philips Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
Philips PLASMA 42FD9954 S FM24
Green dots flashing over the screen in AV modeChange resistor value R3641 from 1K to 100ohm
Philips L6.3
Failure of fusible resistors R3929 and R3930 both 560RUnfortunately when these blow it is a sure symptom of LOPTX failure. When replacing these resistors, check the big blue 470nF, 250V capacitor behind them for signs of heat damage and replace if necessary, to avoid a recall With resistors gone again!
Philips 20PT3742
Dead with LED blinking 4 timesThe vertical output IC. is short circuit
Philips 29FL1770 or 25FL1760 FL1.0
Lights flashing at the front, if carefully interpreted they point to the primary of the power supplyReplaced 2SB 3795B chopper transistor, heated the heatsink with a hair dryer and it started right up, weird as the transistor was reading fine
Philips 29FL1770 or 25FL1760 FL1
When selecting a channel it locks in initially but will then go off tune as if the voltage tuning had variedReplaced the TDA i.c. in the tuner i.f. section. tried the capacitors first of course.
Philips 29FL1770 or 25FL1760 FL1
No pictures or soundDisconnect the P1 and P2 plugs on the right hand side board. L.o.p.t. side. If the set now starts up then change all sound output IC's
Philips 25FL1760 FL1
Set tries to go to stereo as indicated by the on screen display, but most of the time it is stuck in mono, when in stereo the right channel was hissingReplace the TDA8415 on the stereo decoder board, confirm this buy putting multimeter on pin 7 and 8, they should have a voltage of 3.2 volts
Philips 14PV184
Dead set / blown fuseReplace D6313, 6314, 6315, 6316 and R3337 2R, 5W
Philips 29FL1770 or 25FL1760 FL1.0
After replacing the line output transformer, the following sympton was displayed. Display flashing standby light and stereo IIShort s23 and s24 briefly, which will put the set into service mode. Option 1 should read 010 this applies only to the 25FL and 29FL. Option 2 should be 001 for sets with text and 004 for sets without text
Philips 21GR2751 G90B
Stereo set with no sound off air, maximum volume produces low hiss, some sound possible if station is detuned slightly. Sound via SCART is okReplace IC U2829B on audion panel
Philips 14PV220 EPSILON 2001
Dead TotallySMPS Chopper IC 7310 MC44608 P75. I had no output from pin 5 with start up voltage pin 8 OK at 290V. If start up missing check start up resistor 3335 1K. The only source I found for IC 7310 was Philips direct, part number 9322-143-51682, cost ~ £10
Philips VR6448 20921
Mechanism jammed, some posts hard to turnGrease has turned into cement!! Oil most of the moving parts, and move them to ensure oil penetrates
Philips 33SL5796/16B FL 1.0
Snowy picture specially in VHF band. After about 5 minutes, picture snowy in all bands. About 10 minutes after switching on, no picture nor sound, just snow on the screenReplaced the TUNER/IF. Original code was FQ816ME which is no longer in production. Replacement code is FQ916DME
Philips VR678
Reel brakes not operatingDue to broken plastic pivot for pulse slider item 110 mounted on does not look like replacement part but wve stock holder, pulse mech kit Pt no. 16256HL
Philips Turbo Deck
Chews tapes and poor trackingFit new pinch roller
Philips 28PW6005 A10
Changes to ext 1 when watching tv ok with video inputPainter ic IC7064 failed on the ssb small signals board
Philips 20PV164-05
Vertical frame collapseChange vertical output drive IC and nearby electrolytic capacitor
Philips FL1.1AA
Int shutdown with lights flashingCheck the 18v zener D6376
Philips GR2.1 AA
Poor picture quality from CVBS EXT1 and EXT3. Low intensity high saturation. Loss of sync. Shock and temp dependentDry joints on SMD resistors 3014 and 3019 on IF/Sound module other side of encapsulated TDA2549
Philips Combi 14TVCR240
Poor tape transport, tape is crumpled, upper or lower side gets rippledReplace the capstan roller, if the tape transport is still not smooth check the guidepole between the audio/control head and the capstan, tape must touch border-ring. Adjust the audio head position screws marked A and T