Pioneer VSX-2016AV-S Service Manual page 201

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QQ
3 7 63 1515 0
A
Install a XM antenna
IC502 (Pin 5)
Is the
voltage more
than 5 V?
Yes
CN501 (Pin 1)
Is the
voltage more
than 5 V?
Yes
Remove the XM antenna
IC901 (Pin 1)
Is the voltage
5.2 V?
TE
Yes
L 13942296513
IC901 (Pin 3)
Is the voltage
3.3 V?
Yes
IC101 (Pin 7,etc.)
Is the voltage
3.3 V?
Yes
IC103 (Pin 20)
Is the voltage
3.3 V?
www
Yes
.
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• : KUXJ and KUXJCA types only
No
Replace the XM antenna.
No
Replace the XM antenna.
1st Block 3.3 V
No
Check the parts and patterns
in the path.
No
Is IC901 No
abnormally hot?
Replace IC901.
Yes
The output and GND may be short-
circuited. Check the path between
them.
1st DSP 3.3 V
No
Check the parts and patterns
in the path.
LATCH1
No
Check the parts and patterns
in the path.
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8
IC104 (Pin 20)
Is the voltage
3.3 V?
Yes
IC105 (Pin 8)
Is the voltage
3.3 V?
Yes
IC106 (Pin 37)
Is the voltage
3.3 V?
Yes
IC107 (Pins 9,27)
Q Q
3 6 7 1 3 1 5
Is the voltage
3.3 V?
Yes
IC109 (Pin 5)
Is the voltage
3.3 V?
Yes
IC902 (Pins 1,2)
Is the voltage
3.3 V?
Yes
IC902 (Pin 4)
Is the voltage
1.2 V?
Yes
co
.
B
VSX-2016AV-S
7
8
9 4 2 8
LATCH2
No
Check the parts and patterns
in the path.
Decoder
No
Check the parts and patterns
in the path.
FLASH ROM
No
Check the parts and patterns
in the path.
SRAM
0 5 8 2 9 9 4 2 8
No
Check the parts and patterns
in the path.
Logic IC
No
Check the parts and patterns
in the path.
1st Block 1.2 V
No
Check the parts and patterns
in the path.
No
Is IC902 No
abnormally hot?
Replace IC902.
Yes
m
The output and GND may be short-
circuited. Check the path between
them.
9 9
A
B
C
9 9
D
E
F
201
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