Make | Model | Problem | Solution | Date |
| | | |
Found: 93
|
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 |
Alba | Ssangyong ETC. C | DEAD ZD401 12v ZENER SC R414 12R 2W OC LOP TR SC | CHECK HT SHOULD BE 114v CHECK ALL POWER SUPPLY CAPACITORS , ZENERS AND SOLDERING | 14-09-04 |
|
Bush | 2028T (11AK10) etc | Standby is initiated when "Vol +" or "Vol -" selected | Corrupted memory IC502 - password reqd when replacing which requires a procedure too long to list here. See Serge's email on subject dated 26/10/00 | 14-09-04 |
Bush | Ssangyong etc. | DEAD ZD401 12v ZENER SC R414 12R 2W OC LOP TR SC | CHECK HT SHOULD BE 114v CHECK ALL POWER SUPPLY CAPACITORS , ZENERS AND SOLDERING | 14-09-04 |
Ferguson | 21CB25UT etc | Parent Lock | holding the standby button down for 4 seconds & hide the remote from the kiddies. The set can be turned on again only with the handset. | 14-09-04 |
Ferguson | 21CB25UT etc | To display the menu | press PR-(Program minus), stop & on/off buttons
on the set (Not the remote). Adjust using arrow buttons & then press Exit to quit menu. | 14-09-04 |
Goldstar | CI21A80 etc | Won't come on from st/by | May be in child lock - use r/c to sw on | 14-09-04 |
Goldstar | CIT2168F CIT2190F etc | No sound - pic ok - sw to st/by aft 10 mins | Pin 7 IC401 TDA1940 produces muting o/p - chip u/s. Fit 1k res in place of J8 link | 14-09-04 |
Goldstar | CIT2191 Etc | DEAD 330v SUPPLY OK | C805 100uF 16v CHOPPER COUPLER OC | 14-09-04 |
Goodmans | 1408 etc | Field collapse | No 33v from psu - IV04 33v zener | 14-09-04 |
Goodmans | 1430R etc | Low gain when tuner replaced | Fit 27R res between pin 8 & 9 of IC pins adj to tuner | 14-09-04 |
Goodmans | 2055T etc | No st/by | St/by control line shorted to ground - cut link JP01 near IR Rx conn PV01 | 14-09-04 |
Goodmans | 2170/2175 etc | LOPTr Q210 has short life - High EHT & Focus volts | C264 47µ 160v (C434 in TV14RC) | 14-09-04 |
Grundig | SE7086TOP etc | int no sound - when increased gives popping noise | Mains sw st/by contacts int | 14-09-04 |
Hitachi | C1714T etc | Field o/p chip repeatedly fails | Replace ic 601. get two 33v Zener diodes and connect them in series ( BZX79C33V) connect the anode to pin 1 of ic601 cathode to pin 2 of ic 601. Fit 10nF 50v capacitor across the frame scan plug E701 on print side of the plug. If the ic still blows after this mod. a new CRT is required. The tube is flashing over. This applies to all sizes of 14T/TE range of sets | 14-09-04 |
Hitachi | C2146 etc | "C46TN" displayed - in factory set up mode | Press the 2 VCR buttons on hset together - when the menu appears go to st/by | 14-09-04 |
Hitachi | C2146 etc | Field - lines at top of pic | IC601 field chip | 14-09-04 |
Hitachi | C2146TN etc | No sound | TDA7263 Audio o/p chip | 14-09-04 |
Hitachi | C2146TN etc | Trips soon aft sw on | Dry joints R719/716 (LH rear of LOPTx)- hard to access, also check R905 0R5 or 2x 1R in Parallel | 14-09-04 |
Hitachi | C2156 - C32WD2 &tc | Int goes to st/by | VR951 +B HT preset 1k goes int or microphonic | 14-09-04 |
Hitachi | C2565TN, C2574TN etc | Trips under certain pic conditions & on VCR playback | R952 68k, R953 82k, R954 8k2 & check for dry joints | 14-09-04 |
Hitachi | C28300,C2576TN etc A5 chassis | Field lin & lines at top of pic | C725 33nF 400v | 14-09-04 |
|
Hitachi | C28300,C2576TN etc A5 chassis | Int trips & lines | C719 4µ7 250v smoothing cap for 200v in E-W corr & check joints T702 (under plastic strut) & R950 68k near HT pot | 14-09-04 |
Hitachi | C28300,C2576TN etc A5 chassis | Red pic with fb lines | R829 fusible on crt base o/c (not shown on cct diag) | 14-09-04 |
Hitachi | G10Q C2564 etc | Repeated failure of E/W diode D704 BY228 which causes tripping & blowing fuse F902 | Also replace Q651 BU801 pt no T636046 & Q652 BC548B, L651 filter coil pt no 2220642 (goes shorted turns) | 14-09-04 |
JVC | AV25GS1EK & AV25S1EK etc | Dead - HT starts to rise then decays | D521 BY228 in EW cct | 14-09-04 |
LG | CF28C22F etc | Field collapse | Fit mod kit KITPC33J (7 parts inc) | 14-09-04 |
Mitsubishi | CT21A2STX etc | Dead - LOPTr Q522 s/c | C905 (470µF, 35V), C906 (47µF, 50V), C909 (2.2µF, 50V) and C920 (100µF, 25V).Note that the transistor type varies with screen size, With a 21in. tube it's type
2SD1877, part no, 260P606010; with a 25in, tube it's type 2SD1878 (part no, 260P607010)
while with a 29in. CRT it's type 2SD1879 (part no. 260P608010), | 14-09-04 |
Mitsubishi | CT29AS1TX etc | Txt break thro' or black square in centre of screen | C958, 956 2200µ 16v & check C952, 974 & 973 | 14-09-04 |
NEI | 2031 etc. | BUZZ ON SOUND | CHECK 22nf CERAMIC CAPS AT ONE END OF IC. | 14-09-04 |