Sony GY-2120WD Maintenance Manual page 223

Digital information recorder
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Confirmation
5. Turn the Power On.
6. Blank tape recording
Activate the remo.exe software and record a
signal on the blank tape. (REC mode)
7. CH ERASE output level adjustment
Maximize the CH ERASE output level using
1LV701 on the EQ-66 board.
8. After adjustment is completed, check
that a CH ERASE signal satisfies the
specification.
GY-2120WD/WS
A
Level A = 400 ±80 mVp-p
Frequency 42 ±4 kHz
CH ERASE Signal Check
5-10. CH ERASE Signal Check
5-37

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