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Elenberg LTV-2603 Service Manual
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Elenberg LTV-2603 Service Manual

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ELENBERG LTV-2603

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Summary of Contents for Elenberg LTV-2603

  • Page 1 ELENBERG LTV-2603...
  • Page 2 LT-72605E SERVICE MANUAL CONTENT Brief Introduction Of The LT-72605E PART 1： ◆ Schematic Diagram ◆ Printed Circuit Exploded View PART 2: Detailed Circuit PART 3: ◆ Main Board ◆ Interface Board ◆ Connecting Board ◆ Receiver Board ◆ Keystoke Board Parts List PART 4:...
  • Page 3 Part 1 Brief Introduction Of The LT-72605E Schematic Diagram REMOTE M16L64164A-5 DC TO DC AND LDO FLASH 3.3V 29VL160 1.8V FROM POWER 12V EEPROM ATMEGA8L SB_5V 24C16 HDMI_INPUT DV_IN MT8293 MAIN IC IF GAIN TUNER TDA9886 MT8200 LVDS TO PANEL CVBSOUT SCART1_RGB SCART1 AND SCART2...
  • Page 4 Printed Circuit 1. Main board 3827C A: TOP LAYER...
  • Page 5 B: BOTTOM LAYER...
  • Page 6 2. Interface Board 5105C A: TOP LAYER B: BOTTOM LAYER 3. Connecting Board 3830C A: TOP LAYER...
  • Page 7 B: BOTTOM LAYER 4. Receiver Board3828C A: TOP LAYER B: BOTTOM LAYER 5. Keystoke board3829C A: TOP LAYER B: BOTTOM LAYER...
  • Page 8 Part 2 Exploded view Exploded view...
  • Page 9 Spare Parts List (LVD-2603) Part № Item Description (Код ЗЧД=Номер ЗЧД) BASE AGGRAVATE BOARD LVD-2603-1 PEDESTAL LVD-2603-2 PEDESTAL BRACKET LVD-2603-3 DVD MODULE LVD-2603-4 FAUCET ID BOARD LVD-2603-5 BACK ID LVD-2603-6 INTERFACE INSTALING BOARD LVD-2603-7 POWER BOARD LVD-2603-8 BRACKET CONNECTION BOARD LVD-2603-9 HANGING BRACKET LVD-2603-10...
  • Page 10 IN4007 R112 R110 10R/1206 10R/1206 102/250VAC 103/1KV 380V(5%) IN5406 C101 C102 R109 R111 CON2 10R/1206 10R/1206 J12.5 323V(5%) TJC3-10A CON5 L101 C110 L-PQ3225-04 EC4019 TJC3-10A L0620-050 104/50V JB10-50R D101 +24V F10U60S 20A150V +24V/4A CE103 CE104 CE102 Z101 2M/1206 68K/2W R101 CE105 CE106 105/450V...
  • Page 11 105/450Vdc Vpfc 4.7R/1206 FR104 JUMPER10 MQ101 Z102 CON1 AM4835 2M/1206 2M/1206 200R/1206 HZ18V/1\2W TJC3-8A +12V CE12 1U08 HZ16V 100uF/35V 224/0805 2M/1206 2M/1206 R152 R151 +12V/4A Z106 L104 CE124 68K/1W HZ16V L0620-050 1000uF/16V 103/630V C128 10R/1206 10R/1206 102/200V Luvp Vstr R181 R154 R153 Lat/PL...
  • Page 12 Part 3 Detailed Circuit MAIN BOARD 1)LDO&POWER SB33B SB18A Current(SB18A+ASB18A)=100mA 40mA 2FB1 2FB2 100 OHM/100MHz 100 OHM/100MHz 0.1u SB_5V 100 OHM/100MHz SB33A 2CON1 2FB3 CLOSE TO MT8200 pin XTALVDD 2FB4 STBY 2EC1 2EC2 100uF/16V CON3_2.0_DIP 100 OHM/100MHz 2CB1 100uF/16V 0.1u 1.4mA 0.1u 0.1u...
  • Page 13 2)MT8200 E-PAD LQFP256L AVICM 820K 0.1u XTALO XTALI 3Y 1 27MHz PWM2VREF DV33A 3EC1 SB33A SB18A 0.1u 33uF/16V SB33A SB18A DV33A SB33B DV18A SB33B DV18A VI15 PLLVSS2 VI15 PLLVDD PLLVDD VI14 PLLVDD2 VI14 VI13 PLLVSS3 VI13 PLLVDD PLLVDD VI12 PLLVDD3 VI12 SB33A XTALVDD...
