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Daewoo DUB-2850GB Service Manual

Chassis : cp-780
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Service Manual

CHASSIS : CP-780
MODEL : DUB-2850GB
DUB-2850
DUB-2850K
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.TCP780FEF0
NOV. 2005

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Summary of Contents for Daewoo DUB-2850GB

  • Page 1: Service Manual

    S/M No.TCP780FEF0 Service Manual CHASSIS : CP-780 MODEL : DUB-2850GB DUB-2850 DUB-2850K 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.

  • Page 2: Table Of Contents

    CP-780 Service Manual CONTENTS 1 MAIN FEATURES 1.1 SPECIFICATIONS 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 3.6 NVM default setting 3.7 TV SET ALIGNMENT 3.8 OAD(Over air download)

  • Page 3: Main Features

    CP-780 Service Manual DOCUMENT HISTORY VERSION DATE COMMENTS V1.00 22/10/05 Creation of document (Author BD MIN) for project CP-780 50Hz iDTV. 1 MAIN FEATURES 1.1 SPECIFICATIONS 1.1.1 GENERAL Transmission Picture compression Voice compression DVB standard standard standard standard COFDM MPEG2 MPEG Audio TV standard PAL - SECAM B/G D/K, PAL I/I, SECAM L/L’...
  • Page 4 CP-780 Service Manual 1.1.3 EURO-SCART 2 (21Pin)

  • Page 5: Channel/Frequency Table

    CP-780 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 6 CP-780 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...

  • Page 7: Safety Instruction

    CP-780 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 28-30 KV at max beam current.

  • Page 8: Alignment Instructions

    CP-780 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 9: Option 1

    Future ‘0’ ‘0’ 7 keys PAT& future Basic compati Iacal compatibility ATSS bility keyboard Disabled - OPTION SETTING BY MODEL CHASSIS MODEL OPTION DW[hex] REMARKS BIT[b7...b0] CP-780 DUB-2850GB I 0001 1001 OPTION “b1,b0” - II 0010 1111 Depends on Tuner...

  • Page 10: Nvm Default Setting

    CP-780 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 11 CP-780 Service Manual NVM DATA CHANGE LIST (hex) CP-780 Register Name Address Default DUB-2850GB OCP_THRESHOLD 0x58F 0x91 <- DCXO 0x590 0x4E <- AGC_PHILIPS 0x5C1 0xAB <- AGC_NC 0x5C2 0xAB 0x04 AGC_ALPS 0x5C3 0xB6 <- AGC_PARTSNIC 0x5C4 0xB6 <- AGC_PHILIPS_START 0x5C5 0x16 <-...

  • Page 12: Tv Set Alignment

    CP-780 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 13: Oad(Over Air Download)

    CP-780 Service Manual PARABOLA HOR WIDTH adjust for 93% overscan. EW TRAPEZ CORNER B & CORNER T 3.8 OAD (Over Air Download) 3.8.1 Concept of OAD OAD is the function for updating software of IDTV(Integrated Digital TV) or DSTB (Digital Set-Top Box) from outer source.

