Daewoo DG-K301 Service Manual Download Page 1

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July. 2007

Service Manual

DG-K301

✔

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.

DVD PLAYER

MODEL:

Summary of Contents for DG-K301

Page 1: ...tion 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 DVD PLAYER MODEL ...

Page 2: ... CONTENTS CONTENTS SPECIFICATIONS 2 CIRCUIT OPERATIONAL DESCRIPTION 3 VOLTAGE CHARTS 16 CIRCUIT DIAGRAM 18 PCB CIRCUIT BOARD 24 WAVEFORMS 27 TROUBLE SHOOTING 36 INSTRUMENT DISASSEMBLY 41 PARTLIST 42 ...

Page 3: ...s Luma 1 0 0 1Vp p Chromaticity Color 0 286 20 Load impedance 75Ω Component Y 1Vp p Pb Pr 0 7Vp p Load impedance 75Ω Power 100 240V 50Hz 60Hz 12W Dimensiones Body W x H x D 360 x 38 x 215 mm Packing 437 x 90 x 280 mm Weight Gross Net 1 97Kg 1 41Kg Notes Design and specifications in this instruction manual are subjected to change with out prior notice toimprove quality and function DVD Audio output...

Page 4: ...d to each IC and the SET will be the STAND BY status which requires the least power for input the front panel key input the STAND BY ON key extinguished the LED Once the Power On key is entered u Com recognizes it and initiates each chipset performs sequential algorithms such as determining whether the disc is in or not and if in what type of disc is loaded Through this process it can read disc da...

Page 5: ...n a short term Mecha and Servo Mecha mounts with the optical pick up which allows reading the signal of a disc using laser beam and makes it operates and consists of the deck mechanism which allows loading a disc and reading the data Servo is a sort of circuit which allows operating the loader and recovering the data and consists of Motor Drive IC operating the spindle the sled the loading motor L...

Page 6: ...LED FEEDING MOTOR SLD M 3 3V 1 2V 3 3V Q5 Q9 Q15 VIDEO BUFFER SPDF_R RGB_SW MODE1 MODE2 CDLD DVDLD SSTOP OPEN_SW CLOSE_SW FDB 0 7 U1 6928 POWER BOARD VSTB MUTE IC104 32M 16BIT SDRAM MMSD416T216 SDRAM_3 3V MDA 00 11 DCLK CKE BA0 BA1 DQM NDWE NCAS NRAS IC100 SAMSUNG S5L5008 12V OPEN CLOSE SLD_PWM FOD CD DVD_SW VR_CD VR_DVD CD DVD SPD_SENSE CON5 UART Download UART_RXD TXD Q14 1 2V IC1 AT5669 Motor Dr...

Page 7: ...video encoder with a dual output capability of interlaced and progressive scan Memory con troller 4 channel Timers with PWM I O Ports 1 channel 10 bit ADCsfor Servo control 5 channel 10 bitVideo DACs 1 channel UART with handshake IIC BUS interface IIS BUS interface SIO 6 in 1 Card Interface SPDIF in out Audio PWM outand PLL for clock generation The S5L5008 is fabricated in a standard 0 13um CMOS t...

Page 8: ...Scaling Video 5 DAC 32 bit AHBs OSD Mixer CSS MPEG Stream DEMUX Decoder 32 bit APB SPDIF OUT I2S_In Servo DP AFE EPROM SPI 2D Graphic Engine GA Video Output Audio Interface CCIR656 Interface RemoCon ARM946E S processor core 4KB I cache 4KB D cache BUS Interface Motor Driver CalmADM Audio DSP 8KB I cache 12KB D cache BUS Interface I2S_Out 5x 16 4Mb Flash 8 Host IF VFD OPU Mic ATAPI Device Drive SPD...

