SS-CT1200D, SS-GN1200D, SS-RSX1200D, SS-WGV1200D - Sony Audio Service Manual (repair manual). Page 3

Read Sony SS-CT1200D / SS-GN1200D / SS-RSX1200D / SS-WGV1200D Service Manual online

SS-CT1200D/GN1200D/RSX1200D/WGV1200D
3
2
3
A
1
B
C
SUBWOOFER
LEVEL
SUBWOOFER
ON/OFF
HCD-GN1200D
SWPANEL BOARD  
11
(11)
1-872-864-
E
0dB
-3dB
-6dB
-12dB
1
4
Q1400
R1405
R1406
JR1400
D1400
C1400
CN1400
JR1402
C1401
R1401
R1402
R1403
R1404
S1400
SW1400
1-1.  PRINTED  WIRING  BOARD  (SS-WGV1200D)
SECTION  1
DIAGRAMS

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 viscou-s (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.
For Printed Wiring Boards.

Note:
• 
X  : Parts extracted from the component side.
• 
 : Pattern from the side which enables seeing.
  (The other layers' patterns are not indicated.)
•  Indication of transistor.
C
B
These are omitted. 
E
Q

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