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No. 52027
AV-21Q3
AV-21QMG3
AV-2115EE
12
REPLACEMENT OF IC301 (IF V/C DECODER)
"
For the IC301(IF V/C DECODER) of this model, all data are written in the micro-computer. So, write the data in the micro-
computer (EP-ROM : memory IC) in accordance with the following procedures before starting adjustment.
PROCEDURES
(1)
Turn the POWER OFF.
(2)
Replace the IC301 with a new one.
(3)
While pressing MENU button and VOLUME -/+ button ON the FRONT CABINET simultaneously, turn the POWER ON. When the
POWER is turned ON, the data is written in the micro-computer (EP-ROM : memory IC) immediately.
LOCATIONS OF FRONT PANEL BUTTONS AND LAMPS
MENU buttons
CHANNEL
・
/
・
buttons
(MENU
・
/
・
buttons)
VOLUME
-
/
+
buttons
(MENU
-
/
+
buttons)
AI ECO sensor
REMOTE CONTROL sensor
ON TIMER lamp
POWER lamp
MAIN POWER button
MENU buttons
CHANNEL
-
/
+
buttons
(MENU
-
/
+
buttons)
VOLUME
-
/
+
buttons
(MENU
-
/
+
buttons)
AI ECO sensor
REMOTE CONTROL sensor
ON TIMER lamp
POWER lamp
MAIN POWER button
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8