Threading End Mode And Unthreading End Mode - Sony GY-8240UWD Maintenance Manual

3-1. General Information for Parts Replacement

3-1-3. 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: With the power turned on, activate DIAG mode operating the PC and
execute CH01: Threading Motor Check, then put the unit into the
threading end state. (Refer to Section 5-4-13.)
Method 2: Turn the M gear of the gear box assembly in the direction of the arrow
A with the power turned off.
M gear
TG-5
CONFI head
Pinch roller
TG-4
(Threading roller)
TG-1 (S tension regulator)
3-4
CTL/TC erase head
CTL/TC head TG-3 (Exit guide)
A
Tape cleaner
TG-0
Threading End Mode
TG-6 TG-8 (T tension regulator)
TG-7
Capstan TG-2
Full erase head
TG-9
TG-10 Slant guide
GY-8240UWD
GY-8240FC