Page 9: ... SPI Interface IR Key Display Audio AMP VREF 1 65V FOD TRD SLDPWM SPDPWM MON Idle Maindata REFEQ A1 B1 C1 D1 E F ABCD AGC Equalize ABCD1 EF LPF ENV ABCD TE FE MIRR FOKB PLLDFT ENV ABCD RFO TE FE DFCT MIRR Analog Slice Clock Recovery EFM Demodulator ECC Descramble EDC FrameSync Detect Digital Servo DAC Core CLV SERVO DP Command MotorControl DISC FAN8026 Pick Up FEU SDRAM RFSUM A B C D LDODVD PDDVD ...

Page 10: ...RVSSA EDRVCCA12 EDRVSSQ EDRVPP33V EDRVSSP EDRVSSP12 FDB7 P7 1 FDB6 P7 0 FDB5 P6 7 FDB4 P6 6 FDB3 P6 5 FDB2 P6 4 FDB1 P6 3 FDB0 P6 2 NSOE NSWE NSCS0 FDA0 P3 6 VSSC6 VDDC6 VSSP8 VDDP7 RXD P3 5 TXD P3 4 VSSC5 VDDC5 SPICLK P3 3 MISO P3 2 MOSO P3 1 IRIN P3 0 TDIADM P1 6 TCKDAM P1 5 TMSADM P1 4 NTRSTADM P1 3 NRESET SPDP SLDP VSSSVO33A TEO FEO TZCI TE VREF RBIAS PREF FCB 162 161 160 159 158 157 156 155 1...

Page 11: ...oprocessors without wait states Three separate control pins are provided to eliminate bus contention chip enable CE write enable WE and output enable OE All program and erase operation are automatically and internally performed and con trolled by embedded program erase algorithms built in the device The device automati cally generates and times the necessary high voltage pulses to be applied to th...

Page 12: ... 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 48 Pin Standard TSOP ES29LV800 FLASH ES29LV800 Pin Assignments Command Register Analog Bias Generator Address Latch BYTE CE OE A 0 18 RESET Vcc Vss Chip Enable Output Enable Logic Vcc Detector Timer Counter Y Decoder X Decoder Y Decoder Cell Array Data Latch Sense Amps Input Ou...

Page 13: ...12 CIRCUIT OPERATIONAL DESCRIPTION 3 SDRAM MMSD416T216 O SDROM MMSD416T216 O Pin Assignments ...

Page 14: ...ltage The AZ4558 is specifically suitable for applications in differential in differential out as well as in potentialmetric amplifiers and where gain and phase matched channels are mandatory The AZ4558 is available in DIP 8 and SOIC 8 pack age AMPLIFIERS AZ4558CM E1 Block Diagram AMPLIFIERS AZ4558CM E1 Pin Assignments Input Input 3 1 KΩ 7 1 KΩ 7 1 KΩ 87 pF 480 Ω 4 2 KΩ 36 KΩ 150 Ω 10pF 25 Ω 25 Ω ...

Page 15: ...drive DC motors and two can drive coils such as the focus and tracking actuators of a CD ROM DVD ROM DVD Player system It also built in one channel bi direction DC motor driver for Tray Using the built in linear regu lator it can be save the PCB space It also includes 1 comparator Motor Drive IC AT5669 Block Diagram ...

Page 16: ...H1 Focus coil output 15 OUT4 CH4 Tracking coil output 16 OUT4 CH4 Tracking coil output 17 OUT3 CH3 Spindle output 18 OUT3 CH3 Spindle output 19 VCC2 Power Supply 2 20 CPIP Comparator positive input 21 VCTL CH5 Speed control input 22 CPIN Comparator negative input 23 IN3 CH3 Spindle input 24 CPO Comparator Output 25 DL2 Adjustable Linear Regulator driver output 26 IN4 CH4 Tracking driver input 27 V...

