LG BP340 Service Manual

3-10
WAVEFORMS ON SYSTEM TEST
1. POWER ON SYSTEM RESET SEQUENCE
RESET active high must delay basis on all system power.
1
2
RESET_
1.2V
1
RESET
RESET_
VCC
3.3V_STBY
RESET_RESET_
R177
100
R177
100
R179
10K
R179
10K
R181
12K
R181
12K
Q1
NPN_3DG3904M
Q1
NPN_3DG3904M
R182
2.7K
R182
2.7K
C214
4.7UF/10V/X
5R
C214
4.7UF/10V/X
5R
Q4
NPN_3DG3904M
Q4
NPN_3DG3904M
R176
3.3K
R176
3.3K
2
1.2V
2. SYSTEM 27 MHz CLOCK WAVEFORM
MT8551 require nominal frequency 27 MHz, tolerance ±30 ppm.
3
27MHz
3
NS_XTALI
AVDD33_VDAC_R
NS_XTALO
AVDD33_PLLGP
AVDD33_VDAC
3.3V
3.3V_STBY
3.3V
U1CU1C
AVDD33_VDAC
E16
AVSS33_VDAC
G14
AVDD33_VDAC_R
D16
AVSS33_VDAC_R
F14
AVDD33_PLLGP
C12
AVSS33_PLLGP
C13
NS_XTALI
A11
NS_XTALO
B11
A
A
C87 33pF/50V/NP0C87 33pF/50V/NP0 R43 10R43 10
R41
1M
R41
1M
C86 33pF/50V/NP0C86 33pF/50V/NP0
Y1
27MHz/30PPM
Y1
27MHz/30PPM
Figure 1-1. Waveform
Figure 2-1. Waveform
Figure 1-2. Test Point
Figure 2-2. Test Point

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