| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KPR46CX10 | NO VIDEO, REPLACED IC4402 | Unit displayed no video. Talked to one other servicer aboutthe same problem on another unit today which has the same problem. Thisalso pertains to unit with serial number 8001646. | ||
| Sony | CDP38 | E-F BA1 ADJUSTMENT | How do you perform step 6 on page 8 of the E-F balance adjust-ment? Should step 6 be, (return RV-104 to its original position or tryto adjust as shown in step 6, page 10)? -HQ COMMENTS: As with any CD alignment, the adjustments must be done inorder (pl | ||
| Sony | CCDF40 | AFTER AWHILE PICTURE GETS LINES AND VF GOES BLANK | Picture became distorted after recording for 20-30 minutes.As if the camera was loosing sync and ACC control. | ||
| Sony | CCDV99 | UNIT DOES NOT RECORD IN HI 8 THROUGH COMPOSITE VIDEO IN | The unit will not record in Hi 8 through the composite videoinput. -HQ COMMENTS: This is normal operation for this unit. | ||
| Sony | CCDSP7 | AFTER AWHILE PICTURE GETS LINES AND VF GOES BLANK | Picture became distorted after recording for 20-30 minutes.As if the camera was loosing sync and ACC control. | ||
| Sony | XR7150 | DISPLAY DEAD - NO FUNCTIONS | No functions, dead display. IC-301 had already been replacedonce. Replaced it again - same. Found that the ACC sensing line, pin 11was at 1.6, instead of 3.9V. Traced problem to some sort of conductivematerial loading line at intersection of R-372, R | ||
| Sony | CFSD960 | WRONG RESISTOR VALUE ON SCHEMATIC | After replacing defective output IC and limiting resistor,there was no sound due to low supply voltage to output and bass amp ICs.Resistor is marked 3.9K instead of 3.9 Ohms. Part number and descriptionare correct on parts list. Low voltage was, of cou | ||
| Sony | KV8AD10 | MISSING DEGAUSSING COIL AND CIRCUIT | Customer (local channel 2 broadcaster) has purchased 18 unitsand plans to purchase 8 more in the near future. The last two units re-ceived do not have the degaussing coil and circuit. This renders the setsuseless for their application since they are in | ||
| Sony | SPP110 | INCORRECT PART NUMBER FOR HANDSET ANTENNA | Service manual shows 1-503-389-11 for antenna. Actual partnumber is 1-501-389-11. -HQ COMMENTS: Thanks for the info. I will publish a service bulletin. | ||
| Sony | CDPC70 | NO MUTING WORKS DURING PROGRAM AND SHUFFLE MODE | There is a moment noise just before the beginning of the nexttrack in. Program or shuffle mode on certain (disc - not all) sample discof customers is the Cars Greatest Hits manufactured for RCA. Noise showson this disc between 7-9 tracks in program mod | ||
| Sony | CCDF30 | SHUTDOWN AND CONTROL LOCKUP IN REW AND FFWD SCAN | When using REW or FFWD scan in play mode, unit would stoprunning and not allow any functions to operate unless power was removedand reset. Traced to IC-191 on FC-18 no 5 volts out to key scan. | ||
| Sony | CDXA10 | NOISE AFTER PERFORMING UPGRADE | Servicer performed upgrade as per service bulletin No. 135.He now reports that unit is noisier. Any other feedback on this? -HQ COMMENTS: We have not had any negative feedback. Is it possible hedid something wrong? | ||
| Sony | EDV9500 | POOR PIX IN ED MODE | Poor picture recorded in ED mode with metal tape. Recordingslooked fine when recorded in normal mode. Unit was previously at twoother servicers. Suspected bad heads but unit had only 80 hours of use.Record current adjustment was checked and verified. | ||
| Sony | CDPC7ESD | UNIT WOULD NOT PLAY DISC | Unit would read toc and keep on running but would not play thedisc. The sled was not moving. In trying to repair the unit, I foundsevere errors in voltage polarities in the schematic. The 9V line and the+5 volt line are mis-labled at Q-911 and Q-921. | ||
| Sony | ICFC2W | CLOCK GAINS TIME | (Exchanged unit) customer complains that unit gains 5-6 min./wk. Manual instructs user to release M and sleep button when desired runtime appears for sleep function. If customer releases buttons at thesame time, unit will gain 1 minute each time sleep |