Question about Sony Audio Players & Recorders
there is a dispay kit you can order from bosch to fix this problem. it will come with a new display board and power control which is located behind control panel as well
Posted on Nov 19, 2007
SOURCE: Sony PFM-50C1 Fuzzy Dim Display
Just want to let you know that the problem you are having is a bad X board. This board may not be available from Sony, because it is sold as part of the panel
Posted on Dec 06, 2007
I see this post has been here for quite some time. Sorry you haven't had an answer yet, while I can't say why, If you still are inquiring, the problem lies in the control and harness assembly. In my professional experience with almost all thermador of this era it's sometimes a bad solder on the control pin connector from the display,(which can be fixed by a proficient soldering person or conversely destroyed by a poor one) a bad transformer integrated onto said control, or other times just a bad harness, you'll likely need a control in any event. When you purchase a control ( # 1051714 for 302-double or 1051712 for 301 single oven models, and around $200US check your local parts depot or service center.) they should have new harness enclosed in the packaging of the control.
I just joined here less than a month ago, so I'm starting to see alot of post's I haven't seen before (there are many) and likely some may never get answered directly, but alot are the same if you search out similarities.
hope this helps.
**I should add this could be a job for a professional tech, who depending on how proficient they are or how the environment is set up, could handle this in 30-45 min or so. It is quite straight forward for one experienced with servicing thermador units. I would suggest you insist on an authorized b/s/h tech, they tend to have more of the update info if any or reworks etc.**
The above (re: hiring a tech) is just my opinion based on my professional experience and there may be opposing opinions, in the end you are the authority.
hope I've been helpful to you,
Posted on Oct 19, 2009
There are few websites offer schematics/ service manuals for products and your required schematics are available HERE for small fee. Because schamtics/ service manual is technical document of a product so it wont be available for free over internet as user/ owner manuals are almost free.
Hope these info will help you.
Posted on Jan 28, 2011
SOURCE: Yamaha front panel display dim
Yamaha RX-V661 LCD / Front panel. I keep the 220uf the same to be Good luck everyone, JimmySCW
Symptom: when you first turn it
on, you can see a VERY little light but after 5 sec, you cannot see it anymore
or for most of us, we started using a flash light. Here is the summary of the solution and I know that it works
because I fixed it today 3/16/2011, 30 minutes ago. As many pointed out that there is a
"light" 12v - 14v in the back but there is NONE. How do I know? I listened and searched and
there are NONE. The whole LCD in the front is air seal like a light bulb so it
is a light bulb already. Also, you might
see a little burn/gray smoke on the left hand side, don't worry about it
because if the light comes on, it stills work but not enough power. If the LCD
is broken, please don't try by the part and replace it because by the time you
read this, the parts and labor cost as much as buying a new one (on eBay and
not Best Buy).
Problem: in the middle of the unit near the back near the "surround
sound back", there are 3 capacitor rated at (2 units) 35v 220uf 85'C and
(1 unit) 50v 220uf 85'C. What Yamaha did wrong, base on my guess is that they
put the 85'C too close to the heat sink.
The heat causes the capacitor to slowly blown that is why you still get
your power to the LCD but not enough.
Solution: remove the top, unscrew EVERYTHING in the back and there are about 20 ~ good luck. For
those that don't have good memory, please take a picture. There are many plugs inside
that you need to unplug before you can remove 1st layer (audio/ video input)
2nd player (HDMI and Optical input), the last layer you will see 3 capacitors that
are kind of "blown" up (google "bad capacitors" pictures or
video). Remove them then replace them, which you can Google this on tube and
they should teach you how. It was very easy for me but then again, please don't
try to do it if you cannot even change your car oil or build a computer because
I believe that is the difficulty level.
solder iron: $9-$20 get it on eBay or radio
(2 units) 35v 220uf 105'C and (1
unit) 50v 220uf 105'C or what I got was (3 units) 50v 220uf 105'C
safe but increase the voltage and heat to increase the life of the capacitors.
I keep the 220uf the same to be
Good luck everyone,
Posted on Mar 17, 2011
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