LG BD370 User Manual

4-2
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
ELECTRICAL TROUBLESHOOTING GUIDE
Reset or power check.
OK
Check the power (5V/12V) signal
path from SMPS.
Repair the SMPS Block
NO
Are the Pin1 of
LPB801+5V, Pin4 of LPB801+12V
respectively after the power
cable connecting?
Check the LIC901 and
LIC901 input voltage 5V (Pin#3)
NO
<Power>
Is the Pin2 of LIC901
3.3V?
Check it after connecting the power cable only on
interface cable for NO Reset or Power ON.
YES
YES
YES
Check the LIC902 and
LIC902 input voltage 3.3V (Pin#3)
NO
<Power>
Is the pin2 of LIC903
1.2V?
YES
YES
Check the LX501(25MHz),
Check the LIC501
NO
Are the LX501 oscillating?
YES
YES
Check the AVCC 5volt and
Reset Circuit.
(LR5B0,LR5B1,LC5B0)
NO
Does the Pin120
(Reset in) of LIC501 change
0V to 1.63V at the power supply
initial input mode?
Check the LIC501
NO
<Reference>
1.65V (V14ref) :
Check Pin1 of LIC501
2.2V (VFVREF) : Check Pin2 of
LIC501 2.2V (VHAVC) :
Check Pin3 of
LIC501
1. RESET OR POWER CHECK

LG BD370 Specifications

General

3D	-
HDMI	Yes
Depth	275 mm
Width	430 mm
Height	49 mm
Weight	3740 g
Device type	Blu-Ray player
Product color	Black
Audio decoders	DTS, Dolby Digital
Playback modes	Repeat
Cables included	AC, AV, HDMI
Playback formats	DivX, (H.264 / MPEG-4 AVC codec)
Disc types supported	BD, BD-R, BD-RE, CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW
Supported video modes	480i, 1080i, 1080p
Card reader integrated	No
USB 2.0 ports quantity	1
Audio formats supported	MP3, WMA
Image formats supported	JPG
Video formats supported	DIVX, MPEG4
Consumer Electronics Control (CEC)	SimpLink
Audio output channels	2.0 channels