| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR10 | NO PICTURE, HOW TO TROUBLESHOOT THE IK CIRCUIT | As you may have noticed, when servicing this and other unitsusing this particular IC-301, RGB lines at the IC level are blanked any-time the C board is disconnected. The main reason for this blanking isa cathode current detect line (IK). When the unit | ||
| Sony | KV27EXR15 | NO PICTURE, IK RELATED TROUBLESHOOTING | As you may have noticed, when servicing this and other unitsusing this particular IC-301, RGB lines at the IC level are blanked any-time the C board is disconnected. The main reason for this blanking isa cathode current detect line (IK). When the unit | ||
| Sony | KV20EXR10 | NO PICTURE, HOW TO TROUBLESHOOT | As you may have noticed, when servicing this and other unitsusing this particular IC-301, RGB lines at the IC level are blanked any-time the C board is disconnected. The main reason for this blanking isa cathode current detect line (IK). When the unit | ||
| Sony | KV27EXR10 | NO PICTURE, IK LINE RELATED TROUBLESHOOTING | As you may have noticed, when servicing this and other unitsusing this particular IC-301, RGB lines at the IC level are blanked any-time the C board is disconnected. The main reason for this blanking isa cathode current detect line (IK). When the unit | ||
| Sony | CDPC20 | ALTERNATIVE METHOD TO REPAIR BU BRACKET SUPPORT ON FRAME | A common failure on the CDPC20/30/40/50/70 series of playersis the need to replace the frame because the support that holds up the BUBracket breaks. Replacing the frame can take up to one hour. By using thespring from the CDXA10 as the new support for th | ||
| Sony | KV27EXR15 | CLOCK GAINS TIME, SEE SB TVP087R1 | Unit would gain two hours a day. The home tech at Costa Mesainstalled the modification (Tech Flash No. 39). Home tech informed meit resolved the problem. | ||
| Sony | PVM2030 | SCREEN NOT COMPLETELY BLANKED | With brightness and picture control turned down and in a darkroom, there is a visible illumination on a part of the tube. This is withno connections to video in. Connecting a generator to the video in andstarting with minimum signal, you can see the pr | ||
| Sony | GV9 | NO AUDIO ON PLAYBACK | No audio on playback but unit records audio. | ||
| Sony | FD240 | PYRAMID PICTURE/RASTER ON SCREEN, RESOLDERED L-501 | Getting a pyramid picture and raster on the screen. | ||
| Sony | FD230 | PYRAMID PICTURE/RASTER ON SCREEN | Getting a pyramid picture and raster on the screen. | ||
| Sony | D2 | UNIT DOES NOT FUNCTION | Unit does not function. Display works ok. No sled, spindlemotor or FOP movement. Service mode is same as above. | ||
| Sony | CDPC900 | WILL NOT LOAD DISC | There is a lot of free play in roller and brass bushing.Eventually, the gear that drives the roller comes out or the bushing fallsout or both. | ||
| Sony | EDV9500 | STREAKING ON PEAK WHITES DURING PLAYBACK | When playing a tape with white highlights or keyed insertlettering, streaking could be observed. | ||
| Sony | GEN-HFP | ACCESSIBILITY OF 1/2 VCC POINTS | Accessibility of 1/2 VCC points on these models:D9, CDXR77, CDXR79, CDX7540, CDX7580. -SOLUTION The 1/2 Vcc points on these models are as follows:MODEL 1/2 Vcc point location DC voltage----- ---------------------- | ||
| Sony | EDV9500 | PROBLEM ON NEW VIDEO HEAD | After replacement head was installed, the RF envolope from onehead was very low. Lapping head for 10 seconds restored proper operation. -HQ COMMENTS: New video heads will sometimes have sharp edges, andwill pick up oxide from the tape surface. Lapping |