System Working Procedure For Mediatek Dvd-Player (Mt1379 + Mt1366 - Philips DVD625 Service Manual

Diagnostic Software, Trouble Shooting and Test Instructions
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 (MT1379 + MT1366

1. Initialize related registers (servo, DSP, RISC)
2. Move code related with RISC to SDRAM
3. Reset RISC
Yes
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
1. Key scan or receive RC singnal
2. Run the other subroutine
1. Stop play disc, then open tray completely
2. Display picture and information of opening
No
Does it receive the command to close
Power on
Display LOGO
Does tray close?
N
close tray
No
Move to inside
No
to open the tray?
No No No
tray?
CL 36532022_004.eps
YES
YES
YES
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DVD625 /0x1 5. EN 19