Specifications

3-6
3.4 Check and Set Jumpers
Next, check the following jumpers located on each circuit card. The factory settings
for each jumper are shown in [brackets].
Cat. No. 661 Optical Pre-amplifier Card
(Analog Soundtracks)
CAT.NO. 661
PROJECTOR 2
PROJECTOR 1
POWER-UP PROJECTOR
J2
SELECT JUMPER
DS503
PROJ 1
DS501
SIG1
GND
SIG 2
PROJ 2
Figure 3 - 4.
Cat. No. 661.
J2 Power-up Projector Select (Wake-up state) [P1]
This jumper determines which projector is selected when power is first
applied to the CP500. When J2 is set to “P1”, Projector 1 is selected at
power up. When J2 is set to “P2”, Projector 2 is selected at power up. The
jumper is set to "P1" at the factory.
Cat. No. 681 Analog Switch Card
CAT.NO. 681
ONOFF
PHANTOM MIC POWER
J3
FOR EQ MIC
CW
CW
NONSYNC1 L
NONSYNC1 R
CW
CW
NONSYNC2 R
NONSYNC2 L
EQ MIC
CW
SIG MIC
RV2100
RV1100
CW
DS100
DS200
R135
RV201
RV101
R235
RV200
RV100
J2
L1100
C63
IC6
IC9
IC7
IC8
C64
Figure 3 - 5.
Cat. No. 681.
J3 Equalization Microphone Phantom Power [OFF]
This jumper enables a phantom power source for theater equalization
microphones which require phantom power to operate. When the jumper is
set to the “ON” position, phantom power (15V) is supplied to the EQ
microphone jack and the rear panel microphone connector.