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S/M No. : CM003P-010
Service Manual
Color Television
CHASSIS : CM-003
Model : DTH-14V1FS
DTH-20V1FS
DTH-21V1FS
DTH-14V3FS
DTH-20V3FS
DTH-21V3FS
DTH-14V4FS
DTH-20V4FS
DTH-21V4FS
POWER
MUTE
CH
VOL VOL
CH
DISPLAY INPUT VIDEO
1 2 3
4 5 6
7 8 9
SLEEP 0 PREVIOUS
DTH-14V1FC DTH-14V3FC DTH-20V4FC R-38T01
Features
181CH quartz frequency synthesis tuning system
On-Screen Display(Simple Icon Type/Trilingual : Eug/Span/Fren)
Programmable channel skip memory
24 hour programmable TV on/off function
Convenient sleep timer
Built-in Closed Caption
Full function infrared remote control
Specifications
Model Name DTH-14V1/V3/V4FS DTH-20V1/V3/V4FS DTH-21V1/V3/V4FS
Screen Size 14" 20" 21"
VHF 2-13 VHF 2-13 VHF 2-13
Channel Coverage UHF 14-69 UHF 14-69 UHF 14-69
113 Cable Ch. 113 Cable Ch. 113 Cable Ch.
Power Source AC 100-260, 50/60Hz AC 100-260, 50/60Hz AC 100-260, 50/60Hz
Power Consumption 63W 70W 73W
Set Dimensions
336 x 338 x 376(mm) 496x446(2)(2)x464(4)(3)(mm) 516x469(6)(4)x482(6)(2)(mm)
(W H D)
Net Weight 8.7Kg 16.3Kg 19Kg
Stuffing Q'th(48ft) 1100Set 540Set
DAEWOO ELECTRONICS CO., LTD
http : //svc.dwe.co.kr Sep. 1999
Safety Precautions............................................................................................................................. 2
Product safety servicing guidelines for audio - video products ........................................................................ 2
Product safety dervicing guidelines for color television receivers .................................................................... 3
Specifications ..................................................................................................................................... 5
User's Instruction............................................................................................................................... 6
Block Diagram .................................................................................................................................... 19
Alignment Instructions ...................................................................................................................... 20
Service mode adjustments............................................................................................................................... 20
Assembly adjustments ..................................................................................................................................... 21
IC Description ..................................................................................................................................... 25
Troubleshooting Guide...................................................................................................................... 34
No power.......................................................................................................................................................... 34
No picture......................................................................................................................................................... 35
No sound.......................................................................................................................................................... 36
CH don't stop ................................................................................................................................................... 37
No color............................................................................................................................................................ 38
No vertical deflection........................................................................................................................................ 38
No on-screen display ....................................................................................................................................... 39
Remote control does not operate..................................................................................................................... 39
Service Parts List/Recommendable Spare Parts List .................................................................... 40
Exploded View .................................................................................................................................... 47
Service Guide
PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCTS
CAUTION : D O N O T AT T E M P T TO M O D IF Y T H IS P R O D U C T IN A N Y W AY. SUBJECT : X-RADIATION
N E V E R P E R F O R M C U S T O M IZ E D IN S TA L LAT IO N S W IT H O U T M A N U FA C -
T U R E R 'S A P P R O VA L. U N A U T H O R IZ E D M O D IF IC AT IO N S W ILL N O T O N LY V O ID 1 . B E S U R E P R O C E D U R E S A N D IN S T R U C T IO N S TO A L L S E R V IC E P E R S O N -
T H E W A R R A N T Y, B U T M AY LE A D T O Y O U R B E IN G L IA B L E F O R A N T R E S U LT - N E L C O V E R T H E S U B JE C T O F X -R A D IAT IO N . T H E O N LY P O T E N T IA L
IN G P R O P E R T Y D A M A G E O R U S E R IN JU R Y. S O U R C E O F X -R AY S IN C U R R E N T T.V. R E C E IV E R S IS T H E P IC T U R E T U B E .
S E R V IC E W O R K S H O U L D B E P E R F O R M E D O N LY A FT E R Y O U A R E T H O R - H O W E V E R , T H IS T U B E D O E S N O T E M IT X -R AY S W H E N T H E H IG H V O LT -
O U G H LY FA M IL IA R W IT H A LL O F T H E F O L LO W IN G S A F E T Y C H E C K S A N D A G E IS AT T H E FA C T O R Y S P E C IF IE D L E V E L . T H E P R O P E R VA L U E IS
S E R V IC IN G G U ID E L IN E S . T O D O O T H E R W IS E , IN C R E A S E S T H E R IS K O F G IV E N IN T H E A P P L IC A B L E S C H E M AT IC . O P E R AT IO N AT H IG H E R V O LT -
P O T E N T IA L H A Z A R D S A N D IN J U R Y TO T H E U S E R . A G E S M AY C A U S E A FA ILU R E O F T H E P IC T U R E T U B E O R H IG H V O LTA G E
W H IL E S E R V IC IN G , U S E A N IS O LAT IO N T R A N S F O R M E R F O R P R O T E C T IO N
S U P P LY A N D U N D E R C E R TA IN C IR C U M S TA N C E S , A M Y P R O D U C E R A D IA -
F R O M A .C . LIN E S H O C K .
T IO N IN E X C E S S O F D E S IR A B L E LE V E LS .
2 . O N LY FA C TO R Y S P E C IF IE D C .R .T A N O D E C O N N E C T O R S M U S T B E U S E D .
