Daewoo DTQ-20D5FSN Скачать руководство пользователя страница 46

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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

32.768KHz

#10

#11 #12

ST-BY

#29

#30

Check

the crystal

T-DATA

T-CLOCK

33V

IF OUT

#14

AFT

#27

#28

SDA

SCL

I101

SF101

SAW FILTER

#10

#11

#12

Check

IF Vcc (5V)

Check

clock/data signal

Check

IF AGC voltage

I601

TDA7266S

#3, #13

#52

#54

Check

SIF output signal

If no signal,
then change I101

Check

SIF input signal

Check

FM filter circuit

Check

Vcc of the sound AMP

R601

C681

SOUND

12V

C682

Audio L - in

Check

audio signal in

C605

L out

Check

audio signal out

Q601

Micom #40
Audio MUTE
H:Mute L:Normal

C683

Check

L:Mute / H:Normal

APPENDIX

TROUBLESHOOTING GUIDE

#12

C684

Audio R - in

C605

R out

earphone

#14

3-1. CN-220N CHASSIS

All manuals and user guides at all-guides.com

all-guides.com

Содержание DTQ-20D5FSN

Страница 1: ...VHF 2 13 12 UHF 14 69 56 A W A 5 A 1 W 1 W 84 SOUND OUTPUT 5W 5W SPEAKER 8 ohm 5W x 2EA ANTENNA INPUT IMPEDANCE 75 ohm Unbalanced AUXILIARY INPUT TERMINAL Front Video Audio Earphone Rear Video Audio...

Страница 2: ...VIEW 13 PRINTED CIRCUIT BOARD 15 SERVICE PARTS LIST 16 The Different Parts List 23 APPENDIX Appendix is provided only by internet http svc dwe co kr IC DESCRIPTION 1 Trouble Shooting Guide 11 1 No Pow...

Страница 3: ...cture tube before handling the tube The picture tube is highly evacuated and if broken glass fragments will be violently expelled 2 If any Fuse in this TV receiver is blown replace it with the FUSE sp...

Страница 4: ...UND OUTPUT 5W 5W SPEAKER 8 ohm 5W x 2EA ANTENNA INPUT IMPED ANCE 75 ohm Unbalanced AUXILIARY INPUT TERMI NAL Front Video Audio Earphone Rear Video Audio R L INTERMEDIATE FREQUEN CIES Picture IF Carrie...

Страница 5: ...H 69 CATV VHF L 5A A B A 5 A 1 CH 2 CH 6 VHF H C W 11 CH 7 CH 13 UHF W 12 W 84 SOUND OUTPUT 5W 5W SPEAKER 8 ohm 5W x 2EA ANTENNA INPUT IMPEDANCE 75 ohm Unbalanced AUXILIARY INPUT TERMINAL Front Video...

Страница 6: ...SOUND AMP TDA7266 IF DET OUT TRAP BPF 5V 9V 5V X OCP 133V RAY SOUND 12V 5V 33V VERTICAL LA7841 HOR OUTPUT 2SC5386 DEFLECTION YOKE 9V 5V EARPHONE A V IN 2 RF 220V PIP IC SDA9388 CVS SCL RGB SDA A V IN...

Страница 7: ...MTS Use this button to select one mode of Mono Stereo or SAP 9 PREVIOUS Use this button to return previous channel you were watching 10 PIP Use this button to turn PIP on off 11 STILL Use this button...

Страница 8: ...to enter in the service mode you wish to adjust 2 How to memorize the adjusted values in the service mode Must press DISPLAY button the state which the screen is displaying each of service menus afte...

Страница 9: ...rtical DC bias using internal cross pattern S7 Vertical Size V SIZE 0 127 Align vertical amplitude using internal cross pattern S7 NO SD POWER OFF YES Automatically turn off in 15min for no received s...

Страница 10: ...the screen is changing like this Using the volume up or down button select internal cross pattern Select service adjustment S6 You can see the OSD as shown in below 4 1 Horizontal Position Adjustment...

