Daewoo DTA-20 T1 Service Manual
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Daewoo DTA-20 T1 Service Manual

51/55/63/71 cm stereo color television
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Service Manual

51/55/63/71 Cm STEREO Color Television
MODEL
DTA-20 T1/T2/T3/T8
DTA-21 T1/T2/T5/T9/Y1
DTE-25 G6/G7
DTE-28 G2/G6/G7/96/98/
A6/A7/G8/B1
DAEWOO ELECTRONICS CO., LTD.
http : //svc.dwe.co.kr
S/M No. : CP385P-010
CHASSIS
CP-385
CP-385
CP-785
CP-785
DEC. 1999

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Summary of Contents for Daewoo DTA-20 T1

  • Page 1: Service Manual

    S/M No. : CP385P-010 Service Manual 51/55/63/71 Cm STEREO Color Television MODEL CHASSIS DTA-20 T1/T2/T3/T8 CP-385 DTA-21 T1/T2/T5/T9/Y1 CP-385 DTE-25 G6/G7 CP-785 DTE-28 G2/G6/G7/96/98/ CP-785 A6/A7/G8/B1 DAEWOO ELECTRONICS CO., LTD. http : //svc.dwe.co.kr DEC. 1999...

  • Page 2: Table Of Contents

    Service manual CP-385 / CP-785 Contents 1 - Main features ..........................2 1-1 Specifications ........................2 1-2 Channel table ........................4 1-3 ATSS sorting method ......................7 2 - Safety instruction .......................... 9 3 - Alignment instructions ......................... 10 3-1 Microcontroller configuration : Service mode ..............10 3-2 Microcontroller configuration : Option................

  • Page 3: Main Features

    Service manual CP 385 / CP785 1-1 Specifications TV standard PAL - SECAM B/G D/K, PAL I/I, SECAM L/L’ NICAM B/G, I, D/K, L, Sound system FM 2Carrier B/G, D/K Power consumption 21” : 49 W approx. 28” : 75 W approx. Sound Output Power 21”...
  • Page 4 Service manual CP 385 / CP785 Signal Description Matching value 0.7 Vpp ± 0.1V, Impedance 75W Green Input N.C. Red Earth Blanking Earth 0.7 Vpp ± 0.1V, Impedance 75W Red Input Fast Switching 0 to 0.4V : Logic “0”, 1 to 3V : Logic “1”, Impedance 75W Video Out Earth Video In Earth 1 Vpp ±...

  • Page 5: Channel Table

    Service manual CP 385 / CP785 1-2 Channel table FREQUENCY TABLE CP385/CP785 EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT 46.25 47.75 (L') 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...
  • Page 6 Service manual CP 385 / CP785 EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT 639.25 639.25 639.25 639.25 647.25 647.25 647.25 647.25 655.25 655.25 655.25 655.25 663.25 663.25 663.25 663.25 671.25 671.25 671.25 671.25 679.25 679.25 679.25 679.25 687.25 687.25 687.25 687.25 695.25 695.25 695.25...
  • Page 7 Service manual CP 385 / CP785 EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT 168.25 212.75 168.25 231.25 224.75 231.25 238.25 236.75 238.25 245.25 248.75 255.25 245.25 252.25 260.75 263.25 252.25 259.25 272.75 271.25 259.25 266.25 284.75 279.25 266.25 273.25 296.75 287.25 273.25 280.25 136.00...

  • Page 8: Atss Sorting Method

    Service manual CP 385 / CP785 1-3 ATSS sorting method The TV set sweeps all the TV bands from beginning of VHF to end of UHF. The TV controlling software for each program checks if a VPS CNI code is transmitted. If no VPS CNI code is found, the system check if a CNI code is transmitted in the teletext lines ( Packet 8/30 format 1 ).
  • Page 9 Service manual CP 385 / CP785 Special case : France If France is selected the TV controlling software sweeps the whole TV bands firstly with France system selected ( positive video modulation) and secondly with Europe system selected ( negative video modulation).

  • Page 10: Safety Instruction

    Service manual CP 385 / CP785 2 - Safety instruction WARNING: Only competent service personnel may carry out work involving the testing or repair of this equipment. X-RAY RADIATION PRECAUTION Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such hazards, the high voltage must not exceed the specified limit.

