Sony DNW-A100 Maintenance Manual page 97

Digital video hybrid recorder

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Main adjustment / OXIDE C

4. Enter A33 : DM VR 2.

5. Connect the oscilloscope's CH-2 input to TP7/DM-89

(C-1). GND: E702/DM-89(D-1)

6. Adjust the level at 6 MHz (NTSC) or 7 MHz (PAL)

using 2 MHz as the reference.

A33 : DM VR 2 : MAIN OXIDE-C-A

Specification: B = +1.2 ± 0.5 dB

7. Set the data of "MAIN OXIDE-C-B" in A33 : DM VR

2 to the identical data value as "MAIN OXIDE-C-A".

8. To exit A33 : DM VR 2, press the MENU button once.

DNW-A100/A50/A45

DNW-A100P/A50P/A45P

A(*)MAG: 1 dB

A(*)MAG: 1 dB

3-8. Analog Betacam PB System Alignment

Sub adjustment / OXIDE C

9. Enter A34 : DM VR 3.

10. Connect the oscilloscope's CH-2 input to TP6/DM-89

(D-1). GND: E702/DM-89(D-1)

11. Adjust the level at 7 MHz using 2 MHz as the refer-

A34 : DM VR 3 : SUB OXIDE-C-A

Specification: C = +11.0 ± 0.5 dB

12. Set the data of "SUB OXIDE-C-B" in A34 : DM VR 3

to the identical data value as "SUB OXIDE-C-A".

13. To exit A34 : DM VR 3, press the MENU button once.

14. Disconnect the shorting clip from TP5/DM-89(D-1).

DM-89 Board (Side A)

3-8-5. Cosine Equalizer Adjustment

A(*)MAG: 2 dB

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Dnw-a100p Dnw-a50 Dnw-a50p Dnw-a45 Dnw-a45p