is
is
larg larger er sour source ce ia
,.'.? '::.-.'.:. . :.
::!ft"
CONTENTS
ENTERTAINMEN
SYSTEM
RECEIVERS
TURNTABLES
42 52 60
TOOLS
Preventing ho electronic problems Th electronic unit ou om ar xper sign or ye rs afe, or yfree use. it proper care an maintenance, most of them ca as if ti utda ed only by ewer or soph st cate emergenc situations ca occur; it's usuall only then that we pa belate respec to th electrical curren coursing throug th intricat circuits housed in thes machines lt ough re ectr ca rgen ie ar he ik ly easily preven most electrical emergencie by proper installa ti n, us aint nanc he achi e. Fa ia iz ourhe re ai of el ct onic unit
ee
ot be ny
ange
properly performe ca preven hazardou conditions Th list of sa et ps ri ht cove basi ui el ne or he ai te nanc an repair of an electronic unit consul th chapters on individual unit fo more specific advice Electrical shoc an fire ar life-threatening emergencie at ca ha pe in ve he fe y-cons ious omes Depriv fire of it snea attack by installing smok alarms ju dici us ythr ughout he hous av he or ec re xt nhand an le rn ow o. se it efor
ou need it (page
wooden chai to push hi free (page 10) Kee medical emergenc number posted by th telephone, an do no hesitate to us he st reas dial 91 case if -t re teni emergency. Prepar yourself to handle emergencie before they occur. emergenc procedures at your fingertips step to take an refe yo he ep detailed instructions Also review Tool 26); it ovid valu bl nfor io
list quick-action ag and for Techniques (page epai ng ec
it.
technician An even in non-emergenc situations an inspec om your ut li ompany fi depa tmen an nswe home's electrical system
SAFETY TIPS fo ti in is ir cedure Famlliariz yourself with th specific safety informatio presente in each chapter. 2. Read Entertainmen System (page 12 to un er ta th interrelatio hi electronic it th ar oo ed up to th r, Referl Tool Te hniq es (page 26 fo instru ti ns on th 3. Neve us work ak ur roundi
lectroni nits unde we co diti ns re pr perl connecte
ir
le
al ompone
yo ca no
ir (pag
2)
ee ir
le ly
in
it
6. Cove th power- supply components (page co ductiv ieJo recautio ri olta tests. Avoi tciuchinganylhin bu the-contac points bein tested lu
in
ea ey pr te ti wh making re airs in id Pr ve injury fr pict re-t be impl sion by aski ic ld
televi ion. qualifie
in
te over-
10 Us only re la emen comp nent in ls reputabl electroniC parts supplier.
th
11. Perfor
(page 141) afte re n.. qualifiet;f'professional
ol
chec
li
rvic
th technici
fe chec
fo le ki volt it fo repair hav it
am
le
specificatiQns
12.•A oi runnin powe or nder carp ts thro gh he vily tr ffic ed ar s. Do ot se x.tensio cords. Ne piic ower in lt la lu tr ic 14 Un lu co nectio
ts
oust-free,
ir
el ctro ic nits an disc nnec external te na fr th television before in on ac ti n.
