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Lenovo Idea Tab A2107A Hardware Maintenance - How to replace the FRU –...
Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between...
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Sharp 27US100, 27US60 – how to enter the service mode, adjustments circuit...
Used ICs: IX3354CE, IX3528CE, LA7841, TEA1507(power switching control) STP7NB60(SMPS switch), F0049ME or FA004WJ (Fly-back transformer) - Sharp 27U-S60, Sharp 27U-S100. The receiver is protected by a...
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TCL 32D2930 LED LCD TV – how to enter the service mode, service adjustment...
TCL 32D2930/MT56E1-LA - LED LCDTV -service mode, factory mode, software update, white balance adjustment and other service adjustment details.When replacement parts are required, be sure the service...
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LG CM6520 (CM6520, CMS6520F/W) – How to disassemble the CD changer mechanism...
Compact disc players incorporate a great many ICs as well as the pick-up (laser diode). These components are sensitive to, and easily affected by, static electricity. If such static electricity is high...
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How to re-assemble the CD changer mechanism – LG CM6520 Mini Hi-Fi system -...
Be very careful when re-assembling the mechanism. Note the gear mechanism teeth positions. Even a slight change in teeth positions of the gear wheel might make serious damage to loading mechanism, when...
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LG CM6520 Mini Hi-Fi System – Schematic – Power supply, RF servo, DSP - Main...
No powerFuse & bridge diodeCheck and replace F901, BD901, TH901, TH903 on SMPS board.Check if the fuse F901 has open or short-circuit.Check if the bridge diode BD901 has short-circuit by over...
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Philips 21 inch CRT TV – Service mode, factory mode, fault detection, Schematic
Used ICs: TDA98XX, TDA486X, W6554A (STR), DM837X, TDA9842AJ, TDA98XXService Modes, Error Codes, and Fault FindingThis chassis does not contain a specific Service Mode. Service and Alignment of the TV...
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Sharp LC-26P70EE. LC-32P70EE, How to enter the service mode, service mode...
Sharp LC-26P70EE/F/I/K/RU, LC-32P70EE/F/I/K/RU, LC-37P70EE/F/I/K/RU - DVB-T, PAL B/G, I / SECAM B/G, D/K, L/L’SYSTEM COLOUR TELEVISIONsThe adjustment values are set to their optimum at the factory...
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How to enter service mode, firmware update, service adjustments – Sharp...
LC-46D62U, LC-52D62U Sharp LCD TVs – software update, Service mode, service adjustments – 46 and 52 inch LCD TVsAdjustment procedureThe adjustment values are set to the optimum conditions at the...
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Telefunken TK 2929STX – CRT TV – Schematic (Circuit diagram)
Used ICs: TMPA8829, 24C08, MSP43X5G, TDA9844, TDA8945, TDA8177, TDA16846 (SMPS control), TC90A49PSchematic[Click on the schematic to magnify]Electro help - Service Modes, Circuit Diagrams, Firmware...
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THL32EM5 – Panasonic LED TV – Service mode, Power board schematic, Hotel...
Panasonic TH-L32EM5D LED TV - KM18 Destination: INDIAPanel system TFT LCD Module with LED BacklightVisible screen size (diagonal) 80 cm / 32 inchesNumber of pixels 2,073,600 (1,920 (W) × 1080...
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Home Theater System LG BH5140S, How to update the firmware, SMPS and Power...
LG 3D Blu-ray/DVD Home Theater System - BH5140S (BH5140S, S54S1-S, S54T1-W) – Software Update, SMPS and Main amplifier circuit diagramAMPLIFIERPower Output, (4 Ω / 3 Ω), (RMS), THD 10%Total 500 WFront...
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715G4238 PSU 22 inch LCD TV – power board circuit diagram - Philips 22HFL4372D
Used ICs: FAN7529MX, STP20NM60FP [FET], L6599DTR - SMPS board fitted with Philips 22 inch LCD TVsPower Supply UnitBefore checking other parts first check whether fuse on the PSU is not broken. Always...
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Philips 26HFL4372D LCD TV SMPS schematic - 715G3860 PSU
715G3860 PSU schematic - 26 inch Philips LCD TV 26HFL 4372DUsed ICs: FAN7529MX [SMPS control], STP20NM60FP [FET], L6599DTRPower Supply UnitBefore checking other parts first check whether fuse on the...
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Philips 32HFL4372D - 32 inch Philips LCD TV schematic – 715G3861 PSU
Used ICs: A6069H, FAN7529MX [SMPS] control, SPW20N60C3 [FET], SSC9512S-TLThe Q552.1E LA is a new chassis launched in Europe in 2010. The whole range is covered by PNX8550x main IC so-called NXP TV550...
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Philips LCD TVs 32HFL4372D, 22HFL4372D, 26HFL4372D – how to enter service...
Error codes, LED blinking codes, Service alignment, Software protectionsKey components of this chassis are* PNX85500 System-On-Chip (SOC) TV Processor* TX31XX Hybrid Tuner (DVB-T/C, analogue)*...
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Samsung LED LCD TV-UN46EH6000F-Power Supply LED Board BN44-00498A – Schematic
Used with: Samsung UA40EH5300R, Samsung UN40EH5300G, Samsung UN40EH6000, Samsung UN40EH6050, Samsung UN40EH5000FXZA, Samsung UN40EH6000FXZA TS02 Samsung UN40EH6000FXZA CS01, Samsung UN46EH6000F ICs and...
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Sharp LED TV-LC-32LD145, LC-39LD145 – SMPS schematic, How to enter service...
Using Vestel 17IPS19, Vestel 17IPS20S-R6 main digital board - Service mode, Software update, general troubleshootingSOFTWARE UPDATEIn MB82 project there is only one software for service. From...
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How to update the software, software versions, Function details – using...
Sharp LC-32LD145E (B), LC-32LD145K(B), LC-32LD145V(B), LC-39LD145E (B), LC-39LD145K(B), LC-39LD145V(B)Fitted with Vestel 17MB82S CHASSIS, LED LCD COLOUR TELEVISION - DVB-T / DVB-C (HDTV), PAL B/G, I /...
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BN44 00438A, BN44 00468A – SMPS schematic – Samsung LN32D403E2G, LN26D450 LED...
Samsung LE32D400E1W, Samsung LN26D450G1DXZA, Samsung LN32D450G1DXZA LED LCD TV power board circuit diagram: Used ICs - SEM3040, STRW6052S, SEM2106 Attaching SMDs When soldering the SMD terminals, do...
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