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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | EVDT1 | NO POWER TAPE JAMMED IN UNIT | Unit came in with tape jammed in the mechanism. After thetape was removed, the set would not function. The standby lamp was lit at all times when the set was plugged in. No other functions were operable. | ||
| Sony | CCDF55 | NO PICTURE AND SOUND PLAYBACK | No picture and sound during playback. Found screw No. 26,page 102 too long which causes FP-247 damage at the middle (open pinNo. 11 and No. 12). | ||
| Sony | CVPG500 | UNIT DOES NOT PRINT | The bracket just above reference number 211 on page 105 ofthe CVPG500 service manual was bent at the point where the post goes intoreference number 204. | ||
| Sony | GV8 | DISTORTED VIDEO DURING PLAYBACK | Distorted video playback. Record was fine. Appeared tobe loosing sync partially and tearing in picture. | ||
| Sony | D15 | HYPERACTIVE SLED MOTOR CAUSING SKIPPING | Skipping - overactive sled motor. Replaced laser, servo ICs,and even boards to no avail. | ||
| Sony | CCDF55 | DISTORTED PICTURE, LOOKS LIKE CLOGGED HEADS | Picture looks like bad heads. | ||
| Sony | CCDF33 | NO VIDEO OUT - CAMERA MODE | Iris closed, no output from drive IC807. When pin 6 ofIC-807 was taken low, the iris opened.Proper operation of the Iris detect circuit was verified by biasing ONQ-644, Q-611 and Q-609. However, Q-609 collector stayed at 4.8 V.Found R-626 at the emitte | ||
| Sony | KV20EXR10 | CLOCK IS RUNNING FAST, SEE SERVICE BULLETIN 87R1 | Clock is running fast, gaining about 1 hour 50 minutes a day. -HQ COMMENTS: Please see Service Bulletin number 87R1 for additionalinformation . | ||
| Sony | CFSD960 | FAST FOWARD SLIPPING | When FF a tape from beginning, the movement is smooth. How-ever, the T/U reel gets full, the limiter assembly number 519 looses firmcontact with reel gear number 530. There is gear grinding then eventuallyno more movement. -HQ COMMENTS: Tokyo has been | ||
| Sony | XR7200 | UNIT DEAD | Unit dead, tape operates. No display or audio. | ||
| Sony | CFD68 | STRIPPED GEAR - REF202 | Gear has two teeth tracks. Smaller set at center of gear hashad teeth broken off all around. No proof, but appears the problem is dueto an intermittent limit switch. FOP will come in to read T.O.C. andsled motor will continue to run, causing gear to sh | ||
| Sony | CCDG1S | DEAD | DC DC convertor would not turn on. Placing 4 volts DC onoutput of IC-431 caused the unit to work. | ||
| Sony | KV27XBR10 | INTERMITTENT VERTICAL COLLAPSE, REPLACED THE ARCING CRT | This unit had a vertical collapse problem due to static sig-nals getting into the jungle IC-301. One way to isolate the problem isto monitor vertical drive of pin 31 of IC-301 with a scope. Made a note ofthe interuption of the vertical signal of pin 31. | ||
| Sony | KV2675R | RELAY CHATTERS, C-609 OPEN | When unit is turned on, relay chatters and shuts down.Replaced relay and traced to C-609 which was defective. | ||
| Sony | TAE77ESD | DIGITAL INPUT DOES NOT FUNCTION | Digital input 1 and 2 do not function. All other inputs checkOK. |