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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| 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 | ||
| Sony | STRD2010 | INCORRECT PART NUMBER T-901 | Part number listed in the manual is incorrect. | ||
| Sony | KV27HSR10 | NO PICTURE, TROUBLESHOOTING METHOD | 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 | XR7070 | CORRECT PART NUMBER FOR Q325 | What is the correct generic and nine digit part number forQ-325? The schematic calls for a 2SB-1132. However, in the parts list,it lists Q325 as a 2SB-1175HFE. The transistor is a chip component, andthe only markings on it are AB. What part is suppos | ||
| Sony | SPP300 | NO DIAL TONE - Q610, Q611 | Unit will not work. | ||
| Sony | CCDF77 | PICTURE BREAKS UP AFTER WARM-UP | Picture breaks up after playing for a few minutes. If youspray component freezer on IC-201 picture comes back. | ||
| Sony | CCDF45 | AUTOFOCUS SEARCH TO INFINITY | Autofocus searches to one direction and passes thefocusing point to infinity. |