Page 17: ...LAY PIN STOP PLAY PIN STOP PLAY PIN STOP PLAY PIN STOP PLAY 1 3 32V 3 32V 10 1 3V 1 25V 19 3 0V 3 3V 28 0V 0V 37 3 3V 3 3V 46 0V 0V 2 2 5V 1 1V 11 1 8V 1 7V 20 0V 0V 29 0 4V 0 8 38 1 6V 1 6V 47 2 6V 2 1V 3 3 32V 3 32V 12 0V 0V 21 1 8V 1 6V 30 1 2V 1 32V 39 2 9V 2 98V 48 2 9V 3 15V 4 2 5V 2 7V 13 2 9V 2 9V 22 0 1V 0 1V 31 0 6V 0 3V 40 0V 0V 49 3 3V 3 32V 5 1 9V 1 8V 14 3 3V 3 3V 23 0 3V 0 1V 32 0 6...

Page 18: ... 87 0 7V 0 4V 123 0V 0V 159 1 2V 1 2V 195 3 1V 2 5V 16 0 9V 1 8V 52 1V 1 5V 88 0V 0V 124 0V 0V 160 1 9V 1 9V 196 2 5V 3 1V 17 0 1V 0 1V 53 1 4V 1 6V 89 3 2V 3 2V 125 0V 0V 161 1V 1V 197 3 2V 3 1V 18 1V 0 9V 54 1 7V 2 4V 90 0 7V 0 7V 126 3 2V 3 3V 162 1 6V 1 6V 198 3 2V 2 5V 19 1 2V 1 2V 55 1V 1 2V 91 0 8V 0 7V 127 1 6V 1 6V 163 1 34V 1 34V 199 3 1V 2 8V 20 0V 0V 56 3 2V 3 2V 92 3 2V 3 2V 128 1 6V ...

Page 19: ...1 D4 F1 FUSE Port Port AC IN C2 15uF 400V 5 6 R19 10R 100V 240V ZD2 FR107 Port 5V R3 1K R17 1K CY2 102 D8 SB340 U1 SM8002C 4 5 6 7 8 3 R11 1 2K R14 4 7K 2 1 R18 100R R16 1M ZD3 15V 0 5W C20 104 50V C19 10uF 16V C9 104 50V C1 15uF 400V C7 47uF 25V Port GND 5 C6 100uF 25V L4 4 7UH 0 2A Port 12V D7 FR102 Port GND 1 C10 100uF 25V Port 12V D9 FR102 C16 471 1KV L2 INDUCTOR L1 1mH0 2A R12 8 2E 2W R12 4 7...

Page 20: ...CIRCUIT DIAGRAM 19 2 DECODE BOARD SCHEMATIC DIAGRAM ...

Page 21: ...CIRCUIT DIAGRAM 20 ...

Page 22: ...CIRCUIT DIAGRAM 21 ...

Page 23: ...OWER_KEY key2 ks7 Seg9 ks7 CLOCK DATA CS IR VCC GND VCC VCC vcc5v VCC5v SW4 C3 101P JP8 1 2 R3 10K R1 100 CN2 Connect 2 00X2 1 2 100uF 16V EC2 C4 101P SW5 R6 51K SW2 R7 10K CN1 Connect 2 00X8 1 2 3 4 5 6 C1 104P R2 10K SW5 JP7 1 2 R5 10K LED1 8mm LED Screen MR 6659 1 2 3 4 5 6 7 8 9 10 11 12 13 Grid1 Grid2 Grid3 Grid4 Grid5 Grid6 Grid7 Seg1 Seg2 Seg3 Seg4 Seg5 Seg6 SW3 U1 HD6928B 1 2 3 4 5 6 7 8 9...

Page 24: ...C125 4 7UF 50V U2A 4558 3 2 1 4 8 U2B 4558 5 6 7 4 8 C117 560P C28 1000P 1 2 C120 10UF 50V C10 0 1U R12 47K R23 10K R121 10K C115 104 R117 4 7K R28 150K R25 100K R27 150K R18 1k C112 47UF 16V C1 22UF 25V R110 15K C230 0 1U C119 0 01UF C23 0 1U R22 10K R111 5 6K R119 18K C19 1000P R118 15K L1 RH3 5 4 7 0 8 C116 104 C124 10UF 50V C25 100P CN1 CNS 3P 1 2 3 Q1 2SC1815 1 2 3 B C E R115 10K R24 82K C118...

