Sony BB3 Schematic

“SHINKA”2018/12/04 15:17:04Evolve,(GMT+09:00)Intensify, and True Value	BBGG
	“Harmonization”

FY16 Models LCDTV Main MCB

Easy Repair Guide (ERG)

SYS SET1

2018/12/04 15:17:04 (GMT+09:00)

Easy Repair Tips

Chassis : GN2S (ITC5)

Board : BB3

Segment : SE3/SE3N

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2018/12/04 15:17:04 (GMT+09:00)

Failure Red LED Display

The Number of Standby LED	Detection Items	Board Error Item
(Red LED blinking)
2	Main Power Error	AC Adaptor Error
3	Audio Error	Board Error
4	Panel Power Error	Board Error
5	Panel I2C COMM Error	Panel / LVDS Error
6	Backlight Error	Board Error

**Same as last FY14 ITC3 model

Sony EMCS (Malaysia) Sdn. Bhd.	“Together, Innovation, Our Future” -- Open & Transparent	3
		SYS SET

2018/12/04HOW15:17:04TO(GMT+09:00)CHECK AC ADAPTOR VOLTAGE

AC ADAPTOR

-ve

+ve

Ensure that +ve probe is touching the +ve terminal.

Photo: How to check AC Adaptor’s output voltage.

**apply to all AC Adaptor models for all chassis

TV No Power

Check DC voltage at JL6001

Is it 19.5V?

No

Take out adaptor and test at adaptor output is it 19V – 19.5V?

(Please refer Photo)

No

AC Adaptor NG

Yes	Please refer to DDCon Checking
	(next page)

Yes

Sony EMCS (Malaysia) Sdn. Bhd.	“Together, Innovation, Our Future” -- Open & Transparent	4
		SYS SET