Read Sony DSX-MS60 Service Manual online
DSX-MS60
3
SECTION 1
SERVICING NOTES
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
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
• 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.
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
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.
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.
also be added to ordinary solder.
NOTE FOR THE 16-PIN CONNECTOR (CN901)
Do not use alcohol to clean the 16-pin connector (CN901) connect-
ing the front panel with the main body.
Do not touch the connector directly with your bare hand. Poor con-
tact may be caused.
Do not use alcohol to clean the 16-pin connector (CN901) connect-
ing the front panel with the main body.
Do not touch the connector directly with your bare hand. Poor con-
tact may be caused.
NOTE FOR CHECKING THE MAIN BOARD
If removing the MAIN board from the chassis to check it sepa-
rately without attaching the front panel, hold the detach detection
switch (S501) ON by using tape or the like, and then start opera-
tions.
If removing the MAIN board from the chassis to check it sepa-
rately without attaching the front panel, hold the detach detection
switch (S501) ON by using tape or the like, and then start opera-
tions.
S501
tape
– MAIN board (component side) –
NOTE FOR REPLACEMENT OF THE AUX JACK (J901)
To replace the AUX jack requires alignment.
1. Insert the AUX jack into the front panel.
2. Place the KEY board on the front panel and align the terminals
To replace the AUX jack requires alignment.
1. Insert the AUX jack into the front panel.
2. Place the KEY board on the front panel and align the terminals
of the AUX jack with the holes in the KEY board.
3. Solder the three terminals of the jack.
KEY board
AUX jack
front panel
NOTE FOR WHEN REPLACING THE COMPLETE
MAIN BOARD OR IC502
Tuner presets and EQ setting values set by the user are written to
IC502 mounted on the MAIN board.
Please be aware that these settings will be lost when the MAIN
board or IC502 is replaced.
(Once repair has been completed, inform the customer that the
tuner presets and EQ setting values have been deleted)
Tuner presets and EQ setting values set by the user are written to
IC502 mounted on the MAIN board.
Please be aware that these settings will be lost when the MAIN
board or IC502 is replaced.
(Once repair has been completed, inform the customer that the
tuner presets and EQ setting values have been deleted)
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