Sony DNW-A100 Maintenance Manual page 463

(1) Cassette tape without lid
Disassembly the cassette tape, and take off
the cassette lid, lock links and springs shown
in the figure.
(2) Cassette tape with holding lid
Open the cassette lid (2) while pushing the
lock knob (1) and fix the cassette lid using
an adhesive tape (3).
When setting the cassette tape or the alignment
tape on the VTR, put it to the cassette supports on
the mechanical deck. And then, put a weight on
the cassette so that it does not rise up. The weight
about 1000 g is suitable.
5. Tracking Control
The method of the tracking control in the playing back mode is described below.
(1) Set a cassette tape and put a weight on the cassette so that it does not rise up.
Weight about 1000 g is suitable.
(2) Press the PLAY button, then the tape is played back.
(3) Press S100 switch on the SS-63 board more than 1 sec..
In this state, RV100 variable resistor on the SS-63 board becomes the tracking
control volume (and the LED D112 lights).
When the EJECT button is pressed or S100 switch on the SS-63 board is pushed
more than 1 sec. after adjustment, the tracking control is fixed.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
Cassete lid
Spring
Lock link
Screws
Cassette lid
2
1
Lock knob
7-1. Tape Path Adjustment
Upper case
Spring
Lock links
Screws
3
7-3