  • Page 14 3)SDRAM MEMORY & FLASH F_A1 F_D0 D_RA0 D_DQ0 F_A2 F_D1 D_RA1 D_DQ1 F_A3 F_D2 D_RA2 D_DQ2 F_A4 F_D3 4RN1 IOCE# IOCE# D_RA3 D_DQ3 F_A5 F_D4 F_OE# F_OE# A_RA0 D_RA0 D_RA4 D_DQ4 F_A6 F_D5 IOWR# IOWR# A_RA1 D_RA1 D_RA5 D_DQ5 F_A7 F_D6 F_D[0..7] F_D[0..7]...
  • Page 15 4)HDMI RECEIVER-MT8293 DV33B HDMI 没有处理工作时 14mA DE_SOG DE_SOG 250mA 5FB1 100 OHM/100MHz 4.7uH HDMIODCK HDMIODCK VCC18 DE_HDMI DE_HDMI HSY NC_HDMI HSY NC_HDMI 3 5EC1 VSY NC_HDMI VSY NC_HDMI 3 5EC2 5EC3 5CB1 5CB2 5CB3 5CB4 5CB5 5CB6 HDMIMCLK HDMIMCLK 5CB9 100uF/16V DV33B HDMIBCLK...
  • Page 16 5)KEY/MCU AND DVD 6CON1 6R11 6R12 6R13 6R14 HDR40 FOR DVD AND RECODER I/O HSYNC VSYNC FOR KEY DVD_Y SB_5V DVD_PB 6R26 6R16 DVD_PR 6R24 6R60 6R17 AVIN 10K/NC 6R18 6CON2 CON11_1.25MM 100p 6EC1 DVD_AUO_LI DVD_AUO_RI CVBS_MOUT AUDIO_OUT 2N3906 6R19 6FB1 47uF/16V 2.4K...
  • Page 17 6)PC VIDEO/AUDIO/LVDSIO FOR VGA INPUT PCRXDIN VGA_PLUGPWR PESD5V0S1BB AP[0..3] AP[0..3] AN[0..3] AN[0..3] VGAGND 4.7K PESD5V0S1BB 7CON1 D-SUB15 FEMALE DSUB15B VGA_PLUGPWR VGAGND 100p PESD5V0S1BB 4.7n VGASOG PESD5V0S1BB GREEN 1N4148 7CB1 HSY NC# 7R10 1N4148 VGA_PLUGPWR 0.1u 4.7K VSY NC# PCTXDIN 7R11 7R12 7R13 VGAGND...
  • Page 18 7)TUNER INPUT&OUTPUT 7808D SMD TO-252-3 8VCC 5V_TUNER 5V_TUNER 5V_TUNER 22uH 200MA 12V_SIF 200MA 210mA 8EC1 8C31 200mA 4.7K 4.7K 8EC2 0.1u 0.1u 100uF/16V 0.1u AP1117-5 SDA_V50 SCL_V50 220uF/16V DV33A 2N7002 2N7002 4.7K N-MOSFET N-MOSFET 5V_TUNER 5V_TUNER I2C ADDRESS: READ is 0X87 WRITE is 0X86 0.1u for TV...
  • Page 19 8)SOURCE INPUT&SCRAT OUT YPBPR_IN RIN0 PR0P PR0P 9CON1 9EC1 10uF/16V Y PBPR_LIN FOR DVDYPBPR/YPBPR SWITCH Y PBPR_RIN 0603-50磁珠 10uF/16V PR0N PR0N 10uF/16V 9EC2 9EC3 DVD_AUO_L 9R16 BIN0 PB0P DVB_L PB0P 0.1u Y PBPR_LIN 0.1u 100K 9R18 0603-50磁珠 YPBPR_L Y PBPRGND 100K DVD_AUO_R DVB_R...
  • Page 20 9)AUDIO CODEC&AMP 10L1 Improve I2C level power down under standby mode SB33B 10R1 Standby mode current=7.5mA/3.3V 10L2 FROM POWE R 20mA 10L3 10CON1 AUDIO CODEC 10UH 10L4 MUTE 10UH 10Q1 10R2 220uF/35V 10EC4 33V_A DVDD 10CB1 2N3904 10EC1 10C1 10EC2 10EC3 470uF/35V 0.1u...
