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Service Manual
CHASSIS : CP-202S
MODEL : CP21S7 ***
CP21S8 ***
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.TCP202SEF0
May 2010
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Summary of Contents for Daewoo CP21S8 Series
- Page 1 S/M No.TCP202SEF0 Service Manual CHASSIS : CP-202S MODEL : CP21S7 *** CP21S8 *** 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.
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Page 2: Table Of Contents
CP-202S Service Manual CONTENTS DOCUMENT HISTORY 1 MAIN FEATURES 1.1 SPECIFICATIONS 1.1.1 GENERAL 1.1.2 EURO-SCART 1 (21 Pin) 1.1.3 EURO-SCART 2 (21 Pin) 1.2 CHANNEL/FREQUENCY TABLE 2 SAFETY INSTRUCTION 3 ALIGNMENT INSTRUCTIONS 3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE 3.2 SERVICE MODE NAVIGATION 3.3 MICROCONTROLLER CONFIGURATION : OPTION BITS 3.4 OPTION 1 3.5 OPTION 2... - Page 3 CP-202S Service Manual 5 CIRCUIT DESCRIPTION 5.1 BLOCK DIAGRAM 6 SERVICE PARTS LIST 6.1 CP21S8 *** 7 EXPLODED VIEW 7.1 CP21S7 *** 7.2 CP21S8 *** 8 PRINTED CIRCUIT BOARD 8.1 MAIN TOP 8.2 MAIN BOTTOM 9 SCHEMATIC DIAGRAM...
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Page 4: Document History
CP-202S Service Manual DOCUMENT HISTORY VERSION DATE COMMENTS V1.00 Creation of document for project CP-202S 50Hz TV. 17/05/10... -
Page 5: Main Features
CP-202S Service Manual MAIN FEATURES 1.1 SPECIFICATIONS 1.1.1 GENERAL TV standard PAL - SECAM B/G D/K, PAL I/I, SECAM L/L’ Colour system Tuner PAL, SECAM PAL, SECAM, PAL 60, NTSC M, NTSC 4.43 Sound system NICAM B/G, I, D/K, L, FM 2Carrier B/G, D/K Power consumption Sound Output Power... -
Page 6: Euro-Scart 2 (21 Pin)
CP-202S Service Manual 0.7 Vp-p – 0.1V 1 Vp-p – 0.1V 1 Vp-p – 0.1V 1.1.3 EURO-SCART 2 (21 Pin) 0.3 Vp-p – 0.1V 1 Vp-p – 0.1V (Monitor output) 1 Vp-p – 0.1V... -
Page 7: Channel/Frequency Table
CP-202S Service Manual 1.2 CHANNEL/FREQUENCY TABLE CHANNEL EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT 46.25 45.75 49.75 48.25 55.75 (L ) 53.75 59.25 55.25 60.5 (L ) 61.75 77.25 62.25 63.75 (L ) 175.25 85.25 175.25 176.00 183.25 93.25 182.25 184.00 191.25 175.25 189.25... - Page 8 CP-202S Service Manual CHANNEL EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT 775.25 775.25 775.25 775.25 783.25 783.25 783.25 783.25 791.25 791.25 791.25 791.25 799.25 799.25 799.25 799.25 807.25 807.25 807.25 807.25 815.25 815.25 815.25 815.25 823.25 823.25 823.25 823.25 831.25 831.25 831.25 831.25 839.25...
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Page 9: Safety Instruction
CP-202S Service Manual 2 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 18-26KV at max beam current. -
Page 10: Alignment Instructions
CP-202S Service Manual 3 ALIGNMENT INSTRUCTIONS 3.1 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 menus. 3 - Within 2 seconds press the key sequence : RED - GREEN - menu The software version is displayed beside the word Service, e.g. -
Page 11: Option 1
CP-202S Service Manual 3.4 OPTION1 FASTEXT Dolby SVHS3 TUBE VAI bit set Teletext (FLOF) Virtual Auto TUNER OPTIONS to 1 in switch 00 = LG INNOTEK SECAM L disable 01 = LONGSIGN 10 = NXP//PHILIPS SVHS3 VAI bit set FASTEXT Dolby (UV-1316 tuner) TUBE... -
Page 12: Nvm Default Setting
CP-202S Service Manual 3.6 NVM default setting The purpose of this message, when you change a virgin EEPROM, is to allow to modify the NVM DATA to desired values. 1 - Introduction : The NVM default values are fixed for the user, but for flexibility in service, these data are stored in NVM and can be changed when the TV set is in a special mode call “NVM EDITOR”... - Page 13 CP-202S Service Manual NVM DATA CHANGE LIST CP-202S Register Name Address CP21S7BRP/CP21S8BRP OCP_THRESHOLD 0x58F 0x91 DCXO 0x590 0x4E AGC_Level Voltage_LG_INNOTEK 0x5C1 0xC8 AGC_Level Voltage_LONGSIGN 0x5C2 0xC8 AGC_Level Voltage_NXP//PHILIPS 0x5C3 0xC8 AGC_Level Voltage_GDC 0x5C4 0xC8 AGC_START_LG_INNOTEK 0x5C5 0x0F AGC_START_LONGSIGN 0x5C6 0x0F AGC_START_NXP//PHILIPS 0x5C7 0x0F...
