Wednesday, April 22, 2015

SANYO LED-32XR10FH LED-LCD TV SERVICE MODE AND POWER SUPPLY CIRCUIT

SANYO BLU RAY

SANYO  LED-32XR10FH 

LED-LCD TV 

SERVICE MODE AND POWER SUPPLY CIRCUIT 


SERVICE MODE
a) Press key “SOURCE” first, then press keys “2, 5, 8, 0” in turn to enter into initial factory menu;
b) Press keys “” and “” to move cursor to the item of factory menu;
c) Press keys “
” and “” to change the value when cursor is moved onto one item;
d) Press key “OK” to enter into the inferior factory menu from current menu page;
e) Press key “MENU” to exit current menu to its superior factory menu;
f) Press key “EXIT” to exit factory menu in any case;
g) Factory menu item: ADC ADJUST, for ADC calibration of RGB and YPBPR;
h) Factory menu item: W/B ADJUST, for white balance adjustment;
i) Factory menu item: POWER Mode, for setting power-on mode; the default setting is “Standby” mode unless specified by customer;
Standby: TV set will be in “standby” mode after power-on;
MEM: TV set will keep states before last power-off;
ForceOn: TV set will turn on automatically; it also can be used as aging mode at factory;
j) Factory menu item: Other Setting->ISP Mode, the item will not be kept in memory, that is, it will be always in “OFF” mode after turning on again;
ON”: Upgrading unit software through D-SUB port while connecting to ISP device; “OFF”: Normal DDC functions of D-SUB port will recover;
k) Factory menu item: EEPROM Init, for factory and customer data initialization; TV set will reset and initial guiding interface will display after executing the item;
l) Factory menu item: Fac. Channel Preset., for factory channels presetting; it is necessary to connect to central signal source before operating the item; now digital frequency of central signal CH28
529.5 MHz and CH33 564.5 MHz are distributed to Australia programs DVB-T; original preset digital programs will not change along with the modification of central signal, so please operate relevant item of menu “Channel” to search programs;
m) Factory menu item: Shipment, all analog & digital programs for factory adjustment will be cleared out first, then customer channels will be preset according to order requirements; the item must be executed before shipment to clear out channels for factory adjustment;
n) Factory menu item: Other Setting->MST DEBUG, default setting is “OFF”, it will not be kept in memory, that is, it will always in “OFF” mode after turning on TV set again; “OFF”: RS232 functions of some engineering machines can match design specifications; “ON”: It is convenient for design tools to debug the software;
o) Factory menu item: Backlight, for adjusting brightness of backlight; test voltage of 13-pin power socket while adjusting the item to make it greater than PWM voltage corresponding to mixture brightness described by panel specification; the item need not adjustment for it has been preset by software;
p) Factory menu item: Other Setting->SSC ADJUST, for expanded spectrum adjustment; the item need not adjustment for it has been preset by software
q) Factory menu item: Other Setting->AUDIO Curve Setting, for sound curve adjustment; if without special customer requirements, the item need not adjustment commonly for it has been preset by software;
r) Factory menu item: Software Update, for software upgrade from USB port; at any channel, insert USB memory device, select option “YES”, software will auto-search file “MERGE.bin” in USB memory device to begin upgrade; please execute item “EEPROM Init” before adjustment again, for old data still remain in E2PROM after software upgrade.
ADC calibration of analog component YPbPr
a) Switch to analog component YPbPr channel;
b) Press key “SOURCE”, then press keys “2, 5, 8, 0” in turn to enter into initial factory menu;
c) Move cursor to item “ADC ADJUST” and press key “OK” to enter into inferior factory menu;
d) Input analog component Y/Pb/Pr signal
VG848 Timing 972(1080i), Pattern 918(8 Color & 16 Grey) ; move cursor to item “MODE press keys “” and “” to select item “YPbPr then move cursor to item “AUTO ADC” and press key “OK” to begin auto-adjustment until prompt “Success” displays which means successful auto-calibration;
ADC calibration of analog RGB
a) Switch to analog RGB channel;
b) Press key “SOURCE”, then press keys “2, 5, 8, 0” in turn to enter into initial factory menu;
c) Move cursor to item “ADC ADJUST” and press key “OK” to enter into inferior factory menu;
d) Input analog RGB signal
