45
VSX-LX51
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Step 4-1: Power supply
Step 4-2: VIDEO INPUT
Is the voltage
1.8V?
No
Check the patterns in the path.
Check the L403.
No
Replace L403.
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
I4
I5
I6
I7
Is the voltage
3.3V?
No
Check the patterns in the path.
Check the L405.
No
Replace L405.
Is the voltage
3.3V?
No
Check the patterns in the path.
Check the L406.
No
Replace L406.
Is the voltage
3.3V?
No
Check the patterns in the path.
Check the L601.
No
Replace L601.
Is the voltage
3.3V?
No
Check the patterns in the path.
Check the L602.
No
Replace L602.
Yes
Yes
Is the voltage
1.8V?
No
Check the patterns in the path.
Check the L402.
No
Replace L402.
CN102 (Pin 24)
VCV IN
C401
Is there a
composite
signal?
No
Diagnose the MAIN Assy.
Diagnose the MAIN Assy.
Diagnose the MAIN Assy.
Diagnose the MAIN Assy.
Diagnose the MAIN Assy.
Diagnose the MAIN Assy.
Yes
CN102 (Pin 20)
VCY IN
Yes
C434
3.3V(VIDEO DEC)
Yes
IC402 (Pin 8)
3.3V(VIDEO DEC)
Yes
C419
3.3V(VIDEO ENC)
Yes
C601
3.3V(VIDEO ENC)
Yes
C611
1.8V(VIDEO DEC)
Yes
1.8V(VIDEO DEC)
C417
C402
Is there a
Y signal?
No
Yes
CN102 (Pin 18)
VCC IN
Is there a
C signal?
No
Yes
CN102 (Pin 12)
VCCY IN
Is there a
Y signal?
No
Yes
CN102 (Pin 10)
VCCb IN
Is there a
Pb signal?
No
Yes
CN102 (Pin 8)
VCCr IN
Is there a
Pr signal?
No
Yes
B
Video converter section
I1
I8
I2
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 ...