JVC HD56FH96 - 56" Rear Projection TV, Руководство по обслуживанию

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1-40 (No.YA337)
5.1.6 DETAILS
Self check is performed for the following items:
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Detection item Display Detection content
Diagnosis
signal (line)
Detection timing
Low bias line short
protection LOB Detection of the low bias line(5V/9V/12V) short.
Q9821 , Q9831 , Q9861 [POWER PWB ]
LB_PRO Detection starts 3 seconds after
the power is turned on. If error
continues between 200ms the
power is turned off.
Fan lock FAN Not used ---- ----
Audio AUD Not used ---- ----
Devices on the ANALOG
PWB ANA Confirmation of reply of ACK signal which uses
I2C communication.
IC101 , IC102 , IC281 , IC381 , IC601 , IC606 ,
IC061 , TU001 [ANALOG PWB]
SDA If it checks whenever I2C
communication is performed and
no reply of ACK signal an error
will be counted.
Devices on the DIGITAL
PWB DIG Confirmation of reply of ACK signal which uses
I2C communication.
IC6401 , IC8831 [DIGITAL PWB]
SDA If it checks whenever I2C
communication is performed and
no reply of ACK signal an error
will be counted.
Detection item Display Detection content
Diagnosis
signal (line)
Detection timing
Temp. sensor TMP Confirmation of the abnormal inner cabinet
temperature. (53
°
C)
IC2001 [THERMO PWB]
TXD It will count if the serial
communication from a DD
MICOM is always supervised and
an error occurs.
Lamp does not light up L1 Confirm that the lamp dose not light up.
CNBCT [DRIVE PWB]
TXD It will count if the serial
communication from a DD
MICOM is always supervised and
an error occurs.
Lamp goes out L2 Confirm that the lamp dose not goes out.
CNBCT [DRIVE PWB]
TXD It will count if the serial
communication from a DD
MICOM is always supervised and
an error occurs.
Abnormal DD CPU
circuit DDT Confirmation of the serial communication error
between DRIVE PWB and DIGITAL PWB.
IC3701 [DRIVE PWB]
TXD It will count if the serial
communication error is error
occurs.
Fan lock FAN Confirmation of the lock signals outputting the
operation(circuit) status of the cooling fan.
IC8005 [DRIVE PWB]
TXD It will count if the serial
communication from a DD
MICOM is always supervised and
an error occurs.
Lamp cover open LC Confirmation of the interlock switch status for the
lamp cover.
S0861 [LAMP COVER SW PWB]
TXD It will count if the serial
communication from a DD
MICOM is always supervised and
an error occurs.
Abnormal of optical iris IRS Confirmation of the abnormal optical iris
operation.
IC5005 [IRIS PWB]
TXD It will count if the serial
communication from a DD
MICOM is always supervised and
an error occurs.