44
SC-LX81
1
2
3
4
A
B
C
D
E
F
1
2
3
4
F
Check the parts and patterns in
the path (CN201 - IC251 and
IC251 - IC301).
No
Replace IC251.
Check the parts and patterns in
the path (CN201 - IC251 and
IC251 - IC301).
No
Replace IC251.
Yes
IC301(Pins 10,11)
TXWS, TXSCK
J1
Is there a
CLK?
No
IC301(Pin 9)
TO STEP 4-1
TXSD0
J1
Is there a
Data?
No
Yes
IC301(Pin 5)
TXMCK
J1
Is there a
CLK?
No
Check the parts and patterns in
the path (CN201 - IC251 and
IC251 - IC301).
No
Replace IC251.
Yes
Check the parts and patterns in
the path (CN201 - IC251 and
IC251 - IC351).
No
Replace IC251.
Yes
IC351(Pin 5)
TXMCK
J2
Is there a
CLK?
No
Check the parts and patterns in
the path (CN201 - IC251 and
IC251 - IC351).
No
Replace IC251.
IC351(Pin 9)
TXSD0
J2
Is there a
Data?
No
Yes
Check the parts and patterns in
the path (CN201 - IC251 and
IC251 - IC351).
No
Replace IC251.
Yes
IC351(Pins 10,11)
TXWS, TXSCK
J2
Is there a
CLK?
No