Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | CPD1730 | ERROR DOWNLOADING ADJUSTMENTS MISMATCH AT INDEX 8 (XXX, XXX) | The following error message was displayed when the old datawas down loaded into the replacement board (A-1346-104-B). The picturethen came up excessively white with scan lines. -HQ COMMENTS: Please see Bulletin 64r1. | ||
Sony | CPD1730 | DIFFICULTY ADJUSTING FOCUS | Unit had out of focus picture. I was able to adjust thehorizontal focus but not the vertical. | ||
Sony | CPD1730 | NO POWER DUE TO OPEN R902 | Monitor was shipped to customer after service. Customerclaims that monitor had no video on arrival. Upon inspection, I foundthat the board had a small crack between C922 and R922. Crack wasrepaired but power supply was still down. | ||
Sony | CPD1730 | NO RASTER & DAS PROBLEMS. | Verified no raster. Waveforms/voltages at C board, ok(close to normal). Replaced CRT after verifying with known chassis thatCRT condition was poor (reddish, dark). Reset monitor (several times)still had no raster. Started DAS alignment. Saved data | ||
Sony | CPD1730 | NO PICTURE (HIGH VOLTAGE PRESENT) / LOOSE CN-907 CONN D-BRD | High voltage present but no picture or raster. CN907 on theD board pulled loose. During assembly the cable for this connector ispulled too tight before clamping. The flexing of the whole assembly,during transport, easily pulls the connector loose. Many s | ||
Sony | CPD1730 | NO POWER ON DUE TO BREAKDOWN OF PUSHBUTTON MECHANISM | Unable to actuate the on and off switch on the main boardwith the pushbutton part of the cabinet. That portion of the cabinet whichcontains the pushbutton has a claw which acts as a support for the ajacentpoint on the main board, which in turn, contains | ||
Sony | CPD1730 | SEVERE PIN CUSHION / DEFECTIVE Q406 | Severe pincushion distortion. Q406 overheating. | ||
Sony | CPD1730 | PICTURE IS UNSTABLE WHEN CHANGING FROM TEXT TO GRAPHICS MODE | |||
Sony | CPD1730 | LOW BRIGHTNESS AND CANNOT BE ADJ VIA DAS / LEAKY Q511 | Monitor exhibited low picture brightness. Cathodes werecorrect but G2 voltage was low (200 volts). The emiter of Q511 was 14volts, not 11 volts as described in the service manual. The op-amp driveIC (IC505) pin 7 would not change when manipulating thi | ||
Sony | CPD1730 | VERTICAL RINGING LINE IN PICTURE/TIGHTEN C BRD SUPPORT SCREW | This unit and S/N 5005793 show same problem. Vertical ringingline in picture seen in preset modes 5-9. Problem shows best at 30%IRE.Problem disappeared on first unit when I moved connector P501, butreturned. | ||
Sony | CPD1730 | INTERFERENCE LINE TOP TO BOTTOM ON CENTER SCREEN/GND LOOP | Customer complains of interference line top to bottom on thecenter of the screen. This occurs in all modes. | ||
Sony | CPD1730 | PICTURE MUTED FOUND Q-118 ON THE DA BRD DEFECTIVE | Picture was Muted (Blanked) and we had no Vertical. FoundQ-118 defective and ordered from KCP. Q-118 is a 6 pin device but, thepart received was a 3 pin device. -HQ COMMENTS: The Service Manual is incorrect, the correct part numberis 8-729-023-92. The p | ||
Sony | CPD1730 | SEVERE PINCUSHION DISTORTION CAUSED BY SHORTED Q-406 | Severe H pincushion distortion was caused by defective Q-406.-HQ COMMENTS: Q-406 is a PIN CORRECTION MODULATION Transistor it Modulatesthe PIN Correction signals onto the HDY. | ||
Sony | CPD1730 | DIFFICULTY ADJUSTING THE WHITE BALANCE | |||
Sony | CPD1730 | RETRACE LINES ON A BLUE SCREEN DUE TO SHORTED Q-508 | Exhibited symptom of retrace lines on a blue screen. Q508 wasfound defective with EB short. -HQ COMMENTS: Q-508 in combo with Q-505 make up the Background (BKG)control circuit for the blue color. Similar symptom would be experiencedif Q-509 or Q-507 wer |