All manuals and user guides at all-guides.com Service Manual Table of Contents GS4160R SWITCH HUB ......................0 Chapter 1. Introduction ........................2 a. Hardware ..........................2 b. Software ..........................2 Chapter 2. Testing Procedures ......................3 A. No Power Testing Flow Chart....................3 No Link or Link L.E.D. Unlight Testing Flow Chart............7 No Connection Testing Flow Chart..................13...
All manuals and user guides at all-guides.com Service Manual Chapter 1. Introduction a. Hardware ♦ RJ-45 cable ♦ RJ-45 port b. Software ♦ NONE Version 1.0 Page 2...
All manuals and user guides at all-guides.com Service Manual Chapter 2. Testing Procedures A. No Power Testing Flow Chart START Check JPP-1 REPLACE POWER SUPPLY Check JPP-2 REPLACE POWER SUPPLY 3.3V Check JPP-3 REPLACE POWER SUPPLY 3.3V Version 1.0 Page 3...
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All manuals and user guides at all-guides.com Service Manual CHECK JPP-1 +5V JPP-1 +5V Version 1.0 Page 4...
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All manuals and user guides at all-guides.com Service Manual CHECK JPP-2 +3.3V JPP-2 +3.3V Version 1.0 Page 5...
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All manuals and user guides at all-guides.com Service Manual CHECK JPP-3 +3.3V JPP-3 +3.3V Version 1.0 Page 6...
All manuals and user guides at all-guides.com Service Manual B. No Link or Link L.E.D. Unlight Testing Flow Chart START Check Y1 REPLACE Y1 50Mhz Check U9-7 REPLACE U9 LD1# signal Check U1-3 REPLACE U1 .3.3V Check U1-1 REPLACE U1 1.8V Check U10-4 REPLACE U10...
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All manuals and user guides at all-guides.com Service Manual CHECK Y1 50Mh Version 1.0 Page 8...
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All manuals and user guides at all-guides.com Service Manual CHECK U9-7 LD1# SIGNAL U9-7 Version 1.0 Page 9...
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All manuals and user guides at all-guides.com Service Manual CHECK U1-3 +3.3V U1-3 Version 1.0 Page 10...
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All manuals and user guides at all-guides.com Service Manual CHECK U1-1 +1.8V U1-1 Version 1.0 Page 11...
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All manuals and user guides at all-guides.com Service Manual CHECK U10-4 UPRX+ SIGNAL U10-4 Version 1.0 Page 12...
All manuals and user guides at all-guides.com Service Manual C. No Connection Testing Flow Chart START Check T2-16 REPLACE T2 UPTX- signal Check U3-4 REPLACE U3 RESET signal Check U2-4 REPLACE U2 50Mhz Version 1.0 Page 13...
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All manuals and user guides at all-guides.com Service Manual CHECK T2-16 UPTX- SIGNAL T2-16 Version 1.0 Page 14...
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All manuals and user guides at all-guides.com Service Manual CHECK U3-4 RESET SIGNAL U3-4 Version 1.0 Page 15...
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All manuals and user guides at all-guides.com Service Manual CHECK U2-4 50Mhz U2-4 Version 1.0 Page 16...
All manuals and user guides at all-guides.com Service Manual Chapter 3. Troubleshooting Guide Problems Probable Reasons Solutions 1. No link or link 1. PCB defect 1. Replace U5-U8 L.E.D. Unlight 2. Replace U1 3. Replace U9 4. Replace U10 5. Replace Y1 2.
All manuals and user guides at all-guides.com Service Manual Chapter 4. Removal and Replacement Step Description Picture 1. Loose screws Using screwdriver to loose 3 screws. 2. Take apart After taking screw off, you can take upper cover up the upper cover Version 1.0 Page 18...
All manuals and user guides at all-guides.com Service Manual Chapter 5. Parts List Item Part number description Position 10820005000 50Mhz 11300193000 RTL 8204 10330062000 12C509A 11300210000 PI5L200 11310011000 AIC 1739 10640029000 POWER PCBA 20600028000 PCBA GS4160 Chapter 6. Tools 1.Screwdriver Cross 2.Oscilloscope Version 1.0 Page 19...
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