DOWNLOAD LG 47LN5790 (CHASSIS:LA33B) Service Manual ↓ Size: 9.8 MB | Pages: 120 in PDF or view online for FREE

Model
47LN5790 (CHASSIS:LA33B)
Pages
120
Size
9.8 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47ln5790-chassis-la33b.pdf
Date
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LG 47LN5790 (CHASSIS:LA33B) Service Manual ▷ View online

◈ CONTENT ◈
1. ‘2011 Product line-up and features 
2. Model naming and tool option 
3. New features 
4. Main PCBs 
5. Block Diagrams, IIC Map 
6. Structure of TV set and connection of sub assy’s
7. New sub assy’s
- Instruction of new sub assy’s
- How to use tool
- Download
8. Adjust way of new features 
9. Repair guide 
- 8/83 -
EPI Interface
EPI(Embedded Point-Point Interface)
Features
• Point-Point topology (support 2 Pair option)
• CDR (Clock Data Recovery)
• Bandwidth up to 1.85Gbps/pair at FHD 120Hz 10 bit application
• Lock signal cascading and feedback to T-Con
• Embedded Control Data
Merits
• Better reliability on common noise
• No data skew and better EMI margin
• Fewer lines than mini-LVDS
• Slim PCB design
TCON
2
LOCK
VCC
1
Figure1. Topology
- 9/83 -
EPI Interface (mini-LVDS vs. EPI)
Comparison
HF mini-LVDS
What to change
EPI (Embedded clock P-to-P Interface)
-Difficult to upgrade bandwidth limit
-Multiple number of wires needed for higher bandwidth
HF mini-
LVDS
FHD (10bit)
60Hz
120Hz
240Hz
No. of Signal
36
36
72
Connector
60pin
(2ea)
60pin
(2ea)
80pin
(2ea)
-Better reliability on common noise
-No data skew. Better EMI margin
-Lower cost ( Cable, Connector )
-Slim S-PCB design (14mm Æ 10mm) helps slimmer TV
EPI
FHD (10bit)
60Hz
120Hz
240Hz
960ch
960ch
720ch
No. of Signal
12
12
32
Connector
-
50 pin 
(2ea)
70pin 
(2ea)
LCM (T-con to S-Driver IC)
TCON
2
LOCK
VCC
1
TCON
18
VCC
1
18
HF mini-LVDS
EPI
* Bandwidth Capability 
- FHD 120Hz 10Bit : 594Mbps@36Lines → 1.65Gbps@12Lines
- FHD 240Hz 10Bit : 594Mbps@72Lines → 1.25Gbps@32Lines
(FHD 120Hz)
(FHD 120Hz)
- 10/83 -
HF mini-LVDS
EPI
Topology
Protocol
Features
@10bit, FHD120
• Multi Drop
• Data rate: 660Mbps
• External clock
• Point to Point
• Data rate : 1.8Gbps
• Embedded clock, Control
Merit
• Simple structure
• Standardization
• Fewer Lines : 12
• Embedded clock 
: low EMI, Clock skew free
• Easy to PCB design
Demerit
• Too many lines : 36
• Clock skew
• EMI due to clock lines
• Bandwidth limit
• Transmission Overhead
: 4bit delimiter
TCON
Lock
2
1
TCON
EPI Interface (mini-LVDS vs. EPI)
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