S/M No. : CN001A-020R1 Service Manual (Revision-1) Color Television CHASSIS : CN-001A Model : DTQ-14V1FC/20V1FC DTQ-14V5FC/20V4FC DTQ-14V1FS/20V1FS DTQ-14V5FS/20V4FS DTQ-14V3FS/20V3FS DTQ-14U1FS/20U1FS DTQ-14V6NB/14V6NP DTQ-14V6FCB/14V6FCP DTQ-14V6FBB/14V6FPP DTQ-14V1FSP/20V1FSP DTQ-14V5FSP/20V4FSP DTQ-14U1FSP/20U1FSP DTQ-14V6NBP/14V6NPP DTQ-14V1FC DTQ-14V5FC DTQ-14V3FC 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 ITEMS DTQ-14/20V1FC MODEL DTQ-14V5/20V4FC DTQ-14/20V1FS DTQ-14V5/20V4FS DTQ-14/20V3FS DTQ-14/20U1FS TV STANDARD DTQ-14/20U1FSP NTSC-M POWER INPUT AC 120V 60 Hz AC 220V 50/60 Hz 14 = 55W 20 = 65W POWER CONSUMPTION TUNING SYSTEM Frequency Synthesizer ( FS ) Tuning System TUNING RANGES VHF : 2 ~ 13 (12) UHF : 14 ~ 69 (56) CATV : 1 ~ 125 (125) SOUND OUTPUT SPEAKER 1.3 W 1.3 W+1.
12 ST-BY 5V 6 AC 120V 60Hz 37 40 42 11 SCK AFT RF AGC SCK SDA CVBS SCK I801 DPM001T1 T801 SMPS TRANS 4 6 5 I101 VER. OUT SOUND 12V 27 B C Q403 HOR VER. B+ ON/OFF B 3 2 1 7 SCREEN FOCUS H.V. (VER. B+) 25.5V ABL CRT HEATER A/V JACK (RGB 9V/TUNER 5V) 10V SPEAKER OPTION HEATER VIDEO (200V) 133V Hcp 200V 6 8 9 EXT. VIDEO I901 TDA6103Q VERT. HOR. Q402 HOR. OUT C I401 7805 RGB VCC IF/VIDEO 5V 1 3 I601 TDA7267A 2 4 SOUND 12V EXT.
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 S7 S8 S9 S12 ADJUSTMENT ITEMS Screen Adjustment DATA INITIAL RANGE - - REMARKS 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 20 AGC Point 3.75 - 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) 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. IF CONTROL AUTO RFAGC START VIDEOL 7 RFAGCD 10 FM.LEV 8 AGC POINT 3.
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.
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 = 10 TINT • Fixed value = 27 COLOR • Fixed value = 15 7) FACTORY OUTGOING MODE (S12 : FACT) • If you select the S12, then the set becomes factory outgoing status.
IC DESCRIPTION U-COM(I701) TV ONLY (H) 1 P10 P07 42 POWER ON(H) CABLE (H) 2 P11 P06 41 NC 3 P12 P05 40 AUDIO MUTE(H) 4 P13/PWM1 P04 39 AKB WHITE BLUE BACK 5 P14/PWM2 P03 38 SOUND RESET NC 6 P15/PWM3 P02 37 H.
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 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 8 bits for CGROM. 2) RAM : 512 x 8bits. : 336 x 9bits.(for CRT Display) 3) OSD Function. ¤ Screen Display. ¡ ¤ RAM ¡ : 34 characters x 16 lines.(by software) : 336 words. (9 bits per word) Display area. : 34 words.
IC DESCRIPTION 3) On Screen Displays function is interior designed. 4) Package. : 42 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 : 24C08(I2C Bus) ◊ Apply one byte Read/Write mode. : A/D Input Control.(Power, Ch Up/Down, Vol Up/Down, Menu) : Port Input Option Check. :LA76814(, The only NTSC), LA76810(, 3-system) 4. Function. 1) C. C. D. function.
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.
IC DESCRIPTION 6.
