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LVD-1502 SERVICE MANUAL

CONTENT

PART 1

：

Brief Introduction Of The LVD-1502

◆

Standard features

◆

Schematic Diagram

◆

Printed Circuit

PART 2

：

Exploded view

PART 3

：

Key Ics And Assemblies

PART 4:

Detailed Circuit

◆

Main Board

◆

DVD Board

◆

Power Board

◆

HI-voltage Board

PART 5:

Parts List

Содержание LVD-1502

Страница 1: ...RT 1 Brief Introduction Of The LVD 1502 Standard features Schematic Diagram Printed Circuit PART 2 Exploded view PART 3 Key Ics And Assemblies PART 4 Detailed Circuit Main Board DVD Board Power Board...

Страница 2: ...nes superior sound Built in Dolby Digital decoder to achieve superior audio performance when available LCD liquid crystal display The 15 color TFT liquid crystal display supports high quality WXGA vie...

Страница 3: ...mpatibility DVD CD CD R CD RW and JPEG type discs are all compatible with this product all playback functions Fast forward and reverse slow playback and repeat playback are all standard special playba...

Страница 4: ...Schematic Diagram...

Страница 5: ...Printde circuit Main board 2973C Top layer view...

Страница 6: ...Main board 2973C Bottom layer view...

Страница 7: ...DVD Board 3446C Top layer view...

Страница 8: ...DVD Board 3446C Bottom layer view...

Страница 9: ...9 Power Board 2956C Top Layer View Power Board 2956C Bottom Layer View Remote Control Board 2541C Top layer view...

Страница 10: ...10 Remote Control Board 2541C Bottom layer view Inverter board 2827C Top layer view Inverter board 2827C Bottom layer view Keypad board 3479C Top layer view...

Страница 11: ...11 Keypad board 3479C Bottom layer view...

Страница 12: ...12 PART 2 Exploded view Exploded view...

Страница 13: ......

Страница 14: ...LVD 1502 17 18 Hi voltage board 1 LVD 1502 18 19 Power board 2956C01 1 LVD 1502 19 20 Left and right adornment bar 2 LTD 61502 RE004 21 Back rotate shaft cover 1 LTD 51702 RE009 22 Hardware bracket 1...

Страница 15: ...4 3U6 MSP3415G 4 U4 BA5954 5 1U1 1U3 AP1513S 5 U5 BA6287 6 4U2 AT49BV040B 6 U7 24C16 7 1U2 FDS9435 7 U8 IS42S16400B 7T 8 4U3 FLI8125 LF 8 U9 MX29LV160BBTC 70 9 2U7 FSAV330 9 U11 NJM4558 10 1U4 LM1117D...

Страница 16: ...14 ICS ON MAIN BOARD 1 AP1513 Block Diagram...

Страница 17: ...is a differential 4 Channel multiplexer having two binary control inputs A and B and an inhibit input The two binary signals select 1 of 4 pairs of channels to be turned on and connect the analog inpu...

Страница 18: ...eo applications It incorporates a multi standard video decoder high speed triple 8 bit Analog to Digital Converter ADC and front end switching An integrated VBI Slicer adds Closed Captioning CC and Te...

Страница 19: ...17 Features Pinput...

Страница 20: ...18 4 FDS9435...

Страница 21: ...and provide superior switching performance These devices are particularly suited for low voltage applications such as notebook computer power management and other battery powered circuits where fast...

Страница 22: ...20 1 BA5954...

Страница 23: ...21...

Страница 24: ...RFIP Analog Input AC coupled DVD RF signal input RFIP 7 DVDRFIN Analog Input AC coupled DVD RF signal input RFIN 8 MA Analog Input DC coupled main beam RF signal input A 9 MB Analog Input DC coupled m...

Страница 25: ...ISLV Analog output TE Slicing Level Analog Servo Interface 6 246 RFVDD3 Power Analog Power 247 RFRPDC Analog output RF ripple detect output 248 RFRPAC Analog Input RF ripple detect input through AC co...

Страница 26: ...utput PDM output of focus servo compensator 50 FG Digital pin V_ADIN8 LVTTL 3 3V Input Schmitt Input pull up with analog input path for V_ADIN8 1 2 Motor Hall sensor input or Version AD input 8 Genera...