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Page 14: Tv Set Alignment
CP-202S Service Manual 3.7 TV SET ALIGNMENT 3.7.1 G2 ALIGNMENT - Tune a colour bar pattern. - Find the G2 - SCREEN item in service mode. - Adjust screen volume ( on FBT ) to bring the cursor to central position : green. 3.7.2 WHITE BALANCE - Select a dark picture and adjust RED BIAS and GRN BIAS to the desired colour temperature. -
Page 15: Ic Description
CP-202S Service Manual PARABOLA HOR WIDTH adjust for 93% overscan. EW TRAPEZ CORNER B & CORNER T 4 IC DESCRIPTION 4.1 UOCTOP Series 4.1.1 IC MARKING AND VERSION The UOC-TOP-80 series is a very flexible concept which offers attractive solutions for 1fH TV receivers with CRTs. This new concept offers a complete range of products with the right price level to cover TV receivers from basic mono 14 inch sets up to the best featured large and/or wide screen stereo TV sets. -
Page 16: Block Diagram
CP-202S Service Manual 4.1.2. BLOCK DIAGRAM UOC-T O P-80 N2 series NXP Semiconductors Signa l pr ocessor f or CRT TV o- PROC ESSO R / T ELETEXT DECODE R / OS D BCLIN BLKIN/ Fi g 2 . B l ock di agra m of th e “STEREO” TV p r ocessor -16-... -
Page 17: Pinning
CP-202S Service Manual 4.1.3. PINNING SYMBOL DESCRIPTION QFP 80 pin VDDA(1.8V) supply VREFAD reference voltage for audio ADCs (3.3/2 V) GND5 ground supply VDDA2(3.3V) VDDA1(3.3V) supply voltage BO/PBOUT Blue output / PB output GO/YOUT Green output / Y output RO/PROUT Red output / PR output BLKIN/SVM [1] black current input / scan velocity modulation output... - Page 18 CP-202S Service Manual SYMBOL DESCRIPTION QFP 80 pin CVBS2/Y2 CVBS2/Y2 input AUDIOIN2L/SSIF left stereo input / sound IF input CVBS4/Y4 input audio 5 left input CVBS4/Y4/AUDIOIN5L [1] audio-4 input (right signal) AUDIOIN4R AUDIOIN4L audio-4 input (left signal) IFVO/SVO/PIP [4] IF video output / selected CVBS output / PIP output 2nd supply voltage TV processor (+5 V) AGC2SIF Sound IF AGC capacitor...
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Page 19: Features
CP-202S Service Manual SYMBOL DESCRIPTION QFP 80 pin DECDIGNEG supply XTALOUT crystal oscillator output crystal oscillator input XTALIN SNDNEG supply VDDA3(3.3V) supply P1.2 port 1.2 P2.5/PWM4 port 2.5 or PWM4 output port 2.4 or PWM3 output P2.4/PWM3 P3.3/ADC3 port 3.3 or ADC3 input P3.2/ADC2 port 3.2 or ADC2 input VDDC(1.8V) - Page 20 CP-202S Service Manual · Separate Second Sound IF output or FM demodulator output without de-emphasis available, which can be used as input for an external BTSC decoder or as input for external sound band-pass filter for second language processing. · Separate SSIF input available as input for the FM-PLL demodulator to demodulate FM-radio with an IF frequency of 10.7 MHz, or as input from an external sound band-pass filter for second language processing.
