VSX-LX70
49
5
6
7
8
5
6
7
8
C
D
F
A
B
E
B
R108
DSDA0
R13
Yes
R108
DSCL0
R13
No
Check the patterns in the path.
Check JA1101.
No
Replace JA1101.
Yes
JA1101 (Pin 16)
Step 3-5: DDC
SDA(HDMI IN1/--) *
* When connected the source
e
q
uipment to IN1/-.
G1
No
Check the patterns in the path.
Check JA1101.
No
Replace JA1101.
Yes
JA1101 (Pin 15)
SCL(HDMI IN1/--) *
G2
No
Check the patterns in the path.
Check IC1201,IC1202.
No
Replace IC1201,IC1202.
Yes
IC1202 (Pin 7)
G3
No
No
Check the patterns in the path.
Check IC1201,IC1202.
No
Replace IC1201,IC1202.
Yes
Yes
IC1202 (Pin 4)
G3
JA1102 (Pin 16)
SDA(HDMI IN2/HDMI IN1) *
G4
No
* When connected the source
e
q
uipment to IN2/1.
Yes
Yes
C
Yes
Check the patterns in the path.
Check IC1205.
No
Replace IC1205.
Check the patterns in the path.
Check IC1206.
No
Replace IC1206.
Check the patterns in the path.
Check JA1102.
No
Replace JA1102.
JA1102 (Pin 15)
SCL(HDMI IN2/HDMI IN1) *
G5
No
Yes
Check the patterns in the path.
Check JA1102.
No
Replace JA1102.
R108
DSDA0
R13
No
Check the patterns in the path.
Check IC1205.
No
Replace IC1205.
IC1204 (Pin 7)
G6
No
Yes
Check the patterns in the path.
Check IC1203,IC1204.
No
Replace IC1203,IC1204.
IC1204 (Pin 4)
G6
No
Yes
Check the patterns in the path.
Check IC1203,IC1204.
No
Replace IC1203,IC1204.
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 G1
(0 - 4.4 V)
?
Is there
a same signal as G2
(0 - 4.4 V)
?
Is there
a same signal as G4
(0 - 4.4 V)
?
Is there
a same signal as G5
(0 - 4.4 V)
?
Is there
a same signal as G2
(0 - 3.3 V)
?
Is there
a same signal as G4
(0 - 3.3 V)
?
Is there
a same signal as G1
(0 - 3.3 V)
?
Does
a signal output in
constant period
(0 - 5 V)
?
Does
a signal output in
constant period
(0 - 5 V)
?
VSX-LX70 only
VSX-LX70 only
VSX-LX70 only
VSX-LX70 only
VSX-LX70 only
VSX-LX70 only
JA1151 (Pin 16)
SDA(HDMI IN3/HDMI IN2) *
G7
No
* When connected the source
e
q
uipment to IN3/2.
Yes
Yes
Check the patterns in the path.
Check JA1151.
No
Replace JA1151.
JA1151 (Pin 15)
SCL(HDMI IN3/HDMI IN2) *
G8
No
Yes
Check the patterns in the path.
Check JA1151.
No
Replace JA1151.
R108
DSCL0
R13
No
Check the patterns in the path.
Check IC1206.
No
Replace IC1206.
Does
a clock output in
constant period
(0 - 5 V)
?
Is there
a same signal as G5
(0 - 3.3 V)
?
Does
a signal output in
constant period
(0 - 5 V)
?
*(LX70/LX60)