AVH-P4000DVD/XN/UC
39
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Check 5: 27 MHz Normal?
<Outline> Each clock is created inside the IC1501 using the 27 MHz master crystal oscillator (X1501).
OSCO
OSCI
Fig 5.1: Clock configuration
IC1501
DVD-LSI
X1501
27 MHz
crystal
VCC33
VCC12
<Check method> Turn the power on, and check with DGND 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
Module No.
Specification value
Unit
2
IC1501 169pin
ALL
27 MHz
± 50 ppm
ppm
GND
Fig 5.2: Clock specification value
Side A
Fig 5.3: 27 MHz check point
Specification
value
DGND1
IC1501 169pin
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9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
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TEL 13942296513 QQ 376315150 892498299
