Haier L26F6, Service Manual

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S o m e se m iconductor (solid st a te) devices c a n be d amag ed e a sily by st a tic electricity.
S uch co m ponents co mm only a re c a lled Electrost a tic a lly S ensitive (E S ) Devices. The f ollo w in g
techniques should be used to help reduce the incidence o f co m ponent d amag e c a used by
electros st a tic disch a r g e (E S D).
Electrostatically Sensitive (ES) Devices
S o m e se m iconductor (solid-st a te) devices c a n be d amag ed e a sily by st a tic electricity. S uch
co m ponents co mm only a re c a lled Electrost a tic a lly S ensitive (E S ) Devices. Ex am ples o f typic a l
E S devices a re inte g r a ted circuits a nd so m e f ield-e ff ect tr a nsistors a nd se m iconductor "chip"
co m ponents. The f ollo w in g techniques should be used to help reduce the ncidence o f co m ponent
d amag e c a used by st a tic by st a tic electricity.
1. I mm edi a tely be f ore h a ndlin g a ny se m iconductor co m ponent or se m iconductor-equipped
a sse m bly, dr a in o ff a ny electrost a tic ch a r g e on your body by touchin g a kno w n e a rth g round.
A ltern a tively, obt a in a nd w e a r a co mm erci a lly a v a il a ble disch a r g in g w rist str a p device, w hich
should be re m oved to prevent potenti a l shock re a sons prior to a pplyin g po w er to the unit under
test.
2 . Af ter re m ovin g a n electric a l a sse m bly equipped w ith E S devices, pl a ce the a sse m bly on a
conductive sur fa ce such a s a lu m inu m f oil, to prevent electrost a tic ch a r g e buildup or exposure o f
the a sse m bly.
1-3-4. A bout le a d f ree solder (PbF)
This product is ma nu fa ctured usin g le a d- f ree solder a s a p a rt o f a m ove m ent w ithin the
consu m er products industry a t l a r g e to be environ m ent a lly responsible. Le a d- f ree solder m ust be
used in the servicin g a nd rep a irin g o f this product.
1-3-5. Use the g ene w in g p a rts (specifi ed p a rts)
S peci a l p a rts w hich h a ve purposes o f fi re ret a rd a nt (resistors), hi g h-qu a lity sound (c a p a citors),
lo w noise (resistors), etc. a re used.
When repl a cin g a ny o f co m ponents, be sure to use only ma nu fa cture's specifi ed p a rts sho w n in
the p a rts list.
Safety Component
Ɣ Co m ponents identifi ed by ma rk h a ve speci a l ch a r a cteristics i m port a nt f or s af ety.
1-3-6. Saf ety check af ter rep a ir m ent
Confi r m th a t the scre w s, p a rts a nd w irin g w hich w ere re m oved in order to service a re put in the
ori g in a l positions, or w hether there a re the positions w hich a re deterior a ted a round the serviced
pl a ces serviced or not. Check the insul a tion bet w een the a ntenn a ter m in a l or extern a l m et a l a nd
the A C cord plu g bl a des. A nd be sure the s af ety o f th a t.
General Servicing Precautions
S ervice M a nu a l
Model No.: /)