Sanyo HV-DX300A User Manual

5
TROUBLESHOOTING
1. POWER CIRCUIT
✓ CAUTION
You must use insulated transformer during the first part test of POWER circuit.
Check IC501, IC701
No power
POWER cord is ok?
Is 400V~200V voltage
obtained at C804 +?
Output voltage of 2
nd
parts is normal?
Check
rectifier diode of 2
nd
parts ;
D821, D822, D823, D824,
D825, D826, D827
Switching
pulse of Q801 collector is
normal?
OK
Exchange POWER CORD
Check F801.
Exchange rectifier diode of 2
nd
parts ; D821, D822, D823, D824,
D825, D826, D827.
Check Q801.
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO

Sanyo HV-DX300A Specifications

General

Brand	Sanyo
Model	HV-DX300A
Category	DVD VCR Combo
Language	English