Thursday, October 29, 2015

SANYO LCD-22XR9DKH SERVICE MODE AND POWER SUPPLY CIRCUIT

SANYO BLU RAY

SANYO LCD-22XR9DKH 

SERVICE MODE AND POWER SUPPLY CIRCUIT 

Alignment instruction
Unit adjustment
According to the wiring diagram specified by product specification, connect power board,
digital board, IR/key board and backlight board correctly; then power on and check if the
display is normal.
Using method of factory menu
a) First press key “SOURCE”
then press number key “2,5,8,0” in turn to enter into initial factory menu;
b) Press keys “
” and “” can move cursor to each page of initial factory menu, then press key “OK” to enter into adjustment menu of each page;
c) Press keys “
” and “” can move cursor upwards and downwards within one adjustmentpage;
d) Move cursor to one adjustment item, then press keys “
” and “” can adjust it;
e) Press key “MENU” can exit adjustment menu of one page to its superior factory menu;
f) Press key “EXIT” can exit factory menu at any time;
g) Press key “OK” can enter into inferior factory menu;
h) Factory menu item “ADC Calibrate” is used to correct ADC of VGA Component channel;
i) Factory menu item “W/B ADJUST” is used to adjust white balance;
j) Factory menu item “POWER MODE” is used to set power-on mode, “Standby” means the set
will be in Standby state after power-on; “ Memory ” means the set will in the last power-offstate after power-on ; “ForceOn” means the set will be working automatically after power-on ,the mode is also used for factory-machine-aging; default setting should be “Standby” modeunless specified by customer requirement;
k) Factory menu item “ISP MODE” is used to upgraded unit software from VGA port when the item is set as “ON” and the set is connected to ISP adjustment equipment; DDC function of VGA port will be recovered when the item is set as “OFF”; the value of the item can not be kept in the memory, that is to say the item is reset as “OFF” after power-on again;
l) Factory menu item “RESET ALL” is used to reset factory menu data and user menu data; execute the item then the set will be started up again and the startup guided picture will be displayed also;
m) Factory menu item “FACTORY CHANNEL PRESET” is used to preset factory programs data; it is necessary to connect to central signal source for DTV searching programs. Now digital frequency of central signal CH40(626 MHz) is distributed to HK DTMB programs. Primary preset programs would not be modified along with the changing of central signals, so please select item “DTV Manual Tuning” in menu Channel to manual search digital programs, the process will spend about 15s;
n) Factory menu item “CUSTOM CHANNEL PRESET” : first delete all DTV/ATV programs for factory adjustment, then preset DTV/ATV channel data according to customer order requirements; please execute the item to clear out all programs for factory adjustment before leaving factory;
o) Factory menu item “MST DEBUG”: Default is “OFF”. Engineering sample with RS-232 functions matches the design specifations when the item is set as “OFF”; It’s convenient to adjust with equipment when it’s set as “ON”. The value of the item can not be kept in the memory, that is to say the item is reset as “OFF” after power-on again;
p) Factory menu item “BACKLIGHT” is used to adjust backlight brightness, test voltage of 13-pin power socket and adjust the item to meet the requirement of maximum PWM voltage in panel specification; the software having been preset according to model need not be adjusted;
q) Factory menu item “SSC ADJUST” is used to adjust expended functions of frequency content, the software having been preset according to model need not be adjusted;
r) Factory menu item “Others”-> “Audio curve” is used to adjust volume curve; the software having been preset according to model need not be adjusted unless special customer requirements;
s) Factory menu item “Software upgrade” is used to upgrade USB, after select confirm the software will search AP.bin stored in USB device to upgrade at any channel ; If the software has been upgraded or E2PROM has data, please select and execute operation “RESET ALL” before adjustment for the first time.
ADC correction of Component channel YPbPr
a) Switch to Component channel;
b) Press key “SOURCE
then press number keys “2,5,8,0” to enter into initial factory menu;
c) Move cursor to item “ADC Calibrate” and press key “OK” to enter into interior factory menu;
d) Input Component signal (VG-848 Timing:969(PAL)
Pattern:918 100% color bar), move cursor to item “MODE” press keys “” and “” to select item “YPbPr SD ”  then move
cursor to item “AUTO ADC” and press key “OK” to begin adjustment automatically until a
prompt “success” for adjustment completion is displayed;
e) Input Component signal (VG-848 Timing:972(1080i)
Pattern:918 100% color bar), move cursor to item “MODE” press keys “” and “” to select item “YPbPr HD ”, then move cursor to item “AUTO ADC” and press key “OK” to begin adjustment automatically until a prompt “success” for adjustment completion is displayed.
ADC correction of RGB channel
a) Switch to RGB channel (D-SUB channel);
b) Press key “SOURCE”, then press number keys “2,5,8,0” to enter into initial factory menu;
c) Move cursor to item “ADC Calibrate” and press key “OK” to enter into interior factory menu;
d) Input RGB signal (VG-848 Timing:856(1024×768/60 Hz)
Pattern:920 8 step Gray), move cursor to item “MODE press keys “” and “” to select item “RGB”, then move cursor to item “AUTO ADC” and press key “OK” to begin adjustment automatically until a prompt “success” for adjustment completion is displayed.
White balance adjustment
Unless specified by customer, default COOL color temperature is 12000K, chromaticity coordinates is (272,278); default Standard color temperature is 9300K, chromaticity coordinates is(285,293); default Warm color temperature is 6500K, chromaticity coordinates is (313,329).
White balance adjustment processes
The set should be working above 30 minutes before white balance adjustment for it would be in a stabler state. Use white balance apparatus CA-210 and switch to its BBY channel.(19” for example)
a) Switch to HDMI channel

