Repair

TV picture compressed
Earlier today when I was watching a DVD the picture on the TV screen suddenly scrunched up -- the entire picture was compressed into the top half of the TV screen. I turned the DVD player off and went to a TV channel but the picture stayed scrunched up in the top half of the screen. I even unplugged the DVD player... 7 Mar 2005 19:19

request: xistor sub. for GE (Thomson) TV power supply
I have a TV, GE(Thomson) model# 13GP210B-F14 chassis# TX825TD with a problem in the 13.7v portion of the power supply. The transistor in the regulator is TP15 which Sams PhotoFact lists no substitute for, only the Mfr. Part No. of 198752. The part is in a TO-92 pkg with markings "3214" and "T335". Replacing 1... 7 Mar 2005 19:19

spareparts for DELL 1800FP monitor
I'm looking for the processor chip for a DELL 1800FP monitor. This is a LG LD803H monitor inside and the part I'm looking for is: U501 MC68HC908BD48 LG part number: 0IZZTSZ187A Any spare components or PCBs for this monitor? Harm The Netherlands ... 7 Mar 2005 16:42

Bearcat BC890XLT repair
I have a Bearcat BC890XLT scanner which seems todo most everything normally except receive anything. Inside, there's a Sharp switching regulator IC, an IR3M03A, which is running very hot. I'm not sure what this IC is for, since most of the radio is powered from the 5v and 8v linear voltage regulators on board. ... 7 Mar 2005 20:21

Need help fixing a Tek scope
Hi, I could use some help fixing a TDS640 digital Tek scope. The baselines of all four channels show an offset'ed sawtooth (different amplitudes and offsets for each channel) with a period of 4.5ms rather than a flat 0. When applying an input signal, it gets overlaid over the sawtooth but otherwise looks fine.... 13 Apr 2005 19:53

Sanyo PLC-8800N Front LCD Projector ghosting
Hello. This projector has a ghost to the left of objects on all inputs and the menu screen. On a black and white signal, the ghosting looks yellow. On color signals, the ghosting appears reddish. It doesn't appear that the red lcd has moved since the normal edges have all three colors in alignment. I don't hav... 3 Mar 2005 16:03

Panasonic TAU CT32SX12F Dead Again After Only 90 Days
This is a customer's TV. The first time that it was repaired I replaced Q801, IC801, D824 & the main AC fuse. Now 90 days later all of these parts & more have shorted or opened (Q801 is very burned & fried). Have there been any manufacturer's modifications on these models? Why did these parts fail again & why do th... 28 Feb 2005 08:20

Yamaha DSP-A492
I have a Yamaha DSP-A492. The above mentioned board contains the volume pot which has gone faulty.Mentioned on the board is VR301. I am needing to know the actual part needed to replace so I can maybe order from Maplins or a like parts place. I would also like to know how this board is connected to the main board, ... 24 Feb 2005 10:35

Kenwood receiver model:KR-X1000
Kenwood A/V surround receiver model:KR-X1000,year:1995 (I guess),when unit shuts down shortly after being turned on upon visual inspection I found the following parts were replaced before: Q18=2SB1570 Q14=2SD2401 Q2=2SC4137 R10=10 ohm,1/4w was replaced with 9.4 ohm,1/4w R6=10 ohm,1/4 was replaced with 9.4 ohm,... 24 Feb 2005 10:34

Perplexing CD Player Problem
I have a 14 year old Technics SL-PG100 which has given good service. Just lately, when I try to play a CD the player notes the number of tracks and but is unable to start on track 1. Usually it will start if I skip to a later track. It then plays fine and will cycle through track 1 on repeat. These home-made... 14 Feb 2005 20:59