Shimadzu GC-2014 - PCB Key Assembly: Functional Block Diagram

Chapter 2 Configuration of GC-2014
GC-2014 Service Manual
31
2.3.5 PCB Key Assembly: Functional Block Diagram
Fig. 2.3.4 PCB Key Assembly: Functional Block Diagram
Key
The key is pressed.
Key signal
Voltage
conversion
PCB key ASSY
CPU unit
The CPU performs detection
at regular intervals.
Window signal
Contrast adjustment