| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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. | ||
| Sony | CFS45 | BELT COMES OFF | Tape would not move in any direction. Found belt off motorpulley. | ||
| Sony | CFM31 | BRIDGE ON PCB | The only function that did not work was AM. | ||
| Sony | CFM31 | LEVER BREAKS | Customer forces record lever down, forcing lever (A) againstlever (B) which breaks or shears lever (A) pivoting stud which is a partof sub-chassis. Also this forces FF lever up breaking its guide postwhich is also a part of sub-chassis. | ||
| Sony | CF550 | INCORRECT SUB-MOTOR SUPPLIED | Original motor (8-834-009-01) requires 3 mounting holes whilesub-motor 8-834-009-10 needs 2. -HQ COMMENTS: Correct sub-motor number is X-354-931-41. | ||
| Sony | CF520 | MOTOR WILL NOT RUN | R401 opens. Motor will not run. | ||
| Sony | ALL AUD | SUBSTITUTE TRANSISTOR IS INCORRECT | The substitute transistor for 2SD667, listed as 2SA768 onfisch card and in the computer is wrong. -HQ COMMENTS: The only substitute is 2SD667A. This has been correctedin the 1988 Substitution Book. | ||
| Sony | ALL TVP | REPLACEMENT HEADS COME WITHOUT MOUNTING SCREWS | Replacement heads come without mounting screws. | ||
| Sony | ALL TVP | SERVICING IS DANGEOURS | The entire inverter power supply is directly connected to theAC line. When troubleshooting the power supply circuits, an isolationtransformer must be used. |