Epson AP-60 Product Support Bulletin

EPSON PRODUCT SUPPORT BULLETIN

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This bulletin was created to inform you about an updated firmware release for the AP-60
Projector Sound Solution unit to improve the performance described below.

Improvements:

• Improves the sound performance when feedback is present.

Serial Numbers Affected:
AP-60 Serial numbers with the countermeasure: G91121915~G91121920 /

G00120001~G00120480 (January, 2010 shipment)
Note: The following serial numbers were included in the January, 2010 shipment, and

these units do not have the countermeasure: G91121891 / G91121897 /

12/24/2009
PSB.2010.01.001
TI09-68e Rev. A and B
AP-60 Projector Sound Solution
Firmware Update – Improves Sound Quality

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Authorization:

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esc
8

G91121899~G91121914

Required Equipment and Preparation:

Required:

• AP-60 unit to be updated

• PC computer running Windows 98SE / Me / 2000 / XP

• RS232 Null modem serial cable

• Firmware/DownLoader files: BTLD_Test.exe, btldtest.ini, DSP_code.hex (included in

epson13644.exe package)

• Download and extract epson13644.exe package. The files are extracted and copied to
C:\EPSON\epson13644_ap60_downloader_firmware_13.

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PSB.2010.01.001

How to Establish Serial Communication between the AP-60 and the Computer:

a) Download epson13644.exe package which includes the following files:

1. BTLD_Test.exe

2. btldtest.ini

3. DSP_code.hex

b) Remove two Phillip screws from the audio control board then slide out the audio

control board to access the RS-232 connector.

c) Connect one end of the RS-232 cable to the backside of the RS-232 port and the

other end of the cable to the PC. Then restart the PC.

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PSB.2010.01.001

1) Connect the power cable to the AP-60 unit (Power LED is solid orange) -- do not turn it
on. Verify the null modem cable is connected to the AP-60 unit RS-232c and computer RS-

232c serial ports.
When the AP-60 is in Standby Mode, hold down the Power button (black button on the

front left side of the audio control board) for at least 3 seconds or more until
the Power light LED shows blinking green—release when the Power LED is blinking green.

a) If the Power LED does not show blinking green, set the projector to standby mode

and hold down the power button again for 3 seconds or more.

b) Right-click My Computer on the PC desktop screen then click Manage.

2. Click Device Manager and expand Ports (COM & LPT). Then note the available
COM Port number. The following example shows the assigned port number as COM1.

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PSB.2010.01.001