Table of Contents
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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
DTH-14V1FC
DTH-14V3FC
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
Screen Size
14"
VHF 2-13
Channel Coverage
UHF 14-69
113 Cable Ch.
Power Source
AC 100-260, 50/60Hz AC 100-260, 50/60Hz
Power Consumption
63W
Set Dimensions
336 x 338 x 376(mm)
(W H D)
Net Weight
8.7Kg
Stuffing Q'th(48ft)
1100Set
DAEWOO ELECTRONICS CO., LTD
http : //svc.dwe.co.kr
S/M No. : CM003P-010
DTH-20V4FC
DTH-20V1/V3/V4FS
DTH-21V1/V3/V4FS
20"
21"
VHF 2-13
VHF 2-13
UHF 14-69
UHF 14-69
113 Cable Ch.
113 Cable Ch.
AC 100-260, 50/60Hz
70W
73W
496x446(2)(2)x464(4)(3)(mm)
516x469(6)(4)x482(6)(2)(mm)
16.3Kg
19Kg
540Set
Sep. 1999
POWER
MUTE
CH
VOL
VOL
CH
DISPLAY
INPUT
VIDEO
1
2
3
4
5
6
7
8
9
0
SLEEP
PREVIOUS
R-38T01
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Table of Contents
Related Manuals for Daewoo DTH-14V1FS
Summary of Contents for Daewoo DTH-14V1FS
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Page 1: Service Manual
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 DISPLAY INPUT VIDEO SLEEP PREVIOUS DTH-14V1FC DTH-20V4FC DTH-14V3FC R-38T01 Features 181CH quartz frequency synthesis tuning system... -
Page 2: Table Of Contents
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.......................... -
Page 3: Safety Precautions
PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCTS CAUTION SUBJECT : X-RADIATION : 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. 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. -
Page 4: Product Safety Dervicing Guidelines For Color Television Receivers
PRODUCT SAFETY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS GRAPHIC SYM BOLS : CAUTION : Do not attem pt to m odify this product in any way. Unau- 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. - Page 5 SUBJECT : IMPLOSION 4. Wall and shelf m ounted installations using a comm ercial mounting kit, must follow the factory approved m ounting instructions. A receiver mounted to a shelf or platform must retain its original 1. All direct viewed picture tubes are equipped with an integral implo- feet(or the equivalent thickness in spacers) to provide adequate sion protection system , but care should be taken to avoid damage during installation.
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Page 6: Specifications
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... -
Page 7: User's Instruction
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 1 POW ER Use this button to turn your TV on or off. - Page 8 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. U se these buttons to change channels on your TV, or select item s in the m eun system .
- Page 9 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...
- Page 10 User’s Instruction Changing Channels You can change channels in three ways: 1 The buttons will take you through all m em orized channels, one by one. The buttons w ill not access channels that have not been program m ed into the TV 's m em ory. For m ore inform ation about programming channels into m emory, see the section Programm ing your TV's Channel Memory...
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Page 11: Displaying The Current Channel
User’s Instruction Set-Up Set-Up Language : English Language : English Reception : Reception : Memorize Channels Memorize Channels Add/Delete Channels Add/Delete Channels Input : Input : Select Adjust Next Select Adjust Next Add/Delete Channels Add/Delete Channels Add/Delete Channels Air 11 Air 11 Air 11 This channel is not in memory. - Page 12 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.
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Page 13: Using Timer Functions
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. - Page 14 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.
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Page 15: Additional Features
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”... - Page 16 User’s Instruction Captioning M any TV shows contains closed captions”. These captions are hidden words that can be displayed on your TV screen. There are two types of these words : “captions” usually follow the action on-screen, providing a written version of the dialogue, narration, and sound effects ;...
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Page 17: Power Restore
User’s Instruction Power Restore User can select the O n/Off status when the power cord put into the wall outlet. If user have a cable box w ith AC outlet, then user can connect the TV power cord to the AC outlet and control the TV without TV rem ote control. This function is rarely used for hom e use, so special care is needed while using. - Page 18 User’s Instruction Troubleshooting Your Daewoo television is designed to give you trouble-free perform ance for m any years. If you have a problem with your TV, try the solutions listed below. If the suggestions listed below do not solve your problem, contact your Daewoo dealer or an authorized Daewoo service center.
