Onkyo TX-NR828(B) - Service Procedure 1: Fuse Replacement and Initialization; 1. Replacing the Fuses; 2. Safety Check Out; 3. Unit Initialization

TX-NR828
SERVICE PROCEDURE-1
1.02/13325AE
1.07/13514AEA
1.01/13515AE8
MMPU
(Main Microprocessor)
DSP1st/ NET
Video Microprocessor
Version displayed
only for 3 seconds.
1.01/13515AE8
Version of MMPU displayed only for 3 seconds.
e.g.
- (TONE)
- (TONE)
- (TONE)
+(TONE)
+(TONE)
+(TONE)
1.00/12Z18AE
1.01/13322AEO
- (TONE)
- (TONE)
+(TONE)
+(TONE)
VSP
(Video signal processor )
OSD
(On screen display)
1. Replacing the fuses
2. Safety check out
This symbol located near the fuse indicates that the
fuse used is slow 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.
Press ON/STANDBY button while pressing down CBL/SAT button
when the unit is POWER ON, then the FL displays "CLEAR", and turn to STAND-BY. Remove power cord from power line.
(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. To initialize the unit
F6401, 6402
F6401, 6402 or
F9002
F9002 or
F9002
F9002 or
F9001
F201
15A-TUL-250V
15A-UL/T-314
12A-TUL-250V
12A-UL/T-314
6.3A-SE-EAK
6.3A-SE-TL250V
1A-SEUL-TL250V
4A-SEUL-TL250V
252303GR
252197GR
252301GR
252196GR
252079GR
252279GR
252397T
252392T
<MDC>
<MDC>
<MMA, MMB, MMP, MMR>
<MMA, MMB, MMP, MMR>
!
!
!
!
!
!
!
!
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
FUSE
REF NO. PART NAME DESCRIPTION PART NO. REMARKS
[NOTE]
<MDC> : 120V,Canadian model
<MMP> : 220-240V,CE(European) country model
<MMA> : 220-240V,Australian model
<MMB> : 220-240V,UK model
<MMR> : 220/230-240V,Chinese model
4. To check version of each Firmware
a. Push ON/STANDBY key while pushing down DISPLAY key to display MMPU(Main Microprocessor) version.
b. In display version, +(TONE) key and
- (TONE) key are pushed to display another F/W version.