Make | Model | Problem | Solution | Date |
| | | |
Found: 3128
|
Aiwa | CXZR800K | At sw on relay clicks "DEMO" displayed then dead - keeps repeating | Check 2 x 2SK2723 FETs on sound o/p heatsink | 14-09-04 |
Akai | 2185 | Won't go into st/by | CHECK SUPPLY TO PIN 1 OPTOCOUPLER - R572 ( 470ohm ) | 14-09-04 |
Akai | 2870 | TEXT ODDITY | REPROGRAM MICRO.PRESS TEXT ON REM , S ON TV , THEN TEXT AGAIN | 14-09-04 |
Akai | CT2185 | Reverts to st/by aft few secs from sw on | Pin 19 of micro low - R748 100k pull up res faulty | 14-09-04 |
Akai | CT2185-10 | St/by only | dry joints psu | 14-09-04 |
Akai | CT2585 | Dead - lop tr s/c | Dry joints & line dr tr T507 BD337-25 int causing arcing noise | 14-09-04 |
Akai | CT2862UNT | Dead - PSU components burnt | STRS6309, C925 150uF 200V blown, R920 39k, R904 47R, R914 47R, R915 82k, R916 120R all burnt, Q902 2SA1015 s/c -also replace IC902 TLP721 & IC903 SE140N to be safe sus caused by arcing on/off mains switch | 14-09-04 |
Akai | CT2862UNT | Field collapse | D406 BA157 s/c, R422 0R68 o/c, TA8427K FOP chip IC401 & C401 100µ 35v o/c | 14-09-04 |
Akai | CT2867 | Black vert line down rh side of pic | CK53 120nf in blanking cct | 14-09-04 |
Akai | CT2867 | Thick lines across entire screen | RS11 in vert scan 0µ47 tant | 14-09-04 |
|
AKAI | CT2867 | THICK LINES ACROSS SCREEN | REPLACE RS11 IN FRAME STAGE 220R | 14-09-04 |
Akai | CT2867 SP71L | St/by only | C093 or another cap in parallelmarked R093 removing these 2 surface mounted capacitors and cleaning the glue under that had fixed them to the pcb cured the problem | 14-09-04 |
Akai | CT2867UNT | Dead with chopper V025 & LOPTr VK50 s/c | check C025/026/027/028 in the psu primary, CK57 and RK56 & CK51 - VO25 (S2000N) and VK50 (BUF450) replaced - no other fault found! | 14-09-04 |
Akai | CT2870 | Dead | D/J on on off switch or On off switch burnt | 14-09-04 |
Akai | CT2870 | Dist sound | 47µ cap next to sound IF chip in HF block | 14-09-04 |
Akai | CT2870 | Int crackling on sound | IC3201 APU2470T faulty | 14-09-04 |
Akai | CT2870 | Sound noisy & poor when first sw on | Replaced elects in tuner can | 14-09-04 |
Akai | CT2870N | Dead tripping | LOPT | 14-09-04 |
Akai | CT2870N | Low buzzing noisy sound | C242 0.47µ 63v | 14-09-04 |
Akai | CT2870UK | Wont tune to chans above 30 | D901 33v zener on aud o/p pcb | 14-09-04 |
Akai | P58SC | Int Blank raster with flyback lines | 27Mhz crystal | 14-09-04 |
Akai | SN71B6 TV2851 | No pic - sound/EHT present - Field blanked | RK53 3R fusible pin 3 LOPTx | 14-09-04 |
Akai | TV2851TN | St/by only - when sw on no leds lit | RGB IC TEA5101B on crt base s/c | 14-09-04 |
Akai | TV2851TNUK | Rainbow effect | No -12v to FOP chip - CS03 leaky & RK53 overheating | 14-09-04 |
Akura | CX18 | Dead | o/c pri st/by tfmr | 14-09-04 |
Alba | 4859 | Dead | Q801 2SK2750 s/c, R809 0R47 safety res o/c, check R802 100k, R805 330k, R826 100k | 14-09-04 |
Alba | 4859 11AK19 | No line drive at sw on (150v HT to LOPTr) | Dis'd D814/815 (+14 & -14v audio o/p ic supply diodes). Replacing TDA2615 aud o/p chip resulted in bright white raster & flickering LED; R914 47R 200v feed to IC901 TDA6107Q on crt base o/c & IC s/c | 14-09-04 |
Alba | CT840 | Dead | R302 6k8 high res | 14-09-04 |
Alba | CT840 | Dead | R302 6k8 in psu o/c | 14-09-04 |
Alba | CTV3408 | Dead | RP4 o/c in PSU 330K | 14-09-04 |