1-1
SECTION 1
SERVICE NOTE
DSC-P41/P43
1-2. DISCHARGING OF THE ST-098
BOARD’S CHARGING CAPACITOR
(C852)
The charging capacitor (C852) of the ST-098 board is charged up to
the maximum 300 V potential.
There is a danger of electric shock by this high voltage when the
capacitor is handled by hand. The electric shock is caused by the
charged voltage which is kept without discharging when the main
power of the unit is simply turned off. Therefore, the remaining
voltage must be discharged as described below.
Preparing the Short Jig
To preparing the short jig, a small clip is attached to each end of a
resistor of 1 k
Ω
/1 W (1-215-869-11).
Wrap insulating tape fully around the leads of the resistor to prevent
electrical shock.
1 k
Ω
/1 W
Wrap insulating tape.
Discharging the Capacitor
Short-circuit between the positive and the negative terminals of
charged capacitor with the short jig about 10 seconds.
1-1. NOTE FOR REPAIR
Make sure that the flat cable and flexible board are not cracked of
bent at the terminal.
Do not insert the cable insufficiently nor crookedly.
Cut and remove the part of gilt
which comes off at the point.
(Be careful or some
pieces of gilt may be left inside)
When remove a connector, don’t pull at wire of connector.
It is possible that a wire is snapped.
When installing a connector, don’t press down at wire of connector.
It is possible that a wire is snapped.
R:1 k
Ω
/1 W
(Part code:
1-215-869-11)
Capacitor
ST
-095
ST
-098
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Страница 20: ...Schematic diagrams of the CH 146 and SY 101 boards are not shown Pages from 4 9 to 4 26 are not shown ...
Страница 28: ...Printed wiring boards of the CH 146 and SY 101 boards are not shown Pages from 4 39 to 4 42 are not shown ...
Страница 33: ...Mounted parts location of the CH 146 and SY 101 boards are not shown Pages 4 50 and 4 51 are not shown ...
Страница 45: ...DSC P41 P43 58 Sony EMCS Co 2004D0500 1 2004 4 Published by DI Technical Support Section 9 876 743 31 ...
Страница 47: ...Revision History 987674331 pdf Reverse Ver 1 0 Date 2004 04 History Official Release Contents S M Rev issued ...