  • Page 11: Alignment Instructions

    Press “OK” again to allow the microcontroller to control the set again 3-2 Microcontroller configuration : Option Option Tuner maker Remark DAEWOO / SAMSUNG DAEWOO / SAMSUNG SIEL PHILIPS Option 3 is available from software version 3 only 3-3 TV set Alignment 3-3-1 - G2 alignement - TV in AV mode without video signal ⇒...
  • Page 12 Service manual CP 385 / CP785 3-3-4 - Vertical geometry - Adjust the Vertical Amplitude, Shift, S- Correction and Slope to compensate for vertical distortion. 3-3-5 - Horizontal picture centering - Adjust H Shift to have the picture in the center of the screen. 3-3-6 - East / West correction ( Chassis CP785 only ) - Adjust the H Parall, H Bow, H Width, EW Parabo, Up Corner, Dw Corner, EW trapez to compensate for geometrical distortion.
  • Page 13 Service manual CP 385 / CP785 EW Trapez 3-3-7 - AGC - Adjust the antenna signal level at 68 dBµV± 2 (UHF - CH25) - Set RF AGC to 0. - Increase RF AGC level and stop when the level on pin 6 of TDA936x goes below 2.5 Vdc - 12 -...

  • Page 14: Ic Description

    Service manual CP 385 / CP785 4 - IC description 4-1 TDA936x TV signal processor - Teletext decoder with embedded µ-Controller. TV-signal Processor l Multi-standard vision IF circuit with alignment-free PLL demodulator l Internal (switchable) time-constant for the IF-AGC circuit l Source selection between 'Internal' CVBS and external CVBS or Y/C signals l Integrated chrominance trap circuit l Integrated luminance delay line with adjustable delay time...
  • Page 15 Service manual CP 385 / CP785 l Inventory of transmitted Teletext pages stored in the Transmitted Page Table (TPT) and Subtitle Page Table (SPT) l Data Capture for US Closed Caption l 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 l Automatic selection between 625 WST/VPS on line 16 of VBI l Real-time capture and decoding for WST Teletext in Hardware, to enable optimised µ-processor...
  • Page 16 Service manual CP 385 / CP785 - Data Capture for 625 line WST - Data Capture for 525 line WST - Data Capture for US Closed Caption - Data Capture for VPS data (PDC system A) - Data Capture for Wide Screen Signalling (WSS) bit decoding - Automatic selection between 525 WST/625WST - Automatic selection between 625WST/VPS on line 16 of VBI - Real-time capture and decoding for WST Teletext in Hardware, to enable optimised microprocessor...
  • Page 17 Service manual CP 385 / CP785 - 16 -...
  • Page 18 Service manual CP 385 / CP785 TV processor version and µ-Controller capacity IC version TDA9365 Nx / 3 TDA9367 Nx /3 TV range 110° 90° QSS sound IF amplifier with ü ü separated input and AGC circuit ü ü PAL decoder ü...
  • Page 19 Service manual CP 385 / CP785 Chassis IC marking OSD languages ATSS country Text ( line 3 ) CP 785 DW9365/N1/3-BDx English, Polish, Poland, Pan-European, ( note : x is the Russian, Hungarian, Hungary, Czech East, Cyrillic, software version ) Czech, Slovakian, rep., Others Greek.
  • Page 20 Service manual CP 385 / CP785 SYMBOL DESCRIPTION QSS out QSS intercarrier output EHT0 EHT/Overvoltage protection PLLIF IF PLL loop filter IFVO IF video output main supply voltage TV-processor CVBSINT internal CVBS input GND1 ground 1 for TV-processor CVBS/Y external CVBS/Y input CHROMA chrominance input (SVHS) AMOUT...
  • Page 21 Service manual CP 385 / CP785 - 20 -...

