| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDP261 | DRAWER WON'T OPEN - SOLDERED ON LEAD OF JW45 | Drawer won't open due to no VCC on IC204. Also found no +7 volts on pin 22 of cnp101. | ||
| Sony | LANC JIG | NO RM-95 EMULATION | We had a LANC jig that simply did not perform properly.There was no RM95 emulation and the jig would never detect a camera.After performing the modification the jig worked, but the RM95 emulationwas temperamental. The waveform adjustment did not have | ||
| Sony | XRU880 | NO AUDIO (FOUND C306 AND C308 HAD LEAKED) | No audio from tape deck. C306/308 standard electrolyticcapacitors leaked onto EQ board. Traces aaround C306 were corroded andphysically lifted off the board. Electrolyte seeped through feedthroughs and stained the mechanism. All feed through are blac | ||
| Sony | XRU700 | ERRATIC TAPE DECK OPERATION (FOUND ROTARY SLIDE SWITCH BAD) | Tape would load in steps then eject. Very erratic movementof tape transport. | ||
| Sony | XRU330 | DEAD (FOUND C102 HAD LEAKED, CAUSING DAMAGE TO 5V TRACE) | Unit dead. Found 5V line to IC201 pins 3/4 at 2.5v.Discovered C102 leaked and corroded a trace. | ||
| Sony | XRU220 | DEAD (FOUND LEAKING C102 CAUSED DAMAGE TO 5V LINE) | Unit dead. Found 5V line to IC201 pins 3/4 at 2/5v.Discovered C102 leaked and corroded trace. | ||
| Sony | XM2042 | INTERMITTENT AUDIO, FOUND BROKEN SOLDER CONNECTIONS ON JACKS | Line input jacks create cold solder connections due tovibration and handling/installing/removal of RCA jack. These jacks seemto be supported by main board only. Factory installed small pieces ofrubber for support, but they fail. | ||
| Sony | MDXU1 | GEAR REF. 310 GRINDS DURING LOAD, DAMAGES GEAR TEETH. | Gear ref. # 310 grinds during load, causing the teeth to getchewed up. FPR P3402 states to replace the gear. Discovered that geargets ground up because of poor solder on SW621 (loading-end detect switch)causing loading motor to run too long. | ||
| Sony | CDXC490 | ERRATIC OPERATION FROM KEY SWITCHES, FOUND OPEN GROUND TRACE | All key switches function wrong. Examples: Select buttonwould turn unit off AM would switch FM function presets at wronglocations. | ||
| Sony | CDX600DSP | NOISE IN AUDIO, MAY NOT PLAY AT ALL IF EXTENSION CABLE USED | When using the extension cable for troubleshooting the CDmechanism, static noise may be heard in the audio. Sometimes, the unitwill not play a disc at all, or the disc may be ejected while beingplayed. -SOLUTION (found by K. Budoff): Removing C309 from | ||
| Sony | CDX600DSP | TICKING NOISE IN CD AUDIO (FOUND IC2 ON SERVO BOARD BAD) | Confirmed ticking noise in audio only when playing CDsAM/FM ok. | ||
| Sony | CDX5090 | UNIT SKIPS EASILY (FOUND OPTICAL PICKUP DEFECTIVE) | Unit skips easily. Found optical block to be weak. | ||
| Sony | CDX5090 | FACEPLATE WILL NOT STAY ON (REPLACED LOCK ASSY, REF. #3) | Faceplate will not stay on. | ||
| Sony | CDX4090 | INTERMITTENT DISPLAY, FOUND BAD SOLDER CONNECTIONS ON LCD801 | Display intermittent. | ||
| Sony | CDX4090 | CD SECTION INOPERATIVE (FOUND OPTICAL PICKUP BAD) | CD inoperative. |