Daewoo DHC - 2300K Service Manual Download

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* Features

Single-chip DVD video decoder in a 208-pin PQFP package

Supports MPEG-1 system and MPEG-2 program streams

Programmable multimedia processor architecture

Compatible with Audio CD, Video CD, VCD 3.0, and Super Video CD(SVCD)

DVD Navigation 1

Built-in Content Scrambling System(CSS)

Audio

Built-in Karaoke key-shift function

Dolby

Digital 2-channel downmix audio output for Dolby

Dolby

Pro Logic

Linear PCM streams for 24 bit / 96KHz

Concurrent S/PDIF out and 2-channel audio output

Sensaura Dolby Digital Virtual Surround

DTS Digital Surround 2-channel downmix stereo output

S/PDIF output for encoded AC-3, DTS Digital output or Linear PCM

Peripheral

Glueless unterface to DVD loaders (ATAPI or A/V bus I/F)

Bidirectional I

C audio interface

Direct servo / loader interface

8 general-purpose auxiliary ports

Single 27MHz clock input

Smart Technology

SmartZoom

for motion zoom & pan

SmartScale

for NTSC to PAL conversion and vice versa

SmartStream

for video error concealment

2-1-4 DVD Processor Chip (Swan-2

ES4318)

Component Descriptions

Summary of Contents for DHC - 2300K

Page 1: ...LAYER CONTENTS 1 Precautions 2 Reference Information 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 ...

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: ...inition 39 1 40 2 Interface Connector Electrical Charateristics 1 Power 1 1 Voltage 5V DC with 5 tolerance less than 100mVp p Ripple Voltage 12V DC with 10 tolerance less than 150mVp p Ripple Voltage 1 2 Current Continuous Reading 5V DC 500mA Average 12V DC 300mA Average Seeking Spin up 5V DC 0 8 A Maximum 12V DC 1 5 A Maximum 2 Signal Summary The physical interface consists of single ended TTL co...

Page 7: ...ASP 39 NC 20 GND 40 Appendix 1 DSL 710A Block Diagram Spindle Motor Focus Coil Track Coil Sled Motor Loading Motor BA6664FM Spindle Motor Drive BA5954FP 4Ch Motor Drive 80C52 System Controller Flash Memory 1Mbit MT1366 RF AMP Laser Driver Equalizer Error Gen Disc Motor Unit Laser Pickup MT1368 Decoder Servo ATAPI Buffer Manager Demodulator Error Correction PLl Focus Tracking Feeding Loading DRAM 4...

Page 8: ...300CA 11440 Mabuchi Japan Loading Motor MDN3BL3CSA Matsushita Japan RF 300CA 11440 Mabuchi Japan Sled Motor MDN3BL3CSA Matsushita Japan Laser Pick up SF HD3 Sanyo Japan Actuator Drive BA5954FP Rohm Japan Spindle Motor Drive BA6664FM Rohm Japan RF Amp MT1366 Media Tek Taiwan Servo DSP MT1368 Media Tek Taiwan Component Descriptions ...

Page 9: ... Item Symbol Min Typ Max Unit 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 Component Descriptions 2 1 2 Fiber Optic Transmitting Module for Digital Audio Eqipments TOTX178 ...

Page 10: ...10 Component Descriptions 2 1 3 NTSC PAL Digital Video Encoder ADV7170 ...

Page 11: ...11 Comonent Descriptions mA ...

Page 12: ...12 Comonent Descriptions ...

Page 13: ...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 14: ...14 Functional Description Component Descriptions ...

Page 15: ...15 Component Descriptions Pinout Diagram ...

Page 16: ...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 addr...

Page 17: ... 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 18: ...18 Component Descriptions 2 1 5 DIGITAL TO ANALOG STEREO AUDIO CONVERTER CS4391 ...

Page 19: ...19 Component Descriptions ...

Page 20: ...20 Component Descriptions ...

Page 21: ...21 Component Descriptions ...

Page 22: ...22 Component Descriptions 2 1 6 DIGITAL TO ANALOG STEREO AUDIO CONVERTER CS4340 ...

Page 23: ...23 Component Descriptions ...

Page 24: ...24 Component Descriptions ...

Page 25: ...25 ABSOLUTE Maximum Ratings Power Suppiy Voltage 6 0V Input Current 15mA Power Dissipatron 75mW Operating Temperature Range 55 125 C Storage Tenperature 65 150 C Component Descriptions ...

