Onkyo HTRC 440 Service Manual

Page 1

HT-RC44O

Ref. No. 4395

ONKYO® SERVICE MANUAL "12

AV RECEIVER
MODEL HT-RC440(B)

RC-834M

Black model

B MDC 120V AC, 60Hz

SAFETY-RELATED COMPONENT
WA R N I N G ! !

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 SOUND &V|SION CORPORATION
Service Department

Page 2

SERVICE PROCEDURE-1

1. Replacing the fuses

EE 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.

EE 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 1e present symbol est apposre.

HT-RC44O

REF NO. PART NAME DESCRIPTION PART NO. REMARKS
F6401 FUSE 10A-UL/T-233 252330GR 1
F6401 or FUSE 10A-T/UL»ST2 252333GR 1
F6402 FUSE 10A-UL/T-233 252330GR 1
F6402 or FUSE 10A-T/UL»ST2 252333GR 1
F9002 FUSE 8A-UL/T-233 252329GR 1
F9002 or FUSE 8A-T/UL-ST2 252261GR 1
F201 FUSE 4A-SEUL-TL250V 252392T 1
F9001 FUSE 1A-SEUL-TL250V 252397T 1

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 (inpquutput 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 0.5mA.

3. To initialize the unit
1. 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.
Preset memory and each mode stored in the memory, are initialized and will return to the factory settings.

Clear

2. Remove power cord from wall outlet.

ON/STANDBY

CBL/SAT

a Stand-by

Page 57

R4452 CCARBON R 11N72K1175611'E 1 435035614111
R4453 CrCARBON R RN72K1175611'E 1 435035614R1
R4454 CrCARBON R 11N72K1175611'E 1 435035614R1
R4457 CCARBON R 11N72K1175611'E 1 435035614R1
R4458 CrCARBON R RN72K1175621'E 1 435035624R1
R4459 CrCARBON R 11N72K1175621'E 1 435035624111
R4522 CCARBON R 11N72K1171041'E 1 435031044111
R4527 CrCARBON R RN72K1171041'E 1 435031044R1
R4528 CrCARBON R 11N72K1171041'E 1 435031044R1
R4529 CCARBON R 11N72K1171041'E 1 43503le1
R6080 N'F CARBON R R2510.22 1 415472294T
R6081 NF CARBON R 112510.22 1 415472294T
R6082 NF CARBON R 112510.22 1 415472294T
R6083 NF CARBON R R2510.22 1 415472294T
R6084 NF CARBON R 112510.22 1 415472294T
R6090 NF CARBON R 112510.22 1 415472294T
R6091 N'F CARBON R R2510.22 1 415472294T
R6092 NF CARBON R 112510.22 1 415472294T
R6093 NF CARBON R 112510.22 1 415472294T
R6094 N'F CARBON R R2510.22 1 415472294T
R6100 METAL PR MP112W+2W 01122 1 4000234
R6100 or METAL P R 11F72EGPl1122 ( 1) 4000243
R6101 METAL PR MP112W+2W 0R22 1 4000234
R6101 or METAL P R RFVZEGPIR22 ( 1) 4000243
R6102 METAL PR MP112W+2W 01122 1 4000234
R6102 or METAL P R RFrZEGPIR22 ( 1) 4000243
R6103 METAL PR MP112W+2W 01122 1 4000234
R6103 or METAL P R 11F72EGPl1122 ( 1) 4000243
R6104 METAL PR MP112W+2W 0R22 1 4000234
R6104 or METAL P R RFVZEGPIR22 ( 1) 4000243
R6140 CCARBON R 11N72K1175631'E 1 435035634111
R6141 CrCARBON R RN72K1175631'E 1 435035634R1
R6142 CrCARBON R 11N72K1175631'E 1 435035634R1
R6143 CCARBON R 11N72K1175631'E 1 435035634R1
R6144 CrCARBON R RN72K1175631'E 1 435035634R1
R6150 CrCARBON R 11N72K1171031'E 1 435031034111
R6151 CCARBON R 11N72K1171031'E 1 435031034111
R6152 CrCARBON R RN72K1171031'E 1 435031034R1
R6153 CrCARBON R 11N72K1171031'E 1 435031034R1

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