DJM-800
4
12
34
12
3
4
C
D
F
A
B
E
CONTENTS
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING SECTION .................................................................................................................................. 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 CONTROL PANEL SECTION .................................................................................................................. 10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................12
3.1 OVERALL BLOCK DIAGRAM_1.............................................................................................................. 12
3.2 OVERALL BLOCK DIAGRAM_2.............................................................................................................. 14
3.3 OVERALL WIRING DIAGRAM................................................................................................................. 16
3.4 INPUT ASSY (1/6) ................................................................................................................................... 18
3.5 INPUT ASSY (2/6) ................................................................................................................................... 20
3.6 INPUT ASSY (3/6) ................................................................................................................................... 22
3.7 INPUT ASSY (4/6) ................................................................................................................................... 24
3.8 INPUT ASSY (5/6) ................................................................................................................................... 26
3.9 INPUT ASSY (6/6) ................................................................................................................................... 28
3.10 MIC 1 ASSY ........................................................................................................................................... 30
3.11 PANEL 1 ASSY ...................................................................................................................................... 32
3.12 TRIM1 to TRIM 4 ASSYS ....................................................................................................................... 36
3.13 MAIC 2 ASSY ........................................................................................................................................ 37
3.14 PANEL 2 ASSY ...................................................................................................................................... 38
3.15 CHFD 1 to CHFD 4 and CRSFD ASSYS............................................................................................... 40
3.16 DIGIA ASSY........................................................................................................................................... 41
3.17 DSP ASSY (1/3)..................................................................................................................................... 42
3.18 DSP ASSY (2/3)..................................................................................................................................... 46
3.19 DSP ASSY (3/3)..................................................................................................................................... 50
3.20 OUTPUT ASSY (1/3) ............................................................................................................................. 54
3.21 OUTPUT ASSY (2/3) ............................................................................................................................. 56
3.22 OUTPUT ASSY (3/3) ............................................................................................................................. 58
3.23 DIGIC ASSY .......................................................................................................................................... 60
3.24 DIGIB ASSY........................................................................................................................................... 64
3.25 HPAMP ASSY ........................................................................................................................................ 66
3.26
HPJACK ASSYS .................................................................................................................................... 68
3.27
ACSW ASSY.......................................................................................................................................... 69
3.28 SW POWER SUPPLY UNIT................................................................................................................... 70
3.29 VOLTAGES ............................................................................................................................................. 72
3.30 WAVEFORMS ........................................................................................................................................ 78
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 84
4.1 INPUT ASSY............................................................................................................................................ 84
4.2 PANEL 1 ASSY ........................................................................................................................................ 88
4.3 TRIM 1 to TRIM 4 and ACSW ASSYS ..................................................................................................... 92
4.4 MIC1 and MIC2 ASSYS ........................................................................................................................... 94
4.5 CHFD1, CHFD2, CHFD3 and CHFD4 ASSYS ........................................................................................ 95
4.6 PANEL 2 and DIGIA ASSYS .................................................................................................................... 96
4.7 DSP ASSY ............................................................................................................................................. 100
4.8 OUTPUT ASSY...................................................................................................................................... 104
4.9 CRSFD, DIGIC and SLSW ASSYS........................................................................................................ 108
4.10 DIGIB ASSY......................................................................................................................................... 112
4.11 HPAMP and HPJACK ASSYS.............................................................................................................. 114
5. PCB PARTS LIST ......................................................................................................................................... 116
6. ADJUSTMENT ............................................................................................................................................. 123
7. GENARAL INFORMATION ........................................................................................................................... 124
7.1 DIAGNOSIS ........................................................................................................................................... 124
7.1.1 TEST MODE .................................................................................................................................... 124
7.1.2 REWRITING THE FIRMWARE........................................................................................................ 133
7.2 POWER ON SEQUENCE ...................................................................................................................... 146
7.3 DISASSEMBLY ...................................................................................................................................... 147
7.4 IC INFORMATION.................................................................................................................................. 152
8. PANEL FACILITES ....................................................................................................................................... 167
9. ROTARY VOLUME KIT (DJC-800RV)........................................................................................................... 172
9.1 PACKING SECTION .............................................................................................................................. 172
9.2 EXTERIOR SECTION............................................................................................................................ 173
9.3 SCHEMATIC DIAGAM ........................................................................................................................... 174
9.4 DISASSEMBLY ...................................................................................................................................... 175