DAV-DS1000, SA-IR1000 - Sony DVD Service Manual (repair manual). Page 3

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3
SA-IR1000
SECTION 1
SERVICING NOTES
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 
0
 OR DOTTED LINE WITH
MARK 
0
 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
PUBLISHED BY SONY.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
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 flow) 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.
DVD player :
DVX-DS1000
DVD player : DVX-DS1000
Sub woofer :
SA-WS1000
Sub woofer : SA-WS1000
Tuner :
ST-DS1000
Tuner : ST-DS1000
Front speaker :
SS-IF1000
Front speaker : SS-IF1000
Center speaker :
SS-CT1000
Center speaker : 
SS-CT1000
Rear speaker :
SS-IR1000
Rear speaker : SS-IR1000
Remote 
commander :
RM-SS1000/
SS1000B
Remote commander :
RM-SS1000/SS1000B
Units required for
operation
check
Unit. 
need to 
checking
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
*
1
*
1
*
2
*
1  Only the defective unit.  
*
2  Either one of them.
Units with 
a
 mark: The units that are required for the system operation check during repair service
However, there can be a case that some units of the system need to not be brought into repair shop depending on the unit. that became defective. 
• The units that are required for the system operation check during repair service
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