LG BP350 Service Manual

3-30
ONE POINT REPAIR GUIDE
NO BOOTING WHEN YOU TURN THE UNIT ON
When you turn on your set, it will blank/ no displaying Main Menu on Television/ Monitor,
and it will not boot-up.
3-2. IC151 (No 3.3 V)
3-2-1. Solution
Replace IC151 on main board.
3-2-2. How to troubleshoot (Countermeasure)
1) Please check 3.3 V of IC153 on main board.
2) If 3.3 V voltage doesn’t come out, check IC151 pin2 (5.1VA).
If there is no 5.1 VA, back to the solution 2.
3) If 5.1 VA input is normal, first of all check the PWR_CTL is high (Q501 pin2).
If PWR_CTL is high, check R172, L153, C179, R174, R175, R176
and if there’s no defective component then replace IC151.
4) After changing it, if the set is still not booting:
- Refer to the next page for checking another power source. (1.2 V, 1.5 V)
- Check Crystal X501 refer to item 3-5.
- Check NAND flash IC (IC602) refer to item 3-6.
- Check DDR IC (IC601) refer to item 3-7.
- Check MPEG IC (IC501) refer to item 3-8.
3-2-3. Service hint (Any picture / Remark)
IC151
< Main board top view >
IC 151

LG BP350 Specifications

General

Depth	195 mm
Width	270 mm
Height	43 mm
Weight	850 g
Full HD	Yes
Device type	Blu-Ray player
Aspect ratio	16:9
Product color	Black
Audio decoders	Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS
Playback modes	Repeat
Disc types supported	BD-R, BD-RE, BD-ROM, CD, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RAM, DVD-RW
Playback disc formats	CD audio, SVCD, VCD
Supported video modes	1080p
Card reader integrated	No
USB 2.0 ports quantity	1
Audio formats supported	-
Video formats supported	AVC, AVCHD, H.264, MKV, MPEG2, MPEG4
Digital audio optical out	0
Analog signal format system	NTSC, PAL
Power consumption (standby)	0.5 W
Power consumption (typical)	12 W
Consumer Electronics Control (CEC)	SimpLink
Audio output channels	2.0 channels