Daewoo DTM-29U7Z SERIES Service Manual

Colour television 68 cm / 66 cm wide stereo

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Service Manual

Colour Television 68 Cm / 66 Cm WIDE STEREO
CHASSIS : CP-820F
MODEL :
DTM-29U7Z **
DTM-29U8Z **
DTM-2881Z **
DTM-28W8Z **

Specifications

SAMSUNG
29" FLAT : A68QCP893X925
CRT
LGPD
29" FLAT : A68ERF012X044
SYSTEM
PAL/SECAM-B/G,D/K,PAL-I/I',SECAM-L/L'
230V AC, 50Hz
Main Voltage
Stand-by mode : 3.0Watts
Power Consumption
Normal operating mode : 110 Watts
Sound Output
10 + 10 Watts, 10% THD at RF 60% mod. (1kHz)
Speaker
12W 8ohm x 2 EA
Antenna Impdeance
75 ohm unbalanced input (Din Standard)
Tuning System
Frequency Synthesize(FS) Tuning System
Tuner
UV1316/A(Philips), DT5-BF18D(Partsnics), TECC2949PG35W(S/S), EL2782-105-B(Siel)
Number of Program
100 programs
21 pin EURO-SCART jack (AV input, TV output, RGB input)
21 pin EURO-SCART jack (AV input, S-VHS input)
Aux. Terminal
RCA type AV input jack
S-VHS jack
Headphone jack
Remote Controller
R-22D06 with 2 "AAA" type batteries
TOP(5 Page memory) & FLOF(7 Page memory)
Teletext
- West option : English, German/Dutch/Flemish, French, Italian, Spanish/Portuguese, Swedish/Finnish/Danish,
Hungarian, Rumanian, Turkish
English, German, French, Italian, Spanish, Dutch, Swedish, Finnish,
OSD Language
Danish, Norwegian, Polish, Czech, Romanian, Hungarian
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(http://svc.dwe.co.kr)
DAEWOO ELECTRONICS Corp.
http : //svc.dwe.co.kr
S/M No: TCP820FBF0
CP-820F
28" FLAT : W66QDE993X912
28" FLAT : W66ERF022X044
NTSC-3.58/4.43 (Play back)
July. 2003

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Summary of Contents for Daewoo DTM-29U7Z SERIES

  • Page 1: Service Manual

    : 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(http://svc.dwe.co.kr) DAEWOO ELECTRONICS Corp. http : //svc.dwe.co.kr July. 2003...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SAFETY INSTRUCTION ........................2 SPECIFICATIONS ..........................3 CIRCUIT BLOCK DIAGRAM ......................4 ALIGNMENT INSTRUCTION ......................5 SCHEMATIC DIAGRAM ........................12 EXPLODED VIEW ..........................14 PRINTED CIRCUIT BOARD ......................18 SERVICE PARTS LIST ........................21 APPENDIX (" Appendix is provided only by internet [http://svc.dwe.co.kr] ") IC DESCRIPTION ..........................
  • Page 3: Safety Instruction

    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 prodece potentially haz- 2. The only source of X-RAY Radiation in this TV receiver ardous X-RAY RADIATION.
  • Page 4: Specifications

    SPECIFICATIONS Signal Designation Matching Value Audio Out (linked with 3) 0.5Vrms, Imp < 1 k (RF 60% MOD) Audio In (linked with 6) 0.5Vrms, Imp < 10 k Audio Out (linked with 1) 0.5Vrms, Imp < 1 k (RF 60% MOD) Audio Earth Blue Earth Audio in (linked with 2)
  • Page 5: Circuit Block Diagram

    CIRCUIT BLOCK DIAGRAM...
  • Page 6: Alignment Instruction

    ALIGNMENT INSTRUCTIONS User Remocon 1. R-22D06 TV........TXT TV........TXT PR UP......PAGE UP VOLUME....VOLUME (CURSOR UP) DOWN ....DOWN (CURSOR LEFT) VOLUME UP...VOLUME UP (CURSOR RIGHT) MENU.......MENU PR DOWN....PAGE DOWN (CURSOR DOWN) POWER....POWER NORMAL ....Not used PR ......PAGE A V ......Not used NUMBER NUMBER TXT ......
  • Page 7 ALIGNMENT INSTRUCTIONS * How to Enter the “ Service Mode ” with user remocon. 1) Set the TV Pr 91 2) Sharpness “ MIN “ control. 3) Push the Red, Green, Menu buttons in regular sequency within 5 seconds after setting TV power off. 4) You can see the Menu of “...
  • Page 8: 2Page

