Sony KDL-40CX525 Service Manual page 29

ATIVAÇÃO DA PROTEÇÃO
Self Diagnosis
Supported model
Critical voltages and circuit operations are monitored by the CPU
on the main board. If a fault is detected the Self-Diagnostic function
in the TV will force the TV to shut down by the CPU. The monitored
FLUFXLW LQ ZKLFK WKH IDXOW RFFXUUHG ZLOO FDXVH WKH &38 WR ÀDVK WKH
Stand-By LED in groups of repeating sequences. The number of
EOLQNV LQ WKHVH JURXSV LGHQWL¿HV ZKLFK YROWDJH RU FLUFXLW FDXVHG WKH
protection event.
Not all of the available protect codes are used in every model.
For example, models that are LED backlit do not use the 4-blink
balancer error as this circuit is found in models that are backlit with
ÀXRUHVFHQW ODPSV 7KH IROORZLQJ FRQWDLQV WKH SURWHFW FLUFXLWV DQG
diagnostics codes used in the models listed in this manual.
4-3. Diagnostic Table" on page 26
the possible component causing the shutdown.
KDL-32CX525/40CX525/46CX525
SEÇAO 4 - ANÁLISES DE DEFEITOS
"Figure
provides guidance in locating
CONTAGEM DE PISCAMENTO DO LED DE STANDBY
Ambient Sensor/
(IR) Infrared Receiver
FIGURE 4-1. LED DISPLAY
2 times
5 times
LED ON 0.3 sec.
LED OFF 0.3 sec.
FIGURE 4-2. BLINK COUNT
Picture Off / Standby LED Power LED
Timer LED
LED OFF
3 sec.
24