Option Installation
Page 5-22
Owner’s Manual
TVM450/S/TVM550/S/TVM550II/TVM550IIS
Specifications
Input Level:
+18 dBm maximum to prevent hard clipping
Approaches 0 dBm (100% modulation)
Output Level
Limits at –2 dBm to 0 dBm
Level Freeze Trigger
–18 dBm decrease at input; hold for 0.5 hr
High to Low: 10 sec (approx.)
Response Time
Low to High: 1 sec (approx.)
Level Sensing
True RMS power detection.
AGC Option Installation
AGC Option Parts Needed
•
1
AGC2000 Option Package
•
1
AGC2000 PC Board Assembly
•
3
Plastic Standoffs
•
1
Instruction Sheet
CAUTION
Always use antistatic protection when installing the AGC PC board assem-
bly. Contact with foreign substances may cause damage to components.
1. Prior to this installation, make sure the DSG2000B digital stereo generator
option has been installed properly and is operating.
2. Disconnect power, and remove all cables attached to the rear panel.
3. Remove the top cover of a unit that contains at least one DSG2000 digital
stereo module.
a. Remove the front mounting handles.
b. Remove the screws from the side panel toward the rear of the unit.
c. Remove the cover screw from the rear panel.
4. See Figure 5-17, and remove all jumpers from P14 on the audio PC board
assembly in the chassis.
5. Insert the three standoffs, as shown, into the audio PC board assembly.
6. Carefully line up the three connectors on the solder side of the AGC PC
board assembly with the pins on the corresponding connectors on the audio
PC board assembly. Also make sure that the standoffs line up with the holes
in the audio PC board assembly, and press the AGC PC board assembly
into place on the top of the standoffs.
