Daewoo DTC-14D9T Service Manual
Daewoo DTC-14D9T Service Manual

Daewoo DTC-14D9T Service Manual

Chassis: cp-195l
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Service Manual
COLOR Television
CHASSIS :
Model:
DTC-14D9T
DTC-20D9T
DTC-21D9T
DTC-2131TF
Specification
Version
TV Standard
Sound system
Power consumption
Speaker
Teletext system
Aerial Input
Channel coverage
Tuning system
Visual screen size
Channel indication
Program selection
Auxiliary Outpup Terminal
Remote control
Caution
: In this 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.
S/M No. : TCP195LFEF0
CP-195L
Pal multi system
PAL-SECAM B/G, D/K, H, I/I (NTSC : AV Only)
Mono
* 2Speaker
14":57W / 20":66W / 21":73W
7W 8 Ohm
Option
75 Ohm unbalanced
off-air channels, S-cable channels and hyperband
Ferquency synthesiser tuning system
14":34cm
20':48cm
21":51cm
On screen display
200 Programmes
RCA jack : Audio input and Vidio input
ERUO SCART Jack : Audio/Video and R/G/B input.
Sloe and fast swtching, SVHsin
Audio - Video jack on front of cabinet in common
connection with EURO-SCART
Headphone jack on front of cabinet
R-48A02 (None teletext)
AAA Battery type
R-48A01(With teletext)
AAA Battery type
R-44C05(With teletext)
AA Battery type
May. 2006

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Summary of Contents for Daewoo DTC-14D9T

  • Page 1 S/M No. : TCP195LFEF0 Service Manual COLOR Television CHASSIS : CP-195L Model: DTC-14D9T DTC-20D9T DTC-21D9T DTC-2131TF Specification Version Pal multi system TV Standard PAL-SECAM B/G, D/K, H, I/I (NTSC : AV Only) Sound system Mono * 2Speaker Power consumption 14":57W / 20":66W / 21":73W...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY INSTRUCTION SPECIFICATIONS 21 Pin EURO-SCART CIRCUIT BLOCK DIAGRAM ALIGNMENT INSTRUCTIONS 1. Service mode 2. Microcontroller configuration 3. TV SET Alignment SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARD EXPLODED VIEW 9~12 SERVICE PARTS LIST 13~25 APPENDIX (Appendix is provide only by internet [http://svc.dwe.co.kr]) FUNCTIONAL DESCRIPTION IC DESCRIPTION 7~44...
  • Page 3: Safety Instruction

    SAFETY INSTRUCTION WARNING : Only competent service personnel may carry out work involving the testing or repair of this equipment X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such hazards, the high voltage must not exceed the specified limit. The nominal value of the high voltage of this receiver is 22-23 kV (14")or 24-26 kV (20"-21")at max beam current.
  • Page 4: Specifications

    SPECIFICATIONS 21Pin EURO-SCART SIGNAL DESCRIPTION MATCHING VALUE Audio Output Right 0.5 Vrms, Impedance < 1k‰, (RF 54% Mod) Audio Input Right 0.5Vrms, Impedance > 10k‰ Audio Output Left 0.5 Vrms, Impedance < 1k‰, (RF 54% Mod) Audio Earth Blue Earth Audio Input Left 0.5Vrms, Impedance >...
  • Page 5: Circuit Block Diagram

    CIRCUIT BLOCK DIAGRAM...
  • Page 6: Alignment Instructions

    ALIGNMENT INSTRUCTIONS Microcontroller configuration : Service mode To switch the TV set into service mode please see instruction below. 1 - Select pr. number 91 2 - Adjust sharpness to minimum and exit all menu. 3 - Quickly press the key sequence : RED - GREEN - menu 4 - List of service manual item Item Black R...
  • Page 7 ALIGNMENT INSTRUCTIONS 3 - Focus - Adjust the Focus volume ( on FBT ) to have the best resolution on screen. 4 - Vertical geometry - Adjust the Vertical Amplitude, Shift, S-Correction and Slope to compensate for vertical distortion 5 - Horizontal picture centering - Adjust H Shift to have the picture in the center of the screen.
  • Page 11 -10-...
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  • Page 13 MASK FRONT MATERIAL REMARKS PART CODE PART NAME Q’ty Designed by Checked by Inspected by Approved by ASSY NAME UNITS Y.W.KANG S.D.PARK DEVELOPMENT DWG(1/1) SCALE MODEL DTC/DTD-2131 DAEWOO Electronics Corp. 485009JY Mechanical Design Team, TV Research Center REFERENCE CM-907S -12-...
  • Page 14: Service Parts List 13~25

