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QQ
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).
A
X1501
27 MHz
crystal
B
<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.
Check point 1 (stylus)
NO.
1
DACCK
2
DACCK
Specification
C
value 1
TE
L 13942296513
GND
Side A
D
E
www
F
Fig 9.3: 27 MHz, DACCLK check point
38
1
http://www.xiaoyu163.com
2
IC1501
DVD-LSI
VCC33
VCC12
Fig 9.1: Clock configuration
Media
Specification value 1 Specification value 2
DVD
2.0 V~VCC33 V
CD
2.0 V~VCC33 V
Specification
Specification
value 2
value 3
Fig 9.2: Clock specification value
x
ao
y
.
i
Check point 2 (IC1501 172 pin)
Check point 1 (stylus)
DVH-P5900MP/XN/EW5
2
http://www.xiaoyu163.com
3
8
IC1801
Audio-DAC
DACCLK
DGND~0.8 V
DGND~0.8 V
Q Q
3
6 7
1 3
u163
.
3
4
2 9
9 4
2 8
Specification value 3
36.8640 MHz±300 ppm
33.8688 MHz±300 ppm
1 5
0 5
8
2 9
9 4
m
co
4
9 9
2 8
9 9
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