Make | Model | Problem | Solution | Date |
| | | |
Found: 396
|
Akura | CX23 | Flyback lines near top | C303 100µ 35v | 14-09-04 |
Akura | CX24 | Dead - hesitant to come on originally | R811 560k in psu pri hi res | 14-09-04 |
Akura | CX24 | No sigs | tuning volts fixed at 31v - R023 47k o/c | 14-09-04 |
Akura | CX24 | Sound low | Check for dry joints C622 1mfd bi-polar cap behind audio IC | 14-09-04 |
Akura | CX24 | Txt lines across screen | C310 4µ7 250v in fop stage | 14-09-04 |
Akura | CX240 | Snowy pic with 2" of field scan | R842 39k 1w in LOP stage | 14-09-04 |
Akura | CX25 | Dead | Start up res R804/805 15k (or 18k) 2w | 14-09-04 |
Akura | CX25 | Dead with low ticking noise. | Q401 ( 2SD1555 ) check for drys on R403 , R407 , R804 & R805. | 14-09-04 |
Akura | CX25 | Int blank white raster except for 4 bars on RHS. | Resolder IC705 on print side of upright PCB. | 14-09-04 |
Akura | CX25 | No col | changing the data at addresses 1A and 1B: 1A FF ; 1B 3F cured | 14-09-04 |
|
Akura | CX25 | No line drive - standby only. | Q402 ( line drive ) s/c ( c-e ) | 14-09-04 |
Akura | CX25 | OSD has "purity error" effect | cured by resoldering digital video sub board | 14-09-04 |
Akura | CX25 | Purity error type fault, mono ok | VCO locked to wrong freq setting =249(done via service mode) | 14-09-04 |
Akura | CX25 | Set trips off when warm. | 2x15k start up resisters low in value 1w non-flammable type. | 14-09-04 |
Akura | CX25 | To enter service mode | Press S901 at front of pcb and 'display' on hset together. Use 8 & 9 on hset to cycle thro adjusts. Vol+/- to set each one Store each setting with 'P' b4 moving to next | 14-09-04 |
Akura | CX25 etc | Int no pic, one col etc | Dry joints on earth links on component side of pcb - remove ics to repair | 14-09-04 |
Akura | CX25/26 | Int field coll | dry joints fop chip & hi watt standoff res near scan coil plug | 14-09-04 |
Akura | CX25/26 | Various inc field, brightness, sound & int dead also rf patt | eeprom chip (can be reprog - need serv man & r/c) - note orig settings b4 adj (see TV mag) | 14-09-04 |
Akura | CX26 | Dead no sec volts from PSU | C812 1µ 50v, C815 220µ 35v, C821 22µ 63v | 14-09-04 |
Akura | CX26 | Field foldover at top | C303 100pF | 14-09-04 |
Akura | CX26 | Int dead/blank raster/txt etc | dry joints on dig sigs pcb links esp link J746 under IC703 | 14-09-04 |
Akura | CX26 | INT FAULTS VARIOUS !! | DRYS ON DIGITAL PCB J746 LINK UNDER IC703 REMOVES LINE DRIVE | 14-09-04 |
Akura | CX26 | Int sw off with line foldover as it goes off | Dry joints line scan coil plug | 14-09-04 |
Akura | CX26 | NICAM OK FM US | IC002 EEPROM US ( SET WILL NEED REPROGRAMMING WITH DEFAULT SETTINGS ) | 14-09-04 |
Akura | CX26 | No fm sound with video pback | fm sound ok at IC101 pin 5 if chip - enters nicam pcb but does not reappear, IC002 eeprom chip faulty | 14-09-04 |
Akura | CX26 | Sound absent | EEPROM | 14-09-04 |
Akura | CX26 | St/by only | HT correct (116v) 5v supply low at 1.4v. C841 470µ 16v | 14-09-04 |
Akura | CX26 | Wont go into st/by | R804/805 15k go low res | 14-09-04 |
B & O | 2500 LX2802 | Int reverts to st/by briefly with blank raster on return | Tr6 - use BC338-40 as replacement - checks ok out of cct | 14-09-04 |
B & O | LX2500 37XX | NO STBY LED SET STUCK IN STBY | C14 470uF 16v OC | 14-09-04 |