  • Page 21 INTERFACE BOARD FSAV330 330PF 330PF 330PF 330PF 330PF 330PF 330PF 330PF FB1 FB0805 AVIN FB2 FB0805 ESD1 PESD5V0S1BB FB3 FB0805 ESD2 CTL1 FB4 FB0805 ESD3 ESD4 DVD_IR R4 1K R5 1K VSYNC0 HSY NC0 R6 1K R7 1K ESD5 ESD6 SPDIF_0IN VSYNC1 VSY NC...
  • Page 22 CONNECTING BOARD CVBS3/SY 1 9R33 9D12 2N3906 CVBS2 9D13 9R34 CVBSOUT1 9D14 9R36 9R35 9R37 10K/NC 9EC9 2N3906 SHIELD CVBSOUT 9D15 9R39 CVBSOUT1 V/YIN VOUT 9D16 9R42 9C10 BLKGND 9R45 9R43 47uF/16V VGND 2.4K DGND RGND DATA SCART_FB 9R47 RIN1 GGND 9D18 SHIELD...
  • Page 23 RECEIVER BOARD CON2 IR38KHz IRVCC LEDR LEDG 10uF/25v /NC LED1 PESD5V0S1BB 2N3904 LEDR&G...
  • Page 24 KEYSTOKE BOARD CON15_1.25MM CON5_1.25MM CON2 IR38KHz IRVCC LEDR LEDG 10uF/25v /NC LED1 PESD5V0S1BB 2N3904 LEDR&G...
  • Page 25 Part4 Part list of LT-72605E Bom NO. Part NO. Part Name Qty. 02.11.LTD06M38 LTD06M-3827C01 Main board 27C01 Part NO. Name Spec. Qty. Loca. 5R5 5R11 5R12 5R13 5R14 6R18 (7R8) 7R31 (9R14) 01.57.R.2.E000J SMD Resistor 0603-0Ω ±5% 9R23 10R12 10R21 10R23 10R24 9R55 01.57.R.4.E000J SMD Resistor...
  • Page 26 01.57.R.2.E471J SMD Resistor 0603-470Ω±5% 2 10R36 10R46 01.57.R.2.E561J SMD Resistor 0603-560Ω±5% 2 (10R44) (10R45) (3R12) 5R15 5R17 5R21 6R20 6R22 (6R24) 6R26 6R27 6R35 6R36 6R38 6R40 01.57.R.2.E102J SMD Resistor 0603-1KΩ±5% 6R42 6R43 (6R45) 6R58 7R16 7R20 7R32 (6R46) 8R25 (9R2) 9R3 9R27 9R40 10R47 9R45 9R46 9R52 01.57.R.3.E102J SMD Resistor...
  • Page 27 01.57.R.2.E683J SMD Resistor 0603-68KΩ±5% 1 6R28 6R37 6R44 8R15 9R16 9R18 01.57.R.2.E104J SMD Resistor 0603-100KΩ±5% 9R20 9R21 (9R58) (9R57) (9R59) (9R60) 01.57.R.2.E334J SMD Resistor 0603-330KΩ±5% 1 (6R57) 01.57.R.2.E474J SMD Resistor 0603-470KΩ±5% 1 (8R38) 01.57.R.2.E824J SMD Resistor 0603-820KΩ±5% 1 (3R1) 01.57.R.3.E105J SMD Resistor 0805-1MΩ±5% 2 10R13 10R28...
  • Page 28 01.54.CS.3.E331N50V SMD Capacitor 0805-330P NPO±5%/50V 2 (10C8) (10C28) 01.54.CS.2.E391N50V SMD Capacitor 0603-390P NPO±5%/50V 1 (8C29) 01.54.CS.3.E471N50V SMD Capacitor 0805-470P NPO±5%/50V 2 10C13 10C26 01.54.CS.2.E681X50V SMD Capacitor 0603-680P X7R±10%/50V 2 (9C13) (9C14) 01.54.CS.2.E821X50V SMD Capacitor 0603-820P X7R±10%/50V 2 10C39 10C43 (5C2) (5C5) (5C6) 01.54.CS.2.E102X50V SMD Capacitor 0603-102 X7R±10%/50V (7C14) (7C15) 8C28...