SAFETY CHECKS
D E G A U S S IN G S H IE L D S A L S O S E R V E A S X -R AY S H IE L D IN C O LO R S E T S .
A FT E R T H E O R IG IN A L S E R V IC E P R O B L E M H A S B E E N C O R R E C T E D , A C H E C K A LW AY S R E -IN S TA LL T H E M .
S H O U LD B E M A D E O F T H E F O LL O W IN G : 3 . IT IS E S S E N T IA L T H AT S E R V IC E P E R S O N N E L H AV E AVA ILA B L E A N A C C U -
R AT E A N D R E LIA B LE H IG H V O LTA G E M E T E R . T H E C A L IB R AT IO N O F T H E
SUBJECT:FIRE & SHOCK HAZARD M E T E R S H O U LD B E C H E C K E D P E R IO D IC A L LY A G A IN S T A R E F E R E N C E
S TA N D A R D . S U C H A S T H E O N E AVA IL A B LE AT Y O U R D IS T R IB U T O R .
1 . B E S U R E T H AT A L L C O M P O N E N T S A R E P O S IT IO N E D IN S U C H A W AY A S 4 . W H E N T H E H IG H V O LTA G E C IR C U IT R Y IS O P E R AT IN G P R O P E R LY T H E R E
T O AV O ID P O S S IB IL IT Y O F A D JA C E N T C O M P O N E N T S H O R T S . T H IS IS IS N O P O S S IB IL IT Y O F A N X -R A D IAT IO N P R O B L E M . E V E R Y T IM E A C O L O R
E S P E C IA LLY IM P O R TA N T O N T H O S E M O D U LE S W H IC H A R E T R A N S - C H A S S IS IS S E R V IC E D , T H E B R IG H T N E S S S H O U L D B E R U N U P A N D
P O R T E D T O A N D F R O M T H E R E PA IR S H O P. D O W N W H ILE M O N ITO R IN G T H E H IG H V O LTA G E W IT H A M E T E R TO B E
2 . N E V E R R E LE A S E A R E PA IR U N L E S S A L L P R O T E C T IV E D E V IC E S S U C H A S C E R TA IN T H AT T H E H IG H V O LTA G E D O E S N O T E X C E E D T H E S P E C IF IE D
IN S U LATO R S , B A R R IE R S , C O V E R S , S H IE L D S , S T R A IN R E L IE F S , P O W E R VA LU E A N D T H AT IT IS R E G U LAT IN G C O R R E C T LY. W E S U G G E S T T H AT
S U P P LY C O R D S , A N D O T H E R H A R D W A R E H AV E B E E N R E IN S TA L L E D P E R Y O U A N D Y O U R S E R V IC E O R G A N IZ AT IO N R E V IE W T E S T P R O C E D U R E S
O R IG IN A L D E S IG N . B E S U R E , T H AT T H E S A F E T Y P U R P O S E O F T H E
S O T H AT V O LTA G E R E G U LAT IO N IS A LW AY S C H E C K E D A S A S TA N D A R D
P O LA R IZ E D LIN E P L U G H A S N O T B E E N D E F E AT E D .
S E R V IC IN G P R O C E D U R E , A N D T H AT T H E H IG H V O LTA G E R E A D IN G B E
3 . S O L D E R IN G M U S T B E IN S P E C T E D T O D IS C O V E R P O S S IB LE C O L D S O L -
D E R JO IN T S , S O LD E R S P L A S H E S O F S H A R P S O L D E R P O IN T S . B E C E R - R E C O R D E D O N E A C H C U S T O M E R 'S IN V O IC E .
TA IN T O R E M O V E A LL L O O S E F O R E IG N PA R T IC L E S . 5 . W H E N T R O U B LE S H O O T IN G A N D M A K IN G T E S T M E A S U R E M E N T S IN A
4 . C H E C K F O R P H Y S IC A L E V ID E N C E O F D A M A G E O R D E T E R IO R AT IO N T O P R O D U C T W IT H A P R O B LE M O F E X C E S S IV E H IG H V O LTA G E , AV O ID
PA R T S A N D C O M P O N E N T S , F O R F R AY E D L E A D S , D A M A G E D IN S U LAT IO N B E IN G U N N E C E S S A R ILY C L O S E T O T H E P IC T U R E T U B E A N D T H E H IG H
(IN C LU D IN G A .C . C O R D ), A N D R E P L A C E IF N E C E S S A R Y. F O L LO W O R IG I- V O LTA G E S U P P LY. D O N O T O P E R AT E T H E P R O D U C T L O N G E R T H A N IS
N A L L AY O U T, L E A D LE N G T H A N D D R E S S . N E C E S S A R Y T O L O C AT E T H E C A U S E O F E X C E S S IV E V O LTA G E .
5 . N O L E A D O R C O M P O N E N T S H O U LD TO U C H A R E C E IV IN G T U B E O R A 6 . R E F E R TO H V, B + A N D S H U T D O W N A D JU S T M E N T P R O C E D U R E S
R E S IS TO R R AT E D AT 1 W AT T O R M O R E . LE A D T E N S IO N A R O U N D P R O - D E S C R IB E D IN T H E A P P R O P R IAT E S C H E M AT IC A N D D IA G R A M S (W H E R E
T R U D IN G M E TA L S U R FA C E S M U S T B E AV O ID E D . U S E D ).
