Test Mode (For Service) - Pioneer XV-DV55 Servise Manual

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7.1.7 TEST MODE (For Service )
How to Start / Cancel Test Mode
TEST MODE : ON
W563(TEST)
W564(GND)
MOTHER ASSY (Fig7.2)
Check on circuit and module composition
• Subwoofer is not connected.
(Neither the AC pulse check nor the FAN check are done)
• The DISPLAY unit is connected.
• The function mode not change into the DVD mode though the test operation is done even if the connection of the DVD mechanism unit is removed.
Operation
• The operation is the same as a usual operation.
TEST MODE : STOP → CANCEL
STANDBY
OFF
TE
L 13942296513
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.
http://www.xiaoyu163.com
Short circuit
AC is turned ON
F
x ao
y
i
Fig 7.2
http://www.xiaoyu163.com
8
W563(TEST)
W564(GND)
MOTHER ASSY
Q Q
3 6 7 1 3
FRONT
u163
.
TEST MODE
W363(TEST) and W364(GND): Short
2 9 9 4 2 8
Release
MOTHER ASSY
DISPLAY UNIT (AAX7075)
1 5 0 5 8 2 9 9 4
m
co
XV-DV55
9 9
2 8 9 9
69