DTR-5.9
SERVICE PROCEDURE-1
1. Replacing the fuses
2. Safety check out
(U.S.A. model only)
After correcting the original service problem, perform the following safety check before releasing the unit to the customer.
Leakage current Check
Measure the leakage current to a known earth ground (water pipe or conduct etc.) by connecting a leakage current
tester between the earth ground and exposed metal parts of the unit (input/output ground terminals, screw heads or metal overlays etc.).
Plug the power supply cord directly into a 120Vac 60Hz wall socket and turn ON/STANDBY button on.
Any current measured must not exceed 0.5mA.
3. Memory Backup
This model uses a EE-PROM IC in order to retain radio presets and other settings. So, memory contents will be
kept eternally with no care.
4. To initialize the unit
1. Press and hold down VCR/DVR button, then press On/Standby button when the unit is powered on.
2. After " Clear " is displayed, the preset memory and each mode stored in the memory, are initialized and
will return to the factory settings.
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse, For fuse rating, refer to
the marking adjacent to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
REF NO. PART NAME DESCRIPTION PART NO. REMARKS
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
F901
F901 or
F901
F901 or
F910
F910 or
F6901
F6901 or
F6902
F6902 or
10A-UL/T-233
10A-T/UL-ST2
5A-SE-EAK
5A-SE-TL250V
5A-UL/T-233
5A-T/UL-ST2
12A-TUL-250V
12A-TUL-250V
12A-TUL-250V
12A-TUL-250V
252330GR
252333GR
252078GR
252278GR
252326GR
252258GR
252301GR
252301GR
252301GR
252301GR
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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