1. Power Supply Block (LIPS)
This Block Generates DC Voltage (5V,15V) to Main Control system from AC Power (100-240V, 50/60Hz, 1.0A)
Also it has the inverter function converts input voltage to AC Rms value for the LCD lamp.
2. DC/DC Converter Block
DC/DC Converter convert the input 5V, 15V to proper 3.3V, 5V, 8V, 12V for Main control system.
For shooting heat trouble, we use the DC/DC converting IC
3. Audio Amplifier
This block is composed of TPA3005D2 and peripheral device.
The function of the audio amplifier is that to amplify audio L / R signal transmitted from audio decoder. The audio signal is amplified according to pre-defined DC volume control curve.
4. Audio / Video / IF Decoder / Scaler
This block is composed of LOC1 and peripheral devices.
1) Video Decoder
This Block Selects input Video signals (like CVBS, Y/C) and output RGB signal.
On decoding, We can control signal like Contrast, Brightness, Sharpness, Color, Tint signals including Adaptive Comb Filter.
2) Audio Decoder
This Block analyzes audio input signal through A/V Jack and PC audio and Tuner IF.
The analyzed signals transmitted to audio amplifier.
On decoding, We can control signal like Bass, Treble.
3) IF Decoder
This block can change IF signal to audio and video signal that transmitted to Video/Audio decoder.
4) Scaler
This IC includes A/D Converter and LVDS Transmitter.
This IC is directly inputted Analog signal and transmits it to LCD Module.
This Block Generates DC Voltage (5V,15V) to Main Control system from AC Power (100-240V, 50/60Hz, 1.0A)
Also it has the inverter function converts input voltage to AC Rms value for the LCD lamp.
2. DC/DC Converter Block
DC/DC Converter convert the input 5V, 15V to proper 3.3V, 5V, 8V, 12V for Main control system.
For shooting heat trouble, we use the DC/DC converting IC
3. Audio Amplifier
This block is composed of TPA3005D2 and peripheral device.
The function of the audio amplifier is that to amplify audio L / R signal transmitted from audio decoder. The audio signal is amplified according to pre-defined DC volume control curve.
4. Audio / Video / IF Decoder / Scaler
This block is composed of LOC1 and peripheral devices.
1) Video Decoder
This Block Selects input Video signals (like CVBS, Y/C) and output RGB signal.
On decoding, We can control signal like Contrast, Brightness, Sharpness, Color, Tint signals including Adaptive Comb Filter.
2) Audio Decoder
This Block analyzes audio input signal through A/V Jack and PC audio and Tuner IF.
The analyzed signals transmitted to audio amplifier.
On decoding, We can control signal like Bass, Treble.
3) IF Decoder
This block can change IF signal to audio and video signal that transmitted to Video/Audio decoder.
4) Scaler
This IC includes A/D Converter and LVDS Transmitter.
This IC is directly inputted Analog signal and transmits it to LCD Module.
5) Micom
This block controls each IC through IIC communication line.
5. Switch IC (PI3V512QE)
It is composed of PI3V512Q.
This IC selects between D-sub RGB signal and LOC1 RGB signal, and it transmits the selected signal to video signal processor.
6. Tuner (included Tuner Pack (TN200)
Micom controls this through IIC Line.
Tuner makes IF and transmits IF signal to LOC1.
Operation description LIPS
This block controls each IC through IIC communication line.
5. Switch IC (PI3V512QE)
It is composed of PI3V512Q.
This IC selects between D-sub RGB signal and LOC1 RGB signal, and it transmits the selected signal to video signal processor.
6. Tuner (included Tuner Pack (TN200)
Micom controls this through IIC Line.
Tuner makes IF and transmits IF signal to LOC1.
1. EMI components.
This part contains of EMI components to comply with global marketing EMI standards like FCC, VCCI, CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse.
2. Input rectifier and filter.
This part function is for transfer the input AC voltage to a DC voltage through a bridge rectifier and a bulk capacitor.
3. Energy Transfer.
This part function is for transfer the primary energy to secondary through a power transformer.
4. Output rectifier and filter.
This part function is to make a pulse with modulation control and to provide the driver signal to power switch, to adjust the duty cycle during different AC input and output loading condition to achieve the DC output stabilized, and also the over power protection is also monitor by this part.
5. Photo-Coupler isolation.
This part function is to feed back the DC output changing status through a photo transistor to primary controller to achieve the stabilized DC output voltage.
6. Signal collection.
This part function is to collect the any change from the DC output and feed back to the primary through photo transistor.
This part contains of EMI components to comply with global marketing EMI standards like FCC, VCCI, CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse.
2. Input rectifier and filter.
This part function is for transfer the input AC voltage to a DC voltage through a bridge rectifier and a bulk capacitor.
3. Energy Transfer.
This part function is for transfer the primary energy to secondary through a power transformer.
4. Output rectifier and filter.
This part function is to make a pulse with modulation control and to provide the driver signal to power switch, to adjust the duty cycle during different AC input and output loading condition to achieve the DC output stabilized, and also the over power protection is also monitor by this part.