  • Page 22: Msp3415D Multistandard Sound Processor

    Service manual CP 385 / CP785 4-2 MSP3415D Multistandard Sound Processor The MSP 3415D is designed as a single-chip Multistandard Sound Processor for applications in analogue and digital TV sets, video recorders, and PC cards. MSP 3415D features - sound IF input - No external filters required - Stereo baseband input via integrated AD converters - Two pairs of DA converters...
  • Page 23 Service manual CP 385 / CP785 - two selectable analogue pairs of audio baseband input (= two SCART inputs) input level: <2 V RMS, input impedance: >25 kΩ - one selectable analogue mono input (i.e. AM sound): Not used in this chassis - two high-quality A/D converters, S/N-Ratio: >85 dB - 20 Hz to 20 kHz bandwidth for SCART-to-SCART copy facilities - loudspeaker: one pair of four-fold oversampled D/A converters...
  • Page 24 Service manual CP 385 / CP785 TV standards Position of sound carrier Sound modulation Color system Country system (MHz) 5.5 / 5.7421875 FM Stereo Germany 5.5 / 5.85 FM-Mono / NICAM Scandinavia, Spain 6.5 / 5.85 AM - Mono / NICAM SECAM-L France 6.0 / 6.552...
  • Page 25 Service manual CP 385 / CP785 Pin No. Pin Name Type Short description In / Out Test pin In / Out Test pin Test pin Not Connected Test pin Test pin Test pin DVSUP Digital power supply +5V DVSS Digital Ground Not Connected Not Connected Not Connected...

  • Page 26: Tda894Xj Stereo Audio Amplifier

    Service manual CP 385 / CP785 Pin No. Pin Name Type Short description AVSS Analog ground AVSUP Analog power supply ANA_IN1+ IF input 1 ANA_IN1- IF common Not Connected TESTEN Test pin XTAL_IN Crystal oscillator XTAL_OUT Crystal oscillator Test pin 4-3 TDA894xJ Stereo Audio Amplifier The TDA 8944J ( TDA 8946J ) is a dual-channel audio power amplifier with an output power of 2 x 7 W ( 2 x 15 W ) at an 8 W load and a 12 V supply.

  • Page 27: Tda835Xj Vertical Amplifier

    Service manual CP 385 / CP785 Block diagram TDA8944J 4-4 TDA835xJ Vertical Amplifier The TDA835xJ are power circuit for use in 90° and 110° colour deflection systems for field frequencies of 25 to 200Hz and 16/9 picture tubes. The circuit provides a DC driven vertical deflection output circuit, operating as a highly efficient class G system.
  • Page 28 Service manual CP 385 / CP785 Pinning Symbol Description Vi(pos) input voltage (positive) Vi(neg) input voltage (negative) supply voltage output voltage B ground Vflb flyback supply voltage output voltage A guard output voltage O(guard) input measuring resistor - 27 -...

  • Page 29: Tda8358J

    Service manual CP 385 / CP785 4-4-1 TDA8358J An East-West output stage is provided that is able to sink current from the diode modulator circuit. Features : - Few external components - Highly efficient fully DC-coupled vertical output bridge circuit - Short rise and fall time of the vertical flyback switch - Guard circuit - Temperature (thermal) protection...

  • Page 30: Tda6107Q

    Service manual CP 385 / CP785 4-5 TDA6107Q The TDA6107Q includes three video output amplifiers in one plastic DIL-Bent-SIL 9-pin medium power package, using high voltage DMOS technology, and is intended to drive the three cathodes of a colour CRT directly. To obtain maximum performance, the amplifier should be used with black-current control.

  • Page 31: 24C08 8 Kbit Eeprom

    Service manual CP 385 / CP785 Block diagram TDA6107Q 4-6 24C08 8 Kbit EEPROM features : - 8 Kbit serial I2C bus EEPROM - Single supply voltage : 4.5 V to 5.5 V - 1 Million Erase/Write cycles (minimum) - 40 year data retention (minimum) Pin description Pin No.

  • Page 32: Str - F6653

    Service manual CP 385 / CP785 4-7 STR - F6653 4-7-1 General description The STR-F6653 is an hybrid IC with a build-in MOSFET and control IC, designed for flyback converter type switch mode power supply applications. 4-7-2 Features - Small SIP fully isolated molded 5 pins package - Many protection functions : * Pulse-by-pulse overcurrent protection (OCP) * Overvoltage protection with latch mode (OVP)
  • Page 33 Service manual CP 385 / CP785 4-7-4 Pins description name symbol description Overcurrent / feedback O.C.P./ F.B. Input of overcurrent detection signal and feedback signal Source MOSFET source Drain MOSFET drain Supply Input of power supply for control circuit Ground Ground 4-7-5 Control part electrical characteristics description...

