VSX-LX70
50
1
2
3
4
1
2
3
4
C
D
F
A
B
E
C
JA1152 (Pin 16)
SDA(HDMI IN4/HDMI IN3) *
G10
Yes
JA1152 (Pin 15)
SCL(HDMI IN4/HDMI IN3) *
G11
No
IC1254 (Pin 7)
G12
No
Yes
Yes
Yes
D
Yes
Check the patterns in the path.
Check JA1152.
No
Replace JA1152.
Check the patterns in the path.
Check JA1152.
No
Replace JA1152.
Check the patterns in the path.
Check IC1253,IC1254.
No
Replace IC1253, IC1254.
* When connected the source
e
q
uipment to IN4/3.
R108
DSDA1
R13
No
Check the patterns in the path.
Check IC1255.
No
Replace IC1255.
IC1252 (Pin 7)
G9
No
Yes
Check the patterns in the path.
Check IC1251,IC1252.
No
Replace IC1251,IC1252.
IC1252 (Pin 4)
G9
No
Yes
R108
DSCL1
R13
No
Check the patterns in the path.
Check IC1257.
No
Replace IC1257.
Yes
Check the patterns in the path.
Check IC1251,IC1252.
No
Replace IC1251,IC1252.
IC1254 (Pin 4)
G12
No
Yes
Check the patterns in the path.
Check IC1253,IC1254.
No
Replace IC1253, IC1254.
JA301 (Pin 16)
SDA(HDMI OUT)
G13
No
Check the patterns in the path.
Check JA301.
No
Replace JA301.
R108
R13
DSCL1
R13
No
Yes
Check the patterns in the path.
Check IC1255.
No
Replace IC1255.
R108
No
Yes
Check the patterns in the path.
Check IC1257.
No
Replace IC1257.
No
Does
a clock output in
constant period
(0 - 5 V)
?
Is there
a same signal as G7
(0 - 4.4 V)
?
Is there
a same signal as G10
(0 - 4.4 V)
?
Is there
a same signal as G11
(0 - 4.4 V)
?
Is there
a same signal as G8
(0 - 4.4 V)
?
Is there
a same signal as G7
(0 - 3.3 V)
?
Is there
a same signal as G10
(0 - 3.3 V)
?
Is there
a same signal as G11
(0 - 3.3 V)
?
Is there
a same signal as G8
(0 - 3.3 V)
?
Does
a signal output in
constant period
(0 - 5 V)
?
Does
a signal output in
constant period
(0 - 5 V)
?
DSDA1
R308
DSDA
G15
No
Yes
Yes
Check the patterns in the path.
Check R358.
No
Replace Q953.
JA301 (Pin 15)
SCL(HDMI OUT)
G14
No
Check the patterns in the path.
Check JA301.
No
Replace JA301.
Does
a clock output in
constant period
(0 - 5 V)
?
Is there
a same signal as G13
(0 - 3.3 V)
?
R307
DSCL
G16
No
Yes
Check the patterns in the path.
Check R357.
No
Replace Q953.
Is there
a same signal as G14
(0 - 3.3 V)
?
*(LX70/LX60)
Содержание VSX-LX60
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