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PT2353H

Satellite + Subwoofer 3-Speaker System Electronics Crossover IC

Princeton Technology 

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

Satellite + Subwoofer 3-Speaker System Electronics Crossover IC

PT2353H

3D EFFECT FUNCTION

The 3D pin controls PT2353H’s 3D effect function. It toggles between turning the 3D effect function ON

and OFF. When the 3D effect function is enabled, the 3D LED is displayed. When the PO pin in low

state the 3D function will backup and both 3D effect and 3D LED are inhibited.

POWER CONTROL

PK (Pin 14) is the PO Control Pin and is used to toggle between activating and deactivating the PO pin

(Pin 15). The power amplifier MUTE or Standby status (ON or OFF) may be controlled by connecting

the external power amplifier device to the PO Pin.

POWER ON INITIALIZATION

After power is first applied to PT2353H’s VDD pin:

• the output state for the PO pin is set to HIGH.

• the 3D function is set to OFF.

• the Master Volume is set to -30dB and Subwoofer Volume is set to 0dB.

• all the function keys are enabled.

When the Power is reset:

• the VDD must drop below 2V.

• the Power supply rising time must be below 100mS, otherwise the Power Reset function will fail.

Please refer to the following diagram.

Power Off

VDD

80 %V DD

2V

0V

Power On

T

T=<1 00m s

PT2353H V1.1

-9-

November, 2005

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