S/M No. TCM003NEF0 Color Television Chassis : CM-003N Model : DTH-14/20 V1FSN DTH-14/20 V3FSN DTH-14/20 V4FSN MANUAL DE SERVICIO AUG.
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 ...................................................................................
PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. NEVER PEPFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFACTURER’S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANT RESULTING PROPERTY DAMAGE OR USER INJURY. SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARE THOROUGHLY FAMILIAR WITH ALL OF THE FOLLOWING SAFETY CHECKS AND SERVICING GUIDELINES.
PRODUCT SAFETY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS GRAPHIC SYMBOLS : CAUTION : Do not attempt to modify this product in any way. Unauthorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. Servie work should be performed only after you are thoroughly familiar with all of the following safety checks and servicing guidelines. To do otherwise, increases the risk of potential hazards and injury to the user.
SUBJECT : IMPLOSION 4. Wall and shelf mounted installations using a commercial mounting kit, must follow the factory approved mounting instructions. A receiver mounted to a shelf or platform must retain its original feet ( or the equivalent thickness in spacers ) to provide adequate are flow across the bottom , bolts or screws used for fasteners must not touch and parts or wiring. Perform leakage test on customized installations. 5.
Specifications MODEL ITEMS TV STANDARD POWER INPUT POWER CONSUMPTION TUNING SYSTEM TUNING RANGES SOUND OUTPUT SPEAKER ANTENNA INPUT IMPEDANCE AUXILIARY INPUT TERMINAL INTERMEDIATE FREQUENCIES REMOTE CONTROL SPCEIAL FUNCTIONS DTH-14V1FSN DTH-20V1FSN DTH-14V3FSN DTH-20V3FSN DTH-14V4FSN DTH-20V4FSN NTSC-M, PAL N/M AC160-260V, 50/60 Hz 14”=55W , 20”=70W Frequency Synthesizer (FS) Tuning System VHS : 2~13 (12) UHF : 2~13 (56) CATV : 1~125 (125) 3W 3 W 8 ohm 75 ohm Unbalanced Front : Video, Audio, Ear phone Rea
User’s Instruction Overview of Your Equipment Your TV comes with a remote control. The section below summarizes the buttons, controls, and terminals that your will use with your TV. Your TV’s Front Panel 1 POWER Use this button to turn your TV or off. 2 CH Use these buttons to change channels on your TV, or to select items in the menu system. 3 VOL Use these buttons to change your TV’s volume, to activate selections in the meun system, or to change audio and video settings.
User’s Instruction Your Remote Control 1. POWER Use this buttion to turn your TV on or off. 2 2. MUTE Use to turn the TV’s sound on and off. 1 3 4 3. CH Use these buttons to channels on your TV, or select items in the menu system. 4. VOL Use these buttons to change your TV’s volume, to activate selections in the menu system, or to change audio and video settings. 4 5 3 5. MENU Use this button to turn the TV’s menu system on and off. 9 6.
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 remote, you are ready to use the TV. The first thing you should do is program your TV so it memorizes all of available channels. Turning Your TV On 1 To turn your TV, press the POWER button on the front panel then. press the CH , VOL or MENU botton. You can also use the POWER button on the remote control.
User’s Instruction Changing Channels You can change channels in three ways : 1 The CH buttons will take you through all memorized channels, one by one. The CH buttons will not access channels that have not been programmed into the TV’s memory. For more information about programming channels into memory, see the section “Programmining your TV’s Channel Memory” on the previous page. 2 The number buttons (0-9) will take you to any channel, even if it has not been memorized.
User’s Instruction 4 5 Add/Delete Channels 6 Add/Delete Channels Air 11 This channel is in memory. Press VOL to delete. Press CH for other channels. Add/Delete Channels Air 11 This channel is in memory. Press VOL to delete. Press CH for other channels. Press MENU to return to Set-Up menu. Air 11 This channel is in memory. Press VOL to delete. Press CH for other channels. Press MENU to return to Set-Up menu. Press MENU to return to Set-Up menu.
User’s Instruction When it connected an Video/Audio cable from the Video/Audio out jack on the VCR to the Video/Audio in jack on the front your TV, and your ‘TV’s back panel at the same time, the latter takes precedence of the former. Adjusting Video Settings You may wish to adjust the video settings (e. g. contrast or color) to obtain the most pleasing picture. To do so, follow these directions: 1 With the TV on, press the MENU button. then “Video” menu will appear.
