Precautions For Mechanism And Head Assembly Handling - Philips DCC170/00 Service Manual

PRECAUTIONS FOR MECHANISM AND HEAD ASSEMBLY HANDLING
(1) Connect your wrist strap to the unit's GND or to the grounding post of a measuring instrument
you are using.
To protect the head assembly from magnetic or electrostatic damage, be sure to wear the wrist
strap whenever replacing the head assembly or handling the PC boards.
(21
(3)
Resistor
(1 MO)
o When using the instrument's GND terminal
for measurement, insert the power cord plug
so that it GND side is connected to the
ground side of the power source.
When disconnecting the head FPC from the Mechanism P.C.B., installa shorting clip on the FPC to protect it
from magnetic or electrostatic damage.
r Use a ceramic screwdriver for all head replacement and adjustment.
. Keep magnetized metallic screwdrivers away from the head assembly, as they may damage the
head's magnetic properties.
Ceramic screwdriver
(HOZAN D-281, @ No. 0)
Measuring Instrument
(Ex:Distortion Factor Meter)
t.
,. GND terminal
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Wrist strap
(Anti - static bracelet)
ShortinQ clip
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Be sure to short this position.
(Use the shorting clip.)
)
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Household AC Outlet
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PCS 79 264
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