TV Repair: Common Faults and Solutions.
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Results: 87426
Results: 87426
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | CCDV9 | P/n wrong for auto focus motor | Ordered auto focus motor, but part received is physicallydifferent. -hq comments: correct p/n is 1-541-536-01. a service bulletin will beissued with additional corrections as well. | ||
| SONY | STRAV950 | Filter capacitor part number | No part number. -hq comments: the part number is 1-125-430-11. the same capacitor isfound in the s/m str-av880. | ||
| SONY | SLHF750 | During playback, pressing index mark/causes distorted video | Ctl pulse was incorrect during index mark process causing unitto go out of servo lock momentarily. (multiple short ctl pulses). | ||
| SONY | TCW255 | Failure of ic-401 | No play or record on tape b. | ||
| SONY | CDXA20 | Disc will not load | Will not load disc. main cpu inhibitted. no serial clock in-put to pin 21 from rm-x2 (remote commander system). s. clock was lost onbase of q523: (wave form showing differentiation of s. clock pulse).found that board was missing r541. | ||
| SONY | ICF2010 | Intermittent turn on | Customer complained unit would not always come on with on-offswitch - but would operate with sleep control. | ||
| SONY | ICF2001D | Dead unit | Unit inoperative - completely dead. found x501 not soldered,one side. now readout restored - able to select band and frequency but nostation. found x3 defect. | ||
| SONY | SLHF300 | Memory i.c. | New (ss-32) boards are coming through with k1001 ics inmemory ckt. ic2. cannot use original cx-7959. i.c. will not work andwill overheat. | ||
| SONY | CDPC50 | Part number search | No part number for this part page 20, below no. 76. -hq comments: part number is 4-924-445-01 (bracket cbu). | ||
| SONY | BMC660 | No video | No video recorded on tape. yh signal was present on cn403 pin3 on (cv-1) board. yl-yh was too large according to manual waveformwas .8v instead of .1 volts. pin 36 of ic704, yl-yh also had incorrectwaveform, yh checked ok. dark inverted pix appeared | ||
| SONY | D10 | Remote operation intermittent | Remote operation very intermittent - unit will fail after 3-5days. it will operate manually with no problems. wiggling remote sensoror unpluging and reinstalling sensor seems to cure problem and unit willfunction properly for 3 to 5 days. checked for | ||
| SONY | CDP255 | Capacitors | Capacitor not soldered. service tech at costa mesa showed methe capacitors. the leads are to short to solder. capacitors are gluedin but not soldered. tech tells me of 4 units with this problem. | ||
| SONY | CCDV110 | Ic part numbers | Ics on (af-23) not called out in parts list - yet servicerneeds approval on board. | ||
| SONY | CDP17F | Part number problem in service manual | Servicer is trying to replace transistor q10 which the manualcalls a ba1l4l, no. 8-729-115-84. but the 9 digit part number is aba1l3n. according to the 1988 sub book, ba1l4l is part number8-729-115-82 and it does not show that these sub. | ||
| SONY | EVS700U | After doing s/b 271r fan motor noise would disturb video | Servicer complained that he had tried five fan motors per s/b271r and all five motors caused interference when watching video. it didnot effect audio. servicer states that he tried a motor from a unit mod-ified several months ago and he had no problem | ||
| SONY | CFS920 | Broken battery terminal board | Battery terminal board broken. this board has been foundbroken on two other units within three months. also, when ordering partnumber 1-622-407-11 (negative battery terminal board) positive batteryterminal board number 1-622-408-11 is received, ref. no | ||
| SONY | ICF2010 | Unit would lock-up if band was changed | Unit would power on. any band change would cause lock-up con-dition with loss of audio. display would remain on last band and stationselected. | ||
| SONY | PSLX235 | Unit hums | Tt part of sen-300a. when power cord connected to tt (noother connections made), unit would hum badly. | ||
| SONY | SPP300 | Part number correction | Part number in service manual = 8-729-201-79. part numbershould be 8-729-201-78. -hq comments: thank you for your information. we will publish a servicebulletin. 5/88: tel s/b # 005 was published this month. | ||
| SONY | D5A | Need correct part number | Two part numbers listed are: 1-507-787-21 n/a 1-507-870-00 n/aneed part number. note: position and shape of mounting tabs. -hq comments: we reported this problem to tokyo. the part number iscorrect. we will |