MECHANICAL ADJUSTMENTS
When the Tape Running Mechanism does not work well, adjust the following items.
1.Playback the VHS Alignment Tape (JG001C or JG001E).
(Refer to SERVICING FIXTURE AND TOOLS)
2.Confirm that the reflected picture of stamp mark is appeared on the tape prior to P4 Post as shown in Fig. 2-
a)When the reflected picture is distorted, turn the screw 1 clockwise until the distortion is disappeared.
b)When the reflected picture is not distorted, turn the screw 1 counterclockwise until little distortion is appeared, then adjust the a).
3.Turn the screw 2 to set the audio level to maximum.
4.Confirm that the bottom of the Audio/ Control Head and the bottom of the tape is shown in Fig.
c)When the height is not correct, turn the screw 3 to adjust the height. Then, adjust the 1~3 again.
Audio/Control Head
Reflected picture of
Stamp Mark
P4 Post
Stamp Mark
Fig.
Audio/Control Head
31
2
4
Fig.
Audio/Control Head
Tape
2-3: TAPE RUNNING ADJUSTMENT
(X VALUE ADJUSTMENT)
1.Confirm and adjust the height of the Reel Disk.
(Refer to item
2.Confirm and adjust the position of the Tension Post.
(Refer to item
3.Adjust the Guide Roller. (Refer to item
4.Confirm and adjust the Audio/Control Head.
(Refer to item
5.Connect
6.Playback the VHS Alignment Tape (JG001U or JG001V).
(Refer to SERVICING FIXTURE AND TOOLS)
7.Press and hold the
8.Set the X Value adjustment driver (JG153) to the 4 of Fig.
0.25±0.05mm
Fig.