Daewoo DTM-29U7Z SERIES Service Manual Download Page 46

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IC DESCRIPTION

APPENDIX

Fig. 4–12: Output pin EW

Fig. 4–13: Input pins XREF, VDR/BCS

Fig. 4–14: Output pins SVM, ROUT, GOUT, BOUT

Fig. 4–15: Input pin XTAL1, Output pin XTAL2

Fig. 4–16: I/O pins SCL, SDA

VSUPO

GNDO

ref. current

VSUPO

GNDO

VRD/BCS

XREF

int. ref.

voltage

GNDO

GNDD

VSUPD

XTAL1

XTAL2

GNDD

REF

Summary of Contents for DTM-29U7Z SERIES

Page 1: ...sh Hungarian Rumanian Turkish Remote Controller Teletext 21 pin EURO SCART jack AV input TV output RGB input 21 pin EURO SCART jack AV input S VHS input RCA type AV input jack S VHS jack Headphone jac...

Page 2: ...ATIONS 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 dw...

Page 3: ...he 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 2 If any Fuse in this TV receiver is blown...

Page 4: ...5Vrms Imp 10 k RF 60 MOD 7 Blue in 0 7Vpp 2dB Imp 75 8 Slow Function Switching TV 0 2V PERI 9 5 12V Imp 10 k 9 Green Earth 10 NC 11 Green In 0 7Vpp 2dB Imp 75 12 NC 13 Red Earth 14 Rapid Blanking Swit...

Page 5: ...4 CIRCUIT BLOCK DIAGRAM...

Page 6: ...E UP VOLUME UP CURSOR RIGHT PR DOWN PAGE DOWN NORMAL Not used A V Not used TXT Not used Not used INDEX Not used C Zoom Double Window SOUND Not used MODE MUTE MUTE CURSOR DOWN Not used Size Not used Y...

Page 7: ...VC Menu by OSD in TV set ALIGNMENT INSTRUCTIONS Tuner is Flat Option Svm SVG Svm SVD Svm SVDEL Svm SVCOR Bcl Thres Bcl Tc Bcl Gain Nor1 Bright Nor1 Cont Nor1 Color Nor1 Sharp Nor1 Tint Nor2 Bright Nor...

Page 8: ...5 Double TEXT 000 000 000 000 Wide Option YES YES NO NO 2PAGE Tuner Is DWE DWE DWE DWE Flat Option YES YES YES YES Svm SVG 010 010 010 010 Svm SVD 002 002 002 002 Svm SVDEL 010 007 010 007 Svm SVCOR 0...

Page 9: ...3 0V 0 1V SCREEN G2 1 Set a Pattern Generator with RF Frequency 210 25MHz 10CH Pattern RETMA 2 Select the G2 in Menu 3 And a Horizontal Line will appear on the screen 4 Adjust the SCREEN VOLUME on FB...

Page 10: ...t picture centering with the select H Center by volume UP DOWN keys EW 1 WIDTH 1 Apply a RETMA PATTERN Signal 2 Adjust the horizontal width to make a perfect circle with the select H Width by volume U...

Page 11: ...ure can be seen DOUBLE TEXT CENTER 1 Pattern Pattern RED 2 Select Menu 3 Select DT in SVC menu time to see the Double Text Picture Left RF Picture Right Text Picture 4 Change the Double Text control k...

Page 12: ...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 ALIGNMENT INSTRUCTIONS BCL Beam Current Limit 1 BCL Thres BCL threshold curren...

Page 13: ...12 SCHEMATIC DIAGRAM...

Page 14: ...13...

Page 15: ...14 EXPLODED VIEW DTM 29U7ZLS DTM 29U7ZZS...

Page 16: ...CHASSIS CRT 4852163301 7172401212 4856015821 7172401612 COVER BACK SEREW TAPTITE SCREW CRT FIX SCREW TAPTITE SP 78128F02 TT2 WAS 3X10 MFZN HIPS GY 1 8 2 CP 885F 29 F CR T2 0 2 1 1 4 SWRM SK5 L 35 HIPS...