VG848: Timing 856 1024×768/60 Hz , Pattern 914(Color Temp.); 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 auto-adjustment until prompt “Success” displays which means successful auto-calibration.
White balance adjustment
Unless specified by customer:
a)
26” models:
Default color temperature “Cool” is 10000K and its chromatic coordinates is (280, 288); color temperature “Normal” is 8000K and its chromatic coordinates is (295, 305); color temperature “Warm” is 6500K and its chromatic coordinates is (323, 329);
b) ≥ 26” models:
Default color temperature “Cool” is 12000K and its chromatic coordinates is (272, 278); color temperature “Normal” is 9300K and its chromatic coordinates is (285, 293); color temperature “Warm” is 6500K and its chromatic coordinates is (323, 329);
Adjustment procedure
TV set should be working over 30 mins to be in stabler state before white balance adjustment; Use white balance apparatus CA-210 and switch to its BBY channel;
a) Switch to HDMI1channel;
b) Press key “SOURCE”, then press keys “2, 5, 8, 0” in turn to enter into initial factory menu;
c) Move cursor to item “W/B ADJUST” and press key “OK” to enter into inferior factory menu;
d) Input HDMI signal (VG-848 Timing:856(1024×768/60 Hz)
Pattern:921(Gray 16 step(H)); move cursor to item “MODE”, press keys “” and “” to select item “HDMI1” or other HDMI channels, then move cursor to item “Temper..” and press keys “” and “” to select item “Normal”;
e) Fix item “G-GAIN”, adjust items “R-GAIN, B-GAIN” to set chromatic coordinates of 13th scale as the value of temperature “Normal”;
f) Fix item “G-OFFSET”, adjust items “R-OFFSET, B-OFFSET” to set chromatic coordinates of 4th scale as the value of temperature “Normal”;
g) During temperature “Normal” adjustment , make sure that chromatic coordinates errors of bright scale are (x±10, y±15) and chromatic coordinates errors of dark scale are (x±10,y±25);
h) Move cursor to item “COPY ALL” again to copy data of white balance to other channels;
i) Check if chromatic coordinates of “Cool” and “Warm” meet the requirements or not, if not, adjust items “R-GAIN/B-GAIN/R-OFFSET/B-OFFSET” to meet them: “Cool”: chromatic coordinates errors of bright scale are (x±5, y±15), chromatic coordinates errors of dark scale are (x±8, y±30); “Warm”: chromatic coordinates errors of bright & dark scales are both (x±10, y±10);
j) Check if chromatic coordinates of other channels meet the requirements, if not, adjust them respectively;
k) Check white balance of each channel by eye, check if the picture is normal;
l) Please refer to the adjusting rules as follows: B Gun: coordinates of X and Y will increase when B gun is adjusted downwards; coordinates of X and Y will decrease when B gun is adjusted upwards; R Gun: adjusting R gun will effect coordinate of X, and value of Lv slightly; coordinate of X will increase when R gun is adjusted upwards; coordinate of X will decrease when R gun is adjusted downwards; G Gun: adjusting G gun will effect coordinate of Y, and value of Lv greatly; coordinate of Y will increase when G gun is adjusted upwards; coordinate of Y will decrease when G gun is adjusted downwards.
Functions checkup
Analog & digital TV functions
Input central signal to RF port, enter into menu “CHANNEL”, then search channels automatically, check if there is any omitted channel, check if the output of speakers and the picture are normal.
Composite video of AV port
Input composite video signal to AV port, check if the picture and the sound are normal under the circumstances of power on/off, switching channel and format, etc.
Analog component YPbPr/YCbCr port
Input analog YPBPR signal from VG848 signal generator with YPBPR formats listed as Table 4 respectively, check if the picture and the sound are normal under the circumstances of power-on/off, switching channel and format, etc


Analog R, G, B port
Input analog RGB signal from VG-848 signal generator to VGA port with VGA signal formats listed in Table  respectively, check if the display and the sound are normal under the circumstances of power-on/off, switching channel and format, etc. if there is any H/V offset, enter into main menu and select items “PICTURE”->“Screen”->“Auto Ajust” in turn to make calibration automatically;

Digital HDMI port
Input HDMI signal from VG849 signal generator with the formats listed in respectively, check if the display and the sound (32 kHz, 44.1 kHz, 48 kHz) are normal under the circumstances of power-on, switching channels or formats, etc.

