42
SC-LX81
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Check the soldering of JA1103.
N
o
Replace JA1103.
IC1151(Pins 1
8
,19,
21,22,24,25,27,2
8
)
TMDS(HDMI I
N
2/I
N
2) *
*
W
hen connected the source
equipment to I
N
2/I
N
2.
H1
N
o
Yes
Yes
D
E
Check the soldering of JA1101.
N
o
Replace JA1101.
IC1151(Pins 5
8
,59,
61,62,64,65,67,6
8
)
Step 3-6: TMDS(INPUT)
Yes
TMDS(BD I
N
) *
*
W
hen connected the source
equipment to BD I
N
.
H1
N
o
Yes
Check the soldering of JA1104.
N
o
Replace JA1104.
IC101(Pins 39,40,
43,44,47,4
8
,51,52)
TMDS(HDMI I
N
3/I
N
3) *
*
W
hen connected the source
equipment to I
N
3/I
N
3.
F1
N
o
Check the soldering of IC110*
and JA110*.
N
o
Replace IC110*and JA110*.
IC101 (Pins 57,5
8
,
61,62,65,66,69,70)
TMDS(Rx1)
*
W
hen connected the source
equipment to BD I
N
/I
N
1/I
N
2.
F1
N
o
Are there signals
(approx. 0.5
V
p-p) in all
the lines?
Are there signals
(approx. 0.5
V
p-p) in all
the lines?
Check the soldering of JA1102.
N
o
Replace JA1102.
IC1151(Pins 3
8
,39,
41,42,44,45,47,4
8
)
TMDS(HDMI I
N
1/I
N
1) *
*
W
hen connected the source
equipment to I
N
1/I
N
1.
H1
N
o
Yes
Are there signals
(approx. 0.5
V
p-p) in all
the lines?
Are there signals
(approx. 0.5
V
p-p) in all
the lines?
Step 3-7: TMDS(OUTPUT)
JA301(Pins 1,3,4,6,
7,9,10,12)
TMDS(HDMI OUT1)
TMDS(HDMI OUT2)
G10
N
o
Check the parts and patterns in
the path (IC301 - JA301).
SC-LX
8
1 only
N
o
Replace IC301.
Yes
Yes
Step 3-
8
: AUDIO CLK,DATA
(HDMI: AMP MODE)
IC203(Pin 2)
RXSPDIF
I1
Is there a
DATA?
N
o
Check the parts and patterns in
the path (IC101 - IC203).
N
o
Replace IC101.
N
o
Replace IC203.
N
o
N
o
Replace IC205.
(D
V
D Dolby Digital)
Check the parts and patterns in
the path (IC201 - C
N
201).
Check the soldering of IC201,
L207 and R206.
R209(Right Side)
SPDIF
I2
Is there a
DATA?
N
o
Check the parts and patterns in
the path (IC203 - IC205).
Check the soldering of IC203,
L204 and R209.
Yes
Yes
C
N
201(Pin 2)
HSPDIF
I3
Is there a
DATA?
N
o
Check the parts (B side) and
patterns in the path (IC205 -
IC201). Check the soldering of
IC205,L204 and R213.
N
o
Replace IC201.
Are there signals
(approx. 0.5
V
p-p) in all
the lines?
JA351(Pins 1,3,4,6,
7,9,10,12)
G13
N
o
Check the parts and patterns in
the path (IC351 - JA351).
N
o
Replace IC351.
Yes
Are there signals
(approx. 0.5
V
p-p) in all
the lines?
Are there signals
(approx. 0.5
V
p-p) in all
the lines?
