CONNECTOR
*
33
CANNON
INPUT
PCB
(
+ bl),(-b3)
SPEAKER TERMINALS
CONTROL PCB
(4),
(5), (6)
PEAK
INO
PCB
(8),
(9),
(10), (12),
(I
I)
R-CH
DRIVER
PCB
CONNECTOR
#
17
L-CH
DRIVER
PCB
CONNECTOR #
16
PREDRIVER
PCB
CONNECTOR
#
8
FAN
PCB
(14)
POWER
TRANS
"A"
VIA
FAN PCB
(12),
(10)
FAN
PCB
(13)
CHASSIS
GROUND
VIA
FAN
PCB
(I
l),(9)
To
POWER
TRANS
"B"
To
POWER
SUPPLY PCB
CONNECTOR
#
37
To
POWER
SUPPLY
PCB
CONNECTOR
#
31
B
Cannon
Input Circuit
Board Diagram
Bestuckungsplan
des
Cannon-Eingangs
Diagramme
de
la
plaquette d'entree
CANNON
To
PROTECTION
PCB
CONNECTOR #
28
To
CONTROL PCB
To
CONTROL
PCB
CONNECTOR
#
3
CONNECTOR
#
3
Portion
between
A
and
B
has
been modified
in
the units
with
the
Serial
No.
NB49071
or
over.
CONNECTOR
Note:
The
following
PC
board
assemblies used
in
the units
with
Serial
No. up
to
NB
49070
differ partially
from
the
PC
board diagrams
in
this
manual.
1.
Part of
Cannon
Input
Circuit
2.
Part of
Control
Circuit
3.
Predriver Circuit
The
actual
electrical circuits
of
these
PC
boards,
however,
have not been changed.
Therefore, to replace the
above
PC
board
assemblies,
those
utilized
in
the
units
with
Serial
No.
NB
49071
or
over
can be
attached.
C
I