S/M No. : TCN001GMF0 Service Manual Color Television CHASSIS : CN-001GM Model : DTQ-14D4SSFM DTQ-20D4SSFM Caution : In this Manual, some parts can be changed for improving. their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List)in Service Information Center. MPR.2005 2005 Mar.
TABLE OF CONTENTS SAFETY PRECAUTIONS PRODUCT SAFTY SERVICING GUIDELINES FOR AUDIO-VIDEO PRODUCS PRODUCT SAFTY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS SPECIFICATIONS BLOCK DIAGRAM ALIGNMENT INSTRUCTIONS SERVICE MODE ADJUSTMENTS ASSEMBLY ADJUSTMENTS PARENTAL CONTROL PASSWORD SETTINGS SCHEMATIC DIAGRAM EXPLODED VIEW PRINTED CIRCUIT BOARD ELECTRICAL PARTS LIST 2 2 3 5 6 7 7 9 12 13 14 16 18 APPENDIX(Appendix is provide only by internet [http://svc,dwe.co.
PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. NEVER PERFORM 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. Service 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 ITEM DTQ -14D4SSFM TV STANDARD NTSC - M POWER INPUT POWER CONSUMTION TUNING SYSTEM TUNING RANGES DTQ -20D4SSFM FREE 57 WATTS 62 WATTS FREQUENCY SYNTHESIZER VHF : 2 ~ 13 (12) UHF : 14 ~ 69 (56) CATV : 1 ~ 125 (125) SOUND OUTPUT 5W+5W SPEAKER 8ohm 7.5W ANTENA INPUT 75ohm Unbalanced IMPEDANCE AUXILIARY INPUT Front : Video, Audio TERMINAL Rear : Video, Audio INTERMEDIATE Picture IF Carrier Frequency : 45.75MHz FREQUENCIES Sound IF Carrier Frequency : 41.
BLOCK DIAGRAM 6
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 S6 DATA ADJUSTMENT ITEMS Screen Adjustment Auto Vco VIF VCO Adj Auto Hvco H Vco adj Auto RFAGC RF-DELAY AGC Point VCO CH NO AGC CH NO H.Shift(Horizental Shift) V.Shift(Vertical Shift) V.Size(Vertical Size) VBLK Shift VBLK Shift On INITIAL OK 33 OK 04 OK 90 3.
ALIGNMENT INSTRUCTIONS 2. ASSEMBLY ADJUSTMENTS 1) SCREEN ADJUSTMENT (S2) • Enter the service mode and select service adjustment S2. • You cna see the one horizontal line on the screen. • Adjust the Screen Control Volume (located on FBT) so that the horizontal line onscreen may be disappeared. • Press the volume up or down button to exit in the screen adjustment mode. NOTE IN THE SCREEN ADJUSTMENT MODE, DONT PRESS OTHER BUTTONS EXCEPT VOLUME UP OR DOWN BUTTON.
ALIGNMENT INSTRUCTIONS 4) GEOMETRIC ADJUSTMENTS (S6) • Enter the service mode and select service adjustment S6. • You can see the OSD as shown in below. GEOMETRY H. SHIFT 09 V. SHIFT 02 V. SIZE 38 VBLK SHIFT 03 VBLK SHIFT ON NO NO SD POWER OFF NO MOVE ADJUST RECALL:SET 4-1. Horizontal SHIFT Adjustment • Select H.SHIFT item, adjust H.SHIFT data value to obtain proper horizontal centering of the internal cross pattern at the left and right of the screen. 4-2.
ALIGNMENT INSTRUCTIONS 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. RD 64 BD 64 RB 128 GB 128 BB 128 MOVE ADJUST RECALL : SET ∑ 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 ∑ Press the DISPLAY button to memorize the data. 6) DIGITAL PRESET(D.
ALIGNMENT INSTRUCTIONS 3. PARENTAL CONTROL PASSWORD SETTINGS If user forget Parental Control Password as follows. 1) CHANGE THE PASSWORD. •Turn the set on. •Direct the remote control to the reception window of your TV/VCR •Using the MENU buttons, select the Special menu. •Using the the channel up ( ) or down ( ) duttons, select prental control. •Using the volume up ( ), set the password Menu. •Push buttons of remote control in sequence as follows. 2 2 1 1 •Parental control password is reset.