User’s Instruction Descriptions of video settings The contrast setting controls the relation between 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 amount of light in the picture. If the picture is tooo bright, press the button ; if the picture is too dark, press the VOL button.
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 human control. 1 2 3 4 With the TV turned on, press the MENU button unil “Time” menu will be displayed. Use the CH buttons to select “Wake-up time” item.
User’s Instruction Setting the Sleep Timer The sleep timer allows you to set an amount of time from 15 minutes to 120 minutes. TV will count down the amount of time you set, then turn itself off. To set the sleep timer : 1 With the TV turned on, press the MENU button until “Time” menu will be displayed. 2 Use the CH buttons to select “Sleep timer” item. 3 Use the VOL buttons to set the sleep time.
User’s Instruction Captioning Many 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 ; “text” is not usually related to the action on-screen, often providing information such as news or weather. A TV program might be providing more than one set of captions or one set of text.
User’s Instruction Power Restore User can select the On/Off status when the power cord put into the wall outlet. If user have a cable box with AC outlet, then user can connect the TV power cord to the AC outlet and control the TV without TV remote control. This function is rarely used for home use, so special care is needed while using. 1 With TV turned on, press the MENU button until “Special” menu will be displayed. 2 Use the CH buttons select “Power Restore” item.
User’s Instruction Troubleshooting Your Daewoo television is designed to give you trouble-free performance for many 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. You can also call Daewoo directly at 1-800-DAEWOO8. There is no pictrue or sound, or the TV won’t turn on. • Make sure the TV is plugged in. • Make sure the MUTE is not set.
User’s Instruction WARRANTY Daewoo Electronics Corporation of America warrants each new electronic product manufactured by it to be free from defective material and workmanship and agrees to remedy any such defect or to furnish a new part ( at the Company’s option ) in exchange for any part of any unit of its manufacture shich under normal installation, use, and service disclosed such defect, provided the unit is delivered by the owner to us or to our authorized distributor from whom purchased or authoriz
Block Diagram 19
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 adjustments are required. 1) How to enter the service mode using the user remote control. • Turn the set on. • Direct the remote control to the reception window of TV. • Push buttons of remote control in sequence as follows. 1 ---> MUTE ---> DISPLAY ---> MUTE • Then, the screen will appear as follows.
Alignment Instructions Table-B MODE S2 S5 ADJUSTMENT ITEMS - - Video Level (VIDEOL) RF AGC Delay (RFAGCD) 7 0~7 0 ~ 63 Must be set to 7 Align RF AGC threshold 0 ~ 31 - Must be set to 20 Select AGC reference voltage 0 ~ 31 VCR VCR/RF NOT USE Align sync to flyback pulse, using internal cross pattern (S7) 0 ~ 63 0 ~ 127 Align vertical DC bias, using internal cross pattern (S7) Align vertical amplitude, using internal cross pattern (S7) Vertical Linearity Vertical S-Correction (V SC) * * NO 0
Alignment Instructions 2) FOCUS ADJUSTMENT • Turn is a local station and adjust the Focus Control knob (located on FBT) for best picture details at hight condition. 3) RF AGC DELAY ADJUSTMENT (S5) • Receive a good local channel. • Enter the service mode and select service adjustment S5. • You can see the OSD as shown in below. • Select RFAGCD item, press the volume up or down button until noise or beat in picture disappears. • Press the DISPLAY button to memorize the data.
Alignment Instructions 4-3. Vertical Size Adjustment • Select “V.SIZE” item, adjust “V.SIZE” data value to proper vertical size as follows. 5) WHITE BALANCE ADJUSTMENT (S8) • Receive a good local channel. • Enter the service mode and select service adjustment S8. • You can see the OSD as shown in below. • Using volume up or volume down, adjust service adjustment data of RD/GD/BD and RB/GB/BB until a good gray scale with normal whites is obtained.
Alignment Instructions • Select Subbrightness item, adjust Subbrightness data value to obtain normal brightness level. • Press the DISPLAY button to memorize the data. CONTRAST • Fixed value = 27 TINT • Fixed value = 35 COLOR • Fixed value = 25 7) FACTORY OUTGOING MODE ( S12 : FACT ) • If you select the S12, then the set becomes factory outgoing status.
