Onkyo HTR 393 Service Manual

Page 1

HT-RC630

Ref. No. 4471-R3

ONKYO® SERVICE MANUAL 2°

AV RECEIVER
MODEL HT-RC630(B)

Black model

B MDC 120V AC, 60Hz
B MMR 220-240V AC, 50/60Hz
B MPP 230V AC, SOHZ

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 Corporation
Service Department

Page 2

DEBUG MODE-1

AUDIO DEBUG MODE-1/5

TX-SR333/ HT-R393/ HT-RC630

The operations of DSP and DIR etc are able to checked by the information displayed on FL in this debug mode.
This information will help to analysing digital audio no sound trouble,

To set in Debug mode

1. Press twice the ON/ STANDBY key while pressing the DISPLAY key.

e.g.

M1.03/14307ALN*

The version number of Microprocessor is displayed
only for 3 seconds

2 Press + (TONE) button while the version number of microprocessor is displayed.

e.g.

N1 02/14210ALA _ The version number of DSP is displayed

3. Press DISPLAY button while the version number of DSP is displayed.

e.g.

0A0002. :00

Step-1

4. Proceed to the next step by pressing the DISPLAY key.

ANA:o:NON:C:
4v

1:ANA 048k048k
4v

2/00: 2.0:3/4
4v

2:0:PCM :PCM
4v

00:X:F:OFF

4v

SPO0F*00F00409
4v

48 482568TB
4v

L :0000 0000

v;

S W :0000 0000

4v

Step-2

Step-3

Step-4

Step-5

Step-6

Step-7

Step-B

Exit

only for 3 seconds

AUDIO dubug mode
The status of DSP and DIR etc
will be displayed.