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37LC2R Schematic ( PDF Datasheet ) - LG

Teilenummer 37LC2R
Beschreibung LCD TV SERVICE MANUAL
Hersteller LG
Logo LG Logo 




Gesamt 30 Seiten
37LC2R Datasheet, Funktion
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html
LCD TV
SERVICE MANUAL
CHASSIS : LP62C
FACTORY MODEL : 37LC2R-TH / 42LC2R-TH
MODEL : 37LC2R / 42LC2R
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
R
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37LC2R Datasheet, Funktion
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
1. Application range
This specification is applied to LP62C chassis.
2. Requirement for Test
Testing for standard of each part must be followed in below
condition.
3. Test method
3.1 Performance : LGE TV test method followed
3.2 Demanded other specification
Safety : CE, IEC Specification
EMC : CE, IEC
(1) Temperature : 25°C±5°C(77±9°F), CST : 40±5
(2) Humidity : 65%±10%
(3) Power : Standard input voltage (AC 100-240V, 50/60Hz)
*Standard Voltage of each products is marked by models
(4) Specification and performance of each parts are followed
each drawing and specification by part number in
accordance with BOM.
(5) The receiver must be operated for about 20 minutes prior
to the adjustment.
4. General TV Specification
No Item
1. Video input applicable system
2. Receivable Broadcasting System
3. RF Input Channel
4. Input Voltage
5. Market
6. Active Screen Size
7. Tuning System
8. Operating Environment
9. Storage Environment
10. Display
Specification
PAL-D/K, B/G, I, NTSC-M, SECAM,
NTSC 4.43
1) PAL/SECAM BG
2) PAL/SECAM DK
3) PAL I/I
4) SECAM L/L'
5) PAL-N/M
6) NTSC M
VHF : E2 ~ E12
UHF : E21 ~ E69
CATV : S1 ~ S20
HYPER : S21~ S47
L/L' : B, C, D
VHF : 2~13
UHF : 14~69
CATV : 1~125
AC 100 ~ 240 V/50Hz, 60Hz
Worldwide
940.3 mm(diagonal)
1067.308 mm (diagonal)
FVS 100 program
FS
1) Temp : 0 ~ 40 deg
2) Humidity : 10 ~ 90 %RH
1) Temp : -20 ~ 50 deg
2) Humidity : 10 ~ 90 %RH
LCD Module
Remark
only ZH
only TH
PAL
FRANCE
NTSC
37.02 inches
42.02 inches
32"/42" : LPL
37" : AUO, LPL
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6 Page









37LC2R pdf, datenblatt
d. Model Name/Monitor Name:
Model Name
37LC2R-TH 00 00 00 FC 00 33 37 4C 43 32 52 2D 54 48 0A 20 20 20
42LC2R-TH 00 00 00 FC 00 34 32 4C 43 32 52 2D 54 48 0A 20 20 20
e. Checksum: Changeable by total EDID data
Master pattern generator like MSPG-925)
- If Minimum Black Level and/or Maximum White
Level is not correct, Do select 100% Color Bar
Pattern.
5. ADC Calibration
5.1 Adjustment of RF/AV/S-VIDEO
* Required Equipments
Remote controller for adjustment
802F Pattern Generator, Master (MSPG-925FA), etc.
MSPG-925FA Pattern Generator
(Which has Video Signal: 100% Color Bar Pattern
shown in Fig. 1)
=> Model : 202 / Pattern: 33 (PAL : ZH, TH)
Model : 201 / Pattern : 33 (NTSC : MH)
(Fig. 2)
5.2.1 Method of Auto Component Color Balance
1) Input the Component 720p 100% Color Bar(MSPG-925FA
model:217, pattern:33) signal into Component.
(ZH : component , TH/MH : component 1 or 2)
2) Set the PSM to Standard mode in the Picture menu.
3) Press the INSTART key on R/C for adjustment.
4) Press the (Vol. +) key to operate the set , then it
becomes automatically.
5) Auto-RGB OK means the adjustment is completed.
(Fig. 1)
5.1.1 Method of Auto RF/AV/S-VIDEO Color Balance.
1) Press the FRONT-AV KEY on R/C for converting input
mode.
2) Input the Video Signal: 100% Color Bar signal into
AV3(ZH), AV1(TH), VIDEO1(MH)
3) Set the PSM to Standard mode in the Picture menu.
4) Press INSTART key on R/C for adjustment.
5) Press the (Vol.+) key to operate the set, then it becomes
automatically
6) Auto-RGB OK means the adjustment is completed
5.1.2 Requirement
This AV color balance adjustment should be performed
before White Balance Adjustment.
After color balance adjustment, You must push "power on"
key. ("Power on" key is "Access Heat_run mode")
5.3 Adjustment of RGB
* Required Equipments
Remote controller for adjustment
802F Pattern Generator, Master (MSPG-925FA), etc.
MSPG-925FA Pattern Generator
(Which has XGA [1024x768] 60Hz PC Format output
signal : 100% Color Bar Pattern shown in Fig. 3 )
It is very import to use correct adjustment pattern like
Fig. 10.
- Within the pattern, color sequence should be aligned
: W-Y-C-G-M-R-BLUE-BLACK
(If color sequence is reversed (Black ->...-> White),
reverse the pattern with REV key, when using
Master pattern generator like MSPG-925)
- If Minimum Black Level and/or Maximum White
Level is not correct, Do select 100% Color Bar
Pattern.
5.2 Adjustment of Component.
* Required Equipments
Remote controller for adjustment
802F Pattern Generator, Master (MSPG-925FA), etc.
MSPG-925FA Pattern Generator
(Which has 720p YPbPr signal : 100% Color Bar
Pattern shown in Fig. 2 )
=> Model: 217 / Pattern: 33
It is very import to use correct adjustment pattern like
Fig. 2.
- Within the pattern, color sequence should be aligned
: W-Y-C-G-M-R-BLUE-BLACK
(If color sequence is reversed (Black -> ... -> White),
reverse the pattern with REV key, when using
(Fig. 3)
5.3.1 Method of Auto RGB Color Balance
1) Input the PC 1024x768@60Hz 1/2 Black&White Pattern
(MSPG-925FA model:3, pattern:33) into RGB.
2) Set the PSM to Standard mode in Picture menu.
3) Press the INSTART key on R/C for adjustment.
4) Press the (Vol. +) key operate To set , then it becomes
automatically.
5) Auto-RGB OK means adjustment is completed.
- 12 -

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