LG 42LA6800-CA (CHASSIS:LC33B) Service Manual ▷ View online
LGE TV Research Lab.
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LC33B Adjust Specification
C2-2230
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Reform: 12. 02. 03
LG Electronics
1. Application range
Chassis
Basic Model Name
Market Place
Brand
Remarks
LC33B
32/42/47/50/55/60LA6200-CA
32/42/47/55LA6500-CA
42/47/55LA6800-CA
42/47LA6900-CB
42/47/55LA6600-CA
32/39/42LN5700-CA
CN(PAL/DK,
DTMB.DVB-
C(CHINA
ONLY))
LG
Major production type
▪SET ( o )
▪CKD ( o )
▪SKD ( o )
▪CKD ( o )
▪SKD ( o )
2. Specification.
2.1 Because this is not a hot chassis, it is not necessary to use an isolation transformer.
However, the use of isolation transformer will help protect test instrument.
2.2 Adjustment must be done in the correct order.
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LC33B Adjust Specification
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2.3 The adjustment must be performed in the circumstance of 25±5℃ of temperature and
65±10% of relative humidity if there is no specific designation.
2.4 The input voltage of the receiver must keep 100~240V, 50/60Hz.
2.5 The receiver must be operated for about 5 minutes prior to the adjustment when
module is in the circumstance of over 15℃
In case of keeping module is in the circumstance of 0°C, it should be placed
in the circumstance of above 15°C for 2 hours
in the circumstance of above 15°C for 2 hours
In case of keeping module is in the circumstance of below -20°C, it should be
placed in the circumstance of above 15°C for 3 hours,.
placed in the circumstance of above 15°C for 3 hours,.
Caution) When still image is displayed for a period of 20 minutes or longer (especially where
W/B scale is strong. Digital pattern 13ch and/or Cross hatch pattern 09ch), there can some
afterimage in the black level area.
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LC33B Adjust Specification
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3. Adjustment items
3.1 Main PCB check process
▪MAC Address Download
▪ Widevine key Download
▪ ESN Download
Above adjustment items can be also performed in Final Assembly if needed. Both
Board-level and Final assembly adjustment items can be check using In-Star Menu
‘1.ADJUST CHECK’.
Board-level and Final assembly adjustment items can be check using In-Star Menu
‘1.ADJUST CHECK’.
3.2 Final assembly adjustment
▪White Balance adjustment
▪RS-232C functionality check
▪ PING Test
▪Factory Option setting per destination
▪Ship-out mode setting (In-Stop)
3.3 Etc
▪Ship-out mode
▪Service Option Default
▪USB Download(S/W Update, Option,
Service only
)
▪ISP Download(Option)
LGE TV Research Lab.
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LC33B Adjust Specification
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Reform: 12. 02. 03
LG Electronics
4. Automatic Adjustment
4.1 MAC address D/L , HDCP1.4/HDCP2.0 KEY, Widevine key D/L, ESN D/L
Connect: USB port
Communication Prot connection
▪ Com 1,2,3,4 and 115200(Baudrate)
Mode check: Online Only
▪ check the test process: DETECT -> MAC -> Widevine-> HDCP(1.4/2.0) -> ESN
▪.Play : Press Enter key
▪. Result: Ready, Test, OK or NG
▪. Printer Out (MAC Address Label)
Communication Prot connection
▪ Com 1,2,3,4 and 115200(Baudrate)
Mode check: Online Only
▪ check the test process: DETECT -> MAC -> Widevine-> HDCP(1.4/2.0) -> ESN
▪.Play : Press Enter key
▪. Result: Ready, Test, OK or NG
▪. Printer Out (MAC Address Label)
4.1.2
Inspection
- In INSTART menu, check these keys.
4.3 LAN Inspection
4.3.1 Equipment & Condition
▪ Each other connection to LAN Port of IP Hub and Jig
▪ Each other connection to LAN Port of IP Hub and Jig
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