Dicas Reparação SONY
Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDF201 | LOW BATTERY ADJUST | I was informed by the technician in San Diego of a problem ofnot being able to do low battery adjust. The problem is if the unit isset higher than 5.58 VDC as called out in the procedure, the unit shutsoff and no display on the RM-95. This prevents you | ||
| Sony | CCDF55 | LOW BATTERY ADJUST | I was informed by the technician in San Diego of a problem ofnot being able to do low battery adjust. The problem is if the unit isset higher than 5.58 VDC as called out in the procedure, the unit shutsoff and no display on the RM-95. This prevents you | ||
| Sony | KV27EXR15 | NO POWER WITH REMOTE, REPLACED Q-604 | Unable to activate power using the remote. I was able to getmomentary power on via the manual power button. Observed the voltage atbase of Q-601 the relay driver and it went to 1.2 volts then dropped to .4volts. The OVP line was low at 1.4V instead of | ||
| Sony | WMAF59 | SUBSTITUTED MAIN BELT IS LARGER THAN ORIGINAL | The part number is substituted to 3-539-830-00. The substi-tute belt is too big. Used belt part number 3-566-074-00. -HQ COMMENTS: I checked WRPC. They also sub to 3-539-830-00.Tokyo fax ( A911630 ) : The correct belt for this model is the one listed | ||
| Sony | D303 | SLED RUNS TO OUTER LIMITS AND STAYS THERE | When Play actuated, sled ran quickly out to edge of disk andstayed there. Motor would not shut off. Noticed that IC-502 - 14 was at2.4V (SLO) while IC502-13 (SL(+)) and IC502-15 (SL(-)) were at 1.7V asshown in manual. Found R-522 feedback resistor rea | ||
| Sony | EVT801 | MODIFICATION FOR USE WITH AC LINE LOCK CAMERAS | When the unit is used with an AC Line Lock Camera, randomletters may intermittently appear in the upper part of the picture. Alsoswitching noise may appear in the playback picture. | ||
| Sony | XR7180 | NEED PART NUMBER FOR HEAD CABLE | Need part number for head cable with connector. -HQ COMMENTS: The playback head flexible cable is supplied as part ofthe head it is not available separately. Please order part number1-543-506-11 to obtain the head and flex cable. | ||
| Sony | KV2900 | UNIT WON'T TURN ON AT 120 VAC | Unit came with no function. If you used ac variac and turnedto 140 VAC, unit will work ok. Checked all voltages at Q-601 and IC-601when AC is at 120 VAC. They are half of value. When its already(140 VAC), unit turns on. Bringing it back to 120 VAC u | ||
| Sony | TCH3600 | UNIT CONTAINS FUSE LINKS ON POWER BD NOT REFERENCED IN S/M | Unit has (2) 2.5A fuse links connected in series with thecollector of Q-501 and the bridge rectifier and in series with thecollector of Q-502 and the bridge rectifier. The service manual does notshow any reference to these fuses on page 27. -COMMENTS: | ||
| Sony | CFSW400 | MOTOR IN TAPE RECORDER SERVICE BULLETIN 234R RUNS TOO FAST | The replacement motor shown in tape recorder service bulletin#234R runs too fast. Why does this bulletin recommend using motor typeMMA-6B9RWBT, when the original motor type DNE-7700A is still availableunder its original part number (A-3133-221-A)? -HQ | ||
| Sony | CDX7520 | WILL NOT LOAD CD | When power was applied to unit, CD mechanism would move toload position and would not return to unloaded position. | ||
| Sony | FD2A | INCORRECT IC CASE STYLE, IC201 | The original part listed above is substituted to 8-759-602-XX.This substitute part is a suface mount device. The orginal part is a PCMount Device. The leads are too short to mount on the printed circuitboard. Original part is 8-759-602-99. Replacemen | ||
| Sony | WMFX43 | TUNER OPERATION IS TEMPERATURE SENSITIVE | Unit worked perfectly at room temperature but tuner would fadeout below 65 degrees Fahrenheit. Q-53 regulator voltage dropped to 0.8Vwhen unit was cool and up to 2.4 volts when unit was warmed up. Voltagewas unaffected by RV-53 (2.1V adjustment). Foun | ||
| Sony | XR4257 | STATIC AND LOW VOLUME ON RIGHT CHANNEL WHEN USING TAPE DECK | Unit has a lot of static and low volume on right channel. Theleft channel is ok. This problem was only on the tape deck tuner wasok on both channels. | ||
| Sony | XR4147 | EXCESSIVE WOW/FLUTTER | Unit has excessive Wow/Flutter. The technician replaced thebelt, arm assembly, spindle assembly and motor with no improvement. |