Sony GY-8240UWD Maintenance Manual page 191

. TG-3 height adjustment/slant guide slantness adjustment
Confi head
. TG-4 height adjustment
(only when the specification is not satisfied in REV x 10 mode and VAR x _1/30 mode)
<Unthreading end mode>
GY-8240UWD
GY-8240FC
TG-3 (Exit guide)
Adjustment plate
TG-4 (Threading roller)
Tape Running Adjustment at Drum Exit Side
4-3. Tape Running Adjustment
Slant guide
B3 x 12
4-11