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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: 43
Orion14LED 14LRG 14Sound mutes during replay of ACP tapes duration vS/c R486 & C452 ( 47nF ) add ( 820K ) in parralell across R478 ( 270K ) ( Not complete cure but helps )14-09-04
SanyoCBP2572 ED1BLANK RASTER NO SOUND NO ON SCREEN DISPLAYS . MEMOREPLACE OR TRY RE-PROGGRAMMING BY PRESSING THE SERVICE SWITCH AND VOLUME PLUS BUTTON TOGETHER . SERVICE SWITCH BEHIND SMALL H14-09-04

SanyoCBP2572 ED1Blank raster, no sound or OSD2 x NVM chips on sigs panel sus; can be replaced or reprog14-09-04
SanyoCBP2572 ED1Dark & lacking contrastUnable to get "OK" indication when adj A1 volts in service mode. IC501 VCU2136 on digital pcb faulty - pt no 409 212 060814-09-04
SanyoCBP2572 ED1DeadR301 3R9 15w surge res o/c, Q303 2SC4429 chopper tr s/c, R315 dry joints caused it-also IC301 TEA2260 faulty14-09-04
SanyoCBP2572 ED1EW faultyDPU2553/75 deflection proc chip14-09-04
SanyoCBP2572 ED1Int loss off air signalsQ173 D/J14-09-04
SanyoCBP2572 ED1Q903 s/c R301 ( 3R9 ) o/cCheck R3165 D/J and TEA226014-09-04
SanyoCBP2572 ED1STRANGE E/W FAULTCHECK DPU2553/75 ON DIGI BOARD14-09-04
SanyoCBP2572 ED1To reprog NVM memory chipsPress service button (thro' hole in set front) & VOL+ together - be careful - all previous data will be lost!14-09-04
SanyoCBP2572 ED1WHITE DOT PATTERNDTI2223-06 , ON DIGITAL PCB14-09-04
SanyoCBP2576 ED0Burning smell then deadBurn up on pcb at line scan connector K-FF14-09-04
SanyoCBP2576 ED0Dead - whistle only - LOPTr 2SD1556 leaky,Overheats when replaced with int narrow pic, replaced C750 47µ 50v & C705 2µ2 50v for hi esr & check for dry joints in LOP section14-09-04
SanyoCBP2576 ED0No E-W correctionICP R756 (N20) o/c14-09-04
SanyoCBP2576 ED0No soundCarry out "start NVM" proc as described in manual14-09-04
SanyoCBP2576A ED0 chassisHeight twitches, int bright raster with fb linesResolder conns on digital panel14-09-04
SanyoCBP2576A ED0 chassisNo rasterTEA5101A RGB chip14-09-04
SanyoCBP2872 ED1Lines when cold with shading as warms upC404 (100mfd 50v) in the frame stage was the culprit, although its ESR reading was OK, and there were no signs of leakage14-09-04
SanyoCBP2872 ED1No sound - comes on briefly when cold sometimes with crackle/hissOK from scart socket - IC561 APU2471 could be faulty14-09-04
SanyoCBP2872 ED1No sound when sw on if still warmIC560 ADC2301E on sigs panel pt no 409 211 940414-09-04
SanyoCBP2876 ED seriesDead - LOPTr s/cdry joints on the Q600 a TIP111 Darlington device, C606 2.2mfd 50 volts C605 located next to TIP111 which was leaking electrolyte, T600 the line driver TX which was short circuit to all legs having cooked up and R600 10 safety resistor which feeds the line drive stage from the 28 volts rail coming from the PSU.14-09-04
SanyoCBP2876 ED0 seriesField collapse with thin bowed line across screenBad joints CRT coil connector14-09-04

SanyoCBP2876-00 ED028Txt moves sideways - pic okIC400 DPU2553 & check for line pulses to the chip14-09-04
SanyoED-1No pic sound okVCU2136 IC501 on digital board14-09-04
SanyoED-1off with faint st/by ledQ304 2SC536 error amp in psu u/s also check 5v reg14-09-04
SanyoED-1trips twice then offTDA1521 audio o/p chip IC390 leaky14-09-04
SanyoED0No pic due to field collapseTDA8170 field chip blasted, R715 N25 cp o/c due to C703 100µ 50v 14-09-04
SanyoED0service modeto enter service mode press MEMORY on TV and withing 5 sec press MENU on remote control14-09-04
SanyoED0To enter service modePress/release "Mem" on front panel & "Menu" on R/C within 5 secs14-09-04
SanyoED0 / EB1To enter service modePress & release diamond memory key on front ("Factory" shows on screen), press Index/Menu on hset within 5 secs; 1st tab on serv menu highlighted to allow entry of config code (02014) from handset. Pressing the R/C menu key again changes OSD to next setting, then alter with "Vol+" & "Vol-". To alter next parameter press sound button (under Vol+ button) to highlight next tab. Recommended values:- HO=02140; SO=01012; S1=00081; AO=00186; YO=00050; PO=15861; ZO=01369; P1=01665; Z1=00087; SP=0000914-09-04
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