  • Page 34: Circuit Description

    Service manual CP 385 / CP785 5 - Circuit description 5-1 Block diagram - 33 -...
  • Page 35 Service manual CP 385 / CP785 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR 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 µ-Controller/Teletext decoder as a reference.
  • Page 36 Service manual CP 385 / CP785 In the type TDA9367, intended for 90° picture tubes the following geometry parameters can be adjusted: • Horizontal shift • Vertical amplitude • Vertical slope • S-correction • Vertical shift The types which are intended to be used in combination with 110° picture tubes have an East-West control circuit.
  • Page 37 Service manual CP 385 / CP785 the desired free-running frequency and the bandgap reference to obtain the correct absolute value of the output signal. The VCO of the PLL is calibrated during each vertical blanking period, when the IC is in search or SECAM mode.
  • Page 38 Service manual CP 385 / CP785 5-2 IF The TDA936x has an alignment free IF PLL demodulator. The fully integrated oscillator is automatically calibrated, using the 12 Mhz crystal as a frequency reference. The IF frequency is simply set in TV-Processor by I2C bus. The AFC information is available via I2C bus from the TV-Processor status bytes.
  • Page 39 Service manual CP 385 / CP785 Chassis block diagram : IF - 38 -...

  • Page 40: Source Switching

    Service manual CP 385 / CP785 5-3 Source switching The TDA936x has only one external video input, the external video switching circuit made with Q504, Q505, Q507, Q508 and Q509 allows 2 external video signal inputs. The switching command can be either the SCART1 slow switching pin 8 or the µ-Controller pin 8 when the software takes control of the video source.

  • Page 41: Sound Processing

    Service manual CP 385 / CP785 High impedance This mode can be used for input only operation of the port. Special port for LED Pin 10 and 11 have the same functionality as the general I/O pins but in addition, their current source and sink capacity is 8 mA instead of 4 mA.
  • Page 42 Service manual CP 385 / CP785 In case of NICAM - mode, the phase samples are decoded according the DQPSK - coding scheme. The output of this block contains the original NICAM bitstream. DSP section All audio baseband functions are performed by digital signal processing (DSP). The DSP section controls the source and output selection, and the signals processing.
  • Page 43 Service manual CP 385 / CP785 Sound signal flow diagram - 42 -...

  • Page 44: Sound Amplification

    Service manual CP 385 / CP785 5-6 Sound amplification The TDA8944J (TDA8946J) is a stereo BTL audio amplifier capable of delivering 2 x 7 W (2 x 15 W) output power to an 8 Ω load at THD = 10%, using a 12 V power supply and an external heatsink. The voltage gain is fixed at 32dB.
  • Page 45 Service manual CP 385 / CP785 For HF loop stability a damping resistor (R305) is connected across the deflection coil. EAST-WEST Amplifier (TDA8358J only) The East-West amplifier is current driven. It can only sink currents of the diode modulator circuit. A feedback resistor R397 is connected between the input and output of this inverting amplifier in order to convert the East-West correction input into an output voltage.

  • Page 46: Power Supply (Str F6653)

    Service manual CP 385 / CP785 5-8 Power supply (STR-F6653) 5-8 -1 STR-F6653 general description The STR-F6653 is an hybrid IC with a build-in MOSFET and control IC, designed for flyback converter type switch mode power supply applications. 5-8 -2 Power supply primary part operations An oscillator generates pulses signals which turn on and off a MOSFET transistor.
  • Page 47 Service manual CP 385 / CP785 When the power switch is pushed on, V increases slowly. During this time, C806 is charged through R802. As soon as V reaches 16V, the STR-F6653 control circuit starts operating. Then, V is obtained by smoothing the winding voltage which appears between pin6 and pin7 of the SMPS transformer.
  • Page 48 Service manual CP 385 / CP785 * STR-F6653 oscillating operation TO PIN4 SM PS STR-F6653 D R A I N D R I V E Comp.1 V th(1) SOURCE R808 1.35mA From PIN 6 OCP/FB SM PS ( F E E D B A C K ) V th(2) R804 C850...
  • Page 49 Service manual CP 385 / CP785 ¬ When the MOSFET is ON, the STR-F6653 internal capacitor C1 is charged at the constant voltage 6.5V. At the same time, the voltage at pin 1 (OCP / FB) increases with the same waveform as the MOSFET drain current.

