Pioneer AVH-P5700DVD Service Manual page 124

1
Check 1 : Are all power supply voltages?
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
2 EXTCK
EXTCK
3
MCK33
4
5 DACCLK
DACCLK
6
D
Rated Value 1
GND
E
F
124
1
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 Media
IC1501 170pin ALL
IC1501 172pin DVD
IC1501 172pin CD
IC1501 92pin ALL
IC1851 16pin DVD
DVD
IC1881 3pin
Rated value 3
Rated Value 2
Clock rated values
AVH-P5700DVD/EW
2
3
Unit
V
V
V
V
V
V
V
V
) and peripheral components.
1
Rated value 1 Rated value 2
2.3V VCC33 GND 0.8V
2.3V VCC33 GND 0.8V
2.3V VCC33 GND 0.8V
2.2V VCC33 GND 0.8V
2.0V VCC33 GND 0.8V
2.3V VCC33 GND 0.99V
3
4
Rated value 3
27MHz 50ppm
36.8640MHz 300ppm
33.8688MHz 300ppm
33.898MHz 300ppm
33.8688MHz 300ppm
33.8689MHz 300ppm
4