At Head Height Check And Adjustment - Sony SRW-5000 Maintenance Manual

6-7. AT Head Height Check and Adjustment

Precaution
The AT head height adjustment is closely related to the azimuth adjustment, head-
to-tape contact adjustment, and head position adjustment.
Be sure to adjust (or check) these related portions according to "After the Adjust-
ment" in this section after adjusting the AT head height.
Tools
. Alignment tape HR2-1A: 8-960-076-11
. Oscilloscope (Tektronix TDS3054B or equivalent)
Preparation
1. Set the Alignment Tape
(1) Turn off the power.
(2) Set the alignment tape HR2-1A and put a
weight (about 1 kg) onto it.
(3) Turn on the power.
2. Connect the Oscilloscope
Connect the oscilloscope as follows:
CH-1: TP300/AE-31H board (CUE signal)
Oscilloscope setting:
CH-1: 200 mV/DIV
TIME: 5 ms/DIV
SRW-5000/5500
. Connection of the oscilloscope
CH-1 : TP300/AE-31H board (CUE signal)
<AE-31H board, side A>
F E D C
6
5
TP300
4
3
2
1
B A
Preparation
6-27