Yamaha CP33 Service Manual page 30

CP33
Test No. 7-seg. LED for Each Test
43 Selected screen
Test in progress
When OK
When NG
Check completed
44 Selected screen
Test in progress
When OK
When NG
Check completed
45 Selected screen
Test in progress
When OK
When NG
Check completed
47 Selected screen
Test in progress
When OK
When NG
Check completed
49 Selected screen
Test in progress
When OK
When NG
Check completed
50 Selected screen
30
Master ROM check 2
(43
For factory test use only.
-43
It takes about 30 seconds before checking is completed.
pAs
nG
(. 4 . 3 .
Slave ROM check 2
(44
For factory test use only.
-44
It takes about 50 seconds before checking is completed.
pAs
nG
(. 4 . 4 .
RAM check 2
(45
For factory test use only.
-45
pAs
nG
(. 4 . 5 .
Flash ROM check 2
(47
For factory test use only.
-47
* Executing this test will erase all the data in FLASH ROM.
pAs
Be sure to back up the data before testing.
nG
(. 4 . 7 . It takes about 30 seconds before checking is completed.
Factory setting
(49
When the test is executed all the back-up area is initialized and the set to the data used when
FAC
shipped from the factory. Check that the 7-seg. LED displays "
PAs
It takes about 5 seconds before checking is completed.
nG
Execute Test 50 after this test is completed.
(. 4 . 9 .
Ending the test
(50
When this is executed, the test program is terminated and then restarted (returns to the normal
mode).
The 7-seg. LED displays "
About 10 seconds after that, the 7-seg. LED displays "
is completed.
Do not turn off the power during this process.
Test Functions and Judgment Criteria
120 dCL
" and " " about 5 seconds later.
PAs
".
120
" again and the factory presetting