Finlux 32FL845 No Picture
This is a repair video on a Vestel LCD TV, the power supply is
type 17PW26-4
This is found in many brands of tv, not just Finlux
Other brands Sanyo, Sharp, Hitachi, Nordmende, Walker, to name a few
Another case of bulging capacitors on the power supply
replacing these capacitors using low esr types, got the television working.
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https://www.youtube.com/watch?v=izJnFWLnzR0
Promethean PRM-20A Thermal Fuse Reset
Resetting of the thermal fuse is common on these overhead projectors ,after the filters get clogged up with dust, the warning light will be flashing. unit is over heating,
Cleaning the filters and resetting the thermal fuse normally gets them back working.
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https://www.youtube.com/watch?v=bj7DjpOn0ro
Aten CS1743B KVM Switch Repair
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https://www.youtube.com/watch?v=7IVmF8WKEjU
Samsung LE40A656A No Picture
This video shows the bulging capacitors on the psu pcb of this Samsung LCD TV
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https://www.youtube.com/watch?v=pNRILmsHLNs
How to repair a JVC GY-HD251 Tape Deck
This is part 4 of the repair procedure to replace the sub cam gear on this JVC professional video camera,
it will show how to strip down the deck assembly , then align the gears to reassemble
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https://www.youtube.com/watch?v=hJSWk7_utTI
LG 42LF65 Dead or Intermittant Switch on
LG LCD TV that came in with an intermittent start up problem
doing a visual inspection of the psu pcb showed 6 capacitors bulging.
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here is a list of the caps I changed
below
C202= 2200UF 10V 105DEG
C217= 3300UF 10V 105DEG
C218= 2200UF 10V 105DEG
C210= 1000UF 35V 105DEG
C206= 2200UF 10V 105DEG
C222= 470UF 25V 105DEG
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https://www.youtube.com/watch?v=7ovGl9sta94
JDS2012A Handheld Digital Storage Scope overview
This tool is useful when at a remote location away from the workshop, when
you don't have access to a bench scope,
ok to observing low freq. waveform, but I found it wanting at fast moving waveform like, audio/video, the sampling rate s to low, but you can see activity
great for looking at squarewaves or waveforms that don't change.
useful for the automotive trade, as a cheap DSO
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https://www.youtube.com/watch?v=VOVoemaluIk
Child Lock on Vestel TV
I am still getting these televisions in for repair where the customer complains that they can't turn on the tv with the local keypads on the unit/ buttons won't work
nothing wrong with the tv, I just had to unlock it
service tip
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...
https://www.youtube.com/watch?v=8onAlLMQ8E0
GHD4.2B Not Heating
This video shows a 4.2B that is dead, similar to the 4.1B
r8 value is 100 ohms
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https://www.youtube.com/watch?v=wlnC1p3TzsE