Daewoo DM-K42 Service Manual
Page
30
3.2. Read Disc Trouble Service Flow Chart
Read disc problem in a DVD player is a very complicated issue that
may involve complex issues. This problem is not only relation to the
electronic circuit, but also very much relation to the operation
environment.
DVD loading unit is a very complicate part that contains big number of
ESD components, which require specific equipment, tools and
technique to repair; in general, service technician is not suggested to
disassemble the DVD loading unit. It is suggest proving the trouble
and replacing the complete DVD loading unit, instead of repairing the
DVD loading unit in local workshop.
It is suggested to prove the faulty of a DVD loading unit by
replacement by a good DVD loading unit.
Before checking the "NO Disc" Trouble, ensure excluding the
following possibilities:
The test disc is damage.
AC power supply voltage dropped below the minimum required
level.
DVD disc region code and color system is not matching to the
DVD player or system setting.
Moisture condensed inside the unit. (Power on the unit, without
disc loaded, for 1/2 to 2 hours).
Service Flow Chart
Read
DISC
Trouble
Check
DVD
LOADER
NG
Replace Connector
Connector Condition
OK
Replace DVD Loading Unit
NG
Check the MEPG ATAPI
Check the other Parts by
I/F
Interface
Circuit
Replacement
Method
Summary of Contents for DM-K 42
Page 7: ...Daewoo DM K42 Service Manual Page 6 Fig 2 2 DRC block diagram Fig 2 3 CSTP block diagram...
Page 8: ...Daewoo DM K42 Service Manual Page 7 Fig 2 4 Vaddis ZR36768 762 block diagram...
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Page 24: ...Daewoo DM K42 Service Manual Page 23 Fig 2 10 AUDIO VIDEO FILTER Fig 2 11 MEMORY...
Page 25: ...Daewoo DM K42 Service Manual Page 24 Fig 2 12 POWER AV PORT 2 3 3 MPEG Composite Fig 2 14...
Page 26: ...Daewoo DM K42 Service Manual Page 25 2 3 2 MPEG Assembly Drawing Fig 2 13...
Page 27: ...Daewoo DM K42 Service Manual Page 26 2 3 2 MPEG Assembly Drawing Fig 2 13...
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