
REPLACEMENT OF A/C (Audio/Control)
HEAD
Remove the cassette housing control assembly.
Place the unit in the unloading mode, and
unplug the power cord.
l
Removal
Loosen the tilt adjusting screw
Remove the azimuth adjusting screw
Remove the A/C head screw
Unsolder the A/C head
soldered to the
head assembly.
Notes:
After replacement, be sure to perform the
adjustment of the tape drive train (see page
Under any circumstances, avoid touching the
head. Clean the head, if touched with your
finger, with alcohol.
Take care that the azimuth spring does not fly
off when removing the A/C head screw.
4
Pay attention to
Figure
l
Replacement
Solder the removed A/C head
onto a new
A/C head assembly.
The A/C head assembly is attached so that the
A/C head arm and
head plate are roughly
parallel to each other.
Solder
New
head
Never touch the head
Figure
l
Adjustment
[A/C head tilt angle]
Set the mechanism to the loading mode.
Place the A/C head tilt adjusting Jig
3 Slowly turn the tilt adjusting screw with a
screw driver until there is no gap between the Jig
and the A/C head.
A piece of white paper
1
head arm
Screw driver
Figure
Summary of Contents for VT-3418X
Page 54: ...VT 341 8X VT 51 18X is z 0 Y Y c U T J 2 c 4 54 ...
Page 61: ...VT 341 8X VT 51 18X TROUBLESHOOTING OF TV SECTION I I I I 1 I I I I I I I ___ I iiE I b z 61 ...
Page 74: ...m 3418X i T 5118X VCJ AV UNIT 7 I 8 I 9 I 10 I 11 I 12 I 74 ...
Page 76: ...VT 341 8X VT 5118X VCJ AV UNIT I 7 I 8 I 9 I 10 I 11 I 12 1 76 ...
Page 78: ...PWB B V I D E O CHROMA J U N G L E 7 I 8 I 9 I 10 I 11 I 12 I 78 ...
Page 80: ...PWE 8 I 1 V I D E O CHROMA JUNGLE hr r I 7 I 8 I 9 I 10 I 11 I 12 I 80 ...
Page 86: ...VT 341 8X VT 5118X 7 I 8 I 9 I 10 I 11 I 12 I 86 ...
Page 88: ...rr J I I TUNER w2o1 m ...
Page 89: ...n 3 30 ...
Page 90: ...VT 341 8X VT 5118X VCJ AV UNIT DUNTK830 I WEV3 I I I m c I 7 I 8 I 9 I 10 1 11 I 12 I 90 ...
Page 92: ... VT 341 8X VT 51 18X DUNTK8302WEV 1 DUNTK8303WEV I I 7 I 8 I 9 I 10 I 11 I 12 I 92 ...
Page 94: ...VT 341 8X VT 5118X DUNTK8302WEV3 DUNTK8303WEV3 7 I 8 I 9 I 10 I 11 I 12 I 94 ...
Page 97: ... _ _ _ __ D I m I n I t3 I m I n I GI I I 1 ...
Page 98: ...Memo _ a _ _ 98 ...
Page 102: ...I REC I w r I I I CAPSTAN FG 7 I 8 I 9 I 10 I 11 I 12 1 102 ...
Page 106: ...CASSETTE SW REC TIP I ED M I I II DFfwPG I I I I I I I I I I I I ...
Page 110: ...VT 341 8X I VT 5118X 1 J 7 I 8 I 9 I 10 I 11 I 12 I 110 ...
Page 112: ...VT 341 8X I T 5118X 1 WAVEFORMS 112 ...
Page 115: ...SCHEMATIC DIAGRAM n VCR Main Unit r 7 I 1 I 2 I 3 I 4 I 5 I 6 115 ...
Page 119: ...D I c9 I n I u I m I n I GI I I I ...
Page 123: ...D I a I n I u I m I n I GI I I I ...
Page 124: ...11 I 12 I ...
Page 126: ...J l J I i _ _ _ ___ I _ _ n f f 7 I 8 I 9 I 10 I 11 I 12 126 ...
Page 152: ...VT 341 8X VT 5118X MECHANISM CHASSIS PARTS 152 ...
Page 155: ...H G F E D C B A CASSETTE HOUSING CONTROL PARTS 1 I 2 I 3 I 4 I 5 I 6 I 155 ...
Page 157: ...MECt 1 I 2 I 3 I 4 I 5 I 6 157 ...
Page 158: ...VT 341 8X VT 51 18X I I 7 I 8 I 9 I 10 I 11 I 12 I 158 ...
Page 161: ...H G F E D C B A VT 341 8X VT 5118X 1 2 I 3 I 4 I 5 I 6 161 ...
Page 162: ...VT 341 8X VT 51 18X I I 7 I 8 I 9 I 10 I 11 I 162 12 I ...
Page 163: ... 1 DEL VT 3418X CABINET AND MECHANICAL PARTS 0 II I L e e m I w F J 1 I 2 I 3 I 4 I 5 I 6 163 ...
Page 164: ... ...
Page 169: ...Memo m 169 ...
Page 170: ...S H A R P T98 19 S Printed in Japan 0 w s MW KD ...