Grundig 50VLX7860 User manual

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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:

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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. PCB Silkscreen··········································································· 错误！未定义书签。
9. Schematic Circuit Diagram···························································· 错误！未定义书签。
10. Key Power Check Point······························································错误！未定义书签。
11. Trouble Shooting········································································错误！未定义书签。
Revision History
Version
Number
Revision
Data
Description of changes

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1. Technical Specification
1 Brief Information
1.1 Model Name 9M02G
1.2 Solution MSD6586
1.3 Display Definition (max) *
1.4 Display Interface LVDS/MiniLVDS/EPI/EDP/V-BY-ONE V-BY-ONE
1.5 AC Input Range (三合一板必须填写) 100~240V
1.6 Standby Power Consumption <0.5W
1.7
White Balance, Color Tempe
rature
Min TYP Max Unit 12500(266,276)
9800(280,290)
6500(313,329)
6500 9800 12500 kdeg
1.8
Video Noise Limited Sensitiv
ity(@S/N=30dB)
60 dB VHF
60 dB UHF
1.9 Video Input Level(75 ohm) 1 Vp-p
2 Signal Receiving System
2.1 ATV Receiving System ATV Receiving System
2.1.1 PAL BG/I/DK/ No
2.1.2 NTSC-M Yes
2.1.3 PAL/SECAM BG/DK/I SECAM L Yes
2.1.4 PAL M/N NTSC-M No
2.2 DTV Receiving System DTV Receiving System
2.2.1 ATSC No
2.2.2 DVB-T No
2.2.3 DVB-T with CI Yes
2.2.4 DVB-T2 No
2.2.5 DVB-T2 with CI+ Yes
2.2.6 ISDB-T/SBTVD-T No
2.2.7 DTMB No
2.2.8 DVB-C Yes
2.2.9 ISDB-T/ISDB-S No
2.2.10 DVB-S No
2.2.11 DVB-S/S2 Yes
2.3 Antenna input Antenna input

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2.3.1 Antenna Input port: 1 (1 for analogue) No
2.3.2 Antenna Input port: 1 No
2.3.3 Antenna Input port: 2 ( for 1 Terrestrial and 1 Satellite) YES
2.3.4 Type of Antenna Input Port IEC and F Female
2.3.5 Receiving Frequency range (ATV) 47.25MHz～865.25MHz
2.3.6 Receiving Frequency range (DTV) 177.5-858MHZ
2.37 Receiving Frequency range (DVB-S/S2) 950-2150MHz

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2. System Block

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3. List of key parts
NAME Part
reference DESCRIPTION SKYWORTH P/N
IR Recevier M0K2 SMD SSR438S-TR 5300-14438S-0S10
Crystal
X0T2 C3SB16.0000F9D3ER 4900-116054-RS00
X0T1 CRYSTAL 27.000MHZ 492L-127054-QS00
X1 CRYSTAL 24.000MH 4900-124052-RS00
Tuner
U0T1 MXL661 47C4-M66100-0240
U0T1 AV2017-S85QFG 47EY-A20170-0200
IC
U0M2 TH58NVG2S3HTA00 4701-T5D4G1-1530
U2、U3 H5TQ2G63GFR-RDC 4711-H5T2G6-0960
U0T5 RT5047GSP 472L-R50471-0080
U0A1 TAS5707PHPR 4722-T57070-0480
UP03 MSH6110A 475C-M61100-0080
U1 MSD6586PYET-8-00ET 475C-M65863-7240
U4P1 AOZ2152EQI-30 4786-A21521-0180
U0P4、U0P8、U0P9 MP1652GTF-Z 476A-M16520-0060
U0P7 MP1653GTF-Z 476A-M16530-0060
U1P4 AZ1117CH-3.3TRG1 47C5-A11175-0030
U4 FM24C64D 472M-F24640-0080
U0L1 AP9435GM-HF 474G-A94352-0080
U0J1 CS0809V-C 47HL-C0809C-0060
OTHERS

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4. IC General Description
4.1 Main IC: MSD6586

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4.2 Amplifier: TAS5707

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4.3 RF controller: MXL661

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4.4 EMMC ：THGBMDG5D1LBAIL