itt Repair Tips
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Results 510
Results 510
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| ITT | Digi-3 | Picture unstable when warm. | DPU IC faulty. | ||
| ITT | Digi-3 | Picture shifted half way down. | Replace D411. | ||
| ITT | Digi-3 | Patterning effect. | C209 ( 47uf ) , C234 ( 10uf ) in HF module. | ||
| ITT | Digi-3 | No or intermittent remote control. | Fit a 10k res between pin 6 and chassis IC404 | ||
| ITT | Digi-3 | Line sync pulling. | C209 ( 47uf ) , C234 ( 10uf ) in HF module. | ||
| ITT | Digi-3 | Horizontal bars over picture. | IC1403 tuner inteface IC. | ||
| ITT | Digi-3 | Frame - height reduced at top - bottom ok. | D411 ( ZTK 6.8 zenor ) breaking down. | ||
| ITT | Digi-3 | Frame - blank line at top of picture. | R431 o/c. | ||
| ITT | Digi-3 | Colour - colours not correct. | X610 17m7 hz crystal faulty , PVPU IC630 faulty. | ||
| ITT | Digi B | Dead or int dead/ reverts to st/by etc | Mains I/p choke dry joints | ||
| ITT | Digi 3 110deg | No sound/raster - ok on dummy load | D547 in 13v supply s/c & FOP chip TDA2170 IC401 s/c | ||
| ITT | Digi 3 110deg | Dead with st/by light flashing | TDA2170 field o/p chip s/c | ||
| ITT | Digi 3 | WHISTLES , CHAN IND LIGHTS THEN ELEC FUSE OPERATES | CHECK FIELD STAGE - D547 , TDA2170 , C548 | ||
| ITT | Digi 3 | Weak pic | T1013 BF493 feedback tr on crt base | ||
| ITT | Digi 3 | Vertical lines has squegging | IC650 video codec chip | ||
| ITT | Digi 3 | Unstable pic | IC620 DPU2540 deflection proc | ||
| ITT | Digi 3 | Unlocked col when cold | MCU2600 clock gen | ||
| ITT | Digi 3 | Txt inoperative - indicator works | D403 1N4148 | ||
| ITT | Digi 3 | Txt info displaced | IC640 TPU2732 | ||
| ITT | Digi 3 | Txt corrupt | IC640 TPU2732 |