Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sharp | 51DS02 | GREEN PATCHES AND STRANGE COLOURS ON BRIGHT SCENE | ENTER SERVICE MODE (HOLD VOL- AND CH+ AND SWITCH ON) SELECT PAGE 00 AND SET POS 04 TO 24 POS 05 TO 2C AND POS 06 TO 4B | ||
Sharp | 51CS-05H CS | Dead with short between C & E of LOPTr | C602 1nF 2000v was causing it - leaky | ||
Sharp | 51CS03H 59CS03H | Stuck in StBy . | If no 300v across C708 check for continuity from D704 cathode to L703 . PCB sometimes damaged in transit . | ||
Sharp | 51CS03H 59CS03H | Int flyback lines ( may be red , greeen or blue ) | Flux becoming conductive on Q870 , 871 , 872 . remove transistors , clean pcb and transistors and replace . | ||
Sharp | 51CS03H 59CS03H | Int bleep from speakers or int no sound ( when hot | Add wire link from pin 22 IC301and pins 28 , 29 ( Gnd ) | ||
Sharp | 51CS03H 59CS03H | Field fault , or general modification . | Add 1N4148 from emitter Q509 to cathode D513 ( cathode to E Q509 . Pt No RH-DX0045BMZZ ) . Change R534 for 390R ( Pt No VRS-T | ||
Sharp | 51CS03H | No / int field collapse | Resolder L501 ( joints on body ) | ||
Sharp | 51CS03 | Slow start up then st/by only | C712 220µ 25v | ||
Sharp | 51CS | Dead | R643 22R 1/2w fusible had risen in value to 50R | ||
Sharp | 51CS | Dead | C714 1000µ 10v slightly hi esr (0.8), R643 10R (22R?) looks burnt - replaced with 10R ½w | ||
Sharp | 51AM-12G | red raster with flyback lines then shuts off | Q875 on crt base - measured ok out of cct | ||
Sharp | 4BSC DV6632H | very faint colour lines on the top | C501 VCEAGA1HW107M, C506 VCEAGA1VW107M leaky | ||
Sharp | 4BSC DV6632H | repeated failure of LOPTr | resolder scan coil connections | ||
Sharp | 4BSC DV6632H | line pulling, bent verticals | C623 4.7uF 50V next to Q603 regulator | ||
Sharp | 4BSC DV6632H | frame foldover at the top | C505 100uF 40V |