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 adjustment page;
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-off state 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” mode unless 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 ADJUST”: Default is “OFF”. Engineering sample with RS-232 functions matches the design specialisations 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 “BACK-LIGHT” is used to adjust back-light 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 EEPROM 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”, and press keys “▲” and “▼” to select item “YPbPr（ SD) ”, then move cursor to item “AUTO ADC” and then 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 colour temperature is 12000K, chromatically coordinates is (272 278) default Standard colour temperature is 9300K, chromatically
coordinates are (285 293) default Warm colour temperature is 6500K, chromatically coordinates is (323 329 )
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 LCD 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 “TEMPERATURE”, press keys “▲” and “▼” to select item “Standard”；
e) Fix item “G GAIN”, adjust item “R GAIN, B GAIN” to set chromatically coordinates of the 13th step is (285 293)；
f) Fix item “G OFFSET”, adjust item “R OFFSET, B OFFSET” to set chromatically coordinates of the 4th step is (285 293).
g) During adjustment , make sure that colour temperature of bright step is (X=285±10,Y=293±15) and colour temperature of dark step is (X=285±10,Y=293±25);
h) Then move cursor to item “COPY ALL” to copy white balance data to the other channels;
i) Check if colour temperature of COOL and WARM meet requirements as below:
COOL: allowable error of bright step is (X±5, Y±15), allowable error of dark step is (X±8,Y±30);
WARM: allowable error of bright and dark step are both (X±10,Y±10);
otherwise adjust items “R_GAIN /B_GAIN/R_OFF/B_OFF” 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
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;
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 colour temperature is 12000K, chromatically coordinates is (272 278) default Standard colour temperature is 9300K, chromatically
coordinates are (285 293) default Warm colour temperature is 6500K, chromatically coordinates is (323 329 )
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 LCD 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 “TEMPERATURE”, press keys “▲” and “▼” to select item “Standard”；
e) Fix item “G GAIN”, adjust item “R GAIN, B GAIN” to set chromatically coordinates of the 13th step is (285 293)；
f) Fix item “G OFFSET”, adjust item “R OFFSET, B OFFSET” to set chromatically coordinates of the 4th step is (285 293).
g) During adjustment , make sure that colour temperature of bright step is (X=285±10,Y=293±15) and colour temperature of dark step is (X=285±10,Y=293±25);
h) Then move cursor to item “COPY ALL” to copy white balance data to the other channels;
i) Check if colour temperature of COOL and WARM meet requirements as below:
COOL: allowable error of bright step is (X±5, Y±15), allowable error of dark step is (X±8,Y±30);
WARM: allowable error of bright and dark step are both (X±10,Y±10);
otherwise adjust items “R_GAIN /B_GAIN/R_OFF/B_OFF” 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
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;
Performance check
TV functions
Connect RF port to central signal source, first enter into menu Channel, then search programs automatically, check if there is any omitted program of ATV, DTV, check if the output of speakers is normal, check if the picture is normal.
Composite AV or Y/C ports
Input AV signal or Y/C separate S-Video signal, check if the picture and the sound are normal under the circumstances of power-on, switching channel, switching signal format, etc.)
Component port (Y, Pb, Pr)
Input Component signal from signal generator VG-848 with the formats as Table respectively, check if the display and the sound are normal under the circumstances of power-on/off, switching channel, switching signal format, etc.
TV functions
Connect RF port to central signal source, first enter into menu Channel, then search programs automatically, check if there is any omitted program of ATV, DTV, check if the output of speakers is normal, check if the picture is normal.
Composite AV or Y/C ports
Input AV signal or Y/C separate S-Video signal, check if the picture and the sound are normal under the circumstances of power-on, switching channel, switching signal format, etc.)
Component port (Y, Pb, Pr)
Input Component signal from signal generator VG-848 with the formats as Table respectively, check if the display and the sound are normal under the circumstances of power-on/off, switching channel, switching signal format, etc.
User menu setup before leaving factory
Enter into page “LOCK” of user menu and input the initial password (0 0 0 0) , select sub-menu “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 favourite channels;
c) Default setup of user analogue data;
d) Set Menu Language as Chinese;
e) Set Power on MODE as Standby.
Enter into page “LOCK” of user menu and input the initial password (0 0 0 0) , select sub-menu “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 favourite channels;
c) Default setup of user analogue data;
d) Set Menu Language as Chinese;
e) Set Power on MODE as Standby.
