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Servicing Notes - Sony TA-SA300WR Service Manual

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UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
Strong viscosity
Unleaded solder is more viscous (sticky, less prone to fl ow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
ADVANCE PREPARATION WHEN CONFIRMING OP-
ERATION
When the operation of the TA-SA300WR is confi rmed, it is nec-
essary to communicate the set of main unit, TA-SA300WR and
EZW-RT50.
Confi rm the main unit with wireless connection, TA-SA300WR
and EZW-RT50 are prepared beforehand when you repair.
CHECK THE STATUS OF LINK/STANDBY INDICATOR
Operation condition can be confi rmed by the LINK/STANDBY
indicator status.
– Front view –
LINK/STANDBY
LINK/STANDBY indicator
Indicator
Status
Turns green.
The system is turned on,
wireless transmission is
activated and surround signals
are being received.
Turns orange.
The system is turned on,
wireless transmission is
activated with the Secure Link
function, and surround signals
are being received.
Flashes green
The wireless transceiver is not
quickly.
inserted correctly into the
wireless transceiver slot.
Flashes green
Wireless transmission is
or orange
deactivated.
slowly.
Turns red.
The surround amplifier is in
standby mode while the system
is in standby mode or wireless
transmission is deactivated.
Turns off.
The surround amplifier is
turned off.
Flashes red.
The surround amplifier's
protection is active.
SECTION 1

SERVICING NOTES

MODEL IDENTIFICATION
– Back Panel –
US model
Canadian model
AEP, Italian and UK models
Australian model
L
IMPEDANCE USE
3-16
SPEAKERS
EZW-RT50
SECURE LINK
Part No.
Model
Part No.
4-208-364-0[]
4-208-364-1[]
4-208-364-2[]
4-208-364-7[]
TA-SA300WR
Ver. 1.1
R
3

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