Grass Valley 8910ADA-M - Manual (Page 51)

8910ADA-M/ST/SR — Instruction Manual 51
Functional Description
8910ADA-SR
Refer to the block diagram in Figure 23 while reading the following func-
tional description for the 8910ADA-SR module.
Figure 23. 8910ADA-SR Block Diagram
8156-09r1
Balanced
Inputs
Hard-wired
Potentiometers
Regulated
Power Supplies
Output Amp
Boost Supplies
Processor
PWR
OVR FAULT
Output
1
Output
2
Digital volume
control
(0.5 dB resolution)
Digital volume
control
(0.5 dB resolution)
Channel 1
Output Amps
Channel 2
Output Amps
+
+
- -
COMM CONF
1
Present
2
Present
Input 2
Input 1
+
+
-
Gain
(fine)
+/- 6dB range
Gain
Up
Down
1
2
2
-
0.1 dB
Gain
Trim
0.1 dB
Gain
Trim
Analog
Processing
&
A/D
Balance
(fine)
Balance
2
2
2
3