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Daewoo 20V4FSN DTQ-14V3FSN manual

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Table of contents for the manual

  • Page 1

    Ser vice Man ual Color T el e vision CHASSIS : CN-001N Model : DTQ-14V1FCN/20V1FCN DTQ-14V5FCN/20V4FCN DTQ-14V1FSN/20V1FSN DTQ-14V5FSN/20V4FSN DTQ-14V3FSN/20V3FSN DTQ-14U1FSN/20U1FSN DTQ-14V1FSPN/20V1FSPN DTQ-14V5FSPN/20V4FSPN DTQ-14U1FSPN/20U1FSPN S/M No.:CN001N-010 Dec . 2000 U .S.A Canada Middle America ( A C 110V) M e xico,Chile, P eru ( A C 22[...]

  • Page 2

    1 TABLE OF CONTENTS APPENDIX (Appendix is provide only by internet [http://svc.dwe.co.kr]) SAFETY PRECAUTIONS .................................................................................................................... 2 PRODUCT SAFTY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCS ......................................... 2 PRODUCT SAFTY SE[...]

  • Page 3

    2 PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- TURER'S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANT RESULT- ING PROPERTY DAMAGE OR USER INJURY. [...]

  • Page 4

    3 PRODUCT SAFETY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS CAUTION : Do not attempt to modify this product in any way. Unau- thorized 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 wit[...]

  • Page 5

    4 SUBJECT : IMPLOSION 1. All direct viewed picture tubes are equipped with an integral implo- sion protection system, but care should be taken to avoid damage during installation. Avoid scratching the tube. If scratched, replace it. 2. Use only recommended factory replacement tubes. SUBJECT : TIPS ON PROPER INSTALLATION 1. Never install any receive[...]

  • Page 6

    5 SPECIFICATIONS MODEL ITEMS DTQ-14/20V1FCN DTQ-14V5/20V4FCN DTQ-14/20V1FSN DTQ-14V5/20V4FSN DTQ-14/20V3FSN DTQ-14/20U1FSN DTQ-14/20U1FSPN DTQ-14/20V1FSPN DTQ-14V5/20V4FSPN REMARKS TV STANDARD NTSC-M POWER INPUT AC 120V 60 Hz AC 220V 50/60 Hz POWER CONSUMPTION 14 = 55W 20 = 68W TUNING SYSTEM Frequency Synthesizer ( FS ) Tuning System TUNING RANGES [...]

  • Page 7

    6 BLOCK DIAGRAM A. M U T E( H ) 5[...]

  • Page 8

    7 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 bu[...]

  • Page 9

    8 ALIGNMENT INSTRUCTIONS Table-B * indicates the items with different settings each of sets 2. ASSEMB LY 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 [...]

  • Page 10

    9 2) FOCUS ADJUSTMENT • 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 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[...]

  • Page 11

    10 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 [...]

  • Page 12

    11 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 = 32 COLOR • Fixed value = 20 7) FACTORY OUTGOING MODE (S12 : FACT) • If you select the S12, then the set becomes factor[...]

  • Page 13

    12 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 ( ¡ ã ) or down ( ¡ å ) duttons, select prental control.[...]

  • Page 14

    13 VOLTAGE CHART MODE LOC PIN ON OFF I101 1 2.37 0 2 2.3 0 3 2.63 0 4 2.22 0.49 5 2.88 0 6 2.88 0 70 0 8 4.92 0.57 9 2.25 0 10 2.29 0.28 11 4.9 4.89 12 4.85 4.84 13 3.94 0 14 1.5 0 15 1.53 0 16 1.53 0 17 0 0 18 8.04 0 19 2.52 0 20 2.63 0 21 2.59 0 22 0.2 0 23 0.22 0 24 2.56 0 25 5.14 4.23 26 2.65 2.2 27 0.69 0.16 28 0.81 1.37 29 1.71 1.4 30 0 0 31 [...]

  • Page 15

    14 VOLTAGE CHART MODE LOC PIN ON OFF I701 1 4.9 4.89 2 4.81 4.8 3 5.04 4.99 4 5.04 4.99 50 0 6 1.9 1.9 7 2.68 2.66 8 4.97 4.92 9 5.04 4.99 10 0 0 11 2.22 0.49 12 0 4.89 13 4.95 4.89 14 3.4 3.37 15 2.69 2.47 16 0 3.52 17 4.65 4.99 18 4.14 4.99 19 0 0 20 0 0 21 0 0 22 0 0 23 NC NC 24 NC NC 25 0 0 MODE LOC PIN ON OFF I701 26 0 0 27 3.81 3.46 28 4.97 4[...]

