Sony DVP-S336 Service Manual page 15

MB-86 (SDRAM) SCHEMATIC DIAGRAM • See page 4-7 for printed wiring board.
– Ref. No.: MB-86 board; 1,000 series –
1
2 3
MB-86 BOARD (4/11)
A
B
C
D
1
2
E
1
3
MB-86 BOARD (3/11)
4
F (SEE PAGE 4-16)
5
6
7
8
9
G
10
11
H
I
J
4 5 6 7
IC504
16M SDRAM
B+
IC504 MT48LC1M16A1TG-7S
C532
0.01u
3.3
VCC
SDDT0
D1.9/C2.7
DQ0
SDDT1
D1.9/C2.7
DQ1
VSSQ
SDDT2 D1.5/C2.7
DQ2
SDDT3
D2/C2.7
DQ3
C533
3.3
0.01u
VCCQ
SDDT4 D2.3/C3
SDDT5 DQ4
D2.2/C3
DQ5
VSSQ
SDDT6
D2.1/C2.9
DQ6
SDDT7 2.3
DQ7
3.3
VCCQ
0.1
DQML
3
WE
D2.7/C3.1
CAS
D2.5/C3
RAS
3
SDAD11 CS
1.5
SDAD10 A11(BA)
0.1
SDAD0 A10/AP
0.1
SDAD1 A0
D0.7/C0.3
SDAD2 A1
1.2
SDAD3 A2
1.5
A3
3.3
VCC
B+
B+
IC505
16M SDRAM
IC505 MT48LC1M16A1TG-7S
C534
3.3
0.01u
VCC
SDDT0 D1.9/C2.7
FB508 DQ0
SDDT1 D1.9/C2.7
DQ1
VSSQ
SDDT2
D1.5/C2.7
DQ2
SDDT3 D2/C2.7
C535 DQ3
3.3
0.01u
VCCQ
SDDT4 D2.3/C3
DQ4
SDDT5 D2.2/C3
DQ5
VSSQ
SDDT6 D2.1/C2.9
DQ6
SDDT7 2.3
DQ7
3.3
VCCQ
0.1
DQML
3
WE
D2.7/C3.1
CAS
D2.5/C3
RAS
3
SDAD11 CS
1.5
SDAD10 A11(BA)
0.1
SDAD0 A10/AP
0.1
SDAD1 A0
D0.7/C0.3
SDAD2 A1
1.2
SDAD3 A2
1.5
A3
3.3
VCC
B+
05
4-17
8 9 10 11
B+
VSS
SDDT15
D2.4/C2.8
DQ15
D2.1/C2.5 SDDT14
DQ14
VSSQ
D2.1/C2.6 SDDT13
DQ13
SDDT12
D2.1/C2.6
DQ12
C536
3.3
VCCQ
0.01u
D2.1/C2.5 SDDT11
DQ11
D1.5/C2.6 SDDT10
DQ10
VSSQ
D2.1/C2.6 SDDT9
DQ9
D1.9/C2.6 SDDT8
DQ8
3.3
VCCQ
N.C.
0.1
DQMU
1.6
CLK
3.3
CKE
N.C.
SDAD9
0.1
A9
SDAD8
0.1
A8
SDAD7
1.8
A7
SDAD6
D2.3/C2.9
A6
SDAD5
1.7
A5
SDAD4
1.4
A4
VSS
FL508
B+ B+
VSS
D2.4/C2.8 SDDT15
DQ15
D2.1/C2.5 SDDT14
DQ14
VSSQ
SDDT13
D2.1/C2.6
DQ13
D2.1/C2.6 SDDT12
DQ12
C537
3.3
VCCQ 0.01u
D2.1/C2.5 SDDT11
DQ11
SDDT10
D1.5/C2.6
DQ10
VSSQ
D2.1/C2.6 SDDT9
DQ9
D1.9/C2.6 SDDT8
DQ8
3.3
VCCQ
N.C.
0.1
DQMU
1.6
CLK
3.3
CKE
N.C.
SDAD9
0.1
A9
SDAD8
0.1
A8
SDAD7
1.8
A7
SDAD6
D2.3/C2.9
A6
SDAD5
1.7
A5
SDAD4
1.4
A4
VSS
NO MARK:DVD/CD PLAY
D:DVD PLAY
C:CD PLAY
DVP-S336/S345/S360/S365/S560D/S570D/S745D
12 13
• Waveforms
1 IC502 yd
D_GND
MB-86 BOARD (3/11)
+3.3V
720 mVp-p (H)
2 IC502 yh
728 mVp-p (H)
3 IC502 yl
1.0 Vp-p (H)
4-18
4 IC502 uf
1.1 Vp-p (H)
5 IC502 uj
520 mVp-p (H)
6 IC502 i;
1.2 Vp-p (H)
SDRAM
MB-86 (4/11)