STR-DH730, STR-DH830 - Sony Audio Service Manual (repair manual). Page 4

US

4-408-555-0[]

CND

4-408-555-1[]

AUS, ECE

4-408-555-2[]

MX

4-408-555-5[]

•  Abbreviation

 AUS : 

Australian 

model

  CND  : Canadian model

  ECE  : Continental European, East European and 

   

  Russian models

  MX  : Mexican model
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.

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)

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.

The components identifi ed by mark 9 contain confi dential

information.

Strictly follow the instructions whenever the components are

repaired and/or replaced.
Notice pour composants spéciaux

Les composants identifi és par la marque 9 contiennent des

informations confi dentielles.

Suivre scrupuleusement les instructions chaque fois qu’un com-

posant est remplacé et / ou réparé.
NOTE OF REPLACING THE IC4100 ON THE USB BOARD

IC4100 on the USB board cannot exchange with single. When this 

part on the USB board is damaged, exchange the entire mounted 

board.
NOTE OF REPLACING THE IC2106 ON THE DIGITAL

IC2106 on the DIGITAL board cannot exchange with single. 

When this part on the DIGITAL board is damaged, exchange the 

entire mounted board.
NOTE OF REPLACING THE IC3500 AND IC3501 ON THE 

IC3500 and IC3501 on the D-VIDEO board cannot exchange 

with single. When these parts on the D-VIDEO board are damaged,
exchange the entire mounted board.

MICOM (IC2105) ON DIGITAL BOARD SERVICE POSITION
•  In checking the MICOM (IC2105) on the DIGITAL board, 

prepare a set of extension jigs (A-1825-238-A) which consists 
of two extension cables.