Daewoo DVD-T6300N Service Manual Download Page 79

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Main PCB Schematic Diagram

Summary of Contents for DVD-T6300N

Page 1: ...nformation 3 Product Specification 4 Operating Instructions 5 Disassembly and Reassembly 6 Troubleshooting 7 Electrical Part List 8 Block Diagram 9 PCB Diagrams 10 Wiring Diagram 11 Schematic Diagrams 12 Oscillograms CONTENTS MANUAL SERVICE DVD PLAYER DVD T6300N ...

Page 2: ...th American National Standards institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL 1270 40 7 With the instrument s AC switch first in the ON position and then in the OFF position measure from a known earth ground metal water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinets screwheads metallic overlays control sh...

Page 3: ... 5 antenna wiring Always inspect in all areas for pinched out of place or frayed wiring Do not change spacing between a component and the printed circuit board Check the AC power cord for damage 5 Components parts and or wiring that appear to have overheated or that are otherwise damaged should be replaced with components parts and or wiring that meet original specifications Additionally determine...

Page 4: ...e indicated or printed on the cabinet chassis or components When servicing follow the printed or indicated service precautions and service materials 3 The components used in the unit have a specified flame resistance and dielectric strength When replacing components use components which have the same ratings Components I enti fied by shading by or by in the circuit diagram are important for safety...

Page 5: ...a grounded tip soldering iron to solder or unsolder ESD device 4 Use only an anti static solder removal devices Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its prote...

Page 6: ...t Supply Voltage Vcc 4 75 5 0 5 25 V High Level Input Voltage VIH 2 0 Vcc V Low Level Input Voltage VIL 0 0 8 V This is an optional output 2 1 1 Fiber Optic Transmitting Module for Digital Audio Equipments TOTX178 2 Reference Information 2 1 Component Descriptions ...

Page 7: ...7 Component Descriptions 2 1 2 NTSC PAL Digital Video Encoder ADV7170 ...

Page 8: ...8 Component Descriptions ...

Page 9: ...9 Component Descriptions ...

Page 10: ...r 24 bit 96KHz l Concurrent S PDIF out and 2 channel audio output l Sensaura Dolby Digital Virtual Surround l DTS Digital Surround 2 channel downmix stereo output l S PDIF output for encoded AC 3 DTS Digital output or Linear PCM Peripheral l Glueless unterface to DVD loaders ATAPI or A V bus I F l Bidirectional I 2 C audio interface l Direct servo loader interface l 8 general purpose auxiliary por...

Page 11: ...11 Functional Description Component Descriptions ...

Page 12: ...12 Component Descriptions Pinout Diagram ...

Page 13: ... the table for pin number 33 MCLK 39 I O Audio master clock for audio DAC TBCK 40 I O Audio transmit bit clock SDIF_DOBM 41 O S PDIF IEC958 Format Output RSD 45 I Audio receive serial data RWS 46 I Audio receive frame synch RBCK 47 I Audio receive bit clock APLLCAP 48 I Analog PLL Capacitor XIN 49 I Crystal input XOUT 50 O Crystal output DMA 11 0 66 61 58 53 O DRAM address bus DCAS 69 O Column add...

Page 14: ... Interface Acknowledge Signal active low HRD DCI_C LK 150 I I Host read DCI Interface Clock HD 15 0 141 140 137 131 128 122 I O Host data bus HWRQ 142 O Host write request HRDQ 143 O Host read request HIRQ 144 I O Host interrupt HRST 145 O Host reset HIORDY 146 I Host I O ready HWR 149 O Host write request AUX 7 0 169 165 162 160 I O Auxiliary ports LOE 170 O Device output enable active low LCS 3 ...

Page 15: ...15 Component Descriptions 2 1 4 DIGITAL TO ANALOG STEREO AUDIO CONVERTER CS4391 ...

Page 16: ...16 Component Descriptions ...

Page 17: ...17 Component Descriptions ...

Page 18: ...18 Component Descriptions ...

Page 19: ...s space 64 KB data memory address space Four 8 bit bi directional ports Three 16 bit timer counters One full duplex serial port UART Watchdog Timer Eight sources two level interrupt capability EMI reduction mode Built in power management Code protection mechanism Code protection mechanism Pin Configurations 2 1 5 8 BIT MTP MICROCONTROLLER W78LE52 Component Descriptions ...