15 Inst ll surg .sup re sors to rotect comput rs sensitiv electronic unit from voltag spikes te
la
7. Inst ll smok 8. Po emer ency near your telephone.
ic
ic
tect rs an fire xtinguishers tility ompany
nd re ir
th
in your er ic
me umbers
E M R GE NC Y
GU DE
Call fire de artm nt Us fire extinguisher rate
fo electrical fire
Sh
an l; th n, un lu unit powe
ff
we
If fl me
or hot
Sh
er ic
sm lg ri
ff ower at
onti rvic fr
nd re ai
g u t p Take
au
spar
r c d f
w
it fo protsssionat
pate before servicin ocat Unit is excessively
ll
Shut ff
do
material spille Inlo unit
tl
ock, or ta
ni fo
or sh
we at er ic
ff
rofe si al
rofessio
rvic
ne (p
10)
ervice
r c d f m w l o
(p. 10
unobstructed
pl mbin rvic
sorb
ii ture
pa el th n. clot
it
bs rb
ur lf if
ry pl
an ~air ry
clot
If perso is immo iliz room ha le wo de
shoc
waUo tl
ni powe
or fr
wall outlel
11
(p
Unplug unit pow.er cord from wall outlet ry unit
Electrical
or fr
(p. 11) if necessary
it
Dr unit with Beverage or othe foreig
or
take ni fo
g u t p
we at
ni powe
tl
ts
ol to ch
utle
(p. 10); iNai unti odor dissi-
Reposition unit with ai venl
flooded
wall
service
an repair ca se
it ir
pl
unit
n of u t a d u
or fr
ho se nd wait fo fire ep rtme
nel; th n,
it cate
,l av
(p. 11)
nd
ir ry
live urre t, ai (p. 10)
if wet;
us
le
th
im wa fr
(p 11)
om on nt ourc
it
oo en
Chec whethe victim is breathin an ha pulse. If not, begl artiiicial resuscitatio or cardiopulmonar resuscitation (CPR) if yo ar ualifi d. Ot rwis la icti recovery positio (p to),
Electrical burn
So
if juryIn ol
Seelunedical
attentio
ri
ov
with st rile
ze if ev re
immedlately, sinc electrical burn ca
Turn off ll unit that have molars to preven overloadin powe is restored
Powe failure
Keep emergenc eave Lightnin
wate
Un lu
storl)'l
supplies on hand includin
li ht on
nits or se
internal injury
electrical system whim
flashlight or candle
ll
ll el ctro ic
caus
is
to
surg suppressor to protec them
Slay away from windows, doors, fireplaces radiators, stoves sink an pipe li
Call utilil
in
nythin
Antenna
li
company, police or fire department ll in ittouche in lu in
fe ces, tr es
li
electricity.
nd antenn
li
antenna
Do
ttem
to islodg
te
Call utilit company, police or fire department
AFET
SYMBOL
ON ELEC RONI
Operation warning. triangle with an sxctarnatlon mark. ar th se to consul th owner' m a n u a l before operatjn th unit
UNIT Voltage warning. triangle with l!ghtnin bolt warn of potentia electrical snack hazard. fo Usually, t hi s s y b o c a th back or bottomo tt h n it . I f t h y m i s p os t an internal component, 'd no touc th component electrical curren ma be sterad in iteve !hough th unit is turned of an unplugged.
l as e w ar ni ng . triangle or square "Yit sunburst symbol warn of possible d a e r f ro m l as e T hi s y m foun on th back or bottom of compac disc player Neve look dir ectly at anop eralin laser: it intens ligh ca caus permanen eye damage.
in
EMERG EN CY
CUTTIN
GUIDE
OF
tt ng
ELECTRICAL POWE
he
vi
we an w ea r s . W ea r av ha an A t c i c u b re C k e p an e of he mai ad ed c au t o n u s y ou r uc ha a n a wa y an At oc by h an d a n p u o u (inset). s h u o f e va r , . sh i h e OFF position.
RESCUING
an
pa el ar
h e o or . a ro u n at Or an se ac
ck b re ak e (ab9ve). w a y a n s ho c w i an ai an as
VICTIM OF ELECTRICAl.. SHOC
so wh ei iv en U s a l co ac ve cu w i b e h ro w n b ac k o m h e s ou rc e B u s om e m e m us c e s c on tr ac t n vo lu n a r a ro un d w i o r c om on D o n o o uc h h e. v ic t o r h e u n P \ h e o we r cord ug om he wal ou (step above, rigbt) we at h e m a s e c e a n ( st e a bo ve , e f ) . II ow an mm at s e w oo d oo an wo ha o c h e e rs o (above).
10
se
he oo a ro u he wal ou we or he wal ou se s pa r n g o r u rn i n o o uc h h e o w c o o r h e e l c t o n u n s t a d s hu t o f P ow e a t h e s e c e a ne l (left). O t h el 'N i s e d is c c ir 1 n sc t h e p ow e r c .o rd p lu g P ro te c y .o u h a n w i h ic k d r o w e o r h ea v w o r o v W i h ou t o uc h he w a l Q u ! o h e a la e on un as he ow co se al ch o m h e p lu g a n (above). o ca t a n u l h e p lu g o u o f h e w a l o u e pa i h e p ro b e m b e o r u s n g h e e le c o n u n o r h a o u e t a ga in .
an in vict lect ic ck C a l o r h e m rn e d ia te ly .C h ec k h e v ic t m ' b re a th in g a n d h ea rt be a t If r ea th in g o r h ea r b ea t g iv e m o u h - o -m o ut h r as u sc lt a o n o r e a r d io p u lm ( )n a r y r e s u s ct ta t io n (CPA~ o n Yo ar ua d. he ct a th in g a n h a n o s us ta i a c o r c k n ju ( s , p la c h i h e e co ve r p os i o n (above). T i h e h ea d a c w i ac si an on war ma ai an a i W a y K ee p v ic t ca a n c om fo r a b U n h e a r v es .