Page 26: ...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 7 8 BIT MTP MICROCONTROLLER W78LE52 Component Descriptions ...

Page 27: ... is a bi directional I 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 c...

Page 28: ...AM 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 Component Descriptions ...

Page 29: ...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 30: ...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 9 4 Megabit 512K x 8 FLASH A29040 ...

Page 31: ...31 Block Diagram 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 32: ...2 3 Burst Length 1 2 4 8 full page Burst Type Sequential Interleave n All inputs are sampled at the positive going edge of the n system clock n Burst Read Single bit Write operation n DQM for masking n Auto self refresh n 64ms refresh period 4K cycle n 50 Pin TSOP II Pin Configuration 2 1 10 512K X 16 Bit X 2 Banks Synchronous DRAM A43L0616 Component Descriptions ...

Page 33: ...bank to be activated during row address latch time Selects band for read write during column address latch time RAS Row Address Strobe Latches row addresses on the positive going edge of the CLK with RAS low Enables row access precharge CAS Column Address Strobe Latches column addresses on the positive going edge of the CLK with CAS low Enables column access WE Write Enable Enables write operation...

Page 34: ... 75 ohm S Video Out Y 1 Vpp into 75 ohm C 0 286 Vpp into 75 ohm Component Out 0 7 Vpp into 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 3 Product Specifications ...

Page 35: ...Component Video X1 SCART connector for External Video X1 option Composite Video out X1 S Video out X1 Optical out X1 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 36: ...onnections Audio equipment TV set Audio cable optional To audio input connector red white S Video cable optional To S Video input connector Video audio cable supplied To video input connector yellow Video audio cable supplied To video input connector yellow Audio cable optional To audio input connector ...

Page 37: ...udio cable optional To coaxial digital audio input Optical audio cable optional To optical digital audio input Decoder or Amplifier with Dolby Digital dts Front Subwoofer Surround Centre Front Surround S Video cable optional Video audio cabl supplied To audio input connector red white To video input connector yellow Operating Instructions ...

Page 38: ... 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 39: ...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 40: ...ecorded If the loaded disc supports multiple languages you can see the AUD 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 load...

Page 41: ... 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 42: ...42 Operating Instructions Remained to be defined ...

Page 43: ...te If Tray doesn t open insert a Screw driver into the Emergency hole as shown in detailed drawing and then turn it in the direction of arrow B Open Tray manually 5 Disassembly and Reassembly 5 1 Cabinet and PCB 5 1 1 Door Tray Removal Tray Door Tray Emergency Hole Screw Driver Bottom View Fig 5 1 Door Tray Removal ...

Page 44: ...n the back Top Cabinet 2 Remove 2 Screws on the left and right side 3 Lift up the Top Cabinet in direction of arrow Disassembly and Reassembly 5 1 2 Top Cabinet Removal 2 Screws 3 Screws 2 Screws Fig 5 2 Top Cabinet Removal ...

Page 45: ...isconnect PCN4 3 Disconnect LCN1 4 Disconnect CON2 5 Disconnect CON1 º 6 Disconnect CON6 7 Disconnect LCN7 7 5 1 3 PCB Cable Removal Disassembly and Reassembly PCN1 PCN4 7 LCN7 CON2 º CON1 Fig 5 3 PCB Cable Removal LCN1 º CON6 ...

Page 46: ...move 8 Screws and disassemble the Main PCB and SMPS PCB º 3 Remove 5 Screws and disassemble the Front Ass y 5 1 4 PCB and Front Ass y Removal Disassembly and Reassembly 8 Screws 5 Screws º SMPS PCB Main PCB Front Ass y Fig 5 4 PCB and Front Ass y Removal ...

Page 47: ...47 1 Remove 4 Screws and disassemble the Loader 5 1 5 Loader Removal Disassembly and Reassembly 4 Screws Loader Fig 5 5 Loader Removal ...

Page 48: ...48 1 Remove 7 Screws and disassemble the Front PCB from the Front Ass y 5 1 6 Front PCB Removal 7 Screws Front Ass y Front PCB Disassembly and Reassembly Fig 5 6 Front PCB Removal ...

Page 49: ...ith 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 Audio soundtr...

Page 50: ...50 Troubleshooting Remained to be defined ...

