Make | Model | Problem | Solution | Date |
| | | |
Found: 14
|
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 | Onwa 1407 | Int osg appears, vol turns up on its own, tuning, R/C etc | D602 1N4148 | 14-09-04 |
GEC | C1407H | Dead - with whinning noise. | 2D910 ( 3V zener ) s/c. | 14-09-04 |
Matsui | 1407 | Dist sound | Q351 (2SC2120) and Q352 (BC640) | 14-09-04 |
Matsui | 1407 | No sound | Q353 (2SC1815) | 14-09-04 |
Matsui | 1407 | No sound | Replace Q351 & 352 aud o/p trs & replace sm R358 with 180R | 14-09-04 |
|
Matsui | 1407 | Sound dist | Q351 (2SC2120) and Q352 (BC640). | 14-09-04 |
Matsui | 1407 | sound low muffled | Q351 & 352 overheats. Replaced spkr & trs | 14-09-04 |
Matsui | 1407RS | Pin Code reqd | Remove old pin code, enter wrong code 3 times, press VOL UP on TV & "7" on handset together | 14-09-04 |
Matsui | 1407RS | St/by only with 120v on HT sw tr Q504 collector but only 10v at LOPTr | Micro IC103 | 14-09-04 |