Sony MZ-E505 service manual flow chart of judging LED voltage is OK or NG

MZ-E505

5.Judge LED voltage value is OK or NG by using the voltage value confirmed at step 3 and 4.

IN case of jadgment result is NG, adjust the LED voltage (See page 23).

flow chart of judging LED voltage is OK or NG:

		Vred: High luminosity RED voltage value (item No. 071)
Strat		Vgrn: High luminosity GREEN voltage value (item No. 075)
		NG
0.500mV Vred 1.100mV?
			Vred 1.101mV		Vred		0.419mV		0.420mV Vred 0.499mV
	OK			NG		NG
		Vred-Vgrn (adsolute value)					Vred-Vgrn (adsolute value)
		2.000mV?						2.000mV?

OK	8-2. LED voltage adjustment
	(See page 23)

OK

2.300mV Vgrn4.500mV?

OK

NG
Vgrn	4.501mV		Vgrn	1.349mV	1.350mV	Vgrn	2.299mV
Vgrn-Vred (absolute value)		NG	NG	Vgrn-Vred (absolute value)
3.500mV?					0.800mV?
OK	8-2. LED voltage adjustment				OK
		(See page 23)

Set the item No. to 081 and confirm the LED color is orange.

End

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