Daewoo DTP-14V1 Service Manual page 27

2. NO PICTURE
Check the wave of I501 #21
C
33V U101
TUNER
5V
Check
the voltages
I701
MICOM
#50
X701
4MHz
D
Check
composite video
C517
R
R
I901
G
G R/G/B AMP
B
B
Check
RGB signal
SCL
SDA
#13
#14
Check
clock/data signal
#51
the Hout
Check
the crystal
#26
#43
I501
#44
#45
#61
Check
ABL current
NG : Go to the figure C
OK : Go to the figure D
SF101
SAW FILTER
#12 #13
#2
#3
I501
#63
Check
#21 #59
Check
HVCC(8V)
IF VCC(5V)
Check
FBT B+ (133V)
T402
FBT
Check
IF AGC voltage
#12
Check
#16 RF AGC voltage
#21
CVBS
#26
Check
the waveform
Check
200V LINE
VIDEO B+
HEATE
R
R403
Check
heater voltage