Mackie D8B, Service Manual

Page: 64 / 125

113-3
CODEC BOARD 113 REV B
©1998 Mackie Designs Inc. All rights reserved
POINT E
SEE TABLE
ABOVE
Sheet 3 of 4
IC
PARTS RANGE EXAMPLE
U52
Shown below
IN THE 10'S R55, U54
R155, C154
R255, C254
U152
IN THE 100'S
U252
IN THE 200'S
REFERENCE DESIGNATORS AND LABEL DIFFERENCES BETWEEN BUSSES
U352
U52 U152 U252 U352
IN THE 300'S R355, C354
POINT C POINT D
BUS-2 BUS-2 GND
POINT E
DT1
POINT A POINT B
BUS-1 BUS-1 GND
BUS-4 BUS-4 GND DT2 BUS-3 BUS-3 GND
BUS-6 BUS-6 GND DT3 BUS-5 BUS-5 GND
BUS-8 BUS-8 GND DT4 BUS-7 BUS-7 GND
PARTS A
L1, C108
L5, C118
PARTS B
L2, C98
L6, C100
PARTS C
L3, C117
L7, C119
PARTS D
L4, C99
L8, C103
L9, C120
L13, C125
L10, C104
L14, C106
L11, C121
L15, C126
L12, C105
L16, C107
U51
J11
J13
U151 U251 U351
THIS CIRCUIT IS REPEATED FOUR TIMES.
THE REF DESIGNATORS AND LABEL
DIFFERENCES BETWEEN THE FOUR CIRCUITS
ARE SHOWN IN THE TABLE ABOVE