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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDF501 | NO VIDEO IN RECORD OR PLAYBACK | Video was muted in Record or Playback. -SOLTION: Mask pulse from digital titler IC-901 into IC-201. Pin 29would not end when video was input into IC-201 pin 3. This was becausethe sync det line into IC-901 pin 11 would not stay high. IC-501 (syscon)p | ||
| Sony | KPR46EX20 | INTERMITTENT SHUT DOWN, REPLACED Q-617 | The unit would very intermittently shut off. The initial pro-blem appeared to be a typical high voltage shut down. Closer examinationshowed that it was caused by activation of the OVP line from the switchingpower supply G board. This was caused by a t | ||
| Sony | KV2645RS | INTERMITTENT FOCUS/BRIGHTNESS | After the unit was on for a while, it would intermittentlychange in brightness and de-focus. The problem was caused by intermittentarcing between pin 1/G4-Focus of the CRT and pin 12/G2-Screen. The arcingbetween these two pins was across the glass unde | ||
| Sony | KV27HFR | INTERMITTENT SHUT DOWN, REPLACE IC-681 ON "G" BOARD | The unit would very intermittently shut down. The relay wouldopen in the failure mode indicating a problem with the OVP circuit. Theproblem was caused by an intermittent power module DM-36/IC-681 in theswitching supply. Replacement resolved the proble | ||
| Sony | KV32XBR55 | PULLING/LIFTING FOIL FROM BOARD, Q-502 | Appears somehow Q-502 is pulling away from board. Pulling/lifting foil from board. Foil is still in contact on transistor withsometimes a cold solder joint. Usually emitter pulls down first, thencollector then base. I have seen this problem 6-12 time | ||
| Sony | KV27XBR | Q-502 "A" BOARD PULLING FOIL FROM BOARD HI DRIVE,NO SOLUTION | Appears somehow Q-502 is pulling away from board. Pulling/lifting foil from board. Foil is still in contact on transistor withsometimes a cold solder joint. Usually emitter pulls down first, thencollector then base. I have seen this problem 6-12 time | ||
| Sony | ITA505 | UNIT CUTTING OFF WHEN CUSTOMER PICKS UP OTHER PHONE | Unit cuts off when customer picks up other phone. -HQ COMMENTS: This problem occurs because when an extension phone ispicked up, the tel line voltage drops below 5 volts and the unit cuts off.A tech flash and a service bulletin have been issued to modif | ||
| Sony | CCDF40 | ONLY BLUE COLOR ON CAMERA MODE | When in camera mode, only blue color. | ||
| Sony | CCDV8AFU | CAMERA POWER ON-OFF PROBLEM | Camera switch does not function intermittently comes on whenbattery is put in. It then will not shut off. | ||
| Sony | EVS550 | NOISE LINES APPEAR (INTERMITTENTLY) RANDOM VIDEO DROPOUT | Noise lines appear randomly with video dropouts (Playbackmode). | ||
| Sony | CCDF55 | NO AUDIO ON PLAYBACK ONLY | No audio on Playback only. Work order number is W792381. | ||
| Sony | KV27EXR15 | LOSS OF COLOR IN UPPER HALF OF PICTURE, REPLACE D-308 | Very intermittent (location G-13) there would be a loss ofcolor in upper half of picture, especially when program change occurred. | ||
| Sony | TCDD3 | PREVENTING FLEX CABLE DAMAGE AFTER REPLACING DRUM ASSEMBLY | After installing the new drum assembly, short flexcable may be damaged when re-installing the tape pass cover (ref. 112). | ||
| Sony | CDX5080 | SERVICE MANUAL ADJUSTMENT SECTION ERRORS | The adjustment section of the manual has several errors. Onpage 7 shouldn't spindle height be closer to .95mm than .95cm? Also,instructions for entering the service mode are not given. On pages 8 & 9,the diagrams show the scope connected to ground. I | ||
| Sony | CDX5040 | SERVICE MANUAL ADJUSTMENT SECTION ERRORS | The adjustment section of the manual has several errors. Onpage 7 shouldn't spindle height be closer to .95mm than .95cm? Also,instructions for entering the service mode are not given. On pages 8 & 9,the diagrams show the scope connected to ground. I |