Samsung CXJ1331/TUCX Service Manual page 32

Troubleshooting
6-2 No Picture or Raster
Abnormal
Check/Replace
TU01, IC201.
Abnormal
Check IC901
Pin 14
Abnormal
Check T444 B + (125V)
6-2
All manuals and user guides at all-guides.com
Check the
Abnormal
voltage of IC201 pin 5
(Normal : 5V)
Normal
Check/Replace L205
Abnormal
Check the voltage
of tuner
Abnormal
Check/Replace
IC202
Normal
Check the voltage
of tuner
Abnormal
Check/Replace
tuner
Abnormal
Check the coil voltage
of Q804
Abnormal
Check the voltage
of Tuner
Abnormal
Check the voltage
of Tuner
Check
the voltage of IC202, IC201,
TU01,VDD
Normal
Check the output
of IC201 Pin 47, Pin 9
Normal
Check
the signal input
of IC202 Pin 1
Normal
Check
the signal output
to IC202 Pin 6
Normal
Check
Abnormal
the signal output to
IC201 Pin 41
Normal
Check the signal
output to IC201 Pin 41
Normal
Check
Abnormal
the signal input to
IC200 Pin 19,20,21
Normal
Check
the voltages of CRT Drive
(180V, 9V)
Normal
Normal
Check the signal
input to CRT cathode
Abnormal
Check the main power
Abnormal
Check the voltage
of IC201 Pin 44
Normal : 2.5V
Check C239
Abnormal
Check
the signal input
of IC201 Pin 37
Normal
Check/Replace
IC201.
Check the voltage
IC200 Pin 29
Abnormal
Check/Replace
F/S circuit
Check/Replace
CRT
Samsung Electronics