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Philips 40PFG5100-77 LED LCD Service Modes, Error Codes, and Fault Finding -...
Philips 32PFG5100, Philips 40PFG5100 and Philips 48PFG5100 LED LCD TVs- how to enter service mode, adjustments, software update and more...Service ModesThe Service Mode feature is split into five...
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715G3721-P01-H20 - LCD power supply schematic - Toshiba 22AV733G LCD TV
Used semiconductors: LD7575A-PS, 2SK4101LS(FET), OZ9938GN, AO4616Back-light inverter section circuitMain SMPS section circuitClick on the schematics to magnifyElectro help - Service Modes, Circuit...
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Toshiba 22AV733G LCD TV – internet setting – Audio amplifier schematic -...
MAIN BOARD - 715G3747-DPOWER BOARD - 715G3721Internet Explorer SettingsWhen Windows XP SP2 or Windows Vista is used, ActiveX control and pop-up windows are limited by the enhanced security function and...
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Hbuster HBTV 42L07FD – SMPS schematic
Used ICs: SCC9502S, L6562D, STRA6059HClick on the pictures to magnifyElectro help - Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Troubleshooting and more....
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How to enter service mode to CTV sets using TDA9351 and TDA8370 syscon-chroma...
NXP TDA8370, TDA9351, TDA9353, TDA9361, TDA9363-XXX SERIES - service mode, adjustments, default data values, IC pin voltages, Circuit diagram and more....REPLACEMENT OF MEMORY ICThis TV kit uses memory...
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Akira 14BM18 CTV – how to enter service mode, circuit diagram - TDA-935X -...
Used ICs: TDA7056B, TDA8356, AT24C08, BSC60H2(FBT), STR-G5653(SMPS control)Many electrical and mechanical components in this chassis have special safety-related characteristics. Components which have...
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AOC LC32R03 and AOC LC42R03 LCD TV SMPS circuit diagram
AOC LC32R03 - 715G3811P01H20003H, AOC LC32R03 - 715G4088P01W30003H, AOC LC32R03 - 715G3770P02W20003S, AOC LC42R03F and FC - 715G3760P01W20003M715G3811P01H20003H - 715G3770P02W20003S -...
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Hi-Power stereo amplifier circuit diagram and descriptions using MJL21194,...
ALESIS MATICA 500/900 A4/A8 - MJL21194, MJL21193The A4/A8 amplifiers are basic stereo amplifiers. They have 0dBm input sensitivities for rated output at 4:, with the ability to drive any load impedance...
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SCHNEIDER 30M901-LCD Monitor TV – LCD26S series – alignment procedure – how...
Alignment ProcedureThe panel in this model is LG PHILIPS 30’ LC300W01 A3P6, whose max-luminance is at 450 cd/m2. Analog parts adopt VCT3834A with Teletext function, inner multi-system Comb-filter, MCU...
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Samsung UE40F8000SL LED smart TV, service mode, software update,...
Applicable to Samsung UE40F8000SL, UE46F8000SL, UE55F8000SL. UE65F8000SL, and UE75F8000SL modelsSmart ControlThe Smart Touch Control makes it easier and more convenient to use the TV. For example, you...
View ArticleLoewe Concept L 42 Platinum, Loewe Concept L 42 Anthracite – Plasma TV –...
If a repair exchange has to be carried out, special care has to be taken of the so called E/X Tube. Via this sealed glass tube the panel is bleeded first, after that it becomes filled with gas. If this...
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Guitar amplifier schematic – used ICs: MC4558, TDA7294
Simple and very sensitive circuit. Can be assembled easily on a perforated universal PWB. Keep all the input leads very short in length to avoid input interference. Use high quality shield wire to...
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Grundig LCD TV Power Supply (SMPS VTY194-32) schematic for 22, 28, 32, 40 and...
For Models: 22QUER521, 22QUER4400, 22QUER4421, 22QUER5420, 22QUER5400,22QUER5421, 22VLE5421, 22VLE5520, 28VLE4400, 28VLE4401,28VLE4500, 28VLE5401, 28VLE5401, 28VLE5500, 32QUER555,32QUER555, 32QUER4400,...
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Sony HCD-GT3D DVD receiver – Error codes, how to enter service mode, service...
The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body....
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Power amplifier schematic – 100Watts, using 6L6 and 12AX7 tubes
6L6 can be substituted by 6N3C tube, provided a very small change to heater voltage.The heater voltage for 6L6 is 6.6VAC and for the 6N3C is 6.3VAC.The substitute for 12AX7 is ECC83Matched pairs of 6L6...
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AOC LC42H053, AOC LC42H053, AOC LC42D1320 LCD TVs - SMPS Schematic –...
Used ICs: ICE2PCS02G, SSC9502S, A6069H, STW20NM60[FET] – AOC 42 inch LCD TV power supply circuit diagramComponent sideFoil sideSchematic (Circuit diagram)Click on the schematic to zoom inElectro help -...
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715G3829P02 LCD TV power supply circuit diagram - Insignia NS-421780a12,...
715G3829P02 LCD TV power supply schematic. Used ICs: FAN7529MX, AB059H, LD7523GS, OZ9976GN-C-0-TR, AOTF12N50(FET) Component layoutFoil sideMain inverterBack-light inverterClick on the pictures to...
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Sony KDL46XBR10, Sony KDL52XBR10 LCD TVs – how to troubleshoot backlight...
Sony XBR-10 series LED LCD TVs - Back-light troubleshooting - with, 6 blinks-shutdown or No shutdownSuper Slim DesignThe use of LED’s along the bottom edge of the LCD panel along with new circuit board...
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How to troubleshoot power supply problems – Sony EX2S/EX2WM Direct-View LCD...
Power Supplies and ProtectionThe GB2 board receives AC input and provides a standby power source along with a switched supply to generate the necessary voltages used by the various circuits.Since the...
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Onkyo HTP680 – how to adjust the idling current, sub-woofer circuit diagram –...
Onkyo 7.1-ch home theater speaker package black model HTP-680(B)Powered sub-woofer / adjustment of idling current(When)1. Exchange transistors (Q505 - Q519).2. Exchange MAIN PC board ass'y...
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