M ER GE NC Y
GU DE
CONTROLLING AN E L EC T R C A L F IR E
Usin
fire
fire extinguisher
ep rt en
al th If th re re
inimediately
in
th
ll
electroni unit or at th
wall oullat us
dry-
is
ou th fire Pul th l o c k th extinguisher ha dl d, holdin th exti guis er 1th la ic id io Ke il re is completely extinguished Watc care fl in
in ro ic li even if
tl
in
tm
DIRT
Drying an
cleaning inte na
it in liqUid. Dr
io
pl stic ru er-cleanin (page
ft
co ponents. th in ts th
om un in
tr
it
it
(page
th
le iy
it
th lo
(above right). to ru er nd electronic contac
ic
li t-
in
lu
cleane it
ll
to circ it boar
io
le
fuly (above
switches
left) ai
with
Finally, lu ricate
ll
11
It ma boas
top-of-the-lin
compac disc player an video-
investment in leisur that ca cost thousand of dollars. Whil ac addition un dd ne nter ainmen op ions al complicate system hookup an problems diagnosis. Thanks to solid-stat circuitry, electronic proble ar rare th appropriat chapte to troubleshoot your telephon system (pag 00 (pag 110) But consul th Troubleshootin Guid th ch pt (page 14)
C om pa c t d is c p l y e Left- and right·channel a u d o ut pu t c a b e s t o t h r ec ei ve r a r e conn ec te d b y p ho n p lu gs .
I~I
.t_p:=====~~.==r=;=;==r==r=r~1
:s
firs before referrin to th chapte covering specific audi or vide entertainmen unit To nswe qu stio bout he et-u or cabl hookup fo came with each unit or consul th manufacturer As
genera
interference that weaken th audi or vide signal if the cable is coaxial, this is less of worry. An exceptio is th turntable, whic is highly sensitiv to vibratio an signal interference
Receive, S p e a k e c a b le s (shown) provid e left· an r ig h t- c h a rm e l a u d i o u tp u t to s p ea k er s T h e w i r e nd s c o nn ec t t o s p ri ng -l oa d e t er m in a ls , c e p o r s C re W S .l ef t and right-channel o u tp u t c a b le s (sbown) f ro m t ur nt a bl e o r c o mp a c d is c p la y e • .a n d left and rightc h a nn e l i np u a n d o ut pu t c a bl e (shown) t o a n d f ro m a u di oc a s se tt e r ec o rd er , c o nn ec t with p h on o p lu g s g r ou n d w i r .1 i I showrr) f ro m t u rn t a bl e c o n l' 1 8C 1 s t h e g r ou n d in g s cr ew . A n n do o FM antenna (Shown)connacts with s p d a l ug s 1 0s c re w s . S ig n a c a b r o a n o ut do o a nt en n m a y b e c oa x a l o r s h ie ld e t w i · le a w it h c ap s s cr ew s c on ne ct in g t s w ir e e nd s s ig na l c a b r o t h c a b e , s y st a c oa x ia l A u d from
.(shown)
c a bl e f ro m t el ev is io n c o nn ec t w i t p h on o p lu g o r c o ax ia l c o nn e ct or s , ..- •.
T o o u tl e
AudiocaBSette
_rder e ft - a n d r ig ht · c h a nn e l a u di O i np u a n d o ut pu t cabes to and f ro m t h r a ce iv e c o nn ec t w i t p h on o p lu gs .
,..,.......""""!'- ----=.-.=
~'~~
..
Gr
FM
v_.
., To outlei r e ce iv e r
DO
:{!//ll//I/l///!////t
OO
. . . . . . . ' . . . .
