Beko D5 Service Manual

Dvd-combo tv
Hide thumbs

Advertisement

Quick Links

Service Manual
DVD-COMBO TV
D5

Advertisement

loading

  Related Manuals for Beko D5

  Summary of Contents for Beko D5

  • Page 1 Service Manual DVD-COMBO TV...
  • Page 2: Table Of Contents

    CONTENTS PAGE Safety Instructions Technical Specifications Special Features Remote Control Preperations Operating the TV Block Diagram of D5 Chassis IC Datasheets&Specs Pin Voltages of IC’s Oscillograph of Some IC Electrical and Service Adjustments Channel Frequency Tables Part List Circuit Diagrams...
  • Page 3: Safety Instructions

    1. SAFETY INSTRUCTIONS and each exposed metallic cabinet part on GENERAL GUIDELINES the receiver, such as screw heads, aerials, connectors, control shafts etc. When the 1. It is advised to insert an isolation transformer exposed metallic part a return path to the in the AC supply before servicing a hot chassis the reading should be between chassis.
  • Page 4: Technical Specifications

    2. TECHNICAL SPECIFICATIONS Power source :230-240 VAC, 50Hz Power consumption :55 W Standby power consumption :2 W Aerial impedance :75Ohm, coaxial type Receiving system :PAL BG PAL SECAM BG PAL SECAM BG DK/DK’ PAL SECAM BG LL’ PAL I Receiving channels :VHF BAND I , CH2-4 VHF BAND III , CH5-12...
  • Page 5: Special Features

    3. SPECIAL FEATURES • Automatic tuning system with country selection. • 100 Programme Memory • Available for Cable Channels (A decoder maybe required) • Manual Fine Tuning • Child Lock • Return to the last channel viewed (SWAP) • Surround Sound Effect •...
  • Page 6: Remote Control

    4. REMOTE CONTROL - 6 -...
  • Page 7: Preperations

    5. PREPARATIONS MAIN SUPPLY CONNECTIONS Connect the TV mains plug into your domestic mains socket outlet (230 V 50Hz AC). Press the Program up, Program down button or Numeric Buttons on the remote handset to switch the TV on. AERIAL CONNECTION Using a 75Ω...
  • Page 8: Operating The Tv

    6. OPERATING YOUR TV pressing the VOL- button will increase the TV controls volume without restoring. Programme selection Swap Press the + or - buttons on the TV or Allows you to swap between the remote control or press a Numeric program you are watching and the button to select a programme.
  • Page 9 There are two ways to access the Identify which channel you are watching (BBC SETUP menu: 1, ITV 1 etc.) and decide which program Press the blue Setup button or Press number you want it to be. the TV Menu button and use the Program ▼...
  • Page 10 To exit the SETUP menu press the In the SETUP menu use the Program TV/TX button. ▲/▼ buttons to select FINE TUNING. Use the Volume up and Volume down buttons to fine tune. Automatic tuning (Autoprogram) Enter the SETUP menu as before. When you have finished use the Program ▼...
  • Page 11: Picture Menu

    Sound menu (red button) To save your settings, select STORE and press the OK button. STORED will be displayed. Press the TV Menu button to go back to the previous menu TV transmitters have different sound levels. AVL (automatic volume limiting) maintains the same sound level as you switch from program to program.
  • Page 12: Feature Menu

    Use the Program ▼ button to select LOCK. You can lock as many programs as you USER. S e l e c t B R I G H T N E S want. S , CONTRAST, COLOUR and, Press the button to switch the SHARPNESS using the Program Child lock on or off.
  • Page 13: Block Diagram Of D5 Chassis

