ST-HSOO
MODEL IDENTIFICATION
-Model
Number
Label-
MODEL
NO
ST-H500
FM
STEREO/FM-AM TUNER
• Power
su
pply
for service
AEP,
UK,
Model : (AE)
ltarian (IT) Model: (IT)
Since this machine has
no
power source in itself, the power
is
supplied form AMP TA-H500 used for this series.
As shown in the following table, this machine requires 4types of voltage, and supplying each type of voltage
separately makes complicated connections.
Accordingly, make connection with TA-H500
at
time of service, such as electrifying repair.
AC
3.9V
FL-tube filament voltage
DC
-24V
Display controller
IC701,
grid voltage
DC
5V
Display controller
IC701,
V cc
DC
13V
PLL control voltage
• Service mode for checking the timer ON/OFF
1)
Connect with AMP T A-H500 and set the power switch of TA-H500 to the state of STANDBY.
2)
Set the time of tuner to a proper time (any time).
3)
Press 3 switches simultaneously, namely, PRESET
1
0,
6
0 and O BAND.
4)
FL-tube display
1 All lamps lighting 1
t 1 sec.
10:
23
1
t
0.5
sec.
10:
24
1
t
0.5
sec.
Last channel
1 -
POWER
ON
5)
End
t 3 sec.
0:
00
- POWER OFF
SAFETY-RELATED
COMPONENT
WARNING!!
COMPONENTS
IDENTIFIED
BY
MARK
Lß
OR
DOTTED
LINE
WITH
MARK
Lß
ON
THE
SCHEMATIC
DIAGRAMS
AND
IN
THE
PARTS
LIST
ARE
CRITICAL
TO
SAFE
OPERATION.
REPLACE THESE COMPONENTS
WITH
SONY
PARTS WHOSE
PART
NUMBERS APPEAR AS
SHOWN
IN
THIS
MANUAL
OR
IN
SUPPLEMENTS PUB-
LISHED
BY
SONY.
-2-
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