  • Page 14: Ic Description

    CP-780 Service Manual 4 IC DESCRIPTION Series The UOC series combines the functions of a Video Signal Processor(VSP) together with a FLASH embedded TEXT/Control/Graphics m-Controller(TCG m-Controller) and US Closed Caption decoder. In addition the following functions can be added: - Adaptive digital(4H/2H) PAL/NTSC combfilter - Teletext decoder with 10page text memory - Multi- standard stereo decoder - BTSC stereo decoder...
  • Page 15 CP-780 Service Manual 4.1.2 BLOCK DIAGRAM -15-...
  • Page 16 CP-780 Service Manual 4.1.3. PINNING QFP 128pin Symbol Short Description VSSP2 Ground VSSC4 Ground VDDC4 digital supply to SDACs (1.8V) VDDA3(3.3V) supply (3.3 V) VREF_POS_LSL positive reference voltage SDAC (3.3 V) VREF_NEG_LSL+HPL negative reference voltage SDAC (0 V) VREF_POS_LSR+HPR positive reference voltage SDAC (3.3 V) VREF_NEG_HPL+HPR negative reference voltage SDAC (0 V) VREF_POS_HPR...
  • Page 17 CP-780 Service Manual QFP 128pin Symbol Short Description QSSO/AMOUT/AUDEEM (2) QSS intercarrier output / AM output / deemphasis (front-end audio out) GND2 ground 2 for TV processor PLLIF IF-PLL loop filter SIFAGC/DVBAGC (2) AGC sound IF / internal-external AGC for DVB applications DVBO/IFVO/FMRO (2) Digital Video Broadcast output / IF video...
  • Page 18 CP-780 Service Manual QFP 128pin Symbol Short Description YSYNC Y-input for sync separator YOUT Y-output (for YUV interface) UOUT(INSSW2) U-output for YUV interface (2nd RGB / YPBPR insertion input) VOUT(SWO1) V-output for YUV interface (general purpose switch output) INSSW3 3rd RGB / YPBPR insertion input R/PRIN3 3rd R input / PR input G/YIN3...
  • Page 19 CP-780 Service Manual QFP 128pin Symbol Short Description P3.0/ADC0 port 3.0 or ADC0 input P3.1/ADC1 port 3.1 or ADC1 input VDDC1 digital supply to core (+1.8 V) DECV1V8 decoupling 1.8 V supply P3.2/ADC2 port 3.2 or ADC2 input P3.3/ADC3 port 3.3 or ADC3 input VSSC/P digital ground for m-Controller core and periphery P2.4/PWM3...
  • Page 20 CP-780 Service Manual Tint control for external RGB/YPBPR signals Scan Velocity Modulation output. The SVM circuit is active for all the incoming CVBS, Y/C and RGB/YPBPR signals. The SVM function can also be used during the display of teletext pages. RGB control circuit with Continuous Cathode Calibration , white point and black level off- set adjustment so that the colour temperature of the dark and the light parts of the screen can be chosen independently.
  • Page 21 CP-780 Service Manual Digital output crossbar for exchange of channel processing functionality Digital audio input interface (stereo I2S input interface) Digital audio output interface (stereo I2S output interface) Audio interfaces and switching (AV stereo versions without Audio DSP) Audio switch circuit with 4 stereo inputs, a stereo output for SCART/CINCH and a stereo SPEAKER output with analogue volume control.
  • Page 22 CP-780 Service Manual Dynamic Virtual Bass (DVB) (3) BBE Sound processing (4) Graphic equalizer Processed or non processed subwoofer Programmable beeper Reflection and delay for loudspeaker channels (stereo versions with Audio DSP) (Option) Dolby Pro Logic Delay (1).0 Pseudo hall/matrix function Psycho acoustic spatial algorithms, downmix and split in loudspeaker channels (stereo versions with Audio DSP) Extended Pseudo Stereo (EPS) (5)
  • Page 23 CP-780 Service Manual Subtitle Page Table (SPT) Data Capture for US Closed Caption Data Capture for 525/625 line WST, VPS (PDC system A) and Wide Screen Signalling (WSS) bit decoding Automatic selection between 525 WST/625 WST Automatic selection between 625 WST/VPS on line 16 of VBI Real-time capture and decoding for WST Teletext in Hardware, to enable optimized m- processor throughput Automatic detection of FASTEXT transmission...

  • Page 24: Tda8946J Stereo Audio Amplifier

    CP-780 Service Manual 4.2 TDA8946J STEREO AUDIO AMPLIFIER The TDA8946J is a dual-channel audio power amplifier with an output power of 2x15W at an 8 load and a 18V supply. The circuit contains two Bridges Tied Load(BTL) amplifiers with an all-NPN output stage and standby/mute logic.
  • Page 25 CP-780 Service Manual Block diagram TDA8946J -25-...

