18
Jul. 2013
AC-40
Verifying the Version
Items Required
• Foot switch (FS-5U x 2 or FS-6 x 1)
* Set the POLARITY switch and the MODE switch on the foot switch as shown
below.
fig.FS-5U.eps
fig.FS-6.eps
• Foot-switch connection cable (PCS-31 or PCS-33)
• Dummy plug
Procedure
1.
Connect a foot switch to the
FOOT SW
jack.
* If you’re using a PCS-31 cable, white is for tip and red is for ring. If you’re
using a PCS-33 cable, the pedal connected to B on the FS-6 is for tip and the
pedal connected to A is for ring. Also check the panel indication on the FS-6.
2.
Make the following settings on the main unit.
• POWER SW:
OFF
• GUITAR CHANNEL CHORUS:
OFF
• MIC/LINE CHANNEL CHORUS: OFF
• ANTI-FEEDBACK SW:
OFF
• All controls:
minimum (
0
)
3.
Insert a dummy plug into the
PHONES
jack.
4.
Hold down the ring section of the foot switch connected to the
FOOT SW
jack and switch on the power.
Immediately after the power is switched on, all LEDs light up.
* Continue to hold down the foot switch.
5.
After all LEDs have lighted up and then flashed once, within 3 seconds,
depress first the ring section and then the tip section of the foot switch.
The
POWER
LED flashes rapidly several times, then flashes to indicate
the software version.
The
POWER
LED lights up in an intermittent pattern that indicates the
software version as shown below.
6.
Switch off the power to the unit.
Test Mode
Items Required
• Foot switch (FS-5U x 2 or FS-6 x 1)
• Foot-switch connection cable (PCS-31 or PCS-33)
• Stereo miniature phone plug x 1
Entering the Test Mode
Carry out steps
1
through
5
of
After verifying the version, depress the ring section of the foot switch
connected to the
FOOT SW
jack to enter the first test item,
Quitting the Test Mode
Switch off the power.
Skipping Test Items
Test items cannot be skipped.
1. DSP/SDRAM Test
When the unit enters the Test Mode, DSP/SDRAM Test starts
automatically.
While testing is in progress, the
POWER
LED goes dark.
If the test is passed (OK)
After approximately 5 seconds, the
POWER
LED lights up, and
execution automatically advances to the next test.
If the test is failed (not OK)
The
POWER
LED flashes rapidly. Execution does not advance to the next
test.
2. Switch Test
Carry out operations in the sequence shown below, and check the status
of the
POWER
LED.
* If an error is made in the order of operations, or of a test is failed, execution
cannot advance to the next test.
o: lights, -: goes off
When all switch testing are completed, the
POWER
LED flash.
Version
POWER LED illumination pattern
1.00
One long and no short
1.01
One long and one short
1.02
One long and two short
1.03
One long and three short
:
:
2.00
Two long and no short
FS-5U
FS-6
No.
Operation
POWER LED
(Initial state)
o
1
Set GUITAR CHANNEL CHORUS to SPACE.
-
2
Set GUITAR CHANNEL CHORUS to WIDE.
o
3
Set MIC/LINE CHANNEL CHORUS to SPACE.
-
4
Set MIC/LINE CHANNEL CHORUS to WIDE.
o
5
Set ANTI-FEEDBACK to ON.
-
6
Disconnect the foot-switch plug.
o
7
Disconnect the stereo miniature phone plug from
PHONES.
-
Summary of Contents for AC-40
Page 4: ...4 Jul 2013 AC 40 Location of Controls fig panel eps 1 2 3 4 3 5 10 11 13 14 12 6 8 7 9 1...
Page 12: ...12 Jul 2013 AC 40 Plane View Fig A fig heimenA eps View A1 View A3 View A2 a a a...
Page 15: ...15 Jul 2013 AC 40...
Page 20: ...20 Jul 2013 AC 40 Wiring Diagram Block Diagram fig block eps L 1 2 8 9 10 11 12 7...
Page 22: ...22 Jul 2013 AC 40 Circuit Board Main Board fig b main1 eps...
Page 23: ...23 Jul 2013 AC 40 fig b main2 eps...
Page 30: ...30 Jul 2013 AC 40 Circuit Board GT Input Panel Jack Mic Input Board fig b panel eps...