    7. BLOCK DIAGRAM OF D5 CHASSIS - 13 -...
  • Page 14: Ic Datasheets&Specs

    8. IC DATASHEETS&SPECS OM 8365 General Description OM8365H combine the functions of a video processor together with a µ-Controller, US Closed Caption decoder and Teletext decoder. The Teletext decoder has an internal RAM memory for 10 page text. The ICs are intended to be used in economy television receivers with 110° picture tubes. The ICs have supply voltages of 8 V and 3.3 V and they are mounted in a QFP 80 envelope.
  • Page 15 µ-Controller • Signal quality detector for video and • 80C51 µ-controller core standard instruction WST/VPS data types • Comprehensive teletext language coverage set andtiming • 1 µs machine cycle • Full Field and Vertical Blanking Interval (VBI) • 64 - 96Kx8-bit late programmed ROM datacapture of WST data •...
  • Page 16 - 16 -...
  • Page 17 - 17 -...
  • Page 18 MSP 34x0G Multistandard Sound Processor Family General Description The MSP 3410G family of single-chip Multistandard Sound Processors covers the sound processing of all analog TV -Standards worldwide, as well as the NICAM digital sound standards. The full TV sound processing, starting with analog sound IF signal-in, down to processed analog AF-out, is performed on a single chip This new generation of TV sound processing ICs now includes versions for processing the multichannel television sound (MTS) signal conforming to the standard recommended by the...
  • Page 19 CXA 2040AQ I2C Bus-Compatible Video Switch General Description The CXA2040AQ is an I2C bus-compatible 5-input,3-output video switch for TVs. Features • Serial data control via I2C bus • 5 composite video input systems • 2 Y/C (S terminal) input systems •...
  • Page 20 TDA8601 RGB/YUV and fast blanking switch Features • YUV/RGB and fast blanking switch • 3-state output • Selectable clamp: – passive (with diodes) or active clamp • Bandwidth greater than 22 MHz • Fully ESD protected • Latch-up free. Applications •...
  • Page 21 TDA 7442 Digitally Controlled Audio Processor Description The TDA7442/42D is volume tone (bass and treble) balance (Left/Right) processors for quality audio applications in TV and Hi-Fi systems. It reproduces surround sound by using a programmable phase shifter. Control of all the functions is accomplished by serial bus.
  • Page 22 TDA7266S 5+5w Dual bridge Amplifier General Description The TDA7266S is a dual bridge amplifier specially designed for TV and Portable Radio applications. o Wıde supply voltage range (3-18v) o Mınımum external components – no swr capacıtor – no bootstrap – no boucherot cells –...
  • Page 23: Pin Voltages Of Ic's

    9. PIN VOLTAGES OF IC’S IC101(OM 8365) TV signal processor-Teletext decoder with embedded m-Controller SYMBOL DESCRIPTION V DC(*) PIN SYMBOL DESCRIPTION V DC(*) P3.1/ADC1 port 3.1 or ADC1 input 3,24(3,21) ground for TV processor 0(0) P3.2/ADC2 port 3.2 or ADC2 input 3,24(3,21) CVBS2 external CVBS2 input...
  • Page 24 IC 301(MSP 34XOG) Multistandard Sound Processor SYMBOL DESCRIPTION V DC(*) PIN SYMBOL DESCRIPTION V DC(*) SC2_OUT_ AUD_CL_OUT Audio clock output (18.432 MHz) 2,54(0,06) SCART output 2, right 3,72(0) Not connected 0(0) 34 SC2_OUT_L SCART output 2, left 3,72(0) Not connected 0(0) 35 VREF1 Reference ground 1...
  • Page 25 10. OSCILLOSGRAPHS OF SOME IC PINS Note : A pattern Generator is connected to the TV (Colour Bar, sound 1 kHZ) 10.1 OM 8365(IC 101) Pin 17 200 mV/div, 10 msn/div, Vpp=1 V, 15625 kHz Pin 16 200 mV/div, 10 msn/div, Vpp=880 mV, 15625 kHz Pin 30 500 mV/div, 50 µsn/div, Vpp=720 mV, 15625 kHz Pin 31 2 mV/div, 25 µsn/div, Vpp=5.84 V, 15625 kHz Pin 40 200 mV/div, 25 µsn/div, Vpp=952 mV, 15625 kHz...
  • Page 26: Oscillograph Of Some Ic

    Pin 56 200 mV/div, 50 µsn/div, Vpp=770 mV, 15625 kHz Pin 57 500 mV/div, 25 µsn/div, Vpp=2.28 V, 15625 kHz Pin 58 500 mV/div, 25 µsn/div, Vpp=2.2 V, 15625 kHz Pin 71 5 V/div, 25 msn/div, Vpp=5.6 V, 15625 kHz Pin 72 5 V/div, 25 msn/div, Vpp=5 V, 15625 kHz - 26 -...
  • Page 27 10.2 MSB 341OG(IC 20) Pin 25 1 V/div, 1 msn/div, Vpp=1.84 V, 1 kHz Pin 26 1 V/div, 1 msn/div, Vpp=1.88 V, 1 kHz Pin 33 100 mV/div, 0.5 msn/div, Vpp=172 mV, 1 kHz Pin 34 100 mV/div, 0.5 msn/div, Vpp=168 mV, 1 kHz - 27 -...
  • Page 28 11. ADJUSTMENTS 11.1. ELECTRICAL ADJUSTMENTS 11.1.1. Supply Voltage Adjustment Connect a digital voltmeter to the cathode of diode D627 at the AV1 mode of the TV and set the screen voltage to the minimum with the screen potentiometer. Adjust the main supply voltage (B+) with P601 potentiometer to the values shown in table below.(after adjustment, readjust Screen voltage).
  • Page 29: Electrical And Service Adjustments