  • Page 26: Tda8358J Vertical Amplifier

    CP-780 Service Manual 4.3 TDA8358J VERTICAL AMPLIFIER The TDA8358J are power circuit for use in 90 and 110 colour deflection systems for field frequencies of 25 to 200Hz field frequencies, and for 4:3 and 16/9 picture tubes. The IC contains a vertical deflection output circuit, operating as a high efficiency class G system. The full bridge output circuit allows DC coupling of the deflection coil in combination with single positive supply voltages.
  • Page 27 CP-780 Service Manual Pinning Symbol Description Positeve vertical input Negative vertical input Supply voltage OUTB Vertical output voltage B INEW East-west input voltage VGND Vertical ground EWGND East-west ground OUTEW East-west output voltage Flyback supply voltage OUTA Vertical output voltage A GUARD Guard output voltage FEEDB...

  • Page 28: Tda6108Ajf (Video Amplifier)

    CP-780 Service Manual 4.4 TDA6108AJF 4.4.1 Features -Typical bandwidth of 9.0MHz for an output signal of 60V (p-p) -High slew rate of 1310V/us up and -1850V/us down -No external components required -Very simple application -Single supply voltage of 200V -Internal reference voltage of 2.5V -Fixed gain of 81 -Black-Current Stabilization (BCS) circuit with voltage window from 1.5 to 6V and current window from 100Ua to -10Ma...

  • Page 29: 2Wc16-16Kb (Eeprom)

    CP-780 Service Manual 24WC16 - 16 KB EEPROM 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.

  • Page 30: Str-W6754

    CP-780 Service Manual 4.6 STR - W6754 4.6.1 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. 4.6.2 FEATURES * Small SIP fully isolated moulded 6 pins package * Many protection functions : * Pulse-by-pulse overcurrent protection (OCP) * Overvoltage protection with latch mode (OVP)
  • Page 31 CP-780 Service Manual 4.6.4 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 4.6.5 CONTROL PART - ELECTRICAL CHARACTERISTICS RATING DESCRIPTION TERMINAL...

  • Page 32: Pnx 8314

    CP-780 Service Manual 4.7 pnx831x 4.7.1 pin list by numbers NAME NAME NAME NAME MIU_DATA[7] MIU_ADDR[24] AVDD_PLL TRST MIU_DATA[14] MIU_MASK[0] XTAL_IN MIU_DATA[6] MIU_MASK[1] XTAL_OUT RESETN MIU_DATA[13] MIU_WEN AVSS_PLL SYS_RESETN MIU_DATA[5] MIU_RDY SCL0 MIU_DATA[12] MIU_RDY SDA0 MIU_DATA[4] SCL1 AVDD_2 SDA1 SDRAM_DATA[0] 10 V MIU_DATA[11] SDRAM_DATA[1]...
  • Page 33 CP-780 Service Manual 4.7.2 Features General features -Targeted to provide a low cost solution for Set Top Box technology -Comprehensive driver software and development tool support -3.3 V and 1.2V power supplies -Philips CMOS 0.12m process technology -SQFP208 package CPU related features The pnx831x includes an embedded 32-bit MIPS RISC-based CPU which have the following main features: -32-bit PR1910 core operating at 120 MHz.

  • Page 34: Uda1334Bts Audio Dac

    CP-780 Service Manual I2C bus modes. -Two smart-card reader interfaces sharing the same UART ISO-7816 compatible. -One Integrated Conditional Access Module interface (ICAM compliant) shared with a standard smart-card interface. -Infrared receive and transmit interfaces (IR-capture & IR-blaster) -A general purpose port of up to 28bits available when the associated peripheral function is not used in the application -One USB1.1 host controller Interrupt interface...

