No. 52024
V-21F3
V-21FR3
V-21FMG3B
14
REPLACEMENT OF IC301 (IF V/C DECODER)
" For the I C301(I F V/C DECODER) of this model, all data are written in the micr o-computer. So, wri te the data in the micro-
computer in accordance with the following procedures before starting adjustment.
PROCEDURES
(1) Tur n t he POWE R O FF.
(2) Replace t he IC30 1 with a n ew o ne .
(3) While pressing MENU bu tto n a nd VO L+ bu tto n ON the FRO NT CABINE T s imult ane ous ly, t urn th e POW ER O N. Wh en the POW ER is
turned ON, th e dat a is writ ten in the micro-co mputer immediately.
LOCATIONS OF FRONT PANEL BUTTONS AND LAM PS
MENU buttons
CHANNEL -/+buttons
(ME NU -/+buttons)
VOLUME
-
/
+
buttons
(MENU
-
/
+
bu tto ns)
AI ECO sensor
REMOTE CONTROL sensor
ON TIMER lamp
POWER lamp
MAIN POW ER button
1
2
3
4
5
6
7
8
1 2 3 4 5
6
7 8