Philips DVD625, Service Manual, Page: 19 / 43

Diagnostic Software, Trouble Shooting and Test Instructions
EN 19 DVD625 /0x1 5.
5.
Diagnostic Software, Trouble Shooting and Test Instructions
Diagnostic Software reserved. It will be prepared later
5.1
System working procedure for MediaTeK DVD-Player ( MT1366
Power on
Display LOGO
Does tray close?
close tray
Move to inside
Does SLED move to inside?
1. Judge if a disc has loaded
2. Jump to related subroutine acc. to the type
of disc
Do it receive a command
to open the tray?
1. Key scan or receive RC singnal
2. Run the other subroutine
N
No No
1. Stop play disc, then open tray completely
2. Display picture and information of opening
Does it receive the command to close
tray?
YES
No
No
No
1. Initialize related registers (servo, DSP, RISC)
2. Move code related with RISC to SDRAM
3. Reset RISC
Yes
YES
YES
No
CL 36532022_004.eps
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