IC DESCRIPTION 17
IC DESCRIPTION 18
IC DESCRIPTION I101 DCT814(LA76814) : 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 VCO FILTER PIF INPUT2 6 49 VCO COIL1 IF GND 7 48 VCO COIL2 IF VCC 8 47 APC 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. VIDEO INPUT(Y IN) OSD RED INPUT 14 41 VIDEO/VER.
IC DESCRIPTION I801 POWER CONTROL MODULE DPM 001 TI KSE 14 13 12 11 10 6 5 4 3 2 1 PIN NO DESCRIPTION PIN NO DESCRIPTION 1 GATE DRIVE1 10 +12V INPUT 2 OCP 11 POWER CONTROL 3 SOURCE 12 NC 4 GND1 13 GND2 5 GATE 14 +133V INPUT 6 GATE DRIVE2 20
TROUBLESHOOTING GUIDE 1. NO POWER FROM FBT 10V Check F801(125V 4A) R416 Check D801(PBS208GU) D801 RLY01 F801 R801 PCW1 L801 Check R801(7W 2.2) TO I101 #34 OCP T801 B+ Check waveform C819 D807 133V C804 C814 R814 Check Voltage 133V C820 R809 L802 TUNER 33V D808 R802 45V D G Q801 FET S Check Voltage R820 C815 C805 DR.TRNS B+ 45V D813 R803 12V R804 C812 R817 SOUND B+ 12V R818 Q805 D812 5.
TROUBLESHOOTING GUIDE 2. NO PICTURE NG : GO to the figure c Check the waveform of I101 #46 OK : Go the figure d c Check the voltages 33V 5V U102 TUNER SF101 SAW FILTER IF OUT T-DATA T-CLOCK Check clock/data signal #29 #30 #5 #14 AFT #3 #10 #8 I701 MICOM Check IF Vcc (5V) Check IF AGC voltage #6 #4 Check RF AGC voltage I101 #27 SDA #28 SCL #11 #12 #10 XC701 32.768KHz ST-BY 5V #11 #46 #44 Check clock/data signal Check the crystal d Z501 4.
TROUBLESHOOTING GUIDE 3. NO SOUND NG : Go to the figure e Check audio output signal of I101 #1 OK : Go to the figure f e 33V 5V U102 TUNER SF101 SAW FILTER IF OUT T-DATA T-CLOCK #29 #30 #5 #14 AFT I101 SDA ST-BY 5V Check SIF output signal #54 If no signal, then change I101 #11 #28 SCL #11 #12 XC701 32.
TROUBLESHOOTING GUIDE 4. CH DON’T STOP NG : Loss of signal or weak signal Check the input signal conditions h OK : Go to the figure g Check 5V/33V LINE 33V 5V U102 TUNER T-DATA T-CLOCK SF101 SAW FILTER IF OUT AGC IN C103 #29 #30 #4 #15 RF AGC OUTPUT Check RF AGC Voltage #14 AFT I701 MICOM #10 I101 Check AFT window Voltage 2.1V~2.5V #27 #28 SDA #11 SCL #12 #49 #48 #10 #11 #12 XC701 32.
TROUBLESHOOTING GUIDE 5. NO COLOR Check C.V.S waveform Check the voltage composite video in #44 #43 Video/Chroma/Deflection Vcc Check the crystal Check the voltage #38 I101 X502 #18 RGB Vcc (9V) R OUT G OUT #19 #20 #21 B OUT Check R/G/B signal 6. NO VERTICAL DEFLECTION Check the voltage #43 Check the voltage (25V) Video/Chroma/Deflection Vcc Vertical IC Vcc (25V) I101 5V #6 C507 X502 #24 C508 Check the voltage ( 2.
ROUBLESHOOTING GUIDE 7. NO ON-SCREEN DISPLAY SDA Check the signal (60Hz) SCL V.SYNC IN #20 H.SYNC IN Check clock/data signal I701 #21 MICOM #22 Check the signal (15,734Hz) #23 #24 #10 #25 #11 #12 XC701 32.768KHz ST-BY 5V OSD R I101 #14 OSD G #15 OSD B #16 BLANK #17 Check OSD R/G/B/BLANK signal Check the crystal If OSD does not operate, then change the I701 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) “I“is a safety part, so it must be used the same part. “2 ”is a recommendable part for essential stock.
