Repair Tips
Search:
Results 37055
Results 37055
Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
---|---|---|---|---|---|
Sony | KVM1400 | Will not power up, red LED blinks twice | Replace ICP fuse in HT line PS801 N15, 600mA mounted adjacent to pin 7 of LOPT | ||
Panasonic | NV370E | Display shows dew sensor at irregular intervals and different circumstances causing the video to go in standby mode | Bouncing effect of power switch on timer board. Only one section of this double pole switch is used. Add a 1nF capacitor in parallel to this switch and use the second section as well | ||
Hitachi | C2864TN | Psu in slow trip. 630mA fuse on E/W panel blown | Top E/W diode leaky D704 BY228 | ||
Orion | 5130-2RC | Picture was black and white, twisted, sound came and went | If switched on for a long time the picture improved but was still not OK. Capacitor C210 in the IF section had failed. Replaced and all OK! | ||
Goodmans | 1410 TX805 | Dead | One of the three series connected 68Kohms resistors was open-circuit. RP44 is rated at only 0.25w. It hides beneath two large green power resistors. The other two 68Kohm resistors are rated at 0.5W. We replaced them all with 1W resistors. Soak tested ok | ||
Loewe Opta | Contur T70 C9000 | Problems starting-up from standby | May be a problem in the power section. Replace C622 100uF and C631 100uF | ||
Amstrad | CTV3028N | No tuning | R124 15K o/c, 33 Volt tuning supply | ||
Sony | KV2165MT | Main fuse blasted | Replace the STR50115 | ||
Philips | GR1AX GR1AX | Will not start up from cold | Check if 95v line increases to over 100v when TR7628 BF423 is chilled. If so, replace D6629 BZX79-C12 and re-check 95v/re-adjust R3625. May also be worthwhile replacing TR7628 and C2629 as a precaution!! | ||
Bush | 3114AT | Dead, stuck in standby | Check R502 and R503 these should be 330k directly in front of the STR Transistor | ||
Sony | FE-1 | Band of interference down left of screen on dark scenes | This was cured by adding a 1000pF, 2kV capacitor part no. 1-161-731-81 in parallel with D539 in the EW diode modulator circuit | ||
Philips | GR2.4AA | Power Supply Protection enabled | Replaced zener diode 6561 BZX79C68 | ||
Sony | FE-1 | Loss of one colour with teletext and on-screen displays | Check the appropriate 2SC2412K transistor Q007 green, Q008 blue or Q009 red | ||
Philips | VR110 | Power supply tripping | Damaged print at one of the pins on primary side of transformer | ||
Daewoo | CP775 | Dead - faint ticking from PSU | LOPTx faulty - check Q401 D18809a4 aka 2SD1880 for s/c and D406 for s/c | ||
Thomson | 28WR23EG ICC17 | AV1, AV2 are fine but AV3 do not work. Picture may be ok but no sound | Replace BA7604N, and check CX64 47pF | ||
Philips | L6.2 | Picture is horizontally narrowed and deformed | Capacitor C2913 390nF, 250V on the deflector PCB had lost capacity | ||
Sony | KV28WS2U | No sound, speakers pop out if volume is raised from zero. Audio output from Dolby A1 board at +5v dc. | Lightning damage to this set and connected VCR. Centre/surround amplifier IC shorted blowing IC protector to its negative rail. Both amplifier ICs replaced as a precaution. No damage to Dolby A1 board | ||
Goldstar | CF28A54L PC58A | Lignes horizontaux aut de l'immage après remplacer | IC - TDA8350Q, Condo 470uF, 25V | ||
Sony | KV-25M80 BG-2 | Dead | 5V Supply Transformer Short |