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53
VSX-LX51
5
6
7
8
5
6
7
8
A
B
C
D
E
F
A
JA1102 (Pin 19)
HPD(HDMI)
H2
Is the voltage
"H" (5 V)?
Yes
Check the patterns in the path.
Check the Q1102 and R1104.
No
Replace Q1102 or R1104.
Check the patterns in the path.
Check the D301 and R313.
No
Replace D301 or R313.
Check the patterns in the path.
Check the JA301.
No
Replace JA301.
JA301 (Pin 18)
HPD(HDMI OUT)
H3
IIs the voltage
"H" (5 V)?
No
IC301 (Pin 51)
HPD(HDMI Tx)
H4
Is the voltage
"H" (5 V)?
No
JA1152 (Pin 19)
HPD(BD)
H1
Is the voltage
"H" (5 V)?
Check the patterns in the path.
Check the Q1151 and R1151.
Yes
* When connected the source
equipment to HDMI IN.
No
No
Replace Q1151 or R1151.
IC501 (Pin 91)
HPDET2
C
Is the voltage
"L" (0 V)?
Yes
Yes
Yes
No
No
Replace IC501.
Check the patterns in the path.
To Step 4-1
Step 4-1: Power supply
3.3V(VIDEO DEC)
Is the voltage
3.3V?
No
Check the patterns in the path.
Check the L401.
No
Replace L401.
Is the voltage
3.3V?
No
Check the patterns in the path.
Check the L404.
No
Replace L404.
3.3V(IC402)
I3
Is the voltage
3.3V?
No
Check the patterns in the path.
Check the L405.
No
Replace L405.
Is the voltage
1.8V?
No
Check the patterns in the path.
Check the L402.
No
Replace L402.
C401
Yes
C434
3.3V(VIDEO DEC)
Yes
IC402 (Pin 8)
Yes
Yes
1.8V(VIDEO DEC)
C402
B
Video converter section
Step 4-2: VIDEO INPUT
Is the voltage
1.8V?
No
Check the patterns in the path.
Check the L403.
No
Replace L403.
Yes
CN102 (Pin 24)
VCV IN
Is there a
composite
signal?
No
Diagnose the MAIN Assy.
Diagnose the MAIN Assy.
Yes
CN102 (Pin 20)
VCY IN
1.8V(VIDEO DEC)
C415
Is there a
Y signal?
No
Yes
I1
I2
I4
I5
Содержание VSX-1018AH-K
Страница 8: ...8 VSX LX51 1 2 3 4 A B C D E F 1 2 3 4 2 2 SPECIFICATIONS LX51 13 3 kg 1018AH ...
Страница 9: ...9 VSX LX51 5 6 7 8 5 6 7 8 A B C D E F 2 3 PANEL FACILITIES 1 Rear panel VSX LX51 ...
Страница 10: ...10 VSX LX51 1 2 3 4 A B C D E F 1 2 3 4 VSX LX51 2 Front panel ...
Страница 11: ...11 VSX LX51 5 6 7 8 5 6 7 8 A B C D E F 3 Display ...
Страница 12: ...12 VSX LX51 1 2 3 4 A B C D E F 1 2 3 4 4 Remote control AXD7518 VSX LX51 Only ...
Страница 13: ...13 VSX LX51 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 75: ...75 VSX LX51 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 82: ...82 VSX LX51 1 2 3 4 A B C D E F 1 2 3 4 9 4 POWER AMP SECTION S L K R I W Y X J N ...
Страница 132: ...132 VSX LX51 1 2 3 4 A B C D E F 1 2 3 4 ...