| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | ICF7370W | MISSING SWITCH ARM | Radio would not switch from FM to PSB band. | ||
| Sony | ICF7280W | COLD SOLDER JOINT ON CT4 | No AM. | ||
| Sony | HST49 | LEAKY CAP | Unit came in with no AM and no FM. The amplifier and tapeportion works fine. Checked B+ at Pin 7 of IC101 and found 18.5V (nocurrent draw by IC). Replaced IC101 (CX-168), still no AM or FM. | ||
| Sony | HST49 | DEFECTIVE TUNING CAP | After 15 minutes of operation, AM section stops operating. | ||
| Sony | HST49 | DEFECTIVE Q901 | Output IC (501, 601) failure. A hole was found in IC's afterthey failed. | ||
| Sony | HST49 | INCORRECT P/N | Service manual shows P/N 1-548-091-XX for tape counter, thiscounter will not mount in unit. | ||
| Sony | HST48 | DEFECTIVE IC HA1350S | Unit turns on but no sound from speaker A or B channel. Ifnew speakers are plugged in they will blow because of 28 volts comingthrough defective HA1350S output IC. This also pertains to the HST-68 andHST-69. | ||
| Sony | HMK339 | MISSING PART NUMBER | Part designated as spring plate on exploded view Page 32 ofS/M has no part number. -HQ COMMENTS: The part number is 3-554-215-00. | ||
| Sony | HMK339 | DEFECTIVE RUBBER ON REEL ASSEMBLY | The take up reel does not take up the tape properly. Tapeballs up between capstan and take up reel, and get damaged. This iscaused by lack of pressure between drive pulley and take up reel rubbersurface. | ||
| Sony | HME228 | WRONG VALUE CAP INSTALLED | No separation in stereo. All voltages looked OK - factoryerror. | ||
| Sony | HP219A | BOARDS HAVE CHANGED | Manual lists the part number as K-006-048-10, part beingreceived is K-0660-481-0. -HQ COMMENTS: The servo amplifier and DC motor set has been changed andthe former set is no longer available. The part number of the set(K-066-048-10) remains the same. | ||
| Sony | CFSD7 | LEVER NEEDED BENDING | Solenoids would click but tape mechanism would not move.Lever A would rise over cam gear A causing the mechanism not to bepushed down into gear. | ||
| Sony | CFSD7 | LINK LEVER BINDING | Cannot place tape deck in any mode. Forward LED on all thetime. | ||
| Sony | CFS55 | DEFECTIVE R308 AND SWITCH | B+ section of switch malfunctions either on tape or radio orboth at same time, also affects battery operation. R308 was also open. | ||
| Sony | CFS55 | DEFECTIVE LOCK PLATE | Buttons jammed up, lock plate too soft. |