    ALIGNMENT INSTRUCTIONS Alignment Instructions for CP-820F Chassis 1PAGE CP-820F CHASSIS MODEL DTM-28W8ZLF DTM-28W8ZLS DTM-29U8ZLF DTM-29U8ZLS -010 -020 -010 -020 V. Slope V. Center V.Size S.Curve -331 -330 -336 -330 H.Center H.Width -075 -060 -107 -088 EW.Para EW.Cor Top EW.Cor Low -030 -020 -030...
  • Page 9 ALIGNMENT INSTRUCTIONS Standard B/G, D/K, I and L 1) Set a Signal Generator with - RF FREQUENCY = 38.9 MHz, - RF OUTPUT LEVEL = 80 5dBuV - Pattern = Color Bar - System = PAL-B/G 2) Connect the Signal Generator RF Output to TP2 (Tuner IF Output). There must be no signal input to the tuner.
  • Page 10 ALIGNMENT INSTRUCTIONS 3. VERTICAL SIZE * The VERTICAL CENTER adjustment has to be done in advance. 1) Apply a RETMA PATTERN Signal. 2) Set the TV to Normal I mode. 3) Adjust the VERTICAL SIZE of the picture with the select V.size by volume UP/DOWN keys.
  • Page 11 ALIGNMENT INSTRUCTIONS WHITE BALANCE 1. RGB Reference R 2. Beam Reference LOW ( 288, 301 : 10Cd/ ) HIGH ( 288, 301 : 100Cd/ 3. Adjust G, B Gain with select Menu G,B of BIAS, DRIVE of select Menu so that R, G, B Bars are on the center position of the analog meter.
  • Page 12 ALIGNMENT INSTRUCTIONS SVM (Scan Velocity Modulation) 1. SVM SVG : SVM Gain 2. SVM SVD : SVM Differentiator delay (0 = filter off) 3. SVM SVDEL : Delay of SVMOUT in steps of 12.5nS 2. SVM SVCOR : SVM coring value BCL (Beam Current Limit) 1.
  • Page 13: Schematic Diagram

    SCHEMATIC DIAGRAM...
  • Page 15: Exploded View

    EXPLODED VIEW DTM-29U7ZLS/DTM-29U7ZZS...
  • Page 16 EXPLODED VIEW DTM-29U8ZLS/DTM-29U8ZZS h...
  • Page 17 EXPLODED VIEW DTM-28W8ZLS/DTM-28W8ZZS...
  • Page 18 EXPLODED VIEW DTM-2881ZLS/2881ZZS...
  • Page 19: Printed Circuit Board

    PRINTED CIRCUIT BOARD...
  • Page 20 PRINTED CIRCUIT BOARD...
  • Page 21 PRINTED CIRCUIT BOARD...
  • Page 22: Service Parts List

