Sony EVO-720P - Periodic Check and Maintenance; Cleaning of Tape Path

7-2. PERIODIC CHECK AND MAINTENANCE
Please perform the following periodic checks and
maintenence in order to obtain optimum set function
and performance, and to keep the mechanism and
tape in good condition. Also, perform the maintenance
below after repair, regardless of the length of time
the set has been used by the user,
7-2-1, Cleaning of Rotary Drum Assembly
1) Press a chamois cloth (Ref. No, J-2) soaked in
cleaning fluid (Ref. No, J-1) lightly against the
rotary drum assembly, and slowly rotate the
rotary upper drum assembly counterclockwise by
hand to clean,
Note: Do not use the power supply to rotate the
motor, and do not rotate the motor clockwise
by hand,
Also, there is a danger of damaging the head
tip if the chamois cloth is moved vertically
relative to the head tip (up/down direction
of drum), so please follow the instruction
above for cleaning.
No.5 guide
\
Capstan shaft
No.3 guide
No.8 guide
No.1 guide
No.2 guide No.7 guide
No.4 guide
7-2-2. Cleaning of Tape Path
1) Place the cassette compartment’ assembly. in
EJECT state, and clean the tape path system (No.1
to No.11 guides, capstan shaft, pinch roller) with
a chamois cloth soaked in “cleaning fluid, (See
Fig. 7-4.) i
7-2-3, Cleaning of Drive System
1) Clean the drive system (timing belt, surface of
reef tables) with a chamois cloth soaked in
cleaning fluid,
No.11 guide
No.9 guide
id
NOS suide 113 40 guide
(Olea)
Fig. 7-4.
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