6 . A L L C R IT IC A L C O M P O N E N T S S U C H A S F U S E S , F LA M E P R O O F R E S IS T O R ,
C A PA C ITO R S , E T C . M U S T B E R E P LA C E D W IT H E X A C T FA C T O R Y T Y P E S . SUBJECT : IMPLOSION
D O N O T U S E R E P L A C E M E N T C O M P O N E N T S O T H E R T H A N T H O S E S P E C I-
F IE D O R M A K E U N R E C O M M E N D E D C IR C U IT M O D IF IC AT IO N S . 1 . A L L D IR E C T V IE W E D P IC T U R E T U B E S A R E E Q U IP P E D W IT H A N IN T E G R A
7 . A FT E R R E -A S S E M B LY O F T H E S T E A LW AY S P E R F O R M A N A .C . L E A K A G E IM P LO S IO N P R O T E C T IO N S Y S T E M . B U T C A R E S H O U L D B E TA K E N T O
T E S T O N A L L E X P O S E D M E TA L LIC PA R T S O F T H E C A B IN E T. (T H E C H A N -
AV O ID D A M A G E D U R IN G IN S TA L LAT IO N . AV O ID S C R AT C H IN G T H E
N E L S E L E C T O R K N O B , A N T E N N A T E R M IN A LS , H A N D LE A N D S C R E W S ) T O
T U B E . O F S C R AT C H E D R E P LA C E IT.
B E S U R E T H E S E T IS S A F E TO O P E R AT E W IT H O U T D A N G E R O F E L E C T R I-
C A L S H O C K . D O N O T U S E A LIN E IS O L AT IO N T R A N S F O R M E R D U R IN G 2 . U S E O N LY R E C O M M E N D E D FA C T O R Y R E P L A C E M E N T T U B E S .
T H IS T E S T U S E A N A .C . V O LT M E T E R , H AV IN G 5 00 0 O H M S P E R V O LT O R
M O R E S E N S IT IV IT Y, IN T H E F O LL O W IN G M A N N E R : C O N N E C T A 1 50 0 O H M SUBJECT : TIPS ON PROPER INSTALLATION
1 0 W AT T R E S IS T O R , PA R A L LE LE D B Y A .1 5 M F D . 1 50 V A .C . T Y P E C A PA C I-
T O R B E T W E E N A K N O W N G O O D E A R T H G R O U N D (W AT E R P O P E , C O N - 1 . N E V E R IN S TA L L A N Y P R O D U C T IN A C L O S E D -IN R E C E S S , C U B B Y H O L E O R
D U IT, E T C .) A N D T H E E X P O S E D M E TA LL IC PA R T S , O N E AT A T IM E . C L O S E LY F IT T IN G S H E L F S PA C E , O V E R O R C L O S E TO H E AT D U C T, O R IN
M E A S U R E T H E A .C . V O LTA G E A C R O S S T H E C O M B IN AT IO N O F 1 50 0 O H M T H E PAT H O F H E AT E D A IR F L O W .
R E S IS TO R A N D .1 5 M F D C A PA C IT O R . R E V E R S E T H E A .C . P LU G A N D 2 . AV O ID C O N D IT IO N S O F H IG H H U M ID IT Y S U C H A S : O U T D O O R PAT IO
R E P E AT A .C . V O LTA G E M E A S U R E M E N T S F O R E A C H E X P O S E D M E TA L LIC IN S TA LL AT IO N S W H E R E D E W IS A FA C TO R , N E A R S T E A M R A D IATO R S
PA R T. V O LTA G E M E A S U R E D M U S T N O T E X C E E D .75 V O LT S R .M .S T H IS W H E R E S T E A M L E A K A G E IS A FA C TO R , E T C .
C O R R E S P O N D S TO 0 .5 M IL LIA M P A .C . N AY VA LU E E X C E E D IN G T H IS L IM IT 3 . AV O ID P L A C E M E N T W H E R E D R A P E R IE S M AY O B S T R U C T R E A R V E N T IN G .
C O N S T IT U T E S A P O T E N T IA L S H O C K H A Z A R D A N D M U S T B E C O R R E C T E D T H E C U S TO M E R S H O U L D A L S O AV O ID T H E U S E O F D E C O R AT IV E
IM M E D IAT E LY. S C A R V E S O R O T H E R C O V E R IN G S W H IC H M IG H T O B S T R U C T V E N T IL A -
T IO N .
A.C. VOLTMETER 4 . W A L L A N D S H E L F M O U N T E D IN S TA LL AT IO N S U S IN G A C O M M E R C IA L
M O U N T IN G K IT, M U S T F O L L O W T H E FA C T O R Y A P P R O V E D M O U N T IN G
IN S T R U C T IO N S . A P R O D U C T M O U N T E D T O A S H E L F O R P LAT F O R M M U S T
R E TA IN IT S O R IG IN A L F E E T (O R T H E E Q U IVA LE N T T H IC K N E S S IN S PA C -
E R S )T O P R O V ID E A D E Q U AT E A IR F LO W A C R O S S T H E B O T T O M , B O LT S
O R S C R E W S U S E D F O R FA S T E N E R S M U S T N O T T O U C H A N Y PA R T S O R
0.15 uF W IR IN G . P E R F O R M L E A K A G E T E S T O N C U S T O M IZ E D IN S TA L LAT IO N S .
