Pioneer VSX-1018AH-K, Руководство по обслуживанию

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51
VSX-LX51
5 6 7 8
5 6 7 8
A
B
C
D
E
F
Step 2-1: Power supply, CLK
Insert the connectors
securely
N o
Yes
C1001
R1306
Is the voltage
11 V ?
Step 2-2: Reset
N o
Unreg I N PUT
1. 8 V
Yes
Is the voltage
1. 8 V ?
N o
Yes
IC501 (Pin 13)
Is oscillation
of 15.7 MHz?
N o
XOUT
Yes
Yes
IC501 (Pin 12)
Is the voltage
"H" (3.3 V )?
N o
HDRST
Check the parts and patterns in
the path.
Yes
N o
R1304 3.3 V
Is the voltage
3.3 V ?
N o
Yes
V+3R3
R1305
3.3 V
Is the voltage
3.3 V ?
N o
V+3R3VC
V+1R 8
HDMI (HDMI input)
diagnosis : To Step 3-1
V ideo converter (Analog input)
diagnosis : To Step 4-1
C N 1001, C N 1002
Check the MAI N Assy or DC/DC
ASSY.
Check the MAI N Assy.
• The parts marked like in the following chart are located
in "HDMI Assy Check Points".
Step 1: Connections
C N 1001, C N 1002
Common section
[5] HDMI Troubleshooting(VSX-101 8 AH-K, VSX-101 8 AH-S)
A1
Check the soldering of IC1001 and
the peripheries of IC1001.
If soldering has not been done
correctly, replace IC1001.
R1307
1. 8 V
Is the voltage
1. 8 V ?
N o
Yes
V+1R 8 VC
Check the soldering of IC1001 and
the peripheries of IC1001.
If soldering has not been done
correctly, replace IC1001.
Check the soldering of IC1001 and
the peripheries of IC1001.
If soldering has not been done
correctly, replace IC1001.
Check the soldering of IC1001 and
the peripheries of IC1001.
If soldering has not been done
correctly, replace IC1001.
C1073 5 V
Is the voltage
5 V ?
N o
Yes
Check the soldering of IC1071 and
the peripheries of IC1071.
If soldering has not been done
correctly, replace IC1071.
Check the soldering of X501 or
IC501. If soldering has not been
done correctly, replace X501 or
IC501.
Are the
connectors
securely inserted?
A1
A2
B1
B2
C
C