Beko V30 Service Bulletin
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Beko V30 Service Bulletin

Beko V30 Service Bulletin

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  • Page 2 ? ? The part number of FBT is actually 058838(28”) and 058238(32”) in SPPL. So, if you order with those part number, Beko will deliver Eldor FBT automatically. « FILE THIS SERVICE BULLETIN WITH YOUR SERVICE MANUAL « I/C : INTERCHANGEABILITY CODE...

  • Page 3: Table Of Contents

    CONTENTS PAGE Safety Instructions Technical Specifications Pin Voltages of IC’s Pin Voltages of Some Transistors Oscillograms Electrical and Service Adjustments Trouble Shooting Guide Parts List Circuit Diagram PIP Module Circuit Diagrams Attached 27/05/2002, Version 2...

  • Page 4: Safety Instructions

    SAFETY INSTRUCTIONS GENERAL GUIDELINES connectors, control shafts etc. When the exposed metallic part a return path to the 1. It is advised to insert an isolation transformer chassis the reading should be between in the AC supply before servicing a hot 4Mohm 20Mohm.

  • Page 5: Technical Specifications

    TECHNICAL SPECIFICATIONS Power source: 220-240 VAC, 50-60Hz Power consumption (max.) 120 W 21” Pure Flat 125 W 25”, 28” Mono 145 W 25”, 28” 4/3, 29” Pure Flat 140 W 29” Super Flat 150 W 28” 16/9 Super Flat 155 W 28”...
  • Page 7 IC 301 (MSP 3400G) MULTI STANDARD SOUND PROCESSOR Connection V DC Connection V DC 1 Not connected 33 Scart 2 sound output (R) 2 Gnd 34 Scart 2 sound output (L) 3 Gnd 35 Reference analog ground 4 Digital control input/output 36 Scart 1 sound output (R) 5 Digital control input/output 37 Scart 1 sound output (L)

  • Page 9: Pin Voltages Of Some Transistors

    PIN VOLTAGES OF SOME TRANSISTORS 1. PH601 (PC127FY) PHOTOCOUPLER 2. T603 (BC848) NPN Standby VDC ON VDC Standby VDC TV ON VDC 12.5 11.5 T603 0.6 0.02 12.3 3. T604 (BC848) NPN 4. T605 (BC848) NPN Standby VDC TV ON VDC Standby VDC TV ON VDC T604...

  • Page 10: Oscillograms

    OSCILLOSGRAPHS OF SOME IC PINS Note: TV is connected to a patern generator (Colour bar, sound 1 kHz). 1. IC101 (TDA956X) Pin 30 Pin 31 2V/div, 20 usn/div, Vpp=4.9 V, 15625 kHz 2V/div, 20 usn/div, Vpp=5.6 V, 15625 kHz Pin 38 Pin 40 2V/div, 20 usn/div, Vpp=2.9 V, 15625 kHz 500 mV/div, 20 usn/div, Vpp=1.2 V, 15625 kHz...

  • Page 11: 500 Mv/Div, 10 Msn/Div, Vpp=1.4 V, 50Hz

    Pin 58 Pin 71 500 mV/div, 20 usn/div, Vpp=2.4 V, 15625 kHz 2 V/div, 1 msn/div, Vpp=5.2 V Pin 72 2 V/div, 1 msn/div, Vpp=5.2 V 2. IC301 (MSP34XX) Pin 28 Pin 29 500 mV/div, 1 msn/div, Vpp=1.8 V 500 mV/div, 1 msn/div, Vpp=1.8 V 3.
  • Page 12 Pin 7 500 mV/div, 10 msn/div, Vpp=44.6 V, 50Hz 4. T501 (2SK2381) Gate (EW drive) Drain (EW drive) 200 mV/div, 50 usn/div, Vpp=268 mV, 15625 Hz 2 V/div, 10 usn/div, Vpp=10.7 V, 50 Hz...

  • Page 13: Electrical And Service Adjustments

    1. ELECTRICAL ADJUSTMENTS 1.1. Supply Voltage Adjustment Connect a digital voltmeter to the cathode of diode D611 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 following value (after adjustment, readjust Screen voltage).
  • Page 14 2.2. Screen Adjustment Adjustment is change according to SW versions. New SW versions start from SB8643_A05, SB8643_B04, SB8643_C04, SB8643_D04, SB8645_A05, SB8645_B04, SB8645_C03 and SB8645_D04. • If CRT brand is Philips and SW is old version, then Set Brightness value to “00” in the Picture menu and store.
  • Page 15 TXT table : West (West Europe), East (East Europe), Cyrillic, Arabic, Hebrew, Greek A type SW includes East, West, Greek. B type SW includes East, West, Cyrillic, Arabic. C type SW includes East, West, Cyrillic, Hebrew. D type SW includes East, West, Cyrillic. Hotel : On (Hotel Mode), Off (TV Mode) Subwoofer...
  • Page 16 2.7 Software Versions During exit from service menu, the software version and feature options (hexadecimal number) are shown on the screen. For example: SB8643_X05, C697H. Stereo software versions of 14.2 are named as follows: SB8643_X.. for TDA9563 (intercarrier) SB8645_X.. for TDA9565 (QSS) Mono Software versions are named as follows: SC3325-X..