Page 51: ...CB insert 1 CON110 10 Optical Connector for Audio 1 CON109 11 X TAL 11 0592MHZ HC 49 S 20pF HC 49 S 1 X601 12 X TAL 27MHZ HC 49 S 20pF HC 49 S 1 X201 PCB ASS Y MAIN DIP 1 40PIN DIP MPU SOCKET DIP 1 U701 2 32PIN DIP ROM SOCKET DIP 1 U202 PCB ASS Y MAIN RAD 1 ELEC CAP 100uF 16V M 5mm 5 CE101 CE104 CE105 CE106 CE107 2 ELEC CAP 100uF 25V M 5mm 3 CE102 CE103 CE526 3 ELEC CAP 10uF 16V M 5mm 30 CE108 CE1...

Page 52: ...18 Q519 Q520 Q521 Q522 Q523 Q524 Q525 Q526 Q527 Q528 Q529 Q530 Q531 Q532 Q533 Q534 Q535 Q536 Q537 Q546 Q547 21 GENERAL TR PNP SOT 23 0 22 Switching TR NPN SOT 23 5 Q538 Q539 Q541 Q544 Q701 23 Switching TR PNP SOT 23 5 Q540 Q542 Q545 Q550 Q702 24 CHIP RES 1 10W 0 ΩJ 1608 14 R107 R203 R207 R209 R245 R252 R265 R406 R501 R506 25 CHIP RES 1 10W 10 ΩJ 1608 13 R202 R253 R254 R255 R256 R257 R258 R259 R260...

Page 53: ...66 R367 52 CHIP CAP 25V 3pF J COG 1608 4 C402 C411 C414 C417 53 CHIP CAP 25V 22pF J COG 1608 1 C202 54 CHIP CAP 25V 2700pF J COG 1608 8 C302 C303 C304 C305 C310 C312 C314 C316 55 CHIP CAP 25V 27pF J COG 1608 16 C203 C207 C208 C210 C211 C212 C403 C404 C412 C413 C415 C416 C418 C419 C701 C702 56 CHIP CAP 25V 33pF J COG 1608 6 C201 C220 C221 C222 C223 C224 57 CHIP CAP 25V 330pF J COG 1608 4 C313 C315 ...

Page 54: ...insert 1 CON110 10 Optical Connector for Audio 1 CON109 11 X TAL 11 0592MHZ HC 49 S 20pF HC 49 S 1 X601 12 X TAL 27MHZ HC 49 S 20pF HC 49 S 1 X201 PCB ASS Y MAIN DIP 1 40PIN DIP MPU SOCKET DIP 1 U701 2 32PIN DIP ROM SOCKET DIP 1 U202 PCB ASS Y MAIN RAD 1 ELEC CAP 100uF 16V M 5mm 5 CE101 CE104 CE105 CE106 CE107 2 ELEC CAP 100uF 25V M 5mm 3 CE102 CE103 CE526 3 ELEC CAP 10uF 16V M 5mm 30 CE108 CE109 ...

Page 55: ...537 Q546 Q547 Q548 21 GENERAL TR PNP SOT 23 1 Q543 22 Switching TR NPN SOT 23 6 Q538 Q539 Q541 Q544 Q549 Q701 23 Switching TR PNP SOT 23 5 Q540 Q542 Q545 Q550 Q702 24 CHIP RES 1 10W 0 ΩJ 1608 8 R107 R203 R207 R209 R245 R252 R265 R406 25 CHIP RES 1 10W 10 ΩJ 1608 13 R202 R253 R254 R255 R256 R257 R258 R259 R260 R261 R262 R263 R264 26 CHIP RES 1 10W 100 ΩJ 1608 12 R561 R566 R571 R576 R581 R586 R591 R...

Page 56: ... CHIP CAP 25V 2700pF J COG 1608 8 C302 C303 C304 C305 C310 C312 C314 C316 55 CHIP CAP 25V 27pF J COG 1608 16 C203 C207 C208 C210 C211 C212 C403 C404 C412 C413 C415 C416 C418 C419 C701 C702 56 CHIP CAP 25V 33pF J COG 1608 6 C201 C220 C221 C222 C223 C224 57 CHIP CAP 25V 330pF J COG 1608 4 C313 C315 C317 C321 58 CHIP CAP 25V 47pF J COG 1608 10 TC201 C501 C502 C503 C504 C505 C506 C507 C508 C530 59 CHI...