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) the 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 Fig to make sure hardware write-protect of Flash is canceled and the erasing process will be normal;
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) the 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 Fig 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 as Fig 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 (for example MERGE.bin)
as Fig.
5) Select menu “Auto”, then select items “All chip”,
“program” and other switches as Fig.
6) Press key “Run” as Fig to begin burning software,
there are two steps for the process: Erase and Program, normal
burning processes are as follows:
the first course “Erasing…” 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…” will be done until a prompt “Pass” is displayed.
the first course “Erasing…” 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…” will be done until a prompt “Pass” is displayed.
7) A prompt “Pass” will be displayed beside the key “Run”
for successful burning as Fig.
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 try other USB disks if necessary.
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 try other USB disks if necessary.
SMPS Schematic
Working principle of the unit
1. PAL/SECAM signal flow
PAL/SECAM signal from antenna is inputted into TUNER FQD1116 which is an analog-digital-integrative model, the RF signal is demodulated by the TUNER, then CVBS signal and audio difference IF signal SIF are outputted. TUNER FQD1116 is controlled by main chip MSD209 through I2C bus.
TV CVBS signal is inputted into main chip MSD209 directly to be processed by modules “VIDEO DECODER, DEINTERLACE , VIDEO PROCESS and SCALER”, then LVDS signal is outputted to drive LCD panel.
SIF audio signal is inputted into main chip MSD209 directly and processed by modules of demodulation, pre-amplification, acoustic effect processing and volume control, then the audio signal are inputted into earphone amplifiers BH3547F to be amplified and then be divided to two signals, one is outputted to earphone jack, the other is inputted into D class audio power amplifier R2A15112FP to be amplified and then be outputted to speakers.
2. DTMB signal flow
DTMB signal from antenna is inputted into TUNER FQD1116 to be lower frequency convterted, then different IFsignal is outputted to demodulating chip LGS-8G42 to be demodulated and then be inputted into main chip MSD209 with format of standard serial or parallel transport stream for de-multiplying and decoding.
Video route: de-multiplex digital video signal is decoded and vidio processed by main chip MSD209 and then output LVDS signal to drive the panel.
Audio route: de-multiplex digital audio signal is decoded and audio processed by MSD209, then output dual-track (stereo) analog audio signal. via MSD209 pre-amplifying, sound processing and volumn control, the signal is sent into earphone amplifier BH3547 to be amplified, then output two ways ;
one way is sent to earphone jack directly, the other is inputted into class-D audio power amplifier R2A15112FP to be amplified and then outputted to speakers.
3. AV input signal flow
AV video signal is inputted into main chip MSD209 directly and processed by modules of “VIDEO DECODER, DEINTERLACE, VIDEO PROCESS and SCALER”, then LVDS signal is outputted to drive LCD panel.
AV audio signal is processed by circuits of “voltage divided, impedance matching and alternating-current coupling”, then inputted into main chip MSD209 directly for acoustic process and volume control, then inputted into earphone amplifier BH3547F to be amplified, now the audio signal is divided into two ways, one is outputted to earphone jack directly, the other is inputted into class-D audio power amplifier R2A15112FP to be amplified and then outputted to speakers.
4. D-SUB/YPbPr signal flow
D-SUB, YPbPr video signal inputted into main chip MSD209 to be processed by modules of “A/D transform, video decode, deinterlace, video process and scaler”, then LVDS signal is outputted to drive LCD panel.
D-SUB, YPbPr audio signal is processed by circuits of “voltage divided, impedance matching and alternating-current coupling”, then inputted into main chip MSD209 directly for acoustic process and volume control, afterwards the audio signal is inputted into earphone amplifier BH3547F directly to be amplified, now the audio signal is divided into two ways, one is outputted to earphone jack directly, the other is inputted into class-D audio power amplifier R2A15112FP to be amplified and then outputted to speakers.
5. HDMI signal flow
HDMI video signal inputted into main chip MSD209 to be processed by modules of “video decode, video process and scaler”, then LVDS signal is outputted to drive LCD panel.
HDMI audio signal is inputted into main chip MSD209 directly for sound process, pre-amplify, acoustic process and volume control, then the audio signal is inputted into earphone amplifier BH3547F directly to be amplified, now the audio signal is divided into two ways, one is outputted to earphone jack directly, the other is inputted into class-D audio power amplifier R2A15112FP to be amplified and then outputted to speakers.