Page 20: ...escriptions Block Diagram Absolute Maximum Ratings PARAMETER SYMBOL MIN MAX UNIT DC Power Supply VDD VSS 0 3 7 0 V Input Voltage VIN VSS 0 3 VDD 0 3 V Operating Temperature TA 0 70 C Storage Temperature TST 55 150 C ...

Page 21: ... O port which also provides a multiplexed low order address data bus during accesses to external memory The pins of Port 0 can be individually configured to open drain or standard port with internal pull ups P1 0 P1 7 PORT 1 Port 1 is a bi directional I O port with internal pull ups The bits have alternate functions which are described below T2 P1 0 Timer Counter 2 external count input T2EX P1 1 T...

Page 22: ...e Protect Pin for Hardware Data Protection 8 Byte Page 1K 2K 16 Byte Page 4K 8K 16K Write Modes Partial Page Writes Are Allowed Self Timed Write Cycle 10 ms max High Reliability Endurance 1 Million Write Cycles Data Retention 100 Years ESD Protection 3000V Automotive Grade and Extended Temperature Devices Available 8 Pin and 14 Pin JEDEC SOIC 8 Pin PDIP 8 Pin MSOP and 8 Pin TSSOP Packages Pin Conf...

Page 23: ...ram erase current 1µA typical CMOS Standby Flexible sector architecture 8 uniform sectors of 64 Kbyte each Any combination of sectors can be erased Supports full chip erase Sector protection Embedded Erase Algorithms Typical 100 000 program erase cycles per sector Compatible with FEDEC standards Pin Configurations 2 1 7 4 Megabit 512K x 8 FLASH A29040 ...

Page 24: ...ock Diagram Pin Descriptions Absolute Maximum Ratings Ambient Operating Temperature 55 C to 125 C Storage Temperature 65 C to 150 C VOC Ground 2 0V to 7 0V Output Voltage 2 0V to 7 0V Component Descriptions ...

Page 25: ...t EDO PAGE MODE access cycle n BYTE WRITE and BYTE READ access cycles Pin Descriptions PIN NO SYM TYPE DESCRIPTION 16 19 22 26 A0 A8 Input Address Input 14 RAS Input Row Address Strobe 28 CASH Input Column Address Strobe Upper Byte Control 29 CASL Input Column Address Strobe Lower Byte Control 13 WE Input Write Enable 27 OE Input Output Enable 2 5 6 10 31 43 36 39 I O1 I O6 Input Output Data Input...

Page 26: ...26 Block Diagram Pin Configurations Component Descriptions ...

Page 27: ...27 2 1 9 1Mbit x8 Multi Purpose Flsh SST39SF010A Features Pin Configurations Component Descriptions ...

Page 28: ...28 Block Diagram Pin Descriptions Component Descriptions ...

Page 29: ...29 2 1 10 System Reset Monolithic IC PST91XX Series Features Pin Assignment Component Descriptions ...

Page 30: ...P Package Servo System n Programmable equalizer for the Differential Phase tracking error Detection Circuit DPD n 70 KHz bandwidth for the focus and Pl circuits n Input programmable gain control amplifier n Servo algebra signals used for optical alignment seeking focusing and track folling Pull in Signal output Mirror Signal output Defect signal output BCA Burst Cutting Area code output Tracking E...

Page 31: ...able cutoff frequency 8 to 24MHz and 1 to 8MHz n Programmable boost equalization of 0 to 12 dB n Single ended normal outputs for pulse qualification n Differential normal signal output n 20 Fc accuracy Fc 2 to 4 MHz n 15 Fc accuracy Fc 4 to 10 MHz 8 to 24 MHz n Less than 2 total harmonic distortion n No external filter components required Auto LASER Power Control n Supports power mode selection n ...

Page 32: ...32 Component Descriptions Pin Configurations ...

Page 33: ...s ME1 40 I Mirror Envelope Input The SIGO envelope input pin MIN 35 I RF signal Input for Mirror AC coupled inputs for the mirror detection circuit from the pull in signal output PI DVDPD 21 I APC Input DVD APC input pin from the monitor photo diode CDPD 23 I APC Input CD APC input pin from the monitor photo diode LDON 25 I APC Output On Off APC output control pin A low level activates the LD outp...

