CDX-GT517EE - Sony Car Audio Service Manual (repair manual). Page 3

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3
CDX-GT517EE
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.
• CD Playback
You can play CD-DA (also containing CD TEXT*) and CD-R/
CD-RW (MP3/WMA/AAC files also containing Multi Session)
and ATRAC CD (ATRAC3 and ATRAC3plus format).
Type of discs
Label on the disc
CD-DA
MP3
WMA
AAC
ATRAC CD
* A CD TEXT disc is a CD-DA that includes information such as disc,
artist and track name.
TABLE OF CONTENTS
1.
SERVICE NOTE
........................................................
4
2.
GENERAL
Location of Controls ........................................................
5
Connections .....................................................................
5
3.
DISASSEMBLY
3-1.
Sub Panel Assy ................................................................
8
3-2.
CD Mechanism Block .....................................................
8
3-3.
Main Board ......................................................................
9
3-4.
Servo Board .....................................................................
9
3-5.
Chassis (T) Sub Assy ....................................................... 10
3-6.
Roller Arm Assy .............................................................. 10
3-7.
Chassis (OP) Assy ........................................................... 11
4.
DIAGNOSIS FUNCTION
........................................ 12
5.
DIAGRAMS
5-1.
Block Diagram –Main Section– ...................................... 15
5-2.
Block Diagram –Display Section– .................................. 16
5-3.
Printed Wiring Board –Main Section– ............................ 17
5-4.
Schematic Diagram –Main Section (1/3)– ...................... 18
5-5.
Schematic Diagram –Main Section (2/3)– ...................... 19
5-6.
Schematic Diagram –Main Section (3/3)– ...................... 20
5-7.
Printed Wiring Board –Sub Section– .............................. 21
5-8.
Schematic Diagram –Sub Section– ................................. 22
5-9.
Printed Wiring Board –Key Section– .............................. 23
5-10. Schematic Diagram –Key Section– ................................. 24
6.
EXPLODED VIEWS
6-1.
Main Section .................................................................... 30
6-2.
Front Panel Section ......................................................... 31
6-3.
CD Mechanism Section (MG-101FA-188//Q) ................ 32
7.
ELECTRICAL PARTS LIST
.................................. 33
Ver. 1.1
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