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1 7 20 2 3 14 5 6 4 19 18 9 9-1 10 10-1 14-1 14 8 14-2 4-1 9 10 9-1 10-1 14-3 11 13 12 15 COVER BACK MAIN PCB SCREW CRT FIXING AS 4852155601 4856214902 4856013302 4856013300 4856215402 16 15 14-3 14-2 14-1 1 BUTTON DECO SENSOR INSU PLATE SCREW TAPPTIE 4854945801 4855541201 4857618000 7128301212 12 11 10 9-1 1 1 1 2 DECO COVER MARK BRAND PANEL FRONT SCREW TAPPTIE SPRING BUTTON POWER 4855313101 4855617500 4852067101 7128301212 4852326511 4856716000 4854856401 4852539601 P
1 11 2 3 4 18 5 6 17 16 7 15 15 8 9 1 MASK FRONT MARK BRAND PANEL CTRL SPRING BUTTON POWER GRILL R GRILL L 4852067101 4855615900 4852326601 4856716000 4854856601 4852539800 4852539700 PART CODE 6 5 4 3 2 1-1 1 No PART NAME 1 BUTTON 4854945901 7 SWRM EGI T0.5 EGI T0.5 1 MATERIAL ABS BK 1 1 Q'ty SWPA PIE 0.5 PC SMOG A1050P-H24 T2.0 HIPS BK ABS BK T2S TRS 3X12 MFZN CN-220C HIPS BK FELT T0.7 L=200 T2S TRS 4X14 MFZN 150ART P/E FILM DC-20SF 30X190 BK A48JLL91x50 M16 CR T2.
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ELECTRICAL PARTS LIST CAUTION “ ” is a safety patt, so it must be used the same part. “ ” is a recommendable part for essential stock.
ELECTRICAL PARTS LIST LOC PART CODE RC701 RC702 RC703 RC704 RC706 RC708 RC709 RC710 RC711 RC712 RC713 RC714 RC715 RC716 RC717 RC718 RC719 RC720 RC722 RC723 RC730 RC731 RC732 RC733 RC734 RC750 RC751 RC917 RC918 RC919 RC933 RC934 RC935 RC977 RC978 RC979 ZZ200 C310 C406 C410 C414 C415 C504 C518 C521 C6022 C805 C809 C810 C811 C812 C814 C817 C820 C829 C912 ZZ200 10 D807 D881 D882 D883 D884 E002 E003 E004 E005 HRFT123JBA HRFT223JBA HRFT471JBA HRFT471JBA HRFT102JBA HRFT223JBA HRFT000-BA HRFT103JBA HRFT472JBA H
ELECTRICAL PARTS LIST LOC PART CODE C601 C605 C606 C610 C611 C615 C634 C662 C701 C706 C707 C712 C803 C813 C815 C816 C821 C871 C878 C890 C893 F802 I803 L601 L805 L901 Q401 Q403 Q404 Q405 Q501 Q575 Q653 Q701 Q703 Q707 Q801 Q807 Q873 Q902 Q903 Q904 Q977 R301 R302 R303 R305 R403 R453 R913 R914 R915 SW702 SW703 SW704 SW705 SW706 X502 Z501 Z502 ZZ200 10 20 A001 C109 C115 C116 CEXF1C470V CEXF1H479V CEXF1H479V CMXL1J224J CMXL1J224J CEXF1H109V CEXF1H100V CMXM2A153J CEXF1C101V CEXF1C101V CEXF1C101V CEXF1H109V CEX
ELECTRICAL PARTS LIST LOC J107 J109 J11 J110 J111 J112 J114 J115 J116 J117 J12 J13 J14 J15 J16 J17 J18 J19 J2 J20 J21 J22 J23 J24 J25 J26 J27 J28 J29 J3 J30 J31 J32 J33 J35 J36 J37 J38 J39 J4 J40 J41 J42 J43 J44 J45 J46 J47 J48 J49 J5 J50 J51 J52 J53 J55 J56 J57 J58 J59 J6 J60 J61 J62 J63 J64 J65 J66 PART CODE PART NAME DESCRIPTION 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065
ELECTRICAL PARTS LIST LOC R307 R308 R309 R310 R312 R350 R351 R352 R401 R416 R417 R423 R424 R451 R452 R454 R455 R505 R520 R526 R530 R531 R532 R602 R603 R604 R607 R615 R618 R619 R724 R725 R789 R790 R809 R818 R819 R820 R823 R868 R869 R872 R874 R875 R876 R877 R878 R879 R888 R890 R892 R893 R894 R901 R910 R911 R912 R923 R924 R925 PART CODE RD-AZ303JRD-AZ202JRD-AZ822JRD-AZ303JRD-AZ104JRD-AZ102JRD-AZ752JRD-AZ123JRD-4Z472JRD-2Z121JRD-4Z302JRD-AZ102J85801065GY RD-4Z153JRD-4Z113JRD-AZ102J85801065GY RD-AZ103JRD-AZ473
ELECTRICAL PARTS LIST AUTO FREE, 220V DIFFERENTIAL PARTS LIST LOC PARTS_NAME R801 R895 S/N R CEMENT RX07B339JP R CARBON FILM RD-4Z513J- 220V PARTS_DESC. 7W 3.3 OHM J BEN 15MM 4P 1/4 51K OHM J AUTO FREE VOLTAGE S/N PARTS_DESC. RX07B109JP 7W 1 OHM J BEN 15MM4P X DTQ-20D4SSFM_20D7SSFM DIFFERENTIAL LIST LOC SW801 SW700 SW701 J091 J092 PA601 PARTS_NAME SW PUSH SW TACK SW TACK WIRE WIRE CONNECTOR S/N X X 5S50101035 85801065GY 85801065GY 4850704S27 DTQ-20D4SSFM PARTS_DESC. KPT-1112 1C-1P AWG22 1/0.
