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52
VSX-LX51
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Step 3-1: Power supply, CLK
IC1051 (Pin 3)
Is the voltage
5 V?
No
5 V(HDMI OUT)
Step 3-2 : Reset
IC501 (Pin 22)
RXRST
Yes
V+5HD
IC1252 (Pin 16)
5 V(BD IN)
R1151
V+5R2
IC1204 (Pin 16)
5V(HDMI IN)
Is the voltage
4.4 V?
No
No
Check the D1151.
Replace D1151.
Yes
Is the voltage
4.4 V?
No
No
Check the D1102.
Replace D1102.
Yes
Yes
No
Replace IC501 or IC502.
Check the parts and
patterns in the path.
No
IC501 (Pin 25)
TXRST
Yes
X101
X'TAL(HDMI Rx)
No
Check the soldering of
IC101. Check the
peripheries of X101.
Replace.
Is oscillation
of 27 MHz?
No
Is the voltage
"H" (3.3 V)?
HDMI section
Check the soldering of IC1051 and
the peripheries of IC1051.
If soldering has not been done
correctly, replace IC1051.
No
Replace IC501 or IC502.
Yes
Check the parts and
patterns in the path.
No
Is the voltage
"H" (3.3 V)?
A
Step 3-3: Source 5V
* When connected the source
equipment to BD IN.
G1
R1104
V+5R1
G2
Is the voltage
5 V?
Yes
No
Replace JA1152.
Check the JA1152.
No
* When connected the source
equipment to HDMI IN.
Is the voltage
5 V?
Yes
R109
R1PWR5V
G3
No
Replace JA1151.
Check the JA1151.
No
Yes
Is the voltage
"H" (3.3 V)?
No
* When connected the source
equipment to BD IN.
No
Replace Q103 or Q104.
Replace Q101 or Q102.
Check the parts and
patterns in the path.
Step 3-4: Hot Plug Detect
IC501 (Pin 34)
HPDET3
* When connected the source
equipment to BD IN.
C
Is the voltage
"L" (0 V)?
Yes
No
Replace IC501.
Check the patterns in the path.
No
No
Yes
Is the voltage
"H" (3.3 V)?
R111
R0PWR5V
G4
* When connected the source
equipment to HDMI IN.
No
Check the parts and
patterns in the path.
D1
D2
F
C
C
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 ...