SERVICE MANUAL
SERVICE SAFETY INSTRUCTIONS
FOR DVD UNIT
1. Never allow unqualified personnel to remove and service the DVD130
A
modules.
2. The unit will generate static. Extreme care should be taken when servicing the modules DVD130
A
modules.
3. Never touch the laser pickup head.
4. When this unit is connected to the mains, do not bring your eyes into the laser pickup head or try to look
into the disc tray of any of the opening. Looking into a laser may cause eyes damaged.
5. Ensure that leads of DVD130
A
are connected correctly.
6. When the unit is powered on, do not connect or disconnect the leads of DVD130
A
7. Before power on, ensure each operating voltage coincides with the marking on the PCB and make sure
no short circuit exits on PCB.
8. Do not use scratched, warped or repaired discs.
MAINTENANCE
1. Place the unit on a stable stand or base that is of adequate size and strength to prevent the is from
being accidentally tipped over, pushed off, or pulled off. Do not place the set near or over a radiator or
heat register, or where it is exposed to direct sunlight.
2. Do not install the unit set in a place exposed to rain, water, excessive dust, mechanical vibrations or
impacts.
3. Allow enough space (at least 10cm) between the unit and wall or enclosures for proper ventilation.
4. Slots and openings in the cabinet should never be blocked by clothes or other objects.
5. Please power off the unit set and disconnect it from the wall immediately if any abnormal phenomenon
occurs, such as bad smell, belching smoke, sparkling, abnormal sound, no picture/sound/raster. Hold
the plug firmly when disconnecting the power cord.
6. Unplug the unit set from the wall outlet before cleaning or polishing it. Use a dry soft cloth for cleaning
the exterior of the unit set or CRT screen. Do not use liquid cleaners or aerosol cleaners.
4
Summary of Contents for MTV-DV05
Page 54: ...SERVICE MANUAL 3 block Diagram Fig17 MT1336 Function Block Diagram 54...
Page 69: ...4 Horizontal Vertical Scan Circuit 4 1 No raster but with sound SERVICE MANUAL 69...
Page 70: ...4 2 No picture and no sound but with raster 5 Audio System No sound SERVICE MANUAL 70...
Page 77: ...Circuit Diagram for AT1314DV...
Page 78: ...N COMB PCB ASSEMBLY...
Page 79: ...DVD Power PCB...
Page 80: ...BTSC PCB...