Sony XAV-60 - 6.1 Inch Avc, Руководство по обслуживанию

Страница: 19 / 93

XA
V
-60/E60
XA
V
-60/E60
19
19
SER
VO SECTION
If any of the following parts was replaced, perform the “IOP Check” as mentioned below
.
•
Optical pick-up block (chassis (OP
, ZA) complete assy)
•
Complete SER
VO board
Precaution Use the following tools and measuring devices. •
DVD test disc
TDV
-540C (Part No. J-2501-235-A)
•
CD test disc P
A
TD-012 (Part No. 4-225-203-01)
•
Digital voltmeter
•
Accessory remote commander RM-X170
IOP
CHECK
Connection:
SER
VO board
TP51 (IOPDVD), TP47 (IOPCD)
TP63 (D3.3V)
+ –
digital voltmeter
Procedure: 1.
Check the IOP
value of DVD and CD by label on the optical
pick-up.
DVD IOP
value
CD IOP
value
Optical Pick-up Label:
"
2.
Connect a digital voltmeter to
TP51 (IOPDVD) and
TP63
(D3.3V) on the SER
VO board.
3.
Playback the DVD test disc (TDV
-540C), and make a note of
the value of digital voltmeter
.
4.
Divide the measured voltage value by 1, and convert it into current value.
5.
Check
that
the
calculated
value
is
within
±6
mA
to
the
IOP
value given on the label.
6.
Connect
a
digital
voltmeter
to
TP47
(IOPCD)
and
TP63
(D3.3V) on the SER
VO board.
7.
Playback the CD test disc (P
A
TD-012), and make a note of the
value of digital voltmeter
.
8.
Divide the measured voltage value by 1, and convert it into current value.
9.
Check
that
the
calculated
value
is
within
±6
mA
to
the
IOP
value given on the label.
TP63
(D3.3V)
TP51
(IOPDVD)
TP47
(IOPCD)
– SER
VO Board (Side B) –
Check Location: