Make | Model | Problem | Solution | Date |
| | | |
Found: 83
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Daewoo | CP240 GB20F8T2 | Dead or relay clicking only | C840 47µ 25v in psu pri | 14-09-04 |
Daewoo | CP240 GB20F8T2 | No control of vol or chan change - neg pic with fb lines | 1703 eprom available from seme part number CAT24C08p at ?8 | 14-09-04 |
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Daewoo | CP240 GB20F8T2 | To set up & service mode… | Put set in standby then press blue yellow green red & standby to get into svc, to adjust use 4 & 7, vert centre 5 & 8 size 6 & 9 slope yellow, blue horiz centre 123 & above to ajust RGB | 14-09-04 |
Daewoo | GB20A5 | No picture sound ok power supply working ok | IC1301 TDA8356 _ D301 5.1 Zener | 14-09-04 |
Daewoo | GB21F1T2 | Dead - 4A mains fuse blown | C842 4700pf blue bead cap burnt & short | 14-09-04 |
Daewoo | GB2898CTV | Arcing in scan coil plug blew components | Field chip TDA8351, then bright blue raster - TDA6106Q B o/p chip on crt base | 14-09-04 |
Daewoo | GB2898ST | Buzz on sound at low level | resolder fop chip heatsink | 14-09-04 |
Daewoo | GB2898ST | No e/w correction | Q404, next to the E/W o/p tr 2SC3198 leaky | 14-09-04 |
Daewoo | GB2898ST | no picture - sound, heaters, EHT were OK. | Decoupling cap C417 4n7 400v leaky | 14-09-04 |
Daewoo | GB2898ST | Sound only - no line drive | R820 feed to 12v & 8v feed should be 2R - was 10R in this case | 14-09-04 |
Daewoo | GB2898ST | St/by only | C815 1000µ 25v o/c | 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 |
Ferguson | FG20CB22U | Switches itself off aft 10 mins | Replace 4 elects in pri of psu | 14-09-04 |
Goodmans | 285NS Daewoo GB2898ST | Buzz on sound at low level | resolder fop chip heatsink | 14-09-04 |
ITT | Compact B2 | Trips at sw on - ok when LOP dis'd | Fault was in psu - C700, 701 10µ ; C704 & C711 47µ | 14-09-04 |
Luxor | B2 | Low HT from psu of 90v instead of 129v | RN28 560k o/c, also check RN29 330k | 14-09-04 |
Luxor | B2 B2 | Dead. | TN02 ( thyristor ) BRY551 *note must be L version. | 14-09-04 |
Matsui | 25M1 Sanyo EB2 | No memory | eeprom IC. ST24C02B (IC790) To initialise new chip, press and hold function button on tv, while pressing recall on remote handset. this gives message on screen Item-1 Set-0 Confirm Set number of all items is "0" by pressing the function button. If it is not "0" change to "0" by the level(+/-) button. (Changing the set number, automatically memorised.) Press the Recall buton to return to the normal TV mode. Then tune in and store channels as usual | 14-09-04 |
Mitsubishi | Ct25B2STX | buzz on sound - flat pic | 0.47µ 50v electrolytic in if and dry joints in if | 14-09-04 |
Mitsubishi | CT25B2STX | Dead - Q901 s/c. | Fit mod kit ( wVe 77901 ) R901 , D908 , Q901 , C908 to 2700pf , C966. | 14-09-04 |
Mitsubishi | CT25B2STX | Field collapse | IC451 TDA8178S - if TDA8171 used mod reqd | 14-09-04 |
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Mitsubishi | CT25B2STX | Field collapse - replacement of FOP chip | When replacing failed IC451 TDA8178S check elects in field & psu ccts; note TDA8178 nla - use TDA8171 & mod kit usually supplied with it | 14-09-04 |
Mitsubishi | CT25B2STX | FIELD COLLAPSE , NO 30V RAIL | IC551 ( EW ) & R976 , ALSO CHECK Z551 | 14-09-04 |
Mitsubishi | CT25B2STX | FRAME COLLAPSE | REPLACE IC451 | 14-09-04 |
Mitsubishi | CT25B2STX | Nicam dropout with crackling | Dry joints IF unit | 14-09-04 |
Mitsubishi | CT25B2STX | No sound | Format EEPROM as per manual | 14-09-04 |
Mitsubishi | CT25B2STX | Several attempts reqd to sw on & HT high initially | C909 2.2uF in primary of PSU. | 14-09-04 |
Mitsubishi | CT25B2STX | Smeary video esp when cold | Check/replace caps in IF can | 14-09-04 |
Mitsubishi | CT28B2STX | N/S Distortion | Replace Q4009 on PCC board. (TIP42C Substitute ok) | 14-09-04 |