Table Of Contents - Pioneer DJM-850-K Service Manual

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CONTENTS
SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 5
1.1 NOTES ON SOLDERING ............................................................................................................................................... 5
1.2 NOTES ON REPLACING ............................................................................................................................................... 5
1.3 NOTES ON SERVICING................................................................................................................................................. 5
2. SPECIFICATIONS................................................................................................................................................................. 6
3. BASIC ITEMS FOR SERVICE .............................................................................................................................................. 7
3.1 CHECK POINTS AFTER SERVICING ........................................................................................................................... 7
3.2 JIGS LIST ....................................................................................................................................................................... 7
3.3 PCB LOCATIONS ........................................................................................................................................................... 8
4. BLOCK DIAGRAM .............................................................................................................................................................. 10
4.1 OVERALL WIRING DIAGRAM ..................................................................................................................................... 10
4.2 AUDIO SYSTEM BLOCK DIAGRAM ............................................................................................................................ 12
4.3 DSP BLOCK DIAGRAM................................................................................................................................................ 14
4.4 POWER BLOCK DIAGRAM ......................................................................................................................................... 16
5. DIAGNOSIS ........................................................................................................................................................................ 18
5.1 POWER ON SEQUENCE............................................................................................................................................. 18
5.2 TROUBLESHOOTING.................................................................................................................................................. 20
5.3 POWER SUPPLY DIAGNOSIS INFORMATION ........................................................................................................... 31
5.4 VOLTAGE MONITORING CIRCUIT .............................................................................................................................. 32
5.5 ABOUT POLYSWITCH ................................................................................................................................................. 34
5.6 ABOUT PROTECTOR .................................................................................................................................................. 35
5.7 V+34D DIAGNOSIS...................................................................................................................................................... 36
5.8 ERROR INDICATIONS ................................................................................................................................................. 37
5.9 CONNECTION CHECK WITH EACH INTERFACE ...................................................................................................... 38
5.10 HOW TO CONFIRM THE DVS SIGNAL ROUTE ....................................................................................................... 39
5.11 IC INFORMATION ...................................................................................................................................................... 43
6. SERVICE MODE ................................................................................................................................................................. 56
6.1 TEST MODE................................................................................................................................................................. 56
6.2 ABOUT THE DEVICE................................................................................................................................................... 71
7. DISASSEMBLY ................................................................................................................................................................... 72
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 84
8.1 NECESSARY ITEMS TO BE NOTED........................................................................................................................... 84
8.2 UPDATING OF THE FIRMWARE ................................................................................................................................. 84
8.3 USER SETABLE ITEMS ............................................................................................................................................... 87
8.4 SHEET FOR CONFIRMATION OF THE USER SETTING ........................................................................................... 87
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 88
9.1 PACKING SECTION ..................................................................................................................................................... 88
9.2 EXTERIOR SECION..................................................................................................................................................... 90
9.3 BOTTOM SECTION...................................................................................................................................................... 92
9.4 CONTROL PANEL SECTION (1/2)............................................................................................................................... 94
9.5 CONTROL PANEL SECTION (2/2)............................................................................................................................... 96
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 98
10.1 INPUT ASSY (1/5) ...................................................................................................................................................... 98
10.2 INPUT ASSY (2/5) .................................................................................................................................................... 100
10.3 INPUT ASSY (3/5) .................................................................................................................................................... 102
10.4 INPUT ASSY (4/5) .................................................................................................................................................... 104
10.5 INPUT ASSY (5/5) .................................................................................................................................................... 106
10.6 MIC1 and MTRM ASSYS ......................................................................................................................................... 108
10.7 MAIN ASSY (1/19).................................................................................................................................................... 110
10.8 MAIN ASSY (2/19).................................................................................................................................................... 112
10.9 MAIN ASSY (3/19).................................................................................................................................................... 114
10.10 MAIN ASSY (4/19).................................................................................................................................................. 116
10.11 MAIN ASSY (5/19).................................................................................................................................................. 118
10.12 MAIN ASSY (6/19).................................................................................................................................................. 120
10.13 MAIN ASSY (7/19).................................................................................................................................................. 122
10.14 MAIN ASSY (8/19).................................................................................................................................................. 124
10.15 MAIN ASSY (9/19).................................................................................................................................................. 126
10.16 MAIN ASSY (10/19)................................................................................................................................................ 128
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DJM-850-K
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