6. AV output signal flow
The present video signal is outputted after processed by MSD209 modules of decoding circuit and peripheral video amplifying circuit. The present audio signal is processed by MSD209 modules of pre-amplification, acoustic effect processing and volume control, then sent to operational amplifier amplify and output.
7. SPDIF signal flow
The present audio signal is outputted after processed by MSD209 modules of acoustic effect processing, volume control and digital sound decode.
1. PAL/SECAM signal flow
PAL/SECAM signal from antenna is inputted into TUNER FQD1116 which is an analog-digital-integrative model, the RF signal is demodulated by the TUNER, then CVBS signal and audio difference IF signal SIF are outputted. TUNER FQD1116 is controlled by main chip MSD209 through I2C bus.
TV CVBS signal is inputted into main chip MSD209 directly to be processed by modules “VIDEO DECODER, DEINTERLACE , VIDEO PROCESS and SCALER”, then LVDS signal is outputted to drive LCD panel.
SIF audio signal is inputted into main chip MSD209 directly and processed by modules of demodulation, pre-amplification, acoustic effect processing and volume control, then the audio signal are inputted into earphone amplifiers BH3547F to be amplified and then be divided to two signals, one is outputted to earphone jack, the other is inputted into D class audio power amplifier R2A15112FP to be amplified and then be outputted to speakers.
2. DTMB signal flow
DTMB signal from antenna is inputted into TUNER FQD1116 to be lower frequency convterted, then different IFsignal is outputted to demodulating chip LGS-8G42 to be demodulated and then be inputted into main chip MSD209 with format of standard serial or parallel transport stream for de-multiplying and decoding.
Video route: de-multiplex digital video signal is decoded and vidio processed by main chip MSD209 and then output LVDS signal to drive the panel.
Audio route: de-multiplex digital audio signal is decoded and audio processed by MSD209, then output dual-track (stereo) analog audio signal. via MSD209 pre-amplifying, sound processing and volumn control, the signal is sent into earphone amplifier BH3547 to be amplified, then output two ways ;
one way is sent to earphone jack directly, the other is inputted into class-D audio power amplifier R2A15112FP to be amplified and then outputted to speakers.
3. AV input signal flow
AV video signal is inputted into main chip MSD209 directly and processed by modules of “VIDEO DECODER, DEINTERLACE, VIDEO PROCESS and SCALER”, then LVDS signal is outputted to drive LCD panel.
AV audio signal is processed by circuits of “voltage divided, impedance matching and alternating-current coupling”, then inputted into main chip MSD209 directly for acoustic process and volume control, then inputted into earphone amplifier BH3547F to be amplified, now the audio signal is divided into two ways, one is outputted to earphone jack directly, the other is inputted into class-D audio power amplifier R2A15112FP to be amplified and then outputted to speakers.
4. D-SUB/YPbPr signal flow
D-SUB, YPbPr video signal inputted into main chip MSD209 to be processed by modules of “A/D transform, video decode, deinterlace, video process and scaler”, then LVDS signal is outputted to drive LCD panel.
D-SUB, YPbPr audio signal is processed by circuits of “voltage divided, impedance matching and alternating-current coupling”, then inputted into main chip MSD209 directly for acoustic process and volume control, afterwards the audio signal is inputted into earphone amplifier BH3547F directly to be amplified, now the audio signal is divided into two ways, one is outputted to earphone jack directly, the other is inputted into class-D audio power amplifier R2A15112FP to be amplified and then outputted to speakers.
5. HDMI signal flow
HDMI video signal inputted into main chip MSD209 to be processed by modules of “video decode, video process and scaler”, then LVDS signal is outputted to drive LCD panel.
HDMI audio signal is inputted into main chip MSD209 directly for sound process, pre-amplify, acoustic process and volume control, then the audio signal is inputted into earphone amplifier BH3547F directly to be amplified, now the audio signal is divided into two ways, one is outputted to earphone jack directly, the other is inputted into class-D audio power amplifier R2A15112FP to be amplified and then outputted to speakers.
6. AV output signal flow
The present video signal is outputted after processed by MSD209 modules of decoding circuit and peripheral video amplifying circuit. The present audio signal is processed by MSD209 modules of pre-amplification, acoustic effect processing and volume control, then sent to operational amplifier amplify and output.
7. SPDIF signal flow
The present audio signal is outputted after processed by MSD209 modules of acoustic effect processing, volume control and digital sound decode.