  • Page 17: Trouble Shooting Guide

    POWER SUPPLY DEFECTS (I) Note: 1. All values in the diagrams are for 230 VAC mains supply. 2. Before replacing T601, check following components: R640, R604, R605, R609, C615. 3. Burst type standby mode was designed (Fixed frequency is 21.5 kHz for standby and 38.8 kHz for normal operation) .
  • Page 18 POWER SUPPLY DEFECTS (II) No operation Stand-by Voltages OK Check 4.2 VDC at pin 6 of IC101 Check connection to R409 and R641 Switch on the TV set. Check voltage 0.05 V pin Check the voltage 3.3 V 6 of IC101 and 0.28 V at R439 at pins 59, 66 of IC101 and pin 8 of IC402 Check and replace IC101 POWER SUPPLY DEFECTS (III)
  • Page 19 POWER SUPPLY DEFECTS (IV) When TV is on, voltages 145V,15V,11.8V, 3.3V, 8V, 5V, 28V are not at their proper values +B voltage is around 160V instead of 145V. Check and replace T607, R625, R645, PH601, ZD602. +B voltage is 20-80V instead of 145V. There should be 14 VAC at R612 and 11.8 VDC at cathode of D614.
  • Page 20 PICTURE AND COLOUR DEFECTS No picture Raster OK Check the tuner pin voltages. Check the Check video out signal at pin 38 of IC101 voltage 3.6-4.6 V at pin 18, 19 of IC101. Check and replace F101, IC101. Check CVBS signal with an oscilloscope. The Only white raster visible on screen video signal goes through R103, T104, R154, F104, T105, C150 to pin 40 of IC101...
  • Page 21 HORIZONTAL DEFLECTION CIRCUIT DEFECTS Power supply voltages are OK. There is no high voltage Check 15V at the collector of T503. Check and replace R503 and TR501 Hor. Driver transformer Check the voltages 1.42 VDC and 0.92 VAC at Check voltage 8V at pin 9, 39 of IC101. If + pin of C502 present replace IC101.
  • Page 22 VERTİCAL DEFLECTION CIRCUIT DEFECTS There is a horizontal line on the screen Check and replace R127 (at pin 20 of IC101), Check 16 VDC at pin 3 of IC501. C126 (at pin 21 of IC101), R526, D513, C527, R521. Check 35 VDC at pin 6 of IC501. Flyback lines are visible.
  • Page 23 AUDIO DEFECTS (I) No sound. Picture is OK. Check 28 VDC at pin 9 of IC304. Check and replace components R341, D612, S603. Audio signal at pins 1,5 of IC304 are OK. Check signals at pins 8, 10 of IC304. No sound.

  • Page 24: Parts List

    PARTS LIST PART NO DESCRIPTION NOTES POSITION NUMBERS 291103 CC-CHIP 100PF J 50V /0805 N C101 C111 293108 CC-CHIP 10NF K 50V /0805 X7 C103 C149 290473 CC-CHIP 47PF J 50V /0805 NP C104 C107 252112 EC 100UF 16V 11*6 R:5 C105 250113 C-ELA 1UF 25V 11*5 R:5...

  • Page 25: Parts List

    PARTS LIST PART NO DESCRIPTION NOTES POSITION NUMBERS 274684 C-PPM 680NF J 250V R:15 33" C521 274684 C-PPM 680NF J 250V R:15 28"16/9 C521 250100 EC 1UF 160V 11*6.3 R:5 C522 251225 EC 22UF 16V 11*5 R:5 C528 272110 C-PEM 1NF J 100V R:5 C529 274224 C-PEM 220NF K 275V-AC R22.
  • Page 26 PARTS LIST PART NO DESCRIPTION NOTES POSITION NUMBERS 56709 SAW FILTER OFW K3953M F801 056745 SER.FILTER TPS6.0MB F104 053740 COIL 1UH K LAL03 F105 056640-01 SER.FILTER MKT40.4MA110P-TF F105 056744 SAW FILTER OFW G9353M F106 056640-01 SER.FILTER MKT40.4MA110P-TF F108 458642 IC-CHIP TDA9563H/N1/3 BG,I (STEREO INTERCARRIER) IC101 458643...
  • Page 27 PARTS LIST PART NO DESCRIPTION NOTES POSITION NUMBERS 056210 CER.RESONATOR GSB455E Q980 172335 RC-CHIP 3.3K J 1/10W /0805 MONO SOUND R103 R106 172683 RC-CHIP 6.8K J 1/10W /0805 MONO SOUND R107 171471 RC-CHIP 470R J 1/10W /0805 MONO SOUND R104 174151 RC-CHIP 150K J 1/10W /0805 MONO SOUND...
  • Page 28 PARTS LIST PART NO DESCRIPTION NOTES POSITION NUMBERS 111224 RMO 220R J 1W R520 119480 RM 0.47R J 1/2W 21", 25" R521 R606 R607 129471 RF 4.7R J 0.25W 52MM R522 122114 RWF 1K J 1.5W 73MM R523 113113 RMF 10K J 1/2W R524 119152 RMO 1.5R J 2W...
  • Page 29 PARTS LIST PART NO DESCRIPTION NOTES POSITION NUMBERS 400989 TRN BC558B T306 T309 401141 TRN-CHIP BC848B SOT23 T307 T403 401279 TRN 2SK2381 T501 401218 TRN BC618 T503 401215 TRN BU508DF T504 401216-02 TRN 2SK2545 T601 401047 TRN BC337-25 401142 TRN-CHIP BC858B SOT23 T980 401141 TRN-CHIP BC848B SOT23...
  • Page 30 PARTS LIST PART NO DESCRIPTION NOTES POSITION NUMBERS 300193 DIODE Z. BZX55C9V1-GPS(VISH ZD606 S99170 PIP MODULE KPL.14.2 056321-PH7 CPT PH A51ERF135*70 P.FLAT 21" Pure Flat 056325-VC4 CPT VC A59EHJ13X38 25" 056428-SB1 CPT SEB W66QDE893X286 (P.FLAT) 28"16/9 Pure Flat 056428-PS1 CPT PS W66EHK51X36 28"16/9 Super Flat 056328-VC6 CPT VC A66EHJ13X62...

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