SCHEMATIC DIAGRAM 25
PRINTED CIRCUIT BOARD 26
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Service Parts List CAUTION “ ® ” Parts recommended for stock. “ ” Safety critical component, Replace only with genuine Daewoo safety part. LOC ® PART CODE LOC DESCRIPTION ® PART CODE PTMPMSH529 PART NAME DESCRIPTION PCB MAIN MANUAL AS DTH-14V1FSN 48B4343A01 TRANSMITTER REMOCON R-43A01 (AA) PTACPWH403 ACCESSORY AS DTH-14V4FS C101 CEXF1H109V C ELECTRO 50V RSS 1MF (5X11) TP ANT ROD S3BW216B (L=600 MM) C102 CEXF1C101V C ELECTRO 16V RSS 100MF (6.
Service Parts List LOC PART CODE C512 CEXF1H478V C ELECTRO PART NAME 50V RSS 0.47MF (5X11) TP DESCRIPTION LOC C714 CMXM2A333J PART CODE C MYLAR PART NAME 100V 0.033MF J (TP) DESCRIPTION C513 CEXF1H109V C ELECTRO 50V RSS 1MF (5X11) TP C721 CZSL1H470J C CERA 50V SL 47PF J (AXIAL) C514 CEXF1C471V C ELECTRO 16V RSS 470MF (10X12.5)TP C723 CCZB1H101K C CERA 50V B 100PF K (AXIAL) C515 CEXD1H229F C ELECTRO 50V RND 2.2MF (5X11) TP C724 CCZF1H103Z C CERA 50V F 0.
Service Parts List LOC PART CODE PART NAME DESCRIPTION D804 DLT2A05G-- DIODE LT2A05G (TP) D805 D1N4937G-- DIODE 1N4937G (TAPPING) D807 DRGP15J--- DIODE RGP15J D808 D1N4937G-- DIODE D812 DUZ5R6BM-- DIODE ZENER D813 D1N4937G-- DIODE D822 DZY160---D831 DUZ8R2BM-DA01 D1N4148--- ® F801 5FSGB4022L LOC ® PWC1 PART CODE 4859902910 PART NAME DESCRIPTION CORD POWER AS KKP419C+BL102NG+TUBE=2100 Q401 TKSC2330Y- TR KSC2330Y (TP) Q402 TKSC5386-- TR KSC5386 1N4937G (TAPPING) Q403 TKSC9
Service Parts List LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION R424 RD-AZ331J- R CARBON FILM 1/6 330 OHM J R712 RD-AZ473J- R CARBON FILM 1/6 47K OHM J R451 RD-4Z153J- R CARBON FILM 1/4 15K OHM J R713 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R452 RD-4Z123J- R CARBON FILM 1/4 12K OHM J R714 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R501 RD-2Z151J- R CARBON FILM 1/2 150 OHM J R715 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R502 RD-2Z151J- R CARBON FILM 1/2
Service Parts List LOC PART CODE PART NAME DESCRIPTION PART CODE TSM-3541T4 4859720130 TUNER VARACTOR DT5-NF20D X502 5XE4R4336C CRYSTAL QUARTZ HC-49/U 4.433619MHZ 20PPM X701 5XYR03276C CRYSTAL QUARTZ C-001R 32.768000KHZ 20PPM FILTER CERA XT 4.5MB R814 RS01Z688J- R M-OXIDE FILM 1W 0.68 OHM J R817 RN01B301JS R METAL FILM 1W 300 OHM J SMALL R818 RD-4Z561J- R CARBON FILM 1/4 560 OHM J R820 RD-4Z392J- R CARBON FILM 1/4 3.
Service Parts List OPTION LIST CM-003N 14” 20” DIFFERENT PARTS LIST LOC PART NAME PART CODE 14 INCHES DESCRIPTION 20 INCHES PART CODE DESCRIPTION C404 R301 C MYLAR R METAL FILM CMYH3C722J RN01B471JS 1.6KV BUP 7200PF J 1W 470 OHM J SMALL CMYH3C662H RN01B561JS 1.6KV BUP 600PF H 1W 560 OHM J SMALL R412 R452 R METAL FILM R CARBON FILM RN01B369JS RD-4Z123J- 1W 3.6 OHM J SMALL 1/4 12K OHM J RN01B479JS RD-4Z113J- 1W 4.