  • Page 35: Ci Max

    CP-780 Service Manual 4.8.2 Features General -1.8 to 3.6V power supply voltage -Integrated digital filter plus DAC -Automatic system clock versus sample rate detection -Low power consumption -Supports sample frequencies from 8 to100kHz -No analog post filtering required for DAC -Slave mede only applications -Easy application -SSOP16 package.
  • Page 36 CP-780 Service Manual -High speed capability Up to 20Mbits/s on command interface Up to 100Mbits/s on Transport Stream -Polling and interrupt modes -Hot insertion (Automatic and Reset VCC handling) -3.3V or 5V I/O buffers PQFP 128package -Universal Control Signal Generator (UCSG) PC Card control signals generation Supprots powerPC, ARM, ST20, 68xxx, TMS, LSI 64008, TC81220F, IDTR3041 host microprocessors...
  • Page 37 CP-780 Service Manual 4.9.2 Pinning -37-...

  • Page 38: M29W320Et(Flash Memory)

    CP-780 Service Manual 4.10 M29W320ET (Flash Memory) 4.10.1 Features -SUPPLY VOLTAGE Vcc = 2.7V to 3.6V for Program, Erase and Read Vpp = 12V for Fast Program (optional) -ACCESS TIME: 70, 90ns -PROGRAMMING TIME 10 s per Byte/Word typical -67 MEMORY BLOCKS 1 Boot Block (Top or Bottom Location) 2 Parameter and 64 Main Blocks -PROGRAM/ERASE CONTROLLER...

  • Page 39: K4S281632D(Sdram)

    CP-780 Service Manual 4.11 K4S281632D (SDRAM) 4.11.1 Features -JEDEC standard 3.3V power supply -LVTTL compatible with multiplexed address -Four banks operation -MRS cycle with address key programs CAS latency (2 & 3) Burst length (1, 2, 4, 8 & Full page) Burst type (Sequential &...

  • Page 40: Circuit Description

    CP-780 Service Manual 5 CIRCUIT DESCRIPTION 5.1 BLOCK DIAGRAM -40-...

  • Page 41: Functional Description Of Video Processor

    CP-780 Service Manual 5.2 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR 5.2.1 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 TCG u-Controller as a reference.
  • Page 42 CP-780 Service Manual The nominal frequency of the demodulator is tuned to the required frequency (4.5/5.5/6.0/6.5 MHz) by means of a calibration circuit which uses the clock frequency of the TCG(1)-Controller as a reference. It is also possible to frequencies of 4.72 and 5.74Mhz so that a second sound channel can be demodulated.
  • Page 43 CP-780 Service Manual 5.2.5 CVBS and Y/C input signal selection 5.2.5.1 ALL VERSIONS The ICs have 3 inputs for external CVBS signals. All CVBS inputs can be used as Y input for the insertion of Y/C signals. However, the CVBS(Y)2 input has to be combined with the C3 input.
  • Page 44 CP-780 Service Manual is obtained when the VID bit is set to 0 . When the VID bit is 1 the mode of the first control loop can be switched by means of the FOA/FOB or POC bits. For a good performance during normal TV reception (display of the front-end signal) various connections are active between the vision IF amplifier and the synchronisation circuit (e.g.
  • Page 45 CP-780 Service Manual 5.2.8 Chroma, luminance and feature processing Some versions contain a 4H/2H(2D) adaptive PAL/NTSC comb filter. The comb filter is automatically activated when standard CVBS signals are received. A signal is considered as standard signal when a PAL or NTSC signal is identified and when the vertical divider is in the modes standard narrow window or standard TV norm .
  • Page 46 CP-780 Service Manual 5.2.9 Colour decoder The ICs decode PAL, NTSC and SECAM signals. The PAL/NTSC decoder does not need external reference crystals but has an internal clock generator which is stabilised to the required frequency by using the clock signal from the reference oscillator of the TCG u -Controller. Under bad-signal conditions (e.g.
  • Page 47 CP-780 Service Manual signals and nominal settings of the various controls. To obtain an accurate biasing of the picture tube the Continuous Cathode Calibration system has been included in these ICs. The system is slightly adapted compared with the previous circuits.
  • Page 48 CP-780 Service Manual window(WBC-bit) or below or above this window (HBC-bit). This indication can be read from the status byte 01 and can be used for automatic adjustment of the Vg2 voltage during the production of the TV receiver. During this test the vertical scan remains active so that the indication of the 2 bits can be made visible on the TV screen.

