Read LG 42LA6900 (CHASSIS:LC33B) Service Manual online
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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 LC33B
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 100-220 V~, 50 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
4. Model General Specification
No.
Item
Specification
Remarks
1
Market
CHINA , HONG KONG (PAL/DTMB/
DVB-C(china only)
Market)
2
Broadcasting system
1) PAL-DK
2) PAL-I
3) NTSC M
4) DTMB
5) DVB-C(china only)
DTMB ( Single & Multi carrier )
3
Program coverage
1) PAL-DK:VHF/UHF 1~62, Cable:1~41
2) PAL-I: VHF/UHF 1~69, Cable:1~47
3) NTSC M : VHF/UHF 2~78, Cable:1~71
4) DTMB:1~62
5) DVB-C(china only) : 52.5Mhz~866MShz
4
Receiving system
Analog : Upper Heterodyne
Digital : COFDM, QAM
► DTMB
(Carrier, Code Rate, Constellation, Frame Header, Inter-
leaving)
* China
- MODE1 : 3780, 0.4, 16QAM, PN945, 720, 9.626 Mbps
- MODE2 : 1, 0.8, 4QAM, PN595, 720, 10.396 Mbps
- MODE3 : 3780, 0.6, 16QAM, PN945, 720, 14.438 Mbps
- MODE4 : 1, 0.8, 16QAM, PN595, 720, 20.791 Mbps
- MODE5 : 3780, 0.8, 16QAM, PN420, 720, 21.658 Mbps
- MODE6 : 3780, 0.6, 64QAM, PN420, 720, 24.365 Mbps
- MODE7 : 1, 0.8, 32QAM, PN595, 720, 25.989 Mbps
* HONG KONG
- MODE : 3780 , 0.4/0.6 , 4/16/64QAM , PN945 , 720
QPSK : 1/2, 2/3, 3/4, 5/6, 7/8
16-QAM : 1/2, 2/3, 3/4, 5/6, 7/8
64-QAM : 1/2, 2/3, 3/4, 5/6, 7/8
► DVB-C
- Symbolrate : 4.0Msymbols/s to 7.2Msymbols/s
- Modulation : 16QAM, 64-QAM, 128-QAM and 256-QAM
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