2-81
EQ
Downward
Expander
EQ
Fader
SURROUND
LOGIC
Left
Left Surround
Right Surround
Subwoofer
Optical
level
Mag/digital
level
A
A
on/off
INPUTS
OUTPUTS
CP50
CP
200
B11
A16
A5
EQ
Right
A13
B3
B5
Downward Expander
A9
A10
opt Le
opt Re
opt Le
n/c
n/c
CP50
CP 200
P6
Downward
Expander
B/E
Mono
Mag
A
Subwoof
TRUTH TABLE
LOGIC INPUTS
SWITCHES ON
NR
SR•D
high
low
high
xx
x
x
x
x
x
x
x
x
x
x
none
none
none
x
x
x
high
low
low
high
low
low
high
low
low
high
low
low
high
high
low
low
low
low
high
high
A
B
C
C
on
on
off
off
level range
P2
+
not D
D
CP50 (non SR•D)
CP50 (SR•D)
CP200
Fader
Rs level
P1
Rs level range
CP50
CP200
B7
Subwoofer controls
A-C
on/off
B13
A20
A4
B21
B/E (CP200)
GND (CP50)
Mono
Mag A (CP200)
Open (CP50)
Low for SR•D
S1
Surround controls
D, not D
P3
Surr
Mode
SW
B12
B10
Lt out
Rt out
+
+
+
180 Hz
180 Hz
20 kHz
50 Hz
100 Hz
SUBWOOFER
L opt
R opt
Le
mag
Re
mag
SR•D
Test
B
C
A
P4
A17
B18
A1
B1
A6
A7
spare
100 Hz
P5
TP4
B17
A12
A5
Fader
CP50
CP200
Fader
Law
Figure 2.17 Cat. No.560 Block Diagram
