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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: 105
PhilipsFL1.6"ON" LED blinks. No control menu and/or "dark TXT" and/or "no PIP".Options lost, mount Motorola IC MC33164P (4822 209 31294) as described in Service Information FL1 93.02 (4822 727 19885). 14-09-04
PhilipsFL1.6+141 is 75V when disconnecting hardware protection (PROT signal).When disconnected hardware protection, output voltage was 75V. Apply SOPS repair kit (4822 310 31993). 14-09-04

PhilipsFL1.6100Hz crossPossible solutions: 1. Interrupt on the SSP the 50Hz Y-signal, between pin 11 position IC7324 (TDA4568) and pin 11 position IC7395 (TDA8443), by deleting position 4302. Repair the connection by means of a shielded cable of 16cm long, m14-09-04
PhilipsFL1.622AV1440 is switched on by external VCR when FL1 is switched offConnect 4 diodes of type BAT 85 to inputs of IC7630 on SSP. 1 diode between pin 3/IC7630 and +5V, cathode to +5V. 1 diode between pin 5/IC7630 and +5V, cathode to +5V. 1 diode between pin 3/IC7630 and -8V, anode to -8V. 1 diode between pin 5/IC7630 and -814-09-04
PhilipsFL1.650Hz buzz noticable through speakerCheck/replace IC7680 on the SSP - TDA8425, pseudo stereo IC. (4822 209 63734). 14-09-04
PhilipsFL1.6Adjustment of white balance and cut-offAdjustment of white balance and cut-off --------------------------------------- The white balance and cut-off adjustment instructions given on page 7.5 of the FL1.6 AA chassis manual require clarification as follows. Manuals: GB 4822 727 18914 NL 48214-09-04
PhilipsFL1.6After 10 minutes picture becomes red from right sideC2395 on the LSP poorly soldered. 14-09-04
PhilipsFL1.6After a while stripes in pictureIC7430 (TDA4680) defective (4822 209 31592). 14-09-04
PhilipsFL1.6After one hour picture jumps verticallyBurst key 50 (BK50) on LFR (digital scan) box is 10Vtt with 50Hz frame sync. instead of 5Vtt without frame sync. Check D6001 (LLZ-C5V1 4822 130 80884) on LFR box. 14-09-04
PhilipsFL1.6Alternative for A66EAK252X43Alternative for A66EAK252X43 ---------------------------- The following Blackline S tube will no longer be supplied: 28" A66EAK252X43 4822 131 20502 This has been replaced by: 28" A66EAK252X44 4822 131 20567 REMARKS : If an old picture tube 14-09-04
PhilipsFL1.6Antenna input: no sound. External input: sound O.K.Check whether crystal 1602 (stereo decoder) 10MHz oscillates. If not replace X1602 (4822 242 80276). 14-09-04
PhilipsFL1.6Audio signal from tuner audible during silent passages of VCRThis fault occurs when the volume-setting is higher than 50%. Service solution: ----------------- Add an extra circuitry which uses the CVBS-status via scart connector as a switch function. With this signal input from the VCR, the audio signal from tuner14-09-04
PhilipsFL1.6Bad focus or focus varies in a new set or after CRT replacementPossible solution: Short circuit the focus and the G2 pins of the picture tube with the aquadag coating. Switch the set on for approximately 5 seconds. After this return the set to its original condition. Check if the focus adjusted normally. If not repla14-09-04
PhilipsFL1.6Bad focus or picture shuts off with flyback linesCreate an artificial flash-over in the CRT, by short circuiting VG2 and focus and connect them for a short moment to the aquadag. REMARKS : In production modified tubes are introduced in week 9225 14-09-04
PhilipsFL1.6BUX85F in mikroSOPS defectiveChange the value of C2260 to 4n7F, replace 7270 with transistor BD825 (4822 130 41746). 14-09-04
