Pioneer AVIC-Z2/XU/UC Service Manual page 161

1
Check 2: Are all clocks operating normally?
A
Reproduce DVD-REF-A1 Title 1.
Checks are to be 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,
parts and components, in the vicinity of IC1507.
Verification
NO. location 1
(contact
B
measurements)
1 CLK27
2 EXTCK1
3 EXTCK1
4 MCK16
5 MCK33
C
D
E
F
154
1
2
Verification
location 2 Media Rated value1
IC1503 96pin ALL 2.65V~VCC33
IC1503 100pin DVD 2.65V~VCC33
IC1503 100pin CD 2.65V~VCC33
IC1301 79pin ALL 2.33~VCC33
IC1601 3,33pin ALL 2.33~VCC33
Rated value 1
GND Rated value 2
Clock rated values
AVIC-Z1/UC
2
3
Rated value 2
GND~0.65V
GND~0.65V
GND~0.65V
GND~0.99V
GND~0.10V
Rated value 3
3
4
Rated value 3
27MHz±50ppm
36.8640MHz±100ppm
33.8688MHz±100ppm
16.9344MHz±100ppm
33.8688MHz~40.0000MHz
4