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5-3 No Power
Plug in the
Power Cord
Check Power LED
Abnomal
Check IC901 B+
(3.3VDD)
Abnomal
Check Q804
Abnomal
HC801S
FA801S
FA802S
Abnomal
Check
CN901, CN902
Samsung Electronics
All manuals and user guides at all-guidesbox.com
ST-BY : LED
Check the oscillation of
Nomal
X-Tal of IC901 pins 34, 35
Check Reset of IC901 pin 33
Nomal
Check/Replace IC901
2
Check I
C
Nomal
Check IC905
E2PROM
Check 135V Line
Abnomal
Check F-BOX (5V)
Check
Check IC803,
TRANS(12V)
IC802,R827,R829
Check F-BOX
2
Check F-BOX I
C
HIC401,Q402
Replace F-BOX
Abnomal
Nomal
Abnomal
Nomal
Check T444S
FBT B+
Nomal
Check IC801S,
Nomal
DZ801,DZ802,
PC801S,IC804
HD/VD
Abnomal
Check
Check H-BLK,
V-BLK Line
Nomal
Troubleshooting
Check
X901, IC904
Abnomal
Check the Horizontal
TR of HC401 "J6920"
5-3
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