Page 25: ...24 PCB CIRCUIT BOARD 1 POWER SUPPLY BOARD ...

Page 26: ...PCB CIRCUIT BOARD 25 2 DECODE BOARD ...

Page 27: ...PCB CIRCUIT BOARD 26 3 CONTROL BOARD 4 MICROPHONE BOARD ...

Page 28: ...27 WAVEFORMS 1 VIDEO IC100 S5L5008 85Pin DAC0 IC100 S5L5008 86Pin DAC1_PB ...

Page 29: ...WAVEFORMS 28 IC100 S5L5008 87Pin DAC2_Y IC100 S5L5008 90Pin DAC3_C ...

Page 30: ...WAVEFORMS 29 IC100 S5L5008 91Pin DAC4_CVBS 2 AUDIO C100 S5L5008 95Pin FR ...

Page 31: ...WAVEFORMS 30 IC100 S5L5008 96Pin FL IC100 S5L5008 108Pin SPDIF_R ...

Page 32: ...WAVEFORMS 31 3 SYSTEM WAVEFORMS CON1_4P IR CON1_6P DAIO ...

Page 33: ...WAVEFORMS 32 CON1_7P CLK CON1_8P STB ...

Page 34: ...WAVEFORMS 33 CON2_17P RF NSYS_RESET_3 3V ...

Page 35: ...WAVEFORMS 34 SDRAM CLK Crystal 4MHz ...

Page 36: ...WAVEFORMS 35 Crystal 27MHz IC1 7Pin 6Pin_open_close ...

Page 37: ...IT YES YES YES YES YES NO NO NO NO NO POWER POWER cord is ok Exchange POWER card Voltage of C1 C2 Check F1 L1 D1 D4 Switching Waveform of U1 Cheack U1 U2 U3 D5 Output voltage of D7 D9 Replace bad parts Check other parts NO Check L3 L4 ...

Page 38: ...O NO NO YES N O NO LED display Is 5V obtained at Pin 7 21 of U1 Check pin 1 of J1 Oscillation at pin 1 of U1 Check R2 exchange U1 Is there KEY SEG signal Cheack PCB KEY output at PORT of U1 Check U1 pin 6 7 Check SEG GRID output at PORT of U1 Check U1 pin 8 27 Exchange U1 ...

Page 39: ... YES YES NO NO NO CVBS S vidro component signal appear Is signal output from ADC0 DAC4 of Net check pin 85 86 87 90 91 of IC100 S5L5008A01 Check MPEG system module Is signal output from part Q5 Q6 Q7 Q8 Q9 Q15 Check Triode Check PCB pattern ...

Page 40: ...sound Audio Signal from pin 96 97 of IC100 Replace the IC100 Check audio OP AMP IC304 pin 1 7 Check inserted part Check pattern Is there MODE L at pin 107 of IC100 Check parts Check Output JACK C348 R349 Q350 C351 R352 Q353 L354 Q308 Q309 Q310 D300 D301 D302 Replace bad parts ...

Page 41: ... 3v Check all Connectors CON7 Check 5v Pin4 6 Check Power Circuit 3 3v regulator FB2 for SDRAM IC104 Check 3 3V Check soldering or replace it RESET Signal Q100 of Collector S5L5008A01 Crystal X100 Check whether X100 27MHz Oscillates Check soldering or replace it Flash IC U107 Check CE Pin22 OE Pin24 Adds line Check soldering or replace it Check soldering or reprogramming Flash or replace it Check ...

Page 42: ...41 INSTRUMENT DISASSEMBLY Make sure that all leads wiring are routed correctly when reassembling ...

