Sansui FR 1080 Service Manual

Page 2

.lililillllllllillll|IIIll|illlilllllllliilllllIIIIHIIIIIIIIIIIIIIIIIIJlliliilllilllllllliIllllI|IllllillllilIllllllillllillill|llIIllillllllllllIIllllllllllllililllilllllillillllllllliiilllllilillIIIII
Notice:

In this service manual, some parts have three types,_A, B & C in same

parts No. as shown in Parts List. Each type can 'be identified from
Mark on the carton case as Fig. 1.

TYPE A .................. Ell-1080
TYPE B .................. FR-1080E
TYPE C: ................. FR-1080P '
Type Mark Fig. 1

' Type A No mark"
Type B Mark ®
Type C Mark (B ChuckJ-Jgfirm:

*When ordering parts, please use parts name and the stock No. referring
to Parts List. '

llllllllillll||lllililliiillllllllllll||l||||l||||IIIIIIIIIIIIIIIIIIIIIIIII||||Illllllllllilllllll|IIIIIilllilillllilllllllllllllllllll|illllllllillllllllll||Ill||llllIIIIIHIIIIIIIIIIIIIIIIIIIIIIIIIIII

TABLE OF CONTENTS

Section M P_ag_e

1. SPECIFICATIONS ................................................ 2
2. OPERATION OF AUTO MECHANISM ............................ 3
3. ADJUSTMENTS. . . . . . . . . ......................................... 3

3-1. Adjusting the Auto Return .................................. 3

3-2. Adjusting the Height of Tonearm Lifter ...................... 3
4. PACKING LIST .................................................. 4
5. ACCESSORY PARTS LIST ...................................... 4
6. PARTS LOCATIONS 8. PARTS LISTS .......................... 5, 6

Page 4

2. OPERATION OF AUTO
MECHANISM

1) in case that tonearm is left off the arm rest, the PU
plate will leave from micro-switch, then the turn-
table will be automatically switched ON so that the
platter will start rotating.

2) At the moment when the stylus reaches lead-out
groove, Auto-lever linked with PU plate starts push-
ing Reject-lever toward center of the platter.

3) As soon-as the stylus reaches lead-out groove, turn-
table spindle gears into main-gear so that the main-
gear starts rotating.

4) When the main gear starts rotating, the Auto-lever
will be pushed outward by see-saw lever located
under Return cam. -

Therefore,the tonearm will automatically return to
arm rest.

5) While playing a disk, tonearm lifter keeps down

gradually because the tip end of see-saw lever
moves down in sloped concave A (See Fig. 2-1) on
the backside of main gear.
On the other hand, when the tonearm is on its rest,
the lifter keeps up completely (6~12mm: space bet-
ween record and stylus) because the tip end of
see-saw lever is on the most shallow concave B.

Fig. 2-1

Main Gear

.>

Fig. 2-2

lead-out
groove

lead-o ver
groo ve

modulated groove

lead-in groo ve

3. ADJUSTMENTS
3-1. Adjusting the Auto Return

1) The adjusting screw in Fig. 3-1 is one to adjust the
position of Auto Return when stylus reaches lead-
out groove.

2) Make adjustment of the screw in such a way that
stylus lifts up automatically around the middle way
of lead-out groove.

Namely turn the adjusting screw clockwise is for
leading and counterclockwise is for lagging.

3) After adjusting the screw properly, check its opera-
tion a few times.

*Apply the locking paint in place to the screw after
adjustment.

Fig. 3-1
PU Plate Ass'y

Adjusting Screw

3-2. Adjusting the Height of Tonearm
Lifter

1) The adjusting screw in Fig. 3-2 is one to adjust the
height of tonearm lifter.

2) Place a disk (record) on turntable, then switch the
tonearm lifter lever to PLAY. if stylus does not come
down completely on a disk, turn the screw counter-
clockwise.

3) When tracing, switch tonearm lifter lever to LIFT.

If the stylus does not lift up completely from a disk,
turn the screw clockwise.

4) After adjustment of it, check its operation a few

times.
*Apply the locking paint in place to the screw after
adjustment.
Fig. 3-2
See-saw Lever

Adjusting Screw

Tonearm Lifter
[Lever Ass'y