Page 57: ...11 CHIP RES 1 10W 3 3K ΩJ 0603 2 R911 R913 12 CHIP RES 1 10W 6 2K ΩJ 0603 2 R912 R914 13 DUAL OP AMP SOIC 1 U901 Total 3 Front Board NO Spec description Pak Usa Location No PCB ASS Y FRONT T U PCB ASS Y FRONT M I 1 IR INFRA RECIEVER L Type 1 U2 2 TR TO 92 1 Q1 3 VFD DISPLAY 1 U3 4 FrontPowerWire 5Pin 5Pin PCB PCB IN WIRE 1 CON2 5 FrontSignalWire 11Pin 11Pin PCB PCB IN WIRE 1 CON1 6 TACT S W 4PIN 5...

Page 58: ...6 29 12 PE CAP YSG472J2AN 5mm 3 PC3 23 61 13 PE CAP PEA102J2AN 5mm 2 PC24 60 14 PE CAP PEA103J2AN 5mm 1 PC7 15 PE CAP PEA682J2AN 5mm 1 PC5 16 FRD FR103 4 PD9 14 16 17 17 FRD FR204 1 PD7 18 FRD FR107 2 PD5 6 19 FRD FR154 1 PD11 20 SRD SR204 1 PD10 21 RECTIFIER 1N4007 6 PD1 2 3 4 18 19 22 ZENER 1N5252 500mW DO 35 3 PZD2 5 6 23 ZENER 1N5234 500mW DO 35 1 PZD4 24 ZENER 1N5242 500mW DO 35 3 PZD1 3 7 PC...

Page 59: ...L3 4 6 8 10 PCB ASS Y SMPS M I 1 MOS FET IRF 830 T0 220 2 PQ1 3 2 VTG REGULATER KA7805 T0 220 1 PU9 3 VTG REGULATER KA7812 T0 220 1 PU4 4 ELEC CAP 47uF 400 105 1 PC2 5 250VAC 104 1 PC1 6 FRD SF34 1 PD8 7 TCET 1103 2 PU1 6 8 RES MOF 2W 1K ΩJ MOR 2 PR4 47 9 RES MOF 2W 12K ΩJ MOR 2 PR8 20 10 RES MOF 2W 470 ΩJ MOR 1 PR27 11 Y CAP 332 Y 1 1 PC20 12 TRANS EER2229 1 PT1 13 TRANS EER2828 1 PT2 14 LINEFILT...

Page 60: ...60 Electrical Part List Remained to be defined ...

Page 61: ...61 8 Block Diagram POWER PCB LOADER DVS A V DECODER MAIN CPU VFD KEY MATRIX RCU REMOCON EYE VIDEO ENCODER D A CONVERTE R SUB MICOM MAIN PCB FRONT PCB HEAD PHONE PCB ...

Page 62: ...62 Block Diagram Remained to be defined ...

Page 63: ...63 9 PCB Diagrams 9 1 Main PCB Component Side ...

Page 64: ...64 9 2 Main PCB Solder Side PCB Diagrams ...

Page 65: ...65 9 3 Front PCB Component Side 9 4 Front PCB Solder Side PCB Diagrams ...

Page 66: ...66 9 5 SMPS PCB Top Side PCB Diagrams ...

Page 67: ...67 9 6 SMPS PCB Bottom Side PCB Diagrams ...

Page 68: ...68 10 Wiring Diagram ...

Page 69: ...69 Wiring Diagram Remained to be defined ...

Page 70: ...70 11 Schematic Diagrams 11 1 Main PCB Schematic Diagram 11 1 1 Main PCB Top Schematic diagram ...

Page 71: ...71 Schematic Diagrams 11 1 2 Main PCB A V Decoder Block Schematic diagram ...

Page 72: ...72 Schematic Diagrams 11 1 3 Main PCB Submicom Block Schematic diagram ...

Page 73: ...73 Schematic Diagrams 11 1 4 Main PCB Video Block Schematic diagram ...

Page 74: ...74 Schematic Diagrams 11 1 5 Main PCB Audio Block Schematic diagram ...

Page 75: ...75 11 1 6 Main PCB Out Stage Block Schematic diagram Schematic Diagrams ...

Page 76: ...76 11 2 Front PCB Schematic Diagram 11 2 1 Front PCB Schematic diagram ...

Page 77: ...77 11 3 SMPS PCB Schematic Diagram ...

Page 78: ...78 Schematic Diagrams Remained to be defined ...

Page 79: ...79 TaeYoung Telstar Co Ltd May 2001 Printed in Korea ...

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