    SERVICE PARTS LIST Caution:In this Service Manual, some parts can be changed for imroving, 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(http://svc.dwe.co.kr) is a recommendable part for stock. Caution is safety component, so it must be used the same component.
  • Page 23 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK 0000A 4857027603 HEAT SINK AL EX E206 4856310600 EYE LET BSR T0.2 (R2.3) 0000B 7174300811 SCREW TAPPTITE TT2 RND 3X8 MFZN E207 4856310600 EYE LET BSR T0.2 (R2.3) R306 RW01Y228F-...
  • Page 24 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK C503 CEXF1E101V C ELECTRO 25V RSS 100MF (6.3X11) TP R851 RN02B109JS R METAL FILM 2W 1 OHM J SMALL C603 CCXF1H333Z C CERA 50V F 0.033MF Z (TAPPING) SWF01 5S50101090 SW TACT...
  • Page 25 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK D408 D1N4148—- DIODE 1N4148 (TAPPING) J304 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING D409 D1N4148—- DIODE 1N4148 (TAPPING) J401 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING D420 D1N4937G—...
  • Page 26 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK J546 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J801 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J547 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J802 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING...
  • Page 27 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK R413 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R724 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J R414 RD-AZ751J- R CARBON FILM 1/6 750 OHM J R725 RD-AZ223J- R CARBON FILM...
  • Page 28 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK CCD18 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CD01 CEXF1C101V C ELECTRO 16V RSS 100MF (6.3X11) TP CCD19 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 1608 CD02 CEXF1H100V C ELECTRO...
  • Page 29 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK JD41 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING SCT1 4859302930 SOCKET CRT ISHS-09S JD42 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING SF01 5PK3953M— FILTER SAW K3953M JD43 85801065GY...
  • Page 30 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK L905 58C0000116 COIL BEAD HC-3550R J655 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING Q104 TKTC3197— KTC3197 (TP) J656 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING Q105 TKTC3198Y- KTC3198Y...
  • Page 31 SERVICE PARTS LIST PART CODE PART NAME DESCRIPTION REMARK R920 RD-2Z561J- R CARBON FILM 1/2 560 OHM J R921 RD-2Z561J- R CARBON FILM 1/2 560 OHM J R922 RD-2Z100J- R CARBON FILM 1/2 10 OHM J R923 RD-AZ222J- R CARBON FILM 1/6 2.2K OHM J R924 RD-AZ102J-...
  • Page 32 ■ CP-820F DIFFERENCE PARTS LIST 28" 16:9 FLAT 29" FLAT LOC. PCB ASS'Y REMARK NAME MODEL DTM-2881ZLS DTM-2881ZLF DTM-29U8ZLS DTM-29U8ZLF V901 W66QDE993X912 W66ERF022X044 A68QCP893X925 A68ERF012X044 CABINET AS 4859638160 4859638460 4859638260 4859640560 P405 SE100J+172792+USW=500 SE100J+172792+USW=600 CABINET AS D-Y CONN. 4850704N07 4850704N13 C405 1.6KV BUP 3900PF 1.6KV BUP 4300PF...
  • Page 33: Ic Description

