Scaler Board: Video Decoder Sdram [S-A14] - Philips QCS1.0S Service Manual

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Circuit Diagrams and PWB Layouts
Scaler Board: Video Decoder SDRAM
5
SCALER BOARD:
S-A15
SDRDQ[15..0]
SDRA[11..0]
D
+3.3V_DDR
SDRDQ0
SDRDQ1
SDRDQ2
SDRDQ3
SDRDQ4
SDRDQ5
SDRDQ6
SDRDQ7
SDRWE
C
SDRCAS
SDRRAS
SDRCS
SDRA10
SDRA0
SDRA1
SDRA2
SDRA3
SDRA11
B
SDRABP
SDRCKE
SDRCLK
A
5
QCS1.0S LA
7.
4
VIDEO DECODER SDRAM
SDRDQ[15..0]
SDRA[11..0]
+3.3V_DDR
16MbitSDRAM
?
?
?
R
S
Ш
RS
?
RR
?
?
?R
ǐÉ
ƠR
ǘÉ
ưÉ
?R
?S
?É?É_‫ףּ‬
u
4
35
3
+3.3V_SW
SDRDQ15
SDRDQ14
SDRDQ13
SDRDQ12
SDRDQ11
SDRDQ10
SDRDQ9
SDRDQ8
SDRA9
SDRA8
SDRA7
SDRA6
SDRA5
SDRA4
3
2
1
+3.3V_DDR
+3.3V_SW
+3.3V_SW
2,4,9,10,11,15,16
2
1
S-A15
D
C
B
A
I_17540_032.eps
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