Table Of Contents - Pioneer DEH-20UB Service Manual

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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SERVICE PRECAUTIONS ............................................................................................................................... 5
1.1 SERVICE PRECAUTIONS......................................................................................................................... 5
A
1.2 NOTES ON SOLDERING .......................................................................................................................... 5
2. SPECIFICATIONS ............................................................................................................................................ 6
2.1 SPECIFICATIONS...................................................................................................................................... 6
2.2 DISC/CONTENT FORMAT ........................................................................................................................ 9
2.3 PANEL FACILITIES .................................................................................................................................. 10
2.4 CONNECTION DIAGRAM ....................................................................................................................... 13
3. BASIC ITEMS FOR SERVICE........................................................................................................................ 14
3.1 CHECK POINTS AFTER SERVICING..................................................................................................... 14
3.2 PCB LOCATIONS .................................................................................................................................... 15
3.3 JIGS LIST ................................................................................................................................................ 16
3.4 CLEANING............................................................................................................................................... 16
4. BLOCK DIAGRAM.......................................................................................................................................... 18
B
4.1 BLOCK DIAGRAM ................................................................................................................................... 18
5. DIAGNOSIS.................................................................................................................................................... 21
5.1 OPERATIONAL FLOWCHART ................................................................................................................ 21
5.2 ERROR CODE LIST ................................................................................................................................ 22
5.3 CONNECTOR FUNCTION DESCRIPTION ............................................................................................. 24
6. SERVICE MODE ............................................................................................................................................ 25
6.1 DISPLAY TEST MODE ............................................................................................................................ 25
6.2 CD TEST MODE ...................................................................................................................................... 26
7. DISASSEMBLY............................................................................................................................................... 27
8. EACH SETTING AND ADJUSTMENT ........................................................................................................... 30
8.1 CD ADJUSTMENT................................................................................................................................... 30
C
8.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.................................................... 31
9. EXPLODED VIEWS AND PARTS LIST.......................................................................................................... 34
9.1 PACKING ................................................................................................................................................. 34
9.2 EXTERIOR (1) ......................................................................................................................................... 36
9.3 EXTERIOR (2) ......................................................................................................................................... 38
9.4 CD MECHANISM MODULE..................................................................................................................... 40
10. SCHEMATIC DIAGRAM ............................................................................................................................... 42
10.1 TUNER AMP UNIT(GUIDE PAGE) ........................................................................................................ 42
10.2 KEYBOARD UNIT.................................................................................................................................. 48
10.3 CD MECHANISM MODULE(GUIDE PAGE) .......................................................................................... 50
10.4 WAVEFORMS ........................................................................................................................................ 56
11. PCB CONNECTION DIAGRAM ................................................................................................................... 60
D
11.1 TUNER AMP UNIT................................................................................................................................. 60
11.2 KEYBOARD UNIT.................................................................................................................................. 64
11.3 CD CORE UNIT(S10.5COMP2-USB-C3) .............................................................................................. 66
12. ELECTRICAL PARTS LIST .......................................................................................................................... 68
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DEH-20UB/XS/UC
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