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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
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
PhilipsFL1.6Horizontal stripes in the upper part of the picture.Check the +13V. If too low: check D6247 (LL4148; 4822 130 80884). 14-09-04
PhilipsFL1.6How to enable/disable "Child Lock"Press "MENU" button on Remote Control. When the menu appears on the screen, you select "SPECIAL FEATURES" (this expression is language dependent) Within "SPECIAL FEATURES", the "CHILD LOCK" can be enabled or disabled. 14-09-04
PhilipsFL1.6Hum in sound; when set is in mute hum disappears.Voltage on pin 1 and 2 of IC7009 about 11V, voltage on pin 5 and 7 of IC7009 about -11V. Check IC7009 (4822 209 83163; LM833N) on the LSP. 14-09-04

PhilipsFL1.6Initially no picture, only OSD, TXT menu. After 5 min. picture O.KReplace IC7215 (4822 209 63902; SAA9042) on the LFR (proscan) box. REMARK : On pin 1 of IC7430 (TDA4680) an offset of 1V during +/- 5 minutes coming from IC7215). 14-09-04
PhilipsFL1.6JitterIn PIP unit change the value of R3336 to 4k7. 14-09-04
PhilipsFL1.6LEDs are blinking; +141 is 35V.Check line deflection circuit. 14-09-04
PhilipsFL1.6LEDs blinking; error code 99.Power supply switched off by hardware protection. Check TS7540 (BC848C; 5322 130 42136) on the sync part of the SSP on leakage. 14-09-04
PhilipsFL1.6LEDs blinking; no +8A on pin 5 of IC7430 TDA4680 during start-up.Check R3480 and R3481 on SSP (2R7; 4822 052 10278). Also change R3483 into 47ohm (4822 116 52195) and D6480 into LLZ-F8V2 (4822 130 82192). 14-09-04
PhilipsFL1.6LEDs OK, no +141.Check TS7504 and TS7506 (ON4673; 4822 209 63912). 14-09-04
PhilipsFL1.6LF sound mute.Check IC7002 (4822 209 83163) and TS7005/7006 (5322 130 42136) on the LSP. 14-09-04
PhilipsFL1.6Line-oscillator cannot be adjusted.Change R3051, on the LFR (digital scan) box into 30K (4822 051 10303) REMARKS : Introduced in production in week 9317.14-09-04
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