Page 34: ...ference Voltage output This pin provides the internal DC bias reference voltage 2 5V Output impedance is less than 50ohms VCI 27 Reference Voltage Input DC bias voltage input for the servo input reference VCI2 18 Reference Voltage Input DC bias voltage input for the servo input reference RX 55 Reference Resistor Input An external 8 2 kohm 1 resistor is connected from this pin to around to establis...

Page 35: ...35 Component Descriptions 2 1 12 DVD ROM Controller Chip M5705 Pin Configurations ...

Page 36: ...36 Component Descriptions Block Diagram ...

Page 37: ... for TE Servo ADC Interface Pins XSVREF2 19 I A 2 1V reference voltage input XSRFRP 20 I A RF riffle envelope signal input XSTEXI 21 I A Tracking zero crossing input signal XSTEI 23 I A Tracking error input signal XSFEI 24 I A Focus error input signal XSCEI 25 I A 1 Center error input signal 2 Photo beam addition signal input XSSRAD 27 I A Sub beam addition signal input Servo PLL Interface Pins XS...

Page 38: ...30 O Chip selection signal for accessing control registers XSCLK 31 O Clock output for accessing control registers XSDATA 32 I O Registers data input output pin XSLDC 33 O Laser diode on off control registers XSFGIN 34 I Motor Hall sensor input XSSPDON 35 O Spindle motor on output XSFLAG 3 0 36 37 38 39 O These pins are used to monitor some status of control block ...

Page 39: ...gram store enable connected to extended ROM PSENJ pin XMALE 56 I O This signal is used as address latch signal in address data mux mode XMCSJ 70 I O This signal is used as the Read Strobe signal XMRDJ 71 I O This signal is used as the Read Strobe signal XMWRJ 72 I O This signal is used as the Write Strobe signal XMINT1J 73 I O This signal is an interrupt line to the nicrocontroller XMA 15 0 91 90 ...

Page 40: ... the host interrupt request and is asserted to indicated to the host that the controller needs attention 2 MPEG begin This pin is used as the BEGIN signal when MPEG interface mode is selected XHPDIAGJ 97 I O This pin is used as the Passed Diagnostics signal and may be an input or an open drain output XHPDSPJ 92 I O This pin is used as that Drive Active Slave Present signal and is an input or an op...

Page 41: ...D5 AD 28 Analog Power for ADC part AVDD5 PL 168 Analog Power for Data PLL part VDD 7 55 76 115 146 150 162 Power 3 3V for digital core logic and pad AVSS_DS 1 Analog Ground for Data Slicer part AVSS_DA 16 Analog Ground for DAC part AVSS_AD 22 Analog Ground for ADC part AVSS_PL 170 Analog Ground for Data PLL part GND 28 42 88 110 130 138 154 165 Digital Ground for core logic and pad ...

Page 42: ...ohm S Video Out Y 1 Vpp 75 ohm C 0 286 Vpp 75 ohm Component Out 0 7 Vpp 75 ohm D A Converter 27MHz 10bit n Audio Performance Frequency Response DVD fs 48 96KHz 4Hz 22 44KHz Video CD fs 44 1KHz 4Hz 20KHz Audio CD fs 44 1KHz 4Hz 20KHz Output Level Analog 2Vrms 1 KHz Digital 1 15 Vpp D A Converter 96KHz 24bit S N Ratio 110 dB NTSC PAL 3 Product Specifications ...

Page 43: ...l X1 Component Video Y Pb Pr X1 Composite Video out X1 S Video out X1 Optical audio out X1 option n Power Supply Power Source AC 90 250V 50 60Hz Power Consumption 25 Watt n Set Dimensions W X H X D 420 X 84 X 270 mm Net Weight 3 6 Kg Gross Weight 4 9 Kg Product Specifications ...

Page 44: ...d1 DVD Player TV with Video input Jack Method2 DVD Player TV with S video Jack Method3 DVD Player TV with Component Input Jack The way connected DVD Player and TV for Video is the same with the procedure described in above DVD Player TV with Audio Input Jack Connecting to AUDIO SYSTEM Method1 DVD Player 2CH Streo Amplifer Method2 DVD Player TV with Audio Input Jack R C ...

Page 45: ...TS processing TV set Operating Instructions Coaxial audio cable optional To coaxial digital audio input Optical audio cable optional To optical digital audio input Front Surround Center Surround Subwoofer Decoder or Amplifier with Dolby Digital dts Front ...

