Stihl BT 131 - Page 43

VIDEOCON INDUSTRIES LTD. V59-CTYPE
The information in the specification is subject to change without notice
24
6) Function Trouble (ATV)
OK
No channel be find
Check the RF cable for RF signal
NG
OK
Repair external RF equipment
Check the voltage (3_3V_TUN)
on
N1
NG
Repair the power net to this
pin.
Check R7 & R8 for I
2
C data
Check IF_AGC voltage(0
∽
2.2V)
Repair I
2
C net
Repair AGC net.
Check the R2 & R5 for IF NET.
OK
OK
NG
Check the Software
Repair I
F
net
NG
Change N
1
OK
U
pdate
the Software
NG