USB port
Media playing function
Insert USB memory containing files of picture, audio and video, check if the picture, the sound and other functions are normal;
PVR function
Insert formatted USB memory containing recorded-program files, press key “Rec. List” to select and play program, check if the picture, the sound and other functions are normal;
MUSIC port
Input audio signal, check if the sound is normal;
Other functions checkup
a) Check if composite video out of AV port, digital audio port, earphone jack, etc., are normal;
b) Check if the functions of LCN, OTA are normal;
User menu setup before shipment
Enter into “LOCK” user menu, input initial password “0000”, select item “Restore Factory Default” and then press key “OK” to make setup before shipment;
a) Clear out information of all programs;
b) Clear out information of program-lock, favorite programs, etc.;
c) Recover default analog parameters;

d) Set menu language as “English”;
e) Set power-on mode as “Standby”.
Method of software upgrading instructions
Factory software burned instructions listed as Table

Note 1: Method of write-protect setup: enter into burning interface of ALL-100, tick option “Config”, press item “config Setting”, set option “Protect” as “All Protect”; make sure that option “Config” must be ticked before burning software and write-protect must be reset after ALL-100 burning software is opened every time.
Note 2: Method of burning and upgrading software online by using ISP burning device:
a) For main board upgrade: connect 4-pin cable of ISP burning device to Debug port of main board (<26”: X404, ≥26”: X604); for unit upgrade, connect both D-SUB ports of ISP burning device and main board, enter into factory menu and set item “Other Settings->ISP Mode” as “ON”;
b) Using Mstar online burning program, enter into menu “Device”, tick option “WP Pin pull to high during ISP” to ensure that hardware write-protect of Flash is removed and erasing process is normal,
c) Press menu “Connect”, a dialog box “Device Type is XXX (XXX is corresponding type of SPI Flash)” will pop up, that is, connection has been successful, if connection is failed, press the first menu “Device” to select SPI Flash type manually, then press menu “Connect” again;
d) Press menu “Read”, select the burning file, such as “MERGE.bin”,
e) Press menu “Auto”, tick options “All chip”, “program” and relative option switches,  press key “Run” to begin burning;
f) Burning process has two steps: Erase and Program;
1) First, the step “Erasing…” will last for some time, or it is failed if it is passed by quickly, please confirm procedure 2 and begin burning process again;
2) Then the following step is “Programming…;
3) A prompt “Pass” will display at last;
g) A prompt “Pass” will display if burning process is successful,
h) If there are other machines to be burned, remain ISP burning interface and repeat procedures c to e only;
Note 3: Method of online burning and upgrade through USB:
a) Make sure that U disk is formatted as “FAT32”;
b) Copy firmware to U disk with name of “Merge.bin”;
c) Turn on the TV set, press key “SOURCE” first, then press keys “2, 5, 8, 0” in turn to enter into initial factory menu at any channel;
d) Enter into factory menu, select item “Software Update”, press key “OK”, a prompt “Are you sure?” will display, select option “Yes”, then software will auto-search file “MERGE.bin” in the USB memory to begin upgrade, detailed upgrading processes are below:
1) Read data from USB memory, a prompt “Unknown image type” will display if upgrading file is wrong;
2) If upgrading file is right, a prompt “Software upgrading...” and percent of upgrading progress will display, while indicated light is twinkling at the same time;
3) The unit will restart after upgrading processes has completed;
e) Restart the unit, enter into factory menu, confirm software parameters - version and time, then execute “EEPROM Init” to complete the whole upgrading processes;
f) USB burning method could not be sure to all kinds of U disks, so please try another U disk if one is inapplicable.
POWER SUPPLY CIRCUIT DIAGRAM 
CLICK ON THE IMAGE TO ZOOM IN