GOOD EARTH GROUND PLACE THIS PROBE
5 . C A U T IO N C U S TO M E R S A G A IN S T T H E M O U N T IN G O F A P R O D U C T O N
1500 OHM
SUCH AS THE WATER ON EACH EXPOSED S L O P IN G S H E L F O R A T ILT E D P O S IT IO N , U N LE S S T H E P R O D U C T IS
PIPE, CONDUIT, ETC. METAL PART
10WATT P R O P E R LY S E C U R E D .
6 . A P R O D U C T O N A R O LL -A B O U T C A R T S H O U LD B E S TA B L E O N IT S M O U N T -
SUBJECT : GRAPHIC SYMBOLS IN G T O T H E C A R T. C A U T IO N T H E C U S T O M E R O N T H E H A Z A R D S O F T R Y -
IN G T O R O L L A C A R T W IT H S M A LL C A S T E R S A C R O S S T H R E S H O LD S O R
T H E LIG H T N IN G F LA S H W IT H A R R O W H E A D S Y M B O L , D E E P P IL E C A R P E T S .
W IT H IN A N E Q U ILAT E R A L T R IA N G LE , IS IN T E N D E D 7 . C A U T IO N C U S T O M E R S A G A IN S T T H E U S E O F A C A R T O R S TA N D W H IC H
T O A L E R T T H E S E R V IC E P E R S O N N E L TO T H E P R E S - H A S N O T B E E N LIS T E D B Y U N D E R W R IT E R S LA B O R AT O R IE S . IN C . F O R
E N C E O F U N IN S U LAT E D "D A N G E R O U S V O LTA G E "
U S E W IT H T H E IR S P E C IF IC M O D E L O F T E L E V IS IO N R E C E IV E R O R
T H AT M AY B E O F S U F F IC IE N T M A G N IT U D E TO C O N -
G E N E R IC A L LY A P P R O V E D F O R U S E W IT H T.V.S O F T H E S A M E O R
S T IT U T E A R IS K O F E L E C T R IC S H O C K .
L A R G E R S C R E E N S IZ E .
T H E E X C L A M AT IO N P O IN T W IT H IN A N E Q U IL AT E R A L 8 . C A U T IO N C U S TO M E R S A G A IN S T T H E U S E O F E X T E N S IO N C O R D S ,
T R IA N G L E IS IN T E N D E D T O A LE R T T H E S E R V IC E E X P L A IN T H AT A F O R E S T O F E X T E N S IO N S S P R O U T IN G F R O M A S IN G LE
P E R S O N N E L T O T H E P R E S E N C E O F IM P O R TA N T O U T LE T C A N L E A D TO D IS A S T R O U S C O N S E Q U E N C E S TO H O M E A N D
S A F E T Y IN F O R M AT IO N O N S E R V IC E L IT E R AT U R E . FA M ILY.
PRODUCT SAFETY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS
CAUTION : Do not attem pt to m odify this product in any way. Unau- GRAPHIC SYM BOLS :
thorized m odifications will not only void the warranty, but m ay lead to
your being liable for any resulting property dam age or user injury. The lightning flash with arrowhead symbol,
Service work should be perform ed only after you are thoroughly within an equilateral triangle, is intended to alert
familiar with all of the following safety checks and servicing guide- the service personnel to the presence of uninsu-
lines. To do otherwise, increases the risk of potential hazards and lated "dangerous voltage" that m ay be of suffi-
injury to the user. cienty magnitude to constitute a risk of electric
shock.
SAFETY CHECKS
The exclam ation point within an equilateral tri-
After the original service problem has been corrected, a check should angle is intended to alert the service personnel
be m ade of the following: to the presence of im portant safety inform ation
in service literature.
SUBJECT : FIRE & SHOCK HAZARD
Fuse sym bol is printed on pcb adjacent to the
1. Be sure that all components are positioned in such a way as to fuse, with "RISK OF FIRE REPLACE FUSE AS
avoid possibility of adjacent component shorts. This is especially MARKED". The sym bol is explained in the ser-
im portant on those chassis which are transported to and from the vice manual with the following wording or equiv-
repair shop. alent.
2. Never release a repair unless all protective devices such as insula-
tors, barriers, covers, shields, strain reliefs, and other hardware "CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE
have been reinstalled per original design. H AZARD, REPLACE ONLY W ITH SAM E TYPE (4A, 125V)" and
3. Soldering must be inspected to discover possible cold solder joints, "ATTENTION: AFIN D'ASSU UNE PROTECTION PERM ANENTE
frayed leads, dam aged insulation (including A.C. cord), solder C ONTRE LES RISQUES D'INCENDIE, REMPLACER UNIQUE-
splashes or sharp solder points. Be certain to rem ove all loose for- M ENT PAR UN FUSIBLE DE MEME TYPE ET DE "4A, 125V".
eign particals.
4. Check for physical evidence of damage or deterioration to parts SUBJECT : X-RADIATION
and components, and replace if necessary follow original layout,
lead length and dress. 1. Be sure procedures and instructions to all service personnel cover
5. No leads or com ponents should touch a receiving tube or a resistor the subject of X-rays in current T.V. receivers is the picture tube.
rated at 1 watt or m ore. Lead tension around protruding m etal sur- However, this tube does not em it X-rays when the high voltage is
faces m ust be avoided. at the factory specified level. The proper value is given in the appli-
6. All critical com ponents such as fuses, flameproof resistors, capaci- cable schem atic. Operation at higher voltages m ay cause a failure
tors, etc. must be replaced with exact factory types. Do not use of the picture tube or high voltage supply and, under certain cir-
replacement com ponents other than those specified or m ake cum stances, m ay produce radiation in excess of desirable levels.
unrecomm ended circuit m odifications. 2. Only factory specified C.R .T. anode connectors m ust be used.
