TV Repair: Common Faults and Solutions.
Search:
Results: 87435
Results: 87435
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| SONY | CCDV11 | Moisture on tape indication | In the ccd-v11 owners manual on page 100 it refers to anemergency indication. moisture present on tape surface. is this right?how do we sense this? maybe if the tape sticks to the drum we can monitordrum rotation? -hq comments: there is no circuitry | ||
| SONY | CDXR79 | Adjustment of spindle drive offset | There is no adjustment in the service manual for the spindledrive amp. | ||
| SONY | CDXR77 | Adjustment of spindle drive offset | There is no adjustment in the service manual for the spindledrive amp. | ||
| SONY | KV2675R | Picture cannot be locked vertically, ic-301 see s/b tvp0236 | Ic-301/cx20129 was replaced with substitute ic: cx20193. thenthe picture was rolling vertically and could not be locked. -hq comments: as per service bulletin no. tvp0236 and (0025): cx20129(early production) and cx20193 (late production) are not inter | ||
| SONY | KPR36XBR | Character display vertical position, adjust l-102 (ic-104) | Volume, picture and bar display is too low. bottom half ofbars below picture looked normal. please advise how to adjust verticalposition. -hq comments: there is no vertical position adjustment. pin 18 ofic-104 (a) board is the vertical adjustment inp | ||
| SONY | XR7300 | Lamps | Part numbers for lamps pl601 - 605 are not listed in theservice manual. lamps are in display unit (page 28 of service manual). -hq comments: the display unit reference number 915 is a complete com-ponent which contains the lcd, the display drive ic-606 | ||
| SONY | FH50WX | Wiring harness | Need part number for fh-33 wiring harness if possible.suspect this is a european model. -hq comments: you are correct the fh-33 is a european model. the partnumber for the wiring harness is 1-558-567-11. this is the same harnessas used in the fh-50wx. | ||
| SONY | STRAV780 | No sound on left channel | Sound was coming out on right side only and the displayindication was all the way to the right. data from the key matrixcontroller was reaching the main controller, but the main controller wasnot sending data to asp chip. replaced ic-251. -hq comments | ||
| SONY | SLV70HF | Tracking meter bar does not appear on the screen | When playing back a tape, the tracing meter bar does notappear on the screen. -hq comments: the tracking meter bar only appears on the screen when therecording is in hi-fi. it only appears for a few seconds and thendisappears if tracking adjustments ar | ||
| SONY | CFS20 | Service manual availability | Is cfs-20 a u.s. model and is a service manual available? -hq comments: this is a 1981 japanese model. we have a service manualthat you may borrow. | ||
| SONY | CCDF40 | Rolling of time and date | Slow, intermittent roll, top to bottom of time and date. noroll in picture. roll is recorded on tape. | ||
| SONY | XR7180 | Unit damaged during servicing | Pins 7 and 10 on (main) board are not connected to ground via pin 4 of cnp-909. there may be a break in the trace, but the technician has not been able to locate it. | ||
| SONY | STRAV1010 | No volume in surround speakers | Actually, when stereo signal applied to cd or other inputs,surround speakers worked. fm not going into stereo mode. mono fm causedno sound in surround speakers on all modes except simulated. fm mono dis-tortion level very high. | ||
| SONY | CCDV5 | No video | No video when playing vcr, the characters in the evf wererolling, i.e., no vertical sync. reference v signal was present at inputof (vc-10) board, pin 15, but not at output, pin 7, (vc-10) board. if ipassed my hand over ic-003, the display would try to | ||
| SONY | SL2005 | No operation with battery | Unit would not work with battery but worked ok with ac input.when battery was installed, dc line measured 12 volts but quickly droppedto 1vdc when on/off switch was pushed on. the set worked ok with batteryholder disconnected and external dc applied to | ||
| SONY | STRAV300 | Unit turns on when plugged in/missing ground jumper wire | 1. unit will turn on when plugged in even though it was un-plugged while off. 2. unit goes into protection. | ||
| SONY | SLV757UC | Checking timer settings | We do not have an operation manual. how does the customercheck this timer - activated recording settings: -hq comments: please have customer check page 49 of the owners manual. | ||
| SONY | AC40A | Ac-40a ac adaptor is no longer available | The ac adaptor, ac-40a, is no longer available. this adaptorwas 6v at 800ma. what is a suitable replacement ac adaptor? -hq comments: please use the ac-d468 as a replacement. the ac-d468 isswitchable 6, 9, 12v at up to 800ma. | ||
| SONY | FD40A | Ac-40a ac adaptor is no longer available, use ac-d468 | The ac adaptor, ac-40a, is no longer available. this adaptorwas 6v at 800ma. what is a suitable replacement ac adaptor? -hq comments: please use the ac-d468 as a replacement. the ac-d468 isswitchable 6, 9, 12v at up to 800ma. | ||
| SONY | CCDV220 | Video edit | There seems to be some confusion with our dealers on whetherthis unit does a video insert without erasing the pcm track. -hq comments: no, an audio dub may be done after recording video, but avideo dub is not possible. |