MADDR(7) MDATA(1)
7 1
33 5
MADDR(8) MDATA(2)
8 2
34 7
MADDR(9) MDATA(3)
9 3
22 8
MADDR(10) MDATA(4)
10 7300 4
35 10
MADDR(11) MDATA(5)
11 MT48LC8M16A2TG-6A 5
11
MDATA(6)
6
13 MDATA(7)
D 7
42 MDATA(8)
8
BA0 20 44 MDATA(9)
0 9
BA1 21 BA 45
MDATA(10)
1 10
47
MDATA(11)
11
SD_CLK 38 48
MDATA(12)
CLK 12
37 50
MDATA(13)
CKE 13
19 51
MDATA(14)
CS 14
MRASn 18 53
MDATA(15)
RAS 15
MCASn 17
CAS
MWEn 16
WE
39 MDQM(1)
H
DQM 15
MDQM(0)
VSS VSSQ L
I302
GNDB
K4S281632D-TXC60T, 128M
SD23V3
GNDB
4 5 6 7
The first digit of a component indicates the component type.
1xxx : Connector 3xxx : Resistor
2xxx : Capacitor 4xxx : SMD jumper
8 9 10
3V3B
SD33V3
3V3B
3303 I303 5302
GNDB
10K
Φ
VDD VDDQ
23
MADDR(0)
0
24 DRAM 40
MADDR(1)
1 1
25 NC 36
MADDR(2) 2M X 16 X 4
2 2
MADDR(3) 26
3
MADDR(4) 29
4
30
MADDR(5) 0
5
31 A 2
MADDR(6) MDATA(16)
6 2M-1 0
32 4
MADDR(7) MDATA(17)
7 1
33 5
MADDR(8) MDATA(18)
8 2
34 7
MADDR(9) MDATA(19)
9 3
22 8
MADDR(10) MDATA(20)
10 7301 4
35 10
MADDR(11) MDATA(21)
11 MT48LC8M16A2TG-6A 5
11
MDATA(22)
6
13 MDATA(23)
D 7
42 MDATA(24)
8
BA0 20 44 MDATA(25)
0 9
BA1 21 BA 45
MDATA(26)
1 10
47
MDATA(27)
11
SD_CLK 38 48
MDATA(28)
CLK 12
37 50
MDATA(29)
CKE 13
19 51
MDATA(30)
CS 14
MRASn 18 53
MDATA(31)
RAS 15
MCASn 17
CAS
MWEn 16
WE
39 MDQM(3)
H
DQM 15
MDQM(2)
VSS VSSQ L
GNDB
ZIVA_SDRAM
SD33V3
GNDB
8 9 10
* 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.
5xxx : Coil 7xxx : IC, Transistor, FET
6xxx : Diode 9xxx : Wire jumper
A
2312 A10
2316 E5
2317 E6
2318 E6
2319 E6
2320 E6
2321 E6
2323 E8
2324 E9
2325 E9
2326 E9
2327 E9
B
2328 E9
3302 A5
3303 A8
5301 A7
5302 A10
7300 B6
7301 B9
I300 A3
I301 A6
I302 D6
I303 A9
C
I304 F2
D
E
F
* Z印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
パーツリストに記載されている部品を使用してください。
* 本回路図は、標準回路図です。改良のため予告なく変更することがございます。