Page 17: ...16 DTM 28W8ZLS DTM 28W8ZZS EXPLODED VIEW...

Page 18: ...17 EXPLODED VIEW DTM 2881ZLS 2881ZZS...

Page 19: ...PRINTED CIRCUIT BOARD 18...

Page 20: ...PRINTED CIRCUIT BOARD 19...

Page 21: ...PRINTED CIRCUIT BOARD 20...

Page 22: ...J C809 CEYD2W221D C ELECTRO 450V FHS 220MF 25X50 C817 CH1BFE472M C CERA AC AC400V 4700PF M U C V C820 CEYF1E332V C ELECTRO 25V RSS 3300MF 16X31 5 C828 CEYE2D221E C ELECTRO 200V RM 220MF 18X35 5 C829...

Page 23: ...EYE LET BSR T0 2 R2 3 E204 4856310600 EYE LET BSR T0 2 R2 3 E205 4856310600 EYE LET BSR T0 2 R2 3 E206 4856310600 EYE LET BSR T0 2 R2 3 E207 4856310600 EYE LET BSR T0 2 R2 3 E208 4856310600 EYE LET B...

Page 24: ...L FILM 2W 4 7K OHM J SMALL R835 RN02B472JS R METAL FILM 2W 4 7K OHM J SMALL R851 RN02B109JS R METAL FILM 2W 1 OHM J SMALL SWF01 5S50101090 SW TACT THVH472GCA SWF02 5S50101090 SW TACT THVH472GCA SWF03...

Page 25: ...1 0 65 TIN COATING J407 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J408 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J410 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J411 85801065GY WIRE...

Page 26: ...IN COATING J734 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J735 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J736 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J737 85801065GY WIRE COPPER AW...

Page 27: ...R CARBON FILM 1 6 1K OHM J R723 RD AZ102J R CARBON FILM 1 6 1K OHM J R724 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R725 RD AZ223J R CARBON FILM 1 6 22K OHM J R726 RD AZ161J R CARBON FILM 1 6 160 OHM J R...

Page 28: ...DIAL AS DTM 2881ZLS CD01 CEXF1C101V C ELECTRO 16V RSS 100MF 6 3X11 TP CD02 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP CD03 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP CD04 CEXF1H100V C ELECTRO 50V RSS 10...

Page 29: ...CREW TAPPTITE TT2 WAS 3X10 MFZN Q909 PT62SW6900 HEAT SINK ASS Y TKTC4370AY 7178301011 00001 TKTC4370AY TR KTC4370AY 0000A 4857026900 HEAT SINK AL EX 0000B 7178301011 SCREW TAPPTITE TT2 WAS 3X10 MFZN S...

Page 30: ...IN COATING J656 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J657 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J658 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J659 85801065GY WIRE COPPER AW...

Page 31: ...ARBON FILM 1 6 39K OHM J R935 RD AZ563J R CARBON FILM 1 6 56K OHM J R936 RD AZ103J R CARBON FILM 1 6 10K OHM J R937 RD AZ820J R CARBON FILM 1 6 82 OHM J R938 RD 2Z100J R CARBON FILM 1 2 10 OHM J R939...

Page 32: ...1 6W 62K OHM F RN AZ7502F RN AZ7502F RN AZ6202F P902 LW 0640 03 HER 03 YBNH250 02 ULW 300 LW 0640 03 HER 03 YBNH250 02 ULW 300 4859205620 4850703N26 4859205620 4850703N26 R954 2W 6 8 OHM J 1W 8 2 OHM...

Page 33: ...ontroller keep running at a frequency programmable via the CCU In this mode the power consumption of the device can be reduced by more than 95 LP WFI Wait For Interrupt Mode The Wait For Inter rupt WF...

Page 34: ...56 lead Shrink DIP package 28 fully programmable I O pins Serial Peripheral Interface Flexible Clock controller for OSD Data Slicer and Core clocks running from one single low frequency external crys...

Page 35: ...3 3 Block Diagram IC DESCRIPTION APPENDIX...

Page 36: ...inverter and internal clock generator OSCOUT is the output of the oscillator inverter VSYNC Vertical Sync Vertical video synchronisation input to OSD Positive or negative polarity HYNC CSYNC Horizont...

