Sony EVO-720P - ATF 40 Check (SE-7 P Board) - 313

8-1,
POWER
SUPPLY
BLOCK
ADJUSTMENT
82.
SERVO
SYSTEM
ADJUSTMENT
B11.
UNSW
BV
Adjustment
(Power
Supply
Block)
8-2-1.
DS
Clock
Check
(SE-7P
Board)
Mode
Standby
(power
OFF)
|
Ee
Stop
Measurement
Point
ae
of
CNOO6
on
IG-1
eisnal
a
{
Measuring
Instrument
|
Digital
voltmeter
Measurement
Point
|
(4.43.
pin
@
of
1C204)
siete
Bene
[
Bet
ic
to
|
Se
es
Adjusting method :
)
Adjust
to
5.30.1
Vde
with
RV203
8-1-2,
REG
5V
and
REG
9V
Adjustment
(Power
Supply
Block)
Mode
Measuring Instrument
REG 5V adjustment
Stop (power ON) ]
Digital voltmeter
ee
Pin © of CNO06 on IG-1
board
RV202
Measurement Point
——______]
Adjusting Element
Specified Value
REG 9V_ adjustment
A Pin ® of CNO06 on IG-1
Measurement Point board
Adjusting
Element
[RV201
Specified Value 9.00.1 Vde
Se
i
djusting method :
)
Adjust
to
the
specified
values
corresponding
adjusting
elements,
with the
1-3,
Power
Supply
Voltage
Check
(I1G-1P
Board}
Mode
Stop
(power
ON)
|
Measuring
Instrument
|
Digital
voltmeter
‘|
DIGITAL
8V
check
|
deasurement
Point
Pin
®
of
CNO06
5.2+0.2 Vde
specified Value
tEG —9V check
feasurement Point
pecified Value
YRIVE 9V_ check
Teasurement Point
pecified Value
Pin @ of CNo06
~9.0£0.1 Vde
Pin @ of CNO06
9.0+0.2 Vde
ecking method :
Confirm
that
each
power
supply
voltage
is
with
inthe specified value,
Level: 2.5 Vp-p and over
Specified
Value
Frequency:
44324004300
Hz
|
Checking method :
1)
Confirm
that
oscillation
frequency
and
level
are
within the spécified values,
8-22, ATF fo Check (SE-7P Board)
Pin @ of TOR06
Measuring
Instrument
|
Oscilloscope
and
frequency
counter
Specified Value
Checking method :
1)
Confirm
that
oscillation
frequency
and
level
are
within the specified values, -
Level: 4 Vp-p and over
Frequency ;
585937543000 Hz
—313—