S/M No.:TCN001MEF0 Service Manual Color Television CHASSIS : CN-001M Model DTQ-14P2/P3FCM DTQ-14P2/V1FCWM/P2SCM DTQ-14V1/V5FCM/V1/V4SCM DTQ-14V5FCNM/15U5SCM DTQ-14V6FCBM/FCPM/FBBM/FPPM DTQ-14J4FCGM/FCCM DTQ-20V1/V4/V5FCM DTQ-20V1/V4SCM DTQ-20P2/P3FCM/P2SCM U.S.
TABLE OF CONTENTS SAFETY PRECAUTIONS .................................................................................................................... 2 PRODUCT SAFTY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCS......................................... 2 PRODUCT SAFTY SERVICING 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 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 ITEMS DTQ-14P2/P3FCM DTQ-14P2/V1FCWM/P2SCM DTQ-14V1/V5FCM/V1/V4SCM DTQ-14V5FCNM/15U5SCM DTQ-14V6FCBM/FCPM/FBBM/FPPM DTQ-14J4FCGM/FCCM DTQ-20V1/V4/V5FCM DTQ-20V1/V4SCM DTQ-20P2/P3FCM/P2SCM DTQ-14V6NBM/NPM DTQ-14V1/V3/V5FSM DTQ-14V1/V3/V4/V5/V8/V9SSM DTQ-14U1FSM/SSM/20U1FSM/SSM DTQ-20P2SSM/15U5FSM DTQ-20V1/V3/V4FSM DTQ-20V1/V3/V4/V8/V9SSM DTQ-14V1/V4/V5FSPM DTQ-20V1/V4FSPM DTQ-14V1/V4SSFM DTQ-14V1/V4/V5/U1SSPM DTQ-20V1/V3/V4/U1SSPM DTQ-20V1/V4SSFM REMARKS DTQ-14V6NBPM/NPPM DTQ-15U5SSPM
A.
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 DATA MODE S2 S5 ADJUSTMENT ITEMS RANGE Screen Adjustment - - Auto RF AGC - - Video Level (VIDEOL) 7 0~7 Must be set to 7 RF AGC Delay (RFAGCD) * 0 ~ 63 Align RF AGC threshold FM Level (FM.LEV) 8 0 ~ 31 Must be set to 30 3.75 - AGC Point S6 S8 S9 S11 S12 Select AGC reference voltage A/D VALUE - - Horizontal Phase(H.PHASE) * 0 ~ 31 Align sync to flyback pulse, using internal cross pattern(S7) Vertical Position (V.
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 S7. • Whenever you select the “S7” using the volume up or down button, the screen is changing like this. NORMAL BLACK WHITE100 WHITE60 CROSS • Using the volume up or down button, select internal cross pattern. • Select service adjustment S6 • You can see the OSD as shown in below. GEOMETRY H. PHASE 17 V. POSI 29 V.
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 58 GD 10 BD 65 RB 105 GB 127 BB 100 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 ( ¡ã ) or down ( ¡å ) duttons, select prental control. •Using the volume up ( ¢º ), set the password Menu. •Push buttons of remote control in sequence as follows. 2 2 1 1 •Parental control password is reset.
VOLTAGE CHART LOC PIN I501 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 MODE ON OFF 2.17 0 1.95 0 2.7 0 2.39 0.49 2.86 0 2.86 0 0 0 4.87 0.57 1.76 0 2.46 0.28 4.9 4.93 4.86 4.92 3.59 0 1.38 0 1.39 0 1.39 0 0 0 8.11 0.235 2.61 0.232 2.57 0 2.71 0 NC NC 2.27 0 2.59 0 5.12 4.23 2.62 2.2 0.94 0.16 0.86 1.37 1.69 1.4 4.96 0.706 0 0 2.73 0.31 0 0 0 0 2.37 0 3.38 0 1.72 0 2.77 0.35 5.09 0 2.12 0 0 0 2.45 0 4.84 0.
VOLTAGE CHART LOC PIN I701 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 MODE ON 4.86 4.81 5.03 5.03 0 1.9 2.71 4.99 5.04 0 2.28 0 4.93 3.71 2.66 0 4.96 4.07 0 0 0 0 4.84 0 0 0 0 5.03 4.8 5.05 0 5.05 0 0 0 0 OFF 4.96 4.94 4.97 4.97 0 1.87 2.67 4.91 4.95 0 0 4.88 4.87 3.64 2.44 4.88 0.71 4.95 0 0 0 0 4.56 0 0 0 0.22 4.93 4.7 4.95 4.88 4.95 0 0 0 0 14 LOC PIN I703 1 2 3 4 5 6 7 8 LOC PIN I801 1 2 3 4 5 6 7 MODE ON 0 0 0 0 4.91 4.86 0 5.
