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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: 534
GrundigCUC120Startup - no start up.IC TDA4600 plus check drys on L631 off base of chopper Tx.14-09-04
GrundigCUC120Startup - takes a long time to come on.C626 reservoir cap.14-09-04

GrundigCUC1822Hor dashed magenta lines superimposed on picCheck for dry joints/elect caps in "feature" box14-09-04
GrundigCUC1842Focus poorReplaced tripler & 2 x 1n5 6kv caps on dynamic focus board14-09-04
GrundigCUC1882EHT comes up at sw on then reverts to st/byDry joint at fop scan coil plug in middle of pcb14-09-04
GrundigCUC20/30Blue screen onlydry joints IC61050, IC61060, & IC61040 regs14-09-04
GrundigCUC2000line collapsecould be o/c winding N & L on Ipsalo tfmr14-09-04
GrundigCUC2030E/W poorTDA8350 FOP chip14-09-04
GrundigCUC2030Hor black & white lines & no tuningSound MSP chip faulty - causing corruption to data lines14-09-04
GrundigCUC2030Hotel mode disablingSw set off at main Sw. Press "I" button & Sw on. In service menu change Hotel to "off"14-09-04
GrundigCUC2030Line collapsedry joint scan coil plug & R55006 5R6 1/2w o/c causing no E-W14-09-04
GrundigCUC2030Menu access & child lockhold the vol+ button on the remote and switch on the tv via the on/ off switch.this results in the language menu coming up. if you then press ok the set goes straight to auto tune mode. if you then press text this stops auto tune and allows you access to all menus.entering the code 7038 cancels lock?14-09-04
GrundigCUC2030Parental lockhold the vol+ button on the remote and switch on the tv via the on/ off switch.this results in the language menu coming up. if you then press ok the set goes straight to auto tune mode. if you then press text this stops auto tune and allows you access to all menus.entering the code 7038 cancels lock14-09-04
GrundigCUC2031Set jumps from Chan 1 to AV3 int on its ownCheck for arcing LOPTx14-09-04
GrundigCUC2032DeadBUZ90 SMPS T60006 s/c & fuse SI60001 1.6S o/c - caused by R60001 270k & R60007 120k hi res also TDA4605-314-09-04
GrundigCUC2040TrippingLOPTx (29221-029.52A) s/c, Seme HR6574 15.42 UKP.14-09-04
GrundigCUC2058DeadTDA4605, 270k 1/2w res & chopper FET IRFPC50 (used 2SK2078 in lieu) - all in PSU14-09-04
GrundigCUC2058Dead with blackened fusep. supply FET IRFPC50 was s/c due to 270k res in psu o/c, also replaced TDA4605-3 as a precaution14-09-04
GrundigCUC2058No soundBoth audio o/p IC`s TDA7265 & 2.5A wickman fuse o/c14-09-04
GrundigCUC2058No sound/pic - could be into/c print under small vert panel with 10 pins behind tuner14-09-04
GrundigCUC2058St/by onlyTripler - cheaper from CPC14-09-04
GrundigCUC2059Dead - chopper tr T60006 blown14-09-04

GrundigCUC2080No powerIRFPC50 s/c and 270K (connected to pin 2 of TDA5605-314-09-04
GrundigCUC2080turns on but goes to SB after a secondTDA8350Q + R54012 1Ohm +R50011 33ohm.14-09-04
GrundigCUC2131No powerR60502 (3M Ohm 2watt) open circuit14-09-04
GrundigCUC220Dead - intermittent.R646 ( 270k ) on PSU.14-09-04
GrundigCUC220Display - intermittent incorrect channel dispIC663 ( 5v reg )14-09-04
GrundigCUC220Excess col & brightness when heatedOK when Txt pcb dis'd - left it this way14-09-04
GrundigCUC220Frame collapse.R2779 ( 18k ) o/c remove to check.14-09-04
GrundigCUC220Frame distortion.IC TDA1770 if used , D2761 ( SKE4G1/04 ) , R2761 ( 6.8ohm , .75W )14-09-04
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