Onkyo TXSR 309 Mk2 Service Manual

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ONKYO® SERVICE MANUAL

MODEL TX-SR309(B)/(S)(Mark2)

AV RECEIVER

Norm Amsncan models ---> DIMMER
European models ---> RT/PTWIP"

~ ©

Note :

Black and Silver models

B MDC 120V AC, 60Hz

B MPP, S MPP 230V AC, SOHZ

"Mark 2" isjust an internal name.

End-users do not know whether their units are original or mark 2

You need to check which model you are repairing to use correct documents.
For further information, see Service Note.

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

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 0R 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

TX-SR309(M2)

Ref. No. 4347
112011