  • Page 29 (3CB19) (3CB20) (3CB21) (3CB22) (3CB23) (3CB24) (3CB25) (3CB26) 3CB27 (4CB1) (4CB10) (4CB2) 4CB4 4CB5 4CB6 4CB7 4CB8 (4CB9) (5CB1) (5CB2) (5CB3) (5CB4) (5CB5) (5CB6) (5CB8) (5C8) (5CB9) (5CB10) (5C10) (5CB13) (5CB14) (5CB15) (5CB16) (5CB17) (5CB18) (5CB19) (5CB20) (5CB22) (5CB23) (5C9) (5C12) 5CB27 (6C5) (6C6) (6C8) (6C9) 6C10 (6C11) 6C12 (6C14) 6C15 (7CB1)
  • Page 30 6FB1 6FB2 6FB3 6FB4 6FB5 6FB6 6FB7 6FB8 6FB9 SMD ferrite 01.13.L.Z.ESA50 0603-50Ω 6FB10 (6FB11) 3FB1 bead (6FB16) (6FB17) 7FB5 9L1 9L2 (9L3) 2FB1 (2FB2) 2FB3 (2FB4) SMD ferrite 2FB5 (2FB6) 2FB7 2FB8 01.13.L.Z.ESB100 0805-100Ω bead (2FB9) 2FB10 2FB11 2FB12 5FB1 6FB12 SMD ferrite 01.13.L.Z.ESC50 1206-50Ω...
  • Page 31 01.34.CL.D.E288100U Electrolytic CD288H-100UF/35V 8*12 1 10EC4 35VD capacitor 01.34.CL.D.E288220U Electrolytic CD288H-220UF/16V 6.3*12 1 8EC2 16VD capacitor 01.34.CL.D.E470U25V Electrolytic CD110-470UF/25V 8*14 1 2EC11 capacitor 01.34.CL.D.E470U35V Electrolytic CD110-470UF/35V 10*15 1 10EC1 capacitor Electrolytic 470UF/25V 8*20 ±20% 105 01.34.CL.D.E470U25V 4 2EC5 2EC10 2EC12 7EC4 capacitor ℃...
  • Page 32 01.46.IC.ECE2836 CE2836 SMD 1 10U2 01.44.IC.S.E0514 RClamp0514M SMD 2 5U5 5U4 01.44.IC.S.E672T UPA672T SMD 1 5U7 01.44.IC.S.EATMEGA8 ATMEGA8L SMD 1 6U1 01.44.IC.S.EAZ7808 AZ7808 SMD 1 8U1 01.44.IC.S.ETDA8932 IC TDA8932 SMD 1 10U1 01.44.IC.S.E9886 TDA9886 SMD 1 8U4 01.46.IC.E24LC16 24LC16 SMD 1 3U2 01.44.IC.S.E433 FSAV433 SMD...
  • Page 33 Bom NO. Part NO. Part Name Qty. 02.22.LTD06T-3 LTD06T-3828C01 Receiver board 828C01 Part NO. Name Spec. Qty. Loca. 01.57.R.2.E100J SMD Resistor 0603-10Ω±5% 1 R1 01.57.R.2.E202J SMD Resistor 0603-2KΩ±5% 1 R2 0603-104 01.54.CS.2.E104Y50V SMD Capacitor 1 C1 Y5V-20+80%/50V Electrolytic 01.34.CL.D.E10U16VB CD11X-10UF/16V 1 EC1 capacitor 01.57.R.Y.E3015...
  • Page 34 ESD1 ESD2 ESD3 ESD4 ESD5 ESD6 ESD7 ESD8 ESD9 ESD10 ESD11 ESD12 ESD13 01.57.R.Y.E3015 Resistor AVLC18S03015 ESD14 ESD15 ESD16 ESD17 ESD18 ESD19 ESD20 ESD21 ESD22 ESD23 ESD24 C1 C2 C3 C4 C5 C6 C7 C8 01.54.CS.2.E331X50V SMD Capacitor 0603-330P X7R±10%/50V C10 C11 C12 C13 C14 C15 C16 C17 0603-104...
  • Page 35 01.37.PCB.2.E3829C2 Circuit board Keystoke board3829C-V2.0 Bom NO. Part NO. Part Name Qty. 02.14.LTD06I38 LTD06I-3830C01 Connecting board 30C01 Part NO. Name Spec. Qty. Loca. 01.57.R.2.E000J SMD Resistor 0603-0Ω ±5% 1 (9R52) 01.57.R.2.E100J SMD Resistor 0603-10Ω±5% 2 9R34 9R39 01.57.R.2.E750J SMD Resistor 0603-75Ω±5% 3 9R36 9R42 9R45 01.57.R.2.E101J...
  • Page 36 Connecting 01.37.PCB.2.E3830C3 Circuit board board3830C-V3.0...