Skyworth 7M02B Bedienungsanleitung
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SERVICE MANUAL
Design and specifications are subject to change without prior notice. (Only for Reference)
Description: SERVICE MANUAL 7M02B
Version:V0.01
Prepared By: Lihuanghui Date: 2017-07-20
Checked By: Date:
Approved By: Date:
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CONTENT
Revision History..........................................................................................................................................2
1. Technical Specification........................................................................................................................ 3
2. System Block......................................................................................................................................... 4
3. List of key parts................................................................................................................................... 5
4. IC General Description........................................................................................................................6
5. Software Upgrade...............................................................................................................................18
6. Setting Hotel Mode Menu................................................................................................................ 19
7. Wiring Diagram................................................................................................................................... 19
8.PCB Silkscreen..................................................................................................................................... 20
9.Schematic Circuit Diagram.................................................................................................................22
10.Key Power Check Point................................................................................................................... 32
11.Trouble Shooting................................................................................................................................ 33
Revision History
Version
Number
Revision
Data
Description of changes
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1. Technical Specification
1 Brief Information
1.1 Model Name 7M02B
1.2 Solution MSD6486
1.3 Display Definition (max) 1920*1080
1.4 Display Interface LVDS/MiniLVDS/EPI/EDP/V-BY-ONE LVDS
1.5 AC Input Range (三合一板必须填写) 100~240V
1.6 Standby Power Consumption <0.5W(normal)
1.7
White Balance, Color Tempe
rature
Min TYP Max Unit 17210(262,260)
9660(281,294)
6570(313,329)
6570 9660 17210 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 NTSC-M No
2.1.2 PAL BG/I/DK/NTSC-M No/No
2.1.3 PAL/SECAM BG/DK/I SECAM L/L" No
2.1.4 PAL M/N NTSC-M Yes
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 No
2.2.4 DVB-T2 No
2.2.5 DVB-T2 with CI+ No
2.2.6 ISDB-T/SBTVD-T Yes
2.2.7 DTMB No
2.2.8 DVB-C with CA No
2.2.9 DVB-S No
2.2.10 DVB-S2 No
2.3 Antenna input Antenna input
2.3.1 Antenna Input port: 1 (1 for analogue) No
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2.3.2 Antenna Input port: 1 (1 for both analogue and digital) No
2.3.3 Antenna Input port: 2 (1 air + 1 Cable) YES
2.3.4 Type of Antenna Input Port IEC169-24 Male
2.3.5 Receiving Frequency range (ATV) 47.25MHz～859.25MHz
2.3.6 Receiving Frequency range (DTV) 177-803.143 MHZ
2.37 Receiving Frequency range (DVB-S/S2) Nonsupport
2. System Block
100mA
TUNER 5V
馈电
500mA
+5V_Normal
AZ1117
3V3 1A
AZ1117
3V3 1A
POWER 5707(10W*2)
+12V_PWR +12V_Normal
+12V_Panel
Standby
FOR panle
ME9435A-6A
MP1653 (3A)
EN
AUDIO AMP 1.2A
310mA
412mA
650mA
480mA 1160mA
+5V_Standby
STANDBY
AO3401
+3.3V_Normal
AZ1117
3V3 1A
+5V_Normal
+3.3V_Standby
MP1653 (3A)
+5V_VDD
STANDBY
+3.3V_TU
+5V_Normal
TLV62565 (1.5A)
+1.5V_DDR
STANDBY
MP8756 6A
90mA
3600mA
+1.1V_VDDC
NAND FLASH
325mA
DDR3(256MB)
SOC
MSD6486
160mA
500mA*2
USB*2
TUNER(ISDB)
STANDBY
150mA
500mA
WIFI MOUDLE
EN
100mA
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3. List of key parts
（三合一板需要加入电源部分关键器件）
NAME Part
reference DESCRIPTION SKYWORTH P/N
IR Receiver IR1 SMD INFRARED RECEIVER MODULES 37.9KHZ H-T 5300-14841A-0S00
Crystal Y201 SMD CRYSTAL 24.000MHZ +/-10PPM CL=9PF (3.
2*2.5MM) TAPE TYPE 4900-124054-QS00
X0T5 SMD CRYSTAL 16.0000MHZ CL:9PF +/-20PPM 4900-116054-RS00
Tuner U1T0 SMD IC MXL661 MAXLINEAR (SILICON TUNER) Q
FN-24 47C4-M66100-0240
SOC U1503 SMD IC MSD6486XTT-8-00BR MSTAR(DTV PROCE 475C-M64861-4080
OTHERS
U0A1 SMD IC TAS5707PHPR TEXAS(20W STEREO DIG AMP 4722-T57070-0480
U0B1 SMD IC OZ560EGN-B1-0-TR O2 MICRO (LED DRIVER) 476K-Z56000-0160
U0D1 SMD IC LNK6778K-TL PI(OFF-LINE SWITCHER WITH
PSR) ESOP-12B 4785-L67780-0120
U0J1 SMD IC CS0809V-C TITAN(5V/3pF 4-WAY TVS PROTE
CTION) SOT23-6L 47HL-C0809C-0060
U0J5 U0J6 U0
J11 U0J12
SMD IC TT0504SP TITAN(LOW CAPACITANCE TVS PRO
TECTION) DFN10 47HL-T05040-0100
U0T3 SMD IC PE42750MLAB-Z PEREGRINE(RF SIGNAL SWIT
CH)QFN 47FK-P42750-0120
U1M9 SMD IC TC58NVG1S3HTA00 TOSHIBA (2G BIT CMOS N
AND EEPROM) TSOPI48 4701-C582G1-0480
U1P1 SMD IC MP8756GD-Z MPS(6A 26V STEP DOWN CONVER
TER#QFN 476A-M87560-0120
U1P2 SMD IC TLV62565DBVR TI(1.5A 2.7V-5.5V STEP DO
WN CONVERTER)SOT-23 4722-T25650-0050
U1P3 U1P4 SMD IC MP1653GTF-Z MPS(3A 17V STEP DOWN CONVE
RTER#SOT563 476A-M16530-0060
U2P1U2P2 U2P
3IC AZ1117CH-3.3TRG1 DIODES (3V3/1A LOW DROPOU 47C5-A11175-0030
U301 SMD IC H5TQ4G63CFR-RDC HYNIX(256M*16 DDR31866 4711-H5T4G5-0960
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4. IC General Description
(选取部分对售后有帮助的 IC,截取关键内容，不要整份规格书粘贴，截图要清晰，放大后能看清
楚所有文字，三合一板需要加入电源 IC 和背光 IC 的介绍)
4.1 Main IC: MSD6486XTT-8-00BR
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4.2 Amplifier: TAS5707PHPR
Functional Block Diagram:
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Pin Configuration and Functions:
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Skyworth RGB R&D Centre Technical Document
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