Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | CCDF33 | NO PLAYBACK PICTURE | No Playback picture. Q-224 (soft limiter) is not turning ondue to low dc bias. | ||
Sony | KV19TR20 | DEAD, REPLACED OPEN C-605 | Relay would not close. Relay was checked along with Q-601,R-611, R-610. Both diodes only developing 50V DC. Found ripple presenton positive side of C-605. Because of this ripple the DC voltage droppedto 50 volts DC. Found one leg missing from C-605. | ||
Sony | SLV575UC | NO DIGITAL COUNTER | The digital counter for hours and minutes lights up with zerosbut does not count. Tracking is ok, CTL is locked and picture plays backok. Note: CTL is used for the digital count. CTL was present on pin 67 of servo/system control (IC) butmissi | ||
Sony | XVD300 | SCRAMBLED PICTURE IN DIGITAL MODE | In digital mode the picture was scrambled. Sync and writeclock were present at both IC-101 and 102. Video and demodulated chromaalso present at normal waveforms. | ||
Sony | TCWR930 | NO PLAY FUNCTION A OR B | Unit would not Play, Fast Forward, nor Rewind on either A orB decks. Motor would turn and display is ok. | ||
Sony | PSLX520 | PILOT LIGHT COMES ON BUT NO START - NO MOTION | Turntable would not turn only pilot light would turn on. | ||
Sony | STRAV910 | LEFT CHANNEL OUT | No left channel. Intermittently would activate protectioncircuit while checking voltages around the circuit. | ||
Sony | HCDH5 | NO FM OR AM | No AM/FM. All other functions work ok (CD, tape decks ok).Would get FM signal L and R channel ok to IC-705. Suspected signal selectIC replaced it but did not help. Checking further found that I wasmissing the 5.2V at pin 10 of IC-705. The 5.2 volts | ||
Sony | CFSW900 | NEED PART NUMBERS AS INDICATED | Need part number as indicated on attached exploded view ofthe mechanical deck. The part is shown, but there is no reference numberindicated. -HQ COMMENTS: The reference number for the part in question is 365. Thepart number is 3-313-812-00, as indicat | ||
Sony | SPPD15 | CANNOT PUT HANDSET IN TEST MODE | To Tokyo: I followed your procedures in the service manual onputting the handset in the test mode. However, it did not work.Could you please check it out and respond as to the correct procedure. -HQ COMMENTS: Tokyo fax (T91023): To put the handset in t | ||
Sony | FD10A | PART NUMBER FOR DIAL POINTER | Part number for dial pointer is missing from the servicemanual. -HQ COMMENTS: There is no separate part number for the dial pointer.This pointer comes as part of the front cabinet. Please see the ServiceManual Supplement No. 1, issued in October of 86, | ||
Sony | SLV373UC | TAPE RUNS FAST IN PLAY MODE | In the Play mode the tape runs fast because of missing FGpulses from the capstan motor. | ||
Sony | CCDF55 | INTERMITTENT OPERATION | The unit will operate intermittently. | ||
Sony | EVC3 | NO COUNTER - SHUTS DOWN WHEN REW/FF IS PUSHED | Counter does not operate. If FF or REW is pressed during PLAYthe unit shuts down. | ||
Sony | EVC3 | TAPE COUNTER DOES NOT WORK | All functions operate normally except tape counter won't countand won't reset. |