Pioneer AVH-P3100DVD Service Manual page 58

1
Check 13: 48 MHz Normal?
<Outline> Each clock is created inside the IC1501 using the 48 MHz master crystal oscillator (X1501).
A
X1950
48 MHz
crystal USB_CLOCK
B
<Check method> Turn the power on, and check with DGND1 being the reference.
In case of NG, check the applicable line, periphery of IC1501,
soldering of the peripheral components and defective components.
NO. Check point
2 IC1501 50pin-DGND1
C
Specification
value
GND
D
E
F
58
1
2
IC1501
DVD-LSI
VCC33
Fig 13.1: Clock configuration
Module No.
ALL
Fig 13.2: Clock specification value
AVH-P3100DVD/XN/UC
2
3
VCC12
Specification value
Unit
48 MHz
ppm
± 50 ppm
3
4
4