ICD-UX71, ICD-UX71F, ICD-UX81, ICD-UX81F, ICD-UX91F - Sony Audio Service Manual (repair manual). Page 2

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ICD-UX71/UX71F/UX81/UX81F/UX91F
2
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.
NOTES  ON  CHIP  COMPONENT  REPLACEMENT
•  Never reuse a disconnected chip component.
•  Notice that the minus side of a tantalum capacitor may be dam-
aged 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.
Dimensions (w/h/d) (not incl.
projecting parts and controls) (JEITA)*
5
34.4 
× 99.0 × 13.4 mm
Mass (JEITA)*
5
Approx. 48 g including NH-AAA rechargeable 
battery
*
5
 Measured value by the standard of JEITA
  (Japan Electronics and Information
 Technology 
Industries 
Association)
Supplied accessories
Design and specifi cations are subject to
change without notice.
IC Recorder (1)
Remove the film on the display window
before you use the IC recorder.
NH-AAA (size AAA) rechargeable
battery (1) 
(AEP, E, Chinese, Korea model)
Stereo headphones (1)
USB connection support cable (1)
Carrying case (1)
Battery case (1) 
(AEP, E, Chinese, Korea model)
CD-ROM (1)
(The operating instructions are stored as 
PDF files.) (AEP, E model)
Operating Instructions
Ver. 1.1
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