Hitachi Repair Tips

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Results: 1065

Make	Model	Symptom	Problem
HITACHI	C2574TN	Bouncing pic with lines aft ½ hr	La7838 filed ic & 2 x elect caps in vert o/p cct
HITACHI	C2573TN	Int shut down	Mains smoothing cap int o/c
HITACHI	C2567TN	E/w int	Q750 dry joints
HITACHI	C2565TN, C2574TN ETC	Trips under certain pic conditions & on vcr playback	R952 68k, r953 82k, r954 8k2 & check for dry joints
HITACHI	C2565TN	Set shuts down int. on loss of line sync or if vcr	Ht too high ( not 144v ) r952 68k high
HITACHI	C2565TN	Reverts to st/by at sw on - will come on if coaxed	R952 68k, r953 82k, r954 8k2 in psu
HITACHI	C2565TN	No pic with flyback lines	Ic1410 faulty
HITACHI	C2565TN	Int shut down caused by high ht	Change r952 68k in psu to reduce ht to normal 144v
HITACHI	C2564TN G100	Tripping	Dis plug pl702 & connect bulb between plugs orange lead & chassis to check psu. ht should be 140v. if ok check lop stage - d704 by228 & dry joints l650
HITACHI	C2564TN	Tripping - blows 630ma fuse on e/w board	Q651, q652, d704 all caused by l651 & r609 1r0 & fop chip tda8178s
HITACHI	C2564TN	P2 locked on av1	1) select chan which has been locked in av mode. 2) press upper red key on double row of col buttons (av mode). 3)menu appears showing chan posn & its av setting/freq 4) at bottom of screen are av options for that chan which correspond to col keys on remote. red=av1, green=av2, yellow=av3, blue=av4, violet=aerial. 5) press one of violet keys & off-air pic returns. 6) press store key (diamond symbol). 7) press "f" key to exit menu.
HITACHI	C2564TN	Lack of height, cramp & int field collapse	Dry joints ic601 tda8178 also pin 2 low volts (16 instead of 27v) r609 1r hi res
HITACHI	C2564TN	Int excessive width seems like a dry joint	Replace q752
HITACHI	C2564TN	Int excessive width seems like a dry joint	Replace q752
HITACHI	C2564TN	Field & e/w int	Check for dry joints esp on fop chip (hidden under plastic strut)
HITACHI	C2564TN	Dead apart from led flickering	F902 630ma o/c, loptr bu808df1 & corr tr bu801 s/c; d704 mod diode failed due to dry joints q651, check l650. note :- comps normally run hot - will not work with dummy load
HITACHI	C2564TN	Dead - s/c lop tr &/or e/w mod diode	Check l651 e/w coil for drys also l650 & q651/652
HITACHI	C2564N	Frame collapse	Replace frame ic and c604 ic**tda8178, 100mfd63v
HITACHI	C2564	No txt	Enter the programme mode of the set by pressing and holding both the volume + and volume - buttons while switching the set on by the mains on off switch. after a few seconds, the channel display will go out and the screen prompt "service 05" will appear. pull down the front cover of the remote control handset to reveal the vcr controls press the two record buttons twice. this will bring up the "tube" menu.press the teletext button on the remote handset,and the words "text service mode" will flash you can now adjust the data capture window by using the blue coloured buttons on the remote handset it is recomended that you start by pressing the bottom blue button.each time you press the button will move the adjustment one "notch". you may need to press the button 7-10 times when the text clock starts to run note that position. then continue to press the same blue button on the remote handset,noting the number of extra presses required,until the text clock stops once again. now using the upper blue button,move the setting halfway between the two points you have just noted i.e. if there are eight steps between the two points at which the text clock stops then press the upper blue button four times. when you have reached this point the text should run normally.press the store button on the remote handset and then go to standby to exit the service mode. if following this adjustment these settings will not store, replace i.c.2002 part no e740007
HITACHI	C2558TN	Tripping to st/by	C931/2/3 on sec of sm trfmr - note r/c reqd to bring set out of st/by