VSX-LX70
48
1
2
3
4
1
2
3
4
C
D
F
A
B
E
A
JA1102 (Pin 19)
HPD(HDMI IN2/HDMI IN1) *
E4
Is the voltage
"
H
"
(5 V)
?
Yes
Yes
B
Yes
Check the patterns in the path.
Check Q1102,R1102.
No
Replace Q1102 or R1102.
Check the patterns in the path.
Check Q1151,R1151.
No
Replace Q1151 or R1151.
Q1151 (Pin B)
HPDET2(HDMI IN3/HDMI IN2) *
* When connected the source
e
q
uipment to IN3/2.
E5
Is the voltage
"
L
"
(0 V)
?
Yes
No
No
Replace IC501.
Check the patterns in the path.
JA1151 (Pin 19)
HPD(HDMI IN3/HDMI IN2) *
E6
Is the voltage
"
H
"
(5 V)
?
Yes
No
R111
R0PWR5V
F5
Is the voltage
"
H
"
(3.3 V)
?
No
Check the patterns in the path.
Check Q1152,R1152.
No
Replace Q1152 or R1152.
Q1152 (Pin B)
HPDET3(HDMI IN4/HDMI IN3) *
* When connected the source
e
q
uipment to IN4/3.
E7
Is the voltage
"
L
"
(0 V)
?
Yes
No
No
Replace IC501.
Check the patterns in the path.
No
Replace IC151, Q151 or R155.
JA1152 (Pin 19)
HPD(HDMI IN4/HDMI IN3) *
E8
Is the voltage
"
H
"
(5 V)
?
Yes
No
Check the patterns in the path.
Check D301,R313.
No
Replace D301 or R313.
Check the patterns in the path.
Check JA301.
No
Replace JA301.
JA301 (Pin 18)
HPD(HDMI OUT)
E9
IIs the voltage
"
H
"
(5 V)
?
Yes
No
R313
HPD(HDMI Tx)
E10
Is the voltage
"
H
"
(5 V)
?
No
Step 3-4: Source 5V
V+5R0(HDMI IN1/--) *
* When connected the source
e
q
uipment to IN1/-.
F1
Is the voltage
5 V
?
Yes
No
Replace JA1101.
Check JA1101.
No
V+5R1(HDMI IN2/HDMI IN1) *
* When connected the source
e
q
uipment to IN2/1.
* When connected the source
e
q
uipment to IN1,2/-,1.
F2
Is the voltage
5 V
?
Yes
No
Replace JA1102.
Check JA1102.
No
Check the parts and
patterns in the path.
VSX-LX70 only
Yes
F3
Is the voltage
5 V
?
No
No
* When connected the source
e
q
uipment to IN3/2.
R109
R1PWR5V
F6
Is the voltage
"
H
"
(3.3 V)
?
No
No
Replace IC151, Q152 or R156.
* When connected the source
e
q
uipment to IN3,4/2,3.
Yes
Yes
No
Replace JA1151.
Check JA1151.
F4
Is the voltage
5 V
?
* When connected the source
e
q
uipment to IN4/3.
No
Replace JA1152.
Check JA1152.
Check the parts and
patterns in the path.
V+5R2(HDMI IN3/HDMI IN2) *
V+5R3(HDMI IN4/HDMI IN3) *
*(LX70/LX60)
Содержание VSX-LX60
Страница 19: ...VSX LX70 19 5 6 7 8 5 6 7 8 C D F A B E ...