File name PVAccel.pdfCassette Mechanism
Semi-auto Cassette
Mechanism Operation Description
AR-2
Technical Support Section, Quality Promotion Department, Audio Division
Contents
page
Mechanism bottom view and part names ... 1
Mechanism top view and part names ... 2
Drive system... 3
Operation of the main gear from the stop mode to the play mode ... 4
Switching between forward and reverse during the play mode ... 5
Operation of the forward/reverse lever and forward/reverse rod ... 6
Operation of the main gear and forward/reverse lever... 6
Head switching operation/Pinch roller switching operation... 7
Operational relationship between head substrate and main gear ... 8
Reel base mode switching operation
(stop, forward-play, and reverse-play modes) ... 9
Relationship between take-up arm, main gear,
and reel base gears (during play mode) ... 10
Reel base switching mode (fast-forward, rewind, and stop modes) ... 11
Eject operation (stop mode) ... 12
Eject operation (cassette cover open) ... 13
Block diagram ... 14
Timing chart ... 15
Fast Forward (FF) and Rewind (REW) ... 16
Assembly of parts at top of mechanism ...17 ~ 19
Assembly of parts at bottom of mechanism ... 20 ~ 23
Mechanism bottom view and part names
Switch substrate
13 Take-up lever
7 Plunger (solenoid)
3 Trigger lever
6 Fast-forward 12 Thrust spring
relay gear
2
4 Trigger lever spring 10 Take-up belt
|