Test Program List - Yamaha Clavinova CVP-405 Service Manual

CVP-405/CVP-405PE/CVP-405PM
3

Test program list

Test No. LCD display
001 : Version
1
002 : ROM Check1
2
003 : RAM Check1
3
4 004 : Flash Check1
005 : Wave ROM Check1 Checks Wave ROMs (DM: IC313, 314) (simplifi ed check).
5
006 : Effect RAM Check1 Checks Effect RAM (DM: IC304) (simplifi ed check).
6
007 : TG 1 Check
7
10 010 : Pitch Check
011 : Output R Check
11
70
Test descriptions, judging conditions, etc.
Displays model name, designated country information and each ROM version (*.**).
Model Name : CVP-405 (E)
Main Program : *.**
Sub Program : *.**
BitMap : *.**
Contents1 : *.**
Contents2 : *.**
Wave1 : *.**
Checks ROM (simplifi ed check). Check ROMs (DM: IC15, 16, 315) connected to CPU
bus. Confi rm that "ROM Check1 OK" is displayed on LCD.
If the result is unaccepatable.
Main Program NG
TG Program NG
Contents1 NG
Contents2 NG
LCD Patch1 NG
LCD BitMap NG
JFONT NG
WNN NG
Checks RAM (simplifi ed check). Check RAMs (DM: IC13, 14, 312) connected to CPU
bus. Confi rm that "RAM Check1 OK" is displayed on LCD.
If the result is unacceptable, "Main Program RAM NG" is displayed on LCD.
Checks fl ash memory (simplifi ed check).
Check fl ash memory (DM: IC22) connected to CPU bus.
Confi rm that "Flash Check1 OK" is displayed on LCD.
It will take about 10 seconds before the test is over.
If the result is unacceptable, "Flash Check1 NG" is displayed on LCD.
Confi rm that "Wave ROM Check1 OK" is displayed on LCD.
If the result is unacceptable, "Wave ROM Check1 NG" is displayed on LCD.
Confi rm that "Effect RAM Check1 OK" is displayed on LCD.
If the result is unacceptable, "Effect RAM Check1 TG1 NG" is displayed on LCD.
Checks sound source 1. DM circuit board and SWP51 (IC302) are checked while
sound is produced. Check sound source and sound production by producing sound
from the low range of keyboard that can produce sound while switching sequentially the
sound producing channels of the sound source with the default tone as a sine wave.
Check the voice sound by hearing that there is not unusual noise or abnormal sound.
Sound production stops as the check for the number of sound producing channels is
over. Sound producing keyboard range includes 32 sounds from C2 to G4. The number
of sounds produced is 64.
"TG 1 Check End" will appear when the check is over.
Checks Pitch.
Pitch Accuracy Check: Connect the frequency counter to L or R of [PHONE] jack.
Sound is produced with 441.4±0.2Hz sine wave at a specifi ed level, PAN=center.
Sound production stops when returning to selection screen with the [START/STOP]
button.
Checks Output Level R.
Sound is produced with the sine wave of about 1046 Hz (C5) at a specified level,
PAN=R. Check if sound is produced at the specifi ed level.
Connect the level meter (with a JIS-C fi lter) to each jack (PHONES L, R, AUX OUT
L/L+R, R)
With [MASTER VOLUME] at the maximum, check the R channel output level. (about
1046Hz sine wave, PAN=R) (PHONES L, R: 33 ohms load
ohms load)
· PHONES L: -36.5dBu or less
· AUX OUT L: -50.0dBu or less
• If the sound source ROM is unacceptable
"Sub Program ROM1 NG"
• If the sound source cannot be recognized
"Sub Program ROM1 No Cord"
• If the Main ROM Write pin check is unsatisfactory
"Main ROM WR Pin NG"
AUX OUT L/L+R, R: 10k
PHONES R: +3.5dBu
AUX OUT R: +10.0dBu