Page 46: ... three times and press the SELECT button Example 1 Press the RIGHT arrow button 2 Press the RIGHT arrow button 3 Press the RIGHT arrow button 4 Press the SELECT button When a MP3 disc is loaded you may see the menu screen as shown right To play a MP3 title you should select a title under the desired folder Use arrow button select the folder which you want to play by pressing the SELECT button If y...

Page 47: ...erse you can do that by pressing FF SF button or FR SR button There are total 6 steps for DVD 4 steps for VCD and 2 steps for CDDA in fast searching They are FAST 2X FAST 4X FAST 8X FAST 16X FAST 32X and FAST 64X for both direction To search at FAST 16X in forward direction press the FF SF button 4 times during play mode Example 1 Press the FF SF button 2 Press the FF SF button 3 Press the FF SF b...

Page 48: ...corded If the loaded disc supports multiple languages you can see the AUDIO indicator on fluorescent display In the figure shown right there are total 8 audio languages To select the third audio language press the AUDIO button twice during play Example 1 Press the AUDIO button 2 Press the AUDIO button This function works only with discs on which multiple subtitle lan gauges are recorded If the loa...

Page 49: ... angles If the loaded disc su pports multiple angles you can see indicator on the fluorescent display and the TV screen In the figure shown right there are total 9 angles To switch to the angle number 2 press the ANGLE button Example 1 Press the ANGLE button Operating Instructions 4 11 Selecting Angle ...

Page 50: ...sassembly and Reassembly 5 1 Open Top Cabinet Let s begin to disassemble Remove 4 screws on back top cabinet Remove 4 screws on the left and right side Lift up the cabinet in direction of arrow You have to lift up in direction of arrow certainly ...

Page 51: ...Fig 7 Fig 8 Fig 9 Fig 10 Remove 3 screws on the rear panel Disassemble the power cord Disjoint a rear panel from body direction of arrow View of dissembly top cabinet and rear panel 5 2 Rear Panel Removal ...

Page 52: ...sharp point into emergency hole and then push the tap in the hole in direction of arrow open tray manually Remove 2 screws Remove 3 screws Disconnect CN7 from Main PCB and CN3 from SMPS PCB Remove 1 screw Emergency hole 5 3 Ass y Front Panel Removal ...

Page 53: ...abinet Disassemble the Ass y Front Panel Remove 9 screws and disassemble the Front PCB Release 2 taps on the left and right side from the bottom cabinet Disassemble the door tray in direction of arrow Picture of seperated Ass y Front Panel and Front PCB Ass y Front Panel Removal ...

Page 54: ...54 Fig 22 Fig 23 Fig 24 Fig 25 Fig 26 Disconnect CN5 from Main PCB Remove 4 screws and dissemble SMPS Remove 2 screws Disconnect Jack PCB from Main PCB 5 4 Jack PCB and SMPS Removal ...

Page 55: ...55 Fig 27 Fig 28 Fig 29 When you take the DVD Player apart you can see this picture Remove 7 screws Disassemble Deck and Main PCB 5 5 Deck and Main PCB Removal ...

Page 56: ...e performed with the remote controller Check the batteries are installed with the correct polarities Point the remote control unit at the remote control sensor and operate Remove the obstacles between the remote control unit and remote control sensor No button operation Set the POWER button to OFF and then back to ON Alternatively turn off the power disconnect the power plug and then reconnect it ...

Page 57: ...57 1 Main board 7 Electrical Part List ...

Page 58: ...58 Electrical Part List ...

Page 59: ...M 5mm CE1 CE2 CE4 3 ELEC CAP 10uF 50V M 5mm CE3 P C B A S S Y F R O N T A X I 1 PCB 1 LAYER FR1 2 JUMPER 7mm JP1 JP2 JP3 JP4 JP5 JP7 JP8 JP9 JP20 JP24 3 JUMPER 10mm JP6 4 JUMPER 12mm JP10 JP19 JP22 JP23 JP25 JP26 5 JUMPER 13mm JP21 6 DIODE AXIAL D3 D4 D5 7 Axial Cap 50V 0 IUF Z AXIAL C1 C3 C4 C5 C6 C7 C8 8 AXIAL BEAD 3560 AXIAL L1 L2 9 AXI RES 1 6W 3 3K Ohm J AXIAL R1 R9 10 AXI RES 1 6W 56K Ohm J ...

