Note For The Replacing Of Memory Ic; Note For The Replacing Of Chroma Ic - Orion MD17 Service Manual

Color television/video cassette recorder
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If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to
ensure correct data settings while making reference to TABLE 1.
NOTE: Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and allow
at least 30 minutes before Power On.
+0
INI
00
00
10
00
20
23
30
04
40
2D
Enter DATA SET mode by setting VOLUME to minimum.
1.
While holding down VOLUME button on front cabinet, press key 6 on remote control simultaneously.
2.
ADDRESS and DATA should appear as FIG 1.
3.
ADDRESS is now selected and should "blink". Using the PLAY or STOP button on the remote, step through the
ADDRESS until required ADDRESS to be changed is reached.
4.
Press ENTER to select DATA. When DATA is selected, it will "blink".
5.
Again, step through the DATA using PLAY or STOP button until required DATA value has been selected.
6.
Pressing ENTER will take you back to ADDRESS for further selection if necessary.
7.
Repeat steps 3 to 6 until all data has been checked.
8.
When satisfied correct DATA has been entered.
9.
While holding down VOLUME button on front cabinet, press key 2 on the remote control for more than 2 seconds.
10.
Perform the "VCO (MONITOR TUNER)" adjustment of ELECTRICAL ADJUSTMENT.
The unit will now have the correct DATA for the new MEMORY IC.
In case of replacing CHROMA IC, perform the following steps.
1.
While holding down VOLUME button on front cabinet, press key 2 on the remote control for more than 2 seconds.
2.
Perform the "VCO (MONITOR TUNER)" adjustment of ELECTRICAL ADJUSTMENT.

NOTE FOR THE REPLACING OF MEMORY IC

+1
+2
+3
+4
+5
A3
02
74
*
00
2B
00
00
00
0A
42
20
11
F0
5F
04
20
1E
00
00
C0
00
45
08
38

NOTE FOR THE REPLACING OF CHROMA IC

+A
+6
+7
+8
+9
0A
*
*
*
02
35
01
8F
3F
00
34
31
F0
03
00
00
00
00
21
47
F3
65
66
68
Table 1
ADDRESS
DATA
INIT
00
83
0010
POWER ON
0003
PLAY/REC
Fig. 1
C4-1
+B
+C
+D
+E
*
02
20
00
08
13
01
24
21
02
00
01
06
C0
6C
2B
21
04
34
C2
00
+F
25
F0
01
15
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