Страница 27: ...data 6 85 AD5 Input 2 16MA SR Microcontroller address data 5 84 AD4 Input 2 16MA SR Microcontroller address data 4 83 AD3 Input 2 16MA SR Microcontroller address data 3 82 AD2 Input 2 16MA SR Microcon...

Страница 28: ...er address 5 IO 60 IOA6 Input 2 16MA SR PU Microcontroller address 6 IO 61 IOA7 Input 2 16MA SR PU Microcontroller address 7 IO 67 A16 Output 2 16MA SR Flash address 16 91 A17 Output 2 16MA SR Flash a...

Страница 29: ...ption 78 IOOE Input 2 16MA SR SMT Flash output enable active low IO 66 IOWR Input 2 16MA SR SMT Flash write enable active low IO 76 IOCS Input 2 16MA SR PU SMT Flash chip select active low IO 94 UWR I...

Страница 30: ...pin 102 UP1_7 SDA Input 4MA SR PU SMT 1 Microcontroller port 1 7 2 I2C data pin 103 UP3_0 RXD Input 4MA SR PU SMT 1 Microcontroller port 3 0 2 8032 RS232 RXD 104 UP3_1 TXD Inout 4MA SR PU SMT 1 Microc...

Страница 31: ...GPIO 206 SPLRCK SDO0 Input Non pull 1 2 Audio left right channel clock of SPDIF input While SPDIF input is not used I Serial interface port 0 data out II GPIO 207 SPBCK SDCS0 ASDATA5 Input Non pull 1...

Страница 32: ...est mode II 0 normal operation While using external channels I GPO_0 212 ASDATA3 Input 4MA PD SMT 1 2 3 4 Audio serial data 3 Center back Center left back Center right back in 6 1 or 7 1 mode DSD data...

Страница 33: ...PIO 1 AUDIO DAC Right Surround channel output 223 ARS GPIO Output 2 While internal AUDIO DAC not used a SDATA3 b GPIO 1 AUDIO DAC Right channel output 224 AR GPIO Output 2 While internal AUDIO DAC not...

Страница 34: ...or Y 184 DACVSSA Ground Ground pin for VIDEO DAC circuitry 183 YUV5 B Cb Pb Output 4MA SR 1 2 Video data output bit 5 Blue or CB 182 YUV6 R Cr Pr Output 4MA SR 1 2 Video data output bit 6 Red or CR 1...

Страница 35: ...Non pull 1 2 Digital Video output C bit 5 GPIO 168 C_6 IO_6 RD22 Input Non pull 1 2 Digital Video output C bit 6 GPIO 167 C_7 IO_7 RD23 Input Non pull 1 2 Digital Video output C bit 7 GPIO 177 IO_17...

Страница 36: ...M address 2 141 RA1 Input DRAM address 1 140 RA0 Input DRAM address 0 139 RA10 Input DRAM address 10 138 BA1 Input DRAM bank address 1 137 BA0 Input DRAM bank address 0 136 RCS output DRAM chip select...

Страница 37: ...113 RD7 Input DRAM data 7 112 IO_19 DQS0 Input Non pull GPIO 111 DQM0 Input Data mask 0 JTAG Interface 4 51 TDI V_ADIN4 Input Non pull 1 2 3 Serial interface port 3 data out Version AD input port 4 GP...

Страница 38: ...bits each The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential The AT24C16 is available in space saving 8 pin PDIP 8 p...

Страница 39: ...37...

Страница 40: ...38 4 NJM4558 DUAL OPERATIONAL AMPLIFIER...

Страница 41: ...ucts Features 4 5V 8V operation Fixed High Frequency Voltage Mode PWM Control Latched Off Protection Build In Low Frequency PWM Generator Build in UVLO Low Power CMOS Process Totem Pole Output 16 Pin...

Страница 42: ...nt becomes to 1uA when TIMER 0 3V 6 ONOFF I The control pin of turning on or off the IC 1V threshold with an internal 80K 15 ohm pull low resistor 7 GND I O The ground pin of the device 8 NOUT2 O The...

Страница 43: ...41 2 AP4511M N AND P CHANNEL ENHANCEMENT MODE POWER MO...

