Test Program & Initialize - Yamaha RM1x Service Manual

TEST PROGRAM & INITIALIZE
1.TEST PROGRAM
PREPARATIONS
Measuring instruments:
Jigs:
TEST PROGRAM
TEST No.
A How to enter the test program
B Proceeding through the tests
C Test program
C- 1 SYSTEM RAM
C- 2 RAM Battery
C- 3 LCD
C- 4 LED light up
C- 5 Panel switch
C- 6 Encoder 1
C- 7 Encoder 2
C- 8 Encoder 3
C- 9 Encoder 4
C-10 Knob 1
C-11 Knob 2
C-12 Knob 3
C-13 Knob 4
C-14 Knob 5
C-15 Knob 6
C-16 Knob 7
C-17 Knob 8
C-18 FOOT SW
C-19 FDD
C-20 MIDI IN / OUT
C-21 W AVE ROM
C-22 PCM sine wave sound OUTPUT (L)
C-23 PCM sine wave sound OUTPUT (R)
C-24 Factory Set
C-25 EXIT
*Note) OUTPUT (L) and OUTPUT (R) are occasionally abbreviated as L and R.
low frequency oscillator, frequency counter, oscilloscope,
volt meter (JIS- C curve), keyboard amplifier, etc.
MIDI cable, floppy disk (2HD, form atted), etc.
TEST TEST RESULT
OK / NG
OK
Vertical Stripes (by seconds)
Red, green
ON / OFF
OK, 0-30-0-30
OK, 0-30-0-30
OK, 0-30-0-30
OK, 0-30-0-30
OK, 64-128-0-64
OK, 64-128-0-64
OK, 64-128-0-64
OK, 64-128-0-64
OK, 64-128-0-64
OK, 64-128-0-64
OK, 64-128-0-64
OK, 64-128-0-64
OK, 0-1-0
OK
OK
OK
OUTPUT (L):
+2 +/- 2 dBm load 10 kohm
OUTPUT (R ): less than -76 dBm
PHONES (L): -5 +/- 2 dBm load 33 ohm
PHONES (R ): less than -68 dBm
OUTPUT (R ): +2 +/- 2 dBm load 10 kohm
OUTPUT (L): less than -76 dBm
PHONES (R ): -5 +/- 2 dBm load 33 ohm
PHONES (L): less than -68 dBm
* Noise level
OUTPUT (L), OUTPUT (R):
less than -78 dBm
PHONES (L), PHONES (R):
less than -78 dBm
RM1x
25