SAMSUNG CS-29Z4HNQ Service Manual Troubleshooting
Troubleshooting
Samsung Electronics 5-1
5. Troubleshooting
5-1 No Raster
Abnormal
Check VIN(DC)
TS801S PIN 13
Abnormal
Check
FA803S
GND SHORT
Abnormal
Check ST5V
Q804 "E"
Normal
Check ST5V
HC801"D809"
Abnormal
Normal
Normal
Check
FA801S
Check
B+(135V)
Check
ST-BY
MICOM
Abnormal
Check
NormalNormal
Normal
Check ON/OFF
IC903 ; 3.3V
F-BOX 5V, 9V
Check
Normal
Check
MICOM
Abnormal
Check9V:R829, IC803
5V:R827, FA802S
Check
HC401 J6920
Normal
Check
DZ801,DZ802,
DZ803,IC804
Check
Vin(dc)T801S
Abnormal
Check
FP801S
Check
CRT ASSY
R529
Normal
F-BOX I C
Check
Check
F-BOX HD,VD
Abnormal
Check HIC401
Q402
REPLACE
F-BOX
Check
H-BLK
V-BLK
5-2 No Sound
Troubleshooting
5-2 Samsung Electronics
NO SOUND
Check
SPEAKER and WIRE
Check
TUNER B+ and SIF
Normal
Abnormal
Check the
signal of CN601
Abnormal
Check the
input signal
of IC601
Normal
Check
IC601 B+
Normal
Check the signals
of pins 47,44,are input
Normal
Check the signals
of pins 25,24 are input
Normal
Abnormal
Check the
input signal
of IC602 pins 7,11
Abnormal
CheckB+(BV) LINE
R815, IC805, FA802S
Normal
Check
IC602 B+
Normal
Replace IC602
Abnormal
Check FA803S
Repace IC601
Loading...