Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | BMC550 | IMMEDIATE SHUTDOWN - RV-201 | Unit shuts down immediately after pressing Record. Found badspot on drum speed adjustment pot. | ||
Sony | BMC550 | TROUBLESHOOTING THE CLOG DETECTION CIRCUIT | Since the clog detection circuit is on for only about 200milliseconds, after a record pause it can be difficult to troubleshoot.Even if playback a known good tape to troubleshoot the voltages and wave-forms needed are not on the schematic. | ||
Sony | BMC550 | TRANSPORT STOPS AFTER REC BUTTON IS PUSHED | With unit loaded with a blank tape and fresh battery or powersupply, unit will power up. Seconds after REC button is pressed unitstops (not emergency shutdown). Pressing REC button immediately aftercauses identical symptoms. | ||
Sony | BMC550 | UNIT LOADS AND UNLOADS, BUT DOES NOT RECORD | The unit will load and unload tape. On loading, the drumspins for about one second, then the unit shuts down. | ||
Sony | BMC550 | PART NUMBER FOR A.C.E. ASSEMBLY | I would like the part number for the complet A.C.E. Assembly. -HQ COMMENTS: The part number is A-6736-048-A. A supplement will beissued soon. | ||
Sony | BMC550 | NO PART NUMBER FOR PINCH ROLLER ARM | Arm that pinch roller is mounted on does not have a part num-ber listed in the service manual. See page 105 for parts breakdown. -HQ COMMENTS: This part is available only as an assembly. Part numberX-3690-114-1 will give the entire assembly. | ||
Sony | BMC550 | POOR COLOR - VERY LOW GREEN AND BLUE | The unit recorded very poor color with almost no green andvery little blue. We found the problem to be caused by a (noseeum) acrossRV70 on the PM-2 board. There was approx. 150 OHMs to ground from thehigh side of the control. This of course loaded dow | ||
Sony | BMC550 | PART NUMBER OMISSION | Part number for drum base assy is missing from service manual.Found that the same part is used in BMC-1000. The part number for thedrum base assy is X-3690-109-1. | ||
Sony | BMC550 | P/N FOR TRIPOD PLATE | Page 105 in S/M shows tripod plate (to the right ofRef. #170). Please inform P/N. -HQ COMMENTS: P/N is 3-690-251-01 and is now registered at KCP.This is also used for BMC-660/1000. A S/B will be issued. | ||
Sony | BMC550 | NO DRUM ROTATION | No drum rotation when record button pressed. | ||
Sony | BMC550 | NO CAPSTAN OR DRUM ROTATION | Pressing record button, no capstan or drum rotation. Allsignals from system control OK. Found no output from Pin 12 of IC201,CS-5 board. IC201 was defective. | ||
Sony | BMC550 | MISSING PART AND PART NUMBER | Need P/N for four screws that fit into Ref #374 on page 109.These screws are not shown in the pictorial. -HQ COMMENTS: The part number for the screws is 7-685-862-09. Forscrews BVTT 2.6 x 6. | ||
Sony | BMC550 | MICROPHONE COVER P/N | There is no parts breakdown for the mike and to replace thecover only which snaps on, you have to replace the whole mike assembly.Could you get us the part number for the mike? -HQ COMMENTS: The microphone hoods will be available shortly from KCP.The ho | ||
Sony | BMC550 | UNIT COMPLETELY DEAD | Unit came in, no function. Checked all common areas concern,fuse links, etc. everything OK. Found Pin 38 IC001 always low. Tracedproblem with ohmmeter but unregulated B+ present on both sides. | ||
Sony | BMC550 | DISTORTION IN UPPER AND LOWER PORTION OF PICTURE | Upper and lower portion of picture was distorted only duringa short period of time after standby to REC or REC PAUSE to REC. Afterthis point, playback picture appears normal. |