Sony SRW-5000, Руководство по обслуживанию, Страница: 365 / 438

6-35
SRW-5000/5500
Preparation
6-10. AT Head Position Check and Adjustment
Precautions
.
The CTL head position adjustment should be completed before performing this
adjustment. The AT head position is adjusted relative to the CTL head position as
reference.
.
The AT head position adjustment is closely related to the head height adjustment,
head azimuth adjustment, and head-to-tape contact adjustment. Be sure to adjust
(or check) these related portions according to “After the Adjustment” in this
section after adjusting the AT head position.
Tools
.
Alignment tape HR2-1B: 8-960-076-41
.
Oscilloscope (Tektronix TDS3054B or equivalent)
Preparation
1. Set the Alignment Tape
(1) Turn off the power.
(2) Set the alignment tape HR2-1B, 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: TP400/TC-104 board (CTL PB signal)
CH-2: TP102/TC104 board (TC PB signal)
TRIG: TP200/SS-95 board (SV REF signal)
Oscilloscope setting:
CH-1: 0.5 V/DIV
CH-2: 0.2 V/DIV
TIME: 10 ms to 500
µ
s/DIV
CH-1 : TP400/TC-104 board (CTL PB signal)
CH-2 : TP102/TC-104 board (TC PB signal)
TRIG : TP200/SS-95 board (SV REF signal)
<TC-104 board, side A>
4 3 2 1
A
B
.
Connection of the oscilloscope
TP400
TP102
<SS-95 board, side A>
A B C D E F G H J K L M N P
1
TP200