7. After re-assem bly of the set always perform an A.C. leakage test Degaussing shields also serve as X-ray shield in color sets.
on all exposed m etallic parts of the cabinet, (the channel selector Always re-install them .
knob, antenna terminals, handle and screws) to be sure the set is 3. It is essential that the servicem an has available an accurate and
safe to operate without danger of electrical shock. Do not use a reliable high voltage m eter. The calibration of the m eter should be
line isolation transform er during this test. Use an A.C . voltmeter, checked perio - dically against a reference standard. Such as the
having 5000 ohm s per volt or more sensitivity, in the following one available at your distributor.
m anner : connect a 1500 ohm 10 watt resistor, paralleled by a 15 4. W hen the high voltage circuitry is operating properly there is no
m fd. 150V A.C. type capacitor between a known good earth possibility of an X-radiation problem . Every time a color chassis is
ground (9water pipe, conduit, etc.) and the exposed metallic parts, serviced, the brightness should be run up and down while m onitor-
one at a tim e. M easure the A.C. voltage across the combination of ing the high voltage with a m eter to be certain that the high voltage
1500 ohm resistor and 0.15 MFD capacitor. Reverse the A.C. plug does not exceed the specified value and that it is regulating cor-
and repeat A.C. voltage measurem ents for each exposed m etallic rectly. W e suggest that you and your service organization review
part. Voltage m easured must not exceed 0.75 volts R.M .S. This test procedures so that voltage regulation is always checked as a
corresponds to 0.5 milliam p A.C. Any value exceeding this limit standard servicing procedure. And that the high voltage reading be
constitutes a potential shock hazard and m ust be corrected imm e- recorded on each custom er's invoice.
diately. 5. W hen troubleshooting and m aking test m easurem ents in a receiver
w ith a problem of excessive high voltage, avoid being unnecessarily
close to the picture tub eand the high voltage com partment.
A.C. VO LT ME TER
Do not operate the chassis longer than is necessary to locate the
cause of excessive voltage.
6. Refer to HV, B+and Shutdown adjustment procedures described in
the appropriate schem atic and diagram s(where used).
0.15 uF
G oo d e arth gro un d ,
su ch a s the w ater
1500 OHM P la ce th is p rob e
p ipe , co nd u it, e tc .
o n e a ch ex po se d
1 0 W A TT m e ta l p a rt.
SUBJECT : IMPLOSION 4. Wall and shelf m ounted installations using a comm ercial mounting
kit, must follow the factory approved m ounting instructions. A
1. All direct viewed picture tubes are equipped with an integral implo- receiver mounted to a shelf or platform must retain its original
sion protection system , but care should be taken to avoid damage feet(or the equivalent thickness in spacers) to provide adequate
during installation. Avoid scratching the tube. If scratched, replace are flow across the bottom, bolts or screws used for fasteners
it. m ust not touch and parts or wiring. Perform leakage test on cus-
2. U se only recomm ended factory replacement tubes. tom ized installations.
5. Caution customers against the m ounting of a receiver on sloping
SUBJECT : TIPS ON PROPER INSTALLATION shelf or a tilted position, unless the receiver is properly secured.
6. A receiver on a roll-about cart should be stable on its mounting to
1. Never install any receiver in closed-in recess, cubbyhole or closely the cart. Caution the customer on the hazards of trying to roll a cart
fitting shelf space over, or close to heat duct, or in the path of with sm all casters across thresholds or deep pile carpets.
heated air flow. 7. Caution custom ers against the use of a cart or stand which has not
2. Avoid conditions of high hum idity such as : Outdoor patio installa- been listed by underwriters laboratories, inc. For use with their
tions where dew is a factor. Near steam radiators where steam specific model of television receiver or generically approved for
leakage is a factor, etc. use with T.V.'s of the sam e or larger screen size.
3. Avoid placem ent where draperies may obstruct rear venting. The
custom er should also avoid the use of decorative scarves or other
coverings which might obstruct ventilation.
Specifications
MO DEL DTH-14V1FS DTH -20V1FS DTH-21V1FS REMARKS
ITEMS DTH-14V3FS DTH -20V3FS DTH-21V3FS
DTH-14V4FS DTH -20V4FS DTH-21V4FS
T V S TA N D AR D N TS C -M , PA L N /M
P O W E R IN P U T A C 160-260V, 50/60 H z
P O W E R C O N SU M PT IO N 14"=63W, 20"=70W , 21"=73W
T UN IN G S Y S T EM F requency S ynthesizer ( F S ) Tuning S ystem
T UN IN G R A N G E S VH F : 2~13(12)
UH F : 2~13(56)
C AT V : 1~125(125)
S O U N D O U T P UT 4W
S PE A K E R 3 W 8 ohm
A NT E N NA IN P UT IM PE D A NC E 75 ohm U nbalanced
A UX ILIA RY Front : Video, A udio, E ar phone
INP U T T ER M INA L R ear : Video, A udio
INT E R M ED IAT E P icture IF Carrier F requency : 45.75 M H z
F RE Q U EN C IE S S ound IF Carrier F requency : 41.25 M Hz
C olor S ub-C arrier F requency : 42.17 M H z
R EM O T E C O N TR O L R-38T 01
S PE C IA L F U N CT IO N S 3-Language O S D
W ith CA PT IO N
W ake-up/O ff Tim e
S leep Tim er
P ower R estore
User's Instruction
Overview of Your Equipment
Your TV com es w ith a rem ote control. The section below sum m arizes the buttons, controls, and term inals that you will
use with your TV.
