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Elenberg LVD-1502 Service Manual

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LVD-1502 SERVICE MANUAL
CONTENT
Brief Introduction Of The LVD-1502
PART 1：
◆
Standard features
◆
Schematic Diagram
◆
Printed Circuit
◆
◆
◆
◆
HI-voltage Board

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Summary of Contents for Elenberg LVD-1502

  • Page 1: Table Of Contents

    LVD-1502 SERVICE MANUAL CONTENT Brief Introduction Of The LVD-1502 PART 1： ◆ Standard features ◆ Schematic Diagram ◆ Printed Circuit Exploded view PART 2： Key Ics And Assemblies PART 3： Detailed Circuit PART 4: ◆ Main Board ◆ DVD Board ◆...
  • Page 2 Part 1 Brief Introduction Of The 1510CB standard features This product incorporates a DVD player, LCD display and TV receiver in one system, which is commonly referred to as a “combo.” multi mode: TV mode SCART mode COMPOSITE mode S-VIDEO mode COMPONENT mode VGA mode DVD mode...

  • Page 3: Special Playback

    advanced playing features: Auto DVD Function Whether it is in DVD mode, when inserting a disc into the disc tray, the unit will shift to DVD mode and start playback automatically; when ejecting the disc, it will return to the prior mode automatically. compatibility: DVD, CD, CD-R, CD-RW and JPEG-type discs are all compatible with this product.
  • Page 4 Schematic Diagram...
  • Page 5 Printde circuit Main board 2973C(Top layer view)
  • Page 6 Main board 2973C(Bottom layer view)
  • Page 7 DVD Board 3446C(Top layer view)
  • Page 8 DVD Board 3446C(Bottom layer view)
  • Page 9 Power Board 2956C (Top Layer View) Power Board 2956C (Bottom Layer View) Remote Control Board 2541C(Top layer view) - 9 -...
  • Page 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) - 10 -...
  • Page 11 Keypad board 3479C(Bottom layer view) - 11 -...

  • Page 12: Part 2 Exploded View

    Exploded view PART 2 Exploded view - 12 -...
  • Page 14 Spare Parts List (LVD-1502) Part № Item Description Remark (Код ЗЧД=Номер ЗЧД) Outlet cover LTD-61502-RE005 Main board 2973C01 LVD-1502-2 Digital TV board LVD-1502-3 Right-hand board of shield cover LTD-61502-PT02 Baffle of connecting caput LTD-61502-RE006 Upper and lower adornment bar LTD-61502-RE003...