Страница 11: ...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 P ADJUSTMENTS S9 SUBBRIGHTN...

Страница 12: ...ightness 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 become...

Страница 13: ...All manuals and user guides at all guides com...

Страница 14: ...13 12 9 PC BK 1 4856013302 2 1 CR T2 0 4856215402 1 5 TT2 TRS 4X14 MFZN BK 7172401412 4 1 1 1 4945801 5541201 4851915401 HIPS BK 4854945801 1 1 1 1 1 1 2 8 7128301212 1 HIPS BK 4852073601 HIPS BK 485...

Страница 15: ...1 1 1 1 1 1 T2S TRS 4X14 MFZN 6 7122401411 8 T2S TRS 3X12 MFZN 7128301211 A1050P H24 T2 0 4855615900 1 SWPA PIE 0 5 4856716000 ABS BK HIPS BK HIPS BK 4854945901 4852156201 4852067101 4854856601 48523...

Страница 16: ...15 PRINTED CIRCUIT BOARD All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 17: ...PB 63 47 S63S 1320 0 0164 30 FLUX SOLDER JS 64T3 0 0059 40 FLUX SOLVENT IM 1000 0 0037 C403 C CERA 500V B 0 01MF K 1 C404 C MYLAR 1 6KV BUP 6600PF H 1 C406 C MYLAR 200V PU 0 51MF J 1 C801 C LINE ACRO...

Страница 18: ...C669 C CHIP CERA 50V X7R 470PF K 2012 1 CC670 C CHIP CERA 50V X7R 470PF K 2012 1 CC671 C CHIP CERA 50V X7R 0 01MF K 2012 1 CC752 C CHIP CERA 50V CH 18PF J 2012 1 CC753 C CHIP CERA 50V CH 18PF J 2012 1...

Страница 19: ...IP 1 10 470 OHM J 2012 1 RC752 R CHIP 1 10 470 OHM J 2012 1 RC755 R CHIP 1 10 4 7K OHM J 2012 1 RC756 R CHIP 1 10 4 7K OHM J 2012 1 RC758 R CHIP 1 10 4 7K OHM J 2012 1 RC759 R CHIP 1 10 4 7K OHM J 201...

Страница 20: ...PIN DA IB0214 D2 3 DY PIN 1 R301 R M OXIDE FILM 1W 560 OHM J TAPPING 1 R302 R M OXIDE FILM 1W 470 OHM J TAPPING 1 R303 R M OXIDE FILM 1W 1 2 OHM J TAPPING 1 R305 R M OXIDE FILM 1W 330 OHM J TAPPING 1...

Страница 21: ...PEAKING 56UH J RADIAL 1 L203 COIL PEAKING 56UH J RADIAL 1 L652 COIL PEAKING 56UH J RADIAL 1 L805 COIL CHOKE AZ 9004Y 940K TP 1 L901 COIL PEAKING 180UH J RADIAL 1 Q201 TR KTC3198Y 1 Q401 TR KSC2330Y TP...

Страница 22: ...TIN COATING 0 05 J211 WIRE COPPER AWG22 1 0 65 TIN COATING 0 05 J220 WIRE COPPER AWG22 1 0 65 TIN COATING 0 05 J221 WIRE COPPER AWG22 1 0 65 TIN COATING 0 05 J222 WIRE COPPER AWG22 1 0 65 TIN COATING...

Страница 23: ...AXIAL 3 5MM 1 L112 COIL PEAKING 22UH K AXIAL 3 5MM 1 L502 COIL PEAKING 47UH 10 5MM K LAL04TB 1 L503 COIL PEAKING 15UH K AXIAL 3 5MM 1 L533 COIL PEAKING 15UH K AXIAL 3 5MM 1 L601 COIL PEAKING 4 7UH K...