Your TV's Front Panel
VIDEO AUDIO EARPHONZ
5 6 7 8 9
1 POW ER
Use this button to turn your TV on or off.
2 CH
Use these buttons to change channels on your TV, or to select item s in the m enu system .
3 VO L
Use these buttons to change your TV 's volum e, to activate selections in the m enu system , or to change audio and
video settings.
4 MENU
Use this button to turn the TV's m enu system on and off.
5 STAND-BY(red) indicatior
This indicator lights up when the AC power cord is connected to a power source.
6 Rem ote Control Receiver
This receiver receives a signal from your rem ote control. Do not block it.
7 VIDEO IN jack
Use this jack to receive a video signal from another A/V com ponent.
8 AUDIO IN jack
Use this jack to receive an aideo signal from another A/V com ponent.
9 EARPHO NE jack
Use this jack to receive an audio signal from your TV.
Your TV's Back Panel
1 Antenna term inal(ANT)
Use this term inal to attach an antenna or cable system to
ANT VIDEO AUDIO your TV.
2 VID EO IN
This term inal allow s the TV to receive a video sighal from
another com ponent, such as a VCR.
3 AOUD IO IN
This term inal allow s the TV to receive an audio sighal from
1 2 3 another com ponent, such as a VCR.
User's Instruction
Your Remote Control
1. PO W ER
U se this button to turn your TV on or off.
2. M UTE
U se to turn the TV's sound on and off.
3. CH
U se these buttons to change channels on your TV,
or select item s in the m eun system .
4. V OL
U see these buttons to change your TV's volum e,
to activate selections in the m enu system , or to
change audio and video settings.
.
5. M ENU
U se this button to turn the TV's m enu system on
and off.
6. DISPLAY
U se this button to select the TV 's signal source.
7. INPUT
U se this button to select the tv's signal source.
8. VIDEO
U se this button to display video adjustm ent item s.
9. 0-9
U se these buttons to change channels.
10. SLEEP
U se this button to program the TV to turn off after
a certain tim e.
11. P REVIO US
U se this button to return to the previous channel
you were watching.
User's Instruction
Operating Your TV
Once you have connected your TV to an antenna or cable system , plugged the TV in, and put batteries in the rem ote, you
are ready to use the TV. The first thing you should do is program your TV so it m em orizes all of available channels.
Turning Your TV On
1 To turn your TV, press the PO W ER button on the front panel then,
press the CH , VOL
or MENU botton.
You can also use the PO W ER button on the rem ote control.
M ake sure your TV is plugged in before you try to turn it on.
Programming Your TV's Channel Memory
Your TV's m em ory determ ines the channels that are available using the CH buttons. If a channel is not in m em ory,
you can tune to it with the num ber buttons, but not w ith the CH buttons. Follow these steps to program your TV's
m em ory:
Set-Up m enu will appear.
1 W ith the TV on, press the M E NU button twice, then
2 Use the CH buttons to select Reception , then use the VOL button to select Air or Cable . If you
connected an antenna to your TV, select `Air'; If you connected a cable system , select `Cable'.
3 Use the CH buttons to select Memorize Channels , then use the VOL button to enter the Memorize
Channels process. Again press the VOL button to begin.
4 Press the M ENU button to return to Set-U p m enu.
5 Press the M ENU button three tim es to return to norm al TV viewing.
Your TV's channel m em ory will not be affected by a power outage. You will not need to re-program the m em ory unless you
change the type of cable or antenna connected to your TV.
1 2 3-1
Set-Up Set-Up Set-Up
Language : English Language : English Language : English
Reception : Air Reception : Air Reception : Air
Memorize Channels Memorize Channels Memorize Channels
Add/Delete Channels Add/Delete Channels Add/Delete Channels
Input : TV Input : TV Input : TV
Select Adjust Next Select Adjust Next Select Adjust Next
3-2 4 5
Memorize Channels Set-Up
Air 11 Language : English
Memorizing all air channels. Reception : Air
Please stand by. Memorize Channels
Add/Delete Channels
Input : TV
Press MENU to cancel and
returu to Set-up menu. Select Adjust Next
User's Instruction
Changing Channels
You can change channels in three ways:
1 The CH buttons will take you through all m em orized channels,
one by one. The CH buttons w ill not access channels that
1
have not been program m ed into the TV 's m em ory. For m ore inform ation
2
about programming channels into m emory, see the section Programm ing
3
your TV's Channel Memory on the previous page.
2 The num ber buttons (0-9) w ill take you to any channel, even if it has
not been m em orized. To change to a channel, enter its num ber; the
TV w ill tune to the new channel when you enter the second digit of
the channel.
3 The P REVIO US button will take you instantly to the last channel you
were watching.
Changing the Volume
1
1 To change the volum e of the TV set, use the
VOL
buttons on
the rem ote or on the front panel.
2
2 To quickly turn off the sound, press the M U TE button on the rem ote.
The M UTE' will appear on screen, colored green. To return the
volum e to its previous level, press M U TE again.
Changing the TV's Channel Memory
Your TV's m em ory determ ines the channels that are available using the CH buttons. You can add channels to this
m em ory or rem ove them from m em ory. If a channel is rem oved from m em ory, you can tune to it w ith the num ber buttons,
but you cannot tune to it with the CH buttons.
