LG BP340 Service Manual

3-2
1. NO BOOTING WHEN YOU TURN THE UNIT ON
When you plug power cord and turn the unit on, LED light won’t turn green, the unit won’t output
video and read disc normally.
1-1. Please check every output voltage.
1) Please check if output voltage 12 V from main board C92 is normal.
ÖIf output voltage 12 V is not normal, please check the working status of SMPS board.
2) Please check if output voltage 5 V from main board C34 is normal.
ÖIf output voltage 5 V is not normal, please check the working status of main board U5 and its peripheral
circuit.
3) Please check if output voltage 3.3V_STBY from main board C3 is normal.
ÖIf output voltage 3.3V_STBY is not normal, please check the working status of main board U4 and its
peripheral circuit.
4) Please check if output voltage 3.3 V from main board C21 is normal.
ÖIf output voltage 3.3 V is not normal, please check the working status of main board U4 and its peripheral
circuit.
5) Please check if output voltage 1.5 V from main board C25 is normal.
ÖIf output voltage 1.5 V is not normal, please check the working status of main board U4 and its peripheral
circuit.
6) Please check if output voltage 1.2 V from main board C20 is normal.
ÖIf output voltage 1.2 V is not normal, please check the working status of main board U4 and its peripheral
circuit.
ONE POINT REPAIR GUIDE
< Main board top view >
C23
C25
C34
C21
C3
C92

LG BP340 Specifications

General

Depth	198 mm
Width	259 mm
Height	38 mm
Weight	997 g
Full HD	No
Device type	Blu-Ray player
Product color	Black
Audio decoders	Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS 2.0, DTS-HD Master Audio
Package weight	1270 g
Video upscaling	Yes
Disc types supported	BD, BD-R, BD-RE, CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW
Card reader integrated	-
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Audio formats supported	AAC, FLAC, LPCM, MP3, WMA
Video formats supported	3GP, AVC, AVCHD, DAT, FLV, M4V, MKV, MOV, MP4, MPEG1, MPEG2, MPEG4, TS, VC-1, VOB, WMV
Power consumption (standby)	0.5 W
Power consumption (typical)	12 W
Audio output channels	- channels