Zenith 32/37/42LC2DA
Application ObjectThese instructions are applied to all of the Zenith LCD or LG TV using chassis LA63E.
2. Notes
(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 equipment.
(2) Adjustments must be done in the correct order.
(3) The adjustments must be performed in the circumstance of 20±5°C of temperature and 65±10% of relative humidity if there is no specific designation.
(4) The input voltage of the receiver be must kept 110V, 60Hz when adjusting.
(5) The receiver must be operational for about 15 minutes prior to the adjustments.
Perform preliminary operation after receiving 100% White Pattern (06CH).
(Or 3. White Pattern status of Ez-Adjust) White Pattern entry method
A) Enter into Ez-Adjust by pressing the ADJ key on the adjustment Remote Control.
B) 100% FULL WHITE PATTERN appears if pressing the OK key after selecting the 3.WHITE
PATTERN with the CH + / - KEY.
* It is possible to heat run the set without a separate signal generator in this mode.
Caution : Care must be taken as afterimage phenomena may occur about the black level part of
screen If leaving pause image turned on for more than 20 minutes (especially inner digital pattern (13
CH), Cross Hatch Pattern (09CH) with significant black/white contrast).
Zenith 42LC2DA TV Service menu
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If you turn on a still screen more than 20 minutes (Especially Digital pattern(13 CH), Cross Hatch Pattern), an afterimage may occur in the black level part of the screen.
Zenith 42LC2DA Adjustment
(1) Select Component1 as the input with 100% Horizontal Color Bar Pattern(HozTV31Bar) in 480i Mode
(2) After receiving signal for at least 1 second, press the ADJ Key on the Service R/C to enter the ‘Ez - Adjust’ and select the ‘2. ADC 480i Comp1’.
Pressing the Enter Key to adjust automatically.
(3) When the adjustment is over, 'MST3361 Component Success’ is displayed. If the adjustment has errors, 'MST3361 Configuration Error’ is displayed.
(4) Select Component1 as the input with 100% Horizontal Color Bar Pattern(HozTV31Bar) in 1080i Mode.
(5) After receiving signal for at least 1 second, press the ADJ Key on the Service R/C to enter the ‘Ez - Adjust’ and select
the ‘3. ADC 1080i Comp1/RGB’.
Pressing the Enter Key to adjust automatically.
(6) When the adjustment is over, 'MST3361 Component Success’ is displayed. If the adjustment has errors, 'MST3361 Configuration Error’ is displayed.
(7) After the Component MST3361 adjustment is over, convert the RGB-DTV Mode and display Pattern.
When the adjustment is over, 'MST3361 RGB_DTV Success’ is displayed.
(8) Readjust after confirming the case Pattern or adjustment condition where the adjustment errors.
(9) After adjustment is complete, exit the adjustment mode by pressing the ADJ KEY.
6. EDID(The Extended Display Identification Data)/DDC
(Display Data Channel) Download
This is the function that enables “Plug and Play".
Zenith 42LC2DA HDMI EDID Data Input
Required Test Equipment
1) PC, Jig for adjusting DDC. (PC serial to D-sub Connection equipment)
2) S/W for writing DDC(EDID data write & read)
3) D-Sub cable
4) Jig for HDMI Cable connection
Preparation for Adjustments & Setting of Device
1) Set devices as below and turn on the PC and JIG.
2) Open S/W for writing DDC (EDID data write & read).
Universal Remote - Service Mode - TV Factory menu codes
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Zenith 42LC2DA TV Service menu (All TV Service Menu Code)
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Zenith 42LC2DA TV Service menu mode, Zenith 42LC2DA TV factory mode code Written on July 04, 2015