Daewoo DTQ-14V6NB/14V6NP user manual

User manual for the device Daewoo DTQ-14V6NB/14V6NP

Device: Daewoo DTQ-14V6NB/14V6NP
Category: CRT Television
Manufacturer: Daewoo
Size: 2.7 MB
Added : 7/2/2013
Number of pages: 44
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

S/M No. : CN001A-020R1
Service Manual
(Revision-1)
Color Television
CHASSIS : CN-001A
Model :
DTQ-14V1FC/20V1FC
U.S.A
DTQ-14V5FC/20V4FC
Canada
DTQ-14V1FS/20V1FS
DTQ-14V5FS/20V4FS
America
DTQ-14V3FS/20V3FS
(AC 110V)
DTQ-14U1FS/20U1FS
DTQ-14V6NB/14V6NP
DTQ-14V6FCB/14V6FCP
DTQ-14V6FBB/14V6FPP
DTQ-14V1FSP/20V1FSP
DTQ-14V5FSP/20V4FSP
Mexico,Chile,
DTQ-14U1FSP/20U1FSP
Peru (AC 220V)
DTQ-14V6NBP/14V6NPP
DTQ-14V1FC DTQ-20V4FC
DTQ-14V3FC
DTQ-14V5FC DTQ-14U1FS
4 Caution

Summary of the content on the page No. 2

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 ...............................................................................................................................

Summary of the content on the page No. 3

PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO - VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- TURER'S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PERSON- THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANT RESULT- NEL COVER THE SUBJECT OF X-RADIATION. THE ONLY POTENTIAL ING PROPERTY DAMAGE OR USER INJURY. SOURCE OF

Summary of the content on the page No. 4

PRODUCT SAFETY SERVICING GUIDELINES FOR COLOR TELEVISION RECEIVERS CAUTION : Do not attempt to modify this product in any way. Unau- GRAPHIC SYMBOLS : thorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. The lightning flash with arrowhead symbol, Service work should be performed only after you are thoroughly within an equilateral triangle, is intended to alert familiar with all of the following safety checks

Summary of the content on the page No. 5

4. Wall and shelf mounted installations using a commercial mounting SUBJECT : IMPLOSION kit, must follow the factory approved mounting instructions. A 1. All direct viewed picture tubes are equipped with an integral implo- receiver mounted to a shelf or platform must retain its original sion protection system, but care should be taken to avoid damage feet(or the equivalent thickness in spacers) to provide adequate are flow across the bottom, bolts or screws used for fasteners during installation

Summary of the content on the page No. 6

SPECIFICATIONS DTQ-14/20V1FC MODEL DTQ-14V5/20V4FC DTQ-14/20V1FSP DTQ-14/20V1FS DTQ-14/20U1FS DTQ-14/20U1FSP REMARKS DTQ-14V5/20V4FSP ITEMS DTQ-14V5/20V4FS DTQ-14/20V3FS TV STANDARD NTSC-M POWER INPUT AC 120V 60 Hz AC 220V 50/60 Hz 14 = 55W POWER CONSUMPTION 20 = 65W TUNING SYSTEM Frequency Synthesizer ( FS ) Tuning System VHF : 2 ~ 13 (12) TUNING RANGES UHF : 14 ~ 69 (56) ~ 125 (125) SOUND OUTPUT 1.3 W 1.3 W+1.3 W 1.3 W SPEAKER 3 W 8 ohm ANTENNA INPUT 75 ohm Unba

Summary of the content on the page No. 7

BLOCK DIAGRAM R L E B T K A R K A . N C E C N R S V . ) O E P A E I U V J H E T 5 S T C A R R O P V / E C E F N O H S A U R ) T + ) E / O V B V 2 V T V . 2 V E 9 A 0 Q A 5 R p 7 1 9 8 7 3 V . D 0 B 3 E c I E 3 0 5 6 O G O 2 V 1 D I 0 V H 1 V ( H 1 2 ( 2 1 R 0 E 1 0 1 ( 7 N D 0 6 6 6 0 D 9 I A U U I I A 2 A V D O D T . . 4 3 S 1 2 3 T T T X X E E . E C . T T 5 . 1 R R C 0 U z 0 O E R V 8 4 1 P H V H I M E 7 T N ) 0 I A S . M V C V U 5 / R U A 5 5 C 2 D Z . O N O T O ( B N 0 U 4 I /

