Troubleshooting - Sanyo HV-DX4EV Service Manual

ADVANTAGES OF THIS PRODUCT
• Parental Lock function (DVD)
This function can prevent playback of software that may be unsuitable for children.
• Multi Audio function (DVD)
The audio soundtrack can be heard in up to 8 languages. In the case of SVCD or VCD, it depends on the disc.
(The number of audio languages depends on the software.)
• Multi Subtitle function (DVD)
The subtitle can be seem in up to 32 languages. In the case of SVCD or VCD, it depends on the disc.
(The number of subtitle languages depends on the software.)
• Multi Angle function (DVD)
This function allows you to choose the viewing angle of scenes which were shot from a number of different angles.
(The number of angles depends on the software.)
• Screen zoom function (DVD/VCD)
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TROUBLESHOOTING

1. POWER CIRCUIT

CAUTION
You must use insulated transformer during the first part test of POWER circuit.
No power
NO
POWER cord is ok?
YES
NO
Is 400V~200V voltage
obtained at C804 +?
YES
NO
Output voltage of 2 nd
parts is normal?
YES
Check
NO
rectifier diode of 2 nd parts ;
D821, D822, D823, D824,
D825, D826, D827
YES
NO
Switching
pulse of Q801 collector is
normal?
YES
OK
Exchange POWER CORD
Check F801.
Check IC501, IC701
nd
Exchange rectifier diode of 2
parts ; D821, D822, D823, D824,
D825, D826, D827.
Check Q801.
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