Sharp RP-6900A, RP-6900ABK Service Manual

SHARP

SERVICE

MANUAL

S3918RP6900AK

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

I

/

INDEX TO CONTENTS

Page

SPECIFICATIONS.. .............................................................................................. 2

NAMES OF PARTS ............................................................................................. 2

DISASSEMBLY..

................................................................................................. 2

ADJUSTMENT ................................................................................................... 3

SCHEMATIC DIAGRAM/WIRING SIDE OF

P.W.BOARD..

.......................................... 3

EXPLODED VIEW.. .............................................................................................. 4

REPLACEMENT PARTS LIST.. ...........................................................................

5,6

SHARP CORPORATION

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:

Tonearm:

Cartridge:
Replacement stylus:
Dimensions:

Weight:

Belt drive, semi automatic

33-113

and 45 rpm
DC motor
90 mV (1 kHz, 50

mmisec.)

20 - 20,000

Hz

49

Dynamic balanced straight tonearm

Magnetic type (CART-1 55)
STY-l 55
Width; 430 mm

(17”)

Height; 100 mm

(3-15/l

6”)

Depth; 340 mm

(13-3/8”)

2.0

kg (4.4 Ibs.)

Specifications for this model are subject to change with­out prior notice.

NAMES OF PARTS

1.

17 cm

(7”)

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

1

2

3

Figure 2-l

DISASSEMBLY

I

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

I

(Al)xl

\

Figure 2-2

Belt..

.................

(Al)xl

1.

Screw ................

fB1

1x9

IBl )x4 (811x5

03x 13mm

d3x12mm

Bottom Board

Figure 2-3

-2-