Thursday, February 19, 2015

SERVICE MODE OF SANYO LCD-32XH8T + LCD-32XF8T + POWERS SUPPLY CIRCUIT

SANYO BLU RAY

 SANYO LCD-32XH8T/ LCD32XF8

LCD TV 

SERVICE MODE POWERS SUPPLY CIRCUIT 

Service Menu System
Quick operation is needed to enter Service Mode.
How to enter the Service Menu
1. Press the INPUT button on Side Controls or on the remote control.
2.
Press the numeric buttons "2", "5", "8", "0"  orderly on the remote control, and the Service Mode will be displayed.
How to select the service item and adjust data:
With the menu, press , , or button to navigate through the options or adjust an option.
Press ENTER button to confirm a selection or entera sub-menu.
Press BACK button to return to previous layer menu.
To exit service mode
Press MENU button to exit service mode
Setting the Initial data
This adjustment is controlled by the CPU (IC5501) through the IIC Bus Data Line in the chassis, and those adjustment data are memorized the memory IC (IC5601, IC5602). Therefore, Main board or the memory IC (IC5601, IC5602) is replaced, these data will be disappeared. Readjust should be made. Initial data is provided in the CPU ROM, when the memory IC (IC5601, IC5602) is replaced with new one. CPU ROM data is loaded into the memory. Initial data is provided to operating the monitor basically. For operating the monitor quality performance, further adjustment is required following chassis electrical adjustment.
1. Enter the Service Mode, and select NVM Initial.
 Enter the Service Mode. Select "SPECIAL SET" by pressing
or button, then press ENTER button to enter SPECIAL SET menu.
With the menu, press
▲▼ buttons to select NVM Initial, then press ENTER button,
after NVM initial operation is finished, please exit the menu. Disconnect the AC power supply and reconnect it, then all the data will return to factory default settings.
(Note: After executed reset function, ADC ADJUST and W/B ADJUST should be readjusted. Please enter Service Mode to adjust data.)
2. Enter the Service Mode, and select ADC ADJUST / W/B ADJUST to adjust the data

 ADC ADJUST
1. Enter the Service Mode.
2. Select "ADC ADJUST" by pressing
or button, then press ENTER button to enter ADC ADJUST menu.
3. Press or button to select "MODE" item, press or button to select RGB, YPbPr(SD) or YPbPr(HD).

 RGB
(1). For VGA source, the signal should be 1024x768@60Hz and the pattern should be ANSI Pattern (C).
(2). Enter the Enter the ADC ADJUST menu. Press
or button to select "MODE" item.
(3). Press
or button to select RGB.
(4). Press
or button to select AUTO ADC item, then press ENTER button.
YPbPr (SD)
(1). For YPbPr(SD) source, the signal should be 480i and the pattern is 100%, 8 STEP COLOR BAR.
(2). Enter theEnter the ADC ADJUST menu. Press
or button to select "MODE" item.
(3). Press
or button to select YPbPr (SD).
(4). Press
or button to select AUTO ADC item, then press ENTER button.
YPbPr (HD)
(1). For YPbPr(HD) source, the signal should be 1920X1080i@60Hz and the pattern is 100%, 8 STEP COLOR BAR.
(2). Enter theEnter the ADC ADJUST menu. Press
or button to select "MODE" item.
(3). Press
or button to select YPbPr (HD).
(4). Press
or button to select AUTO ADC item, then press ENTER button.
4. Exit the Service Mode.
Wait for about several seconds until AUTO ADC adjust completed. Then press MENU button to exit.
W/B ADJUST
Pattern
PAL-N White 80%.
Condition
Picture Mode: STANDARD
Color Temperature: NORMAL
Aging Time: More than 10 minutes
Adjustment
1. Enter the Service Mode.
2. Select "W/B ADJUST" by pressing
or button, then press ENTER button to enter W/B ADJUST menu.
3. Press or button to select RED, GREEN or BLUE, then press or button to adjust data. Or you can adjust values by simply pressing numeric buttons on the remote control. To adjust RED: Press 1 (data value up) and 4 (data value down). To adjust GREEN: Press 2 (data value up) and 5 (data value down). To adjust BLUE: Press 3 (data value up) and 6 (data value down).
4. Exit the Service Mode.
After adjustment, confirm white balance again by normal picture.
Note: • Maybe BASE data for each TV set is different. And the items are for factory setting and Service Centre.
• If you want to adjust any item, please consult qualified service personnel.

POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN

POWER BOARD LAYOUT