1600 RH 64 FLASHING WITH ATF BOX

HOW TO FLASH NOKIA 1600 RH 64 WITH ATF BOX

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Wiio Wi3 unlock with miracle

How to unlock Wiio Wi3 with miracle

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ARC Lite+ Flashing with volacano tool

How to flashing ARC Lite + with Volcano Tool Box

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MICROMAX A 26 FORMATING

How to Formatting Micromax A26 with Volcano Tool Box

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MICROMAX A065 UNLOCK

How to unlock micromax A065 with Volcano Tool Box

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Capacitors colour code and tolerance

With a description of capacitor colour code

VARIOUS TYPES OF DIODE & TRANSISTOR

There is some symbol of semiconductor

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How to wireless charging work

Description of wireless charger

Technology trends are moving toward a completely wireless and mobile world, and our device chargers have followed suit. There are many questions about wireless charging: How does wireless charging work? Can I use a wireless charging pad with my smartphone? Do I need a special case for wireless charging? Here, we answer these questions and tell you everything you need to know about wireless charging.

How does wireless charging work?

Wireless charging, also known as inductive charging, is a convenient and fuss-free way to power up your smartphone. Wireless chargers emit an alternating current via a transmitter coil, which then induces a voltage in the receiver coil found in the device. Qi (pronounced �chee�) wireless charging pads are capable of charging smartphones, tablets, Bluetooth� headsets, cameras and portable power packs. Note: You do need one of these pads for wireless charging; a smartphone that says it has wireless charging capability will not charge itself. At least, not yet anyway. But wireless charging is simple: Just plug in the charging pad and place your device on it. That�s it!

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HOW TO REPAIR OPTICAL NODE AMPLIFIER

When we going to repair a Node Amplifier we need a optical signal for in put to node and get RF signal for reception.
First get a Optical Transmitter.

Second get a Hybrid Rf Amplifier
If you have fr signal 80dB then ok if  lower then input to hybrid amp and adj to out put 80 dB signal.
Then this signal give to Rf input of optic Transmitter .
Then out optical signal through a patch cord.
And give this signal to Optical Node Amplifier.

Now out from node Rf about 88dB ~ 95dB

 I show u some parts which are defective in many cases.

Optic to RF converter, if optic signal in and rf signal not out then this is may be defective.

If rf signal in in pin no 1 and dont reach + 30dB of input signal then change it.( RF SIGNAL AMPLIFIER KF829-24 )

If reach 30v dc to regulating ic pin no 1 and no out put/ low out put to 24 v dc in pin no 3 then change it. ( REGULATING IC 7824 )

If a black wave on tv screen then change this capacitor 1000uF/ 63v

If optic signal not out to optic ic then change it. ( OPTIC ADOPTER )


If any question about repairing u can comment in bottom comment box.























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SAMSUNG COLOUR TV SERVICE CODE

CHASSIS = KS-1A
SERVICE MODE - STANDBY -DISPLAY - MENU- MUTE- POWER ON

CHASSIS = SCT12B
MODEL = CK6202, CK7202, CK5944, CKC844
SERVICE MODE = STAND BY- P.STD- HELP - SLEEP- POWER ON
Use ch+/ ch_ and vol+ /vol - keys

MODEL - CK 6271 WP
SERVICE MODE = STAND BY- P.STD- HELP - SLEEP- POWER ON
 Use ch+/ ch_ and vol+ /vol - keys

CHASSIS = KS-2A
MODEL = METALLICA CS-21C3 , PLANO CS-21A8
 SERVICE MODE = PICTURE OFF - DISPLAY- MENU-MUTE - PICTURE ON

CHASSIS = S15A
MODEL = CB-14F1, CB-20P30, CB-20H1, CB-20S20, CB -21H1, CB-21P30, CB-21S20, CB-3373, CB-5020, CB-5073, CB-5079, CB-5320, CB-5373, CB-5379, CK331FVR5X/NTW, CK331FVR5X/BWT, CK331FVR5X/VWT, CK501FVR5S/ NTW,
SERVICE =  STANDBY- DISPLAY- P.STD- MUTE- POWER ON
Use ch+/ ch_ and vol+ /vol - keys














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How to repair Cable TV amp

Generally we use 40 dB/ 30 dB cable tv amp
These are 2 type Hybrid / FET
In Hybrid Amp use a single ic for increase signal so called as hybrid ic
In FET type use 4 nos field effect transistor so called FET.
In this FET model Transformer has 9 lead

1-2 =  Primary 230 v  AC
3-4 = Secondary 18v AC
5-9 = Secondary 0v, 30v, 40v, 50v, 60v
If input is 230 v AC then output in secondary 3-4 18 v . Now convert this 18v to dc with 4 - in4007 diode. filter with a 1000uF / 35v.
Then we get 18v dc.
Then use a 7812 Regulating ic for perfect 12v supply to amp ckt.
Ckt use 4 - FET with 3 terminal.
here i write voltage in image

any query comment me







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how to check dish tv signal in digital sat finder

Here a simple process to check dishtv /zing digital signal strength and quality in a digital satellite finder
first connect power cable/ receiver lnb port  to digital satfinder
second connect cable from antenna LNB
power on the  dishtv /zing digital  receiver or power adapter
select satellite choose right transponder and symbolic rate
now track or adjust your antenna using a magnet compass
adjust to elevation and azimuth
follow to digital satfinder  and when a buzzer sound comes
then purify by tit not bolt

this is the video show u the signal reception of    dishtv /zing digital

YOUTUBE LINK
































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how to check videocon d2h signal in digital sat finder

Here a simple process to check videocon d2h signal strength and quality in a digital satellite finder
first connect power cable/ receiver lnb port  to digital satfinder
second connect cable from antenna LNB
power on the videocon  receiver or power adapter
select satellite choose right transponder and symbolic rate
now track or adjust your antenna using a magnet compass
adjust to elevation and azimuth
follow to digital satfinder  and when a buzzer sound comes
then purify by tit not bolt

this is the video show u the signal reception of   videocon d2h

 YOUTUBE LINK




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