Pioneer AVIC-HD3, Service Manual

Page: 161 / 317

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