Roland RS-70 Service Notes page 15

Test items
The RS-70 has the following tests.
For details on each test item, refer to the corresponding section.
0 :Test Mode Top Page
1 :SHOCK Test
2 :MEMORY Test
3 :MIDI Test
4 :SOUND Test
5 :LCD Test
6 :A/D Test 1 (Bender, Modulation)
7 :A/D Test 2 (Control Knob)
8 :A/D Test 3 (Hold Pedal, Expression Pedal)
9 :D BEAM ADJUSTMENT
10:D BEAM Test
11:USB Test
12:DISK Test
13:SWITCH&LED Test
14:KEYBOARD Test
15:NOISE Test
16:DESTINATION Set
17:Factory Reset
Please note before you begin the
tests
• Even if you enter Test mode, the user data will not be lost until you
execute "17.Factory Reset." Save the user data to disk beforehand only if
you will be executing "17.Factory Reset." (See "Saving and loading
data")
• Some of the test items output a tone for confirmation. Please connect
headphones and monitor speakers before you begin.
Entering Test mode
While holding down the [DESTINATION TONE] button + [ENV or
BALANCE/LFO] button + [TAP TEMPO] button (three buttons), turn on the
power of the RS-70. The top page of Test mode will appear. (Continue holding
down the buttons until the top page appears.)
Exiting Test mode
In "0 Test Mode Top Page," press [SHIFT] button + [EXIT] button.
Moving to the next test item
Press [SHIFT] button + [PAGE/CURSOR < ] button to move to the preceding
test, or [SHIFT] button + [PAGE/CURSOR > ] button to move to the next test.
Details of Test mode
0. Test Mode Top page
Test Mode-01.eps
RS-70 PD Test
CPU:1.00
• Check the ROM version. If the version is not appropriate, update the
firmware. (Refer to "Updating the system.")
• Check the export destination ([US] or [EUR]). If the destination is not
appropriate, use "16 DESTINATION Set" to change it.
• Verify that the LCD backlight is lit consistently. If it is not lit correctly,
check the following locations.
MAIN BOARD L52,CN5
RS-70 PWB PANEL L ASSY
[US]
ROM:1.00
R55,R57,R61,R63,R65,LED45,LED47,LED49,LED51,LED53,CN7
BNCD-P=1.25-K-20-140
• Press the [ENTER] button to start Test mode.
1. SHOCK Test
SHOCK Test.eps
SHOCK Test:
Mute:--
• Demo playback will begin. Verify that the VOLUME is not scratchy, etc.
• Verify that the audio output is muted while you hold down the [TAP
TEMPO] button. (The display changes from "Mute: --" to "Mute: OK")
• Press the [ENTER] button to proceed to the next test.
2. MEMORY Test
(MEMORY Test 1)
MEMORY Test 1.eps
MEMORY Test 1:
CPU:OK ROM:OK
• This test checks the CPU and the flash ROM (program memory).
• If there are no problems, the display will indicate OK and you will
automatically proceed to MEMORY Test 2.
• If NG, check the following locations.
CPU NG :MAIN BOARD IC7,IC401,X1
ROM NG :MAIN BOARD IC2
Press [SHIFT] button + [ENTER] button to proceed to the next test.
(MEMORY Test 2)
MEMORY Test 2.eps
MEMORY Test 2:
DRAM:OK
• This test checks the DRAM and EEPROM.
• If there are no problems, the display will indicate OK and you will
automatically proceed to MEMORY Test 3.
• If NG, check the following locations.
DRAM NG :MAIN BOARD IC10
EEPROM NG :MAIN BOARD IC16,R24,R25
Press [SHIFT] button + [ENTER] button to proceed to Memory Test 3.
(MEMORY Test 3)
MEMORY Test 3.eps
MEMORY Test 3:
WAVE:OK
• This test checks the WAVE ROM and DSP.
• If there are no problems, the display will indicate OK and you will
automatically proceed to the next test.
• If NG, check the following locations.
WAVE NG :MAIN BOARD IC20,IC21
DSP NG :MAIN BOARD IC24,IC30
Press [SHIFT] button + [ENTER] enter to proceed to the next test.
3. MIDI Test
MIDI Test.eps
MIDI Test:
• Use a MIDI cable to connect MIDI IN and MIDI OUT. If the connection is
correct, the display will indicate OK and you will automatically proceed
to the next test.
RS-70
EEPROM:OK
DSP:OK
Connect:--
15