Page 37: ...ontal scaling of the 2fH signal Scaling factors 3 0 75 including 16 9 compat ibility 5 zone panorama generator Embedded memory On chip memory controller Embedded DRAM core for field memory SRAM for PA...

Page 38: ...656 Encoder 51 8 8 8 8 50 Fine delay Y noise reduction 38 UV noise reduction 37 eDRA M memory controller 39 14 23 17 27 Pixelmixer 44 H postscaler 42 Panorama generator 43 V H avout auout ayout hout v...

Page 39: ...output 3 VSSDACY S I DAC Y 4 VSSD2 S Supply voltage for digital 0 V digital 5 VDDD2 S Supply voltage for digital 1 8 V digital 6 SDA I O I2C Bus data 7 TMS I Testmode select Connected to vdd33 8 656VI...

Page 40: ...double scan dependent on version 24 RESET I Reset input Reset when low 25 VDDP3 S Supply voltage for digital 0 V pad 26 VSSP3 S Supply voltage for digital 3 3 V pad 27 CLKOUT O Leave open Output clock...

Page 41: ...VDDAC1 S Supply voltage CVBS1 1 8 V 51 VSSAC1 S Supply voltage CVBS1 0 V 52 CVBS1 I Connect to vss CVBS input Analog input 53 CVBS2 I Connect to vss CVBS input Analog input 54 CVBS3 I Connect to vss...

Page 42: ...0 XIN I Crystal connection 1 71 TCLK I Testclock 72 VDDP1 S Supply voltage for digital 3 3 V pad 73 VSSP1 S Supply voltage for digital 0 V pad 74 656HIN CLKF20 I O Connect to vss and dis able clock Se...

Page 43: ...output digital EHT compensation for vertical east west soft start stop of H drive vertical angle and bow correction differential vertical outputs vertical zoom via deflection horizontal and vertical p...

Page 44: ...53 52 51 50 49 48 47 46 45 44 43 42 41 C0 C1 C2 C3 C4 C5 C6 C7 VSUPD GNDD Y0 Y1 Y2 Y3 Y4 Y5 NC EW VERT VERT GNDM SENSE RSW1 RSW2 VPROT SAFETY HFLB ASG1 NC VSYNC HSYNC DFVBL SCL RESQ TEST NC HCS ASG2...

Page 45: ...VBL HSYNC VSYNC PWM1 PWM2 PWMV Fig 4 5 Analog fastblank pins FBLIN1 FBLIN2 Fig 4 6 Input pins RIN1 GIN1 BIN1 RIN2 PR GIN2 Y BIN2 PB Fig 4 7 Output pin HOUT Fig 4 8 Input pin SENSE Fig 4 9 Output pin R...

Page 46: ...13 Input pins XREF VDR BCS Fig 4 14 Output pins SVM ROUT GOUT BOUT Fig 4 15 Input pin XTAL1 Output pin XTAL2 Fig 4 16 I O pins SCL SDA VSUPO GNDO P P P N ref current VSUPO GNDO VRD BCS XREF int ref vo...

Page 47: ...ed Pin 30 34 Fast Blank Input FBLIN1 2 These pins are used to switch the RGB outputs to the external analog RGB inputs FBLIN1 switches the RIN1 GIN1 and BIN1 inputs FBLIN2 switches the RIN2 GIN2 and B...

Page 48: ...nformatoion Either single or double vertical frequency or VGA vertical sync signal Pin 65 66 Crystal Output Input XTAL2 XTAL1 These pins are connectecd to an 5 MHz crystal oscillator The security unit...

Page 49: ...2 13 14 15 16 17 18 19 20 V DC 2 4 2 4 2 4 0 2 0 2 0 2 0 2 4 9 0 0 2 Pin No 21 22 23 24 25 26 27 28 29 30 V DC 0 0 0 4 9 0 1 0 1 0 0 1 0 1 0 Pin No 31 32 33 34 35 36 37 38 39 40 V DC 0 1 0 3 7 3 7 0 3...

Page 50: ......

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