Pioneer AVH-P5200BT Service Manual page 54

1
Check 9: DACCLK normal?
<Outline> DACCLK for Audio-DAC is created through IC1501
A
using a 27 MHz crystal oscillator (X1501).
X1501
27 MHz
Crystal
B
<How to check>
DVD: DVD-REF-A1 TITLE 1
CD: Play back a general CDDA
Common in all modules compatible with DVD-V
Checking should be based on DGND.
If NG is found, check the relevant lines, periphery of IC1501,
soldering of peripheral components and defective components.
C
NO. Spot to check 1 (sending pin) Media
1 DACCK
2 DACCK
Rated value 1
D
GND
E
F
54
1
2
IC1501
DVD-LSI
VCC33 VCC12
Fig. 9.1: Clock configuration
Rated value 1
DVD 2.0 V~VCC33V
CD 2.0 V~VCC33V
Rated
Rated
value 2
value 3
Fig. 9.2: Rated value of a clock
AVH-P5200BT/XNUC
2
3
IC1801
Audio-DAC
DACCLK
Rated value 2 Rated value 3
DGND~0.8 V 36.8640 MHz ± 300 ppm
DGND~0.8 V 33.8688 MHz ± 300 ppm
3
4
4