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RM-AV2100B
2. S-RAM (Learning Function) Operation Check
Connection Method :
Regulated power supply
(+6V constant voltage output)
set
1) While pressing the VOLUME – key and the CHANNEL–
key, ture ON the main power of the regulated power supply
(DC +6V). (Refer to Fig. 2-1.)
2) When LEARN and 1 of the LCD display appear, remove
hands from pressing the above mentioned keys. (Refer to Fig.
2-2.)
3) The display
appears when the S-RAM is not defective. (The
diaplay NG appears when the S-RAM is defective.) (Refer to
Fig. 2-2.)
4) The display status as descrived in step 3) continues until any
key is pressed.
•
S-RAM (IC3) is diagnosed to be free from defects when the
above steps from 1) to 4) are performed correctly.
LEARN
(NG)
6
+
–
NG
CHANNEL
While pressing both keys at the same time;
LEARN
1
(OK)
Fig. 2-2
CHANNEL–
VOLUME–
VOLUME
Turn ON the
regulated power supply
(DC +6V)
Fig. 2-1
After a while
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