LG 442PT260E-DA / 2PT260E-DC (CHASSIS:PB11K) Service Manual ▷ View online
ATSC Group GP2‐R Team
Great Company Great People
Last updated 2010.06.03
GP2-R Training manual
GP2-R Training manual
Contents
- Block Diagram
- System Design
- Trouble Shooting Guide
Customer Oriented R&D
Breakthrough
Block Diagram – Overview()
S7L
IR
CVBS
RS-232C
UART
UART
DEMOD
DEMOD
CVBS(ATV)
Serial_TS(SBTVD)
X-tal
(24MHz)
NAND
Flash
Serial Flash
DDR3
IF
COMP1
COMP2
Y/Cb/Cr
Y/Cb/Cr
R/G/B
RGB-PC
Rear AV
CVBS
Side AV
CVBS
AV1,2 L/R
COMP 1,2 L/R
L/R
L/R
HDMI 1
HDMI 2
HDMI 3
HDMI 2
HDMI 3
TMDS/DDC
TMDS/DDC
Video
Front
End
Audio
Front
End
HDMI
RX
LVDS out
HD(WXGA,XGA)
FHD 2D/3D
HD/SD
Video
Encoder
STA368
(Digital AMP)
I2S
MCLK
Audio
DSP
SPDIF Out
UART
RX/TX
DDC
SIF
Cab
le
ISDB-T/
PAL/NTSC
Rear USB( SVC only)
Side USB
USB2.0
LVDS
Con.
HD
FHD
3D
LVDS
Con.
HD
FHD
3D
IF(ATSC)
TMDS/DDC
RGB-PC L/R
Customer Oriented R&D
Breakthrough
DDR3
256MB(128*2)
DDR3
256MB(128*2)
S7L
S7L
WXGA/XGA
LVDS
(Front-end)
(External Input)
EXT_IN
HDMI_D
CVBS_LIVE
TP1
CVBS_LIVE
SIF1
SIF1
Cab
le
ISDB-T/
PAL/NTSC
(System + Scalar)
IF
I2S
TAS5709
TAS5709
AV1
AV1_LR
COMP1_LR
COMP2_LR
RGB_LR EXT_IN
AV2
AV2_LR
NANDFlash
256MB
NANDFlash
256MB
(Audio Out)
USB2.0
SPDIF
SIF_LIVE
I2S_BCM
(Comp1/2, RGB)
HDMI_Rear(D port)
HDMI_Side (C port)
SIDE HDMI_PORT
UI_HW_PORT1
HDMI_C
Demodulator
MN884433
TP1
Serial_Flash
1MB
Serial_Flash
1MB
(USB)
Rear USB( SVC only)
Side USB
1. Power-Up Boot Fail Trouble Shooting
Rear(0)
Side(1)
HDMI_Side (B port)
UI_HW_PORT1
Customer Oriented R&D
Breakthrough
Reset Design
TAS5709
(AMP)
Demodulator
GPIO Reset
Active Low
S7
(Main Soc)
H/W Reset
Active High
Tuner
GPIO Reset
Active Low
GPIO Reset
Active Low
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