Page 60: ...5V M 5mm 1 CE741 3 ELEC CAP 10uF 16V M 5mm 4 CE704 CE705 CE706 CE707 4 ELEC CAP 22uF 16V M 5mm 8 CE717 CE718 CE751 CE752 CE753 CE755 CE756 CE757 5 ELEC CAP 470uF 25V M 5mm 1 CE742 PCB ASS Y OUT_BD AXI 1 JUMPER 6 5mm 7 JP1 JP2 JP3 JP4 JP5 JP7 JP9 2 JUMPER 12 mm 6 JP6 JP8 JP10 JP11 JP12 JP13 3 INDUCT 15uH 4 L704 L705 L706 L707 ASS Y OUT_BD SMD_bottom 1 PCB 1 LAYER FR1 1 2 CHIP FERRITE BEAD 2012 3 L7...

Page 61: ...708 R709 R710 R711 18 CHIP RES 1 16W 120 Ohm J 0603 2 R754 R759 19 CHIP RES 1 16W 1 2k Ohm J 0603 4 R715 R718 R722 R724 20 CHIP RES 1 8W 75 Ohm J 0603 8 R728 R730 R733 R735 R764 R769 R774 R784 21 CHIP RES 1 8W 91 Ohm J 0603 1 R701 22 CHIP CAP 25V 27pF J COG 1608 8 C707 C708 C710 C711 C713 C714 C716 C717 23 CHIP CAP 25V 2700pF J COG 1608 4 C721 C722 C724 C726 24 CHIP CAP 25V 3pF J COG 1608 4 C706 C...

Page 62: ...62 4 SMPS PART LIST Electrical Part List ...

Page 63: ...63 Electrical Part List ...

Page 64: ...64 8 Block Diagram MAIN Board Block Diagram ...

Page 65: ...65 9 PCB Diagrams 9 1 Main PCB TOP ...

Page 66: ...66 9 2 Main PCB BOTTOM PCB Diagrams ...

Page 67: ...67 9 3 JACK PCB TOP PCB Diagrams ...

Page 68: ...68 PCB Diagrams 9 4 JACK PCB BOTTOM ...

Page 69: ...69 9 3 Front PCB Component Side 9 4 Front PCB Solder Side PCB Diagrams ...

Page 70: ...70 9 5 SMPS PCB Top Side PCB Diagrams ...

Page 71: ...71 10 Wiring Diagram Wiring Diagram ...

Page 72: ...72 11 Schematic Diagrams 11 1 SMPS PCB Schematic Diagram ...

Page 73: ...73 11 2 Front PCB Schematic Diagram ...

Page 74: ...74 11 3 Main PCB Schematic Diagram ...

Page 75: ...75 Main PCB Schematic Diagram ...

Page 76: ...76 Main PCB Schematic Diagram ...

Page 77: ...77 Main PCB Schematic Diagram ...

Page 78: ...78 Main PCB Schematic Diagram ...

Page 79: ...79 Main PCB Schematic Diagram ...

Page 80: ...80 1 2 3 4 5 Main PCB Schematic Diagram ...

Page 81: ...81 5 6 7 Main PCB Schematic Diagram 4 ...

Page 82: ...82 8 9 10 11 ONLY 5 1 CH OPTION Main PCB Schematic Diagram ...

Page 83: ...83 12 13 14 17 15 16 18 19 Main PCB Schematic Diagram ...

Page 84: ...84 Schematic Diagrams 11 4 JACK PCB Schematic Diagram 21 22 ...

Page 85: ...85 20 23 24 11 JACK PCB Schematic Diagram ...

Page 86: ...86 1 27MHz 2 ROM DATA BUS 3 RAM DATA BUS 4 12C CLK 5 12C DATA 6 HSYNC 12 Oscillograms ...

Page 87: ...87 7 VSYNC 8 BCLK DVD 9 LRCK DVD 10 TSDO 11 MCLK 12 HOST DATA Oscillograms ...

Page 88: ...88 13 HOST CLK 14 HOST CS 15 MC DACO 16 MD DACO 17 VFD DATA 18 VFD STB Oscillograms ...

Page 89: ...89 19 VFD CLK 20 COMPOSITE OUT 21 COXIAL OUT 22 OPTICAL OUT 23 S VIDEO 24 COMPONENT OUT Oscillograms ...

Page 90: ...90 MEMO ...

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