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Content Index
Abbreviations & Acronyms .............................................................................. 3
1
About This Manual......................................................................................... 3
1.1.
Trademark ............................................................................................................ 3
2
Introduction .................................................................................................... 4
2.1.
RoHS (2002/95/EC) Requirements ...................................................................... 4
2.2.
Safety Notice ........................................................................................................ 4
2.3.
Compliance Statement ......................................................................................... 4
2.4.
General Descriptions ........................................................................................... 4
2.5.
Related Service Information ................................................................................. 4
3
Product Overview .......................................................................................... 5
3.1.
Specification ......................................................................................................... 5
3.2. Customer Acceptance ........................................................................................ 19
4 Level 1 Cosmetic / Appearance / Alignment Service ................................ 25
4.1. Software / Firmware Upgrade Process .............................................................. 25
4.2. Alignment procedure (for function adjustment) ................................................... 31
5 Level 2 Disassembly /Assembly Circuit Board and Standard Parts
Replacement ................................................................................................... 39
5.1. Exploded View ................................................................................................... 39
5.2. Disassembly /Assembly ..................................................................................... 41
5.3. Main-Shielding Position ...................................................................................... 50
5.4. Packing .............................................................................................................. 51
5.5. Block diagram .................................................................................................... 52
5.6. Trouble Shooting Guide ..................................................................................... 53
5.7. Circuit Operation Theory .................................................................................... 58
Appendix 1 – Screw List / Torque .................................................................. 69
Appendix 2
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Physical Dimension Front View and Side view ....................... 72
Summary of Contents for G2420HD
Page 10: ...10 3 1 2 6 Support Timings...
Page 51: ...51 5 4 Packing...
Page 56: ...56 5 6 4 2 AC DC converter...