40
SC-LX81
1
2
3
4
A
B
C
D
E
F
1
2
3
4
B
R108(Pin 5)
RXDSDA1
G2
Yes
R108(Pin 6)
RXDSCL1
G2
No
Check the patterns in the path.
Check the JA1101.
No
Replace JA1101.
JA1101 (Pin 16)
Step 3-5: DDC
SDA(HDMI BD IN) *
* When connected the source
equipment to BD IN.
G1
No
Check the patterns in the path.
Check the JA1101.
No
Replace JA1101.
Yes
JA1101 (Pin 15)
SCL(HDMI BD IN) *
G1
No
Yes
JA1102 (Pin 16)
SDA(HDMI IN1) *
G3
No
* When connected the source
equipment to IN1.
Yes
Yes
C
Yes
Check the patterns in the path.
Check the IC1151(Pins 76,77).
No
Replace IC1151.
Check the patterns in the path.
Check the IC1151(Pins 76,77).
No
Replace IC1151.
Check the patterns in the path.
Check the JA1102.
No
Replace JA1102.
JA1102 (Pin 15)
SCL(HDMI IN1)*
G3
No
Yes
Check the patterns in the path.
Check the JA1102.
No
Replace JA1102.
R108(Pin 5)
RXDSDA1
G2
No
Check the patterns in the path.
Check the IC1151(Pins 76,77).
No
Replace IC1151.
No
Does
a clock output in
constant period
(0 - 5 V)
?
Does
a clock output in
constant period
(0 - 5 V)
?
Is there
a same signal as SCL
(BD) (0 - 3.3 V)
?
Is there
a same signal as SDA
(IN1) (0 - 3.3 V)
?
Is there
a same signal as SDA
(BD) (0 - 3.3 V)
?
Does
a signal output in
constant period
(0 - 5 V)
?
Does
a signal output in
constant period
(0 - 5 V)
?
JA1103(Pin 16)
SDA(HDMI IN2) *
G4
No
* When connected the source
equipment to IN2.
Yes
Yes
Check the patterns in the path.
Check the JA1103.
No
Replace JA1103.
JA1103(Pin 15)
SCL(HDMI IN2) *
G4
No
Yes
Check the patterns in the path.
Check the JA1103.
No
Replace JA1103.
R108(Pin 6)
RXDSCL1
G2
No
Check the patterns in the path.
Check the IC1151(Pins 76,77).
No
Replace IC1151.
Does
a clock output in
constant period
(0 - 5 V)
?
Is there
a same signal as SCL
(IN1) (0 - 3.3 V)
?
Does
a signal output in
constant period
(0 - 5 V)
?
IC101(Pin 35)
R0PWR5V
F1
Is the voltage
5 V?
No
No
Replace D1104.
* When connected the source
equipment to IN3.
Yes
R108(Pin 5)
RXDSDA1
G2
No
Check the patterns in the path.
Check the IC1151(Pins 76,77).
No
Replace IC1151.
Yes
Is there
a same signal as SDA
(IN2) (0 - 3.3 V)
?
Yes
R108(Pin 6)
RXDSCL1
G2
No
Check the patterns in the path.
Check the IC1151(Pins 76,77).
No
Replace IC1151.
Is there
a same signal as SCL
(IN2) (0 - 3.3 V)
?
Check the parts and
patterns in the path.