Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung TV CS29K3N chassis KS3A 20030527162455718_KS3A(5-50H)TSHOO-9
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Plug in Power Cord
ON Check OFF
Samsung Electronics
LED lamp
5-1 No Power
Abnormal Check Normal Check
MICOM IIC #5, #6 IC901 MICOM
Input Voltage Normal
5. Troubleshooting
Abnormal
Check and Replace
Check the MICOM
Level Shifter Q909, Q910 Check Check Normal
Output(If 2N7000 Output has the DC Normal Abnormal IC903 3.3V Regulator Check and Replace
the MICOM Power #59
Component over 0.7V, it is broken) With Remote Controller Input Voltage IC903
Normal Abnormal Normal Replace Abnormal
the MICOM
Check Check Abnormal Replace
Abnormal Replace Check Abnormal D801 and D811
MICOM Replace Q908 D801 or D811
IIC #2, #3 Q909, Q910 Q908
Normal
Normal Normal
Check Check Normal
Replace Abnormal IC804 Input Voltage Check and Replace
IC902 EEPROM EEPROM(IC902) Check Replace IC804
IC802, IC803 IC802, IC803
Normal Abnormal
Normal
Check Normal Check and Replace
Check IC201S Check Abnormal R828 and D805
Replace R828 or D805
IC201S VDP
H-OUT #50 IC201S
Abnormal
Normal
Check
IC801S and FP801S
Check Abnormal Replace
Q401 H-TR Q401
Normal
Check Abnormal Check
135V Line PC801S, IC801S
Normal
Replace
FBT
Note : When you check whether any component is normal, you must let the output pin be open in order not to be affected by the side of output.
5-1
Troubleshooting
5-2
Troubleshooting
5-2 No Picture
No Picture, but sound is
in normal operation
Turn the VR of FBT, higher screen
Normal voltage and Check the Deflection Abnormal
is in Normal Operation
(If the deflection is in operation,
flyback signal is appeared)
Normal Check Abnormal Normal Check Abnormal
CRT PCB RK, BK, GK IC201S #31
Check Abnormal Check Abnormal
HIC202, HIC203, Abnormal Abnormal
Heater Voltage Check 8V Check DZ202
HIC204 Output
Normal Check Abnormal Normal Normal
Check CRT and FBT IC201S #63 Check Replace
or #59 IC803 DZ202
Check CRT and FBT Normal
Normal
Check Replace
Replace IC201S IC301 IC201S
Check
200V, 16.5V Line Check
Tuner CVBS Output
Samsung Electronics
Troubleshooting
5-3 No Sound
No Sound, but Picture is
in normal operation
Normal Check the CN602 Abnormal
Connection and Signal
Check the Speaker Normal Check Abnormal
Wire Connection 14V Line
Check Check
IC602 #7 Abnormal FA803S
(If the pin is in low state,
Sound is mute)
Normal
Check
D816, Q906
Check Abnormal
IC601 #24, #25
Normal
Replace
IC602
Check
IC601 Input Abnormal
Voltages (5V,8V)
Normal
Check
the coils around IC601
Check Abnormal
IC601 Input Signal
Normal
Replace Check
IC601 the Tuner
Samsung Electronics 5-3
MEMO
5-4 Samsung Electronics
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