PSR-E433/PSR-I455
32
•
Other Tests
Popping Noise Check
Connect the oscilloscope to the L/R of the [PHONES/OUTPUT] jack and turn on and then off the [STANDBY/ON] switch. Make
sure that popping noise level is 1.0 Vp-p or less, and that no abnormal sound or popping noise is output from the speakers.
Noise Level Check
Connect the level meter (with JIS-C fi lter) to the L/R of the [PHONES/OUTPUT] jack. (33
Ω
load)
Set the [MASTER VOLUME] to the maximum level and check the noise level.
· PHONES L, R: –72 dBu or less
TEST No
LCD display
Test descriptions, judging conditions, etc.
54
Rom Chk2
054
Checks the ROM connected to the CPU bus.
Make sure that “
Rom OK
” is displayed on the LCD.
It will take about 25 seconds for the check.
55
Ram Chk2
055
Checks the RAM connected to the CPU bus.
Make sure that “
Ram OK
” is displayed on the LCD.
56
FRomChk2
056
Checks the FROM connected to the CPU bus.
Make sure that “
FRom OK
” is displayed on the LCD.
It will take about 100 seconds for the check.
59
Factory
059
Initializes the entire backup area to reset to the factory default.
“
Fact
” is displayed on the LCD during the test.
“
Fact End
” is displayed on the LCD when the test is fi nished.
60
TestExit
060
This will leave the test program and change to the play mode.
Switch test item list (PSR-E433, PSR-I455)
Turn
PSR-E433
PSR-I455
Note Number
SW Name
LCD Display
SW Name
LCD Display
1
DIAL UP
Dial Up
DIAL UP
Dial Up
C2
2
DIAL DOWN
Dial Dwn
DIAL DOWN
Dial Dwn
C#2
3
DEMO
Demo
DEMO
Demo
D2
4
LESSON
Lesson
LESSON
Lesson
D#2
5
SONG REC
Song REC
SONG REC
Song REC
E2
6
METRONOME
Metro
METRONOME
Metro
F2
7
TAP
TAP
TAP
TAP
F#2
8
TEMPO –
Tempo –
TEMPO –
Tempo –
G2
9
TEMPO +
Tempo +
TEMPO +
Tempo +
G#2
10
PORTABLE GRAND
Piano
PORTABLE GRAND
Piano
A2
11
SPLIT
Split
SPLIT
Split
A#2
12
DUAL
Dual
DUAL
Dual
B2
13
HARMONY
Harmony
HARMONY
Harmony
C3