    APPENDIX IC DESCRIPTION 5-1. ST92195 (1) General Description 1.1 INTRODUCTION the CPU and its peripherals stop operation and the I/O The ST92195 microcnontoller is developed and manufac- ports enter high impedance mode. A reset is necessary to tured by STMicroelecrtonics using a proprietary n-well exit from Halt mode.
  • Page 34 APPENDIX IC DESCRIPTION - Rounding, fringe, double width, double height, 1.1.9 PWM Output scrolling, cursor, full background colour, Control of TV settings is able to be made with up to eight semitransparent mode and reduced intensity colour 8-bit PWM outputs, with a frequency maximum of supported 23,437Hz at 8-bit resolution(INTCLK=12 MHz).
  • Page 35 APPENDIX IC DESCRIPTION (3) Block Diagram...
  • Page 36 APPENDIX IC DESCRIPTION (4) PIN DESCRIPTION RESET Reset (input, active low). The ST9+ is initialised HYNC/CSYNC Horizontal/Composite sync. Horizontal by the Reset signal. With the deactivation of RESET, or composite video synchronisation input to OSD. Posi- program execution begins from the Program memory tive or negativety.
  • Page 37 APPENDIX IC DESCRIPTION 5.2. VSP 9412A (1) Description – Integrated Video Matrix switch AA, BB (9432A/9442A only) • Up to seven CVBS inputs, up to two Y/C inputs, – Flexible output sync controller • Three CVBS outputs (Y/C inputs signals are com- •...
  • Page 38 APPENDIX IC DESCRIPTION (2) Block Diagram...
  • Page 39 APPENDIX IC DESCRIPTION (3) Pin Connections Pin Name Type Connection Short Description (If not used) VDDDACY DAC (Y) AYOUT Y output VSSDACY DAC (Y) VSSD2 Supply voltage for digital (0 V digital) VDDD2 Supply voltage for digital (1.8 V digital) C-Bus data Testmode select (Connected to vdd33) 656VIN/BLANK...
  • Page 40 APPENDIX IC DESCRIPTION Pin Name Type Connection Short Description (If not used) 656IO7 Leave open Digital input / output (MSB) VSSP2 Supply voltage for digital (0 V pad) VDDP2 Supply voltage for digital (3.3 V pad) C-Bus clk Connect to Vertical pulse for RGB input 656IO6 Leave open...
  • Page 41 APPENDIX IC DESCRIPTION Pin Name Type Connection Short Description (If not used) RIN1 Connect to R or V in1 (Analog input) GIN1 Connect to G or Y in1 (Analog input) BIN1 Connect to B of U in1 (Analog input) VDDARGB Supply voltage for RGB (1.8 V) VSSARGB Supply voltage for RGB (0 V)
  • Page 42 APPENDIX IC DESCRIPTION Pin Name Type Connection Short Description (If not used) CVBSO1 Leave open CVBS output 1 (Analog output) VDDAC2 Supply voltage CVBS2 (1.8 V) VSSAC2 Supply voltage CVBS2 (0 V) VDDD1 Supply voltage for digital (1.8 V digital) VSSD1 Supply voltage for digital (0 V digital) VDDAPLL...
  • Page 43 APPENDIX IC DESCRIPTION – average and peak beam current limiter – automatic picture tube adjustment (cutoff, drive) – histogram calculation 5-3 DDP3315C (1) General Description 1. Intr oduction Deflection Pr ocessing – scan velocity modulation output The DDP 3315C is a mixed signal single-chip digital –...
  • Page 44 APPENDIX IC DESCRIPTION (3) Pin Configuration BIN1 GIN1 FBLIN2 RIN1 RIN2/P FBLIN1 GIN2/Y AGND BIN2/P VRD/BCS ASG2 VSUPO XREF GNDO TEST BOUT RESQ GOUT ROUT 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 VERT- VERT+ GNDM...
  • Page 45 APPENDIX IC DESCRIPTION (4) Pin Circuits VSTBY Fig. 4–7: Output pin HOUT Fig. 4–3: Input pins LLC2, C[7:0], Y[7:0], HS, VS, VS2, HFLB, SAFETY, VPROT, 656EN, CM0, CM1, FREQSEL, RESQ, TEST VSUPP Fig. 4–8: Input pin SENSE GNDP Fig. 4–4: Output pins FIFORRD, FIFORD, FIFOWR, GNDM FIFORWR, DFVBL, HSYNC, VSYNC, PWM1, PWM2, PWMV...
  • Page 46 APPENDIX IC DESCRIPTION VSUPO GNDD Fig. 4–16: I/O pins SCL, SDA GNDO Fig. 4–12: Output pin EW VSUPO VRD/BCS ref. current int. ref. XREF voltage GNDO Fig. 4–13: Input pins XREF, VDR/BCS GNDO Fig. 4–14: Output pins SVM, ROUT, GOUT, BOUT VSUPD XTAL1 XTAL2...
  • Page 47 APPENDIX IC DESCRIPTION These pins are used to switch the RGB outputs to the Together with this pin, it can be used to drive symmetrical external analog RGB inputs. FBLIN1 switches the RIN1, deflection amplifiers. GIN1 and BIN1 inputs, FBLIN2 switches the RIN2, GIN2 and BIN2 inputs.
  • Page 48 APPENDIX IC DESCRIPTION Pin 65, 66 - Crystal Output / Input XTAL2 / XTAL1 Pin 51 - Supply Voltage, Digital Circuitry VSUPD* These pins are connectecd to an 5-MHz crystal oscillator. Pin 52 - Ground, Digital Circuitry GNDD* The security unit for the HOUT signal uses this clock sig- Digital Circuitry Input Reference nal as reference.
  • Page 49: Ic Dc Voltage Charts

    APPENDIX IC DC VOLTAGE CHARTS * Input signal PAL/CH5 - Video : 8 step colour bar ( 87% AM ) Audio : 1KHz sinewave ( 60% FM ) * User ’ s control condition Contrast, Brightness, Colour, Volume Controls-max. * Line voltage AC 230V, 50Hz * All the voltage in each point are measured with Multimeter.

This manual is also suitable for:

Dtm-29u8z seriesDtm-2881z seriesDtm-28w8z series

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