6-10 Disassembly Sequence Overview Assembly Removal and Replacement, MS202xC
6-10 PN: 10580-00307 Rev. D MS20xxC MM
6-10 Disassembly Sequence Overview
Outside Replacements
The following parts can be replaced without opening the case:
• Main Keypad Rubber Membrane
• Main Keypad PCB Assembly
• Main Menu Keypad Rubber Membrane
• Main Menu Keypad PCB Assembly
• Rotary Knob
• Hand Strap Handle
• Battery and Battery Door
Inside Replacements
Opening the instrument case provides access for the following replacement assemblies:
• Power Monitor PCB Assembly, Option 5
• VNA PCB Assembly
• GPS Receiver Module, Option 31
• Rotary Encoder
• Main PCB Assembly (Mother Board)
• LCD Display Assembly
• Clear Plastic LCD Protector
1. Case Back and Mounting Screws
2. Power Monitor Option 5 PCB Assembly (behind connector strip)
3. VNA PCB Assembly with N(f) or K(f) Connectors
4. GPS Module Option 31 PCB Assembly
5. LCD Backlight Cable Connector mounted on Main PCB Assembly)
6. Battery Door
7. Battery
8. Case Front
9. Main Keypad (mounted on Case Front)
10.Numeric Keypad (mounted on Case Front)
11.Rotary Knob and Rotary Encoder (not shown, mounted on Case Front)
12.LCD Display (mounted on Main PCB Assembly)
13.Main PCB Assembly
14.Cable, 26 MHz Reference (VNA Board to Mother Board)
15.RF Module Assembly
16.Microwave NF Module Assembly
Figure 6-7. VNA Master MS2027C and MS2028C Major Assemblies – Viewed from Bottom
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