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Service Manual 

 

 

 

 

 

 

 

 

 

GS4160R SWITCH HUB 

 

 

Summary of Contents for GS4160R

Page 1: ...Service Manual GS4160R SWITCH HUB ...

Page 2: ...oftware 2 Chapter 2 Testing Procedures 3 A No Power Testing Flow Chart 3 B No Link or Link L E D Unlight Testing Flow Chart 7 C No Connection Testing Flow Chart 13 Chapter 3 Troubleshooting Guide 17 Chapter 4 Removal and Replacement 18 Chapter 5 Parts List 19 Chapter 6 Tools 19 Version 1 0 Page 1 ...

Page 3: ...Service Manual Chapter 1 Introduction a Hardware RJ 45 cable RJ 45 port b Software NONE Version 1 0 Page 2 ...

Page 4: ...al Chapter 2 Testing Procedures A No Power Testing Flow Chart START Check JPP 1 5V T T F Check JPP 2 3 3V T Check JPP 3 3 3V F REPLACE POWER SUPPLY REPLACE POWER SUPPLY END REPLACE POWER SUPPLY F Version 1 0 Page 3 ...

Page 5: ...Service Manual CHECK JPP 1 5V JPP 1 5V Version 1 0 Page 4 ...

Page 6: ...Service Manual CHECK JPP 2 3 3V JPP 2 3 3V Version 1 0 Page 5 ...

Page 7: ...Service Manual CHECK JPP 3 3 3V JPP 3 3 3V Version 1 0 Page 6 ...

Page 8: ...k L E D Unlight Testing Flow Chart START Check Y1 50Mhz F T Check U9 7 LD1 signal T Check U1 3 3 3V T Check U1 1 1 8V T T Check U10 4 UPRX signal F F F REPLACE U10 REPLACE U1 REPLACE U1 REPLACE U9 END REPLACE Y1 F Version 1 0 Page 7 ...

Page 9: ...Service Manual CHECK Y1 50Mhz Version 1 0 Page 8 ...

Page 10: ...Service Manual CHECK U9 7 LD1 SIGNAL U9 7 Version 1 0 Page 9 ...

Page 11: ...Service Manual CHECK U1 3 3 3V U1 3 Version 1 0 Page 10 ...

Page 12: ...Service Manual CHECK U1 1 1 8V U1 1 Version 1 0 Page 11 ...

Page 13: ...Service Manual CHECK U10 4 UPRX SIGNAL U10 4 Version 1 0 Page 12 ...

Page 14: ...Service Manual C No Connection Testing Flow Chart START Check T2 16 UPTX signal F T Check U3 4 RESET signal T Check U2 4 50Mhz F REPLACE U2 REPLACE U3 REPLACE T2 F T END Version 1 0 Page 13 ...

Page 15: ...Service Manual CHECK T2 16 UPTX SIGNAL T2 16 Version 1 0 Page 14 ...

Page 16: ...Service Manual CHECK U3 4 RESET SIGNAL U3 4 Version 1 0 Page 15 ...

Page 17: ...Service Manual CHECK U2 4 50Mhz U2 4 Version 1 0 Page 16 ...

Page 18: ...ions 1 No link or link L E D Unlight 1 PCB defect 1 Replace U5 U8 2 Replace U1 3 Replace U9 4 Replace U10 5 Replace Y1 2 Connection fail 1 PCB defect 1 Replace U5 U8 2 Replace T2 3 Replace U3 4 Replace U2 3 No power 1 power supply defect 1 Replace power supply Version 1 0 Page 17 ...

Page 19: ...ual Chapter 4 Removal and Replacement Step Description Picture 1 Loose screws Using screwdriver to loose 3 screws 2 Take apart upper cover After taking screw off you can take up the upper cover Version 1 0 Page 18 ...

Page 20: ...tion Position 1 10820005000 50Mhz Y1 2 11300193000 RTL 8204 U5 3 10330062000 12C509A U9 4 11300210000 PI5L200 U10 5 11310011000 AIC 1739 U1 6 10640029000 POWER PCBA 7 20600028000 PCBA GS4160 Chapter 6 Tools 1 Screwdriver Cross 2 Oscilloscope Version 1 0 Page 19 ...

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