Pioneer AVH-P4150DVD Service Manual page 49

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3 7 63 1515 0
Check 9: Is DACCLK normal?
<Outline> DACCLK for Audio-DAC is created by IC1501 using the 27 MHz master crystal oscillator (X1501).
X1501
27 MHz
crystal
<Check method>
DVD: DVD-REF-A1 TITLE 1
CD: Playback a normal CDDA.
Common to all DVD-V compatible modules.
Check with DGND being the reference.
In case of NG, check the applicable line, the periphery of IC1501, soldering of the peripheral components and
defective components.
NO. Check point 1 (stylus)
1 DACCK
2 DACCK
Specification
value 1
TE
L 13942296513
GND
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IC1501
DVD-LSI
VCC33 VCC12
Fig 9.1: Clock configuration
Media
DVD
CD
Specification
value 2
Fig 9.2: Clock specification value
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IC1801
DACCLK Audio-DAC
Specification value 1 Specification value 2
2.0 V~VCC33 V DGND~0.8 V
2.0 V~VCC33 V DGND~0.8 V
Specification Q Q
3 6 7 1 3 1 5
value 3
co
.
AVH-P4150DVD/XN/RC
7
9 4 2 8
Specification value 3
36.864 0 MHz ± 300 ppm
33.868 8 MHz ± 300 ppm
0 5 8 2 9 9 4 2 8
m
7
8
9 9
A
B
C
9 9
D
E
F
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