Samsung HT-BD1255 - Page 45


S
amsun
g
E
l
e
c
t
r
o
n
i
c
s
4
-
1
9
Troubleshooting
4-1-8
NO
LOGO
HDMI
Check the Video select, cable
connection, TV mode
No
No
Check U1 Power Input,
Y1 Oscillation, Memory interface
No
Check IC18 connector and HDMI
cable connection
Y
es
Y
es
Y
es
Clock, Data and Sync from
Pin 56~94 from IC18.
Video selection
accords with cable connection and
TV mode?
Pin 51 of IC18 is High?
(2V ~ 5V)
No Logo HDMI
HDMI Cable Error
No
Check IC18 power input and
peripheral devices
Data output from IC18?
(Pin 30, 31, 33, 34, 36, 37,
39, 40)
Y
es

Refer to wave pattern
image of Fig. 4-7.

Refer to wave pattern
image of Fig. 4-8.

Refer to wave pattern
image of Fig. 4-9.