  • Page 15: Part 3 Key Ics And Assemblies

    Part 3 Key ICs And Assemblies On Main Board On DVD board Serial Serial Position Type Position Type CD4052 BA033 AT24C32AN AZ1117H-1.8 24C02 MT1389DE/E MSP3415G BA5954 1U1 1U3 AP1513S BA6287 AT49BV040B 24C16 FDS9435 IS42S16400B-7T FLI8125-LF MX29LV160BBTC-70 FSAV330 NJM4558 LM1117DTX-1.8V CS4344 L7808C-V 2U1 2U2 2U3 On Power board...
  • Page 16 ICS ON MAIN BOARD AP1513 · Block Diagram - 14 -...
  • Page 17 CD4052 The CD4052B 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 inputs to the outputs. ·Pinputs - 15 -...
  • Page 18 3． FLI8125 The FLI8125 is a cost-effective, highly-integrated, mixed signal solution for TV and Digital Video 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 Teletext service support, and the built-in microprocessor enables full system control without external devices.
  • Page 19 Features ·Pinput - 17 -...
  • Page 20 4． FDS9435 - 18 -...
  • Page 21 Single P-Channel Enhancement Mode Field Effect Transistor SO-8 P-Channel enhancement mode power field effect transistors are produced using Fairchild's proprietary, high cell density, DMOS technology. This very high density process is especially tailored to minimize on-state Resistor 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 switching, low in-line power loss, and Resistor to transients are needed.
  • Page 22 BA5954 - 20 -...
  • Page 23 - 21 -...
  • Page 24 MT1389DE/E Abbr. : SR : Slew Rate PU : Pull Up PD : Pull Down SMT : Schmitt Trigger 2MA~16MA : Output buffer driving strength. Main Alt. Type Description RF Interface ( 26 ) RFGND18 Ground Analog ground RFVDD18 Power Analog power 1.8V Analog output RF Offset cancellation capacitor connecting...
  • Page 25 ADC Power ( 2 ) ADCVDD3 Power Analog 3.3V Power for ADC ADCVSS Ground Analog ground for ADC VPLL (3) VPLLVSS Ground Analog ground for VPLL CAPPAD Analog Input VPLL External Capacitor connection VPLLVDD3 Power Analog 3.3V Power for VPLL Reference Voltage ( 3 ) V2REFO Analog output...
  • Page 26 LPFOP Analog Output The positive output of loop filter amplifier Motor and Actuator Driver Interface ( 10 ) OP_OUT Analog output Op amp output. OP_INN Analog input Op amp negative input OP_INP Analog input Op amp positive input Analog Output Disk motor control output.
  • Page 27 Input HIGHA4 2~16MA, SR Microcontroller address 12 Input HIGHA5 2~16MA, SR Microcontroller address 13 Input HIGHA6 2~16MA, SR Microcontroller address 14 Input HIGHA7 2~16MA, SR Microcontroller address 15 Input 2~16MA, SR Microcontroller address/data 7 Input 2~16MA, SR Microcontroller address/data 6 Input 2~16MA, SR Microcontroller address/data 5 Input 2~16MA, SR...
  • Page 28 Input IOA3 2~16MA, SR Microcontroller address 3 / IO Input IOA4 2~16MA, SR Microcontroller address 4 / IO Input IOA5 2~16MA, SR Microcontroller address 5 / IO Input IOA6 2~16MA, SR Microcontroller address 6 / IO Input IOA7 2~16MA, SR Microcontroller address 7 / IO Output 2~16MA, Flash address 16...
  • Page 29 Input 1) Flash address 21 / IO IOA21 2~16MA, SR 2) While External FLASH size <= 2MB: I) GPIO Input 2~16MA, SR Microcontroller address latch enable PU, SMT Alt. Main Type Description Input IOOE# 2~16MA, SR Flash output enable, active low / IO Input IOWR# 2~16MA, SR...
  • Page 30 Input UP1_3 4MA, SR Microcontroller port 1-3 PU, SMT Input UP1_4 4MA, SR Microcontroller port 1-4 PU, SMT Input UP1_5 4MA, SR Microcontroller port 1-5 PU, SMT Inout 1) Microcontroller port 1-6 UP1_6 4MA, SR 2) I2C clock pin PU, SMT Input 1) Microcontroller port 1-7 UP1_7...
  • Page 31 Input IR control signal input Input INTO# 4MA, SR Microcontroller external interrupt 0, active low PU, SMT Audio interface ( 28 ) Main Alt. Type Description Audio DAC master clock of SPDIF input While SPDIF input is not used: Input I) Serial interface port 0 clock pin SPMCLK SCLK0...
  • Page 32 Audio serial data 0 (Front-Left/Front-Right) DSD data left channel Trap value in power-on reset : Input I) 1 : manufactory test mode ASDATA0 II) 0 : normal operation PD SMT While using external channels: I) GPO_2 Audio serial data 1 (Left-Surround/Right-Surround) DSD data right channel Trap value in power-on reset : I) 1 : manufactory test mode...
  • Page 33 APLLVDD3 Power 3.3V Power pin for audio clock circuitry APLLCAP Analog Input APLL External Capacitor connection APLLVSS Ground Ground pin for audio clock circuitry ADACVSS2 Ground Ground pin for AUDIO DAC circuitry ADACVSS1 Ground Ground pin for AUDIO DAC circuitry AUDIO DAC Sub-woofer channel output While internal GPIO Output...
  • Page 34 ADACVDD1 Power 3.3V power pin for AUDIO DAC circuitry ADACVDD2 Power 3.3V power pin for AUDIO DAC circuitry Video Interface ( 18 ) DACVDDC Power 3.3V power pin for VIDEO DAC circuitry VREF Analog Bandgap reference voltage Analog Full scale adjustment Output 4MA, Video data output bit 0 YUV0...
  • Page 35 Input Microcontroller ICE mode enable PD, SMT XTALO Output 27M crystal out XTALI Input 27M crystal in Input GPIO_3 GPIO Pull-Down Input GPIO_4 GPIO Pull-Down Input RCLKB GPIO_5 GPIO Pull-Up Input RVREF GPIO_6 GPIO Pull-Up Dram Interface ( 58 ) ( Sorted by position ) IO_0 Input Digital Video output C bit 0...
  • Page 36 Input DRAM address 4 Input DRAM address 5 Input DRAM address 6 Input DRAM address 7 Input DRAM address 8 Input DRAM address 9 Input RA11 DRAM address bit 11 Pull-Down output DRAM clock enable Input RCLK Dram clock Input DRAM address 3 Input DRAM address 2...
  • Page 37 Input RD12 DRAM data 12 Input RD13 DRAM data 13 Input RD14 DRAM data 14 Input RD15 DRAM data 15 Input DRAM data 0 Input DRAM data 1 Input DRAM data 2 Input DRAM data 3 Input DRAM data 4 Input DRAM data 5 Input...
  • Page 38 24C16 2-Wire Serial CMOS E PROM 16k ( 2048 x 8 ) The AT24C16 provides 16384 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 2048 words of 8 bits each. The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential.
  • Page 39 - 37 -...
  • Page 40 DUAL OPERATIONAL AMPLIFIER NJM4558 - 38 -...
  • Page 41 ICS ON HI-VOLTAGE BOARD BIT3193 High Performance PWM Controller BIT3193 integrated circuit provides the essential features for general purpose PWM controller in a small low cost 16-pin package. BIT3193 has built-in a low frequency PWM generator for any specified application. BIT3193 includes latched off protection feature may make the system more reliable while compare to other similar products.
  • Page 42 Symbol Descriptions The inverting input of the error amplifier. Output of the error amplifier. LOAD A switch that connected to the high frequency triangle wave generator. This switch is open while ISEN pin <1.3V. An external resistor connected here may change the operation frequency of CTOSC in open load situation.
  • Page 43 AP4511M P-CHANNEL ENHANCEMENT MODE POWER - 41 -...

