STR-DA6400ES - Sony Audio Service Manual (repair manual). Page 4

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STR-DA6400ES
4
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 
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.
MODEL  IDENTIFICATION
PART No.
– Back Panel –
NOTE  OF  REPLACING  THE  IC3511,  IC3513,  IC3514,  
IC3601  AND  IC3606  ON  THE  D VIDEO  BOARD
IC3511, IC3513, IC3514, IC3601 and IC3606 on the D VIDEO 
board cannot exchange with single. When these parts on the D 
VIDEO board are damaged, exchange the entire mounted board.
NOTE  OF  REPLACING  THE  IC5002  AND  IC5202  ON  
THE  DSP  BOARD
IC5002 and IC5202 on the DSP board cannot exchange with sin-
gle. When these parts on the DSP board are damaged, exchange the 
entire mounted board.
NOTE  OF  REPLACING  THE  IC8001,  IC8005  AND  
IC8013  ON  THE  NETWORK  BOARD
IC8001, IC8005 and IC8013 on the NETWORK board cannot ex-
change with single. When these parts on the NETWORK board are 
damaged, exchange the entire mounted board.
NETWORK  BOARD  DISCRIMINATION
In this set, the NETWORK board has been changed in the midway 
of production. Repair after distinguishing each type set to doing 
the repair referring to the following.
Note: Refer to NETWORK board (Suffi x-13) for AEP and UK models.
– NETWORK Board (Component Side) –
Suffix-12  : 1-876-590-12
Suffix-13  : 1-876-590-13
Ver. 1.3
Model
Part No.
US model
3-296-122-4[]
AEP and UK models
3-296-122-6[]
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