Drum Head Height Check - Sony GY-2120WD Maintenance Manual

5-9. Drum Head Height Check

5-9. Drum Head Height Check
Equipment
. Oscilloscope
. PC (IBM PC/AT compatible machine)
* For connection of a PC, refer to Section 5-1.
Tools
. Alignment tape YR2-1: 8-960-074-11
. GY-2120 control software (remo.exe)
Preparation
1. Turn the Power Off
2. Connect the Oscilloscope
CH-1: TP602/EQ-66 board (1/2 VD signal)
CH-2: TP202/EQ-66 board (REC AC ENV signal)
CH-3: TP100/EQ-66 board (REC AC SEL signal)
TRIG: TP602/EQ-66 board (1/2 VD signal)
3. Set the Alignment Tape
Set the YR2-1 and put a weight (about 1000 g)
on the cassette so that it does not rise up.
5-34
* Connection of the oscilloscope
CH-1: TP602/EQ-66 board (1/2 VD signal)
CH-2: TP202/EQ-66 board (REC AC ENV signal)
CH-3: TP100/EQ-66 board (REC AC SEL signal)
TRIG: TP602/EQ-66 board (1/2 VD signal)
<EQ-66 board, side A>
Preparation
TP602
TP202
TP100
GY-2120WD/WS