39
SC-LX81
5
6
7
8
5
6
7
8
A
B
C
D
E
F
A
Check the patterns in the path.
Check the Q1104 and R1110.
N
o
Replace Q1104 or R1110.
Q1104 (B)
HPDET4(HDMI I
N
3) *
*
W
hen connected the source
equipment to I
N
3.
E4
Is the voltage
0
V
?
Yes
N
o
N
o
Replace IC501.
Check the patterns in the path.
R1110
HPD(HDMI I
N
3) *
E5
Is the voltage
5
V
?
Yes
N
o
IC101(Pin 30)
R1P
W
R5
V
F1
Is the voltage
5
V
?
N
o
N
o
Step 3-4: Source 5V
V
+5R(BD I
N
/HDMI I
N
1/I
N
2) *
*
W
hen connected the source
equipment to BD I
N
/I
N
1/I
N
2.
E1 or E2 or E3
Is the voltage
5
V
?
Yes
N
o
Replace JA110*and D110*.
Check the JA110*.
N
o
V
+5R4(HDMI I
N
3) *
*
W
hen connected the source
equipment to I
N
3.
*
W
hen connected the source
equipment to BD I
N
/I
N
1/I
N
2.
E5
Is the voltage
5
V
?
Yes
N
o
Replace JA1104 and D1104.
Replace IC1151.
Check the IC1151.
N
o
B
Yes
Step 3-3: Hot Plug Detect
R1101
HPDET1(BD I
N
) *
*
W
hen connected the source
equipment to BD I
N
.
E1
Is the voltage
5
V
?
Yes
*
W
hen connected the source
equipment to I
N
2.
N
o
Replace R1113 or R1169.
Check the patterns in the path.
Check the R1113 and R1169.
N
o
R354
TX2RST
D6
N
o
Replace IC501 or IC502.
Yes
R1104
HPDET2(HDMI I
N
1) *
*
W
hen connected the source
equipment to I
N
1.
E2
Is the voltage
5
V
?
Yes
Yes
N
o
Replace R1114 or R1151.
Check the patterns in the path.
Check the R1114 and R1151.
N
o
N
o
Replace R1115 or R1154.
Check the patterns in the path.
Check the R1115 and R1154.
N
o
N
o
Is the voltage
"H" (3.3
V
)?
R1107
HPDET3(HDMI I
N
2) *
E3
Is the voltage
5
V
?
Yes
Check the patterns in the path.
Check the D301 and R313.
N
o
Replace D301 or R313.
R1057
HPD(HDMI OUT1)
V+6HD
Is the voltage
"H" (6
V
)?
Yes
N
o
R313
HPD(HDMI TX1)
E7
Is the voltage
"H" (5
V
)?
Check the patterns in the path.
Check the JA301.
N
o
Replace JA301.
SC-LX
8
1 only
Yes
N
o
Check the patterns in the path.
Check the D351 and R363.
N
o
Replace D351 or R363.
Check the patterns in the path.
Check the JA351.
N
o
Replace JA351.
R1057
HPD(HDMI OUT2/1)
V+6HD
Is the voltage
"H" (6
V
)?
Yes
N
o
R363
HPD(HDMI Tx2/1)
E9
Is the voltage
"H" (5
V
)?
N
o
Check the parts and
patterns in the path.
Check the parts and
patterns in the path.