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Modelo - Chassis 14
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CPD1425 | BROKEN MAIN BOARD | Dead, Main Board broken near flyback transformer. Damagecaused by hard plastic support bearing against weak spot on board.Unit bumped in normal handling causes a break in Main PCB. | ||
| Sony | CPD1425 | RESISTOR BODY SHORTED TO PCB RUN | |||
| Sony | CPD1425 | TESTED MONITOR PICTURE NOT SYNCHED | No synch when connected to Team Video Gen. card. Foundproblem with extender cable, which works for all of our other monitors.Tried 6 different CPD1425's. | ||
| Sony | CPD1425 | LOSS OF SYNC WHEN USED WITH MAC, CAUSED BY TMAC ADAPTER | Display shows a loss of sync when interconnected to MACcomputer via TMAC adapter. -HQ COMMENTS: TMAC adapter does not ground Pin 5 of monitor's Video Incable. This causes monitor to enter special test mode. To correctproblem, please recommend use of M | ||
| Sony | BM146 | R.F.I. CAUSES RECORD INHIBIT CKT TO ACTIVATE, INSTALL SHIELD | R.F.I. was being picked up by the Record Inhibit head causingthe machine to drop out of RECORD mode. The source of interference couldnot be removed. | ||
| Sony | CPD1430 | WRONG PART FOR T901, CORRECT PART NUMBER IS: 1-423-3461-1 | As listed in manual, it is the part number for T401 instead.These are not same transformer. Need correct part # for T901. | ||
| Sony | EXR14 | NO AUDIO/DISPLAY (FOUND D705 SHORTED) | When turned on, unit had no display and would have audio forabout 3 seconds only. Found D705 shorted, keeping VDD from IC701. | ||
| Sony | CPD1430 | HORIZONTAL FOLDOVER IN THE PICTURE CENTER | Both units came from the Bahamas, via Miami, and bothdisplayed same problem. Customer complaint is bright vertical line wasverified. Waveform at base of H out showed a glitch between pulses,therefore, problem appeared to originate at the driver or va | ||
| Sony | XR4147 | NO AUDIO, FOUND IC302 AND B+ TRACE PHYSICALLY DAMAGED | IC302 shorts out and physical damage is apparent. | ||
| Sony | EXR14 | NO DISPLAY/NO TUNING (TAPE WORKS OK) | Unit had no display, and only static on radio. The tape deckworked fine. Found D362 shorted, which also caused the trace between D362and pin 2 of CNP801 to open. | ||
| Sony | CPD1430 | Q406 PART NUMBER MISSING, 8-729-018-43 | Part number for Q406 is not in part list of D boardtransistors. | ||
| Sony | CPD1430 | DEAD, REPLACED Q406 | Unit is dead, power supply has high pitch squeal. Found D403shorted. Turned unit on and display was wide. Checked Q406 it was leaky. | ||
| Sony | CPD1430 | UNIT SHUTS DOWN IMMEDIATELY (ON POWER UP) | Unit powers up, but immediately shuts down. Gate of FET(Q403) had only 25v instead of 144v. | ||
| Sony | CPD1430 | BLUE SCREEN AND SHUT DOWN, REPLACE Q506 C-BOARD | Screen goes blue and unit shuts down. Q506 had an emitter tocollector short. -HQ COMMENTS: Q506 is the Background level Control Transistor. If itshorts as in this case, the Background level for the Blue gun becomesexcessive. | ||
| Sony | CPD1430 | NO PICTURE / DEFECTIVE IC-502 VIDEO AMP (VPS07-T) | Unit would not display a picture. Cathode dc voltages wereOK. G2 was correct and filaments were lit. The dc voltage on pin 9 ofIC502 (C board) was 1.8 volts instead of 75volts (drive out). |