Onkyo TX-SR503, Руководство по обслуживанию

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SERVICE PROCEDURE
TX-SR503/503E/8350
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.
2. To initialize the unit
The AV receiver uses a battery-less memory backup system in order to retain radio presets and other settings
when it's unplugged or in the case of a power failure.
Although no batteries are required, the AV receiver must be plugged into an AC outlet in order to charge the
backup system. Once it has been charged, the AV receiver will retain the settings for several weeks,
although this depends on the environment and will be shorter in humid climates.
1. Press and the hold down the VIDEO 1/VCR button , then press the STANDBY/ON button when the unit is Power on.
2. After "
C l e a r
" is displayed, the preset memory and each mode stored in the memory, are initialized and will return to
the factory settings.
4. Memory Backup
<Note>
Main microprocessor Q701 only.
1. Press and the hold down the
DISPLAY button , then press the STANDBY/ON button when the unit is Power on.
Version is displayed on FL display only for 3 seconds.
2. Press the STANDBY/ON button to Power off.
3. To check version of microprocessor
V e r . 1 . 0 1 / 0 5 3 0 5 a
Ex.
REF NO.
F901
F901 or
F901
F901 or
F901 or
F902
F902 or
F902 or
F902
F902 or
F902 or
F903
F903 or
F903
F903 or
F903 or
F903
F903 or
F903 or
F6901
F6902
PART NAME
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
DESCRIPTION
8A-UL
8A-T/UL-ST2
4A-SE-EAK FUSE
4A-SE-TL250V
4A-SE-TL250V
4A-SE-EAK FUSE
4A-SE-TL250V
4A-SE-TL250V
4A-SE-EAK FUSE
4A-SE-TL250V
4A-SE-TL250V
5A-UL/T-237
5A-T/UL-ST2
2.5A-SE-EAK FUSE
2.5A-SE-TL250V
2.5A-SE-TL250V
2.5A-SE-EAK FUSE
2.5A-SE-TL250V
2.5A-SE-TL250V
10A-UL
10A-UL
PART NO.
252198
252261
252077
252243
252277
252077
252243
252277
252077
252243
252277
252164
252258
252075
252241
252275
252075
252241
252275
252199
252199
REMARKS
!, <DD, DC>
!, <DD, DC>
!, <WT>
!, <WT>
!, <WT>
!, <PA, WT, GR, GQ, GK>
!, <PA, WT, GR, GQ, GK>
!, <PA, WT, GR, GQ, GK>
!, <PP>, <8350>
!, <PP>, <8350>
!, <PP>, <8350>
!, <DD, DC>
!, <DD, DC>
!, <PA, WT, GR, GQ, GK>
!, <PA, WT, GR, GQ, GK>
!, <PA, WT, GR, GQ, GK>
!, <PP>, <8350>
!, <PP>, <8350>
!, <PP>, <8350>
!
!
<Notes>
<DD>
: TX-SR503 USA model only
<DC> : TX-SR503 Canadian model only
<PP> : TX-SR503E European model only
<PA> : TX-SR503 Australian model only
<WT> : TX-SR503 World wide model only
<GR>
: TX-SR503 Chinese model only
<GQ>
: TX-SR503 Hong kong model only
<GK>
: TX-SR503 Korean model only
<8350>
: TX-SR8350 Chinese model only