If there are just one channel memorized, then the Add/Delete Channels function will search the whole channels. But if there
are two or more channel mem orized, then the Add/Delete Channels function will search the mem orized channels only.
Adding/Deleting a channel to m emory
1 Use the num ber buttons to tune to the channel.
2 Press the M ENU button twice, then Set-Up m enu will display.
3 Use the CH buttons to select A dd/Delete Channels , then use the VOL button to enter the Add/
Delete Channels process.
4 If the channel is not in m em ory, then use the VOL button to add the channel from m em ory.
5 If the channel is in m em ory, then use the VOL button to delete the channel from m em ory.
6 If you are going to delete other channel, then press the CH buttons until desired channel is selected. And
press the VOL button to delete the channel.
7 Wait 10 seconds, or press the M EN U button four tim es to exit.
User's Instruction
2 3
11 Set-Up Set-Up
Language : English Language : English
Reception : Air Reception : Air
Memorize Channels Memorize Channels
Add/Delete Channels Add/Delete Channels
Input : TV Input : TV
Select Adjust Next Select Adjust Next
4 5 6
Add/Delete Channels Add/Delete Channels Add/Delete Channels
1
Air 11 Air 11 Air 11
This channel is not in memory. This channel is in memory. This channel is in memory.
Press VOL to add. Press VOL to delete. Press VOL to delete.
Press CH for other channels. Press CH for other channels. Press CH for other channels.
Press MENU to return Press MENU to return Press MENU to return
to Set-up menu. to Set-up menu. to Set-up menu.
Displaying the Current Channel
1 To quickly see the current channel num ber and status, press
DISPLAY button on the rem ote control.The current channel num ber
and status w ill be displayed.
Cahging the TV's Input
Norm ally, your TV displays the signal com ing through the antenna term inal.
However, If you've connected another com ponent to yoru TV(such as a VC R) usingthe Video/Audio input, you will want to
be able to view the signal from the com ponent.
To do this, you will need to switch from the `TV' input to the `Line' Input, as follows.
1 W ith the TV on, press the M ENU button twice, then "set-up" m enu will appear.
2 U se the CH buttons to select "Input".
3 P ress the VOL buttons to change from `TV' to `Line'.
4 W ait 10 seconds, or press the M ENU button to return to norm al TV viewing.
1 2 3
Set-Up Set-Up Set-Up
Language : English Language : English Language : English
Reception : Air Reception : Air Input : Line
Memorize Channels Memorize Channels
Add/Delete Channels Add/Delete Channels
Input : TV Input : TV
Select Adjust Next Select Adjust Next Select Adjust Next
User's Instruction
W hen it connected an Video/Audio cable from the Video/A udio out jack on the V CR to the Video/Audio in jack on the front
your TV, and your `TV's back panel at the sam e tim e, the latter takes precedence of the form er.
Adjusting Video Settings
You m ay wish to adjust the video settings (e. g. contrast or color) to obtain the m ost pleasing picture. To do so, follow
these directions:
1 W ith the TV on, press the M E NU button. then Video m enu will appear.
2 The Settings item will be selected. Use the VO L buttons to turn Settings to Preset or Custom .
3 Use the CH buttons to select the video setting you wish to adjust.Descriptions of the video settings are on the next page.
4 Use the VO L buttons to adjust the video setting to the level you prefer.
5 Use the CH buttons to select another video setting to adjust.
6 W hen you are finished, press the M ENU button until m enu O SD will be disappeared.
1 2 3
Video Video Video
Settings : Custom Settings : Preset Settings : Preset
Contrast : Contrast : Contrast :
Brightness Brightness Brightness
Sharpness Sharpness Sharpness
Color Color Color
Tint Tint Tint
Select Adjust Next Select Adjust Next Select Adjust Next
4 5 6
Contrast Brightness
Returning to the factory settings
If you would like to return to the original video settings, as they w ere calibrated at the factory, follow these steps :
1 W ith the TV on, press the M E NU button. then "Video " m enu will appear.
2 Press the VOL buttons to set the "Settings to 'P reset'.
The TV will rem em ber the Custom ' settings you had previously chosen. W hen you set Settings to `C ustom ' again,
your previous custom settings w ill be restored.
1 2
Video Video
Settings : Custom Settings : Preset
Contrast : Contrast :
Brightness Brightness
Sharpness Sharpness
Color Color
Tint Tint
Select Adjust Next Select Adjust Next
User's Instruction
Descriptions of video settings
The contrast setting controls the relation betw een the light and black areas of the screen. If the light areas are too
bright and are losing details, press the VOL button; if the picture is gray and lacks contrast, press the VOL button.
The brightness settings controls the overall am ount of light in the picture. If the picture is too bright, press the VOL
button; if the picture is too dark, press the V OL button.
Sharpness controls how the TV displays edges of objects on-screen. If the TV show s m ultiple vertical lines at the
edges of an object, press the VOL button; if the vertical edges of on-screen objects are fuzzy, press the VOL button.
The color setting controls the intensity of color. If the color is over-saturated, press the VOL button; if the color is
washed out, press the VO L button.
The tint setting controls the relationship of red and green in a picture. Tint is especially noticeable in flesh tones. If
flesh tones seem too red or purple, press the VOL button; if flesh tones are too green, press the VOL button.
Using Timer Functions
Your TV has a built in-clock, and you can set the TV to turn on and off at tim es that you select. You can also set your TV
to turn off after counting down a certain am ount of tim e.
