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37LS570S Schematic ( PDF Datasheet ) - LG

Teilenummer 37LS570S
Beschreibung LED LCD TV SERVICE MANUAL
Hersteller LG
Logo LG Logo 




Gesamt 30 Seiten
37LS570S Datasheet, Funktion
North/Latin America
Europe/Africa
Asia/Oceania
Internal Use Only
http://aic.lgservice.com
http://eic.lgservice.com
http://biz.lgservice.com
LED LCD TV
SERVICE MANUAL
CHASSIS : LD22E
MODEL : 37LS570S
MODEL : 37LS570T
37LS570S-ZB
37LS570T-ZB
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67360902 (1202-REV00)
Printed in Korea






37LS570S Datasheet, Funktion
SPECIFICATION
NOTE : Specifications and others are subject to change without notice for improvement.
1. Application range
This specification is applied to the LCD TV used LD22E
chassis.
2. Requirement for Test
Each part is tested as below without special appointment.
1) Temperature: 25 °C ± 5 °C(77 °F ± 9 °F), CST: 40 °C ± 5 °C
2) Relative Humidity: 65 % ± 10 %
3) Power Voltage
: Standard input voltage (AC 100-240 V~, 50/60 Hz)
* 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.
3. Test method
1) Performance: LGE TV test method followed
2) Demanded other specification
- Safety : CE, IEC specification
- EMC : CE, IEC
- Wireless : Wireless HD Specification (Option)
4. Model General Specification
No. Item
Specification
1 Market
EU(PAL Market-36Countries)
Remarks
DTV & Analog (Total 37 countries)
DTV (MPEG2/4, DVB-T) : 30 countries
Germany, Netherland, Switzerland, Hungary, Austria,
Slovenia, Bulgaria, France, Spain, Italy, Belgium, Russia,
Luxemburg, Greece, Czech, Croatia, Turkey, Moroco, Ire-
land, Latvia, Estonia, Lithuania, Poland, Portugal, Romania,
Albania, Bosnia, Serbia, Slovakia, Beralus
DTV (MPEG2/4, DVB-T2) : 7 countries
UK, Sweden, Denmark, Finland, Norway, Ukraine, Kaza-
khstan, Ireland
DTV (MPEG2/4, DVB-C) : 37 countries
Germany, Netherland, Switzerland, Hungary, Austria,
Slovenia, Bulgaria, France, Spain, Italy, Belgium, Russia,
Luxemburg, Greece, Czech, Croatia, Turkey, Moroco, Ire-
land, Latvia, Estonia, Lithuania, Poland, Portugal, Romania,
Albania, Bosnia, Serbia, Slovakia, Beralus, UK, Sweden,
Denmark, Finland, Norway, Ukraine, Kazakhstan
DTV (MPEG2/4,DVB-S) : 30 countries
Germany, Netherland, Switzerland, Hungary, Austria,
Slovenia, Bulgaria, France, Spain, Italy, Belgium, Russia,
Luxemburg, Greece, Czech, Croatia, Turkey, Moroco, Ire-
land, Latvia, Estonia, Lithuania, Poland, Portugal, Romania,
Albania, Bosnia, Serbia, Slovakia, Beralus
Supported satellite : 22 satellites
HISPASAT 1C/1D, ATLANTIC BIRD 2, NILESAT 101/102,
ATLANTIC BIRD 3, AMOS 2/3, THOR 5/6, IRIUS 4, EU-
TELSAT-W3A, EUROBIRD 9°, EUTELSAT-W2A, HOTBIRD
6/8/9, EUTELSAT-SESAT, ASTRA 1L/H/M/KR, ASTRA
3°/3B, BADR 4/6, ASTRA 2D, EUROBIRD 3, EUTELSAT-
W7, HELLASSAT 2, EXPRESS AM1, TURKSAT 2°/3°,
INTERSAT10
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
-6-
LGE Internal Use Only

6 Page









37LS570S pdf, datenblatt
3.5. Model name & Serial number Download
3.5.1. Model name & Serial number D/L
Press "Power on" key of service remote control.
(Baud rate : 115200 bps)
Connect RS232 Signal Cable to RS-232 Jack.
Write Serial number by use RS-232.
Must check the serial number at Instart menu.
3.5.2. Method & notice
(1) Serial number D/L is using of scan equipment.
(2) Setting of scan equipment operated by Manufacturing
Technology Group.
(3) Serial number D/L must be conformed when it is produced
in production line, because serial number D/L is mandatory
by D-book 4.0
* Manual Download (Model Name and Serial Number)
If the TV set is downloaded by OTA or service man, sometimes
model name or serial number is initialized.(Not always)
It is impossible to download by bar code scan, so It need
Manual download.
1) Press the "Instart" key of Adjustment remote control.
2) Go to the menu "5.Model Number D/L" like below photo.
3) Input the Factory model name(ex 47LM760S-ZB-A) or
Serial number like photo.
2) Check the key download for transmitted command
(RS232: ci 00 10)
CMD 1
CMD 2
Data 0
CI 10
3) Result value
- Normally status for download : OKx
- Abnormally status for download : NGx
3.6.2. Check the method of CI+ key value(RS232)
1) Into the main ass’y mode(RS232: aa 00 00)
CMD 1
CMD 2
Data 0
AA0 0
2) Check the mothed of CI+ key by command
(RS232: ci 00 20)
CMD 1
CMD 2
Data 0
CI 20
3) Result value
i 01 OK 1d1852d21c1ed5dcx
CI+ Key Value
3.7. WIFI MAC ADDRESS CHECK
(1) Using RS232
H-freq(kHz)
V-freq.(Hz)
Transmission [A][I][][Set ID][][20][Cr] [O][K][X] or [NG]
(2) Check the menu on in-start.
4) Check the model name Instart menu. → Factory name
displayed. (ex 47LM760S-ZB)
5) Check the Diagnostics.(DTV country only) → Buyer
model displayed. (ex 47LM760S-ZB)
3.6. CI+ Key checking method
- Check the Section 3.2
Check whether the key was downloaded or not at ‘In Start’
menu. (Refer to below).
=> Check the Download to CI+ Key value in LGset.
3.6.1. Check the method of CI+ Key value
(1) Check the method on Instart menu
(2) Check the method of RS232C Command
1) Into the main ass’y mode(RS232: aa 00 00)
CMD 1
A
CMD 2
A
Data 0
00
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
- 12 -
LGE Internal Use Only

12 Page





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