  • Page 44: Part 4 Detailed Circuit

    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 - 42 -...
  • Page 45 1CC9 1CC10 1CC11 VCC16 VCC5_STB VCC16 VCC5 VCC3.3 VCC5 VCC5_PANEL VCC3.3 33uH/2A VCC5_STB VCC5 OUT1 VCC16 2.2k 2.2k 2EC1 VCC5 1CON2 OCSET OUT2 1EC1 100n 100u VSS1 100u SS23 VSS2 VCC-T 1R12 100n BACK_EN 1CON3 1R10 100n 1R13 2EC2 2LL2 10u BACK_PWM 100k AP1513...
  • Page 46 SLOTIN89E_ToHei_(TD-S208S-A62) MT1389E (LQFP216) DVD MP Board for SANYO HD62PUH INDEX & POWER, RESET MT1389E CON2 SDRAM & FLASH DVD-IR DVD-CHECK DISC-CHECK VIDEO OUT & AV-CON LOCK AUDIO OUT - WM8766 NAME TYPE DEVICE 11PIN Digital 5V SUPPLY DV33 Digital 3.3V MT1389E [2,3] RFV33...
  • Page 47 JITFO 390pF JITFN DV33 RFV33 RFVDD3 DV33 RFV33 750k APLLVDD3 2200pF DACVDD3 3.3uH 0.1uF/NC CB37 CE23 L0805 100uF/6.3v 680k ADIN 0.1uF 0.01uF 2200pF CB38 CE13 0.1uF CD8.0/3.5 CB12 0.1uF 10uF/6.3v 150uH 10uF/6.3v 100K L0805 10uF/10v 1500pF 10uF/10v 0.1uF 150k 150k PLLVDD3 680k DV33...
  • Page 48 AVCC AVCC ACLK ACLK ABCK ABCK ALRCK ALRCK ASDAT0 ASDAT0 +12V +12V ABCK SBCLK ALRCK SLRCK ACLK SACLK AVCC L24 FB +12V R106 CE30 R105 OPEN 10uF/25V 100n CB48 CB49 CB50 0.1uF 0.1uF 0.1uF CDV10uF/25V 5.1k 220p 180K 100K CE31 ASDAT0 U11A CDV10uF/25V...
  • Page 49 [1,2,5] AVCC AVCC [1,2,3,5] +5VV +5VV AVCC 0.1uF 10uF/10v +5VV +5VV +5VV +5VV 3906 75,1% 75,1% 1N4148 1N4148 0/NC 0/NC L21 1.8uH L23 1.8uH 3906 3906 1N4148 1N4148 150,1% 150,1% 100P 100P 100P 100P +5VV +5VV 75,1% 1N4148 0/NC L22 1.8uH 3906 1N4148 150,1%...
  • Page 50 [1,2,5] DV33 DV33 [1,2,4,5] DV33 SD33 DQ[0..15] DQ[0..15] MA[0..11] MA[0..11] SD33 BA[0..1] BA[0..1] DRAM DQM[0..1] DQM[0..1] DCLK DCLK CE28 CB43 CB44 CB39 CB40 CB41 DCKE DCKE CB42 AD[0..7] AD[0..7] CAS# CAS# 100uF/6.3v 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF RAS# RAS# FLASH MA10 DQ10...
  • Page 52 NIA19LES018 1206-102 220uF/25V 2N3904 PH05-2A 10pF/3KV 8.0-2A IC_VCC 2N3904 2N3906 7.5B BAV99 2N7002 BAV99 AP4511 BIT3193 10pF/3KV 8.0-2A IC_VCC AP4511 BAV99 BAV99 1SS355 1SS355 1SS355 Beyond Innovation Technology Co., LTD. 5F,No.136, Sec.3, Nanjing E. Road,Taipei,Taiwan,R.O.C. 　 Tel 886-2-2778-5939 　 Fax 886-2-2778-1050 The circuits shown are intended to explain typical application of the products concerned.

