Circuit Explanations; Explanations Of Each Block - Casio QT-7300 Service Manual

5. CIRCUIT EXPLANATIONS

5-1. Explanations of each block

System Major Parts
Refer to the following diagram to identify the major parts that make up the QT-7300.
1. Plastic front cover: The plastic front cover is made of the ABS material. An indicating LED is on the right
bottom side to indicate the power status.
2. Touch screen: The QT-7300 feature a quick-response touch screen for keyboard-less operation. The
standard touch is 12.1" analog resistive type Fujitsu touch screen. Its durability is 10 million touches in life.
3. LCD display: To provide the best visual resolution and viewing angle, the standard display adapted are 12.1"
TFT for the QT-7300.
4. LCD display back-light inverter: The back-light inverter is to provide the necessary power voltage to lighten
the LCD display.
5. Not available
6. Metal front compartment: The universal mounting design of the front metal compartment is able to mount
LCD display and the EMI is also considered.
7. System fan: In consideration of the system's air flow, a system fan is installed to dispense the system heat
to stabilize the system
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