| Make | Model | Problem | Solution | Date |
| | | |
| Found: 122
|
| Akai | CT2107MS (Onwa) | Int off with blob in centre of screen | Check for hairline cracks around chopper tfmr pins | 14-09-04 |
| Akai | CT2159 Onwa | Field faulty - int lines at top etc | C417 220mfd 16v, C423 2200mfd 25v, C435 470mfd 16v | 14-09-04 |
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| Akai | CT2159UT Onwa | No start up | C910 & C912 47µ | 14-09-04 |
| Alba | CTV4855 (Onwa) | Low sound | C202 220µ decoupling cap AND R421 0R68 in line stage hi res (1R5) | 14-09-04 |
| Alba | CTV4855 Onwa | No sound/pic - blank raster | 5v line low at 3.6v - Q619 o/c | 14-09-04 |
| Alba | CTV840 Onwa | Black vert bars with background pic | C420 22µ 160v o/c | 14-09-04 |
| Alba | CTV840 Onwa | No tuning although the set displayed tuning drive | R125 ( 47R ) was opencircuit because C127 ( 470uF 16V ) was short circuit .These components form a filter in the 9.25V supply | 14-09-04 |
| Alba | CTV841 Onwa | St/by only - relay chatters when sw held in | D401 | 14-09-04 |
| Alba | CTV841 Onwa | No pic - appears bright when A1 advanced | R430 180k in beam lim o/c | 14-09-04 |
| Alba | Onwa CTV701 | No sound/pic just pattern on screen | Video reaching Txt pcb but not leaving it. 5v supply missing - check HT smoothing cap 100µ 160v | 14-09-04 |
| Amstrad | CTV1410 Onwa | Dead with HT low at 50v (112v) | No st/by relay, R632 33k pin 36 IC603 o/c | 14-09-04 |
| Amstrad | CTV1410 Onwa | Sw itself back on when in st/by - int | Flexing panel brought fault on - R920 & R302 were physically touching bypassing relay | 14-09-04 |
| Amstrad | CTV1410Onwa | Field cramp atbottom | R408 18k o/c | 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 | 1452 Onwa | Blank white raster with flyback lines. | L501 o/c. | 14-09-04 |
| Bush | 1452 Onwa | Blowing 2SD1554 - HT line varies. | C911 ( 47u f 25v ) leaky. | 14-09-04 |
| Bush | 1452 Onwa | Dead. | C909 ( 47u f 50v ) s/c. | 14-09-04 |
| Bush | 1452 Onwa | Going into standby. | Q404 ( 2SD1554 ) s/c. | 14-09-04 |
| Bush | 1452 Onwa | Height decreases as set warms up. | C911 ( 47u f 50v ) | 14-09-04 |
| Bush | 1452 Onwa | No frame or line sync. | R619 ( 27ohm ) o/c. | 14-09-04 |
| Bush | 1452 Onwa | No sound or raster. | Dry on R913. | 14-09-04 |
| Bush | 1452 Onwa | Snowy raster - no tuning. | R646 ( 10k ) o/c. | 14-09-04 |
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| Bush | 1452 Onwa | Squeal at switch on - then goes to standby. | Q404 ( 2SD1554 ) s/c. | 14-09-04 |
| Bush | 1452 Onwa | Thin black line across picture 5cm from bott. | C410 ( 1nf ) | 14-09-04 |
| Bush | 1452T Onwa | WHISTLE ON AUDIO SOUND SEVERELY DISTORTED | C143 10uF 16v OC | 14-09-04 |
| Bush | 1557NTX (Onwa) | Tuning missing | No 33v tuning supply due to broken print by scart socket - due to rough insertion of scart plug | 14-09-04 |
| Bush | 2002 Onwa | NO 12v FROM LINE STAGE | R421 ( 0.68ohm ) , R419 ( 5.6ohm ) , ZD401 ( BZX61-C12 ) C909 & C919 both ( 47uF ) 63V | 14-09-04 |
| Bush | 2029T (Onwa) | Field collapse | High HT- C909 47µ, C910 10µ, ZD402 12v zener, R442 1R2 2.5w safety, TDA3653B field o/p chip all replaced | 14-09-04 |
| Bush | 2029T Onwa | Will not sw to st/by after the usual blow up & replacement of 47µ caps etc | Q507 BUT11AF s/c & driver Q506 2N5401 o/c - NOTE Q506 markings wrong on pcb - can use 2N5401 in lieu | 14-09-04 |
| Bush | 2059 2159NTX Onwa | Pic alternates with blank raster & corrugated verts | C915 100µ 160v in HT supply o/c | 14-09-04 |