Страница 24: ...5 TP CEXF1V331C 35V RUS 330MF 10X20 TP CEXF1V331C 35V RUS 330MF 10X20 TP CEXF1V331C 35V RUS 330MF 10X20 TP C790 C ELECTRO CEXF1C221V 16V RSS 220MF 8X11 5 TP CEXF1C101V 16V RSS 100MF 6 3X11 TP CEXF1C1...

Страница 25: ...1MF Z 2012 CC663 C CHIP CERA HCFK104ZCA 50V Y5V 0 1MF Z 2012 CC665 C CHIP CERA HCFK104ZCA 50V Y5V 0 1MF Z 2012 CC666 C CHIP CERA HCBK471KCA 50V X7R 470PF K 2012 CC667 C CHIP CERA HCBK103KCA 50V X7R 0...

Страница 26: ...801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING J684 WIRE COPPER 85801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING 85801...

Страница 27: ...412 R M OXIDE FILM RS01Z519J 1W 5 1 OHM J TAPPING RS01Z369J 1W 3 6 OHM J TAPPING RS01Z369J 1W 3 6 OHM J TAPPING RS01Z369J 1W 3 6 OHM J TAPPING R612 R M OXIDE FILM RS02Z390JS 2W 39 OHM J SMALL R651 R C...

Страница 28: ...012 HRFT000 CA 1 10 0 OHM 2012 RC603 R CHIP HRFT822JCA 1 10 8 2K OHM J 2012 RC604 R CHIP HRFT822JCA 1 10 8 2K OHM J 2012 RC651 R CHIP HRFT102JCA 1 10 1K OHM J 2012 RC652 R CHIP HRFT102JCA 1 10 1K OHM...

Страница 29: ...41T4 50M3541T2 TSM 3541T2 50M3541T6 TSM 3541T6 V01 COIL DY 58D0000083 ODY M2050 58D0000082 ODY M1489 58D0000082 ODY M1489 58D0000082 ODY M1489 V901 CRT BARE 48A96820P2 A48JLL91X P 48A96314C3 A34KQV42X...

Страница 30: ...6KV BUP 1500PF J TP CMXH3C152J 1 6KV BUP 1500PF J TP CMXH3C152J 1 6KV BUP 1500PF J TP C806 C MYLAR CMXM2A122J 100V 1200PF J TP CMXM2A102J 100V 1000PF J TP CMXM2A102J 100V 1000PF J TP CMXM2A102J 100V...

Страница 31: ...0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING J530 WIRE COPPER 85801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0 65 TIN COATING 85801065GY AWG22 1 0...

Страница 32: ...ON FILM RD 4Z201J 1 4 200 OHM J RD 4Z201J 1 4 200 OHM J RD 4Z201J 1 4 200 OHM J RD 4Z201J 1 4 200 OHM J R801 R CEMENT RX10T339J 10W 3 3 OHM J TRIPOD RX10T229KS 10W 2 2 OHM K TRIPOD SMAL RX10T229KS 10W...

Страница 33: ...5 R CHIP HRFT000 CA 1 10 0 OHM 2012 HRFT000 CA 1 10 0 OHM 2012 HRFT000 CA 1 10 0 OHM 2012 HRFT000 CA 1 10 0 OHM 2012 RC755 R CHIP HRFT472JCA 1 10 4 7K OHM J 2012 RC758 R CHIP HRFT472JCA 1 10 4 7K OHM...

Страница 34: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC All manuals and user guides at all guides com...

Страница 35: ...AN7 RES FILT CVIN VS HS R G B BL I P60 SDA0 P61 SCLK0 P62 SDA1 P63 SCLK1 P70 INT0 P71 INT1 P72 INT2 TOIN P73 INT3 TOIN P00 P01 P02 P03 P04 P05 P06 P07 TV ONLY H CABLE H ST MONO BLUE BACK NC AUTO TINT...

Страница 36: ...ytes Various characters attributes Character colors 16 colors Character background colors 16 colors Fringe shadow colors 16 colors Full screen colors 16 colors Rounding Underline Italic character slan...

