Pioneer DVH-3900MP/XZ/EW5 Service Manual page 30

1
QQ
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4. TUNER ERROR CORRECTION FLOW CHART
A
Something wrong with
the Tuner system?
Not available to Tuner?
B
Checked the Tuner
Checked the Tuner
Checked the PLL data?
C
Checked the RF
TE
L 13942296513
Checked the mute
control? (RDS Model)
D
E
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F
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http://www.xiaoyu163.com
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YES
Checked the
Tuner Vdd?
YES
Vdd control?
YES
Ground?
YES
YES
signal in?
YES
YES
Checked the
SD level?
YES
OK
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y
. i
DVH-3900MP/XZ/EW5
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http://www.xiaoyu163.com
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8
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4-A 4-C
NO
TU101(4, 16), Q307, IC301(10, 14)
NO
IC401(39, 64), Q318, IC301(11)
NO
TU101(3, 10, 17)
NO
TU101(11, 12, 13, 14, 15), IC401(44, 45, 46,)
NO
TU101(1, 2)
Q Q
3 6 7 1 3
NO
TU101(19), IC401(4)
NO
TU101(6), IC401(69)
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4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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co
4
9 9
2 8 9 9