Table Of Contents - Pioneer FX-MG9727ZT/UC Service Manual

5
CONTENTS
SAFETY INFORMATION......................................................................................................................................3
1. SPECIFICATIONS .............................................................................................................................................6
2. EXPLODED VIEWS AND PARTS LIST.............................................................................................................8
2.1 EXTERIOR(FX-MG9727ZT,MG9427ZT) ....................................................................................................8
2.2 EXTERIOR(FX-MG9327ZT) .....................................................................................................................10
2.3 CD MECHANISM UNIT(1)........................................................................................................................12
2.4 CD MECHANISM UNIT(2)........................................................................................................................14
2.5 CASSETTE MECHANISM MODULE .......................................................................................................16
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................19
3.1 BLOCK DIAGRAM....................................................................................................................................19
3.2 BLOCK DIAGRAM(FX-MG9727ZT) .........................................................................................................20
3.3 BLOCK DIAGRAM(FX-MG9427ZT,MG9327ZT).......................................................................................22
3.4 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)(FX-MG9727ZT)....................................................24
3.5 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) (FX-MG9427ZT,MG9327ZT) ................................30
3.6 KEYBOARD UNIT(FX-MG9727ZT,MG9427ZT) .......................................................................................36
3.7 KEYBOARD UNIT(FX-MG9327ZT) ..........................................................................................................38
3.8 CD MECHANISM MODULE(GUIDE PAGE) .............................................................................................40
3.9 CASSETTE MECHANISM MODULE .......................................................................................................50
4. PCB CONNECTION DIAGRAM ......................................................................................................................52
4.1 MAIN UNIT ...............................................................................................................................................52
4.2 KEYBOARD UNIT(FX-MG9727ZT,MG9427ZT) .......................................................................................56
4.3 KEYBOARD UNIT(FX-MG9327ZT) ..........................................................................................................58
4.4 CD MECHANISM MODULE .....................................................................................................................60
4.5 CASSETTE MECHANISM MODULE .......................................................................................................66
5. ELECTRICAL PARTS LIST .............................................................................................................................68
6. ADJUSTMENT ................................................................................................................................................87
6.1 CONNECTION DIAGRAM........................................................................................................................87
6.2 AUDIO, TUNER ADJUSTMENT ...............................................................................................................90
6.3 TEST MODE .............................................................................................................................................92
6.4 CD ADJUSTMENT ...................................................................................................................................93
6.5 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.....................................................95
6.6 TEST MODE(CD) .....................................................................................................................................97
6.7 AVC-LAN DIAGNOSIS MODE................................................................................................................101
7. GENERAL INFORMATION ...........................................................................................................................105
7.1 DIAGNOSIS............................................................................................................................................105
7.1.1 DISASSEMBLY....................................................................................................................................105
7.1.2 PCB LOCATIONS ................................................................................................................................110
7.1.3 CONNECTOR FUNCTION DESCRIPTION ........................................................................................111
7.2 PARTS ....................................................................................................................................................112
7.2.1 IC .........................................................................................................................................................112
7.2.2 DISPLAY ..............................................................................................................................................121
7.3 EXPLANATION .......................................................................................................................................122
7.3.1 SYSTEM BLOCK DIAGRAM ...............................................................................................................122
7.3.2 OPERATIONAL FLOW CHART ...........................................................................................................123
7.4 NOTES ON SERVICING ........................................................................................................................124
7.4.1 CLEANING ..........................................................................................................................................124
7.4.2 FACTORY SETTINGS .........................................................................................................................124
8. OPERATIONS ...............................................................................................................................................125
5
6
FX-MG9727ZT/UC
6
7
7
8
A
B
C
D
E
F
5
8