Sony TRINITRON RM-Y156 Service Manual Download

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KV-21ME43

WARNINGS

ARNINGS

ARNINGS AND CAUTIONS

AND CAUTIONS

CAUTION

SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.

WARNING!!

AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY  SERVICE  TO  AVOID  POSSIBLE  SHOCK  HAZARD,
BECAUSE  OF  LIVE  CHASSIS.  THE  CHASSIS  OF  THIS
RECEIVER  IS  DIRECTLY  CONNECTED  TO  THE  AC  POWER
LINE.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY SHADING AND MARK

THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS, AND IN THE
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE  COMPONENTS  WITH  SONY  PARTS  WHOSE  PART
NUMBERS  APPEAR  AS  SHOWN  IN  THIS  MANUAL
OR IN SUPPLEMENTS  PUBLISHED  BY  SONY.  CIRCUIT
ADJUSTMENTS THAT ARE CRITICAL FOR SAFE OPERATION
ARE  IDENTIFIED  IN  THIS  MANUAL.  FOLLOW  THESE
PROCEDURES  WHENEVER  CRITICAL  COMPONENTS  ARE
REPLACED OR IMPROPER OPERATION IS SUSPECTED.

ATTENTION

APRES AVOIR DECONNECTE LE CAP DE L'ANODE, COURT-CIRCUITER L'ANODE
DU TUBE CATHODIQUE ET CELUI DE L'ANODE DU CAP AU CHASSIS
METALLIQUE DE L'APPAREIL, OU AU COUCHE DE CARBONE PEINTE SUR LE
TUBE CATHODIQUE OU AU BLINDAGE DU TUBE CATHODIQUE.

ATTENTION

AFIN D'EVITER TOUT RESQUE D'ELECTROCUTION PROVENANT D'UN CHÁSSIS
SOUS TENSION, UN TRANSFORMATEUR D'ISOLEMENT DOIT ETRE UTILISÉ
LORS DE TOUT DÉPANNAGE. LE CHÁSSIS DE CE RÉCEPTEUR EST
DIRECTEMENT RACCORDÉ À L'ALIMENTATION SECTEUR.

ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!

LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET PAR UNE MARQUE

SUR

LES  SCHEMAS  DE  PRINCIPE,  LES  VUES  EXPLOSEES  ET  LES  LISTES  DE
PIECES SONT  D'UNEIMPORTANCE  CRITIQUE  POUR  LA  SECURITE  DU
FONCTIONNEMENT. NE LES REMPLACER QUE PAR DES COMPOSANTS SONY
DONT  LE  NUMERO  DE  PIECE  EST  INDIQUE  DANS  LE  PRESENT  MANUEL  OU
DANS  DES  SUPPLEMENTS  PUBLIES  PAR  SONY.  LES  REGLAGES  DE
CIRCUIT DONT  L'IMPORTANCE  EST  CRITIQUE  POUR  LA  SECURITE  DU
FONCTIONNEMENT SONT IDENTIFIES DANS LE PRESENT MANUEL. SUIVRE CES
PROCEDURES  LORS  DE  CHAQUE  REMPLACEMENT  DE  COMPOSANTS
CRITIQUES, OU LORSQU'UN MAUVAIS FONTIONNEMENT SUSPECTE.

SELF-DIAGNOSTIC FUNCTION

The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER LED will automatically begin to
flash. The number of times the LED flashes translates to a probable source of the problem. A definition of the STANDBY/TIMER LED
flash indicators is listed in the instruction manual for the user’s knowledge and reference. If an error symptom cannot be reproduced, the
Remote Commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these
problems occur.

Diagnostic T

Diagnostic Test Indicators

est Indicators

When an error occurs, the STANDBY/TIMER LED will flash a set number of times to indicate the possible cause of the problem. If
there is more than one error, the LED will identify the first of the problem areas.

Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a “0”.

Diagnostic Item

Description

No. of Times

STANDBY/TIMER

LED Flashes

Self-diagnostic Display/

Diagnostic Result

Probable Cause

Location

Detected Symptoms

Power does not turn on