VOLTAGE CHART LOC PIN Q201 C E B C E B C E B C E B C E B C E B C E B C E B Q401 Q402 Q404 Q501 Q575 Q653 Q701 MODE ON OFF 5.03 4.95 3.29 3.26 2.51 2.47 -3.63 35.55 0 0 0.35 0 130.2 102.3 0 0 0 0 10.23 0 0 0 0 0 0 0 3.59 0 4.53 0 -0.1 0 10 0 10.22 0 6.52 0 0 0 0 0.71 4.07 4.96 0 0 0 0 LOC PIN Q703 C E B C E B C E B C E B C E B C E B C E B C E B Q704 Q707 Q804 Q805 Q806 Q871 Q873 15 MODE ON 5.04 0.44 1.06 5 4.97 4.35 5.05 0.18 0.06 0 132.6 132.2 12.12 5.03 5.63 5.13 5.05 4.46 12.
WAVEFORMS (1) I101 PIN 19 (2) I101 PIN 20 V:1V/div H:25us/div V:1V/div H:25us/div (3) I101 PIN 21 (4) I101 PIN 23 V:1V/div H:25us/div V:500mV/div H:5ms/div (5) I101 PIN 40 (6) I101 PIN 44 V:500mV/div H:25us/div V:500mV/div H:25us/div (7) I101 PIN 46 (8) I101 PIN 6 V:500mV/div H:25us/div V:10V/div H:5ms/div 16
WAVEFORMS (9) I701 PIN 7 (10) I101 PIN 17 V:1V/div H:50us/div V:2V/div H:25us/div (11) I701 PIN 18 (12) I801 PIN 7 V:20V/div H:25us/div V:100V/div H:10us/div (13) T402 PIN 25.5V (14) T402 PIN 10.
WAVEFORMS (17) T401 PIN H.
SCHEMATIC DIAGRAM 19
EXPLODED VIEW 1.
EXPLODED VIEW 2.
EXPLODED VIEW 3.
EXPLODED VIEW 4.
EXPLODED VIEW 5.
EXPLODED VIEW 6.
EXPLODED VIEW 7.
EXPLODED VIEW 8.
ELECTRICAL PARTS LIST ✐ CAUTION : In this Service 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(http://svc.dwe.co.kr) " " R " is a safety patt, so it must be used the same part. " is a recommendable part for essential stock.
ELECTRICAL PARTS LIST parts_name parts_descr JC704 z_loc z_parts_code HRFS000-BA R CHIP 1/16 0 OHM 1608 remark RC752 z_loc z_parts_code HRFS471JBA R CHIP parts_name 1/16 470 OHM J 1608 parts_descr RC150 HRFS153JBA R CHIP 1/16 15K OHM J 1608 RC755 HRFS102JBA R CHIP 1/16 1K OHM J 1608 RC151 HRFS104JBA R CHIP 1/16 100K OHM J 1608 RC756 HRFS102JBA R CHIP 1/16 1K OHM J 1608 RC154 HRFS473JBA R CHIP 1/16 47K OHM J 1608 RC763 HRFS201JBA R CHIP 1/16 200 OHM J 1608 RC156 HRFS473J
ELECTRICAL PARTS LIST parts_name parts_descr parts_name parts_descr R881 z_loc z_parts_code DDT7R0M140 POSISTOR ECPAC7R0M140 remark C301 z_loc z_parts_code CMXM2A103J C MYLAR 100V 0.01MF J (TP) ZZ200 PTMPJBH567 PCB MAIN M-10 AS DTQ-14V1FCM C302 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP 10 2TM18006BE TAPE MASKING 6.2X500 C303 CEXF1H100V C ELECTRO 50V RSS 10MF (5X11) TP D401 D1N4937G— DIODE 1N4937G (TAPPING) C305 CEXF1H101V C ELECTRO 50V RSS 100MF (8X11.
ELECTRICAL PARTS LIST parts_name parts_descr L805 z_loc z_parts_code 58CX430599 COIL CHOKE AZ-9004Y 940K TP remark C551 z_loc z_parts_code CCZB1H101K C CERA parts_name 50V B 100PF K (AXIAL) parts_descr L901 5CPX121J— COIL PEAKING 120UH J (RADIAL) C552 CCZB1H101K C CERA 50V B 100PF K (AXIAL) Q201 TKSC945CY- TR KSC 945C-Y (TAPPING) C555 CBZR1C392M C CERA 16V Y5R 3900PF M (AXIAL) Q401 TKSC2330Y- TR KSC2330Y (TP) C560 CCZF1H103Z C CERA 50V F 0.
