| Make | Model | Problem | Solution | Date |
| | | |
| Found: 626
|
| Bush | 11AK12 | Field collapse | R818 22K in the 33V supply (yes the 33V supply). After changing this you will probably have a blank raster so change C707 100MFD in the field flyback circuit. | 14-09-04 |
| Bush | 11AK12-9 | Width & E/W inop | R661 100k | 14-09-04 |
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| Bush | 11AK19 | No start up | No line drive - check coil in emitter of LOPTr for burn up (not shown on cct) | 14-09-04 |
| Bush | 11AK19 | Service Mode access | Enter install mode then press "4, 7, 2, 5" | 14-09-04 |
| Bush | 11AK19-B1 | Field collapse | After trying new chip TDA8351 which made no diff, fault traced to D606 BA157 which checked ok out of cct | 14-09-04 |
| Bush | 1400 | DEAD ( P.SUPPLY IN BURST MODE ) | ZD 601 LEAKY | 14-09-04 |
| Bush | 1402 | Int shuts down | All volts present, no line drive - 500hz resonator pin 19 IC301dry joint | 14-09-04 |
| Bush | 1407 | Chans can't be stored | The -30v to memory chip low at -12v. C602 1nF small, green cap decoupling zener leaky | 14-09-04 |
| Bush | 1407 | Dead | R901 4R7 5w o/c, C903/4 caps across bridge rect s/c 4n7 500v | 14-09-04 |
| Bush | 1407 | Dead | R913 oc | 14-09-04 |
| Bush | 1407 | sound dist - sounds like spkr but isn't | add 0µ1 cap from pin 5 of IC201 KA2201 (TBA820M) to chassis | 14-09-04 |
| Bush | 1407 (Onwa) | bad audio distortion which at first sounded like a faulty spkr. | Despite replacing this, the audio o/p ic IC201 KA2201 (TBA820M) and variouscaps around it the fault remained. adding a 0.1mfd cap from the o/p of the ic (pin 5) to chassis, this completely cured the fault | 14-09-04 |
| Bush | 1408 | Excess height | R240 10k or18k hi res | 14-09-04 |
| Bush | 1408 | Lack of height | R240 10k or 18k hi res | 14-09-04 |
| Bush | 1418 | Dead - no st/by led | R913 330k | 14-09-04 |
| Bush | 1427T | Blue screen with fb lines | 18k on crt base | 14-09-04 |
| Bush | 1427T | bright screen with fb lines | check crt cathodes - if low at 100v check R435 0R68 safety res | 14-09-04 |
| Bush | 1430 | R/C not working | If TFMS 1340 or 1360 IR sensor reciever used then its probably faulty | 14-09-04 |
| Bush | 1433 | BLANK SCREEN WITH THREE LINES AT TOP L/H SIDE THEN UNIT SHUTS DOWN | INPUT ANTI-THEFT PASSWORD WITH REMOTE OR CONTACT TECHNICAL FOR PASSWORD | 14-09-04 |
| Bush | 1433 | Dead | R804 820k start up resistor o/c | 14-09-04 |
| Bush | 1433 | Dead | R809 0R47 o/c, R805 330k ?w o/c, Q801 BUZ77B s/c | 14-09-04 |
| BUSH | 1433 | DEAD | REPLACE R809 0.47OHMS | 14-09-04 |
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| Bush | 1433 | DEAD | REPLACE R802 75K2W | 14-09-04 |
| Bush | 1433 | Dead - chopper FET BUZ77B s/c, R809 0R47 o/c | Chopper tfmr HR9104 | 14-09-04 |
| Bush | 1433 | dead - primary ht only | R804 820k o/c | 14-09-04 |
| Bush | 1433 | off | chopper tfmr faulty caused demise of R809 4R7? Q801 FET BUX77B & TDA4605 | 14-09-04 |
| Bush | 1433 | off with BUZ77B s/c & 0R47 o/c | replace BUZ77B, TDA4605-2, 0R47, check R805 330K R803 820k and caps also for s/c pri winding of chopper tfmr | 14-09-04 |
| Bush | 1433 | Small pic HT low at 89v | HT res cap 47µ 160v hot & bothered | 14-09-04 |
| Bush | 1433 | St/by only | Check R804 330k & R805 820k in psu, FET & TDA4506. Also, if front buttons broken, punter may have damaged connections to print around X501 | 14-09-04 |
| Bush | 1433 | When replacing TDA4605 | If after replacement, st/by LED flashes & difficult to turn on - also 112v HT low at 107v try a different TDA4605- it worked for me! | 14-09-04 |