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Modelo - Chassis STRAV900
Pesquisa: STRAV900 Enviar Dica Resolvida
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV900 | FUNCTION BLEED-OVER - REFER TO S/B HFP #280 | Audio Bleeds over from one function to another, level is low,but noticable. Do we have any modification for this model. If so, pleasefax ASAP. Note: Problem similar to bulletin 225 on STRAV920/1020. -HQ COMMENTS: Use the modification outlined in S/B H | ||
| Sony | STRAV900 | NO AUDIO, EQ DISPLAY FULLY ILLUMINATED - IC832 OPEN | No audio - EQ display fully illuminated. Turning volume uppast half way caused shutdown. | ||
| Sony | STRAV900 | DISCREPANCY IN THE VALUE OF F-801 AND F-802 | Unit came in with Q-766 and Q-765 shorted from C-E. F-801 andF-802 were also blown. The service manual parts list shows F-801 for(AV900) this model as a 6.3 amp fuse while the unit itself has a label for8 amp fuses. The blown fuses were of the 8 amp v | ||
| Sony | STRAV900 | NO POWER CONTROL | Unit had previously been worked on for power surge. Three ICs(IC-404, control computer/IC-301, display control/IC-302-GEQ, displaycontrol) had been changed for no turn on. Checking the Must Havesrevealed +5Vdc ok but the osc. signal Stop signals were i | ||
| Sony | STRAV900 | SERVICE MANUAL CORRECTION | Service manual schematic and PCB layout diagrams are quitedifferent from the PCB in this unit (especially in the systems controlarea). | ||
| Sony | STRAV900 | NO STATION MEMORY | Unit had other problems Dsply bd. was replaced w/ new bd.Unit did not retain memory - when unit was turned on or off, a flashing/blinking dsply would occur. On battery voltage to memory, saw when pwrwas rmovd from unit, memory battery voltage drops to | ||
| Sony | STRAV900 | PART NUMBER NEEDED - INSULATING MICA | Is there a part number for the insulating mica for the outputtransistors (2SC3856 and 2SA1492)? -HQ COMMENTS: The mica insulators are shown on page 29 of the servicemanual as reference number 57. Part number is also listed it is4-885-901-31. | ||
| Sony | STRAV900 | PROTECT COMES ON AFTER 10 SECONDS | Protect comes on after 10 seconds. | ||
| Sony | STRAV900 | SERVICE MANUAL ERROR | Should D-803 have a jumper across it? Are there any moreerrors you are aware of? -HQ COMMENTS: No D-803 should not have a jumper across it. We are nowchecking for other errors. | ||
| Sony | STRAV900 | INTERMITTENT AUDIO LOSS - INTERMITTENT PROTECT ACTIVATION | If protect mode activates, approximately 3 VDC present atoutput of one or both power amps. Intermittent loss of audio, usuallyleft channel. Intermittent activation of protect circuit. These symptomsare independent of each other. Intermittent connecto |