  • Page 16

    15 VOLTAGE CHART MODE LOC PIN ON OFF C 5.02 0 Q201 E 3.32 3.28 B 2.49 2.48 C 38.6 42.28 Q401 E 0 0 B0 0 C 132 0 Q402 E 0 0 B0 0 C 0.59 0 Q403 E 0 0 B 0 0.66 C 10.1 0 Q404 E 0 0 B0 0 C 9.71 0 Q602 E 1.69 0 B 2.31 0 C 5.02 4.99 Q701 E 0 0 B0 0 C 5.02 5 Q702 E 0 0 B0 0 MODE LOC PIN ON OFF C 5.02 5 Q703 E 0 0 B0 0 C 4.93 4.9 Q704 E 4.95 4.92 B 4.32 4.2[...]

  • Page 17

    16 WAVEFORMS (1) I101 PIN 19 (2) I101 PIN 20 (3) I101 PIN 21 (4) I101 PIN 23 (5) I101 PIN 40 (5) I101 PIN 44 (7) I101 PIN 46 (8) I301 PIN7[...]

  • Page 18

    17 WAVEFORMS (9) I701 PIN 7 (10) I701 PIN 17 1) I701 PIN 18 (12) I801 PIN 2 (13) T402 PIN 25.5V (14) T402 PIN 10.5V (15) T402 PIN HEATER (16) T402 PIN 200V[...]

  • Page 19

    18 WAVEFORMS (17) T401 PIN H.V . (18) T801 PIN 133V (19) Q403 COLLECT OR (20) CR T SOCKET PIN B (21) CR T SOCKET PIN R (22) CR T SOCKET PIN G[...]

  • Page 20

    19 SCHEMATIC DIAGRAM[...]

  • Page 21

    20 EXPLODED VIEW 1. DTQ-14V1FSN[...]

  • Page 22

    21 EXPLODED VIEW 2. DTQ-14V3FSN[...]

  • Page 23

    22 EXPLODED VIEW 3. DTQ-14V5FCN / FSN[...]

  • Page 24

    23 EXPLODED VIEW 4. DTQ-14U1FSN[...]

  • Page 25

    24 EXPLODED VIEW 5. DTQ-20V1FSN[...]

  • Page 26

    25 EXPLODED VIEW 6. DTQ-20V3FSN[...]

  • Page 27

    26 EXPLODED VIEW 7. DTQ-20V4FSN[...]

  • Page 28

    27 EXPLODED VIEW 8. DTQ-20U1FSN[...]

  • Page 29

    28 ELECTRICAL PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B4343A01 TRANSMITTER REMOCON R-43A01 (AA) ZZ110 PTACPWH394 ACCESSORY AS DTQ-14P2FC 10 4850A02510 ANT ROD S3BW216B (L=600 MM) 30 4850Q00810 BATTERY R6P/LN 40 4850A00250 TRANS ANT MATCHING IMT-06 10000 4.86E+09 MANUAL INSTRUCTION DTQ-20V1FS M821 4858213800 BAG INSTRUCTION L.D[...]

  • Page 30

    29 RS801 DSVC471D14 VARISTOR SVC471D14A I SCT1 4859303930 SOCKET CRT ISMG03S INCHANG 2 I SF101 5PTSF5241P FILTER SAW TSF5241P T401 50D10A3--- TRANS DRIVE TD-10A3 T402 50H0000198 FBT FSA37012M 2 I T801 50M3541T2- TRANS SMPS TSM-3541T2 I U102 4859719130 TUNER VARACTOR DT5-NF20F 2 I X701 5XYR03276C CRYSTAL QUARTZ C-001R 32.768000KHZ 20PPM Z501 5PYXT4R[...]

  • Page 31

    30 RC655 HRFT162JCA R CHIP 1/10 1.6K OHM J 2012 RC701 HRFT220JCA R CHIP 1/10 22 OHM J 2012 RC704 HRFT102JCA R CHIP 1/10 1K OHM J 2012 RC705 HRFT472JCA R CHIP 1/10 4.7K OHM J 2012 RC706 HRFT472JCA R CHIP 1/10 4.7K OHM J 2012 RC707 HRFT102JCA R CHIP 1/10 1K OHM J 2012 RC731 HRFT103JCA R CHIP 1/10 10K OHM J 2012 RC732 HRFT132JCA R CHIP 1/10 1.3K OHM J[...]

  • Page 32

    31 E104 4856310600 EYE LET BSR T0.2 (R2.3) E105 4856310600 EYE LET BSR T0.2 (R2.3) E106 4856310600 EYE LET BSR T0.2 (R2.3) E107 4856310600 EYE LET BSR T0.2 (R2.3) E108 4856310600 EYE LET BSR T0.2 (R2.3) E109 4856310600 EYE LET BSR T0.2 (R2.3) E110 4856310600 EYE LET BSR T0.2 (R2.3) E111 4856310600 EYE LET BSR T0.2 (R2.3) E114 4856310600 EYE LET BSR[...]

