Sunday, August 23, 2015

SANYO LCD-42CA8Z SERVICE MODE

SANYO BLU RAY

SANYO LCD-42CA8


SREVICE MODE

On-screen Service Menu System
 How to enter the Service Menu
1. Press MENU button on SIDE controls, MENU will display.
2. Press and hold MUNE button on SIDE controls and press “1” button on remote controls. SERVICE 
MENU will display.
How to select the service section and service item and change data value:
To select service section: Press the Cursor 
or  button on the remote control hand set, and press the OK button to enter the SUB menu.
To change data value: Select service item by pressing the Cursor 
or  button , and change data value by pressing the Cursor or  button.
Exit from the service menu
Press the MENU button repeatedly or turn off the TV set by pressing the POWER ON/OFF button.
White Balance Adjustment
How to adjust White Balance Adjustment
1. Input a white pattern(80%) to the composite input terminal.
2. Set the television to following conditions:
Picture mode: standard
Colour temperature: normal
Pre-heading time: more than 10 minutes
3. Enter the service mode, and select item 291with 
 or  key.
Select RGB with 
 or  key.
Press 
◄► to adjust the value of RGB until the white balance R, G,B is all 85h.
3. After adjustment, confirm white balance again by normal picture.
ADC Adjustment
Note:
 Because White Balance Adjustment will be changed when adjusting ADC. After adjusting ADC, please reset
White Balance Adjustment.
How to adjust ADC
1.Recive 100% COLOUR BAR from AV1.
2. Enter to SERVICE MODE.
3. Remove the cursor from [Source] to [Properties]. And then select "ADC Calibration", press OK button.
4. Wait for about 15 seconds until the adjustment is finished. Then press MENU button to exit.
VCO Adjustment
How to adjust VCO
1. Receive PAL color bar pattern.(ANT input level:58dbuv 75ohms terminated)
2. Connect a digital volt meter to VCO level terminal(TP-VCO) and the ground.
3. Adjust T202, until the volt is 3.6±0.2v DC
AGC Adjustment
How to adjust AGC
1. Receive PAL color bar pattern.(ANT input level:58dbuv 75ohms terminated)
2. Connect a digital volt meter to tuner-AGC terminal(TP-A) and the ground.
3. Adjust the variable resistance VR202, until the volt is 3.2±0.2v DC.