Threading End Mode And Unthreading End Mode - Sony SRW-5000 Maintenance Manual

5-1-2. Threading End Mode and Unthreading End Mode

1. Threading End Mode
Threading end mode means that the threading ring rotates counterclockwise, then stops.
There are two ways of putting the unit into the threading end mode with the cassette
compartment taken off the unit.
Method 1 (When power on) :
(1) Display the SERVO CHECK menu.
(HOME menu → [SFT] + [DIAG] → [SFT] + [F8] → [F4] → SERVO
CHECK menu.)
(For the SERVO CHECK menu, refer to Section 3-3-4.)
(2) Using [F7] (THREAD MOTOR), put the unit into the threading end state.
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The unit will return to the unthreading end state when exiting [F7] (THREAD
MOTOR).
Method 2 (When power off) :
(1) Release the lock of the board holder and open the AE-31H board in the arrow
direction.
(2) Turn the M gear of the gear box assembly in the direction of the arrow A.
AE-31H board
Holder
TG-6
TG-4
Capstan
Pinch roller
TG-5 (Threading roller)
TG-1 (S tension regulator)
TG-0
5-4
AT erase head
AT head TG-3 (Exit guide)
M gear
A
Full erase head
Tape cleaner
Threading End Mode
TG-7
TG-8 (T tension regulator)
TG-2
CTL head
TG-9
TG-10 Slant guide
SRW-5000/5500