SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards.
SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service unit under test. manual and its supplements and addenda, read and follow the 2. After removing an electrical assembly equipped with ES SAFETY PRECAUTIONS on page 3 of this publication. devices, place the assembly on a conductive surface such as NOTE: If unforeseen circumstances create conflict between the aluminum foil, to prevent electrostatic charge buildup or...
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IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through Circuit Board Foil Repair which the IC leads are inserted and then bent flat against the Excessive heat applied to the copper foil of any printed circuit circuit foil. When holes are the slotted type, the following technique board will weaken the adhesive that bonds the foil to the circuit should be used to remove and replace the IC.
NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range 3. Test and Inspection Method This specification is applied to ML-03JB chassis. 3.1 Capacity : Follow LG electronics TV Testing Standard. 2. Requirement for Test 3.2 Another Requite Standard EMI : Following CE Standard(EN 55020)
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Humidity : 50% (Temp : 40°…) Operating Humidity Storage Temperature Storage Humidity LCD Panel Model Name LC420W02- B4K1 LG Philips LCD Feature TFT Active Matrix LCD panel Outline Dimension 760.0 x 450.0 x 48.0 [mm] Aspect Ratio Wide (16:9) Resolution...
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Item Specification Remark Unit 2 Carrier Dual BG, DK NICAM Dual BG, I, LL' DW(Double Window) Mode MW(Multi Window) Mode Film Mode Progressive Scan Motion Detection Dolby Virtual SRS WOW Ez-pip Power System PFC(power factor correction) & SMPS 4. EDID 4-1.
TIMING CHART VIDEO SYNC Dot Clock Frequency Display Sync Total Sync Back Front H / V MODE Resolution Porch ( B ) Polarity [kHz]/[Hz] ( A ) [MHz] Period( E ) ( D ) Porch(F) H(Pixels) 25.175 31.468 640 x 350 V(Lines) 70.090 H(Pixels)
ADJUSTMENT INSTRUCTION 2.2.3 Operation status check 1. Scope of Application 2.2.3.1 Operation mode: Check designated This standard is applied to the 32" Wide I-DTV mode accurately operates. manufactured in the monitor factory or its equivalents. 2.2.3.2 Check of adjustment status and operation: Check the screen adjustment 2.
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*Check of OPTION DATA Setting (SVC MODE) - Explanation of SVC Menu EEPROM Option items Item Condition Remark Item Condition Remark Option0 OSD Lan 0 : Eng Only 200PR 0 : 100 Program 1 : 1 : 7 countries (7 countries in West Europe) 1 : 200 Program 2: 11 countries (West Europe + Northern Europe) China + Aus...
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1. Service Menu Overview If you press the menu button of remote control and the menu key of keypad till more 5 seconds simultaneously. Service Menu The service menu OSD will appear. This service menu contain the RGB, MSP, NSP menus and 3 optional RGB Menu RGB Menu menus that is Option 0,1,2.
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3. MSP Menu FM Prescale decides input signal level of FM audio signal. It is related to main Volume. MSP Menu Nicam Prescale decides input signal level of Nicam audio signal. FM Prescale FM Prescale Nicam Prescale Scart Prescale decides output signal level to speaker volume which is Nicam Prescale coming from SCART input.
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5. Option 0 Menu 200PR : In China, You have to change 200PR data to '1' because China has many channels in broadcast system. Option 0 Menu China+Aus : In China or Australia, you have to change China+Aus data 200PR 200PR to '1' because these two countries have different broadcast China+Aus...
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7. Option 2 Menu DownLoad : While downloading is performed for updating the software the main Micom should not communicate Option 2 Menu with other Ics therefore to cut off the communication between main Micom and other Ics we set the value DownLoad DownLoad of Download to '1'.
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9. X-Studio Menu X-Studio Version : It shows the programme version of X-studio. X-STUDIO Menu X-Studio Language : This field shows the X-studio OSD language. X-STUDIO Version X-STUDIO Version X-Studio ISP : This field shows that X-studio memory will be 1.18 1.18 ready for ISP after selecting this option and...
SVC REMOCON FUNTION REAMARK To turn the TV on or off POWER To turn the TV on automatically if the power is supplied to the TV. (Use the POWER ON POWER key to deactivate): It should be deactivated when delivered. To activate the mute function.
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BLOCK DIAGRAM DESCRIPTION 1) RF/Analog mode: 4) Component mode: - Initially the signal is fed to the Analog Tuner through antenna - Initially the video signal is fed to the AN15865 switch IC and cable via RF splitter. Now, here the Audio and Video signals the audio signal is sent to the MSP4410 sound processor are separated and sent accordingly (i.e.
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List of ICs and their functions 1) Processor(AT76C120) : - AT76C120 is a highly integrated solution for still-image and video play back applications. It can also operate as a video capture device for low-cost Personal Video Recording(PVR) applications. - The I S-compatible auio data interface allows the device to connect with an external stereo ADC/DAC to capture or play voice or audio.
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PROM (XCF02S) Display/ JACK101 (FMS3818) R,G,B,H,V Processor Capture (AT76C120) FPGA LVDS RX (XC2S200E) (THC63LVD104) LVDS TX SDRAM (THC63LVD103) (HY57V653220C) SDRAM (K4S561632E) Flash Memory (AT49BV162A) L,R,CVBS Audio DAC (UDA1334BTS) JPEG storage and playback: 1) First after inserting memory stick/card in the card slot the image data (JPEG file)is decoded and stored by the processor in the SDRAM and Flash memory.
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PROM (XCF02S) Display/ JACK101 (FMS3818) R,G,B,H,V Processor Capture (AT76C120) FPGA LVDS RX (XC2S200E) (THC63LVD104) LVDS TX SDRAM (THC63LVD103) (HY57V653220C) SDRAM (K4S561632E) Flash Memory (AT49BV162A) L,R,CVBS Audio DAC (UDA1334BTS) MP3 storage and playback: 1) First after inserting memory stick/card in the card slot the MP3 data is decoded and the file information is sent by the processor to the FPGA where it is stored in the 64MB SDRAM along with OSD 2) While during playback when we select any MP3 file then the data is processed by the processor and the I2S data is sent to the audio DAC IC where it is converted into analog AV_L and AV_R signals.
REPLACEMENT PARTS LIST For Capacitor & Resistors, the CC, CX, CK, CN, CH : Ceramic RD : Carbon Film charactors at 2nd and 3rd digit in the CQ : Polyestor RS : Metal Oxide Film P/No. means as follows; CE : Electrolytic RN : Metal Film CF : Fixed Film RH : CHIP, Metal Glazed(Chip)
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