PhilipsFL1.6Change of IC7201 and IC7215 to SAA9042P/A/MOBChange of IC7201 and IC7215 to SAA9042P/A/MOB -------------------------------------------- IC7201 in the High End Box and IC7215 in the LFR (digital scan) box have been changed from SAA9042P/A/MOA to SAA9042P/A/MOB (4822 209 31851). REMARKS : T14-09-04
PhilipsFL1.6Child lock was activated (TV only working in service default mode).Replace EPROM IC7137. Add protection IC MC3364P (4822 209 31294) as described in service information FL1 93.02 (4822 727 19885). 14-09-04
PhilipsFL1.6Colored picture or picture is green/red, fly-back linesCheck zenerdiode 6450 on pin 19-IC7430 on the LSP. New diode must be Philips (Telefunken does not work), 4822 130 81512 14-09-04
PhilipsFL1.6Colour was shifted to the left and only red and blue.Black and white picture signal on IC7366 pin 11-12. Replace IC7366 (4822 209 63108; TDA4660) on SSP. 14-09-04
PhilipsFL1.6Correction of diagram M` of Service manualCorrection of diagram M` of Service manual ------------------------------------------ The diagram/partslist of the LFR (digital scan) box shows IC7244 typenumber N74F74D. However on this position an IC with typenumber N74F125D (5322 209 61857) is used. 14-09-04
PhilipsFL1.6Correction on Service Information.Correction on Service Information FL1.2 AB/BB 92.05 (4822 727 19773) FL1.6 AA 92.01 (4822 727 19778) --------------------------------------------------- At point 3/1 (New XICOR) is mentioned: Add position 6135 (4702). This should be: Add on position 614-09-04
PhilipsFL1.6Correction to the electrical adjustment 7.2 of theCorrection to the electrical adjustment 7.2 of the service manual FL1.6 AA. ----------------------------------------------------------------- Cut-off alignment Switch the set into 4:3 mode. Switch out the DNR via the remote control. Select a black picture14-09-04

PhilipsFL1.6Dark foggy picture, even with max. contrast and brightness.Black level of Y output on connector 1H21 of the LFR (proscan) box at 0,3V (instead of 0,1V). Replace IC7209 (4822 209 31059; SAA7158). 14-09-04
PhilipsFL1.6Digital noise in picture. Most blue colour.Output of IC7206 (DRAM TMS4C1050-3N in the LFR) pin 10/11/12 is 2.5V instead of 5V. Replace IC7206 (4822 209 60525). 14-09-04
PhilipsFL1.6Disturbed sound on left channel.Check IC7009 (4822 209 83163; LM833) on LSP. 14-09-04
PhilipsFL1.6Fall off position 3204 on the Large signal panelFall off position 3204 on the Large signal panel ------------------------------------------------ When position 3204 (NTC/PTC; 4822 116 40215) on the LSP is defect it is recommended to replace it by a PTC/PTC (4822 116 40253). Together with this change al14-09-04
PhilipsFL1.6Frequency OSD is not the same as the station you receive.Example: channel 5 gives 160.00 MHz instead of 175.25MHz. Check/replace tuner item 1160. FQ844 : 4822 210 10412 FQ816ME/B : 4822 210 10507 FQ816MF/IF : 4822 210 10416 FQ916ME/BL : 4822 210 10548 FQ916DME/B : 4822 210 10549 14-09-04
PhilipsFL1.6Frontends FQ816ME/B and FQ816MF/IFFrontends FQ816ME/B and FQ816MF/IF ---------------------------------- 1. For the frontend with service code number 4822 210 10507 the following types can be supplied: FQ816ME/B with factory code number 3122 297 10901 FQ916DME/SERVICE with factory14-09-04
PhilipsFL1.6Horizontal amplitude cannot be adjustedTransistor 7610 (2SA1359) on the LSP short circuited, check/replace. (4822 130 60111). 14-09-04
PhilipsFL1.6Horizontal black lines with 100Hz sets and Sony Hi8 camcorders.Change the value of C2396 on the small signal into 220nF (4822 122 32927). On 100Hz sets together with the Sony Hi8 camcorders, you can see very small sharp lines over the picture. This phenomenon is most of the times visable when the tape is situated i14-09-04
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