Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KPR41EXR95 | G BOARD AND A BOARD HAS +135 PRINTED ON BOARDSWRONG | Connector G2 (G board) and connector A2 (A Board) have +135printed on them. This is incorrect the true voltage is +115v DC. The-135 volt line is correct. | ||
Sony | KPR41EXR95 | NO VERTICAL, REPLACE IC903(5V REGULATOR) | Unit has no vertical deflection. 18V fuses blow after few second. | ||
Sony | KPR41EXR95 | NO PICTURE, REPLACED E1 BOARD | Set has a no picture and on screen display, but sound is ok.Deflection and HV voltage circuits functioning properly. No video at R, Gand B outputs at connector E1-24 pins 3, 4, 5. Y and C entering E1 boardfrom A board pins 46 and 44 at connector E1-00 | ||
Sony | KPR41EXR95 | NO PICTURE NO FUNCTIONS, LEAKY DIODE D211 | Set displayed symptoms of no picture, would not accept anycommands. Checked U board, no video coming from tuner or video inputs.No data at pin 20 of IC1002(audio video signal selector).I found data bus throughout set loaded down to approx .4 volts. | ||
Sony | KPR41EXR95 | HV SHUTDOWN, LEAKY CAP C818 | Unit would go into HV shutdown when turned on. Duringmonitoring discovered HV portect detector IC804 pin 1 was latching highwhen unit was turned on and monitored B+ boost at cathode of diode D801,found climbing over 160 volts. Checking HV regulation de | ||
Sony | KPR41EXR95 | HIGH PITCH SQUEAL, REMOUNTED/RESOLDERED L805 ON N BOARD | High pitch squeal from the unit and very intermittent. | ||
Sony | KPR41EXR95 | NO PICTURE HIGH VOLTAGE OK, REPLACED C327 ON THE E1 BOARD | No picture, no display, sound OK. | ||
Sony | KPR41EXR95 | GREEN CRT LEAKING, REPLACED CRT | GREEN CRT LEAKED AND SHORTED OUT THE CRT SOCKET. BOTHWERE REPLACED AND SET OPERATED NORMAL.DEALER IS SHIPPING CRT DIRECT TO PITTSBURGH IAW TECHNICAL FLASH89R1. -HQ COMMENTS: Thanks for supplying the defective sample. | ||
Sony | KPR41EXR95 | H1/H2 BOARDS NEEDED FOR SERVICE, T-998-552-61, SEE SB 202 | When chassis is removed the H1 and H2 boards remain in thechassis. To remove these boards require a lot of dissassembly because thewire harness needs to be removed. Also on this set, the screen needs tobe removed to remove the H1 board. -HQ Comments: | ||
Sony | KPR41EXR95 | GREEN CRT LEAKING, REPLACED THE GREEN CRT | Green CRT Leaked and shorted out the CRT Socket. | ||
Sony | KPR41EXR95 | FAILED CRT, REPLACED RED AND GREEN CRT'S | ASC worked on power supply. Unit would go into immediate shutdown. Found two arcing CRT's SD249R and SD249G punctured glass on neck ofCRT's. 8-736-633-05 07MK(R), 8-736-631-05 07MK(G). I am sendingdefective CRT's to Pittsburg TV manufacturing for eva | ||
Sony | KPR41EXR95 | CRT IS SILICON TYPE, IT CAN NOT BE REPLACED WITH MECHANICALW | Can Silicon type CRT be replaced with a Mechanical typetube?. -HQ COMMENTS: The Silicon sealed tubes were used in this model. Theycan not be replaced with the Mechanical type tubes. Please check thelabel inside the unit, on the chassis, for the corr | ||
Sony | KPR41EXR95 | CONNECTOR A6, G6 MISSING, SEE SB # 145 | Servicer found connector A6-G6 missing. Is this a circuitupgrade. -HQ COMMENTS: Please see Service Bulletin 145. This upgrade wasalready done so it did not appear in the SB. | ||
Sony | KPR41EXR95 | PICTURE BLANKING ON LEFT SIDE OF THE SCREEN, S/B TVP0145 | At turn on the picture blanks out the left side of the screen about the size of the Channel Index area. -HQ COMMENTS: See Service Bulletin number TVP0145. On the A boardremove completely the wire harness A-6. Connect a 3.5 inch long wire fromResistor | ||
Sony | KPR41EXR95 | NO RECEPTION ON CHANNELS 2 THROUGH 6., REPLACED TUNNER | Channels 2 through 6 will not function, all other stations areOK. Tuner pins voltages measured normal. |