CONTENTS
Major Operating Controls and Their Functions...................................................................................................... 1
Self Check Procedure.............................................................................................................................. 13
Wiring Diagram .......................................................................................................................................................... 21
Block Diagram
Overall Block Diagram.............................................................................................................................................. 22
Main Board (CPU Section) ....................................................................................................................................... 23
Main Board (Panel Control CPU Section)................................................................................................................. 24
Main Board (DSP Section-1) .................................................................................................................................... 25
Main Board (DSP Section-2) .................................................................................................................................... 26
Main Board (Audio Interface Section)....................................................................................................................... 27
AD/DA Board (1/2).................................................................................................................................................... 28
AD/DA Board (2/2).................................................................................................................................................... 29
Fader Drive Board (1/2)............................................................................................................................................ 30
Input Switch Board/Fader Drive Board (2/2)............................................................................................................. 31
HA Board and INS Board.......................................................................................................................................... 32
Monitor VR/HP/TB Boards........................................................................................................................................ 33
EFX Board ................................................................................................................................................................ 34
Block Diagram .......................................................................................................................................................... 35
Level Diagram........................................................................................................................................................... 36
Schematic Diagram
Monitor VR/HP/TB Boards........................................................................................................................................ 38
Bus Relay Board....................................................................................................................................................... 39
Power-1/Power-2 Boards.......................................................................................................................................... 41
HA Board and INS Board.......................................................................................................................................... 44
EFX/Meter Board...................................................................................................................................................... 45
Fader Drive Board .................................................................................................................................................... 47
Input Switch Board.................................................................................................................................................... 50
AD/DA Board (2/3).................................................................................................................................................... 52
AD/DA Board (3/3).................................................................................................................................................... 53
AD/DA Board (1/3).................................................................................................................................................... 54
Main Board (1/4)....................................................................................................................................................... 55
Main Board (2/4)....................................................................................................................................................... 56
Main Board (3/4)....................................................................................................................................................... 57
Main Board (4/4)....................................................................................................................................................... 58
WR-MTBR ................................................................................................................................................................ 59
WR-TNDM ................................................................................................................................................................ 62
WR-TDIF................................................................................................................................................................... 63
WR-SMPT................................................................................................................................................................. 66
WR-AESS................................................................................................................................................................. 67
WR-ADAT................................................................................................................................................................. 70
Conductor View
Monitor VR/HP/TB Boards........................................................................................................................................ 37
Bus Relay Board....................................................................................................................................................... 40
Power-1/Power-2 Boards.......................................................................................................................................... 42
HA Board and INS Board.......................................................................................................................................... 43
EFX/Meter Board...................................................................................................................................................... 46
Fader Drive Board .................................................................................................................................................... 48
Input Switch Board.................................................................................................................................................... 49
AD/DA Board ............................................................................................................................................................ 51
Main Board ............................................................................................................................................................... 57
WR-MTBR ................................................................................................................................................................ 60
WR-TNDM ................................................................................................................................................................ 61
WR-TDIF................................................................................................................................................................... 64
WR-SMPT................................................................................................................................................................. 65
WR-AESS................................................................................................................................................................. 68
WR-ADAT................................................................................................................................................................. 69
Exploded View
WR-DA7.................................................................................................................................................................... 71
WR-MTBR ................................................................................................................................................................ 72
WR-TNDM ................................................................................................................................................................ 73
WR-TDIF................................................................................................................................................................... 74
WR-SMPT................................................................................................................................................................. 75
WR-AESS................................................................................................................................................................. 76
WR-ADAT................................................................................................................................................................. 77
Replacement Parts List............................................................................................................................................. 78