Section 1 Servicing Notes - Sony SA-NA9ES Service Manual

SA-NA9ES
SAFETY-RELATED COMPONENT WARNING!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC-
TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE
PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON-
NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
2
WITH SONY PARTS
SECTION 1
SERVICING NOTES
ABOUT HANDLING OF A LOUDSPEAKER UNIT
Do not put the corn side of a loudspeaker unit on a fl oor etc.
When placing a corn side, put on a fl oor etc. after making into a
stand the parts supplied to a new loudspeaker unit.
(Refer to the following fi g.)
NOTE THE SPEAKER UNITS REPLACING
When exchanging Loudspeaker (25 cm) (Woofer), in order to
guarantee performance, please be sure to exchange front side and
rear side simultaneously.
– Front side view –
Woofer (SP1)
Be sure to exchange simultaneously.
ABOUT REPAIRING THE BOARD
The mounted parts of this unit that have each board cannot ex-
change with single.
When each boards are defective, exchange the complete mounted
board.
ELECTRICAL DISCHARGE PROCESSING
The electrical discharge is necessary for the electric shock preven-
tion.
Neglect it 5 minutes or more after turning off this unit.
– Rear side view –
Woofer (SP2)