b) Press key “SOURCE”, then press number keys “2,5,8,0” in turn to enter into initial factory menu;
c) Move to item “W/B ADJUST” and press key “OK” to enter into interior factory menu;
d) Input HDMI signal (VG-848 Timing: 856(1024×768/60 Hz)
Pattern:921 16 step Gray), move cursor to item “MODE”, press keys “” and “” to select item “HDMI”, then move cursor to item “TEMPERTURE”, press keys “” and “” to select item “COOL
e) Fix item “G GAIN”, adjust item “R GAIN,B GAIN” to set chromaticity coordinates of the 13th step is (272,278)

f) Fix item “G OFFSET”, adjust item “R OFFSET,B OFFSET” to set chromaticity coordinates of the 4th step is (272,278)

g) During adjustment , make sure that color temperature of bright step is (X=272±5,Y=278±15) and color temperature of dark step is (X=272±8,Y=278±30);
h) Then move cursor to item “COPY ALL” to copy white balance data to the other channels;
i) Check if color temperature of STANDARD and WARM meet requirements as below: STANDARD: allowable error of bright step is (X±10, Y±15), allowable error of dark step is (X±10,Y±25); WARM: allowable error of bright and dark step are both (X±10,Y±10); otherwise adjust items “R_GAIN /B_GAIN/R_OFFSET/B_OFFSET” to meet requirements and then save data;
j) Check if the white balance of the other channels meet the requirements, if not, adjust the data and save separately.
k) Check if the picture of every channel is normal after adjustment;
l) Adjustment rules for reference as below:
adjust B gun: adjust B gun value downwards , then coordinates of X
Y will rise;
adjust B gun value upwards , then coordinates of X
Y will descent;
adjust R gun will effect the coordinate of X and the value of Lv a little:
adjust R gun value upwards , then coordinate of X will rise;
adjust R gun value downwards , then coordinate of X will descent;
adjust G gun will effect the coordinate of Y and the value of Lv a lot:
adjust G gun value upwards , then coordinate of Y will rise;
adjust G gun value downwards , then coordinate of Y will descent;
USB port
Connect the USB device with picture, sound and video documents and check if the picture, sound and functions are normal.
Other functions check
a) Check if the functions are normal -timing turn-on/off
sleeping turn-off ,picture/sound mode ,OSD ,stereo and digital audio interface, etc.;
b) Check if Audio Only digital programs are normal;
c) Check if function of logic channel number (LCN) is normal;
User menu setup before leaving factory
Enter into page “LOCK” of user menu and iput the initial password “0000 “, select submenu “Restore Factory Default” then press “OK“ to preset items before leaving factory as below:
a) Clear out all programs information;
b) Clear out information of block program and favorite channels;
c) Default setup of user analog data;
d) Set Menu Language as Chinese;
e) Set Power on MODE as Standby.
Instruction of factory software burning
Note 1: Write-protect setup method
Enter into interface of burning program ALL-100, select item “Config”, press item “config Setting”, set item “Protect” as “All Protect”. Be sure to select item “Config” before burning software, and write-protect must be re-set after burning program ALL-100 startup every time.
Note 2: Burning and upgrading software method with burning tool ISP
1
Main board upgrading: connect 4-core line of burning tool ISP to Debug port location No. XM04 for below 26” and No. X505 for 26” and above of main board; Unit upgrading: connect both VGA ports between burning tool ISP and main board, then enter into factory menu and set item “ISP Mode” as “ON”;
2
Use on-line burning tool of Mstar, enter into menu “Device”, select item “WP Pin pull to high during ISP” as  to make sure hardware write-protect of Flash is canceled and the erasing process will be normal;
3) Select menu “Connect”, a dialog “Device Type is MX25L12805D” will be displayed to show succeeding in connecting. If failing to connecting, select the first menu “Device” and manual select item “MX25L1280D”, then press key “Connect”.
4) Press key “Read select burning file
5) Select menu “Auto”, then select items “All chip”, “program” and other switches
6) Press key “Run” to begin burning software, there are two steps for the process: Erase and Program, normal burning processes are as follows:
the first course “Erasing…, Flash Status :03” will be lasting for a moment, otherwise skipping over means unsuccessful erasing; please confirm process (2) and then burn software again; the following course “Programming… , Flash Status :00” will be done until a prompt “Pass” is
 7) A prompt “Pass” will be displayed beside the key “Run” for successful burning as
8) Need not exit from ISP burning interface and only repeat the process 3) and 5)to go on burning software for other sets.
Note 3: On-line burning and upgrading method from a USB port
1
Be sure to format a USB disk as FAT32;
2
Copy program file to the USB disk with the name “AP.bin”;
3
Power on, press key “SOURCE” and number keys “2, 5, 8, 0” in turn to enter into initial factory menu;
4
Enter into factory menu item “software upgrade”, select “confirm” to search AP.bin stored in
USB disk automatically to upgrade the software; upgrade progress is below:
A,Reading USB disk,a prompt “ Searching USB” will be displayed and an USB disk indicator light twinkling ;
B,Burning Flash, prompts “Updating! Please don’t power off!!!” and “upgrading schedule” will be displayed at the same time, after the burning process completed the set will re-start automatically.
5
Start up the set again, enter into factory menu to confirm software version and time parameters; then execute “RESET ALL” to complete the whole burning process.
6
Method of burning from USB could not be sure to be suitable for all kinds of USB disks, so please try other USB disks if necessary.
POWER SUPPLY CIRCUIT 
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