Sdram & Flash Rom - Sony DVP-FX850 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
4-4. SDRAM & FLASH ROM
• See page 5-3 for printed wiring board.
1 2
MAIN BOARD (3/5)
A
3 DQ[0..15]
3 MA[0..11]
3 BA[0..1]
3 DQM[0..1]
B
3 DCLK
3 DCKE
3 CAS#
3 RAS#
3 WE#
3 CS#
DRAM
3 PCE#
3 PRD#
3 PWR#
C
3 A[0..20]
3 AD[0..7]
FLASH
T E
L 1 3 9 4 2 2 9 6 5 1 3
3 SCL
3 SDA
IIC
D
U11 U11
MA0
23
A0
MA1
24
A1
MA2
25
A2
MA3
26
A3
MA4
29
A4
MA5
30
A5
MA6
31
A6
MA7
32
A7
MA8
E
33
A8
MA9
34
A9
MA10
22
A10/AP
MA11
35
A11
DBA0
20
BA0/A13
DBA1
21
BA1/A12
SDCLK
38
CLK
SDCKE
37
CKE
DCS#
19
CS
DRAS#
18
RAS
DCAS#
17
CAS
DWE#
16
WE
DQM0
15
DQML
DQM1
39
DQMH
F
w w w
36
NC
40
NC
54
VSS
41 .
VSS
28
VSS
05
ESMT M12L64164A ESMT M12L64164A
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3 4
SD33
DV33
DQ[0..15]
FB61 FB61
SD33
MA[0..11]
FB-100R-3A FB-100R-3A
BA[0..1]
DQM[0..1]
EC37 EC37
EC36 EC36
47uF/10V 47uF/10V
47uF/10V 47uF/10V
DCLK 5.0X5.4 5.0X5.4
5.0X5.4 5.0X5.4
DCKE
CAS#
RAS#
WE#
CS#
DCS#
DRAS#
DCAS#
PCE#
DWE#
PRD#
PWR#
A20
A[0..20]
DBA0 R119 R119
AD[0..7]
DBA1 R120 R120
SDCKE R122 R122
SCL
SDA
SDCLK R124 R124
C174 C174
15pF 15pF
RN5 33R 0402 RN5 33R 0402
RN6 33R 0402 RN6 33R 0402
RN7 33R 0402 RN7 33R 0402
RN8 33R 0402 RN8 33R 0402
DQ7
2 8 7
DQ0
DQ6
4 6 5
DQ1
DQ5
5 4 3
DQ2
DQ4
7 2 1
DQ3
DQ3
8 8 7
DQ4
DQ2
10 6 5
DQ5
DQ1
11 4 3
DQ6
DQ0
13 2 1
DQ7
DQ8
42 8 7
DQ8
DQ9
44 6 5
DQ9
DQ10
45 4 3
DQ10
DQ11
47 2 1
DQ11
DQ12
48 8 7
DQ12
DQ13
50 6 5
DQ13
DQ14
51 4 3
DQ14
DQ15
53 2 1
DQ15
FOR EMI SOLUTION
SD33
1
VCC
14
VCC
27
VCC
SD33
3
VCCQ
9
VCCQ
43
VCCQ
49
VCCQ
6
x a o
VSSQ
y
12
VSSQ
46
VSSQ
i 52
VSSQ
4-9
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8
5 6
C163 C163 C164 C164 C165 C165 C166 C166 C167 C167 C168 C168 C169 C169
100pF 100pF 1000pF 1000pF 100pF 100pF 1000pF 1000pF 100pF 100pF 1000pF 1000pF 100pF 100pF
RN1 RN1
CS#
8 7
RAS#
6 5
CAS#
4 3
WE#
2 1
33R 33R
AA20
33R 33R BA0
33R 33R BA1
Q Q
3 7 6 3 1
33R 33R DCKE
100R 100R DCLK
C175 C175 C282 C282 C283 C283
15pF/NC 15pF/NC 68pF 68pF 68pF 68pF
U12 U12
A1 29 AD0
25
A0 D0
A2 31 AD1
24
A1 D1
A3 33 AD2
23
A2 D2
A4 35 AD3
22
A3 D3
A5 38 AD4
21
A4 D4
A6 40 AD5
20
A5 D5
A7 42 AD6
19
A6 D6
A8 44 AD7
18
A7 D7
A9 30
8
A8 D8
A10 32
7
A9 D9
A11 34
6
A10 D10
A12 36
5
A11 D11
A13 39
4
A12 D12
A14 41
3
A13 D13
A15 43
2
A14 D14
A16 45 A0
1
A15 D15
DV33 A17
48
R129 R129
A16
A18 14
17
A17 WP/ACC
A19 NC NC
16
A18
47
AA20
9
A19 BYTE
R130 R130
10
A20
10K 10K 37
VCC
PCE#
26
CE
PRD# 27
28
OE GND1
PWR# 46
11
WE GND2
u 1 6 3
DV33
12
RESET
.
MX29LV160 MX29LV160
2 4
9 9 8
7 8
C170 C170 C171 C171 C172 C172
1000pF 1000pF 100pF 100pF 1000pF 1000pF
DV33 DV33
U10 U10
C173 C173
1 8
NC VCC
2 7
NC WP
0.1uF 0.1uF SCL
3 6
NC SCL
SDA
4 5
GND SDA
EEPROM 24C16 EEPROM 24C16
DV33
R121 R121 SCL
5 1 5 0 8 9 2 4
1K 1K
R123 R123 SDA
1K 1K
DV33
GND
RFGND VGND AGND MGND
C176 C176 m
0.1uF 0.1uF
c o
4-10
DVP-FX850
2
9 9
9
9 8 2 9 9
SDRAM & FLASH ROM
MAIN (3/5)