(1) No response of Display Boot signal.
TROUBLESHOOTING(MPEG)
1. BOOTING ERROR
53
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
A
Power on?
Is Reset IC working?
Modify Power status.
Check Reset Circuit.
Check 27Mhz Crystal and
other peripheral circuit.
Oscillating 27Mhz clock?
Flash Cs output status?
Check CPU power.
(STi5518 Pin27-High)
Check ROM Booting Mode.
Check Wait Signal.
(STi5518 Pin131-Low)
Eliminate the problems.
Replacing STI5518.
BUS Interface port Check short/open
satus.(Resistor, Flash ROM, SDRAM,
Bufffer)
Check all BUS and control signal.
Check MEMCLK
(SDRAM PIN38-121MHz)
Persecute Short or Open
Flash ROM Check-Power OK?
Programmed?
Eliminate problems related with power.
Programming
Replacing Flash ROM
Replacing Sti5518
Start
Summary of Contents for DSI-9100
Page 5: ...4 SCHEMATIC DIAGRAM ...
Page 6: ...5 SCHEMATIC DIAGRAM ...
Page 7: ...6 SCHEMATIC DIAGRAM ...
Page 8: ...7 SCHEMATIC DIAGRAM ...
Page 9: ...8 SCHEMATIC DIAGRAM MPEG STI5518 ...
Page 10: ...9 SCHEMATIC DIAGRAM MPEG CIMAX ...
Page 11: ...10 SCHEMATIC DIAGRAM MPEG MEMORY 27M ...
Page 12: ...11 SCHEMATIC DIAGRAM MPEG VIDEO ...
Page 13: ...12 SCHEMATIC DIAGRAM MPEG AUDIO ...
Page 14: ...13 SCHEMATIC DIAGRAM MPEG POWER RS 232 VCR CON ...
Page 15: ...1 Block Diagram 14 CIRCUIT INFORMATION MPEG ...
Page 24: ...23 CIRCUIT INFORMATION MPEG EMI Interface Timing ...
Page 59: ...58 PCB CIRCUIT BOARD 1 MAIN PCB Circuit Board ...
Page 60: ...59 PCB CIRCUIT BOARD 2 MPEG PCB Circuit Board ...
Page 61: ...60 INSTRUMENT DISASSEMBLY 1 PACKING ASS Y ...
Page 62: ...61 INSTRUMENT DISASSEMBLY 2 FRONT PANEL ASSEMBLY 1 7H32D ...
Page 63: ...62 INSTRUMENT DISASSEMBLY 2 4J32D ...
Page 64: ...63 INSTRUMENT DISASSEMBLY 3 SET TOTAL DISASSEMBLY ...
Page 76: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp ...