Clock Configuration; Rated Value Of A Clock; Spots To Check In 27 Mhz - Pioneer AVH-P5200BT Service Manual

5
Check 5: 27 MHz normal?
<Outline> Each CLOCK is created inside IC1501
using a 27 MHz crystal oscillator (X1501).
X1501
OSCO
27 MHz
Crystal OSCI
<How to check>
Check based on DGND when the power is ON.
If NG is found, check the relevant lines, periphery of IC1501,
soldering of peripheral components and defective components.
NO. Spot to check
1 IC1501 156pin
GND
Fig. 5.2: Rated value of a clock
PCB side A
Fig. 5.3: Spots to check in 27 MHz
5
6
IC1501
DVD-LSI
VCC33
Fig. 5.1: Clock configuration
Module NO.
ALL
Rated
value
AVH-P5200BT/XNUC
6
7
VCC12
Rated value Unit
27 MHz ± 50ppm ppm
7
8
DGND1
IC1501 156pin
8
A
B
C
D
E
F
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