Instruction/ maintenance manual of the product DTQ-14V5FS/20V4FS Daewoo
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Ser vice Man ual Color T ele vision 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 S/M No.
1 TABLE OF CONTENTS SAFETY PRECAUTIONS .................................................................................................................... 2 PRODUCT SAFTY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCS ................................
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.
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.
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.
5 SPECIFICATIONS MODEL ITEMS DTQ-14/20V1FC DTQ-14V5/20V4FC DTQ-14/20V1FS DTQ-14V5/20V4FS DTQ-14/20V3FS DTQ-14/20U1FS DTQ-14/20U1FSP DTQ-14/20V1FSP DTQ-14V5/20V4FSP REMARKS TV STANDARD NTSC-M POWER INP.
6 BLOCK DIAGRAM U1 02 TUNE R A NTENN A RF INPU T IF I70 1 M ICR OC O MP UT E R P O WE R C H +/- V O L +/ - M ENU OS D BL A NK OS D BL UE OS D GRE EN OS D RE D S T-B Y 5V S DA S CK 27 2 8 25 2 4 23 2 2 8 5 6 S DA S CK SD A SC K 12 11 I7 03 EEPR OM 1 4 15 1 6 17 RF AG C A FT 15 1 4 4 1 0 CV BS Q70 3 1 9 40 2 0 V.
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.
8 ALIGNMENT INSTRUCTIONS Table-B * indicates the items with different settings each of sets 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.
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.
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.
11 ALIGNMENT INSTRUCTIONS • Select Subbrightness item, adjust Subbrightness data value to obtain normal brightness level. • Press the DISPLAY button to memorize the data.
12 IC DESCRIPTION U-COM(I701) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 P10 P11 P12 P13/PWM1 P14/PWM2 P15/PWM3 P16 P17/PWM VS.
13 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.
14 IC DESCRIPTION 3) On Screen Displays function is interior designed. 4) Package. : 42 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. : 24C08(I 2 C Bus) ◊ Apply one byte Read/Write mode.
15 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.
16 IC DESCRIPTION 6. Pin Description.
17 IC DESCRIPTION.
18 IC DESCRIPTION.
19 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.
20 IC DESCRIPTION I801 POWER CONTROL MODULE 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 D.
21 TROUBLESHOOTING GUIDE 1. NO POWER 12V #10 #3 #5 #1 I801 D801 PCW1 F801 L801 R801 R416 RLY01 FROM FBT 10V C804 T801 B+ 133V 45V 12V D807 C814 D808 D813 C815 C812 R814 C820 C819 TO I101 #34 OCP TUNER 33V R820 DR.TRNS B+ 45V SOUND B+ 12V R817 R818 D812 5.
22 TROUBLESHOOTING GUIDE 2. NO PICTURE Check the waveform of I101 #46 NG : GO to the figure c OK : Go the figure d U102 TUNER I701 MICOM XC701 32.768KHz #10 #11 #12 ST-BY 5V #29 #30 Check the crystal .
23 TROUBLESHOOTING GUIDE 3. NO SOUND Check audio output signal of I101 #1 NG : Go to the figure e OK : Go to the figure f U102 TUNER I701 MICOM XC701 32.
24 TROUBLESHOOTING GUIDE 4. CH DON ’ T STOP Check the input signal conditions NG : Loss of signal or weak signal OK : Go to the figure g U102 TUNER I701 MICOM #11 #12 #29 #30 T-DATA T-CLOCK 5V 33V IF OUT #14 AFT #27 #28 SDA SCL h AGC IN XC701 32.
25 TROUBLESHOOTING GUIDE 5. NO COLOR 6. NO VERTICAL DEFLECTION I101 #44 composite video in Check C.V.S waveform #43 Video/Chroma/Deflection Vcc Check the voltage #38 X502 Check the crystal #18 #19 #20.
26 ROUBLESHOOTING GUIDE 7. NO ON-SCREEN DISPLAY 8. REMOTE CONTROL DOES NOT OPERATE I701 MICOM XC701 32.768KHz #10 #11 #12 ST-BY 5V Check the crystal IL701 Remote Control PREAMP ST-BY 5V GND #34 OUT Check the waveform I701 MICOM XC701 32.768KHz #10 #11 #12 ST-BY 5V Check the crystal #24 #25 SDA SCL I101 #16 #17 Check clock/data signal #20 #21 V.
27 ELECTRICAL PARTS LIST LOC PART CODE PART NAME DESCRIPTION ZZ100 48B3738T01 TRANSMITTER REMOCON R-38T01 ZZ110 PTACPWH394 ACCESSORY AS DTQ-14P2FC 10 4850A02510 ANT ROD S3BW216B (L=600 MM) 30 486A716200 BATTERY AAAM 1.
28 C516 CEXF1H229V C ELECTRO 50V RSS 2.2MF (5X11) TP C517 CMXB1H473J C MYLAR 50V 0.047MF J (TP) C518 CEXF1H478V C ELECTRO 50V RSS 0.47MF (5X11) TP C519 CEXF1H478V C ELECTRO 50V RSS 0.
29 D502 D1N4148--- DIODE 1N4148 (TAPPING) D503 DUZ9R1BM-- DIODE ZENER UZ-9.1BM 9.1V D504 D1N4148--- DIODE 1N4148 (TAPPING) D505 DUZ9R1BM-- DIODE ZENER UZ-9.1BM 9.1V D701 D1N4148--- DIODE 1N4148 (TAPPING) D703 DLH2PR---- LED BLOCK LH-2P-R D704 DUZ3R9B--- DIODE ZENER UZ-3.
30 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 1/2 120 OHM J R418 RN02B150JS R METAL FILM 2W 15 OHM J SMALL R420 RN02B620JS R METAL FILM 2W 62 OHM J SMALL R425 RD-4Z752J- R CARBON FILM 1/4 7.
31 RC566 HRFT123JCA R CHIP 1/10 12K OHM J 2012 RC567 HRFT103JCA R CHIP 1/10 10K OHM J 2012 RC568 HRFT472FCA R CHIP 1/10 4.7K OHM F 2012 RC569 HRFT152JCA R CHIP 1/10 1.5K OHM J 2012 RC570 HRFT103JCA R CHIP 1/10 10K OHM J 2012 RC571 HRFT272JCA R CHIP 1/10 2.
32 THE DIFFERENT PARTS FOR INCH(CN-001A) THE DIFFERENT PARTS LIST PART CODE PART NAME PART DESCRIPTION LOC 14" INCH 20" INCH CMYH3C722H C MYLAR 1.6KV BUP 7200PF H C404 1 0 CMYH3C752H C MYLAR 1.6KV BUP 7500PF H C404 0 1 CMYE2D434J C MYLAR 200V PU 0.
33 EXPLODED VIEW 1. DTQ-14V1FS.
34 EXPLODED VIEW 2. DTQ-14V3FS.
35 EXPLODED VIEW 3. DTQ-14V5FC / FS.
36 EXPLODED VIEW 4. DTQ-14U1FS.
37 EXPLODED VIEW 5. DTQ-20V1FS.
38 EXPLODED VIEW 6. DTQ-20V3FS.
39 EXPLODED VIEW 7. DTQ-20V4FS.
40 EXPLODED VIEW 8. DTQ-20U1FS.
41 9. DTQ-14V6 EXPLODED VIEW.
-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.
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