Genius TVGo DVB-T01, Service Manual

Page 1: ...Service Manual TVGo DVB T01 Version 1 0 ...

Page 2: ...r on the reverse side 4 b Remove screws 5 c Open the case 6 d Remove PCB from case 7 Chapter 3 Testing Procedures 8 a Testing flow chart 8 b Check USB Power 10 c Check System 2 5V 11 d Check System 3 3V 12 e Check DVB 3 3V 13 f Check DVB 1 8V 14 g Check Tuner 5V 15 h Check Y1 12MHz 17 i Check T1 DVB Clock 19 j Check Device on the Windows Device Manage 21 Chapter 4 Troubleshooting Guide 23 Chapter ...

Page 3: ... disk space z 100MB used to install the driver and software d Block Diagram CIR Control M9206 PC DVB Tuner with demodulator USB MPEG2 Transport Stream Crystal 12Mhz 5V_SYS 5V_Tuner 2 5V SYS 5V Step up DC DC AAT1102 3 3V REG AIC 1117 33 3 3V REG AIC 1117 33 2 5V REG AIC 1117 25 3 3V SYS 3 3V DVB 1 8V REG AIC 1117 18 1 8V DVB 3 3V SYS 2 5V SYS 3 3V DVB 1 8V DVB 5V_Tuner POWER Distribution ...

Page 4: ...Service Manual TVGo DVB T01 4 Chapter 2 Removal and Replacement a Remove mattress protector on the reverse side Remove mattress protector ...

Page 5: ...Service Manual TVGo DVB T01 5 b Remove screws Remove screws ...

Page 6: ...Service Manual TVGo DVB T01 6 c Open the case ...

Page 7: ...Service Manual TVGo DVB T01 7 d Remove PCB from case ...

Page 8: ... Chapter 3 Testing Procedures a Testing flow chart START Check USB Power 4 5 5 5V CN2 Pin 1 A Check U6 Pin 2 2 5V Check U7 Pin 2 System 3 3V Check U3 Pin 2 DVB 3 3V Check PC USB Port Replace U6 Replace U7 Replace U3 T T T T F F F F ...

Page 9: ...VGo DVB T01 9 A Check Y1 Pin 1 3 12MHz Check T1 Pin 12 DVB Clock Check Tuner Pin 3 4 5V Check U4 Pin 2 DVB 1 8V Replace U4 Replace U5 Replace Y1 Replace T1 T F T F T F T F T END Check Windows Device Manage Replace U2 F ...

Page 10: ...Service Manual TVGo DVB T01 10 Check USB Power b Check USB Power 4 5 5 5V CN2 Pin 1 ...

Page 11: ...Service Manual TVGo DVB T01 11 c Check 2 5V Check U6 Pin 2 2 5V ...

Page 12: ...Service Manual TVGo DVB T01 12 d Check System 3 3V Check System U7 Pin 2 3 3V ...

Page 13: ...Service Manual TVGo DVB T01 13 e Check DVB 3 3V Check DVB 3 3V U3 Pin 2 ...

Page 14: ...Service Manual TVGo DVB T01 14 f Check DVB 1 8V Check DVB 1 8V U4 Pin 2 ...

Page 15: ...Service Manual TVGo DVB T01 15 g Check Tuner 5V Check Tuner Pin 3 4 5V ...

Page 16: ...Service Manual TVGo DVB T01 16 Replace U5 ...

Page 17: ...Service Manual TVGo DVB T01 17 h Check Y1 12MHz Check Y1 Pin1 or Pin3 12MHz Please check Y1 frequency is 12MHz ...

Page 18: ...Service Manual TVGo DVB T01 18 Replace Y1 ...

Page 19: ...Service Manual TVGo DVB T01 19 i Check T1 DVB Clock Check T1 Pin12 DVB Clock ...

Page 20: ...Service Manual TVGo DVB T01 20 Service Manual TVGo DVB T01 20 Check Pin12 DVB Clock frequency must 60MHz NOTE Different country The DVB clock will get different frequency Replace T1 ...

Page 21: ...Service Manual TVGo DVB T01 21 j Check Device on the Windows Device Manage Check Device on the Windows Device Manager If not found Please replace U2 ...

Page 22: ...Service Manual TVGo DVB T01 22 Service Manual TVGo DVB T01 22 Replace U2 ...

Page 23: ...light No signal or no connect antenna LED Parts fault 1 Connect antenna and select correct channel 2 Replace LED Parts D6 1 No light 1 2 4 No TV image 1 Display fail 1 No scan channel 2 No signal or no connect antenna 3 Tuner parts fault 1 Scan channel 2 Check Nation Area and bandwidth on the Setting Connect antenna and select correct channel 3 Replace Parts T1 See Page 19 20 5 Remote controller n...

Page 24: ...0111710000 U3 AIC1117 33_SOT 223 Lo tor 2560111710000 w Dropout Positive Regula U4 AIC1117 18_SOT 223 Low Dropout Positive Regulator 2560111700000 U5 AAT1102_MSOP step up DC er 2560110200001 DC convert Y1 12MHZ 6 2x3 crystal 2701200035700 T1 Comtech Tuner MDVBT 35278T 2333527800110 U2 ULi M9206 2510920600000 D7 LED Blue_1206 2410000100000 D6 LED Yellow_1206 2410000200000 IRM1 IRM4838_infrared ray ...