Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
SAMSUNG | CW-28D83N KS3A | NAO DA NADA NEM O LED ACENDE (DEAD) | CONDENSADOR NAO DESCARREGA | TROCAR CONDENSSADOR C808 NA FONTE | ALACYTE |
SAMSUNG | CW-21Z413N | Imagem so na parte superior da tela | Perda de dados da Eprom | Subistituir Eprom 24C16 e proceder aos ajustos de geometria | Tuga_75 |
SAMSUNG | CW29V306V S62B | Nao liga internitente e quando liga a imagem esta com problemas de geometria | Problema na fonte de alimentaçao | Subistuir o Photo Coupler PC123 | Tuga_75 |
Samsung | CW-28C73N Chassis KS3A | Não funciona , não acende led frontal | C511 na placa CRT | ||
Samsung | CW28C33N | Dead. in safety mode | Looks like l.o.p.t but was traced to small decoupling cap on 200v line on tube base, dead short | ||
Sharp | 76DW18H CW100 | blank screen, sound ok. 2 fuses F601 and F602 near LOPT o/c. | R611 1R 0.5W in +40V supply o/c, F601, F602 2.5A o/c (near LOPTx), SMD Q509 2SB1561 s/c D503 1N4148 s/c (near connector to frame coils) To prevent reocurrence, add 47V zener across +40v, fit in position R626 rear of PCB. In later models this zener is already fitted. | ||
Samsung | CW593CNG | Dead - blows LOPTr | If R821 next to opto coupler is 133k then ht should be 130 volts. if R821 is 150k then ht should be 155 volts. If still blowing line output transistor then the loptx is the probable cause. | ||
Samsung | CW593 | St/by only with LED flashing orange & straining psu | C814 across D802 & HT supply s/c | ||
Samsung | CW30A75S | St/by only with LED flashing | R423 overheats - DZ302 33v zener & IC301 TDA8351 | ||
Akita | CW1492 | Int start up | R802/803 15k hi res | ||
Samsung | CX 683CWG S51 aa | Lede fica verde cai em protecção | C 407 1000p 2kv junto ao transf com fuga | Sub C407 = 1000p 2kv | |
Samsung | CX 683CWG S51 aa | Lede fica verde cai em protecção | C 407 1000p 2kv junto ao transf com fuga | Sub C407 = 1000p 2kv | |
Sony | TCW365 | NO DISPLAY LIGHTS - REATTACHED DISPLAY CABLE | No display lights. | ||
Sony | TCWA9ES | NO POWER - RECONNECTED CN802 ON DISPLAY BOARD | No display, doors won't open. | ||
Sony | TCWR901ES | INTERMITTANT NO FUNCTIONS - 5V & 7.5V SHORTED ON REC BD | Unit was intermittantly inoperative and recording was poorwhen it operated. Found 7.5V on Main Micro Vcc line. Q504 +5V regulatorwas not the problem. |