  • Page 49: General Description Of The Tv Sound Of Sound Processor

    CP-780 Service Manual Correct operation is not guaranteed if registers in the range $FB to $FF will be addressed! Read registers The output registers of the TV processor are only available via auto-increment mode, no address can be used and all registers must be read. 5.3 GENERAL DESCRIPTION OF THE TV SOUND OF SOUND PROCESSOR The TV Sound Processor is a digital TV sound processor for analogue multi-channel sound systems in TV sets.
  • Page 50 CP-780 Service Manual * M/BTSC and N standards supported * M/Japan (EIAJ) supported * FM Radio stereo decoding * Alignment-free, fully digital system * For BTSC full dbx(r) performance * SAP demodulation (without dbx(r)) simultaneously with stereo decoding, or mono plus SAP with dbx(r) * Line/pilot frequency selectable from 15.734 kHz and 15.625 kHz (or automatic detection / auto search)

  • Page 51: Functional Description Processor

    CP-780 Service Manual 2-CARRIERSYSTEMSWITHNICAM [Table] NICAM standards MODULATION STANDARD FREQUENCY TYPE DEVIATION ROLL- NICAM (MHz) INDEX(%) (kHz) (MHz) EMPAHSIS OFF (%) CODING NOM./MAX. NAM./MAX. NICAM /OVER 27/50/80 5.85 Note1 27/50/80 6.552 Note1 27/50/80 5.85 Note1 54/100 5.85 Note1 Note 1. See EBU specification or equivalent specification. 5.4 FUNCTIONAL DESCRIPTION SOUND PROCESSOR 5.4.1 The UOC III TV Sound Concept The UOCIII sound concept is implemented over the video processor and TCG-microcontroller.
  • Page 52 CP-780 Service Manual The tuner receives a RF signal and converts it to IF. Via appropriate SAW filters the SIF signal is delivered to the QSS stage of the video processor and if channels according to standard L/L are received also to the AM demodulator. The Quasi Split Sound demodulation generates the SSIF or intercarrier signal.
  • Page 53 CP-780 Service Manual The digital controller sound part consists of the SSIFADC, audio ADCs, DEMDEC HW, the sound DSP core, audio DACs and I2S interface hardware as shown in fig below. The DEMDEC part of the Sound DSP is used for the decoder and partly demodulator tasks. The AUDIO part provides the sound features, from the level adjust unit up to the output crossbar.
  • Page 54 CP-780 Service Manual MIXER The digitized 2nd SIF input signal is fed to the mixers, which mix one or both input sound carriers down to zero IF. The mixer frequency is derived by the standard setting (Easy Programming) or in the Demodulator and Decoder Expert Mode (DDXM) by a 24-bit control word for each carrier.
  • Page 55 CP-780 Service Manual A timing loop controls the sample rate conversion circuitry to lock the sampling rate to the symbol timing of the NICAM data. NICAM DECODER The NICAM decoder performs all decoding functions in accordance with theEBU NICAM 728 specification.