  • Page 53: Part 5 Parts List

    Part 5 Parts List Bom NO. Part NO. Part Name Remote control LTD-51702-2541C 02.03.116.2541C board Part NO. Name Specification LOCA NO. 0805-105 01.54.CS.3.E105Y SMD capacitor 1 C2 Y5V-20+80%/16V 01.57.R.3.E101J SMD resistor 0805-100Ω±5% 1 R1 φ3 01.41.D.FD.E3RB Radiation diode 1 D1 01.44.IC.D38B04 ERM38B-04 DIP 1 U1...
  • Page 54 01.57.R.2.E6R8J SMD resistor 0603-6.8Ω±5% 1 R19 01.57.R.2.E100J SMD resistor 0603-10Ω±5% 1 R1 01.57.R.2.E330J SMD resistor 0603-33Ω±5% 4 R71 R72 R73 R76 01.57.R.2.E101J SMD resistor 0603-100Ω±5% 4 R54 R57 R90 R101 01.57.R.2.E750F SMD resistor 0603-75Ω±1% 3 R79 R82 R85 01.57.R.2.E102J SMD resistor 0603-1KΩ±5% 3 R34 R67 R75 01.57.R.2.E561J...
  • Page 55 0603-102 01.54.CS.2.E102X SMD capacitor 2 C17 C54 X7R±10%/50V 0603-222 01.54.CS.2.E222X SMD capacitor 3 C4 (C8) C16 X7R±10%/50V 0603-152 01.54.CS.2.E152X SMD capacitor 1 (C13) X7R±10%/50V 0603-202 01.54.CS.2.E202X SMD capacitor 1 C62 X7R±10%/50V 0603-682 01.54.CS.2.E682X SMD capacitor 2 (C21) (C28) X7R±10%/50V 0603-103 01.54.CS.2.E103Y SMD capacitor 1 C7...
  • Page 56 CDV-10UF/25V CE30 CE31 CE33 01.34.CL.D.E10U25VA Electrolyse capacitor CE34 C59 C56 CE3 CE8 CE11 CE16 CDV-47UF/6.3V 01.34.CL.D.EV47U6V3A Electrolyse capacitor CE17 CE18 CE21 CE22 Electrolyse CDV-47UF/10V 01.34.CL.D.E47U10VA 2 CE24 CE10 Capacitor CDV-100UF/6.3V 01.34.CL.D.E100U6V3A Electrolyse capacitor 3 CE14 CE23 CE28 CDV-100UF/10V 01.34.CL.D.E100U10VA Electrolyse capacitor 2 CE29 CE20 CDV-100UF/25V 01.34.CL.D.E100U25VA...

