Integra dtr 70 1 service manual

Page 1

DTR-70.1

Ref. No. 4172

Sep, 2009

Integ r a SERVICE MANUAL

AV RECEIVER
MODEL DTR-70.1 (B)

Inkesra

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Black model
B MDD 120V AC, 60Hz
B MMA 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.

RC-746M

Page 2

SERVICE PROCEDURE-1

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 symboll

EE Ce symbole indique que le fusible utilise est e lent

Pour une protection permanente, n'utiliser que des fusibles de meme
typel Ce demier est indique la qu le present symbol est apposre.

T NR3007

REF NO. PART NAME DESCRIPTION PART NO. REMARKS
F2001 FUSE 4A-UL/T»233 25232SGR !
F2001 or FUSE 4A-T/UL»ST2 252257GR l
F2004, 2005 FUSE 1,25A-UL/T-233 252318GR !
F2004, 2005 or FUSE 1,25A-T/UL-ST2 252251GR !
F6601, 6602, 6603, 6604 FUSE 20A-UL-250V 252304GR !
F9100 FUSE 6,3A-SE-EAK 252079GR !,
F9100 or FUSE 6,3A-SE-TL250V 252279GR !,
F9100 FUSE l2A-UL-ST6 25234OGR l,
F9301, 9401. 9402 FUSE 3.15A-UL/T-233 252323GR !
F9301, 9401. 9402 or FUSE 3115A-T/UL-ST2 252256GR !

: Canadian model
: European model
: Asian model

2. Safety check out
(U.SrAl model only)

After correcting the original service problem, perform the following safety check before releasing the unit to the customerl

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 601-12 wall socket and turn ON/STANDBY button on

Any current measured must not exceed 015mA1

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

11 Press and hold down VCR/DVR button, then press ON/STANDBY button when the unit is powered on.
2, After " Clear " is displayed, the preset memory and each mode stored in the memory, are initialized and

will return to the factory settings.