Pioneer AVIC-F910BT Service Manual page 65

5
QQ
Check 13: 48 MHz Normal?
3 7 63 1515 0
<Outline> Each clock is created inside the IC1501 using the 48 MHz master crystal oscillator (X1501).
X1950
48 MHz
crystal USB_CLOCK
<Check method> Turn the power on, and check with DGND1 being the reference.
NO. Check point
2 IC1501 50pin-DGND1
TE
L 13942296513
GND
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IC1501
DVD-LSI
VCC33
Fig 13.1: Clock configuration
In case of NG, check the applicable line, periphery of IC1501,
soldering of the peripheral components and defective components.
Module No.
ALL
Specification
value
Fig 13.2: Clock specification value
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2 9
8
VCC12
Specification value
48 MHz
± 50 ppm
Q Q
3 6 7 1 3 1 5
co
.
AVIC-X910BT/XS/UC
7
9 4 2 8
Unit
ppm
0 5 8 2 9 9 4 2 8
m
8
9 9
A
B
C
9 9
D
E
F
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