Grundig 50VLX7860 Service Manual
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Grundig 50VLX7860 Service Manual

9m10g
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Skyworth RGB R&D Centre
SERVICE MANUAL
Design and specifications are subject to change without prior notice. (Only for Reference)
Description: SERVICE MANUAL
Version:V0.00
Prepared By:
Checked By:
Approved By:
Technical Document
9M10G
Date:
Date:
Date:
1/43

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Summary of Contents for Grundig 50VLX7860

  • Page 1 Skyworth RGB R&D Centre Technical Document 1/43 SERVICE MANUAL Design and specifications are subject to change without prior notice. (Only for Reference) Description: SERVICE MANUAL 9M10G Version:V0.00 Prepared By: Date: Checked By: Date: Approved By: Date:...

  • Page 2: Table Of Contents

    Skyworth RGB R&D Centre Technical Document 2/43 CONTENT Revision History········································································································ 2 1. Technical Specification··························································································· 3 2. System Block········································································································ 5 3. List of key parts····································································································6 4. IC General Description··························································································· 7 5. Software Upgrade········································································ 错误！未定义书签。 6. Setting Hotle Mode Menu····························································· 错误！未定义书签。 7. Wiring Diagram············································································错误！未定义书签。 8.

  • Page 3: Technical Specification

    Skyworth RGB R&D Centre Technical Document 3/43 1. Technical Specification Brief Information Model Name 9M02G Solution MSD6586 Display Definition (max) Display Interface LVDS/MiniLVDS/EPI/EDP/V-BY-ONE V-BY-ONE (三合一板必须填写) AC Input Range 100~240V Standby Power Consumption <0.5W 12500(266,276) Unit White Balance, Color Tempe 9800(280,290) rature 6500(313,329) kdeg...
  • Page 4 Skyworth RGB R&D Centre Technical Document 4/43 2.3.1 Antenna Input port: 1 (1 for analogue) 2.3.2 Antenna Input port: 1 2.3.3 Antenna Input port: 2 ( for 1 Terrestrial and 1 Satellite) 2.3.4 Type of Antenna Input Port IEC and F Female 47.25MHz～865.25MHz 2.3.5 Receiving Frequency range (ATV)

  • Page 5: System Block

    Skyworth RGB R&D Centre Technical Document 5/43 2. System Block...

  • Page 6: List Of Key Parts

    Skyworth RGB R&D Centre Technical Document 6/43 3. List of key parts Part NAME DESCRIPTION SKYWORTH P/N reference IR Recevier M0K2 SMD SSR438S-TR 5300-14438S-0S10 X0T2 C3SB16.0000F9D3ER 4900-116054-RS00 Crystal X0T1 CRYSTAL 27.000MHZ 492L-127054-QS00 CRYSTAL 24.000MH 4900-124052-RS00 U0T1 MXL661 47C4-M66100-0240 Tuner U0T1 AV2017-S85QFG 47EY-A20170-0200 U0M2...

  • Page 7: Ic General Description

    Skyworth RGB R&D Centre Technical Document 7/43 4. IC General Description 4.1 Main IC: MSD6586...
  • Page 8 Skyworth RGB R&D Centre Technical Document 8/43...
  • Page 9 Skyworth RGB R&D Centre Technical Document 9/43...
  • Page 10 Skyworth RGB R&D Centre Technical Document 10/43...
  • Page 11 Skyworth RGB R&D Centre Technical Document 11/43...
  • Page 12 Skyworth RGB R&D Centre Technical Document 12/43...
  • Page 13 Skyworth RGB R&D Centre Technical Document 13/43...
  • Page 14 Skyworth RGB R&D Centre Technical Document 14/43...
  • Page 15 Skyworth RGB R&D Centre Technical Document 15/43...
  • Page 16 Skyworth RGB R&D Centre Technical Document 16/43 .2 Amplifier: TAS5707...
  • Page 17 Skyworth RGB R&D Centre Technical Document 17/43...
  • Page 18 Skyworth RGB R&D Centre Technical Document 18/43 4.3 RF controller: MXL661...
  • Page 19 Skyworth RGB R&D Centre Technical Document 19/43...
  • Page 20 Skyworth RGB R&D Centre Technical Document 20/43 4.4 EMMC ：THGBMDG5D1LBAIL...
  • Page 21 Skyworth RGB R&D Centre Technical Document 21/43...
  • Page 22 Skyworth RGB R&D Centre Technical Document 22/43 4.5 DC-DC Converter：MP1653/MP1652 Package Reference: AOZ2152EQI-30 4.6 DC-DC Converter：...
  • Page 23 Skyworth RGB R&D Centre Technical Document 23/43...

  • Page 24: Software Upgrade

    Skyworth RGB R&D Centre Technical Document 24/43 5.Software Upgrade 5.1 USB upgrade method 1)Copy the MstarUpgrade.bin to the root directory of a USB device; 2)Insert USB device to USB port of TV; 3)Go to the SW update menu under Function; 4)Press SW update, and then press “yes”,and then the TV will update FW automatically；...

  • Page 25: Wiring Diagram

    Skyworth RGB R&D Centre Technical Document 25/43 7.Wiring Diagram...

  • Page 26: Pcb Silkscreen

    Skyworth RGB R&D Centre Technical Document 26/43 8.PCB Silkscreen 8.1 Silkscreen top...
  • Page 27 Skyworth RGB R&D Centre Technical Document 27/43 8.2 Silkscreen bottom...

  • Page 28: Schematic Circuit Diagram

    Skyworth RGB R&D Centre Technical Document 28/43 9.Schematic Circuit Diagram Page1 Power Circuit...
  • Page 29 Skyworth RGB R&D Centre Technical Document 29/43 Page2 Amp...
  • Page 30 Skyworth RGB R&D Centre Technical Document 30/43 Page3 Memory...
  • Page 31 Skyworth RGB R&D Centre Technical Document 31/43 Page4 Tuner...
  • Page 32 Skyworth RGB R&D Centre Technical Document 32/43 Page5 Standard port...
  • Page 33 Skyworth RGB R&D Centre Technical Document 33/43 Page6 USB HUB...
  • Page 34 Skyworth RGB R&D Centre Technical Document 34/43 Page7 Panel Connect...
  • Page 35 Skyworth RGB R&D Centre Technical Document 35/43 Page8 CA Pircuit...
  • Page 36 Skyworth RGB R&D Centre Technical Document 36/43 Page9 Control...
  • Page 37 Skyworth RGB R&D Centre Technical Document 37/43 Page 10 Main chip...
  • Page 38 Skyworth RGB R&D Centre Technical Document 38/43 Page 11 DDR...
  • Page 39 Skyworth RGB R&D Centre Technical Document 39/43 Page 12 DDR...

  • Page 40: Key Power Check Point

    Skyworth RGB R&D Centre Technical Document 40/43 10.Key Power Check Point...

  • Page 41: Trouble Shooting

    Skyworth RGB R&D Centre Technical Document 41/43 11.Trouble Shooting No Display 11.1 11.2 Has BackLight but no Image 11.3 Has Video but no Sound...
  • Page 42 Skyworth RGB R&D Centre Technical Document 42/43 11.4 Has Main power but no BackLight（三合一板需要，由电源设计师编写) （12V_NOR）（三合一板需要，由电源设计师编写) 11.5 No main power...
  • Page 43 Skyworth RGB R&D Centre Technical Document 43/43...

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