Philips DVD737, Руководство по обслуживанию

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MPEG BOARD
TABLE OF CONTENTS
M29W800DT Internal Block diagram ......................................... 7-1
MPEG Processor Circuit ............................................................ 7-2
Audio & Power Circuit ................................................................ 7-3
Video & Scart Circuit .................................................................. 7-4
Component & Chip Layout Mapping Information ....................... 7-5
Bottom View - Component Layout ............................................. 7-6
Top View - Component & Chip Layout ....................................... 7-7
Top View - Component & Chip Layout Part A ............................ 7-8
Top View - Component & Chip Layout Part B ............................ 7-9
Top View - Component & Chip Layout Part C ......................... 7-10
Top View - Component & Chip Layout Part D ......................... 7-11
Electrical parts list .................................................................... 7-12
7-1 7-1
M29W800DT Internal Block diagram
Logic Diagram
Signal Names
19
A0-A18
W
DQ0-DQ14
VCC
M29W800DT
M29W800DB
E
VSS
15
G
RP
DQ15A— 1
BYTE
RB
A0-A18 Address Inputs
DQ0-DQ7 Data Inputs/Outputs
DQ8-DQ14 Data Inputs/Outputs
DQ15A— 1 Data Input/Output or Address Input
E Chip Enable
G Output Enable
W Write Enable
RP Reset/Block Temporary Unprotect
RB
Ready/Busy Output
(not available on SO44 package)
BYTE Byte/Word Organization Select
V
CC
Supply Voltage
V
SS
Ground
NC Not Connected Internally
DQ3 DQ9 DQ2
A6
DQ0
W
A3
RB
DQ6
A8 A9
DQ13
A17 A10
DQ14
A2
DQ12 DQ10 DQ15A—
1
V
CC
DQ4 DQ5
A7
DQ7
NC NC
M29W800DT M29W800DB
12 1 13 24
25 36 37 48
DQ8
NC NC
A1
A18
A4 A5
DQ1 DQ11 G
A12 A13
A16
A11
BYTE
A15 A14
V
SS
E A0
RP
V
SS
Pins connection