3
FX-MG8517ZT,MG8817ZT
-
CD Player Service Precautions
1. Never attempt to turn on this unit when the CD drive
mechanism is upside down. Doing so could cause
damage or malfunction to the drive mechanism.
2. For pickup unit(CXX1313) handling, please refer
to"Disassembly"(see page 91).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
3. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
4. Please checking the grating after changing the ser-
vice pickup unit(see page 79).
1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.
CONTENTS
1. SAFETY INFORMATION ............................................3
2. EXPLODED VIEWS AND PARTS LIST .......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...14
4. PCB CONNECTION DIAGRAM ................................38
5. ELECTRICAL PARTS LIST ........................................64
6. ADJUSTMENT..........................................................75
7. GENERAL INFORMATION .......................................81
7.1 DIAGNOSIS .......................................................81
7.1.1 TEST MODE.............................................81
7.1.2 SELF-DIAGNOSTIC FUNCTION..............87
7.1.3 DISASSEMBLY ........................................91
7.1.4 PCB LOCATIONS .....................................97
7.1.5 CONNECTOR FUNCTION DESCRIPTION ..98
7.2 PARTS ................................................................99
7.2.1 IC ..............................................................99
7.2.2 DISPLAY.................................................103
7.3 EXPLANATION................................................104
7.3.1 SYSTEM BLOCK DIAGRAM .................104
7.3.2 OPERATIONAL FLOW CHART ..............105
8. OPERATIONS AND SPECIFICATIONS...................106
Summary of Contents for FX-MG8517ZT/UC
Page 4: ...4 FX MG8517ZT MG8817ZT 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR 1 2 C S R ...
Page 6: ...6 FX MG8517ZT MG8817ZT 2 2 EXTERIOR 2 2 A B Q ...
Page 8: ...FX MG8517ZT MG8817ZT 8 2 3 CD MECHANISM F E K H I L J M G D ...
Page 11: ...FX MG8517ZT MG8817ZT 11 ...
Page 12: ...12 FX MG8517ZT MG8817ZT 2 4 CASSETTE MECHANISM MODULE O P N ...
Page 37: ...37 FX MG8517ZT MG8817ZT 5 6 7 8 A B C D 5 6 7 8 Q A MAIN UNIT ...
Page 40: ...40 FX MG8517ZT MG8817ZT A 1 2 3 4 B C D 1 2 3 4 A A MAIN UNIT ...
Page 41: ...41 FX MG8517ZT MG8817ZT 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Page 43: ...43 FX MG8517ZT MG8817ZT 1 2 3 4 A B C D 1 2 3 4 B FM AM TUNER UNIT SIDE B B ...
Page 45: ...45 FX MG8517ZT MG8817ZT 1 2 3 4 A B C D 1 2 3 4 A CN804 C SIDE B C KEYBOARD PCB ...
Page 47: ...47 FX MG8517ZT MG8817ZT 1 2 3 4 A B C D 1 2 3 4 CD CORE UNIT SERVO UNIT E SIDE B E ...
Page 49: ...49 FX MG8517ZT MG8817ZT 1 2 3 4 A B C D 1 2 3 4 CD CORE UNIT STS UNIT G SIDE B G ...
Page 51: ...51 FX MG8517ZT MG8817ZT 1 2 3 4 A B C D 1 2 3 4 1 41 G CN801 G MOTOR PCB A F F SIDE B ...
Page 53: ...53 FX MG8517ZT MG8817ZT 5 6 7 8 A B C D 5 6 7 8 M M4 CARRIAGE 1 12 E CN301 D ...
Page 61: ...61 FX MG8517ZT MG8817ZT 1 2 3 4 A B C D 1 2 3 4 CONTROL UNIT Q SIDE B Q ...