  • Page 56: Service Parts List

    CP-780 Service Manual 6. SERVICE PART LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B5552N20 TRANSMITTER REMOCON R-52N20 (AAA) 00001 1TDA8358J- IC VERTICAL TDA8358J ZZ110 PTACPWG100 ACCESSORY AS DUB-2850DT 0000A 4857028215 HEAT SINK AL EX 00010 4850Q00910 BATTERY...
  • Page 57 CP-780 Service Manual PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK 4856310300 EYE LET BSR T0.2 (R1.6) C370 CCXF1H473Z C CERA 50V F 0.047MF Z (TAPPING) 4856310300 EYE LET BSR T0.2 (R1.6) C401 CEXF1H101V C ELECTRO 50V RSS 100MF (8X11.5) TP 4856310300 EYE LET...
  • Page 58 CP-780 Service Manual PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK D601 D1N4148—- DIODE 1N4148 (TAPPING) J055 85801060GY WIRE COPPER 1/0.6 TIN COATING D602 D1N4148—- DIODE 1N4148 (TAPPING) J056 85801060GY WIRE COPPER 1/0.6 TIN COATING D603 D1N4148—- DIODE 1N4148 (TAPPING)
  • Page 59 CP-780 Service Manual PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK R808 RD-4Z182J- R CARBON FILM 1/4 1.8K OHM J PA901 4850706S02 CONNECTOR YH025-06+YBNH025-06+ULW=400 R809 RD-4Z102J- R CARBON FILM 1/4 1K OHM J PA902 4850705S04 CONNECTOR YH025-05+YBNH250+ULW=400 R810 RD-4Z220J-...
  • Page 60 CP-780 Service Manual PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK SW100 5S50101Z90 SW TACT THVV502GDA CCD68 HCFK104ZBA C CHIP CERA 50V Y5V 0.1MF Z 1608 UD001 4859700550 TUNER DIGITAL TD1316S/IVP (VERT/DIN) CCD69 HCFK104ZBA C CHIP CERA 50V Y5V 0.1MF Z 1608 X501 5XJ24R576E...
  • Page 61 CP-780 Service Manual PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK RCE73 HRFT470JBA R CHIP 1/10 47 OHM J 1608 C540 CMXE2A473J C MYLAR 100V PU 0.047MF J RCE74 HRFT470JBA R CHIP 1/10 47 OHM J 1608 C542 CEXF1H100V C ELECTRO...
  • Page 62 CP-780 Service Manual PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK C564 CBZF1H104Z C CERA SEMI 50V F 0.1MF Z R506 RD-AZ103J- R CARBON FILM 1/6 10K OHM J C565 CBZF1H104Z C CERA SEMI 50V F 0.1MF Z R507 RD-AZ332J- R CARBON FILM...
  • Page 63 CP-780 Service Manual PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK CCD56 HCFK104ZBA C CHIP CERA 50V Y5V 0.1MF Z 1608 RC543 HRFT222JBA R CHIP 1/10 2.2K OHM J 1608 CCD57 HCFK104ZBA C CHIP CERA 50V Y5V 0.1MF Z 1608 RC544 HRFT222JBA R CHIP...
  • Page 64 CP-780 Service Manual PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK RCD60 HRFT102FBA R CHIP 1/10 1K OHM F 1608 RCE94 HRFT330JBA R CHIP 1/10 33 OHM J 1608 RCD61 HRFT102FBA R CHIP 1/10 1K OHM F 1608 RCE95 HRFT330JBA R CHIP...

  • Page 65: Schematic Diagram

    7. SCHEMATIC DIAGRAM...
  • Page 66 SCHEMATIC DIAGRAM...
  • Page 67 SCHEMATIC DIAGRAM...
  • Page 68 SCHEMATIC DIAGRAM...
  • Page 69 SCHEMATIC DIAGRAM...

  • Page 70: Printed Circuit Board

    8. PRINTED CIRCULT BOARD...
  • Page 71 PRINTED CIRCULT BOARD...
  • Page 72 PRINTED CIRCULT BOARD...
  • Page 73 PRINTED CIRCULT BOARD...
  • Page 74 PRINTED CIRCULT BOARD...
  • Page 75 PRINTED CIRCULT BOARD...
  • Page 76 PRINTED CIRCULT BOARD...
  • Page 77 PRINTED CIRCULT BOARD...

  • Page 78: Exploded View

    9. EXPLODED VIEW...
  • Page 79 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : NOV. 2005...

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