LG BP340 Service Manual

3-6
ELECTRICAL TROUBLESHOOTING GUIDE
2. UNIT POWER CHECK FLOW
3. UNIT CANNOT POWER ON
TEST
When press power keys
or use remote cannot power on.
Power check end.
Replace main board.
Whether power board
12 V output is normal?
Whether unit power check
is OK?
Repair or replace power board.
Repair or replace
power board and main board.
YES
YES
YES
YES
NO
NO
Make sure the main board
don’t short.
Whether connect to PC
with RS232 cable and update the
firmware is OK?
Whether main board
3.3V_STBY/ 3.3 V/ 1.5 V/ 1.2 V
output is normal?
Whether main board
5 V output is normal?
Repair or replace main board.
Replace U8.
Replace U4.
Replace U5.
YES
YES
YES
YES
NO
NO
NO
NO

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