TCL CTR1042

Colour Television Chassis: M123A
40
Is there any change on
the voltage level at
P64 of IC201?
No
Check the remote control
receiver and transmitter.
Ye s
Is the VDD(+5V) at
P9 and P55 of IC201
ok?
Is there the 8MHz/5Vp-p
sine wave oscillations at P6
of IC201?
Is the voltage at P5 of
I
C
2
0
1
o
k
?
Have P5 of IC201 shorted to
GND in an instant. Can the
IC201 work?
Check/Repair the reset
circuit.
Ye s
Ye s
Ye s
No
Check/Replace
IC201
No
No
Are C021, C022
and X001 ok?
No
Replace the disabled
components
Ye s
No
Check Q002 and
peripheral circuit
ķ
Ye s