| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | MDP550 | DEAD UNIT - RESOLDER IC102 ON FP-746 BOARD | Unit dead, no +5V. Traced problem to display board. | ||
| Sony | MDP550 | NO DISPLAY/NO PICTURE-REPL DRY CAPS C101/02/08/10 /FP746 BD | No display. | ||
| Sony | MDP550 | WON'T PLAY OR EJECT - REPLACED PICKUP ASSY & COMPLETE ADJUST | Won't play or eject. | ||
| Sony | TCWR565 | NO TAPE FUNCTIONS - RE-SOLDERED D701 | Capstant motor turns. Assist motor tries to engage, spins.No play may fast forward and rewind. B door stuck shut as head was inplay int. | ||
| Sony | TCWR400 | IRREGULAR MOTION OF DECK - REPLACED CRACKED REEL MOTOR GEAR | When in play mode and stopping or changing directions mechwill go into ff or rw or will not stop and eats the tape. | ||
| Sony | TAE90ES | SHUT DOWN AFTER 5/10 MIN - REPL THP601/602 ADJ. | Thermistors THP601/602 open up because of excessive currentdraw. Found idle current for both sections was set too high fromfactory. Measured before adjustment and it was 450mv not 200mv as perservice manual. | ||
| Sony | STRGX700ES | PROTECT MODE ENGAGED - ADDED JW623 | Protect mode was engaged. 0.8v dc offset at all amplifieroutputs. Discovered 9-10 ohm difference between pin 7 ground of IC502 andamp circuit ground. Also, dc voltages at pins 5-6 and 10-11 of IC501 (STK3102 II), while still giving proper bias drive | ||
| Sony | STRD915 | SPEAKER PROTECT IN ALL MODES BUT ACOUSTIC - REAR PWR AMP DEF | Unit would go into speaker protect in every mode butacoustic. | ||
| Sony | STRD915 | NOISE IN OUTPUT | Unit had noise in output with volume control down. Noisewould not increase with volume control. | ||
| Sony | STRD615 | RESISTORS R620, 621, 721, 720 - 2 WATT RESISTORS | R620/621/720/721 are 0.22, 5 watt resistors. Part list120860211 is .22 2 watts. -HQ COMMENTS: The schematic and parts list identify these resistors as0.22 ohm, 2 watt, non-flamable resistors. | ||
| Sony | STRD1011 | NO SURROUND SOUND FUNCTION - REPLACED IC403 (5V REG) | Surround sound doesn't work at all. Checked clock on IC405 and there was no clock signal. | ||
| Sony | SAVA1 | NO AUDIO OUT, DISPLAY WORKS - REPLACED SELECTOR IC | No audio out display works. | ||
| Sony | RMU141 | REMOTE WILL NOT OPERATE UNIT -REPLACED REMOTE | Remote will not operate 5 disc cd player. Customer's 3rdremote for same problem. Remote will run cd for a period of time but thenstops working all other functions on remote work. | ||
| Sony | MHCC405SS | WON'T SPIN DISC OR FOCUS - UNJAM OPTICAL BLOCK ASSY | The unit will neither spin the disc or perform focus search. | ||
| Sony | MDS535 | NO AUDIO LEFT CHANNEL IN RECORD MODE - REPL IC671 | No audio left channel when recording. Found IC671 linebuffer shorting the input audio to ground. |