- Page 19 WARRANTY Daewoo Electronics Corporation of Am erica warrants each new electronic product m anufactured by it to be free from defective m aterial and workm anship and agrees to rem edy any such defect or to furnish a new part (at the Com pany’s...
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Page 20: Block Diagram
Block Diagram... -
Page 21: Alignment Instructions
Alignment Instructions 1. SERVICE MODE ADJUSTMENTS Follow the steps below whenever service adjustment is required. See Table- A and Table- B to determine if service adjustm ents are required. 1) How to enter the service mode using the user remote control. •... -
Page 22: Assembly Adjustments
Alignment Instructions Table-B DATA MODE ADJUSTMENT ITEMS REMARKS INITIAL RANGE Screen Adjustm ent Auto R F AG C Video Lev el (V ID E O L) 0 ~ 7 M ust be s et to 7 R F AG C D elay (R FAG C D ) 0 ~ 63 Align R F A G C threshold F M Level (F M .LE V) - Page 23 Alignment Instructions 2) FOCU S AD JU STMENT • Turn in a local station and adjust the Focus Control knob (located on FBT) for best picture details at high light condition. 3) RF AGC DELAY ADJUSTM ENT (S5) • Receive a good local channel. •...
- Page 24 Alignment Instructions 4-3. Vertical Size Adjustm ent • Select “V.SIZE” item , adjust “V.SIZE” data value to proper vertical size as follows. 5) WH ITE BALANC E AD JU STMENT(S8) • Receive a good local channel. • Enter the service m ode and select service adjustm ent S8. •...
- Page 25 Alignment Instructions • Select Subbrightness item , adjust Subbrightness data value to o b ta in n o rm a l brightness level. • Press the DISP LAY button to m em orize the data. CONTRA ST • F ix e d v a lu e = 2 7 TINT •...
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Page 26: Ic Description
IC Description U-COM(I701) TV ONLY (H) POWER ON(H) CABLE (H) AUDIO MUTE(H) P13/PWM1 AKB WHITE BLUE BACK P14/PWM2 H.OUT P15/PWM3 ON(L)/OFF(H) AUTO TINT RF(H)/AV(L) P17/PWM ST-BY(H) P73/INT3/TOIN REMOCON IN P72/INT2/TOIN P71/INT1 P70/INT0 KEY IN P84/AN4 P63/SCLK1 T-CLOCK AFT IN P85/AN5 P62/SDA1 T-DATA AGC IN... - Page 27 IC Description 1. Abstract. This specification is 1-Tuner M ono M odel for N orth/S outh A m erica, C C D 1-C hip M IC O M LC863228A. It is developing software specification for tuning only N TSC and 3 system TV F/S. * 3 System : NTSC-M , PAL-M , PAL-N .
- Page 28 IC Description 3) O n Screen Displays function is interior designed. 4) Package. : 42 PIN SDIP. 5) Tuner (Pre-scaler.) C Bus. /P LL IC : TAU 6014-S(SIEM ENS). 6) R em ocon. : The IC of Transm ission (M ITS U B IS H I M 50560) C Bus) ◊...
- Page 29 IC Description - A uto Pow er O n Function.(Power Restore function in the Special M enu) - Heat Run Function. --- OSD W hite Back-Ground - Sleep Tim er. - Wake Up Tim e Function. - O ff Tim e Function. - Rem ote R eception &...
- Page 30 IC Description 6. Pin Description...
- Page 31 IC Description...
- Page 32 IC Description...
- Page 33 IC Description I101 LA76805 : IC VIDEO PROC ESSOR A UD IO O U T S IF INP UT F M O U TPU T S IF AP C FILTE R PIF A GC S IF O UTP UT RF AG C O U T EXT.
- Page 34 IC Description I801 POW ER CONTRO L M ODULE DPM 001 TI P IN N O DESC RIPTIO N PIN NO DESCRIPTION G AT E D R IVE 1 +12V IN P U T O CP P O W E R C O N T R O L S O UR C E G ND 1 G N D2...