~ . I
lIeI
1111
t>
._
,~
•
c
~o
Television S ig na l c a b r On ) a no u d oo r a n te nn a m a y be c oa x ia l w it h a -s cr ew - o o r p os h o n c on ne c o r o r s h ie ld e w in - e a d w i s pa d u g c on ne ct in g t o m a tc h n g t ra n sf or me r s ig na l c a bl e f ro m h e c a b s ys te m c oa x ia l V id e a n d a ud i n pu t cable (snown) r o h a v id eo ca s se t r ec or de r a n d a u d i o u p u c a b 1 0 th e r e c e iv er , m a y be c o n ne c te d b y .p I 1 on o p lu g s o r co a x ia l c o n ne c to r s
12
recorder S ig n a c a bl e (shown) o m a n o u d oo r a n e nn a m a b e c oa x a l w i s c re w -o n c o nn e ct or . o r s h ie ld e d t w in ·l ea d w i t m a tc h in g- tr a ns f or m er ; ,signal cable r o t h c a b s ys te m c oa x ia l V id e o ut pu t ~ e (shown) t o t h t el ev iS io n , a n d a u di o o u tp u t c a bl e (shown) t o t h t el ev is io n o r r ec e iv er , h a v p h on o p lu g o r c o ax ia l c on n ec to rs . VldeocliSll8tte
E NT ER TA lN ME N
Many entertainmen system problems ca be resolved by adjustin cabl hookups. Always turn of th unit before tampering with thei cables If yo 'mus disconnect cable, ta rst, no ng at ac en he peci ic te inal to hich on ec s; he or than on wire or onnector at he nd whic routes ca eful
whic ca shield sensitiv electronic equipmen from powe ke ur he ir ui ar andl he load especial if ther househol appliances will be runnin at th sa time Do no us extensio cords; reposition th unit instead, if necessary. nc yo el nate able hook ps as th ou prob le se vice he un tsel -Fir refe aref ll to he Em r-
signal to more than on unit,shoul be labele hose he ente ta nm nt syst nits in an entertainment
TELEPHON
Headphones C on n c t 1 0 a a c o n h e receiver (shown), audiocassette recorder, oompati d is c p la y er , v id e oc a s se tt e r ec or de r o r t e e v s io n w it h h ea d · 1/8- o r1 1 4· in c p ho n p lu g
introduction an familiariz yourself with th exploded diagram before beginnin work
SYSTEM
Answering mllChlne P lu g o n n e c o from wall a ck , a n plug o n n e c or d f r o t e le p h o n as co ec ack m a ch in e
Ma be c o e c e d h e c om pu t s ys t through m od em , w o .w a y n te r a c n g ~c h a C ha n c om pu t si al e le ph on e S ig na l a n v ic e v e s a
C on ne c : te le ph on e
i_-__.. _..·.,.
S YS TE M
ne co from b a se , a ns w er in g
"""_1
lumtllble. Left· a n d r ig ht · c ha nn e a u d o u tp u t c a bl e 10 receiver (shawn) a r e c o n n ec t ed ' b y _p h on e p lu g s ground wire (shawn) conn ec t t o r ec e v e g ro un d n g s cr ew , _
.®
Handset a c a cc e he u g o n the handset cord from t h t e e · phone base.
as On ac ac ha p lu g A no th e a c accepts t h p lu g on or he wa ac a n s w er in g m a c ll in e
COMPUTER SYSTEM Ma ti CQnnectad to r,=======::::;-'
h e t e e ph on e s ys te m through modem, t w o -w a y I nt er la c in g d ev ic e h a l changes e le ph on e s ig na l nt an
v ic e v e s a
__ ~""
:J
T e m in a n te r a c
Monitor C ab l 9 m m on i o r c on n c t ma unit with 0825 connector.
'_00
b lo c b e w ee n ab ma
T o o u td o o cable
o u d oo r a n av ac
Ma un C a bl es l. ro m m o n it or , k ey bo a a n p r n te r on ct wi D B2 5 c o n so to rs . C ab l r o printer has parallel- por or serlal-port connector.
speaker
F > o / l i t i v e a n n eg at iv e e tt -c ha nn e o r r ig ht cc ha n ne l a u d i O output o m h e 8j e n h ro u sp ak ca or pa ug co ct sp (shown). Th w i l o a de d . t e rm i na l s , caps o r S c w s E ns u ha he wi c on ne c , K h e p os i v e e rm in a ndca ed by he coor (. am wi p os it iv e t er m n a a t t h r ec e v er .
Keyboard ab om ma un wi
y bo a c o n ec t 0825 connector.