IC DESCRIPTION I. MICOM Outline. 1. Abstract. This specification is 1-Tunner Mono Model for North America, CCD 1-Chip MICOM M37150. It is developing software specification for tuning only NTSC system TV F/S. 2. H/W Outline. 1) ROM : 32K x 8bits.tsc 2) RAM : 1152 x 8bits. 3) OSD Function. . Screen Display. 32 characters x 2 lines. - Characters. 254 patterns programmable.
IC DESCRIPTION - Closed Caption Mode. (Off<-->C1<-->C2<-->T1<-->T2<-->Off) - CC On Mute.(Off / On) - When CC On Mute is On, Output is selected a item of Closed Caption Modes. 3) Tuning Function. - I2C Bus. - PLL IC Interface. - FS 181 Channel (AIR 2-69CH, CABLE 1-125CH)" - AFT Operation(Fine Tuning ) -2.5 ~ Fn ~ +2.5MHz - AIR/CABLE (STD, HRC, IRC ). Only Cable 5,6CH is that AFT range is cover over broad-band. -2.5MHz ~ Fn ~ +3.5MHz. - Auto Program.(If a channel is broadcasting, the channel is memorized.
IC DESCRIPTION 5. The Table of Option and Schedule PIN OPTION REFERENCE REMARKS #1 TV ONLY (H) LOW (DC 0V): VIDEO (L) : Video Model (“V” Series) HIGH (DC 5V) : TV (H) : No Video Model (“P” Series) LOW (DC 0V): NORMAL (L) : Normal Video HIGH (DC 5V) : PRISON (H) : Clock Menu (TIME) delete #41 PRISON 6. KEY Matrix RC743 4.7K RC744 2.4K RC709 3.9K RC746 7.5K RC747 24K POWER KEY VOL + VOL - FUNCTION VALUE(V) SW701 POWER 0 ~ 0.55 SW705 VOL + 2.25 ~ 2.75 SW704 VOL - 2.76 ~ 3.
Appendix IC DESCRIPTION II.
Appendix IC DESCRIPTION III.
IC DESCRIPTION IV. M61250(CROMA) Pin Configuration V RAMP CAP 1 48 SIF LIMIT ER IN AFT OUT 2 47 8.7V REG OUT VIF Vcc(1) 3 46 NC [ Cr IN ] VIF Vcc(2) 4 45 NC [ Cb IN ] V.
Appendix TROUBLESHOOTING GUIDE 1.
#40 #42 #63 #2 #7 #3 #64 #62 #59 #31 #26 #22 #30 #27 #58 #41 VCC 5V #41 C517 #39 #40 DEF #12 #14 180V #15 #16 #33 31
#51 #40 #42 #63 #7 #2 #64 #50 #4 Z502 4.
Check T-SDA/SCL #31 #30 #63 #11 #59 #7 #2 #64 #40 #42 #22 SVC S5 Key input Vco adjust Vcc 5V 33
#40 #41 #34 #14 #15 #16 Check the voltage (25V) #40 Vertical IC Vcc (25V) #6 #38 #1 #5 #5 34
#31 #26 #30 #27 #37 #38 #34 #23 #35 #22 #36 #21 #33 #24 #22 Vcc 5V #15 #22 Vcc 5V Check the voltage 35
DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : MAR.