IndicationCheck itemDetails of detectionMethod of detection
SYNCPresence or absence of Presence of synchronized signal.When entering the self-check mode, "OK" is
synchronized signalHD : Component signalshown.
M : NTSC main signalWhile running the mode with picture signal, if
S : NTSC sub signalthe synchronized signal is disappeared, "NG"
IC1301(AN15394A) : MI-COM & DISTis shown.
MODULE PWB
22
MEMMemory (EEP-ROM) ACK is returned when IC traffic isThe state is monitored every time when IC
carried out.traffic is carried out. Then the state is counted
IC1703(MEMORY) : MI-COM & DIST as a failure if ACK is not returned.
MODULE PWB
AVSWAV switchDittoDitto
IC1301(AN15852A) and
IC1501(CXA2069Q) : MAIN PWB
VCDVideo process DittoDitto
(RGB process)IC1301(AN15394A) : MI-COM & DIST
MODULE PWB
AIOAudio process DittoDitto
(MTS decode / audio control)IC1502(M62320) : MAIN PWB
YC3D YC separationDittoDitto
IC3001(MN82832) : MI-COM & DIST
MODULE PWB
TUNRF tunerDittoDitto
RF tuner
DETDIST processDittoDitto
IC201(JCC5055) : MI-COM & DIST
MODULE PWB
HDMI------------
SPRT------------
5.1.4 SELF-CHECK DISPLAY LED
ItemPOWER LED ON / OFF intervals
The self-check results are shown on the following LED display.
Method of indication when the raster is not displayed.X-ray radiationTurning on and off 0.1-second intervals
protection
Each failure is shown by turning POWER LED on and off at
B1 over-current Turning on and off 1-second intervals
specified intervals.
protection
? For X-ray radiation protection, B1 over-current protection, low
Low B short protection Turning on and off 2-second intervals
B short protection and CRT neck broken protection, the power
of the TV is turned off if NG is detected. Immediately after theCRT neck brokenTurning on and off 3-second intervals
power is turned off, POWER LED will be turning on and off.protection
When the power is turned off, you cannot turn the power on
again until the AC plug is taken out and put in again.
(No.YA166)1-59 |