Страница 37: ...nel AIR 2 69CH CABLE 1 125CH AFT Operation Fine Tuning 2 5Fn 2 5MHz AIR CABLE STD HRC IRC Only Cable 5 6CH is that AFT range is cover over broad band 2 5MHzFn 3 5MHz Memorize Channels If a channel is...

Страница 38: ...terface I 2C Bus Control CH 6 TRAP Function IS 31 PLL IC Band Data Control Byte 2 P3 P0 VHF L 1 VHF H 2 CH6 TRAP 5 IS 31 AIR Cable CH 6 Only UHF 8 5 The Table of Option and Schedule Model Name Pin Opt...

Страница 39: ...17 PWM PWM Cn 220 only The 8 pin is a spare pin Pin 1 to Pin 8 8 bit input output port Input Output can be specified in a bit Ohter function This use cn220 but don t use cn001 9 VSS GND GND Negative p...

Страница 40: ...nal input terminal 22 R R Red output terminal of RGB image 23 G G Green output terminal of RGB image 24 B B Blue output terminal of RGB image 25 BL BL Fast blanking control signal Switch TV image sign...

Страница 41: ...Beam Hihg 5V Output 40 P05 Audio Mute Use only read data of LA76814 10 41 P06 Vudio White Use when TV set turns off 42 P07 Power Use when dose power off on Power Off Output Low DC 0V Power on Output H...

Страница 42: ...PUT BLUE OUTPUT B AKB INPUT VERTICAL OUTPUT RAMP ALC FILTER HOR BUS VCC HOR AFC FILTER HORIZONTAL OUTPUT AUDIO OUT FM OUTPUT PIF AGC RF AGC OUT PIF INPUT1 PIF INPUT2 IF GND IF VCC FM FILTER AFT OUTPUT...

Страница 43: ...rameter Test Condition Min Typ Max Unit Vcc Supply Range 3 11 18 V Iq Total Quiescent Current 50 65 mA Vos Output offest Voltage 120 mV Po Output Power THD 10 6 3 7 W THD Total Harmonic Distortion Po...

Страница 44: ...1 2 3 Q804 C820 C819 TO I101 34 OCP TUNER 33V DR TRNS B 45V SOUND B 12V R817 R819 D812 5 6Vz Q805 1 12V 4 2 3 C706 133V ST BY 5V 133V 2 1 6 3 R802 R813 I801 L811 C802 C807 C850 Check F801 125V 4A Che...

Страница 45: ...01 SAW FILTER 5 6 10 8 11 12 Check IF Vcc 5V Check clock data signal Check clock data signal 3 4 Check IF AGC voltage Check RF AGC voltage 46 44 Z501 4 5M Trap Check the waveform c I101 44 Z501 C525 C...

Страница 46: ...IF AGC voltage e I601 TDA7266S 3 13 4 f 52 54 Check SIF output signal If no signal then change I101 Check SIF input signal 9 5V Check FM filter circuit Check Vcc of the sound AMP R601 C681 SOUND 12V C...

Страница 47: ...ltage e I601 TDA7267A 1 4 f 52 54 Check SIF output signal If no signal then change I101 Check SIF input signal 9 5V Check FM filter circuit Check Vcc of the sound AMP R601 C602 SOUND 12V C603 Audio in...

Страница 48: ...TA T CLOCK 5V 33V IF OUT 14 AFT 27 28 SDA SCL h AGC IN XC701 32 768KHz 10 ST BY 5V Check the crystal I703 EEPROM 8 ST BY 5V 5 6 SDA SCL Check SDA SCL Check 5V 33V LINE 15 C103 Check RF AGC Voltage Che...

Страница 49: ...e voltage R OUT G OUT B OUT Check R G B signal 43 Video Chroma Deflection Vcc Check the voltage X502 24 C507 C508 V RAMP ALC filter 5V Check the voltage 2 5V I301 LA7841 23 Vertical output 6 Vertical...

Страница 50: ...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 SYNC IN H SYNC IN Check the signal 60Hz Check the...

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