Страница 44: ...42 Part 4 Detailed Circuit MAIN BOARD Main board DVD BOARD Index MT1389E Audio out Video out and AV connector SDRAM and FLASH POWER BOAD Power board HI VOLTAGE BOAD HI voltage Board...

Страница 45: ...2R78 20 1Q6 2N3904 1 2 3 4R31 3 3k 1R30 100k 1C14 100n 1 2 1C5 100n 3D5 1N4148 2 1 4R34 10k 3C24 470n 3C11 100n 3R1 10k 3R39 10K 3L3 3U4 HEF4052 SO16NB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 0Y 2Y Y_...

Страница 46: ...IR IR AVCC URST GND DV33 IR LOCK DVD CHECK DISC CHECK DVD L DVD R DVD R GND DVD L GND GND VCC VCC GND P12V V33 VCC DVD IR DVD CHECK DISC CHECK LOCK GND R V GND B U GND G Y GND G Y B U R V VCC GND 2 3...

Страница 47: ...R25 4 7k NC TP42 R52 10k CON8 CON2 CON2 0 2 1 2 R60 33k R38 NC CB26 0 1uF U4 BA5954 1 9 10 12 3 2 15 7 14 13 21 19 20 24 27 6 4 5 28 8 11 17 18 16 23 22 25 26 29 30 VINFC PVCC1 PGND VOSL CF2 CF1 VOTK...

Страница 48: ...2 AVCC 1 12V 1 DVD L 1 DVD R 1 AVCC 12V R94 8K2 R101 100 R93 0 C58 100n R99 9k C57 100n R88 100K U11A NJM4558 3 2 1 8 4 U11B NJM4558 5 6 7 8 4 C62 2000p C60 3 3uF 10V C63 22p R98 OPEN R105 9k CB49 0...

Страница 49: ...R VB AVCC GND G G Y R SY R V SC B U VB 5VV G Y B U R V G 2 R 2 VB 2 AVCC 1 2 5 GND 1 2 3 5 G Y 1 B U 1 R V 1 5VV 5VV 5VV 5VV 5VV 5VV AVCC 5VV R80 75 1 L20 FB R85 150 1 C46 100P C47 100P D4 1N4148 1 2...

Страница 50: ...SD33 SD33 DV33 SD33 FVCC FVCC DV33 DV33 DV33 FVCC VCC DV33 L17 FB CB40 0 1uF R71 33 R73 33 CE28 100uF 6 3v CB46 0 1uF U9 IC FLASH MX29LV800 8Mb 25 24 23 22 21 20 19 18 8 10 28 47 16 29 31 33 35 7 26 3...

Страница 51: ......

Страница 52: ...OP2 IC_VCC IC_VCC R8 103 R17 474 C10 106 U1 BIT3193 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 INN CMP LOAD CTOSC TIMER ON OFF GND NOUT2 NOUT1 VDD PWMOUT CTPWM PWMDC CLAMP ISEN MODSEL R12 NC C12 472 F1 3...

Страница 53: ...01 57 R 2 E102J SMD resistor 0603 1K 5 2 KR1 KR6 01 57 R 2 E202J SMD resistor 0603 2K 5 3 KR2 KR4 KR7 01 57 R 2 E332J SMD resistor 0603 3 3K 5 2 KR3 KR5 01 39 SW QC ED665 Touch switch 6 6 5 DIP 10 SW1...

Страница 54: ...or 0603 18K 5 1 R47 01 57 R 2 E203J SMD resistor 0603 20K 5 4 R46 R51 R53 R55 01 57 R 2 E333J SMD resistor 0603 33K 5 3 R56 R59 R60 01 57 R 2 E104J SMD resistor 0603 100K 5 8 R13 R31 R35 R88 R91 R102...

Страница 55: ...01 54 CS 2 E104Y SMD capacitor 0603 104 Y5V 20 80 50V 70 CB1 CB2 C2 CB4 CB6 C6 CB8 CB9 C9 CB10 CB11 CB12 CB13 CB14 CB15 CB16 CB17 CB18 CB19 CB20 C20 CB21 CB22 C22 CB23 CB24 CB25 CB26 C26 CB27 C27 CB2...

