Service Procedure; Replacing The Fuses; Memory Backup - Integra DTR-5.9 Service Manual

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SERVICE PROCEDURE-1

1. Replacing the fuses

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
F901 FUSE
F901 or FUSE
F901 FUSE
F901 or FUSE
F910 FUSE
F910 or FUSE
F6901 FUSE
F6901 or FUSE
F6902 FUSE
F6902 or FUSE
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.
TE
L 13942296513
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 " C l ea r " is displayed, the preset memory and each mode stored in the memory, are initialized and
will return to the factory settings.
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DESCRIPTION
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
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8
PART NO. REMARKS
252330GR
!, <MDD>
252333GR !, <MDD>
252078GR !, <MPA>
252278GR !, <MPA>
252326GR !
252258GR
!
252301GR !
252301GR !
252301GR !
252301GR !
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DTR-5.9
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