Pioneer DVH-P7000R, Service Manual

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DVH-P7000R
A
B
C
D
5 6 7 8
5 6
7
8
111
Check 2: Are all clocks operating normally?
Reproduce DVD-REF-A1(GGV1018) Title 1.
Verify the circuit described in Figure
2
.
This check is the same for all DVD-V compatible modules.
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 loca-
tions 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 compo-
nents, in the vicinity of IC1506 (the section marked
2
in the circuit diagram).
Verification Verification
NO. location 1 location 2 Media Rated value 1 Rated value 2 Rated value 3
(contact
measurements)
1 CLK27 IC1502 99pin ALL 2.65V~VCC33 GND~0.65V 27MHz
±
50ppm
2 - IC1502 110pin DVD 2.65V~VCC33 GND~0.65V 36.8640MHz
±
IC1601 1pin 100ppm
3 - IC1502 110pin CD 2.65V~VCC33 GND~0.65V 33.8688MHz
±
IC1601 1pin 100ppm
4 - IC1400 100pin ALL 2.33~VCC33 GND~0.99V 33.8688MHz
±
100ppm
Rated value 1 Rated value 3
Rated value 2 GND
Clock rated values
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