SHARP CX149 Technical Report

Date: Dec. 6, 1993

COLOR IMAGE SCANNER : JX-450

1.TANTALUM CAPACITOR CHANGE.

2.DIODE ADDITION.

3.USER’S MANUAL CHANGE.

1. Tantalum capacitor change.

1.Model name: JX-450

2.General: The tantalum capacitor used in the control circuit board and the CCD circuit board has

been changed to an aluminum electrolytic capacitor.

No. : CX-149

3.Description: The tantalum capacitors listed below have been changed.
Circuit Board

➀ C15 33µ/10V Tantalum → 33µ/10V Electrolytic.
➁ C112 33µ/10V Tantalum → 33µ/10V Electrolytic + 105C (1µF).

➂ C129 10µ/25V Tantalum → 10µ/25V Electrolytic.

➃ C130 223C → 104C
➄ C131 22µ/16V Tantalum → 22µ/16V Electrolytic.
➅ C132 223C → 104C

33µ/10V

➀ C15 has been changed to aluminium electrolytic capacitor.

SHARP CORPORATION Printer and Scanner Division

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Orange

C

➂ C129 has been changed to

aluminium electrolytic capacitor.

➄ C131 has been changed to

aluminium electrolytic capacitor.

22µ/16V

<Circuit Board>

➀ C10 33µ/10V Tantalum → 33µ/10V Electrolytic + 105C (1µF).
➁ C11 33µ/10V Tantalum → 33µ/10V Electrolytic + 105C (1µF).

10µ/25V

➃ C130 has been changed to 104C (0.1µ).
➅ C132 has been changed to 104C (0.1µ).

Sample hold buffer.

➁ C112 has been changed to

aluminium electrolytic capacitor
and capacitor 105C (1µ) has
been added.

33µ/10V

105C

➀C10 has been changed to aluminium

electrolytic capacitor and capacitor 105C
(1mF) has been added.

➁ C11 has been changed to aluminium

electrolytic capacitor and capacitor 105C
(1mF) has been added.

33µ/10V

105C (1µ)

4.Action: From July, 1993 (Control circuit board).
From December, 1993 (CCD circuit board).

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