Thursday, August 27, 2015

HITACHI L32S02A SERVICE MODE AND POWER SUPPLY CIRCUIT

HITACHI L32S02A 

SERVICE MODE AND POWER SUPPLY CIRCUIT 

SERVICE MENU SETTINGS
All system, geometry and white balance alignments are performed in production service mode. Before starting the production mode alignments, make sure that all manual adjustments are done correctly.
To start production mode alignments enter the MENU by pressing “M” button and then press the digits 4, 7, 2 and 5 respectively.
There are 3 submenu in service menu. These are display, calibration and deinterlacer menus. Press “/” buttons to select a menu title and then “/” buttons to select a menu item and “/” or “OK”buttons to set the menu item to the desired option.
To exit the service menu press “M” button.
display menu
By pressing “
/” buttons select the first icon. display menu appears on the screen.
blank color
By pressing c/d button, select blank color. Press e/f button to set the blank color. The options are: black, red, green and blue.
panel
Displays panel resolution
power on time
Displays total working time of the set
backlight on time
Displays total backlight on time of the set.
scart prescale
By pressing c/d button, select scart prescaler. Press e/f button to set the scart prescaler. Scart prescale can be adjusted between 0 and 127.
nicam prescale
By pressing c/d button, select nicam prescaler. Press e/f button to set the nicam prescaler. Nicam prescale can be adjusted between 0 and 127.
fm/am prescale
By pressing c/d button, select fm/am prescaler. Press e/f button to set the fm/am prescaler. Fm/am prescale can be adjusted between 0 and 127.
subwoofer corner
By pressing c/d button, select subwoofer corner. Press e/f button to set the subwoofer corner. Subwoofer corner can be adjusted between 0 and 7.
subwoofer level
By pressing c/d button, select subwoofer level. Press e/f button to set the subwoofer level. Subwoofer level can be adjusted between 0 and 32.
agc adjustment
Adjustment for automatic gain control of tuner. By pressing c/d button, select agc adjustment. Press e/f button to set the agc adjustment. Agc adjustment can be adjusted between 0 and 31.

POWER SUPPLY CIRCUIT 
CLICK ON THE IMAGE TO ZOOM IN
calibration menu
By pressing “
/” buttons select the second icon. calibration menu appears on the screen.
color temp
By pressing c/d button, select color temp. Press e/f button to set the color temperature. The options are: 5500K, 6500K, 7500K, 9300K and user.
user color temp
By pressing c/d button, select user color temp. Press f button to increase the user color temperature. Press e button to decrease the user color temperature. User color temperature can be adjusted between 5000K and 9300K.
video format
By pressing c/d button, select video format. Press e/f button to set the video format. The options are: auto, ntsc, pal, secam and ntsc japan.
color space
Displays the current color space used. RGB, YPbPr SMPTE240, YPbPr REC709 and YCbCr REC601.
test pattern
By pressing c/d button, select test pattern. Press e/f button to set the test pattern. The options are: none, solid color and vert bars.
color components
By pressing c/d button, select color components. Press e/f button to set the color components. The options are: all, red, green and blue.
solid field level
By pressing c/d button, select solid field level. Press f button to increase or e button to decrease the solid field level. Solid field level can be adjusted between 0 and 64.
adc calibration
Not used for this model.
initial APS
By pressing c/d button, select initial APS. Initial aps is selected on or off. If initial aps is wanted on startup, this item should be made on.
factory reset
By pressing c/d button, select factory reset. Press “OK” button to return to the factory setting values.
Deinterlacer menu
By pressing “
/” buttons select the third icon. deinterlacer menu appears on the screen.
blank expansion
By pressing c/d button, select blank expansion. Blank expantion can be set to on or off by pressing e/f button.
dcti
Digital colour transition improvement: By pressing c/d button, select dcti. DCTI can be adjusted between 0 and 255 by pressing e/f button.
dlti
Digitial luma transition improvement: By pressing c/d button, select dlti. DLTI can be adjusted between 0 and 255 by pressing e/f button.
luminance peaking
By pressing c/d button, select luminance peaking. Luminance peaking can be set to on or off by pressing e/f button.
film mode
By pressing c/d button, select film mode. Film mode speed can be set to on or off by pressing e/f button.
film mode speed
By pressing c/d button, select film mode speed. Film mode speed can be set to 0, 1, 2 or 3 by pressing e/f button.
vof
video on film. By pressing c/d button, select vof. VOF can be set to on or off by pressing e/f button.
bad cut
By pressing c/d button, select vof. Bad cut can be set to on or off by pressing e/f button.
nr threshold
By pressing c/d button, select nr threshold. Nr threshold can be set to low or high by pressing e/f button.
noise reduction
By pressing c/d button, select noise reduction. Noise reduction can be adjusted between 0 and 255 by pressing e/f button.
lai level
By pressing c/d button, select lai level. Lai level can be set to 0, 1 or 2 by pressing e/f button.
sharpness
By pressing c/d button, select sharpness. Sharpness can be adjusted between 0 and 255 by pressing e/f button.
sparkle
By pressing c/d button, select sparkle. Sparkle can be adjusted between 0 and 255 by pressing e/f button
.