Page 43: ... 6mm 1 15 13020581 R Panel DG K301 2 0CH YUV T 0 5mm 1 16 13500002 Screw BTV3 6 2 MPEG PCB 2 17 13500004 Screw BTPW3 8 5 Loader 4 MIC PCB 1 18 13500007 Screw BTPW3 6 4 Power PCB 4 19 13500104 Screw BTVW3 6 5 T Cover 5 20 13500107 Screw BBTV3 8 Black 5 MPEG PCB Jack 4 R Panel 1 21 13500134 Screw BTPW3 16 1 MIC bracket 1 22 13670002 Cushion 0 5mm Ø3mm 2 Loader 23 14050806 Gift Box DG K301 CHILE PERU...

Page 44: ...09 R3 18 R348 R350 R22 R30 R31 19 10050029 R Chip 1 16W 11K 5 0603 2 R307 R315 20 10050030 R Chip 1 16W 12K 5 0603 3 R28 R76 R65 21 10050031 R Chip 1 16W 15K 5 0603 2 R74 R75 22 10050033 R Chip 1 16W 20K 5 0603 2 R308 R317 23 10050034 R Chip 1 16W 22K 5 0603 4 R27 R209 R88 R90 24 10050036 R Chip 1 16W 100K 5 0603 2 R53 R54 25 10050045 R Chip 1 16W 1M 5 0603 1 R135 26 10050049 R Chip 1 16W 27K 5 06...

Page 45: ...02 L103 65 10250022 Coil 0805 600E 100MHZ 0 5A TP 5 L2 L300 L302 L308 L309 66 10250140 Coil 0603 600E 100MHz TP 4 FB1 FB2 FB6 FB7 67 10251017 Coil 0603 60E TP 1 FB3 68 10320006 Diode 1N4001 TP 3 D6 D7 69 10390001 Diode Chip 1N4148 1206 7 D100 D200 D201 D301 D302 D1 D2 70 10450086 TR 8550 Ic 1 5A DIP 2 Q13 Q14 71 10460001 TR Chip 2N3904 SOT 23 6 Q10 Q308 Q11 Q12 Q302 Q303 72 10460006 TR Chip SS8550...

Page 46: ...C Electro 25V 22UF 20 D5 11 105ºC 1 C18 20 10190129 C Electro 25V 100UF 20 D6 3 11 105ºC 3 C6 C14 C12 21 10190184 C Electro 400V 15UF 20 D13 16 105ºC 2 C1 C2 22 10250002 Coil 4 7UH D3 7 10 TP 1 L4 23 10250006 Coil RH3 5 4 7 0 8 TP 1 L2 24 10250176 Coil 4 7UH 2A 10 D8 10 F5 1 L3 25 10250177 Coil 1mH 0 2A 10 D6 8 F5 1 L1 26 10300050 Transformer TRSM8002C 1 T1 27 10320005 Diode 1N4007 TP 4 D1 D4 28 1...

Page 47: ...era 104 50V 20 1 C1 5 10190030 C Electro 16V 100UF 20 D5 11 105ºC 2 EC1 EC2 6 10510794 IC AP6928 SOP 28Pin 1 U1 7 10711020 LED MR 6656 T 13mm 1 LED1 8 10800018 Switch tact switch 6 6 5 5 SW1 SW5 9 11000736 PCB CGVG058 REV B1 8 2007 04 09 T 1 6mm control PCB 1 10 11260002 Jumper pre form pitch 5mm 7 JP7 JP8 JP1 JP5 11 11310600 Conn Wire 2 0 two heads 2P 240mm red white conn wire with pin 1 CN2 to C...

Page 48: ...0 C23 C110 C113 C114 C230 C115 C116 17 10150013 C Cera 103 50V 10 1 C119 18 10150049 C Cera 102 50V 10 4 C19 C27 C28 C32 19 10151024 C Cera 332 50V 20 1 C118 20 10150002 C Cera 561 50V 10 2 C117 C121 21 10190008 C Electro 50V 4 7UF 20 D5 11 105ºC 5 C30 C123 C125 C128 C129 22 10190012 C Electro 50V 10UF 20 D5 11 105ºC 5 C17 C26 C31 C120 C124 23 10190030 C Electro 16V 100UF 20 D5 11 105ºC 2 C22 C111...

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