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Repair tips

Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair

MakeModelProblemSolutionDate
Found: 4551
PhilipsG11Sound - no sound or picture EHT ok.IC507 ( TDA1412 ) 12v reg.14-09-04
PhilipsG11Sound - volume control inoprative.IC1 ( SAA5010 ) , R49 ( 10R )14-09-04

PhilipsG11Striations on left hand side.Add ferrite bead to wire link between tag14 of LOPTX.14-09-04
PhilipsG11Tripping - maybe intermittently.LOPTX ( diode split )14-09-04
PhilipsG11Tripping - picture dark & no colour.IC2510.14-09-04
PhilipsG11Tuning - drift after period of time.IC TAA550.14-09-04
PhilipsG11Width - control will not set correct.D3132.14-09-04
PhilipsG11Width - lack of width on bright picture.C3105 ( 0.0022uf )14-09-04
PhilipsG110At times no picture.Check C2366 (100 nF; 4822 122 33496). 14-09-04
PhilipsG110At times no synchronization.Check capacitor C2366 (100 nF; 4822 122 33496). 14-09-04
PhilipsG110Bottom fold overCheck and replace C 2509 (4822 124 40244) 14-09-04
PhilipsG110Brightness too high/fly-back line visibleCheck/replace IC 7465 (TEA 5101A/P; 4822 209 73832) Check/replace R3375 (180 Ohm; 4822 111 30542)14-09-04
PhilipsG110BUT11AF S.C. AFTER P.SUPP KIT FITTED AND SET RUN ICHECK - D6612 , 6614 ( CHECK DRIVE WAVEFORM TO BUT11 , SWITCH ON DELAY PROBABLY MISSING )14-09-04
PhilipsG110Characters wrongReplace U 1003 (4822 212 23371) non TOP Replace U 1003 (4822 212 23519)14-09-04
PhilipsG110CHOPPER + LINE TRANSISTORS SCC2546 8n2 2kv14-09-04
PhilipsG110Chopper tr blows at sw on even after fitting kitOK if mains wound up slowly - check on/off sw & Positor in degaussing cct14-09-04
PhilipsG110Chopper tr blows in st/by - ok when OND6646, D6649, Tr7655, Tr7656 & Tr7654 cleared the problem14-09-04
PhilipsG110Chopper Tr BUT18AF fails periodicallyFit mod - 2 x BYD73B diodes in series between b - e of BUT18AF (anode to base). Make sure Tr7654 is BC817 not BC84514-09-04
PhilipsG110Colour drifts to the right using the S-VHS input.Remove: R3433 and R3430. Modify: R3431 into 100 kohm (4822 051 10404). Add: R3428 - 180 ohm (4822 051 10181) between C2432/R3433 and 12 IC7425.14-09-04
PhilipsG110Coloured flash on channel change and VCR featuresIt is possible that on the G110 chassis a coloured flash may be seen when syncs are interrupted. For example when changing channels or on VCR playback in "still" or "search" modes. In the case of home video recordings, the edit points may be marked by a 14-09-04
PhilipsG110Coloured spots in picture (local dooming).Service solution: Mount a resistor of 220k ohms in parallel with capacitor 2349 and replace resistors 3891, 3892 and 3922 by 1k2 ohm types. Modification introduced in products. Sets with production number QG05/AG04.14-09-04
PhilipsG110Contents of memory lostReplace IC7770 (ST24C02CP; 4822 209 62098) Mount metal shielding 4822 466 82781 on IC7720 with earth to R 373814-09-04

PhilipsG110Continuous page header display in subtitleChange text IC to type MAB8461P/W196 part No4822 209 6247914-09-04
PhilipsG110Contrast adjustment inoperate, colour tailsDiode 6335 defective (4822 130 80446). 14-09-04
PhilipsG110Contrast variations with subtitling in sets with BL-CRT.1) Add a SMD capacitor of 1nF - 5322 122 31647 between pins 3 and 4 of connector 20G of the CRT panel.2). Add C2336 - 1nF - 5322 122 31647 between pins 3 and 4 of connector 14G on the mono carrier. Modify R3715 into 220k - 4822 051 10224. Adjust PP valu14-09-04
PhilipsG110Dead - 140v rail down.Change rectifier diodes - may check Ok when cold!14-09-04
PhilipsG110Dead - BUT18AF s/c in psuFlyback tuning cap C2546 8n2 2kv low value and EHT lead s/c14-09-04
PhilipsG110Dead - HT at 60v ; noises from LOPTxLOPTx faulty14-09-04
PhilipsG110Dead - psu ok on dummy loadC2546 8n2 & C2550 390nF in LOP stage14-09-04
PhilipsG110Dead - s/c in lop stageScan coupling cap C2550 390nf 250v s/c & bulging14-09-04
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