5. Photo-Coupler isolation.
This part function is to feed back the DC output changing status through a photo transistor to primary controller to achieve the stabilized DC output voltage.
6. Signal collection.
This part function is to collect the any change from the DC output and feed back to the primary through photo transistor.
LIPS [SMPS] Circuit Diagram
EDID ADJUSTMENT
Operating System: MS Windows 98, 2000, XP
Port Setup: Windows 98 => Don’t need setup
Windows 2000, XP => Need to Port Setup.
This program is available to LCD Monitor only.
Port Setup: Windows 98 => Don’t need setup
Windows 2000, XP => Need to Port Setup.
This program is available to LCD Monitor only.
Port Setup
a) Copy “UserPort.sys” file to
“c:\WINNT\system32\drivers” folder
b) Run Userport.exe
a) Copy “UserPort.sys” file to
“c:\WINNT\system32\drivers” folder
b) Run Userport.exe
c) Remove all default number
d) Add 300-3FF.
e) Click Start button.
d) Add 300-3FF.
e) Click Start button.
f) Click Exit button.
If you don't write EDID, check below
1. Enter "SVC Menu"
Enter "Etc"
Enter "Write Protect
1 : EDID protection (No write)
0 : EDID wirte
Write EDID
2. Escape " SVC Menu" and push "In-stop" Button on SVC-Remote controller.
1. Enter "SVC Menu"
Enter "Etc"
Enter "Write Protect
1 : EDID protection (No write)
0 : EDID wirte
Write EDID
2. Escape " SVC Menu" and push "In-stop" Button on SVC-Remote controller.
2. EDID Read & Write
1) Run WinEDID.exe
1) Run WinEDID.exe
2) Edit Week of Manufacture, Year of Manufacture,
Serial Number
a) Input User Info Data
b) Click “Update” button
c) Click “ Write” button.
Serial Number
a) Input User Info Data
b) Click “Update” button
c) Click “ Write” button.
Schematic
Audio amplifier
Power
Scalar and Memory
Tuner LVDS
ADC ADJUSTMENT
1. DCXO setting in Video (AV2)
Convert to AV2 in Input-source
Signal equipment display
Output Voltage : 700 mVp-p
Impress Resolution : NTSC J (Model No.207 at MSPG925L) Pattern : Color Bar (Pattern No.33 ant MSPG925L)
1) IN-START selection of Service Remote Controller
2) OPTION4 Selection
3) Right button selection in DCXO-AUTO(AV2).
Then, DCXO-AUTO may change from 0 to 1.
4) DCXO value confirmation (Exit and Enter again Option4 _ Menu+Option4 selection)
2. Video (AV2) input ADC
Signal equipment display
Output Voltage : 700 mVp-p
Impress Resolution : NTSC J (Model No.207 at MSPG925L)
Pattern : Gray pattern that left & right is black and center is white signal.
(Pattern No.29 ant MSPG925L)
1) IN-START selection of Service Remote Controller
2) AUTOADC Selection
3) Right button selection in Auto Gain. Then, Value of Offset and Gain may change.
Signal equipment display
Output Voltage : 700 mVp-p
Impress Resolution : NTSC J (Model No.207 at MSPG925L)
Pattern : Gray pattern that left & right is black and center is white signal.
(Pattern No.29 ant MSPG925L)
1) IN-START selection of Service Remote Controller
2) AUTOADC Selection
3) Right button selection in Auto Gain. Then, Value of Offset and Gain may change.
3. RGB-PC input ADC
Signal equipment display
Output Voltage : 730 mVp-p
Impress Resolution : SXGA (Model No.45 at MSPG925L)
Pattern : Gray pattern that left & right is black and center is white signal (Pattern No.28 ant MSPG925L)
1) If Source change from AV2 to RGB-PC, Monitor executes auto intelligent. Do not ADC In this condition.
2) Execute ADC after AC power off/on.
3) IN-START selection of Service Remote Controller
4) AUTOADC Selection
5) Right button selection in Auto Gain
Then, Value of Offset and Gain may change.
SERVICE OSD
Service Menu
Auto ADC
Reserved
Option 1
Option 2
Option 3
Reset All
200X. 0X. 0X
NTSC - XX
0X. 0X
LOC Ver X. XX. XX
Sedna Ver X. XX. XX. XX
Option 4
Description of operation
- Auto ADC : Adjust Auto ADC and Adjust RGB Gain/Offset
- Option 1 : Adjust Tuning
- Option 2 : Adjust Sound
- Option 3 : Adjust Country, Language
- Option 4 : Adjust etc..
- Reset All : Default setting.
Service Menu
Auto ADC
Reserved
Option 1
Option 2
Option 3
Reset All
200X. 0X. 0X
NTSC - XX
0X. 0X
LOC Ver X. XX. XX
Sedna Ver X. XX. XX. XX
Option 4
Description of operation
- Auto ADC : Adjust Auto ADC and Adjust RGB Gain/Offset
- Option 1 : Adjust Tuning
- Option 2 : Adjust Sound
- Option 3 : Adjust Country, Language
- Option 4 : Adjust etc..
- Reset All : Default setting.
