Service manual

NOTE FOR THE REPLACING OF MEMORY IC
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 or alternatively, discharge backup capacitor.
C4-1
5C 1E 07 81 EA 80 15 07 C4 81
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9
+A
+B +C +D +E +FINI
A6 63 65 66 41 1E 3B 2A 17
77 63 64 65 64 0A 40 F5 76 A0
5F 05 F0 05 F3 EF 90 6C 38 21
BF 1B B5 C3 43 7D 8B 8B 0C
1A F1 67 6F 18 4100
10
05
1D 1B 3A 0F 4B 20
20 59 5F 05 F0 00 F0
30 15 28 A0 C4 20 08
40 10 3A 60 47 03 06 15
20 24 26 28 2A 2C 2E 30 32
40 42 44 46 49 4C 4F 52 55 58
6D 70 73 76 79 7C 7F 82 85 88
A5 AA AF B4 B9 BE C3 C8
50
22
34 36 38 3A 3C 3E
60 5B 5E 61 64 67 6A
70 8B 8E 91 94 97 9A
80 A0 CD D2 D9 E1 F0 FF
9D
3.
4.
5.
6.
7.
8.
The unit will now have the correct DATA for the new MEMORY IC.
Table 1
1.
2.
Fig. 1
INIT 00 83
0010
0003
POWER ON
PLAY/REC
ADDRESS DATA
Enter DATA SET mode by setting VOLUME to minimum.
While holding down VOLUME button on front cabinet, press key 6 on remote control for more than 2 seconds.
ADDRESS and DATA should appear as FIG 1.
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.
Press ENTER to select DATA. When DATA is selected, it will "blink".
Again, step through the DATA using PLAY or STOP button until required DATA value has been selected.
Pressing ENTER will take you back to ADDRESS for further selection if necessary.
Repeat steps 3 to 6 until all data has been checked.
When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.