Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | STRD2020 | RIGHT CHANNEL IS WEAK - REPLACED VOL CONTROL | The right channel is noticably lower in volume when referencedagainst the left channel. | ||
Sony | STRD2020 | DEAD - REPLACED DAMAGED AMP BOARD | Unit overheats, found 1 found ground hard wire not sticking tosteel. C724 bowed top, shorted outputs, main 8A fuse blown. Q612's soldermelted & ring cracks. Same unit was in 8/31/93 for main board when C724leaked on board & corroded board. | ||
Sony | STRD2020 | NO DISPLAY, SOME LED'S LIGHT UP, NO AUDIO, Q612 8-729-209-15 | No display, no audio, and some LED's came on. | ||
Sony | STRD2020 | THE UNIT DISPLAYS "PROTECTION" ON DISPLAY - FAULTY IC613 | No sound, and would display protection. The customer saidthe unit went out during a thunderstorm. | ||
Sony | D202 | UNIT WILL NOT ENGAGE PLAY - PLAY SWITCH DEFECTIVE | Unit will not engage play. | ||
Sony | STRD2020 | INTERMITTENT NO AUDIO OR RTA DISPLAY - RESOLDER IC613 | Unit had no audio and no display on RTA/EQ display. Pin 3(chip enable) of IC-313 was low. Found pin 65 (LT1) of IC-613 to have apoor solder connection. | ||
Sony | STRD2020 | NO DISPLAY | No display. Radio and all other functions work (audio works). | ||
Sony | STRD2020 | UNIT IN PROTECT MODE AFTER POWER UP, BAD GROUND CONNECTION | Unit in protect, B+ was at +56.6V and B- was at -70.1V. | ||
Sony | D202 | ELEC. ADJUSTMENTS DIFFICULT DUE TO LACK OF EXTENSION CABLES | Adjustment of this unit is difficult due to mounting of themain board and optical block. Are any extension cables available for FOPmain board connections or should we just build our own? -HQ COMMENTS: Extension cables would make the D202 one of the eas | ||
Sony | D202 | UNIT PLAYS OUTER TRACKS, RETURNS TO INNER TRACK AND STOPS | Small rip in FOP ribbon cable (right side from above) at FOP. | ||
Sony | STRD2020 | HISS SOUND ON SURROUND REAR SPEAKERS AFTER 30 MINUTES | All speakers play good however, after 30 minutes the rearsurround speakers would gradually start hissing noise. | ||
Sony | STRD2020 | NO LEFT CHANNEL AUDIO | No left channel audio. Traced audio back to IC-307 still didnot have audio. Went to IC-301 pins 2 and 27 had audio. Thought IC-301or IC-307 had to be bad because the digital path was still sending rightchannel audio throughout digital 1 PCB until it b | ||
Sony | STRD2020 | NO AUDIO OR DIGITAL OUTPUT | No audio output and no equalizer display, audio relays turnon. | ||
Sony | STRD2020 | INTERMITTENT LOSS OF AUDIO | Low current failure. Loss of audio signal all modes, and allfunctions. Tapping unit may cause or correct problem. | ||
Sony | STRD2020 | MAJOR OUTPUT FAILURE - NO OPERATION | Both units have the same failure shorted Q-702, 703, 704,705, 706, 707, 708, 709, 710. Defective IC-701, and open F-902. Alsoapplies to serial number 801035. Have not been able to determine whychannels are being wiped. We have noted poor and open sol |