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Page 35: Troubleshooting Guide
Troubleshooting Guide 1. NO POWER FROM FBT 10V Check R416 Check F801(125V 4A) D801 D801(PBS208GU) RLY01 F801 R801 PCW1 L801 Check R801(7W 2.2) TO I101 #34 T801 C819 Check D807 Voltage 133V C804 R814 Check 133V C814 waveform C820 R809 L802 TUNER D808... -
Page 36: No Picture
Troubleshooting Guide 2. NO PICTURE NG : G O to the figure Check the w aveform of I101 #46 O K : G o the figure Check the voltages U 102 S F101 IF O UT T UN E R S AW F ILTE R T-DATA T-CLOCK Check... -
Page 37: No Sound
Troubleshooting Guide 3. NO SOUND NG : G o to the figure C heck audio output signal of I101 #1 O K : G o to the figure U102 SF101 IF OUT TUNER SAW FILTER T-DATA T-CLOCK Check #29 #30 IF AGC voltage Check I701... -
Page 38: Ch Don't Stop
Troubleshooting Guide 4. CH DON’T STOP N G : Loss of signal or w eak signal C heck the input signal conditions O K : G o to the figure Check 5V/33V LINE U 102 S F101 IF O UT TU N ER S AW FILTE R T-DATA T-CLOCK... -
Page 39: No Color
Troubleshooting Guide 5. NO COLOR C heck C heck C .V .S w a ve form th e voltag e co m p osite vid eo in #4 3 V ide o/C h ro m a /D e fle ction V cc C heck the crystal C heck... -
Page 40: No On-Screen Display
Troubleshooting Guide 7. NO ON-SCREEN DISPLAY Check the signal (60Hz) SC L V.SYN C IN C heck I701 clock/data signal H .SYN C IN M ICOM I101 OSD R Check OSD G the signal (15,734Hz) OSD B BLANK #11 #12 X701 32.768KH z C heck... -
Page 41: Service Parts List/Recommendable Spare Parts List
Service Parts List (DTH-14V1FS) CAUTION “ “ P arts recom m ended for stock. “ “ S afety critical com ponent, R eplace only w ith genuine D aew oo safety part. PART CODE PART NAME DESCRIPTION PART CODE PART NAME... - Page 42 Service Parts List PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION C311 CEXD1H229Q C ELECTRO 50V RT 2.2MF (6.3X11) TP C526 CCZB1H681K C CERA 50V B 680PF K (AXIAL) C401 CCXB2H102K C CERA 500V B 1000PF K (TAPPING) C527 CCZB1H102K C CERA 50V B 1000PF K (AXIAL)
- Page 43 Service Parts List PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION C713 CCZB1H221K C CERA 50V B 220PF K (AXIAL) D408 D1N4937G-- DIODE 1N4937G C714 CMXB1H333J C MYLAR 50V EU 0.033MF J (TP) D409 D1N4148--- DIODE 1N4148 (TAPPING) C723 CCZB1H101K C CERA 50V B 100PF K (AXIAL)
- Page 44 Service Parts List PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION I901 1TDA6103Q- IC VIDEO TDA6103Q Q703 TKSC945CY- KSC 945C-Y (TAPPING) I901A 4857025400 HEAT SINK A1050P-H24 T2.0 Q704 TKSA733CY- KSA733CY (TP) I901B 7174300811 SCREW TAPPTITE TT2 RND 3X8 MFZN Q801 PTR2SW4500 HEAT SINK ASS‘Y T2SK2671-- + 7174300811...
- Page 45 Service Parts List PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION R420 RN02B620JS R METAL FILM 2W 62 OHM J SMALL R604 RD-AZ752J- R CARBON FILM 1/6 7.5K OHM J R421 RD-AZ302J- R CARBON FILM 1/6 3K OHM J R605 RD-4Z392J- R CARBON FILM 1/4 3.9K OHM J...
- Page 46 Service Parts List PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION R734 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R904 RD-AZ222J- R CARBON FILM 1/6 2.2K OHM J R735 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R905 RD-AZ222J- R CARBON FILM 1/6 2.2K OHM J...
- Page 47 Service Parts List OPTION LIST 1. CM-003 14”/20”/21” DIFFERENT PARTS LIST 14 INCHES 20 INCHES 21 INCHES PART NAME PART CODE DESCRIPTION PART CODE DESCRIPTION PART CODE DESCRIPTION C404 C MYLAR CMYH3C722H 1.6 KV BUP 7200PF H CMYH3C662H 1.6 KV BUP 6600PF H CMYH3C622H 1.6 KV BUP P6200PF H R412 R METAL FILM RN01B369JS 1W 3.6 OHM J SMALL RN01B479JS 1W 4.7 OHM J SMALL RN01B479JS 1W 5.1 O HM J SMALL...