Daewoo DTR-29D3ME, Service Manual, Page: 16 / 50

14
Trouble Shooting Charts
CASE : The others trouble
Check
Standby 5.5V &
Main B+(132V) line
ABNORMAL
ABNORMAL
ABNORMAL
NORMAL
NORMAL
VOLTAGE
ABNORMAL
Check horizental dirve
Pulse at 24th pin of I701
Check/Replace I701
Check/Replace
Q401, T401, Q402
D402, D831
Check/Replace
Voltage of C893
Check
secondary voltage,
stand-by 5V line,
Check/Replace
I805, R835, S/B line
Check/Replace
F801 Fuse(6.3A 250V)
Check/Replace
D801, R805, R803
Check/Replace
I801(STR-6709),
Peripheral components
Check/Replace
I802(KP-1010C)
Check voltage at 64th
pin of I701(normal:0V)
Open 64th pin of I701
---> OK(set power on)
Peripheral components
of Check OCP, OVP line
Check horizontal Vcc,
R555 at 24th pin of I701,
X501(20.25),”
signal at 59.60th pin of
I701(SCL, SDA)