    and lower edges. Re-adjust the “VSLP” in case of the picture appears to be lower or upper. • Adjust vertical position with “VSHT”, vertical linearity with “SCOR” and vertical height with “VAMP”. • Adjust horizontal centering with “HSHT”, parabola with “EWPW” and trapezium with “EWT”.
  • Page 30 F-AV : On when Front-AV is inserted, Off when not. F-SVHS : On when F-SVHS connector is inserted, Off when not. AV ST CURVE : Changes the linearity of volume increase/degrease NTSC : On when NTSC playback is open, Off when not. 11.2.6.
  • Page 31 - 31 -...
  • Page 32: Channel Frequency Tables

    - 32 -...
  • Page 33 InstPoint Object Description Component Statement 302289 DIODE 1N4148 52MM 302289 AQUA CABLE BROWN L=500 500545-AS C-ELA 47UF M 6.3V 11*5 R:5 251487 C02-C03 CC-CHIP 100PF J 50V /1206 NPO 291101 C101-C104 CC-CHIP 56PF J 50V NPO 0805 290561 C105-C106 C-CEA 10NF M 16V Y5P /3.2 52MM AXIAL 208101 C107 EC 47UF 63V 11*6.3 R:5...
  • Page 34: Part List

    InstPoint Object Description Component Statement C401 CC-CHIP 39PF J 50V /0805 NPO 290390 C402 CC-CHIP 56PF J 50V NPO 0805 290561 C404 EC 100UF 16V 11*6 R:5 252112 C405 CC-CHIP 1NF K 50V /0805 X7R 292110 C407 EC 10UF 16V 5*3.5 R:5 251105 C409 CC-CHIP 1NF K 50V /0805 X7R...
  • Page 35 InstPoint Object Description Component Statement IC303 IC KIA7042P AP 4.2V RESET(TAPING) T0-92 458310 IC401 IC-CHIP AT24C08AN-10SI-2.7 (ATMEL) TAPE& 453031-02 IC621 IC KIA278R05PI(TO-220IS-4) 453392 IC627 IC SE110N LF12 453390 IC628 IC OPTOCOUPLER TCET1108G 453450 J628 CFR 2.2K J 1/4W /6 52MM 102227 L102 COIL-CHIP 10UH %20/1206...
  • Page 36 InstPoint Object Description Component Statement R228 RC-CHIP 0R /0805 2*1.25 179001 R233-R234 CFR 220R J 1/4W /3.2 52MM 141223 R235-R236 RC-CIHP 3.3K J 1/10W /0805 172335 R237-R238 RC-CHIP 330R J 1/10W /0805 171332 R243-R256 RC-CHIP 0R /0805 2*1.25 179001 R257 CFR 330R J 1/4W /6 52MM 101331 R258-R259...
  • Page 37 CUSHION DVD-COMBO 21" Z40806 CUSHION SPEAKER 8R9381 S-AV+HP MODULE ASSY 21" DVD -COMBO ZL5130 PAL-SECAM BG-LL / NTSC-PL 14" D5 CHASSIS 14" PS/LL/AV/STX/1S/KL/SV A-OSD UY4110 PAL BG / NTSC-PL 14" D5 CHASSIS-SD 14" P/BG/AV/ST/AV/K GR-A UV2110 D5 CHASSIS-SD 14" PI/AV-ST/TX/1S/AV/K A-OSD UG1110 PAL-I UHF/VHF / NTSC-PL 14"...
  • Page 38 Statement SPEAKER 8R 5W(N)/9W(M) 70X40 ZL8107-AS 14" SPEAKER 8R 7W (NOM:)/10W (MAX) 120X50 7ZY107-AS 21" Pure Flat D5 CRT MODULU 14" DVDTV ZL6165 D5 CRT MODULU 21" DVDTV ZL5165 SMPS ELDOR 14" ST/AVSTEREO DVD-COMBO 050100-EL1 SMPS ELDOR 21" STEREO DVD-COMBO 050101-EL1 FBT 21"...