Anritsu MS2665C - Section 2 MS2665 C

2-1
Section 2 MS2665C
2.1 Overall Circuit description ......................................................... 2-2
2.2 Troubleshooting......................................................................... 2-9
2.2.1 Introduction .................................................................... 2-9
2.2.1.1 Service kit........................................................ 2-9
2.2.1.2 Required equipment........................................ 2-9
2.2.1.3 Circuit reference.............................................. 2-10
2.2.2 Detecting faulty module ................................................. 2-13
2.2.3 Disassembling cabinet................................................... 2-15
2.2.4 Replacement of faulty module ....................................... 2-15
2.2.5 Adjustment after module replacement ........................... 2-16
2.2.5.1 Reference crystal oscillator
(Option 01) adjustment.................................... 2-16
2.2.5.2 Sweep adjustment .......................................... 2-18
2.2.5.3 IF1 (ATT), IF2 (AMP) adjustment.................... 2-24
2.2.6 Assembling cabinet........................................................ 2-26
2.2.7 Checking items after assembling cabinet ...................... 2-26
2.2.8 Frequency response compensation .............................. 2-27
2.3 Mechanical configuration........................................................... 2-31
2.3.1 Disassembling/Assembling cabinet ............................... 2-31
2.3.2 Removing/Assembling units and PC boards ................. 2-35
2.3.3 Front unit disassembly/assembly................................... 2-39
2.3.4 A09 OPTION BASE disassembly/assembly .................. 2-43
2.3.5 Removing/Assembling
A0501 HI-SPEED AD from A05 SCAN/AD.................... 2-47