    ELECTRICAL PARTS LIST In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the Caution latest parts information, please refer to PPL(Prats Price List) in Service information Center (http://svc.dwe.co.kr) Caution is a recommendable part for stock.
  • Page 15 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK ZZ290 PTMPMSE248 PCB MAIN MANUAL AS DTC-21D7T C403 CMYH3C822J C MYLAR 1.6KV BUP 8200PF J C407 CMYF2D514J C MYLAR 200V MPP 0.51MF J C801 CL1UC3474M C LINE ACROSS 0.47MF 1J(UCVSNDF/SV)+Q/O C804 CEYD2W151D C ELECTRO 450V FHS 150MF (25X40)
  • Page 16 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK ZZ200 PTMPJ0E248 PCB MAIN (RHU) AS DTC-21D7T C306 CEXF1C331V C ELECTRO 16V RSS 330MF (8X11.5) TP C408 CEXF2E330V C ELECTRO 250V RSS 33MF (13X25) TP C409 CEXF1C331V C ELECTRO 16V RSS 330MF (8X11.5) TP C607 CEXF1E102V C ELECTRO...
  • Page 17 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK R408 RS02Z300JS R M-OXIDE FILM 2W 30 OHM J SMALL R410 RS01Z828J- R M-OXIDE FILM 1W 0.82 OHM J (TAPPING) R805 RS02Z278JS R M-OXIDE FILM 2W 0.27 OHM J SMALL R826 RS02Z470JS R M-OXIDE FILM 2W 47 OHM J SMALL...
  • Page 18 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK C604 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP C702 CEXF1C101V C ELECTRO 16V RSS 100MF (6.3X11) TP C704 CEXF1C470V C ELECTRO 16V RSS 47MF (5X11) TP C706 CXCH1H270J C CERA 50V CH 27PF J (TAPPING) C707 CXCH1H270J...
  • Page 19 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK Q909 T B F 4 2 1 BF421 R301 RN02B229JS R METAL FILM 2W 2.2 OHM J SMALL R409 RN02B229JS R METAL FILM 2W 2.2 OHM J SMALL R827 RN01B300JS R METAL FILM 1W 30 OHM J SMALL SW01 5S50101090...
  • Page 20 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK C902 CCZB1H391K C CERA 50V B 390PF K (AXIAL) C903 CCZB1H391K C CERA 50V B 390PF K (AXIAL) C905 CCZB1H561K C CERA 50V B 560PF K CA01 CCZB1H102K C CERA 50V B 1000PF K (AXIAL) CA02 CCZB1H102K C CERA...
  • Page 21 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK DV01 DUZ5R6BM DIODE ZENER UZ-5.6BM DV04 DUZ5R6BM DIODE ZENER UZ-5.6BM DV05 DUZ5R6BM DIODE ZENER UZ-5.6BM DV06 DUZ5R1BM DIODE ZENER UZ-5.1BM DV07 DUZ5R6BM DIODE ZENER UZ-5.6BM DV08 DUZ5R6BM DIODE ZENER UZ-5.6BM J002 85801060GY WIRE COPPER 1/0.6 TIN COATING...
  • Page 22 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK J043 85801060GY WIRE COPPER 1/0.6 TIN COATING J044 85801060GY WIRE COPPER 1/0.6 TIN COATING J045 85801060GY WIRE COPPER 1/0.6 TIN COATING J046 85801060GY WIRE COPPER 1/0.6 TIN COATING J047 85801060GY WIRE COPPER 1/0.6 TIN COATING J048 85801060GY...
  • Page 23 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK J092 85801060GY WIRE COPPER 1/0.6 TIN COATING JX801 85801060GY WIRE COPPER 1/0.6 TIN COATING L101 5CPZ569K02 COIL PEAKING 5.6UH K (AXIAL 3.5MM) L301 5MC0000100 COIL BEAD HC-3550 L501 5CPZ829K02 COIL PEAKING 8.2UH K (AXIAL 3.5MM) L601 5CPZ100K02...
  • Page 24 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK R517 RD-AZ273J- R CARBON FILM 1/6 27K OHM J R518 RD-AZ221J- R CARBON FILM 1/6 220 OHM J R519 RD-AZ104J- R CARBON FILM 1/6 100K OHM J R520 RD-AZ183J- R CARBON FILM 1/6 18K OHM J R521 RD-AZ391J-...
  • Page 25 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK R715 RD-AZ221J- R CARBON FILM 1/6 220 OHM J R716 RD-AZ181J- R CARBON FILM 1/6 180 OHM J R717 RD-AZ222J- R CARBON FILM 1/6 2.2K OHM J R718 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R719 RD-AZ101J-...
  • Page 26 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK RV02 RD-AZ680J- R CARBON FILM 1/6 68 OHM J RV05 RD-AZ680J- R CARBON FILM 1/6 68 OHM J RV06 RD-AZ101J- R CARBON FILM 1/6 100 OHM J RV07 RD-AZ750J- R CARBON FILM 1/6 75 OHM J RV08 RD-AZ101J-...
  • Page 27: Functional Description

