Sony LCD TV Service Menu

SONY LCD AT2X CHASSIS Type: KLV-V40A10E, KDL-V40A12U service menu / mode
How to enter to SONY LCD (Lliquid Crystal Display) TV service mode ?
Turn on the Sony LCD TV and please turn off the Sony LCD TV to standby mode using power button on your tv remote or universal remote.
Press the following sequence of buttons on the remote control
Press "Menu" on the remote control to obtain the following menu on the Sony LCD TV screen.
Move to the Service icon using the up or down arrow button on the remote control
Press the right arrow button to enter into the required menu item.
Press the ‘Menu’ button on the Sony LCD TV remote control to quit the service mode when all adjustments have been completed.

After carrying out the service adjustments, to prevent the customer accessing the ‘Service Menu’ switch the TV set OFF and then back to switch ON.
3-2-2. Y signal AD calibration of CCPX decode.
(Also see 3-2-2(a))
1. Check “TIMING_INDEX”=5 (AV_CVBS_PAL).
2. Input 0 IRE black full field with burst.
3. Send “READ_PW_INPUT_Y” command from ECS.
4. Check that the detection value of “PW_INPUT_Y” is within the standard below.
5. Input 100 IRE white full field with burst.
6. Send “ADJUST_Y_LEVEL_VIDEO” command from ECS. The CP13_CVBS_Y_LEV registration of the video range is adjusted automatically by this command
Adjustment value is also copied in to the proper NVM area.
7. Check that the detection value of “PW_INPUT_Y” is within the standard below.

3-2-3. C signal AD calibration of CCPX decode. (Also see 3-2-3(a))
1. Check “TIMING_INDEX”=5 (AV_CVBS_PAL).
2. Input 0 IRE black full field with burst.
3. Send “READ_PW_INPUT_Y” command from ECS.
4. Check that the detection value of “PW_INPUT_Y” is within the standard below.
5. Input blue full field with burst.
6. Send “ ADJUST_C_LEVEL_VIDEO” command from ECS. i+ 5 +
(ON SCREEN (DIGIT 5) (VOLUME +) (TV) DISPLAY) TV I/
The CP14_CVBS_C_LEV registration of the video range is adjusted automatically by this command Adjustment value is also copied in to the proper NVM area.
7. Check that the detection value of “PW_INPUT_CB” is within the standard below.
8. Input red full field with burst.
9. Send “READ_PW_INPUT_CR” command from ECS.
10. Check that the detection value of “PW_INPUT_CR” is within the standard below.

3-2-1. Check AD (CCPX case) calibration registration items.(Also see 3-2-1(a) This adjustment is done using ECS.
1. Select AV1 and input PAL signal.
2. Change the TV Picture Mode to 1 (Custom).
3. Set the following registration items.
3-2-5. Y signal AD calibration of component input (Also see 3-2-5(a))

1. Check “TIMING_INDEX”=24 (Component/575i).
2. Input 0 IRE black full field. (No burst).
3. Send “READ_PW_INPUT_Y” command from ECS.
4. Check that the detection value of “PW_INPUT_Y” is within the standard below.
5. Input 100 IRE white full field with burst.
6. Send “ADJUST_Y_LEVEL_VIDEO” command from ECS.
The CP0A_CPNT_Y_LEV registration of the video range is adjusted automatically by this command Adjustment value is also copied in to the proper NVM area.
7. Check that the detection value of “PW_INPUT_Y” is within the standard below.

Service Menu Sony LCD TV

Sony LCD TV Service Menu

Photo credit : gopixpic.com

3-2-6. C signal AD calibration of component input (Also see 3-2-6(a))
1. Check “TIMING_INDEX”=24 (Component/575i).
2. Input 0 IRE black full field. (No burst).
3. Send “READ_PW_INPUT_CB” command from ECS.
4. Check that the detection value of “PW_INPUT_CB” is within the standard below.
5. Input blue full field with burst.
6. Send “ADJUST_C_LEVEL_VIDEO” command from ECS.
The CP0B_CPNT_C_LEV registration of the video range is adjusted automatically by this command
Adjustment value is also copied in to the proper NVM area.
7. Check that the detection value of “PW_INPUT_Y” is within the standard below.

Sony LCD TV Service Menu warning, Before you enter to factory mode to change any value on the factory service mode, please write down all the original factory settings.
tvservicemenu are not responsibility for any damage on your Sony LCD TV system, data error and unwanted effect after using our service code and information. Please call Service center to resolve your problem.