  • Page 33

    32 Q805 TKTC3205Y- TR KTC3205Y (TP) Q851 TKSC945CY- TR KSC 945C-Y (TAPPING) R301 RN01B471JS R METAL FILM 1W 470 OHM J SMALL R302 RN01B471JS R METAL FILM 1W 470 OHM J SMALL R303 RN01B129JS R METAL FILM 1W 1.2 OHM J SMALL R305 RN01B331JS R METAL FILM 1W 330 OHM J SMALL R403 RN01B562JS R METAL FILM 1W 5.6K OHM J SMALL R411 RN01B229JS R METAL FILM 1W 2[...]

  • Page 34

    33 J953 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J954 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J955 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J956 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J957 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J959 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J963 85801065GY WIRE COPPER A[...]

  • Page 35

    DAEWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : “ DAEWOOELEC ” E-mail : djkoo@web.dwe.co.kr FAX : 02) 360-7877 TEL: 02) 360-7806[...]

  • Page 36

    1 IC DESCRIPTION U-COM(I701) X ’ TAL:32.768 KHz Appendix[...]

  • Page 37

    2 IC DESCRIPTION 1. Abstract. 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 2. H/W Outline. 1) ROM : 28,672 x 8bits.tsc : 15,872 x 8 bits for CGROM. 2) RAM : 512 x 8bits. : 352 x 9bits.(for CRT Display) 3) OSD Function. ¡ ¤ Screen Display.[...]

  • Page 38

    3 IC DESCRIPTION 3) On Screen Displays function is interior designed. 4) Package. : 36 PIN SDI P . 5) Tuner (Pre-scaler.) : I 2 C Bus. /PLL IC : TAU 6014-S(SIEMENS). 6) Remocon. : The IC of Transmission (MITSUBISHI M50560) 7) E 2 PROM. : 24C04(I 2 C Bus) ◊ Apply one byte Read/Write mode. 8) 6-Local Key. : A/D Input Control.(Power, Ch Up/Down, Vol[...]

  • Page 39

    4 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.----------------------- (Option) - Power Restore. - Input(TV/Line) Controlled function. ---------------------[...]

  • Page 40

    5 IC DESCRIPTION 6. Pin Description PIN Terminal Name Explanation Remarks 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ROM Data Main IC Data ROM CLK Main IC CLK Tuner Data Tuner CLK GND XT1 XT2 VDD KEY-IN AFT-IN AGC-IN ST-BY(H) /RES Filter CVSB IN TV/VID /VS /HS R G 6 bit input/output port Input/output can be Specified for each bit Other func[...]

  • Page 41

    6 IC DESCRIPTION 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 B BL Audio Mute Power On Bus Stop Relay On/Off A/V Detection Remocon In RF(H)/AV(L) AUTO TINT PWM VOLUME BLUE BACK PRISON MONO/STEREO CAPTION TV ONLY(H) Blue output terminal of RGB image Fast blanking control signal Switch TV image Signal and caption / OSD image signal Output terminal[...]

  • Page 42

    7 IC DESCRIPTION I101 DCT814(LA76814) : IC VIDEO PROCESSOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ABL IN OSD RED INPUT OSD GREEN INPUT OSD BLUE INPUT 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 EXT. AUDIO INPUT SIF OUTPUT SIF APC FILTER SIF INPUT 22 23 24 25 26 27 33 32 31 30 29 28 BUS CLOCK FAST BLANKING INPUT RGB[...]

  • Page 43

    8 TROUBLESHOOTING GUIDE 1. NO POWER Appendix[...]

  • Page 44

    9 TROUBLESHOOTING GUIDE 2. NO PICTURE Check the waveform of I101 #46 NG : GO to the figure c OK : Go the figure d 1701 MICOM Appendix[...]

  • Page 45

    10 TROUBLESHOOTING GUIDE 3. NO SOUND Check audio output signal of I101 #1 NG : Go to the figure e OK : Go to the figure f g 1701 MICOM Appendix[...]

  • Page 46

    11 TROUBLESHOOTING GUIDE 4. CH DON ’ T STOP Check the input signal conditions NG : Loss of signal or weak signal OK : Go to the figure h Appendix[...]

  • Page 47

    12 TROUBLESHOOTING GUIDE 5. NO COLOR 6. NO VERTICAL DEFLECTION Appendix[...]

  • Page 48

    13 TROUBLESHOOTING GUIDE 7. NO ON-SCREEN DISPLAY 8. REMOTE CONTROL DOES NOT OPERATE Appendix[...]