3
CDX-GT61UI/GT610UI
•
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*), 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 ..................................................................... 6
3. DISASSEMBLY
3-1. Sub Panel (FL-U) Assy.................................................... 11
3-2. CD Mechanism Block ..................................................... 11
3-3. Main Board ...................................................................... 12
3-4. Servo Board ..................................................................... 12
3-5. Chassis (T) Sub Assy ....................................................... 13
3-6. Roller Arm Assy .............................................................. 13
3-7. Chassis (OP) Assy ........................................................... 14
4. DIAGNOSIS FUNCTION........................................ 15
5. DIAGRAMS
5-1. Block Diagram –Main Section– ...................................... 19
5-2. Block Diagram –Display Section– .................................. 20
5-3. Printed Wiring Board –Main Section– ............................ 22
5-4. Schematic Diagram –Main Section (1/4)– ...................... 24
5-5. Schematic Diagram –Main Section (2/4)– ...................... 25
5-6. Schematic Diagram –Main Section (3/4)– ...................... 26
5-7. Schematic Diagram –Main Section (4/4)– ...................... 27
5-8. Printed Wiring Board –Key Section– .............................. 28
5-9. Schematic Diagram –Key Section– ................................. 29
6. EXPLODED VIEWS
6-1. Main Section.................................................................... 35
6-2. Front Panel Section ......................................................... 36
6-3. CD Mechanism Section (MG-101U-188//Q) .................. 37
7. ELECTRICAL PARTS LIST .................................. 38
Ver. 1.1
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