| Make | Model | Problem | Solution | Date |
| | | |
| Found: 607
|
| Bush | 2068NTX 11AK10-17 | Dead with Q801 P3NA61 Power FET s/c | Replaced with BUZ90 or IRFBC40, TDA4605-2, R809 0R47 1/2w safety res, 330k & R803 820k | 14-09-04 |
| Bush | 2571NTX 11AK19 | Blank raster, no sound, ok thro' SCART & OSD OK | IC807 7805 regulator,supply was down to 2.5V | 14-09-04 |
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| Bush | 2571NTX 11AK19 | Bright green pic with fb lines | TDA108JF on crt base | 14-09-04 |
| Bush | 2571NTX 11AK19 | Field collapse | Check R704 100R safety res, if o/c change also TDA8351 FOP chip. Check 15v supply pin 3 IC701 if missing check comps from pin 6 LOPTx - D606 BA157 o/c | 14-09-04 |
| Bush | 2571NTX 11AK19 | No pic, sound /text / menu and on screen graphics all work ok | Q500 and Q504 in metal can burnt out. No reason found | 14-09-04 |
| Bush | 2571NTX 11AK19 | St/by only with psu ticking - HT about 50% of normal | Replace R866 and R867 (0.33 ohms) psu secondary LT supplies | 14-09-04 |
| Bush | 2571NTX 11AK19 | Tripping psu | IC301 TDA6108JF(RGB chip) & R914 (1R) o/c both on CRT base & check LOPTr | 14-09-04 |
| Bush | 2571NTX 11AK19E3 | Narrow pic with no E-W corr adj | R629 safety res 2R7 1/2w feeding BUK444 o/c - C630 dry joint caused it | 14-09-04 |
| Bush | 2863NTX 11AK19 | Dead - LOPTr s/c | When replaced runs hot with bottom cogging - dry joint on link J613 | 14-09-04 |
| Bush | 2863NTX 11AK19E3 | Dead with HT of 16v - ok on dummy load | Supply to 5v reg missing - R867 0R33 o/c | 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 |
| 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 |
| Bush | 2868NTX 11AK08 | Child Lock removal | use default pin code 734. | 14-09-04 |
| Bush | 2868NTX 11AK12 | Child Lock removal | Dis pin 5 of EEPROM, sw set on, go to menu & set up any new pincode you like (do not forget to memorise it). While set is still on, re-connect pin 5 of EEPROM & press STORE on R/C. Now sw set off, resolder back the EEPROM and new pin is the one what you just entered. | 14-09-04 |
| Bush | 2868NTX 11AK19 | Child Lock removal | go to the menu and toggle the child lock between on/off | 14-09-04 |
| Bush | 2868NTX 11AK19 | Dead | R806 22k o/c also R825 2M2 o/c | 14-09-04 |
| Bush | 2868NTX 11AK19 | Dead with LOPTr s/c | Check conns to scan coil plug - if overheated, wire directly | 14-09-04 |
| Bush | 2868NTX 11AK19 | E/W correction faulty | Q683 FET BUK444 faulty | 14-09-04 |
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| Bush | 2868NTX 11AK19 | Entering service mode | Select "Install" then key in "4, 7, 2 & 5" via hset | 14-09-04 |
| Bush | 2868NTX 11AK19 | No pic - sound ok - pic will appear briefly when adj A1 | C604 47nF 63V s/c in beam current | 14-09-04 |
| Bush | 2868NTX 11AK19-5 | E/W faulty | C630 470nF | 14-09-04 |
| Bush | 2868NTX 11AK19-5 | No tuning - pic settings wrong | Replace with blank eeprom & set up with hex code | 14-09-04 |
| Bush | 2868NTX 11AK19-5 | Txt absent apart from "100" | Replace multi micro/text chip SDA5255-A047 available from cHS | 14-09-04 |
| Bush | 2868NTX 11AK20 | Child Lock removal | press P+ and P- on front 5 times | 14-09-04 |
| Bush | 2871NTX 11AK19 | Tripping | Check diodes D814/5/6 on sec psu for s/c UF5402 | 14-09-04 |
| Bush | 2871NTX 11AK19 | Tripping - LOPTr BU2508AF s/c | Caused by scan coil plug on pcb arcing internally | 14-09-04 |