Summary of the content on the page No. 8

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. ® ® ® • Then, the screen will appear as follows. S2 SCRN S5 IFC S6 GEO S8 W/B S9 DP

Summary of the content on the page No. 9

ALIGNMENT INSTRUCTIONS Table-B DATA MODE ADJUSTMENT ITEMS REMARKS INITIAL RANGE S2 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 S5 FM Level (FM.LEV) 8 0 ~ 31 Must be set to 20 AGC Point 3.75 - 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.POSI) * 0 ~ 63 Align vertical DC bias, using internal

Summary of the content on the page No. 10

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 3.75 A/D VALUE : 8DH ¡ãå ¡ MOVE ¸ ¢ ¢º ADJUST RECALL : SET • Select RFAGCD item, press the volu

Summary of the content on the page No. 11

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. RD 58 GD 10 BD 65 RB 105 GB 160 BB 100 ¡ã ¡å MOVE ¢¸ ¢º 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

Summary of the content on the page No. 12

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. • You can see the OSD “outgoing OK” 11

Summary of the content on the page No. 13

IC DESCRIPTION U-COM(I701) 1 42 TV ONLY (H) P10 P07 POWER ON(H) 2 41 CABLE (H) P11 P06 NC 3 40 ST / MONO P12 P05 AUDIO MUTE(H) 4 39 P13/PWM1 P04 AKB WHITE 5 38 BLUE BACK P14/PWM2 P03 SOUND RESET H.OUT 6 37 NC P15/PWM3 P02 ON(L)/OFF(H) 7 36 AUTO TINT P16 P01 POWER ON 8 35 NC P17/PWM P00 ST-BY(H) 9 34 VSS P73/INT3/TOIN REMOCON IN 10 33 XT1 P72/INT2/TOIN NC 11 32 XT2 P71/INT1 NC 12 31 VDD P70/INT0 NC 13 30 KEY IN P84/AN4 P63/SCLK1 T-CLOCK 14 29 AFT IN P85/AN5 P62/SDA1 T-DATA 15 28 P86/AN6 P61/SCLK0

Summary of the content on the page No. 14

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. : 34 characters x 16 lines.(by software) ¡¤ RAM : 336 words. (9 b

Summary of the content on the page No. 15

IC DESCRIPTION 3) On Screen Displays function is interior designed. 4) Package. : 42 PIN SDIP. 2 5) Tuner (Pre-scaler.) : I C Bus. /PLL IC : TAU 6014-S(SIEMENS). 6) Remocon. : The IC of Transmission (MITSUBISHI M50560) 2 2 7) E PROM. : 24C08(I C Bus) ◊ Apply one byte Read/Write mode. 8) 6-Local Key. : A/D Input Control.(Power, Ch Up/Down, Vol Up/Down, Menu) 9) Option S/W : Port Input Option Check. 10) IF/V/C/D IC :LA76814(, The only NTSC), LA76810(, 3-system) 4. Function. 1) C. C. D. function.

Summary of the content on the page No. 16

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.-----------------------------------------------(Option) - 3-Language (No

Summary of the content on the page No. 17

IC DESCRIPTION 6. Pin Description 16

Summary of the content on the page No. 18

IC DESCRIPTION 17

Summary of the content on the page No. 19

IC DESCRIPTION 18

Summary of the content on the page No. 20

IC DESCRIPTION I101 DCT814(LA76814) : IC VIDEO PROCESSOR 1 2 3 4 5 6 7 8 9 19 FBP INPUT HORIZONTAL OUTPUT 28 27 VCO IREF HOR. AFC FILTER 29 26 CLOCK(4MHz) OUTPUT HOR./BUS VCC 30 25 CCD VCC RAMP ALC FILTER 31 24 CCD FILTER VERTICAL OUTPUT 32 23 CCD/HOR. GND B.AKB INPUT 33 22 X-RAY INPUT BLUE OUTPUT 34 21 GREEN OUTPUT 35 20 CHROMA AFC2 FILTER RED OUTPUT 36 19 fsc OUTPUT RGB VCC 37 18 3.58 CRYSTAL FAST BLANKING INPUT 38 17 CHROMA AFC1 FILTER OSD BLUE INPUT 39 16 VIDEO OUTPUT OSD GREEN INPUT 40 15 V


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