Troubleshooting Procedures By Ass'y; Power Cord - Samsung CS29Z30SPBXBWT Service Manual

6-3 Troubleshooting Procedures by ASS'Y

6-3-1 NO Power
1. Power Board Check
NG
Change
Materials
NG
Change
Materials
NG
Change
Materials
TU01S
F/BOX
Samsung Electronics
AC Voltage Impress
IC803 #1 CHECK
NG
CHECK HOT
BLOCK
OVER
C815(B+) Voltage
■ 132V F/B Line
check
■ 12V Line
OK or Low
L
12V Line
Q406 H-OUT TR
OK
B+(132V) Line
IC804
IC301S
IC601
No-Power
NG
FP801S FUSE
CHECK
OK
IC803 #4
D801S
CHECK
OK
IC803
SPS IC CHANG
F/back Line
NG
Check
NG
L811
Open
OK
Q804
(VCC_5V_C)
OK
NG
F/BACK LINE
Change
CHECK
Materials
Q406
IC803S
Troubleshooting
NG
AC FUSE CHANG
OK
D801S
NG
BRIGE DIODE
OK
CHANGE
NG
FA801S/FA802S
Change
FUSE/
Materials
R820 NG
Change
Line Materials
OK
Change
NG
Materials
F-Box Check
and Change the
Module
No-Power
Repair End
IC501S
FP801S

POWER CORD

6-5