Philips HTS5530/12/55/78/94 Service Manual page 48

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7-10
A
Main Board Circuit Diagram: SDRAM & FLASH
1
U14
U14
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
33
A8
MA9
34
2
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
36
NC
40
NC
54
VSS
41
VSS
28
VSS
SDRAM_64Mbit_M12L64164A-7T
SDRAM_64Mbit_M12L64164A-7T
DV33
3
R403
R403
1K
1K
DV33
U16
U16
1
NC
C220
C220
2
NC
0.1uF/25V
0.1uF/25V
3
NC
4
GND
EEPROM 24C64
EEPROM 24C64
4
A
B
32 Mb FLASH
DQ7
2
DQ0
4
DQ6
DQ1
DQ5
U15
U15
5
DQ2
7
DQ4
A1
25
29
DQ3
A0
D0
DQ3
A2
8
24
31
DQ4
A1
D1
10
DQ2
A3
23
33
DQ5
A2
D2
DQ1
A4
11
22
35
DQ6
A3
D3
13
DQ0
A5
21
38
DQ7
A4
D4
DQ8
A6
42
20
40
DQ8
A5
D5
44
DQ9
A7
19
42
DQ9
A6
D6
DQ10
A8
45
18
44
DQ10
A7
D7
DQ11
A9
47
8
30
DQ11
A8
D8
DQ12
A10
48
7
32
DQ12
A9
D9
50
DQ13
A11
6
34
DQ13
A10
D10
DQ14
A12
51
5
36
DQ14
A11
D11
53
DQ15
A13
4
39
DQ15
A12
D12
A14
3
41
A13
D13
A15
SD33
2
43
A14
D14
A16
1
1
45
VCC
A15
D15
A17
14
DV33
48
VCC
A16
A18
27
17
14
VCC
A17
WP/NC
A19
SD33
16
47
A18
VCCQ/BYTE
A20
3
9
VCCQ
NC/A19
A21
9
10
VCCQ
A20
43
37
VCCQ
VCC
R401
R401
PCE#
49
26
VCCQ
CE
10K
10K
PRD#
28
27
OE
GND1
DV33
PWR#
6
11
46
VSSQ
WE
GND2
12
13
VSSQ
VPP/NC
46
12
15
VSSQ
RESET
A19/RD/BY
52
VSSQ
TSOP 48 pin
R404
R404
1K
1K
SCL1
DV33
SDA1
R405
R405
DV33
4.7K
4.7K
8
VCC
7
EPROM_WP
WP
SCL1
6
SCL
5
SDA1
SDA
B
C
SD33
DV33
FB11
FB11
FB500/0.2A
FB500/0.2A
+
+
C214
C214
C215
C215
C216
C216
CE55
CE55
47uF/16V
47uF/16V
0.1uF/25V
0.1uF/25V
0.1uF
0.1uF
0.1uF/25V
0.1uF/25V
DCS#
CS#
DRAS#
RAS#
DWE#
WE#
AD0
AD1
DCAS#
CAS#
AD2
AD3
AD4
AD5
AD6
AD7
DBA0
BA0
DV33
A0
DBA1
BA1
SDCKE
DCKE
R398
R398
0
0
SDCLK
R402
R402
33
33
DCLK
C218
C218
0.1uF/25V
0.1uF/25V
C
7-10
D
E
C217
C217
0.1uF/25V
0.1uF/25V
DQ[0..15]
(2)
DQ[0..15]
MA[0..11]
(2)
MA[0..11]
(2)
BA[0..1]
BA[0..1]
DQM[0..1]
(2)
DQM[0..1]
(2)
DCLK
DCLK
(2)
DCKE
DCKE
(2)
CAS#
CAS#
RAS#
(2)
RAS#
(2)
WE#
WE#
CS#
(2)
CS#
DRAM
(2)
PCE#
PCE#
(2)
PRD#
PRD#
(2)
PWR#
PWR#
A[0..21]
(2)
A[0..21]
(2)
AD[0..7]
AD[0..7]
FLASH
(2)
SCL1
SCL1
(2)
SDA1
SDA1
IIC
D
E
1
2
3
4

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