Quantcast
Channel: Electro help
Browsing all 2033 articles
Browse latest View live

Image may be NSFW.
Clik here to view.

Philips Blu-ray Disc Player BDP3380 – smps board circuit diagram – how to...

Power• Power supply: 220-230V, 50Hz• Power consumption: 18 W• Standby power consumption: 0.3WVideo Playback• Playback Media: BD Video, BD-ROM, BD-R/RE 2.0, DVD, DVD-Video, DVD+R/+RW, DVD-R/-RW, Video...

View Article


Image may be NSFW.
Clik here to view.

EAY37229301 – LG LCD TV power board schematic – LGLP42SLPV2EV3

Used ICs:FAN7382, FAN55011AN, FAN7601, OZ9925, LM393, STF11NM60N(FET), 2SD20N60(FET)SchematicClick on the schematic to zoom inElectro help - Service Modes, Circuit Diagrams, Firmware Update procedure,...

View Article


Image may be NSFW.
Clik here to view.

Grundig CUC 7303 Color CRT TV SMPS schematic - power circuit description –...

Power SupplyBasic CircuitCurrent mode converters can exhibit sub harmonic oscillations when operating at a duty cycle greater than 50% with continuous inductor current. This instability is independent...

View Article

Image may be NSFW.
Clik here to view.

Philips Blu-ray player - BDP3000 - Power board circuit diagram (Schematic) -...

PHILIPS BDP3000 SMPS board circuit diagram - changing the DVD region codeYou can change the DVD region code only, by the following method.  Cannot change the region code for Blu-ray disc.  It can be...

View Article

Image may be NSFW.
Clik here to view.

Philips HTS 7140/12/98/93/51/78 - BD Home Theater System SMPS Circuit...

Restore factory settinga) Press <Home> button on R/C.b) Select <SETUP>, then press “OK” button on R/C.c) Select <Advanced setup> ,then press < OK > button on R/C.d) Select...

View Article


Image may be NSFW.
Clik here to view.

LG BH4120SN SMPS schematic – power board EAX64755401 troubleshooting – hidden...

LG BH4120SN, LG BHS42S2-S, LG BHS42S1-W– Blu-ray / DVD Home Cinema System software updating, Power board circuit diagram, power board troubleshootingAMPLIFIERPower output (3 Ω/ 4 Ω), (RMS), THD 10...

View Article

Image may be NSFW.
Clik here to view.

Sony Trinitron KV-SW21M80 – how to enter service mode, adjustments, circuit...

Used ICs: STR-F6267(SMPS control), STV9302A(Vertical scan output IC), NX-4751/M3A4(Fly-back transformer), LM2903DT(Comparator), TJM4558CDT(PIN amplifier), IRF614-037(Horizontal scan output FET),...

View Article

Image may be NSFW.
Clik here to view.

Sanyo LED LCD TV 46XR123D-3D TV – How to enter factory mode, software update,...

Sanyo LED-46XR123D PAL-B/G (Australia) NTSC (AV) LED-LCD TV with 3D FunctionAdjustment InstructionThe unit adjustmentAccording to the wiring diagram specified by “Product Specification”, connect...

View Article


Image may be NSFW.
Clik here to view.

Sony TA DX8 – Integrated Stereo Amplifier Schematic – Exploded view -...

DIN power output -75 + 75Watts (6 oHms)Continuous power output - 100 + 100 Watts (6 oHms)Used ICs: STK402-1005, M5218AP, BU4052BCPower and Panel board: Schematic and PWBMain board: Schematic and...

View Article


Image may be NSFW.
Clik here to view.

Sony RDR HXD790 DVD Recorder – How to enter service mode, adjustments, How to...

Sony RDR-HXD790/HXD795, RDR-HXD890/HXD895, RDR-HXD990/HXD995/HXD1090, HXD1095Remote control: RMT- D251O, D251PAustralian ModelRDR-HXD890, HXD990DISK REMOVAL PROCEDURE IF THE TRAY CANNOT BE EJECTED...

View Article

Image may be NSFW.
Clik here to view.

Samsung Galaxy Note-5 Smartphone – how to replace the rear camera, front...

Samsung Galaxy Note 5 rear camera replacement, front camera replacement and earpiece replacement share most the same steps, so show them together.Rear camera, front camera and earpieceRemove the Sim...

View Article

Image may be NSFW.
Clik here to view.

How to replace the broken screen – NX008HD8G Nextbook

Nextbook NX008HD8G Screen ReplacementUse this guide to replace a broken screen. Sliding the plastic opening tool between the back panel and the front glass can be difficult. This guide is relatively...

View Article

Image may be NSFW.
Clik here to view.

LG42LE5500 - LED Backlights 1080PDirect View LCDTV – SMPS (Power supply)...

How to troubleshoot and repair Power board  of  LG42LE5500 LED TVPart number: EAY60803101POWER SUPPLY SECTIONThis switch mode power supply develops Stand By 3.5V at all times when AC is applied.At...

View Article


Image may be NSFW.
Clik here to view.

LEDPlus LG 42LE5500 – How to enter the service mode, how to update the software

Firmware update, EDID download procedure: LG42LE5500 LEDPlus TVRemote Control - AKB72914003Power board: EAY60803101Main board: EBU60904603Basic Troubleshooting StepsDefine Look at the symptom carefully...

View Article

Image may be NSFW.
Clik here to view.

Samsung HTC330 - How to change the region code, How to initialize, Protection...

Samsung Digital Home Cinema System HT-C330 - Model Code : HT-C330-XSSBuyer-Region Code Setting MethodThe inserting method of Region Code after replacing the Main PBAWhen replacing the Main PBA and...

View Article


Image may be NSFW.
Clik here to view.

AWA MSDV 2413 LCD TV - How to unlock, how to update the firmware, How to...

How to enter into the factory mode. [Service Mode]1.You can press "source-2-5-8-0" to go into factory setting.Press the key "exit" to shut the factory setting.content:1: ADC setup: set ADC value of...

View Article

Image may be NSFW.
Clik here to view.

Philips FWM539 Mini Hi-Fi system – power amp, CD board and MCU board schematic

Used ICs: HEF4013, 74CT04, NJ4556AM,LM324, TDA8920TH x 3, ML C8800, HT1381, WM8781, 74HC157A, BU9543, TDA7073ARMS output power1KHz (Low channel-both channels driven) ................... 100 W per...

View Article


Image may be NSFW.
Clik here to view.

How to replace HTC Desire 510 Front and Main Cameras.

HTC Desire 510 / RIO - How to disassemble the device and replace the main or front cameraBATTERY REMOVALSwitch off the phone, remove the battery and any installed SIM and memory cardsRemove 7x Torx T5...

View Article

Image may be NSFW.
Clik here to view.

Hitachi C21 F800 – PAL-SECAM-NTSC – How to enter service mode, adjustments,...

Remote control handset - CLE-937Used ICs: KA0765(SMPS control), 24C16(Memory), TDA9367(Syscon-Chroma Jungle), TDA9874, TDA8944j(Audio output amplifier), TDA9859(Input Selector), LA78040(Vertical Scan...

View Article

Image may be NSFW.
Clik here to view.

HITACHI C21-FL21F CRT TV – LED blinking codes, Service mode, Initialization,...

Used ICs: STR F6454R(SMPS control), MSP34J7G(NICAM processor), TDA9365 / TDA9384 / TDA9386(MICOM Chroma Jungle), TDA9859(Ausio output IC), ba7604N, TDA8356(Vertical Scan output IC)In V3AR ,failure of...

View Article
Browsing all 2033 articles
Browse latest View live