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Daewoo CP21S8 Series, Service Manual

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CP-202S Service Manual

4.5 STR - W6754

4.5.1 GENERAL DESCRIPTION

The STR-W6754 is an hybrid IC with a build-in MOSFET and control IC, designed for flyback
converter type switch mode power supply applications.

4.5.2 FEATURES

·

Small SIP fully isolated moulded 6 pins package

·

Many protection functions :

·

Pulse-by-pulse overcurrent protection (OCP)

·

Overvoltage protection with latch mode (OVP)

·

Overload protection with latch mode (OLP)

4.5.3 BLOCK DIAGRAM

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Summary of Contents for CP21S8 Series

Page 1: ...n 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 TCP2...

Page 2: ...3 7 1 G2 ALIGNMENT 14 3 7 2 WHITE BALANCE 14 3 7 3 FOCUS 14 3 7 4 VERTICAL GEOMETRY 14 3 7 5 HORIZONTAL PICTURE CENTRING 14 3 7 6 EAST WEST CORRECTION 14 4 IC DESCRIPTION 15 4 1 UOCTOP SERIES 15 4 1 1...

Page 3: ...al 3 5 CIRCUIT DESCRIPTION 27 5 1 BLOCK DIAGRAM 27 6 SERVICE PARTS LIST 28 6 1 CP21S8 28 7 EXPLODED VIEW 34 7 1 CP21S7 34 7 2 CP21S8 35 8 PRINTED CIRCUIT BOARD 36 8 1 MAIN TOP 36 8 2 MAIN BOTTOM 37 9...

Page 4: ...CP 202S Service Manual 4 DOCUMENT HISTORY VERSION DATE COMMENTS V1 00 Creation of document for project CP 202S 50Hz TV 17 05 10...

Page 5: ...rogram Selection 100 programmes Aux terminal Remote Control R 59B02 AAA 1 1 2 EURO SCART 1 21 Pin Pin Signal Description Matching value 1 Audio Output Right 0 5 Vrms Impedance 1 k RF 60 Mod 2 Audio In...

Page 6: ...CP 202S Service Manual 6 0 7 Vp p 0 1V 1 Vp p 0 1V 0 3 Vp p 0 1V 1 Vp p 0 1V Monitor output 1 Vp p 0 1V 1 Vp p 0 1V 1 1 3 EURO SCART 2 21 Pin...

Page 7: ...5 527 25 527 25 527 25 C29 535 25 535 25 535 25 535 25 C30 543 25 543 25 543 25 543 25 C31 551 25 551 25 551 25 551 25 C32 559 25 559 25 559 25 559 25 C33 567 25 567 25 567 25 567 25 C34 575 25 575 25...

Page 8: ...75 167 25 161 25 S10 168 25 212 75 168 25 S11 231 25 224 75 231 25 S12 238 25 236 75 238 25 S13 245 25 248 75 255 25 245 25 S14 252 25 260 75 263 25 252 25 S15 259 25 272 75 271 25 259 25 S16 266 25 2...

Page 9: ...ischarge the high potential of the picture tube before handling the tube The picture tube is highly evacuated and if broken glass fragments will be violently expelled If any Fuse in this TV receiver i...

Page 10: ...nu press menu key or Stand By key 3 2 SERVICE MODE NAVIGATION Pr Up Down remote keys cycle through the service items available Vol remote keys Dec Increment the values within range Cycle trough option...

Page 11: ...ON FASTEXT FLOF ON TUBE 16 9 Dolby Virtual ON SVHS3 auto switch enable VAI bit set to 0 in SECAM L 3 5 OPTION2 B7 B6 B5 B4 B3 B2 B1 B0 1 0 Fixed to 0 Fixed to 0 n u Must be set to 1 for future compat...

Page 12: ...st the TV set 3 Entering into NVM EDITOR mode To switch the TV set into NVM EDITOR mode use the user remote control and press on OK key The NVM EDITOR window will appear on the screen This mode allow...

Page 13: ...1_JVC_Bri 0x64F 0x2D 18 Nor1_JVC_Cont 0x650 0x2A 19 Nor1_JVC_Colour 0x651 0x1B 20 Nor1_JVC_Sharp 0x652 0x23 21 Nor2_Bright 0x653 0x28 22 Nor2_Contrast 0x654 0x1C 23 Nor2_Colour 0x655 0x19 24 Nor2_Shar...

Page 14: ...D GRN and BLUE GAIN to the desired colour temperature 3 7 3 FOCUS Adjust the Focus volume on FBT to have the best resolution on screen 3 7 4 VERTICAL GEOMETRY Adjust V LINEAR linearity S CORRECT S Cor...

Page 15: ...ns a video processor with many features and a micro controller with extensive OSD possibilities UOCTOP_10PTXTST version Optional functions are a Teletext Closed Caption decoder a digital stereo decode...

Page 16: ...CONTROL O SD TEXT I N SERT W H I TE P ADJ CONTR BRIGHTN RGB MA TRIX H V REF Y DE LA Y AD J SKIN TONE U V T I NT SATURATION MODULATION CVBS2 Y 2 YSY N C IFVO SV O PIP SOUN D PLL R3 G3 B3 INSW 3 Y P B P...

