Page 1
SHARP
MANUAL
In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used.
I
INDEX TO CONTENTS
Page
SPECIFICATIONS.. .............................................................................................. 2
NAMES OF PARTS ............................................................................................. 2
................................................................................................. 2
ADJUSTMENT ................................................................................................... 3
SCHEMATIC DIAGRAM/WIRING SIDE OF
.......................................... 3
EXPLODED VIEW.. .............................................................................................. 4
REPLACEMENT PARTS LIST.. ...........................................................................
SHARP CORPORATION
Page 2
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE
REFER TO THE OPERATION MANUAL.
SPECIFICATIONS
Type:
Speed:
Motor:
output:
Frequency response:
Tracking force:
Cartridge:
Replacement stylus:
Dimensions:
Weight:
Belt drive, semi automatic
and 45 rpm
DC motor
90 mV
kHz, 50
20
20,000
Hz
Dynamic balanced straight tonearm
Magnetic type (CART-1 55)
STY-l 55
Width; 430 mm
Height; 100 mm
6”)
Depth; 340 mm
2.0
kg (4.4 Ibs.)
Specifications for this model are subject to change without prior notice.
NAMES OF PARTS
1.
17 cm
EP Record
Adaptor
2. Turntable Platter
3. Centre Spindle
4. Tonearm
5. Tonearm Rest
6. Cartridge
7.
Cue Lever
8. Speed Selector Switch
9. Cut Button
2
Figure 2-l
DISASSEMBLY
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I
Caution on Disassembly
Follow the below-mentioned notes when disassembling the
unit and reassembling it,
to
keep its safety and excellent
performance:
1. Take record out of the unit.
2. Be sure to remove the power supply plug from the
SC-6900A before starting to disassemble the unit.
3. Take off nylon bands or wire holders where they need
be removed when disassembling the unit. After servicing the unit, be sure to rearrange the leads where they
were before disassembling.
Turntable
I
Figure 2-2
Belt..
.................
Screw ................
1x9
Bottom Board
Figure 2-3
Page 3
REPLACEMENT PARTS LIST
TO ORDER REPLACEMENT PARTS”
To have your order filled promptly and correctly, please furnish the following information.
1. MODEL NUMBER
2. REF. NO.
3. PART NO.
4. DESCRIPTION
SPARE PARTS-DELIVERY SECTION
PART NO.
DESCRIPTION
INTEGRATED CIRCUIT
CODE
BA7 15
Equalizer
AD
COIL
AB
CAPACITORS
There are two types of capacitors available and they can be
from each
other by reading
Part Numbers.
Ceramic type capacitor;
A symbol
or “K” is given at the 3rd digit of its Part Number like “VCC (or
Semiconductor type capacitor.
A symbol “T” is given at the 3rd digit of its Part Number like “VCT......J.”
The capacrtance error of each capacitor is indicated by the symbol given at the
13th digit of the Part Number as
“K”
“M”
“D”
“z”
(Tubular type ceramic capacitor is identified by the symbol
of the
part NO.
this
does not mean the lead
(Tubular type ceramic capacitor is identified by the symbol
of the part
NO.
this
does not mean the
wire.)
Unless otherwise specified, electrolytic capacrtors are
type.
C614
C615
33
0.01
1
47
220
4.7
0.0022
0.0082
3.3
47
0.047
RESISTORS
AB
AA
AB
AB
AA
AB
AB
AB
AB
AB
AA
(Unless otherwise
resistors are
type.)
470
AA
100
AA
R607
1
330
AA
1
AA
3 3
33
AA
390
AA
120
AA
1
AA
PG601
SW601
OTHER CIRCUITRY PARTS
Connector, DC Power
Supply Cord
Phono Motor with Pulley
Output
Switch,Leaf Type
AP
AK
SW602
401
402
Arm
403
Arm Lifter
404
405
406
.1X12X0
Lever
408
409
Lever
410
Center Shaft Ass’y
411
Arm, Controller
412
Arm
413
PART NO.
DESCRIPTION
Switch,Push Type
[Turntable Speed]
PLAYER MECHANISM PARTS
414
BG
AC
AC
AC
AC
AC
AC
AS
AE
AC
AE
AK
Gear Ass’y
Gear
AB
CODE
AL
414-2
414-3
414-4
415
416
417
418
420
Guide
AC
AD
AA
AC
Lever
AP
AD
Lever
AC
Speed/
AC
422
423
425
Lever Link
Lock
Arm
426
Tone Arm Ass’y
426-l
Tone Arm (Not Replacement
426-2
426-3
426-4
427
428
429
430
432
435
436
437
440
442
443
444
447
450
452
453
454
455
456
701
702
703
704
Item)
RCTRE5
Cartridge
(CART-155)
1
Arm
Supply Cord
Rubber,Foot
Turntable
EP Adaptor
Earth Lug
Input
Speed Adj
Nylon
Knob
Rod,Cue
99LC.S.3
Stop Washer
Screw,r#2.6X8mm
AB
AB
AB
BC
BA
AZ
AA
AD
AC
AB
AN
AD
BC
AL
AS
AD
AA
AB
AA
AA
AG
AA
AC
AD
AD
AD
AA
AA
AA
AA
Page 4
704
435
423x3
SW602
--
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I
420
444
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Figure 4 EXPLODED VIEW
Page 5
ADJUSTMENT
As for adjusting method refer to the relevant explanation
in Service Manual “ADJUSTMENT PROCEDURES OF AU-
DIO PRODUCTS”.
. Auto Return
Jig
Test record
Adjusting Point
Remarks
Auto return
Direction
Late
adjusting screw
Direction
Early
. Rotational Speed of Phono Motor
Jig
Test record
SSR-4005
Adjusting Point
Specified value
See Fig. 3-2
2,970 Hz
Screw
Figure 3-l
SPEED
FRONT SIDE
BOTTOM BOARD
Figure 3-2
SPEED
Figure 3-3 WIRING SIDE OF
PLAYER
AMP
I
y:
Phono Signal
PLUG
-R-
I
3
2
Figure 3-4 SCHEMATIC DIAGRAM
Page 6
PART NO.
DESCRIPTION
706
Screw,Q3X4mm
707
709
710
Screw,
713
714
715
Toothed Washer
ACCESSORIES/PACKING PARTS
Packing Add., Front
AE
Packing Add., Rear
AE
Polyethylene Bag, unit
AR
Polyethylene
AC
Packing Case
AK
P.W.B. ASSEMBLY
PWB-A
Equalizer PWB
CODE
AA
AA
AA
AA
AA
AA
AA
Writer and Editor: Quality
Reliability Control Center of Audio Systems Group, Sharp Corp.
Printed in Japan
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