Read Sony SCD-XB790 Service Manual online
SCD-XB790
19
19
– MAIN Board (Component Side) –
TP506
(FE)
TP513
(TE)
TP504
(AVC)
TP704
(AGND) TP703
(RFAC)
TP514
(RFCK)
TP517
(WFCK)
TP808 (DG)
IC703
IC701
IC509
IC801
CLV Jitter Check (CD only)
Connection:
Checking Method:
Under the condition of RF level check mode in step 3, connect the
oscilloscope to the TP516 (RFCK) (CH1), TP517 (WFCK) (CH2),
and the TP808 (DG) (GND) on the MAIN board to check that the
value A of the waveform satisfies the specification.
Under the condition of RF level check mode in step 3, connect the
oscilloscope to the TP516 (RFCK) (CH1), TP517 (WFCK) (CH2),
and the TP808 (DG) (GND) on the MAIN board to check that the
value A of the waveform satisfies the specification.
Note:
Take care not to leave the test disc in the set.
Specified Value:
Disc
A
PATD-012 or
35
µ
sec or less
YEDS-18
Checking and Connecting Location:
A
CLV jitter waveform
MAIN board
TP516 (RFCK)
TP517(WFCK)
TP808 (DG)
+
+
–
oscilloscope
(CH2)
(CH1)
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