ELECTRICAL PARTS LIST parts_name parts_descr parts_name parts_descr J007 z_loc z_parts_code 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING remark J709 z_loc z_parts_code 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J009 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J710 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J010 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J711 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J011 85801065GY WIRE COPPER AWG22 1/0.
ELECTRICAL PARTS LIST parts_name parts_descr R452 z_loc z_parts_code RD-4Z113J- R CARBON FILM 1/4 11K OHM J R910 RD-2Z332J- R CARBON FILM 1/2 3.3K OHM J R501 RD-2Z151J- R CARBON FILM 1/2 150 OHM J R911 RD-2Z332J- R CARBON FILM 1/2 3.3K OHM J R502 RD-2Z151J- R CARBON FILM 1/2 150 OHM J R912 RD-2Z332J- R CARBON FILM 1/2 3.3K OHM J R503 RD-AZ752J- R CARBON FILM 1/6 7.
DAEWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O.
IC DESCRIPTION Appendix U-COM(I701) X’TAL:32.
IC DESCRIPTION Appendix 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. ¡ ¤ RAM ¡ : 36 characters x 16 lines.(by software) : 352 words. (9 bits per word) Display area. : 36 words. x 8 lines. 1st control area. : 8 words.
IC DESCRIPTION Appendix 3) On Screen Displays function is interior designed. 4) Package. : 36 PIN SDIP. 5) Tuner (Pre-scaler.) 6) Remocon. : I2C Bus. /PLL IC : TAU 6014-S(SIEMENS). : The IC of Transmission (MITSUBISHI M50560) 7) E2PROM. 8) 6-Local Key. 9) Option S/W 10) IF/V/C/D IC : 24C04(I2C Bus) ◊ Apply one byte Read/Write mode. : A/D Input Control.(Power, Ch Up/Down, Vol Up/Down, Menu) : Port Input Option Check. :DTC814(LA79814) 4. Function. 1) C. C. D. function. - A section of C. C. D.
IC DESCRIPTION Appendix - 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. ----------------------- (Option) - Reception.(Air/Cable : Factory Initial Condition) - Blue Background.
IC DESCRIPTION Appendix 6. Pin Description PIN Terminal Name ROM Data Main IC Data ROM CLK Main IC CLK Explanation Remarks 1 P10/SDA0 2 P11/SCLK0 3 P12/SDA1 Tuner Data 4 P13/SCLK1 Tuner CLK 5 VSS GND 6 XT1 XT1 XT2 XT2 8 VDD VDD 9 P04/AN4 KEY-IN Power, Ch up/down, Vol up/down, Menu 10 P05/AN5 AFT-IN Dc value that comes from the 10 pin of LA76810/14 11 P06/AN6 AGC-IN Connect this port to AGC of Tuner Default Voltage : 3.75V Variable Voltage : 3.25V, 3.5V, 4.
IC DESCRIPTION Appendix PIN Terminal Name Explanation 21 B B Blue output terminal of RGB image 22 BL BL Fast blanking control signal Switch TV image Signal and caption / OSD image signal Output terminal 23 P31 Audio Mute 24 P32 Power On Use when does power off/on Power off: Output Low(DC 0V) Power on: Output High(DC 5V) 25 P70/INT0 Bus Stop No Use 26 P71/INT1 Relay On/Off Relay On/Off Terminal 27 P72/INT2 A/V Detection Detect port of Front A/V 28 P73/INT3 Remocon In Input
IC DESCRIPTION Appendix I101 LA76845 : IC VIDEO PROCESSOR AUDIO OUT 1 54 SIF INPUT FM OUTPUT 2 53 SIF APC FILTER PIF AGC 3 52 SIF OUTPUT RF AGC OUT 4 51 EXT. AUDIO INPUT PIF INPUT1 5 50 APC FILTER PIF INPUT2 6 49 VCO COIL1 IF GND 7 48 VCO COIL2 IF VCC 8 47 VCO FILTER FM FILTER 9 46 VIDEO OUTPUT AFT OUTPUT 10 45 BLACK LEVEL DETECTOR 11 44 INT. VIDEO INPUT(S-C IN) BUS CLOCK 12 43 VIDEO/VER. VCC ABL IN 13 42 EX.
TROUBLESHOOTING GUIDE Appendix 1. NO POWER D881 FB01 C810 D882 R801 D883 L801 D884 Check F801(7W, 2.
TROUBLESHOOTING GUIDE Appendix 2.
TROUBLESHOOTING GUIDE Appendix 3.
TROUBLESHOOTING GUIDE Appendix 4.
TROUBLESHOOTING GUIDE Appendix 5. NO COLOR 6 check the Voltage (3.4V) #36 6.
TROUBLESHOOTING GUIDE Appendix 7. NO ON-SCREEN DISPLAY 8.