Setting the Clock
1 W ith the TV turned on, press the M ENU button until Tim e" m enu will be displayed.
2 The Set Clock" item will be selected. P ress the VOL buttons to set the clock. If you hold down either
VOL or button, the corresponding num bers will change m ore quickly.
V OL
3 W hen the clock is set correctly, use the CH buttons to select another Time" function, or press the M ENU button
until m enu OSD will be disappeared.
1 2 3
Time Time Time
Set Clock : : Set Clock : 12 : 00 AM Set Clock : 12 : 00 AM
Wake-up time : : Wake-up time : : Wake-up time : :
Off time : : Off time : : Off time : :
Sleep timer : 0 min Sleep timer : 0 min Sleep timer : 0 min
Select Adjust Next Select Adjust Next Select Adjust Next
Settings the Wake-up timer
If you enter a time in the Wake-up tim e" setting, your TV will automatically turn on at that time. Follow these instructions to
set the "Wake-up tim e".
User's Instruction
After Wake-up Timer turned on the TV set, if user do not input the user control (e.g. remote CH or VOL key) within 15 minutes, the
TV set will turn off automatically. If user input the user control within 15 minutes, the TV set will turn on continuously.
It is safety feature for prevent from any kind of problem without hum an control.
1 W ith the TV turned on, press the M ENU button until Tim e" m enu will be displayed.
2 Use the CH buttons to select Wake-up tim e" item .
3 If you hold down either VO L or VOL button, the corresponding num bers will change m ore quickly.
4 W hen the setting is correct, use the CH buttons to select another Tim e" function, or press the M EN U button
until m enu OSD will be disappeared.
1 2 3
Time Time Time
Set Clock : 1 2 : 00 AM Set Clock : 12 : 00 AM Set Clock : 1 2 : 00 AM
Wake-up time : Wake-up time : : Wake-up time :
Off time : : Off time : : Off time : :
Sleep timer : 0 min Sleep timer : 0 min Sleep timer : 0 min
Select Adjust Next Select Adjust Next Select Adjust Next
Setting the Off Timer
If you enter a tim e in the "Off tim e" setting, your TV will autom atically turn off at that tim e. Follow these instructions
to set the "Off tim e".
1 W ith the TV turned on, press the M ENU button until "Tim e" m enu will be displayed.
2 Use the CH buttons to select "Off tim e" item .
3 If you hold down either VO L or VOL button, the corresponding num bers will change m ore quickly.
4 W hen the setting is correct, use the CH buttons to select another "Tim e" function, or press the M ENU button
until m enu OSD will be disappeared.
1 2 3
Time Time Time
Set Clock : 1 2 : 00 AM Set Clock : 1 2 : 00 AM Set Clock : 1 2 : 00 AM
Wake-up time : Wake-up time : Wake-up time :
Off time : : Off time : : Off time : 1 1 : 30 PM
Sleep timer : 0 min Sleep timer : 0 min Sleep timer : 0 min
Select Adjust Next Select Adjust Next Select Adjust Next
Canceling the Wake-up Timer or Off Timer
If you would like to cancel the Wake-up Tim er or the O ff Tim er, Press the
VO L buttons until the tim er settings
return to "- -:- -".
The W ake-up Tim er and Off Tim er will not function correctly unless the clock has been set.
User's Instruction
Setting the Sleep Timer
The sleep tim er allow s you to set an am ount of tim e from 15 m inutes to 120 m inutes.TV will count down the am ount
of tim e you set, then turn itself off.To set the sleep tim er:
1 W ith the TV turned on, press the M ENU button until "Tim e" m enu will be displayed.
2 Use the CH buttons to select "Sleep tim er" item .
3 Use the VO L buttons to set the sleep tim e. Each tim e you press V OL, you step between the available sleep
tim es : 15m in, 30m in, 45m in, 60m in, 90m in, or 120m in.
4 W hen the setting is correct, use the
CH buttons to select another "Tim e" function, or press the M ENU button
until m enu OSD will be disappeared.
5 You can also set the "Sleep Tim er" during norm al TV viewing, sim ply by pressing the SLEEP button on the rem ote
control. This button steps through the available sleep tim es(see step 3), one by one.
To cancel the Sleep tim er, turn the TV off, or set the sleep tim e to "0" using one of the m ethods described above.
1 2 3
Time Time Time
Set Clock : 1 2 : 00 AM Set Clock : 1 2 : 00 AM Set Clock : 1 2 : 00 AM
Wake-up time : 06 : 30 AM Wake-up time : 06 : 30 AM Wake-up time : 06 : 30 AM
Off time : 1 1 : 30 PM Off time : 1 1 : 30 PM Off time : 1 1 : 30 PM
Sleep timer : 0 min Sleep timer : 0 min Sleep timer : 60 min
Select Adjust Next Select Adjust Next Select Adjust Next
Additional Features
This section contains descriptions of the m ore advanced features of your TV.
Changing the Language of the On-screen Menus
You can choose to display the on-screen m enus in English, Spanish, French.To change the on-screen language:
1 W ith the TV on, press the M E NU button twice, then Set-U p" m enu will appear.
2 The "Language" item will be selected. Press the
VO L buttons to select the language you want to use: English,
Spanish, French.
3 To return norm al TV viewing, press the M ENU button until m enu O SD will be disappeared.
1 2-1 2-2
Set-Up Config Preparar
Language : English Idioma : Espa ol Lingua : Portugues