Pioneer DVH-P580MP SERIES Service Manual page 71

1
Check 1 : Are all power supply voltages?
QQ
3 7 63 1515 0
Reproduce DVD-REF-A1 Title 1.
Verify the voltage of the sensing pin.
A
No. Verification location
VD8_1/2 - PGND_1/2
1
VDD33 - DGND1/2/3
2
SRVDD - DGND1/2/3
3
VCC5_1 - AGND1
4
AVCC5_1 - AGND1
5
VCC33_1/2 - DGND1/2/3
6
VCC33_3/4/5 - DGND1/2/3
7
VCC15_1/2 - DGND1/2/3
8
B
Check 2 : Are all clock operating normally?
Reproduce DVD-REF-A1 Title 1
Check Circuit Diagram
Checks are to conducted with a GND reference.
If locations listed under "verification location 2", can be verified, there will be no need to perform verifications
for the locations listed under "verification location 1."
If the result is not satisfactory, check to see if there are any problems with the resin flux cored solder and other
defects in the applicable line, vicinity of IC 1802 (Circuit Diagram
Verification location 1
C
No.
(Sensing pin)
BECLK
1
EXTCK
2
EXTCK
3
TE
MCK33
4 L 13942296513
DACCLK
5
6 DACCLK
D
Rated Value 1
GND
E
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F
64
1
http://www.xiaoyu163.com
2
Rated value
8.0 0.4
3.3 0.15
3.3 0.15
5.0 0.1
5.0 0.1
3.3 0.15
3.3 0.3
1.5 0.1
.
1
Verification location 2
IC1501 170pin
IC1501 172pin
IC1501 172pin
IC1501 92pin
IC1851 16pin
IC1881 3pin
Rated value 3
Rated Value 2
Clock rated values
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y
. i
DVH-P5650MP/RC
2
http://www.xiaoyu163.com
3
8
Unit
V
V
V
V
V
V
V
V
) and peripheral components.
1
Media Rated value 1 Rated value 2
ALL 2.3V VCC33 GND
DVD 2.3V VCC33 GND
2.3V VCC33 GND
CD
Q Q
2.2V VCC33 3 6 7 GND 1 3
ALL
2.0V VCC33 GND
DVD
2.3V VCC33 GND
DVD
u163
.
3
4
2 9 9 4 2 8
Rated value 3
0.8V 27MHz 50ppm
0.8V 36.8640MHz 300ppm
0.8V 33.8688MHz 300ppm
1 5 0.8V 0 5 33.898MHz 8 2 9 300ppm 9 4
0.8V 33.8688MHz 300ppm
0.99V 33.8689MHz 300ppm
m
co
4
9 9
2 8 9 9