Wednesday, August 12, 2015

SANYO LCE32FX LED TV – HISENSE MSD309PX – Service Mode – Software Update – Power and Back-light Inverter Schematic

SANYO LCE32FX LED TV [PAL - NTSC]HISENSE MSD309PX [PAL - NTSC]  – Service Mode – Software Update – Power and Back-light Inverter Circuit Diagram - SMPS voltage outputs
USED ICS - NCP1271 SMPS CONTROLLER – OZ9902 BACK-LIGHT INVERTER CONTROLLER
HOW TO ENTER FACTORY (SERVICE) MODE
With factory RC (remote control)
1. Press “M” button and enter factory mode.
2. Press “Menu” button and enter factory OSD menu.
3. Press “CH+”/“CH-” button select the function menu, press “VOL+”/“VOL-” enter the selected function menu. Press “VOL+”/“VOL-” button adjust values in the menu.
4. Press “M” button to exit factory mode in the factory OSD menu. When TV outgoing factory, user cannot enter factory OSD menu with Factory Remote
Note: In the “Factory Menu”, item “Function”>”TOFAC” ,you can select “M” or “U”, default is “U”.
> M-Means you can enter factory mode with factory RC or user RC.
>> U-Means you can enter factory mode only with user’s RC. 2. Mode “M” is only used for factory production.
With user’s RC
Power on the TV.
1. Press “Menu” button and call up User OSD Menu.
2. Select“ Sound” Menu > “Balance” item.
3. Press number key 1> 9 > 6 > 9 in sequence when “Balance” item is focused.
If necessary, re-do number keys.
4. Factory OSD appears.
Press the standby button then AC turn off and restart the TV, which can exit factory OSD menu.
Software can update with USB device
1. Copy the “*.BIN” file such as “MERGE.BIN” to the root directory of a USB disk.
2. Insert the USB disk into the USB slot of the TV SET.
3. Press “Menu” button and call up User OSD Menu, choose "Channel">”Software Update(USB)” item.
4. Press “OK”, it will show a confirm message box, Press [◀] button to select “yes” in the confirm message box, to start automatic update.
5. Then it will update the software automatically, don’t power off during the updating process.
6. After the software is successfully upgraded, TV SET will restart automatically.
Note: 1. In some TV SET, ”Software Update(USB)” item maybe in “OPTION” menu. 2.After updating, you must confirm the software version in the “Factory Menu” and you'd better do " UnProtected Clear" in the “Factory Menu”.
POWER [SMPS] BOARD SCHEMATIC
The Power board have 5V&12V output. Other voltages are converted from 5V & 12V.
a Vcc-Panel is converted by N1 from 12V,5V-Tuner converted by N21 from 12V supplies to tuner.
b 3.3Vstb is converted from 5V-stb by N2, It’s standby power supply for main IC (N7), Keyboard, Remote board ,Flash( N11) and HDMI CEC.
c 12V supplies for Amplifier( N17 R2A15120FA) .
d 5VAIN supplies for main IC , Headphone and USB
e 3.3VA is converted by N4 from 5VAIN, It supplies for N39(main IC), N8(HDCP),N9(EEPROM).
f 2.5VA is converted by N5 form 5VAIN.
g 1.32V is converted by N3 from 5VAIN.
h 1.8VA is converted by N6 from 5VAIN.
i 3.3V_Demod is converted by N18 from 5VAIN, 1.2V_Demod is converted by N19 from 3.3V_Demod.
INVERTER BOARD SCHEMATIC
Board 1 (Panel has not 120HZ refurbish ratio)
Board 2 (Panel has 120HZ refurbish ratio)
[Image is reference only. Different models refer to the actual units to determine the boards.]
Click on the Pictures to Zoom In