Table of Contents
Advertisement
An only horizontal line appears
Is the voltage DC 25V for
IC401 6th pin or not?
YES
Is the voltage DC 12V for
IC401 2nd pin or not?
YES
Whether does a vertical
signal appear for IC602
46th pin or not?
OSD screen doesn't appear
The wave form of the
17nd pin, the 18rd pin, the
19th pin, and also the 16th
pin of IC1003 normal?
YES
The wave form of the 10th
pin, 11th pin and 12th pin
of IC602 normal?
TROUBLESHOOTING GUIDE
NO
NO
NO
NO
NO
E-6
Investigate C429,D411 and
R452.
Investigate CRT, IC401 and a
peripheral circuit.
Investigate IC602.
The wave form of the 21st pin
and the 22nd pin of IC1006 is
investigated.
Q1014 and also Q1015 are
investigated.
Investigate the circuit of IC602
from IC1006.
Advertisement
Table of Contents
