34
CLP-120
No.
7 segment. LED
Test Function and Judgment criteria
1
(01
: Version
Checks ROM version.
‘
P
x.x
’ ‘
U
x.x
..
’
Make sure that the 7-seg.LED alternately indicates ‘
P
x.x
’ (version of the pro-
gram) and ‘
U
x.x
’ (version of the wave).
2
(02
: ROM Check 1
ROM Check
PAS
All ROMs on the CPU bus are checked.
If the result is OK, 7segment LED indicates ‘
PAS
’
3
(03
: RAM Check 1
RAM Check
PAS
All RAMs on the CPU bus are checked.
If the result is OK, 7segment LED indicates ‘
PAS
’
4
(04
: Wave ROM Check1
Wave ROM Check
PAS
If the result is OK, 7segment LED indicates ‘
PAS
’
11
(11
: TG1 Check
Tone Generator 1 Check
(G1
The sine waves automatically sounds from F3 to C6 in sequence.
12
(12
: TG2 Check
Tone Generator 2 Check
(G2
The sine waves automatically sounds from F3 to C6 in sequence.
13
(13
: Pitch Check
Pitch Check
PI(
Confirm that the sine wave of 440.0
±
0.2 Hz is output.
14
(14
: OUTPUT R
OUTPUT R Check (1kHz)
OP(
Confirm that the output level of each terminal is as follows. (Unit dBm)
FIXED AUX OUT/L
less than R - 50
FIXED AUX OUT/R
+5.2
AUX OUT L
less than R - 50
AUX OUT R
+5.2
PHONES L
less than R - 40
PHONES R
-3.0
15
(15
: OUTPUT L
OUTPUT L Check (1kHz)
OPL
Confirm that the output level of each terminal is as follows. (Unit dBm)
FIXED AUX OUT/L
+5.2
FIXED AUX OUT/R
less than L - 50
AUX OUT L
+5.2
AUX OUT R
less than L - 50
PHONES L
-3.0
PHONES R
less than L - 40
16
(16
: EQ Low
EQ Low Check (for factory test only)
EqL
17
(17
: EQ Mid
EQ Mid Check (for factory test only)
Eqm
18
(18
: EQ High
EQ High Check (for factory test only)
EqH
19
(19
: D/A Noise
D/A Noise Check
dA
Play any key with the damper pedal pressed and held, and confirm that no D/A
noise is generated.
20
(20
: SW, LED Check
Switch, LED Check
PAS
Making reference to the Table 2 (see p. 39), press the switch corresponding to
the number indicated on the 7segment LED.
Table 1 Test Items
