Monday, June 8, 2020

How to enter the service mode of BenQ 2450HM Monitor, how to update the firmware, power board - SMPS - schematic and general troubleshooting

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BenQ G2450HM, GL2450HM, GL2450HE MONITOR how to update the firmware, SMPS schematic, troubleshooting, Service mode How to enter the service ...
Monday, May 25, 2020

Sony KDL40XBR9 SMPS schematic G6N POWER

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Used Ics: 2SK3934, FA5501AN, MM3313AF, CXD9969P,TK8A50DMM1431 Sony LCD TV KDL40XBR9 power supply circuit diagram KDL40XBR9 SMPS component an...
Sunday, April 19, 2020

Blapunkt auto radio Acapulco RDM168, Florida RD168, Biarritz RDM169, San Remo RD168 Schematic and PWB

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Blaupunkt Acapulco RDM168 Auto radio schematic Keyboard schematic and printed circuit board Power amplifier schematic Main board schematic a...
Friday, April 10, 2020

SR3220 CCE stero tuner amplifier circuit diagram – using 2N6107-2N6292 pair Audio output power transistors

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Power amplifier circuit diagram [schematic]-using Bipolar [BJT] transistors 2N6107-2N6292 in push-pull circuit – used with some Philips tune...
Thursday, April 9, 2020

Transformerless TV 4471 – 17 inch B/W TV circuit diagram – Hybrid type – uses valves and transistors Vintage

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Vintage – Transformer-less TV5971 B/W schematic: Hybrid type- used vacuum tubes and transistors Used valves: EF183, PCL84, PCL82, PCL85, E...
Friday, January 31, 2020

Philips 21PT5506, 28PT4457, 24PW 6606 - SMPS (Power supply), vertical and horizontal scanning and audio amplifier schematic

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Applicable to - Philips 21PT5306, 21PT5506, 25PT4457, 25PT5107, 25PT5506, 28PT4406, 28PT4457, 28PT5107, 29PT5306, 29PT5506,   24PW6006, 2...
Tuesday, January 21, 2020

Noblex LCD TV SMPS schematics - Noblex 4H.B1090 SMPS schematic

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Noblex 4H.B1090 SMPS schematic – using FAN6961, TEA1530AT, LTV-817, 2SK4100LS(power switching FET) Noblex LCD TV SMPS schemat...
Sunday, January 12, 2020

Samsung UE55F6670SB LCD TV SMPS schematic – BN44-00622C

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Using ICs SEM3050, STR2A153D, SLC2013M(MAP3321)