| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | SLHF840D | INCOMPLETE THREAD THEN EJECT | Unit would thread part way then unthread and eject. Could notfind any problem with the switches or end of tape sensors. The symptomsindicated a problem with rotation detectors but this style chassis doesnot have detectors under the reel tables. Found | ||
| Sony | SL2400 | POOR PERFORMANCE AT LOW (105VAC) LINE VOLTAGE | Loose servo lock at low line voltages (105VAC). Some unitshave this problem and others do not. Is there something I should bechecking in the power supply, or is this variation normal? -HQ COMMENTS: The power requirements of this unit are 120VAC+/-10%. | ||
| Sony | KV1370R | AUDIO OUTPUT FAILURE, SEE SERVICE BULLETIN #291R | Late production of KV-1370R uses discreet audio outputs thatfail and should be included in TV service bulletin No. 291R. The samecircuit as KV-1365, 1395, 1396 and 1397. -HQ COMMENTS: We will add the above models to the Service Bulletin No.291R. | ||
| Sony | WMD6 | DISTORTION IN RIGHT CHANNEL | Low level distortion in right channel in record mode. FoundC-203 open. | ||
| Sony | KV25DXR | ALL DISPLAYS APPEAR IN BLACK/HMH AND RGB BLANKOUT | All on screen displays ere black. HMH and RGB would blank outthe screen when they were selected. Found no output from IC306 - RGBoutput pins. Found no H.V. Blk. pulse on pins 8 and 9 going into IC306.Traced this back to (BD Board) output CKEY+UDHBLK. | ||
| Sony | CCDV110 | NO REEL COUNTER OPERATION | Reel counter looks like its trying to count (1st digit seemsto flicker) but stays at zero. | ||
| Sony | XR6150 | NO AMS FUNCTION OR AUDIO OUTPUT | No audio, no AMS. Dealers complaint: No audio output. FoundQ405 and PM901 destroyed. | ||
| Sony | XR7000 | NO AMS FUNCTION OR AUDIO OUTPUT | No AMS. No auto reverse. PM1 and Q801 were both fried. | ||
| Sony | ESR11 | ERROR IN MANUAL | this trans will not work. Manual should read P/N 729-177-43. -HQ COMMENTS: You are correct the type description in the schematic isincorrect as well as the part number in the parts list. The correctnumber is 8-729-177-43 for a 2SD774. | ||
| Sony | STRAV550 | DEAD UNIT | No oscillator IC351 found 5.5V on base of Q803. Q803 notturned on so no reset. | ||
| Sony | CDPC50 | MOUNTING OF LOADING GEAR | The screw and collar do not provide enough support allowingthe gear to lean forward (pivot) preventing the focus block from cyclingcompletely and jamming the tray. | ||
| Sony | KV27SXR10 | POP IN R-CHANNEL SPEAKER WHEN UNIT IS POWERED DOWN, R-844 | When the unit is turned off, a single pop resulted in rightchannel speaker only. | ||
| Sony | KPR36XBR | DISTORTED STEREO SOUND, REPLACED IC-8810 | Unit had distorted, low level audio in stereo mode. Noneperformed normal. | ||
| Sony | KPR36XBR | INTERMITTENT VIDEO, REPLACED D-5015 | Several units display same problem, found D-5015 was opening. | ||
| Sony | CDP110 | UNIT MAY NOT FOCUS OR MAY NOT TRACK | Unit may not focus or may not track. Power up unit andvisually view lens. If lens is off center or does not seem to have fullfocus travel, the problem is IC-2. When this condition occurs, it wouldbe normal to suspect the driver amps (IC6 and IC7). Ho |