  • Page 50: Tv Start-Up, Tv Normal Run And Stand By Mode Operations

    Service manual CP 385 / CP785 5-9 TV start-up, TV normal run and stand-by mode operations 5-9-1 TV start-up operations * Schematic diagram for start-up operations I823 REG 3.3V G N D O U T RESET PULSE CIRCUIT O U T L511 L512 L510...
  • Page 51 Service manual CP 385 / CP785 . If the TV set was on normal run mode before switching off, the microcontroller delivers horizontal drive voltage at pin 33 and picture appears on screen. . If the TV set was on stand-by mode before switching off, the microcontroller switches TV set to stand-by mode, decreasing power pin voltage (pin 63).
  • Page 52 Service manual CP 385 / CP785 * Reset pulse circuit operations description - When DC supply voltage from I823 regulator starts rising (from 0V to 1.2V), no current flows through D591 zener diode. So, Q510 is in off mode. Also V =Vcc/2 -Vcc = -Vcc/2 >...
  • Page 53 Service manual CP 385 / CP785 On normal run mode, I501 microcontroller pin 63 (power) is set to high • So, I810 controlled rectifier is not conducting - Q809 is conducting. So, Q808 is not conducting and Q807 is conducting - So, Q807 collector is connected to the ground and I810 controlled rectifier gate pin is set to low (no conducting) •...
  • Page 54 Service manual CP 385 / CP785 * power supply functioning during TV set normal run mode - I801 transmits controlled pulses to T801 which generates DC voltages after rectifications by secondary part diodes and electro capacitors (by example by D820 and C813 on 143V (CP785) / 123V -113V (CP385) supply voltage line).
  • Page 55 Service manual CP 385 / CP785 I810 CONDUCTING controlled rectifier I823 3.3V R E G U L A T O R D821 C840 HIGH C841 AROUND AROUND 3.3Vdc 6V dc D825 T801 SM PS TRA N S R810 R713 I810 C O N T R O L L E D RECTIFIER I703 IR...
  • Page 56 Service manual CP 385 / CP785 I810 CONTROLLED RECTIFIER 6V DC HIGH R829 R830 R820 C830 HIGH Q807 Q808 HIGH POWER Q809 I810 controlled rectifier switching circuit * TV set stand-by mode operations -On stand-by mode, I501 microcontroller pin 63 (power) is set to low. - So, Q809 collector is set to high.

  • Page 57: Service Parts List

    Service Manual CP-385 / CP-785 6. Service Parts List 6-1 DTA-21Y1L (CP-385) " " Parts recommended for stock. " " Safety critical component, Replace only with genuine Daewoo safety part. REMARK REMARK PART CODE PART NAME DESCRIPTION PART CODE PART NAME...
  • Page 58 Service Manual CP-385 / CP-785 REMARK REMARK PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION C525 CCXB1H102K C CERA 50V B 1000PF K (TAPPING) C626 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5*11) TP C526 CMXB1H104J C MYLAR 50V EU 0.1MF J (TP) C629 CBXF1H104Z C CERA SEMI 50V F 0.1MF Z (TAPPING)
  • Page 59 Service Manual CP-385 / CP-785 REMARK REMARK PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION C910 CCXB1H152K C CERA 50V B 1500PF K (TAPPING) DA06 DTZX5V6B-- DIODE ZENER TZX5V6B (TAPPING) C965 CBXB3D102K C CERA SEMI 2KV BL(N) 1000PF K (T) DA08 DTZX5V6B-- DIODE ZENER TZX5V6B (TAPPING)
  • Page 60 Service Manual CP-385 / CP-785 REMARK REMARK PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION J100 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING Q811 TSTC1740Y- STC1740-Y J101 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING R101 RD-AZ473J- R CARBON FILM 1/6 47K OHM J J816 85801065GY WIRE COPPER...
  • Page 61 Service Manual CP-385 / CP-785 REMARK REMARK PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION R522 RD-AZ221J- R CARBON FILM 1/6 220 OHM J R620 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R523 RD-AZ331J- R CARBON FILM 1/6 330 OHM J R621 RD-AZ101J- R CARBON FILM...
  • Page 62 Service Manual CP-385 / CP-785 REMARK REMARK PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION RA03 RD-AZ101J- R CARBON FILM 1/6 100 OHM J SW702 5S50101090 SW TACT SKHV17910A RA04 RD-AZ101J- R CARBON FILM 1/6 100 OHM J SW703 5S50101090 SW TACT SKHV17910A...

