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SERVICE PROCEDURE-1
1. Replacing the fuses
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.
REF NO.
F6401, 6402
F6401, 6402 or
F9002
F9002 or
F9002
F9002 or
F9001
F201
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. To initialize the unit
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.
4. To check version of each Firmware
a. Push ON/STANDBY key while pushing down DISPLAY key to display MMPU(Main Microprocessor) version.
e.g.
1.01/ 135 15AE8
b. In display version, +(TONE) key and
-(TONE)
1 .01/ 13515 AE8
-(TONE)
1 .07/ 13514 AEA
-(TONE)
1 .02/ 13325 AE
-(TONE)
1 .01/ 13322 AEO
-(TONE)
1 .00/ 12Z 18AE
PART NAME
DESCRIPTION
FUSE
15A-TUL-250V
FUSE
15A-UL/T-314
FUSE
12A-TUL-250V
FUSE
12A-UL/T-314
FUSE
6.3A-SE-EAK
FUSE
6.3A-SE-TL250V
FUSE
1A-SEUL-TL250V
FUSE
4A-SEUL-TL250V
Version of MMPU displayed only for 3 seconds.
-
(TONE) key are pushed to display another F/W version.
+(TONE)
+(TONE)
+(TONE)
+(TONE)
+(TONE)
[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
PART NO.
REMARKS
252303GR
!
252197GR
!
252301GR
!
<MDC>
252196GR
!
<MDC>
252079GR
!
<MMA, MMB, MMP, MMR>
252279GR
!
<MMA, MMB, MMP, MMR>
252397T
!
252392T
!
MMPU
(Main Microprocessor)
DSP1st/ NET
Video Microprocessor
VSP
(Video signal processor )
OSD
(On screen display)
TX-NR828
Version displayed
only for 3 seconds.
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