ELECTRICAL PARTS LIST LOC I I I PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION C516 CEXF1H229V C ELECTRO 50V RSS 2.2MF (5X11) TP CC154 HCBK103KCA C CHIP CERA 50V X7R 0.01MF K 2012 C517 CMXB1H473J C MYLAR 50V 0.047MF J (TP) CC155 HCBK103KCA C CHIP CERA 50V X7R 0.01MF K 2012 C518 CEXF1H478V C ELECTRO 50V RSS 0.47MF (5X11) TP CC426 HCBK103KCA C CHIP CERA 50V X7R 0.01MF K 2012 C519 CEXF1H478V C ELECTRO 50V RSS 0.
ELECTRICAL PARTS LIST LOC PART CODE PART NAME DESCRIPTION D502 D1N4148--- DIODE 1N4148 (TAPPING) D503 DUZ9R1BM-- DIODE ZENER D504 D1N4148--- DIODE D505 DUZ9R1BM-D701 D1N4148--- LOC PART CODE PART NAME DESCRIPTION L111 58C5580019 COIL CHOKE TRF-9225 (0.55UH) UZ-9.1BM 9.1V L112 5CPZ220K02 COIL PEAKING 22UH K (AXIAL 3.5MM) 1N4148 (TAPPING) L501 58N0000042 COIL VCO TRF-V008 DIODE ZENER UZ-9.1BM 9.1V L502 5CPZ470K04 COIL PEAKING 47UH 10.
ELECTRICAL PARTS LIST LOC PART CODE PART NAME DESCRIPTION R412 RN01B369JS R METAL FILM 1W 3.6 OHM J SMALL R413 RN01B229JS R METAL FILM 1W 2.2 OHM J SMALL R414 RN01B229JS R METAL FILM 1W 2.2 OHM J SMALL R416 RD-2Z121J- R CARBON FILM R418 RN02B150JS R METAL FILM R420 RN02B620JS LOC PART CODE PART NAME DESCRIPTION R822 RD-4Z363J- R CARBON FILM 1/4 36K OHM J R883 DEC7R0M140 POSISTOR ECPAC7R0M140 R888 RC-2Z565KP R CARBON COMP 1/2 5.
ELECTRICAL PARTS LIST LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION RC566 HRFT123JCA R CHIP 1/10 12K OHM J 2012 RC794 HRFT102JCA R CHIP 1/10 1K OHM J 2012 RC567 HRFT103JCA R CHIP 1/10 10K OHM J 2012 RC795 HRFT103JCA R CHIP 1/10 10K OHM J 2012 RC568 HRFT472FCA R CHIP 1/10 4.7K OHM F 2012 RC796 HRFT471JCA R CHIP 1/10 470 OHM J 2012 RC569 HRFT152JCA R CHIP 1/10 1.
ELECTRICAL PARTS LIST THE DIFFERENT PARTS FOR INCH(CN-001A) PART CODE CMYH3C722H CMYH3C752H CMYE2D434J CMYF2D624J PTRTPWH394 PTRTPWJ667 4850708N08 4850708N11 4857027200 7174301011 4856215201 RN01B471JS RN01B561JS RS01Z309JRS02Z229JS RD-4Z103JRD-4Z113JRS01Z688JRS02Z828JS DEC7R0M140 DPC3R0M140 HRFT562JCA HRFT752JCA HRFT273JCA HRFT363JCA 4859303430 4859303530 58D0000082 58D0000087 4850PM0014850PM01048A96220C1 48A96314C3 58G0000078 58G0000141 48519A4710 48519A5110 PART NAME C MYLAR C MYLAR C MYLAR C MYLAR CRT
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-1 - Mon Aug 09 09:48:04 1999
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.
