Toshiba TW40F80 manual Understanding Self Diagnosis Indication, Self Check

13-4. Understanding Self Diagnosis Indication

In case that phenomenon always arises. See Fig. 3-7 .

(Example of screen display)

SELF CHECK

NO. 239XXXX POWER: 000000

BUS LINE: OK

BUS CONT: OK

BLOCK: UV

Part coce of QA01	E
Number of operation of	F
power protection circuit
Short check of bus line	B
Communication check of	C
busline
V1 V2	D
QV01, QV01S

Fig. 3-7

	Table 3-5
Item	Contents	Instruction of results
BUS LINE	Detection of bus line short	Indication of OK for normal result, NG for abnormal
		Indication of OK for normal result
		Indication of failure place in abnormality
		(Failure place to be indicated)
		QA02 NG, H001 NG, Q501 NG, H002 NG, QV01 NG, Q302
BUS CONT	Communication state of bus line	NG, QY02 NG, HY01 NG, QD04 NG, QM01 NG, Q701 NG
		Note:
		The indication of failure place is only one place though
		failure places are plural. When repair of a failure place
		finishes, the next failure place is indicated. (The order of
		priority of indication is left side.)
		* Indication by color
BLOCK: UV1	The sync signal part in each video signal	• Normal block	: Green
UV2	supplied from each block is detected.	• Non diagnosis block	: Cyan
V1	Then by checking the existence or non of sync
V2	part, the result of self diagnosis is displayed
	on screen. Besides, when “9” key on remote
	unit is pressed, diagnosis operation is first
	executed once.

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