Sony AZ1-L CHASSIS Service Manual - Page 12

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SELF DIAGNOSIS FUNCTIONS

SElf diagnoSiS funCtion

The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY 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 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 tESt indiCatorS

When an error occurs, the STANDBY 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.

Result for all of the following diagnostic items are displayed on screen.

If the screen displays a "0", no error has occurred .

Diagnostic Item

RGB_SEN

MAIN_POWER

DC_ALERT

DTT_WDT

AUD_PROT

BALANCER

TCON ERR

HFR ERROR

P_ID_ERR

BACKLITE

TEMP_ERR

FAN_ERR

KDL-32EX707/40EX707/46EX707/52EX707

Diagnostic Item

Number of times Standby

Description

lED blinks

RGB Sensor ACK Error

Main Power Error

DC Alert

DTT Error

Audio Error Detection

Panel Balancer Error

TCON Error

HFR Error

Panel ID NVM Error

Backlight Error

Temperature Error

Fan Error

(Not used in these models)

Possible location

GE3A (Power) Board (KDL-32EX707/40EX707 Only)

GE2B (Power) Board (KDL-46EX707/52EX707 Only)

GE3A (Power) Board (KDL-32EX707/40EX707 Only)

GE2B (Power) Board (KDL-46EX707/52EX707 Only)

BAL Board

TCON Control MT Board

BAL Board

LCD Panel

Self Diagnosis

Supported model