Vox Tonelab ST Service Manual

Tone Lab ST TEST MODE
1st Release Feb., 12 2009 murakita
1. EXP PEDAL TEST
[How to start]
Set the AMP/LINE switch to [F], pressing the [TAP] and [CABINET] turn the power on.
Press the [UP] switch.
Step on and move the pedal, when the pedal is up “00” is displayed in the 8 segments LED,
when the pedal is down position, “7F” is displayed, this is OK.
When the pedal is up position, “00” is not displayed in the 8 segments LED,
When the pedal is down position, “7F” is not displayed, and then you need do following calibration.
2. EXP PEDAL CALIBRATION
[How to start]
Pressing the [EXIT/TUNE] and the [EXT PARAM] switch, turn the power on.
[How to adjust]
Move the pedal adding weight (25kg) to the down position, move the pedal using hand to the up position
until the pedal stops.
Move the pedal without adding weight to the down position until the pedal stops.
Press the [WRITE] switch.
Turn the power off.
Do the pedal test again.
3. TUBE SEND LEVELADJUST
After changed tube, do following adjustment.
[How to start]
Set the [AMP/LINE] switch to the [F], set the AMPselector to the [CLEAN].
Pressing the [TAP] and the [EXIT/TUNE] switch, turn the power on.
Confirm that “1” is displayed in the 8 segments LED and other LEDs are turned off.
[Adjustment]
Set the AMP selector to [US BLUES].
Input the sine signal of 1kHz +5dBm(1.378Vrms) to INPUTjack.
Wait till the tube becomes warm (1minutes).
From the lower case, rotate the trimmer volume so that only the green TUNER LED is lighting.
(From the hole of the lowercase, rotate the trimmer volume using a driver.)
When only the green TUNER LED is lighting, the adjustment has completed.
Turn the power off.

Vox Tonelab ST Specifications

General

USB	No
MIDI	No
Power Supply	DC 9V
Effect Types	33
Amp Models	11
Inputs	1 x Instrument
Expression Pedal	Built-in
Outputs	1/4" line/headphone jack, 1/4" amp/line out jack