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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: 38
FergusonICC17 M8422UDead with mains fuse blownDP06 BZW04-342 across mains rect cap (not shown on all cct diags)14-09-04
HitachiC1422RPSU off with a bangD801 bridge rect DB107G s/c, chopper Q801 IRFI630G s/c, D805 BZT03C130 130volt 1.3watt zener s/c, R814 0R39 1/2w o/c. R813 0R22 1/2w o/c, Q404 BUT11AX LOPTr s/c, or fit T9813136. CHS code -12022TM (expensive)14-09-04

Matsui1422Blank rasterL108 in if strip o/c14-09-04
Matsui1422BLANK RASTERL108 IN IF. STAGE o.c.14-09-04
Matsui1422BLANK RASTERR30914-09-04
Matsui1422CRACKLING AUDIOIC101 ( KA2914A ) ( EQUIV TO TA7680AP )14-09-04
Matsui1422DARK PICC507 SC14-09-04
Matsui1422DeadC617 & C612 4n4 1kv- usually crack -also check surge limiter Res14-09-04
Matsui1422DeadC617 burnt & Q604 s/c14-09-04
Matsui1422DeadCHECK LINE OUTPUT TRAN Q305 , C60914-09-04
Matsui1422DeadC617 SC Q604 SC14-09-04
Matsui1422Dead - HT highQ305 s/c & C609 47µ o/c14-09-04
Matsui1422DEAD OR BUZZINGC617 4n7 1kv C61214-09-04
Matsui1422Field - lack of heightC308 2µ in field lin cct14-09-04
Matsui1422Field collapse56v supply missing from FOP chip due to R306 10R fusible o/c14-09-04
Matsui1422Field collapseField output 56V supply missing because fusible resistor R306 ( IOR ) was open-circuit.14-09-04
Matsui1422FIELD COLLAPSEC249 0.22uF OPEN14-09-04
Matsui1422LACK OF HEIGHT ABOUT AN INCH OF SCANC308 ( 2.2uF )14-09-04
Matsui1422LOW FIELD ( ONLY 1" )C308 2u214-09-04
Matsui1422No display or tuningD403 on front panel14-09-04
Matsui1422NO DISPLAY OR TUNINGF605 ( MAIN PCB ) OPEN14-09-04
Matsui1422NO PICTURE JUST BLANK RASTERL108 IN IF STRIP OPEN14-09-04

Matsui1422NO POWERC617 BURNT OUT CHECK Q604 AS WELL14-09-04
Matsui1422No signalsLoss of LT supply as F602 was o/c - (encased in plastic with wires soldered to ends)14-09-04
Matsui1422No soundC150 s/c14-09-04
Matsui1422No soundC150 s/c at I/p to audio IC14-09-04
Matsui1422NO SOUNDC150 SHORT14-09-04
Matsui1422NO SOUNDC150 OC14-09-04
Matsui1422NO SOUND OR QUIET SOUNDC139 OPEN14-09-04
Matsui1422NO SOUND WHEN WARMD102 OPEN14-09-04
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