Checking The Version Number; Serial Dump - Roland Boss RC-20XL Service Notes

CHECKING THE VERSION
NUMBER
1.
Completely turn down all volume controls.
2.
Hold down the left pedal (ON/OFF) and right pedal (TAPL/MEMORY)
and connect the +9 V DC plug to the ADAPTOR JACK.
(This turns on the power).
* If no +9 V DC plug is available to connect to the ADAPTOR JACK, the power
can be turned on by placing batteries in the unit and connecting a cable to the
OUTPUT jack.
3.
Only the POWER LED lights up.
4.
Release the left and right pedals.
5.
Press the left and right pedals, in that sequence, within a period of two
second.
6.
The unit enters Test mode, and all LEDs other than the PEAK LED light.
* Failure of all LEDs other than the PEAK LED to light indicates an error. For
more detailed information, refer to the individual test categories in "Test Mode."
7.
Press the right pedal.
The internal ROM version and external FLASH version are indicated by the
LEDs.
Display of the Internal ROM Version
This is indicated by the four LEDs "FLAT AMP SIMULATE," "CENTER
CANCEL," "NORMAL," and "INST & MIC."
LED
Only "FLAT AMP SIMULATE" lit
Only "CENTER CANCEL" lit
Only "NORMAL" lit
Only "INST & MIC" lit
Display of the External FLASH Version
This is indicated by the four LEDs "REVERSE," "TAP TEMPO," "WRITE,"
"EXIT," "AUTO START," "LOOP PHRASE," and "LOOP QUANTIZE."
LED Version
Only "TAP TEMPO" lit Ver1.01
Only "WRITE" lit Ver1.02
Only "EXIT" lit Ver1.03
Only "AUTO START" lit Ver1.04
Only "LOOP PHRASE" lit Ver1.05
Only "LOOP QUANTIZE" lit Ver1.06
SERIAL DUMP(SYSTEM
UPDATE, USERS DATA SAVE
AND LOAD)
The following data can be transmitted and received between two RC-20
units without using any other devices.
1.
Program
The RC-20XL's original external FLASH ROM can be updated by setting the
RC-20XL with the latest version as the transmitting device and the RC-20XL
with the previous version as the receiving device.
2.
Guide sound
The RC-20XL's guide sound can be transmitted and received.
3.
Phrases (1-11)
Any RC-20XL phrase to which the Phrase Select Volume has been saved can be
transmitted and received.
Use this function to save the user's phrases temporarily during repairs.
Procedure
1.
Connect the transmitting RC-20XL and the receiving RC-20XL as follows.
Version
Ver1.00
Ver1.01
Ver1.02
Ver1.03
Connect the REVERSE jack and PHRASE SHIFT jack respectively.
Transmitting RC-20XLReceiving RC-20XL
REVERSE ----------> PHRASE SHIFT
PHRASE SHIFT ----------> REVERSE
2.
Start up the transmitting RC-20XL in Dump mode.
1) While holding down the [TAP TEMPO] and [AUTO START] buttons,turn
on the power of the transmitting RC-20XL.
2) [EXIT] and the [FLAT AMP SIMULATE] and [REC] [PLAY] [OVERDUB]
indicators will light.
3.
Start up the receiving RC-20XL in Update mode.
1) Turn the [LEVEL] knob and [GUIDE] knob all the way to the left.
2) Set the [PHRASE SELECT] knob to 1.
3) While holding down the [REVERSE] and [MODE] buttons, turn on the
power of the receiving RC-20XL.
4) Within three seconds of turning on the power, press the [REVERSE] button
and then the [MODE] button.
[WRITE] and the [FLAT AMP SIMULATE] and [REC] [PLAY] [OVERDUB]
indicators will light.
* In Dump mode the [EXIT] indicator will light, but in Update mode the
[WRITE] indicator will light.
4.
Select the data that you want to send from the transmitting RC-20XL
1)Press the [TAP TEMPO] button to select the data that you want to send.
The type of data being transmitted is indicated by the [TAP TEMPO] LED.
[TAP TEMPO] Transmitting data
Dark Program, Guide sound, All phrases
Green Specified phrase
Red Guide sound
Orange Program
2)If the [TAP TEMPO] indicator is green, use the [PHRASE SELECT]
knob to select the phrase that will be transmitted.
5.
Transmit the data from the transmitting RC-20XL.
Transmission will begin when you press the left pedal of the transmitting RC-
20XL.
During transmission, the "CENTER CANCEL" [MODE] indicator lights for
both devices.
Transmission and reception are completed when the [MODE] indicator stops
at "FLAT AMP SIMULATE" on both the transmitting and receiving RC-20XL.
When the [TAP TEMPO] indicator goes off, the [MODE] indicator on the
transmitting device stops at "FLAT AMP SIMULATE," and the [MODE]
indicator on the receiving device stops at "INST&MIC."
State of the transmitting RC-20XL
"FLAT AMP SIMULATE" Waiting to transmit
* The RC-20XL will briefly be in this state between data items.
* Since the guide sound data is divided into two parts, the RC-20XL will briefly be
in this state even when transmitting only the guide sound data.
"CENTER CANCEL" Now transmitting
"NORMAL" No data for transmission
State of the receiving RC-20XL
"FLAT AMP SIMULATE" Waiting for reception
* The RC-20XL will briefly be in this state between data items.
* Since the guide sound data is divided into two parts, the RC-20XL will
briefly be in this state even when receiving only the guide sound data.
"CENTER CANCEL" Now receiving
"NORMAL" Error
* An error will also occur if memory becomes full.
With the factory settings, transmitting the program, guide sound, and all
phrases will require approximately 2 minutes.
Never turn off the power until transmission/reception has been completed.
6.
Repeat steps 4. - 5. as necessary.
7.
Turn off the power when you are finished.
RC-20XL
13