Make | Model | Problem | Solution | Date |
| | | |
Found: 671
|
Aiko | CT20 | Int dead | dry joint R233 | 14-09-04 |
Aiko | CT20 | Int field - height | FOP tr Q303 2SB546A faulty - used TIP42C in lieu | 14-09-04 |
|
Akai | CT-T21N32S | I have an Akai CT-T21N32S which will not fire up, the red LED is illuminated on the front but nothing else happens, I have tested dozens of components but to no avail, the block diagram in the service manual I have is unreadable which is quite upsetting a | cure: replace eeprom IC602 ref
| 23-06-05 |
Akai | CT20K2PA | Dark pic - increasing sub brill resulted in field coll | R436 120k o/c | 14-09-04 |
Akai | CT2107MS (Onwa) | Int off with blob in centre of screen | Check for hairline cracks around chopper tfmr pins | 14-09-04 |
Akai | CT2115UK | Lack of width & burning smell | R824 100R 2W overheating due to dry joint L824 | 14-09-04 |
Akai | CT2115UK | St/by only | PCA84C640P micro | 14-09-04 |
Akai | CT2125 | Comes on with chirping noise & st/by led on then trips out after 1/2 min | C817 100µ 25v | 14-09-04 |
Akai | CT2125 | Int blank raster with fb lines | OK when con TD203 on txt pcb removed - TZ01 27Mhz Xtal | 14-09-04 |
Akai | CT2137 | Field scan only I" | No 33v via R442 - 5R16 8k2 o/c | 14-09-04 |
Akai | CT2137UKT | No sound except hiss - ok through scart | when a 6Mhz resonator was fitted in vacant place 30F1 sound ok | 14-09-04 |
Akai | CT2137UKT | Vision buzz | Remove digital transistor 9tr9 | 14-09-04 |
Akai | CT2142VNT | Poor pic with fbck lines and curious col | IC301 pin 12 supply only 7v5 (9v1). R424 (0R68) hi res | 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 |
Akai | CT2159UT Onwa | No start up | C910 & C912 47µ | 14-09-04 |
Akai | CT2159VT | Dead | Sw mode tr overheats - replace D901, C405, C910, C912 & C431 | 14-09-04 |
Akai | CT215UK | Trips off with chirp & no st/by | C817 100µ o/c | 14-09-04 |
Akai | CT2179N-UK | Line osc too fast | C416 220pf 1kv dry joint, R412 10k ?w o/c | 14-09-04 |
Akai | CT2179NUK | Whistles for 1sec then dead | C807 47uF 25v | 14-09-04 |
Akai | CT2179UK | Int blanking pic | RIC01 SPH113 chip faulty (blanking sig o/p at pin 25) | 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 | CT2567 | St/by only | timing constant capacitor for the standby IC is leaky. The IC is mounted on a heatsink in the middle of the board. C093 is a pair of surface mount capacitors [in parallel] connected between pins 2 and 4 of the IC. Remove these capacitors and replace them with a 220nf. | 14-09-04 |
Akai | CT2579 | 2 inch gap at rh side | C516 470pf 1.6kv next to lop tx | 14-09-04 |
Akai | CT2579N | Steady, Oversized pic | C513 scan corr cap dry joint | 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 |