Sharp rp 7100h service manual

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OPTONICA SERVICE MANUALS;
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STEREO TURNTABLE
(Silver Panel)
(Brown Panel) g
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In the interests of user-safety the set shOUId be i
restored to its original condition and only parts
identical to those specified be used.
INDEX TO CONTENTS
SPECIFICATIONS ........................... 2 ADJUSTMENT
DESIGNATION OF PARTS .................... 2 STYLUS HEIGHT ADJUSTMENT .............. 21
DISASSEMBLY ............................. 3 (LEAD-IN HEIGHT)
VOLTAGE SELECTION ....................... 3 AUTO RETURN ADJUSTMENT .............. 21
TONEARM LIFTER .......................... 3 SENSITIVITY ADJUSTMENT ................ 21
CARTRIDGE MOUNTING ..................... 4 CHECKING OF APLD SENSOR HEIGHT ....... 22
DUST COVER MOUNTING .................... 4 QUARTS LOCK TIMING ADJUSTMENT ........ 22
TRACKING FORCE ADJUSTMENT .............. 5 TONEARM RETURN DETECTOR ADJUSTMENT. 22
ADJUSTMENT OF AUTOMATIC LEAD-IN ......... 8 DETECTED SENSITIVITY ADJUSTMENT ....... 22
MECHANISM ADJUSTMENT OF MOTOR DRIVE CIRCUIT. . .. 23
CLEANING THE STYLUS TIP .................. 8 PITCH FINE ADJUSTMENT ................. 23
CIRCUIT DESCRIPTION FREQUENCY ADJUSTMENT ................ 23
SCHEMATIC DIAGRAM OF LOGIC CIRCUIT. . , .7,8 TOP VIEW OF LOGICAL IC .................. 24
OUTLINE ............................ 9~ II EQUIVALENT OF INTEGRATED CIRCUIT ..... 25,26
BEHAVIORS OF LOGIC CIRCUIT ____________ 12 SCHEMATIC DIAGRAM ................... 27~30
SIGNAL FLOW CHART .................. 13,14 WIRING SIDE OF P-W-BOAFID ------------- 31~34
BEHAVIORS OF CONTROL CIRCUIT ...... 15~ 18 CABINET EXPLODED V'EW ---------------- 35.36
ALIGNMENT POINTS ..................... 19,20 PARTS LIST --------------------------- 37~42
AC SUPPLY CORD WIRING CONNECTION ....... 43

SHARP CORPORATION OSAKA, JAPAN

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Power source:

Power consumption:

Semiconductors:

Dimensions:
(with dust cover)

Weight:

TURNTABLE
Motor:

Speed stabilization:

Drive system:

SPECIFICATIONS

AC 110/220/24OV, 50/60 Hz
10W

22-IC

47-transistor

33-diode

2-hall elements

1 quartz-crystal oscillator

Width: 480 mm (18-29/32")
Height: 108mm (4-1/4")
Depth: 384mm (15-1/8)
9 kg (20 lbs)

Core-less DC servo mono-torque
motor

160-pole frequency generator, PLL
with quartz-crystal oscillator, sam-
ple hold phase detector.
Direct-drive

Speed :

Speed control range:

Wow & Flutter:
Rumble:
Turntable platter:

TONEARM
Type:

Effective length:
Overhang:
Off-set angle:

Cartridge weight range:

334/3 and 45 rpm

Within 1'4%

10.045: (DIN 45 507)

Better than 68 dB (DIN-B)
300m (12in) aluminum die-
cast with stroboscope marks.

Statically balanced pipe arm with

' " APLD'sensor.

210 mm (18-1/4")
11mm (7/16")
19°

4 to 12 grams

lflveclfications are subject to change without prior notice-I

DESIGNATION OF iPARTS

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Turntable Platter

Center Spindle

AC Supply Cord

APLD Sensor

Headshell

Tonearm

Counterweight

Output Leads

Tonearm Rest

Tracking Force Gauge
Tracking Force Adjustment
Knob

Anti-skating Control

Power Switch

Pitch Control

Speed Selector ' ' '
Quarts-crystai PLL on/of'f
Voltage Selector
Stroboscope

APLD Number Buttons 'and
Indicators " '
CueingControl Button
Repeat Play Button:

Cut Out Button

Play Start Button

Figure 1,

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