  • Page 57: Main Board

    01.44.IC.S.E4344 CS4344 SMD 1 U10 01.40.CON.DPH.E020 Jack PH-4A 2 CON4 CON5 01.40.CON.DPH.E047 Jack PH-13A 1 CON1 01.40.CON.DPH.E028 Jack PH-6A 1 CON2 FPC-0.5-24P 01.40.CON.S05.E007 SMD Jack 1 HA1 upper connection 01.40.CON.S10.FPC1.E FPC-1.0-12P down SMD Jack 1 J1 connection DVD board 01.37.PCB.2.E3466C3 Circuit board 3466C-V3.0 Bom NO.
  • Page 58 1R13 1R14 1R24 01.57.R.2.E102J SMD resistor 0603-1KΩ±5% 1R26 2R61 3R36 3R37 1R3 1R4 2R32 2R33 01.57.R.2.E222J SMD resistor 0603-2.2KΩ±5% 4R32 01.57.R.2.E332J SMD resistor 0603-3.3KΩ±5% 1 4R31 3R3 4R3 4R4 3R18 01.57.R.2.E472J SMD resistor 0603-4.7KΩ±5% 4R5 4R6 2R34 2R35 1R6 1R7 1R8 01.57.R.2.E682J SMD resistor 0603-6.8KΩ±5%...
  • Page 59 0603-30P 01.54.CS.2.E300N SMD capacitor 2 (4C34) (4C33) NPO±5%/50V 0603-56P 01.54.CS.2.E560N SMD capacitor 2 (2C41) (2C42) NPO±5%/50V 2C43 2C9 2C72C5 0603-100P 01.54.CS.2.E101N SMD capacitor 2C44 2C45 2C46 NPO±5%/50V 2C47 0603-102 01.54.CS.2.E102X SMD capacitor 2 (3C31) (3C32) X7R±10%/50V 0603-103 01.54.CS.2.E103Y SMD capacitor 2 1C3 1C17 Y5V-20+80%/50V 0603-152...
  • Page 60 2EC4 2EC5 2EC6 2EC7 2EC8 2EC9 2EC11 2EC12 2EC14 CD110-10UF/16V 2EC15 3EC19 3EC24 01.34.CL.D.E10U16VC Electrolyse capacitor 5*11 3EC26 3EC30 3EC34 3EC35 3EC38 3EC39 3EC40 3EC41 3EC44 4EC10 CD110-22UF/16V 01.34.CL.D.E22U16VC Electrolyse capacitor 2 2EC18 2EC17 5*11 3EC36 3EC37 3EC42 4EC1 4EC3 4EC4 CD110-47UF/16V 01.34.CL.D.E47U16VC Electrolyse capacitor...
  • Page 61 1Q1 1Q5 2Q1 2Q2 01.42.Q.S.E3906 Audion SMBT3906 SMD 3Q2 3Q4 01.41.D.PS.EBAV99 Diode BAV99LT1 SMD 3 2D1 2D2 2D3 01.41.D.WS.E5V1 SMD Zener diode 5.1V 1 1D2 18.432MHZ-49S-1 01.00.JZ.E18432A DIP oscillator 1 3Y1 19.6608MHZ-49S- 01.00.JZ.E196608A DIP oscillator 1 4Y1 01.40.CON.DCZ.E167 Same core jack AV2-8.4-13/PB 1 2CON1 01.40.CON.DCZ.E301...

  • Page 62: Power Board

    01.44.IC.S.EPESD5V0L PESD5V0L5 2U1 2U2 2U3 2U5 01.44.IC.D.ETDA1517P TDA1517P DIP 1 3U5 Main board 01.37.PCB.2.E2973C2 Circuit board 2973C-V2.0 Bom NO. Part NO. Part Name 02.19.LTD06P2956C LTD06P-2956C01 Power board Part NO. Name Specification LOCA NO. 01.57.R.3.E681J SMD resistor 0805-680Ω±5% 1 R9 01.57.R.3.E472J SMD resistor 0805-4.7KΩ±5% 1 R13...
  • Page 63 104/275V X2(feet 01.00.CD.GY.E104275V Hi-voltage capacitor distance15/feet 1 CX2 length4) 224/275V X2(feet 01.00.CD.GY.E224275V Hi-voltage capacitor distance15/feet 1 CX1 length5.5) 471/400V Y1(feet 01.00.CD.GY.E471400V Hi-voltage capacitor distance10/feet 2 CY1 CY2 length16) 222/400V Y1(feet distance10/feet 01.00.CD.GY.E222400V Hi-voltage Capacitor 1 CY3 length16) CD11X-22UF/35V 01.34.CL.D.E22U35VB Electrolyse capacitor 1 C4 5*7(105 01.13.L.L.D.E155...
  • Page 64 32S 3.15A 250V 01.38.FUSE.D.E32S315 Fuse 1 F1 01.00.FZ.ZZ.E010 J line 15mm 2 J1 J5 01.00.FZ.ZZ.E003 J line 10mm 2 J2 J3 01.00.FZ.ZZ.E007 J line 12.5mm 1 J4 Power board 01.37.PCB.1.E2956C2 Circuit board 2956C-V2.0 Bom NO. Part NO. Part Name 02.07.MINV1507SV MINV15-07SVA1B01 Inverter A1B01...
  • Page 65 0603-225 01.54.CS.2.E225Y SMD capacitor 1 C24 Y5V-20+80%/10V 01.35.CC.E120610U16 SMD chinaware 1206-10UF-16V 2 C10,C3 Capacitor 1808-10P/3KV 01.54.CS.6.E100 SMD capacitor 2 C2,C9 NPO±5% 01.34.CL.D.EKW220U2 KW-220UF/25V Electrolyse capacitor 2 C1 C21 01.41.D.WS.EUDZ7V5B SMD Zener diode UDZ7V5B(7.5V) 1 D1 01.41.D.PS.E1SS355 Diode 1SS355 SMD 3 D2,D3,D4 01.41.D.PS.EBAV99 Diode BAV99LT1 SMD...
  • Page 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 .

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