Onkyo TXNR 5008 Service Manual

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TX-N R5008

Ref. No. 4219

ONKYO SERVICE MANUAL 2°

AV RECEIVER
MODEL TX-NR5008(B)/(S)

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Black and Silver models

B MDC 120V AC, 60Hz
B MMP, S MMP 220-240V AC, 50/60Hz
B MMR 220-240V AC, 50/60Hz

SAFETY-RELATED COMPONENT
WARNING! !

COMPONENTS IDENTIFIED BY MARK A ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.

ONKYO.

IMAGINATIVE SIGHT & SOUND

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SERVICE PROC EDURE-l

1. Replacing the fuses

EE 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.

EE' Ce symbole indique que le fusible utilise est e lent.

Pour une protection permanente, n'utiliser que des fusi bl es de meme
type. Ce demier est indique la qu le present symbol est apposre.

REF NO. PART NAME DESCRIPTION PART NO. REMARKS
F2001 FUSE 4A-UL/T-233 2523ZSGR !,
F2001 or FUSE 4A-T/UL~ST2 252257GR !,
F2004 FUSE 1.25A-UL/T-233 252318GR !,
F2004or FUSE 1.25A-T/ULvST2 252251GR !,
F2005 FUSE 1.25A~UL/T-233 252318GR !,
F2005 or FUSE 1.25A-T/ULvST2 252251GR !,
F6601 FUSE 20A-UL-250V 252304GR !
F6602 FUSE 20A-UL-250V 252304GR !
F6603 FUSE 20A-UL-250V 252304GR !
F6604 FUSE 20A-UL-250V 252304GR !
F9100 FUSE 12A-UL-ST6 25234OGR !,
F9100 FUSE 6.3A-SE7EAK 252079GR !,
F9100 or FUSE 6.3A-SE»TL250V 252279GR !,
F9301 FUSE 3.15A-UL/T-233 252323GR !,
F9301 or FUSE 3.15A-T/UL-ST2 252256GR !,
F9401 FUSE 3.15A-UL/T-233 252323GR !
F9401 or FUSE 3.15A-T/UL-ST2 252256GR !
F9402 FUSE 3.15A-UL/T-233 252323GR !
F9402 or FUSE 3.15A-T/UL-ST2 252256GR I

: 120V,Canadian model
: 230V ,CE(European) country model
: 220/230-240V ,C hinese model

2. Safety checkout
(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

M easure the leakage current to a known earth ground (water pipe or conduct etc.) by connecting a leakage current

TX-N R 5008

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 120V ac 60Hz wall socket and turn ON/STA N DBY 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. ON/STANDBY (Power On)

2. VC R/DVR + ON/STANDBY.

Clear

4» Stand-by

Preset memory and each mode stored in the memory. are
initialized and will return to thefactory settings.

ON/STANDBY VC R/DVR

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