Sony XM-GTX6040 Service Manual page 2

XM-GTX6040
Dimensions / Dimensions / Dimensiones
384 (15 / )
1
8
313 (12 / )
3
8
313 (12 3 / )
8
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.
2
Unit: mm (in)
55
Unité : mm (po)
(2 1 / )
4
Unidad: mm
ø 6 ( 1 / )
4
WITH SONY PARTS
PROTECTOR OPERATION CHECK
Thermal Protect
1. Short across TH901 with the power on.
2. Verify that the protector is operated and D918 illuminates
green. When input the signal and verify that there is no output
on the SP-OUT even when the volume is increased.
3. Verify that the protector is released and there is an output on
the SP-OUT when the short is removed.
4. Likewise, perform items 1 to 3 for TH902 and TH903.
Over Current Protect
1. Short between the positive and negative sides of the speaker
output terminals CN903 and CN904 (1/2) with the power on.
(Perform this shorting for each channel on FRONT and
REAR.)
2. Verify that the protector is operated and D918 illuminates red.
3. Verify that the protector is not released and D918 remains red
even when the short is removed.
4. Verify that the protector is released and D918 illuminates
green when the power is turned off and then on again.
Offset Protect
1. Short between the +12V terminal of CN904 (2/2) and the
(L+R) + or (L+R) – of the speaker output terminal CN904
(1/2).
(Short between +12V terminal and (L+R) + and between +12V
terminal and (L+R) –.)
2. Verify that the protector is operated and D918 illuminates red.
3. Verify that the protector is not released and D918 remains red
even when the short is removed.
4. Verify that the protector is released and D918 illuminates
green when the power is turned off and then on again.
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.