Dicas Reparação HITACHI
Modelo - Chassis
Pesquisa: HITACHI Enviar Dica Resolvida
Resultados 1003
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Hitachi | G7P | Set dead many semis in PSU s/C | Replace Q903 Q904 : R909 R912 R902 R903 R760 R761 R762 R766 R901 : ZD903 Check Q781 & D782 Replace 2.2ohm across Q760 | ||
| Hitachi | G7P | Set dead H.T. high & tripping | ZD903 & R909 ( 39K ) | ||
| Hitachi | G7P | No Txt - P100 only | C2109 820pf | ||
| Hitachi | G7P | NO TUNING | R138 ( 10k ) OC. | ||
| Hitachi | G7P | NO PIC JUST SNOW , NO CONTROLS OR REM WORK | IC601 FIELD CHIP AN5521 ( CHECK FOR FIELD PULSES AT PIN 15 OF IC101 ) | ||
| Hitachi | G7P | NO MEMORY STORE | CHECK R173 , R174 , R723 | ||
| Hitachi | G7P | No line sync - pic displaced to right | No line pulses IC701 pin12 - R726 2R2 o/c (also check R605) | ||
| Hitachi | G7P | Nicam poor with clicking | Adj coil L5 on panel between Txt & Nicam boards | ||
| Hitachi | G7P | Int start up | C912 4n7 across TDA4600 faulty | ||
| Hitachi | G7P | Int fails to start | Check C914 2µ2 50v, C916 33µ 25v | ||
| Hitachi | G7P | Int cuts out or dead | R919 & R920 100k feed pin 5 TDA4601 hi res | ||
| Hitachi | G7P | Hum Bar | Slight adj of AGC preset | ||
| Hitachi | G7P | Flashing pic - worse when tapped | IC703 9v reg dry joints (could not be seen) | ||
| Hitachi | G7P | Field collapse | Replace R719 o/c with wire link | ||
| Hitachi | G7P | Dead/Int - blowing chopper transistor. | R932 gone high connected to pin 4 IC901. |