13
ENTERTAINMEN
SYSTEM
T R O UB L ES H O O T N G G U ID E POSSIBLE CAUS
SYMPTOM AUDI
ENTERTAINMEN
PROCEDURE
SYSTEM Receiver and/orotheruni turned of
unplugge
Remote contro dirt or faulty ower
ou et
Servic
ou et au
Receiver, audiocassett co ac disc play
es
recorder. turntable ault
turntabl or compac disc pl.wer controls set incorrectly
channel
Plug in an turn on receiver andlor audiocassett .o compac disc player remote cornro (p 136) DO br aker
replac
us (p.IO)
Servic receiver (p. 18 or audiocassett (p. 42) compac disc player (p 2)
nter tten
distorte
ha
recorder (p. 28 or turntabl
Receiver, audiocassette' recorder. turntable co ac disc la er faulty
djus rece ve selector contro to othe od s, Ifther ou d. service audiocassett recorder (p 28) turntable (p 42 or co pa is player (p. 2) if no so nd servic re eive (p 18)
Receiver controls se incorrectl
Adjust receiver controls in particular chec
bl ho ku au etween spea er an receiver or betwee receiver an audiocassette recorder, turntabl or compac disc player
Adjust receiver selector contro to othe odes er is ou ro both speake channels check. cabl hookup betwee receiver an audiocassett recorder turntabl or compac disc player (p. 16 DO if er stil ou ro only ne pe ke chan el ch ck ab hookup betwee speakers an receiver (p. 16 DO
Audiocassl;ltt recorder turntabl compac disc player faulty
djus rece ve selector on ro to othe odes If here is so nd ir both speake channels servic audiocassett recorder (p. 28), turn table (p. 42 ompact disc play (p 52
Rece ve urie co tr Antenn
or
posltlone
se nc rr ctly
incorrectly
Antenn
or cabl
speake (p 60); 18)
Adjust !receive tune contro
system faulty
djus receiv ab hook ps
elec or on ro et ee rece ve
othe odes nd antenn
corder turn ab disc player
or distor ed re co pact
soun is ca le sy te
receiver (p 16 Adjust receiv servic antenn
elec or on ro othe or cabl system (p 76
odes
no ro sa spea er serv ce sp ak from othe speaker, servic receiver ( p nter tten
i;lalanc contro
Adju'st antenna
Cabl hook ault et ee speake an receiver or betwee receiver an antenn or cabl system
ound
outlet serv ce
Adjust receiver andlor audiocassett recorder turntabl or compac disc player controls in particular .check receiver volume an tape monitor controls
soun from same speaker, servic othe speaker, servic receiver (p ou
recorder turntable.
rs
ch ck (p 16)
soun
(p. 60);
bl hook ault etween pe ke an receiver or betwee receiver an audiocassette recorder turntable, or compac disc player
djus re ei er se ec or co tr ther de so nd is ch ck cabl hookup betwee receiver an audiocassett recorder turntabl or compac disc player (p hookup betwee speakers an receiver (p. 16 DO
Audiocassett recorder turntabl compac disc player faulty
djus rece ve se ec or co tr ther de vice audiocassett recorder (p. 28). turntable(p. player (p 2)
or
so nd is
K, ser-
42) or compac disc
(p 50); ot ro sa spea er serv ce sp ak from othe speaker, servic receiver (p 18)
Humming,
buzzin
Speake vibratin
or to
clos
to turntabl
Repositio
Cabl ho ku au et ee sp ak an receiver or betwee receiver an antenn or cabl sy te betw en re eive an audiocassett recorder turntabl or compac disc player
djus receiv elec or contro to he des. If so nd is ab hook ps betw en rece ve an antenn ab syst DO betw en re eive an ud ocasse te recorder rntabl compac disc player (p. up betwee speakers an receiver (p. 16 DO
Ground wire hookup faulty
Chec
Antenn or ca le ys em (r dial or au io cassette recorder turntabl or compac disc player faulty
Adju receiv elec or contro othe des. ou servic antenn or cabl system (p. 76 or audiocassett (p 28) turntable (p. 42) or compac disc player (p 52) no fr
DEGREE OF DIFFICULTY ESTIMATE TIME:
14
speakers
1h
ground wire hookup
chec or
(p. 17 DO
ro am spea er servic pe ke (p 60); ot er sp ak r, ervice receiver(p 8)
recorder