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Page 21: La42205 Stereo Audio Amplifier
CP-202S Service Manual · RGB control circuit with ‘Continuous Cathode Calibration’, white point and black level off-set adjustment so that the color temperature of the dark and the light parts of the screen can be chosen independently. When this ‘Continuous Cathode Calibration’ is not used, simple alignment of the cutoff level is possible. -
Page 22: Block Diagram And Pinning
CP-202S Service Manual 4.3 LA78040 VERTICAL AMPLIFIER LA42205 -22-... -
Page 23: La78040 Vertical Amplifier
CP-202S Service Manual LA78040 is a vertical deflection output IC for high image quality TV and CRT displays that supports the use of a bus control system signal-processing IC. The sawtooth waveform from the bus control system signal-processing IC can directly drive the deflection yoke (including the DC component). - Page 24 CP-202S Service Manual Features : · 16 Kbit serial I2C bus EEPROM · 400KHz I2C Bus Compatible · supply voltage : 1.8 V to 6.0 V · Low Power CMOS Technology · 1 Million Erase/Write cycles (minimum) · 100 year data retention (minimum) Pin description Pin No.
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Page 25: Str-W6754
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 ·... -
Page 26: Pin Description
CP-202S Service Manual 4.5.4 PIN DESCRIPTION Terminal No. SYMBOL DESCRIPTION Drain terminal S/GND Source/ Ground terminal Power supply terminal SS/OLP Delay at Overload/ Soft start set up terminal Feedback terminal OCP/BD Overcurrent Protection Input/ Bottom Detection terminal 4.5.5 CONTROL PART - ELECTRICAL CHARACTERISTICS RATING DESCRIPTION TERMINAL... -
Page 27: Circuit Description
CP-202S Service Manual 5 CIRCUIT DESCRIPTION 5-1 BLOCK DIAGRAM -27-... -
Page 28: Service Parts List
SCREW TAPPTITE TT2 RND 3X8 MFZN 3CR 00030 4850Q00910 BATTERY R03/NN I703 1R52FV6D— IC PREAMP R52FV6D 10000 48586801E2 MANUAL INSTRUCTION “CM-801S,DTA-21S7MZF,DAEWOO” I801 PTA2SW4428 HEAT SINK ASS`Y 1STRW6754- + 7174300851 M821 4858213803 BAG INSTRUCTION L.D.P.E TO.05X250X400(+20) 00001 1STRW6754- IC POWER STR-W6754... - Page 29 CP-202S Service Manual PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION CC534 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 RC537 HRFT101JBA R CHIP 1/10 100 OHM J 1608 CC537 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 RC539 HRFT103JBA R CHIP...
- Page 30 CP-202S Service Manual PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION E031 4856310300 EYE LET BSR T0.2 (R1.6) C511 CEXF1C100V C ELECTRO 16V RSS 10MF 4X7 E032 4856310300 EYE LET BSR T0.2 (R1.6) C512 CEXF1C100V C ELECTRO 16V RSS 10MF 4X7 E033 4856310300 EYE LET...
- Page 31 CP-202S Service Manual PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION Q905 TBF420—— BF420 D580 DUZ5R6BM— DIODE ZENER UZ-5.6BM Q906 TBF420—— BF420 D581 DUZ5R6BM— DIODE ZENER UZ-5.6BM Q907 TBF421—— BF421 D582 DUZ5R6BM— DIODE ZENER UZ-5.6BM Q908 TBF421—— BF421 D601 D1N4148—- DIODE...
- Page 32 CP-202S Service Manual PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION J046 85801050GY WIRE COPPER 1/0.5 TIN COATING JA11 85801050GY WIRE COPPER 1/0.5 TIN COATING J047 85801050GY WIRE COPPER 1/0.5 TIN COATING L202 5CPZ109M02 COIL PEAKING 1UH M (AXIAL 3.5MM) J048 85801050GY WIRE COPPER...
- Page 33 CP-202S Service Manual PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION R554 RD-AZ101J- R CARBON FILM 1/6 100 OHM J RV12 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R555 RD-AZ101J- R CARBON FILM 1/6 100 OHM J RV50 RD-AZ750J- R CARBON FILM...
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Page 34: Exploded View
CP-202S Service Manual 7. Exploded View CP21S7 ***... -
Page 35: Cp21S8
CP-202S Service Manual Exploded View CP21S8 ***... -
Page 36: Printed Circuit Board
CP-202S Service Manual 8. PRINTED CIRCUIT BOARD MAIN TOP... -
Page 37: Main Bottom
CP-202S Service Manual PRINTED CIRCUIT BOARD MAIN BOTTOM... -
Page 38: Schematic Diagram
CP-202S Service Manual 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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