Page 17: ...put Red output PR output black current input scan velocity modulation output beam current limiter input supply for TV processor 3rd B input Pb input 3rd G input Y input CVBS input Y input 3rd R input...

Page 18: ...io 4 input left signal IF video output selected CVBS output PIP output 2nd supply voltage TV processor 5 V Sound IF AGC capacitor IF PLL loop filter ground 2 for TV processor Sound IF AGC capacitor tu...

Page 19: ...nput port 2 3 or PWM2 output port 2 2 or PWM1 output port 2 1 or PWM0 output port 2 0 or Tuning PWM output supply to periphery 3 3V port 1 7 or I2C bus data line port 1 6 or I2C bus clock line port 1...

Page 20: ...nly 1 Y C source can be selected because the circuit has 1 chroma input CVBS3 Y3 input available in combination with the G Y 3 input pin 1 CVBS output this output can be used as monitor video output o...

Page 21: ...ertical geometry processing with horizontal parallelogram and bow correction and horizontal and vertical zoom The IC can be used as front end for Progressive Scan or LCD TV receivers Low power start u...

Page 22: ...CP 202S Service Manual 22 LA42205 4 3 LA78040 VERTICAL AMPLIFIER...

Page 23: ...e deflection yoke including the DC component Color TV vertical deflection system adjustment functions can be controlled over a bus system by connecting the LA78040 to a Sanyo LA768X series Since the L...

Page 24: ...utput 6 SCL Serial clock 7 WP Write control 8 Vcc Supply voltage 4 Vss Ground The memory device is compatible with the I2C memory standard This is a two wire serial interface that uses a bi directiona...

Page 25: ...nd control IC designed for flyback converter type switch mode power supply applications 4 5 2 FEATURES Small SIP fully isolated moulded 6 pins package Many protection functions Pulse by pulse overcurr...

Page 26: ...t in non operation 4 3 ICC off 100 A Maximum on time 1 3 TON max 27 5 32 5 39 0 s Minimum on time 1 3 TON min 0 4 0 8 1 2 s O C P B D terminal 7 3 VOCPBD TH1 0 28 0 40 0 52 V threshold voltage 1 O C P...

Page 27: ...CP 202S Service Manual 27 5 CIRCUIT DESCRIPTION 5 1 BLOCK DIAGRAM...

Page 28: ...IC EEPROM M24C16WRN6 I601 PTA2SW8237 HEAT SINK ASS Y 1LA42205 7174300851 00001 1LA42205 IC SOUND AMP LA42205 E 5WATT LOC PARTCODE PARTNAME DESCRIPTION 0000A 4857028237 HEAT SINK AL EX H50 0000B 717430...

Page 29: ...IP 1 10 2 2K OHM J 1608 RC526 HRFT222JBA R CHIP 1 10 2 2K OHM J 1608 RC527 HRFT682JBA R CHIP 1 10 6 8K OHM J 1608 RC528 HRFT222JBA R CHIP 1 10 2 2K OHM J 1608 RC530 HRFT183JBA R CHIP 1 10 18K OHM J 16...

Page 30: ...L2H470J C CERA 500V SL 47PF J TAPPING C502 CEXF1C100V C ELECTRO 16V RSS 10MF 4X7 C504 CEXF1C470V C ELECTRO 16V RSS 47MF 5X11 TP LOC PARTCODE PARTNAME DESCRIPTION C511 CEXF1C100V C ELECTRO 16V RSS 10MF...

Page 31: ...1B LOC PARTCODE PARTNAME DESCRIPTION D580 DUZ5R6BM DIODE ZENER UZ 5 6BM D581 DUZ5R6BM DIODE ZENER UZ 5 6BM D582 DUZ5R6BM DIODE ZENER UZ 5 6BM D601 D1N4148 DIODE 1N4148 TAPPING D801 DLT2A05G DIODE LT2A...

Page 32: ...TING J904 85801050GY WIRE COPPER 1 0 5 TIN COATING J905 85801050GY WIRE COPPER 1 0 5 TIN COATING JA10 85801050GY WIRE COPPER 1 0 5 TIN COATING LOC PARTCODE PARTNAME DESCRIPTION JA11 85801050GY WIRE CO...

Page 33: ...846 RD AZ473J R CARBON FILM 1 6 47K OHM J R850 RC 2Z105KP R CARBON COMP 1 2 1M OHM K R870 RD 4Z221J R CARBON FILM 1 4 220 OHM J R901 RD AZ101J R CARBON FILM 1 6 100 OHM J R902 RD AZ101J R CARBON FILM...

Page 34: ...CP 202S Service Manual 34 7 Exploded View CP21S7...

Page 35: ...CP 202S Service Manual 35 Exploded View CP21S8...

Page 36: ...CP 202S Service Manual 36 8 PRINTED CIRCUIT BOARD MAIN TOP...

Page 37: ...CP 202S Service Manual 37 PRINTED CIRCUIT BOARD MAIN BOTTOM...

Page 38: ...CP 202S Service Manual 38 9 Schematic Diagram...

Page 39: ...DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA...

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