APPENDIX IC Description U-COM(I701) 39
APPENDIX IC Description 1. Abstrack. This specification is 1-Tuner Mono Model for North/South America, CCD 1-Chip MICOM LC863228A. It is developing software specification for tuning only NTSC and 3 system TV F/S. * 3 System : NTSC-M, PAL-M, PAL-N. 2. H/W Outline. 1) ROM : 28,672 x 8bits.tsc : 15,872 x 8bits for CGROM. 2) RAM : 512 x 8bits : 336 x 9bits. (for CRT Display) 3) OSD Function. • Screen Display : 34 characters x 16 lines. (by software) • RAM : 336 words. (9 bits per word) Display area.
APPENDIX IC Description 3) On Screen Displays function is interior designed. 4) Package. : 42 PIN SDIP. 2 5) Tuner (Pre-scaler.) : I C Bus. /PLL IC : TAU 6014-S (SIEMENS). 6) Remocon. : The IC of Transmission (MITSUBISHI M50560) 2 2 : 24C08(I C Bus) Apply one byte Read/Write mode. 7) E PROM 8) 6-Local Key. : A/D Input Control. (Power, Ch Up/Down, Vol Up/Down, Menu) 9) Option S/W : Port Input Option Check. 10) IF/V/C/D IC : LA76814(, The only NTSC), LA76810(, 3-system) 4. Function. 1) C. C. D. function.
APPENDIX IC Description - Auto Power On Function. (Power Restore function in the Special Menu) Heat Run Function. --- OSD White Back-Ground Sleep Timer. Wake Up Time Function. Off Time Function. Remote Reception & Control. Auto Tint. Power Restore. Input(TV/Line) Controlled function. ------------------------ (Option) Reception.(Air/Cable : Factory Initial Condition) --------- (Option) Blue Background.
APPENDIX IC Description 6. Pin Description PIN 1 2 Terminal P10 P11 Name Explanation Input - High (DC_5V) : The only TV. (Option) - Low (DC_0V) : Line. (Video) Reception (Option) 3 P12 Audio (Option) Remocon 4 5 6 7 8 P13/PWM1 P14/PWM2 P15/PWM3 P16 P17/PWM (Option) Blue Back - High (DC_5V) : Cable. - Low (DC_0V) : Air. - High (DC_5V) : Mon. - Low (DC_0V) : Stereo. - High (DC_5V) : DAEWOO - Low (DC_0V) : NON - High (DC_5V) : No Blue Back. (Option) - Low (DC_0V) : Blue Back.
APPENDIX IC Description PIN Terminal Name P87 / AN7 SPARE A/D Explanation - 16 pin is a spare pin. - 13 pin to 16 pin - 4 bit input / output port, Nch-OD output. 16 - Input or output can be specified for each bit. - Other function. AD converter input port ( 4 lines). - Reset terminal. 17 /RES /RES 18 FILT Filter 19 CVIN CVSB IN - Video signal input terminal. 20 /VS /VS - Vertical synchronization signal input terminal. 21 /HS /HS - Horizontal synchronization signal input terminal.
APPENDIX IC Description PIN Terminal Name 31 P70 / INT 0 Sound Input 32 P71 / INT 1 N.C Explanation Remarks - 4-bit input / output port. - Input or output can be specified for each bit. 33 P72 / INT 2/ SD In TO IN - # 31 : . Only Cn-220, ITT(MSP) Low : Front Mask / Mono, High : Back / Stereo. - Other function INT0 INT1 INT2 INT3 R E E E E F E E E E R/F D D E E H E E D D L E E D D V 03H 0BH 13H 1BH - Interrupt receiver format, vector addresses.
APPENDIX IC Description I101 LA76805 : IC VIDEO PROCESSOR 46
APPENDIX Troubleshooting Guide 1.
APPENDIX Troubleshooting Guide 2.
APPENDIX Troubleshooting Guide 3.
APPENDIX Troubleshooting Guide 4.
APPENDIX Troubleshooting Guide 5. NO COLOR 6.
APPENDIX Troubleshooting Guide 7. NO ON-SCREEN DISPLAY 8.