    APPENDIX FUNCTIONAL DESCRIPTION For CP-195L FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR Vision IF amplifier The vision IF amplifier can demodulate signals with positive and negative modulation. The PLL demodulator is completely alignment-free. The VCO of the PLL circuit is internal and the frequency is fixed to the required value by using the clock frequency of the -Controller/Teletext decoder as a reference.
  • Page 28 FUNCTIONAL DESCRIPTION APPENDIX The vertical synchronisation is realised by means of a divider circuit. The vertical ramp generator needs an external resistor and capacitor. For the vertical drive a differential output current is available. The outputs are DC coupled to the vertical output stage.
  • Page 29 FUNCTIONAL DESCRIPTION APPENDIX RGB output circuit and black-current stabilization In the RGB control circuit the signal is controlled on contrast, brightness and saturation. The ICs have a linear input for external RGB signals. The signals for OSD and text are internally supplied to the control circuit. The output signal has an amplitude of about 2 Volts black-to-white at nominal input signals and nominal settings of the various controls.
  • Page 30 FUNCTIONAL DESCRIPTION APPENDIX For SECAM L and L’ the TDA9346/TDA9341 is switched to positive modulation via I2C bus. SECAM L’ transmission only occur in VHF band I and have their picture and sound carrier interchanged, compared to SECAM L and PAL B/G channels.
  • Page 31 FUNCTIONAL DESCRIPTION APPENDIX Fast R, G, B insertion : The external R, G, B insertion needs a fast switching and cannot be controlled by the software (instruction cycle of 1 sec). The fast switching pin 16 of SCART is directly connected to the TV processor pin 45 ( Fast blanking input ).
  • Page 32 FUNCTIONAL DESCRIPTION APPENDIX 5. SECAM L/L’ sound switching circuit. The microcontroller pin 4 is a three levels output. The voltage and configuration of this port is described below : Sound mode Port configuration Voltage Push Pull Internally shorted to ground AM L Push Pull Pull up to 3.3V...
  • Page 33 IC DESCRIPTION APPENDIX TV signal processor-Teletext decoder with embedded -Controller TDA9345 PS-N3; TDA9346 PS-N3 GENERAL DESCRIPTION The TDA9345 and TDA9346 PS-N3 combine the functions of a video processor together with a m-Controller a Teletext decoder and US Closed Caption decoder. The teletext decoder has an internal RAM memory for 1 page (TDA9345) or 10 page (TDA9346) text.The ICs are intended to be used in economy television receivers with...
  • Page 34 IC DESCRIPTION APPENDIX TV signal processor-Teletext decoder with embedded -Controller TDA9345 PS-N3; TDA9346 PS-N3 -Controller Display ¥ 80C51 m-controller core standard instruction set and ¥ Teletext and Enhanced OSD modes timing ¥ Features of level 1.5 WST and US Close Caption ¥...
  • Page 35 IC DESCRIPTION APPENDIX TV signal processor-Teletext decoder with embedded -Controller TDA9345 PS-N3; TDA9346 PS-N3 QUICK REFERENCE DATA SYMBOL PARAMETER MIN. TYP. MAX. UNIT Supply supply voltages 8.0/3.3 supply current (Vp = 8V) supply current (Vp = 3.3V) Input voltages video IF amplifier sensitivity (RMS value) iVIF(rms) external audio input (RMS value) iAUDIO(rms)
  • Page 36 IC DESCRIPTION APPENDIX TV signal processor-Teletext decoder with embedded -Controller TDA9345 PS-N3; TDA9346 PS-N3 BLOCK DIAGRAM...
  • Page 37 IC DESCRIPTION APPENDIX TV signal processor-Teletext decoder with embedded -Controller TDA9345 PS-N3; TDA9346 PS-N3 PINNING SYMBOL DESCRIPTION P1.3/T1 port 1.3 or Counter/Timer 1 input P1.6/SCL port 1.6 or I 2 C-bus clock line P1.7/SDA port 1.7 or I 2 C-bus data line P2.0/TPWM port 2.0 or Tuning PWM output P3.0/ADC0/PWM0...
  • Page 38 IC DESCRIPTION APPENDIX TV signal processor-Teletext decoder with embedded -Controller TDA9345 PS-N3; TDA9346 PS-N3 SYMBOL DESCRIPTION main supply voltage TV processor CVBS1 internal CVBS input ground for TV processor CVBS3/Y CVBS3/Y input chroma input AUDOUT audio output INSSW2 2 nd RGB / YPR PB insertion input R2/PR -IN 2 nd R input / PR input G2/Y-IN...
  • Page 39 IC DESCRIPTION APPENDIX TV signal processor-Teletext decoder with embedded -Controller TDA9345 PS-N3; TDA9346 PS-N3...
  • Page 40 IC DESCRIPTION APPENDIX IC marking and version Chassis IC marking OSD languages TDA 9346PS/N3 English, Russian, Arabic, Melau, Persian, French CP-195L TDA9341PS/N3 Group 1 : English, Arabic, Persian, Russian, French Group 2 : English, Indonesia, Melayu, Thai, Vietnam...
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  • Page 51 IC DESCRIPTION IC DESCRIPTION APPENDIX APPENDIX 24C16 16 Kbit EEPROM features : - 16 Kbit serial I2C bus EEPROM - Single supply voltage : 1.8 V to 6.0 V - 1 Million Erase/Write cycles (minimum) - 100 year data retention (minimum) Pin description Pin No.
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  • Page 71 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : May. 2006...

This manual is also suitable for:

Dtc-20d9tDtc-21d9tDtc-2131tf

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