  • Page 63: Dte-28G2F(Cp-785)

    Service Manual CP-385 / CP-785 6. Service Parts List 6-2 DTE-28G2F(CP-785) LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK ZZ100 48D3740A01 TRANSMITTER REMOCON R-40A01 ZZ202 PTSPPWD165 SPEAKER AS DTL-28G2F ZZ110 PTACPWD267 ACCESSORY AS DTA-21Y1L P601A 4850704S30 CONNECTOR YH025-04+35098+ULW=700 00010 486A716200 BATTERY...
  • Page 64 Service Manual CP-385 / CP-785 LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK C518 CBZF1H104Z C CERA SEMI 50V F 0.1MF Z (AXIAL) C615 CEXF1H109V C ELECTRO 50V RSS 1MF (5X11) TP C519 CEXF1H109V C ELECTRO 50V RSS 1MF (5X11) TP C616 CEXF1H100V C ELECTRO...
  • Page 65 Service Manual CP-385 / CP-785 LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK C841 CEXF1C222V C ELECTRO 16V RSS 2200MF(13X25)TP D830 DBYW36---- DIODE BYW36 (TAPPING) C844 CEXF1E101V C ELECTRO 25V RSS 100MF (6.3X11) TP D831 DBYW36---- DIODE BYW36 (TAPPING) C850 CCZB1H821K C CERA...
  • Page 66 Service Manual CP-385 / CP-785 LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK I805 1UPC574J-- UPC574J Q507 TSTA933Y-- STA933-Y I806 1SE130N--- SE130N Q508 TSTC1740Y- STC1740-Y I810 TX0202DA-- THYRISTOR X0202DA Q509 TSTA933Y-- STA933-Y I820 1KA7805--- IC REGULATOR KA7805 Q510 TSTA933Y-- STA933-Y I822...
  • Page 67 Service Manual CP-385 / CP-785 LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK R506 RD-AZ332J- R CARBON FILM 1/6 3.3K OHM J R591 RD-AZ221J- R CARBON FILM 1/6 220 OHM J R507 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R592 RD-AZ103J- R CARBON FILM...
  • Page 68 Service Manual CP-385 / CP-785 LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK R841 RD-2Z479J- R CARBON FILM 1/2 4.7 OHM J RA20 RD-AZ473J- R CARBON FILM 1/6 47K OHM J R850 RD-2Z479J- R CARBON FILM 1/2 4.7 OHM J RA21 RD-AZ473J- R CARBON FILM...
  • Page 69 Service Manual cp-385/cp-785...

  • Page 70: Exploded View

    Service Manual cp-385/cp-785 7. Exploded View 7-1. DTA-20T1...
  • Page 71 Service Manual cp-385/cp-785 7-2. DTA-20T2...
  • Page 72 Service Manual cp-385/cp-785 7-3. DTA-20T3...
  • Page 73 Service Manual cp-385/cp-785 7-4. DTA-20T8...
  • Page 74 Service Manual cp-385/cp-785 7-5. DTA-21T1...
  • Page 75 Service Manual cp-385/cp-785 7-6. DTA-21T2...
  • Page 76 Service Manual cp-385/cp-785 7-7. DTA-21T5...
  • Page 77 Service Manual cp-385/cp-785 7-8. DTA-21T9...
  • Page 78 Service Manual cp-385/cp-785 7-9. DTA-21Y1...
  • Page 79 Service Manual cp-385/cp-785 7-10. DTE-25G6...
  • Page 80 Service Manual cp-385/cp-785 7-11. DTE-25G7...
  • Page 81 Service Manual cp-385/cp-785 7-12. DTE-28G2...
  • Page 82 Service Manual cp-385/cp-785 7-13. DTE-28G6...
  • Page 83 Service Manual cp-385/cp-785 7-14. DTE-28G7...
  • Page 84 Service Manual cp-385/cp-785 7-15. DTE-2896...
  • Page 85 Service Manual cp-385/cp-785 7-16. DTE-2898...
  • Page 86 Service Manual cp-385/cp-785 7-17. DTE-28A6...
  • Page 87 Service Manual cp-385/cp-785 7-18. DTE-28A7...
  • Page 88 Service Manual cp-385/cp-785 7-19. DTE-28G8...
  • Page 89 Service Manual cp-385/cp-785 7-20. DTE-28B1...

  • Page 92: Circuit Diagram

    DAEWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : “ DAEWOOELEC” E-mail : G7F00E@web.dwe.co.kr FAX : 032) 510-7630 TEL : 032) 510-7624 PRINTED DATE : DEC. 1999...

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