Korg wavestation Service Manual page 36

RESULT
OF
CHECK
00
:
INTERNAL RAM CHECK
»
STEP
1
RESULT
NO.
RESULT
RAM
NO.
ram pattern
00
PASS
01
FAIL
RAM
1 (
IC24
)
RAMP1
(
00
)
02
FAIL RAM
2
(
IC25
)
RAMP1
(
00
)
03
FAIL RAM
3
(
IC22
)
RAMP1
(
00
)
04 FAIL RAM
4
(
IC23
)
RAMP1
(
00
)
11
FAIL RAM
1
(
IC24
)
RAMP2
(
55
)
12
FAIL RAM
2
(
IC25
)
RAMP2
(
55
)
13
FAIL RAM
3
(
IC22
)
RAMP2
(
55
)
14
FAIL
RAM
4
(
IC23
)
RAMP2
(
55
)
21
FAIL RAM
1
(
IC24
)
RAMP3
(
AA
)
22 FAIL.
RAM
2
(
IC25
)
RAMP3
(
AA
)
23
FAIL
RAM
3
(
IC22
)
RAMP3
(
AA
)
24
FAIL
RAM
4
(
1C23
)
RAMP3
(
AA
)
31 FAIL RAM
1
(
IC24
)
RAMP4
(
FF
)
32
FAIL
RAM
2
(
IC25
)
RAMP4
(
FF
)
33 FAIL RAM
3
(
IC22
)
RAMP4
(
FF
)
34 FAIL
RAM
4
(
IC23
>
RAMP4
(
FF
)
04
:
RAM CARD CHECK
»
STEP
1
RESULT
NO.
RESULT
RAM PATTERN
00
"
PASS
01 FAIL
RAMP1
<
{
oo
:
>
11
FAIL
RAMP2
i
t
55
:
>
21 FAIL
RAMP3
<
(
aa
:
>
31
FAIL
RAMP4
<
(
ff
:
>
01
:
LSI INTERFACE CHECK
»
STEP
1 (
LCD
)
RESULT
NO.
00
01
02
RESULT
PASS
FAIL
(
FAIL
(
Time
Out
)
Verify
)
STEP
2
(
MDE
)
RESULT
NO.
00
01
02
RESULT
PASS
FAIL
(
FAIL
(
Time
Out
)
Verify
)
RAMP
:
This points out the writing pattern to
RAM.
At INTERNAL RAM
& RAM CARD CHECK
4
kinds of patterns are written
into RAM and these checks are carried
out.
38