Страница 56: ...1 13 L Z ESB50 SMD Magnetism bead 0805 50 14 L2 L3 L4 L5 L6 L7 L9 L12 L13 L16 L17 L18 L20 L24 01 13 L Z ESB120 SMD Magnetism bead 0805 120 1 L10 01 13 L L S E001 SMD inductance 0603 1 8UH 3 L21 L22 L2...

Страница 57: ...5 2C27 2C28 01 57 R 2 E200J SMD resistor 0603 20 5 20 2R4 2R9 1R20 2R11 2R13 2R22 2R23 2R25 2R53 2R65 2R66 2R67 2R75 2R76 2R77 2R78 4R17 4R18 4R19 4R24 01 57 R 2 E470F SMD resistor 0603 47 1 1 2R60 01...

Страница 58: ...R46 3R47 3R48 01 57 R 2 E273J SMD resistor 0603 27K 5 1 2R62 01 57 R 2 E303J SMD resistor 0603 30K 5 1 2R71 01 57 R 2 E473J SMD resistor 0603 47K 5 11 2R6 2R7 3R4 2R20 2R21 2R36 2R37 2R51 2R52 2R79 2R...

Страница 59: ...D capacitor 0603 104 Y5V 20 80 50V 97 1C1 1C2 1C4 1C5 1C6 1C7 1C8 1C9 2C1 2C2 2C3 2C4 2C6 2C8 3C1 4C1 4C2 4C4 4C5 4C6 4C7 4C8 4C9 5C5 5C7 5C9 1C10 1C11 1C12 1C13 1C14 1C15 1C16 1C19 2C10 2C11 2C12 2C1...

Страница 60: ...3EC25 3EC29 3EC32 01 34 CL D E220U16VD Electrolyse capacitor CD110 220UF 16V 6 3 12 3 1EC2 1EC6 1EC10 01 34 CL D E470U25VE Electrolyse capacitor CD110 470UF 25V 8 14 1 3EC11 01 13 L Z ESA50 SMD Magnet...

Страница 61: ...h switch 1 3CON2 01 40 CON DCZ E331 SCART Jack CS112 1 2CON8 01 40 CON DTJ E008 Jack TJC3 4A 1 3CON1 01 40 CON DTJ E011 Jack TJC3 5A 1 1CON2 01 40 CON DTJ E012 Jack TJC3 6A 1 1CON1 01 40 CON DPH E020...

Страница 62: ...5 2 R1 R2 01 57 R 4 E392J SMD resistor 1206 3 9K 5 1 R15 01 57 R C EC105 Carbon film resistor RT1 6W 1M 1 R4 01 57 R C EG563 Carbon film resistor RT2W 56K 1 R5 01 57 R R E5D11 Hot quick resistor NTC...

Страница 63: ...13 L Z ED50B DIP Magnetism bead 50 3 5 4 7 0 8 1 L2 01 41 D PD E1U08 Diode 1U08 DIP 1 D1 01 41 D PD EFR107 Diode FR107 DIP 1 D1 01 41 D PD EFR104 Diode FR104 DIP 1 D2 01 41 D PD ESF20NC1 5 Diode SF20...

Страница 64: ...7 R 2 E153J SMD resistor 0603 15K 5 2 R13 R16 01 57 R 2 E203J SMD resistor 0603 20K 5 1 R18 01 57 R 2 E223J SMD resistor 0603 22K 5 2 R5 R11 01 57 R 2 E683J SMD resistor 0603 68K 5 2 R7 R15 01 57 R 2...

Страница 65: ...D4 01 41 D PS EBAV99 Diode BAV99LT1 SMD 4 CR1 CR2 CR3 CR4 01 42 Q S E2N3904 Audion 2N3904 SMD 2 Q3 Q1 01 42 Q S E2N3906 Audion 2N3906 SMD 1 Q4 01 42 Q S E2N7002 Transistor 2N7002 SMD 1 Q5 01 44 IC S E...

Страница 66: ...Elenberg LVD 1502 LVD 1902 To enter the factory menu pls do as below Press menu on RC Select Audio OSD Select Auto volume OSD press PAUSE on the first line on RC...

Страница 67: ......

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