Check (Eng Cancel); Setting After Adjustment - Sony HXCU-100 Service Manual

Check (ENG CANCEL)

1. Set the INTERCOM switch on the front panel to ENG.
2. Connect a 200-ohm resistor between pin e10 (CN1
side) and pin C10 of the extended board.
3. Input a sine wave (1 kHz, 220 mV p-p (_20 dBu)) to
pin 2 (X), pin 1 (Y), and pin 3 (G) of the INTERCOM
connector from the audio oscillator.
4. ENG CANCEL check
Equipment: Oscilloscope
Test Point: TP530 (C-4)/SY364 board
Adjusting Point: 1RV531 (ENG RTS CANSEL)/
SY-364 board
Specifi cation:
There must be a point where "B" becomes the
minimum within the range (60 degrees) shown in
the fi gure.

Setting after Adjustment

After this adjustment is completed, set the switch and CCU
menu to the previous state.
6-4 (E)
Audio oscillator
600 Ω
GND
60º
30º 30º
SY-364 board
INTERCOM connector
(Front panel)
5 1
2
4
3
B
HXCU-100