hitachi Repair Tips
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Results 930
Results 930
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Hitachi | NP8CQ | Standby - in standby at switch on. | BC548 also 4 7uf/22uf electrolytics. | ||
| Hitachi | NP8CQ | OVER BRIGHT PIC , NO FLYBACK LINES | 22mfd , 250v SMOOTHING CAP TO RGB OP. STAGES | ||
| Hitachi | NP8CQ | Int no colour. | Try adj R515 , make sure agc control R203 is turned up. | ||
| Hitachi | NP8CQ | Int colour. | One leg og R620 s/c to jumper lead J723. | ||
| Hitachi | NP87 | SET INT WON'T COME ON + BLOWS LINE OP TRANSISTOR E | C917 IN POWER SUPPLY 4u7 | ||
| Hitachi | NP86 | INT LOSS OF PIC , GOES DARK | XTG2 17.73Mhz CRYSTAL ( IN TEXT MODE PIN 9 IC13 SHOULD BE 4v , IN MIX IT SHOULD PULSE , TV MODE ZERO. ) | ||
| Hitachi | NP86 | BLANK RASTER + NO SOUND | TDA4505 US-CHECK TYPE No- | ||
| Hitachi | NP85CQ | No sound | TDA4505 -2Y chip faulty - Mod kit reqd to use TDA4505E | ||
| Hitachi | NP85CQ | Dead - normal volts at crt base | Dry joints D920, 919 in psu | ||
| Hitachi | NP85CQ | blank raster no sound | TDA4505 no vid o/p chip faulty TDA4505E will work | ||
| Hitachi | NP85 | Teletext - coming over Tv picture. | IC2101 ( SAA1272 ) , SAA1251. | ||
| Hitachi | NP85 | Appears dead but voltages on tube base | D920 , D919 in psu dry jointed or oc. | ||
| Hitachi | NP84CQ/2 | NO PIC + SCREAMS | LOPT + TRANSISTOR SC | ||
| Hitachi | NP84CQ/2 | line - tear - pulling & drift. | C214 ( 470uf ) of pin 7 of IC201 | ||
| Hitachi | NP84CQ/2 | Int blowinf fuse. | TH901 posistor. | ||
| Hitachi | NP84CQ/2 | Distorted sound. | R423 ( 56R ) high in value. | ||
| Hitachi | NP84CQ/2 | Dead. | STR4211 IC901 power supply IC s/c , also change2.7v zenor | ||
| Hitachi | NP84CQ/2 | DEAD BUZZES , ZD953 S/C | C908 4u7 160v | ||
| Hitachi | NP84CQ/2 | Channel display no other functions | Replace Q902 | ||
| Hitachi | NP84CQ | Top of the picture blanked out | C905 o/c 100mfd 200v (next to tuner) |