Make | Model | Problem | Solution | Date |
| | | |
Found: 12
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Bush | 2867NTX | Field collapse & no sound | No LT supply to jungle chip as R818 22k 2w o/c | 14-09-04 |
Bush | 2867NTX | Field collapse with fb lines on top half | Dry joints at R818 (22kohm, 2W), R810 | 14-09-04 |
Bush | 2867NTX | Install menu & chan 1 posn locked | Reqs password - if the password is forgotten then use 734. This will allow you to unlock the channels. To open the install menu however you must unlock "all" the locked channels. If you find that you cannot enter the tuning menu one or more of the 100 channels is locked, so search through them all and make sure they are all unlocked. | 14-09-04 |
Bush | 2867NTX | Locking codes faulty | EEPROM faulty | 14-09-04 |
Bush | 2867NTX | no sound | check TDA1521A o/p chip & R811 4R7 also replace C365/366 1000µ. C374 470nf leaky in this case | 14-09-04 |
Bush | 2867NTX (11AK12) | Dead - chopper tfmr failure | Replace T2.5A fuse, BUZ90 (used 2SK1643), R801 2R2 5W cement resistor, plus a 0.5R 1W metal oxide had gone o/cThe chopper transformer is obtained from CPC under part number AB4040905110 for ?5.08 + VAT and comes with a small mod kit (details below) . Transformer was a Teleson , now made by Eldor. R812 - change to 47R metal oxide, C809 - change to 220nF 63V MKT | 14-09-04 |
Bush | 2867NTX 11AK12 | Dead with 150v present at LOPTr coll | No line dr - 12v supply low as D812 BYV27 leaky | 14-09-04 |
Bush | 2867NTX 11AK12 | Dead with chopper trfmr s/c | Replacement trfmr comes as a kit pt no 30004541- also replace R812 47R 1w metal oxide & C809 220nF 63v | 14-09-04 |
Bush | 2867NTX 11AK12 | Fluttery pic on certain scenes (after sm Tx replaced) | C608 10µ 350v | 14-09-04 |
Bush | 2867NTX 11AK19 | Int off with smell of burning | dry joints chopper trfmr | 14-09-04 |
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Bush | 2867NTX 11AK19 | No line drive | R866 0R33 in series with 14v supply o/c (not shown on cct diag) | 14-09-04 |
Bush | 2867NTX 11AK19 | Pic takes long time to appear - quicker if A1 adjusted | Check C608 10µ 250v reservoir cap for RGB stages by edge near LOPTx | 14-09-04 |