Electronics Forum / Repair / January 2005

My mother-in-law has requested that I assist her in purchasing a DVD/VCR
combo unit.  I explained all the reasons that it would be better to have 2
separate units, but she is insistent on the one unit for 3 primary reasons.
First is that her space is limited.  Second is that way she ...

I'm trying to fix a Sony PEG, and I'm not having any luck finding the
screwdriver I need.  It's a tri-wing, but it's tiny.  If it were a
phillips I would call it a 00.  Does anyone know where I can find one
of these things?  I called all the various departments at sony, but the

I got in a 17" LCD monitor with a dead backlite. It had a sampo
QPWBGLQ231DLF inverter for dual CFT lamps in it. It had no voltage on
either bulb, so i pulled the inverter board out.
It had a TI TL1451 controller chip in it. I downloaded the TI spec sheet

Have taken apart TV remotes that have had various liquids spilled on
them and so far have been able to clean them up and make them usable.
Have a Daewoo Tv remote that needs disassembly but have been unable to
find any screws holding it together.  Have done some searching and

I have acquired the documentation from a defunct TV repair shop. It was from
a dear friend that gave up the business that he started when he was
discharged from the Navy in the 80's
This subscription documentation includes many 80's vintage perhaps early

Using rabbit ears works fine around here, but recently channels 2-5 are too
snowy to watch, channel 7 is sometimes OK, and channels 8-88 are fine.  All
stations have transmitters on the same mountain, so I'm thinking the problem
is with either TV or antenna.  I have moved the ...

I've got a couple of Panasonic NV-9100 U-Matic video players that display
similar symptoms.
The tape is withdrawn from the cassette by the loading arm (probably not the
best use of terminology, to be sure), but the arm halts before reaching its

The display on my four-year-old Powerbook G3/FireWire (Pismo) is
starting to flake out. It's had the usual regional dimness for a while,
mostly the lower-left corner, and I assume that's the CCL bulb. However,
now there's something digital going on. It manifests itself in

Hi, can anybody enlighten me whether Wavetek at some stage supplied
a Service manual for the Wavetek 9000 (at cost) which included the circuit
diagrams
and if so is there a place where one could purchase such manual.

Hi and thanks for reading,
I have acquired an old NAD2030 stereo amplifier that keeps blowing fuses.
I wonder if you know of a source of service manuals for such a beast!
Thanks again,

Beta (Betamax / Betacord) video recorders can be quite valuable
today as people strive to transfer their precious memories to DVD.
Sanyo machines are more reliable than their Sony counterparts, and

Just to save some time, would any of you guys happen to have the schematic for the Sony SLV-R5U
power supply in email-able form?
--
Stephen Sank, Owner & Ribbon Mic Restorer

I have a Sony KV32XBR400 32" TV that has recently started acting up.
While watching TV or movies every so often the screen will go black,
but the audio will continue fine. While the screen is black if we
change the channel or the imput the green indicator that tells you the

Can you help?
Greetings
Peter

A customer brought his PS2 to me (I run a repairshop) with this
problem:
When power is turned on, the red led begins to light on the front.
When pressing the button, the unit should turn on the blue led aswell,