1-8. TRIAX Interface System Adjustment
1-8-2. INCOM Deviation Adjustment1-8-3. PGM Deviation Adjustment
Rank:CRank:C
Equipment:Spectrum analyzer, Oscilloscope,Equipment:Spectrum analyzer, Oscilloscope,
Audio generatorAudio generator
To be extended:AU-231 boardTo be extended:AU-231 board
Preparations:Test point:TP51 (GND: E2)/AU-231 board
. INCOM 1 (PROD/ENG) switch/Preparations:
Camera rear panel ? OENG�1. Feed the 400 Hz sine wave to pin 57 (X), pin 56 (Y)
1. (For 4W intercom system)and pin 55 (GND)/extension board
Feed the 400Hz sine wave signal from the audio(extending AU-231).
generator to pin 66 (X), pin 65 (Y) and pin 67 (GND)/.Fig-2 (Refer to 1-1-4. Audio connection.)
extension board (extending AU-231).2. Adjust the output of audio generator so that the level at
.Fig-2 (Refer to 1-1-4. Audio connection.) TP451 (GND: E2)/AU-231 board is 200 mV p-p.
(For 2W intercom system)Adjustment point:1RV61 (PGM DEV)/AU-231 board
Feed the 400Hz sine wave signal from the audioSpecifications:A = B = 7.0 ?0.4 kHz
generator to pin 66 (X), pin 67 (GND)/extension board
(extending AU-231).AB
.Fig-1 (Refer to 1-1-4. Audio connection.)
2. Adjust the output of audio generator so that the level at
TP702 (GND: E3)/AU-231 board is 200 mV p-p.
Test point:TP31 (GND: E1)/AU-231 board
Adjustment point:1RV41 (INCOM 1 DEV)/
AU-231 board
Specifications:A = B = 6.0 ?0.4 kHz
AB
Image of waveform
CENT FREQ : 4.3 MHz
FREQ SPAN : 20 MHz
Image of waveform
CENT FREQ : 3.9 MHz
FREQ SPAN : 20 MHz
CCU-550A/550AP MMP21-35 (E) |
ACEC
