Table of Contents
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OUTSTANDING RECEPTION THE WORLD OVER
GENERAL
Power source:
(GF-4646)
AC 120V 60Hz
DC 9V ("D" type x 6)
AC 240V 50/60 Hz
DC 9V (UM/SUM-1 type x 6)
Speakers:
10 cm (4") woofer x 2
Ceramic type tweeter x 2
Output power:
M P O ; 3.9W (1.95W + 1.95W)
Output power:
PMPO; IOW (5W + 5W)
(GF-4646A)
M P O ; 7.2W (3.6 + 3.6W) (AC
R M S ; 4.6W (2.3 + 2.3W) (DC
Semiconductors:
5 ICS
4 transistors
11 diodes
2 LEDs
Dimensions: Width;
426mm (16-3/4")
Depth;
Height;
Weight:
2.8 kg (6.1 tbs.) without batteries
(AC operation)
(AC operation)
operation)
operation, 10% distortion)
96mm (3-3/4")
In the interests of user-safety the set should be
restored to its original condition and only parts
identical to those specified be used.
For the mechanical adjustment, refer to the RD-
620/A Service Manual already issued.
TAPE RECORDER
Tape:
Compact cassette tape
Frequency response:
Signal/noise ratio:
Input sensitivity and impedance:
External mic.;
600 ohms
Loaded impedance:
Headphones;
8 ohms - 25 ohms
R A D I O
Frequency range:
FM; 87.6 MHz - 108 MHz
AM; 525 kHz - 1,605 kHz
Specifications for this model are subject to change without
prior notice.
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Table of Contents
Related Manuals for Sharp GF-4646
Summary of Contents for Sharp GF-4646
- Page 1 620/A Service Manual already issued. TAPE RECORDER GENERAL Tape: Compact cassette tape Power source: Frequency response: (GF-4646) AC 120V 60Hz Signal/noise ratio: DC 9V (“D” type x 6) Input sensitivity and impedance: AC 240V 50/60 Hz External mic.; 600 ohms...
- Page 2 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, P L E A S E R E F E R T O T H E O P E R A T I O N M A N U A L . AC Power Supply Socket 1.
- Page 3 Caution: Prior to the disassembly, be sure to remove the AC power supply cord, cassette tape and batteries from the unit. (Refer to Figures 3-l and 3-2) 1. Remove the six screws @ and the six knobs @ 2. Push the eject button to open the cassette holder. 3.
- Page 4 Figure 4 BLOCK DIAGRAM...
- Page 5 Except for the following item, refer to the RD-620/A Service Manual already issued. RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT As shown in Figure 5-1, make connection of instrument, and adjust the head azimuth adjusting screw so that the output signals from both channels will have maximum HEAD waveform with the same phase in right and left.
- Page 6 FM IF/RF ALIGNEMNT Set the signal generator to produce a signal of 400Hz, 30%, FM modulated. T E S T FRE- D I A L S T E P B A N D S T A - QUEN- S E T - JUST- REMARKS IF (As shown in Figure 6-1, make connection of instruments.) Figure 6-l...
- Page 7 Figure 7 WIRING :...
- Page 9 (Specifications or wiring diagrams of this model are subject to change for improvement without prior notice.) Figure 9 SCHEMATIC DIABf...
- Page 11 Figure 11 CABINET EXPLODED VIEW...
- Page 12 TOP VIEW BOTTOM VIEW Figure 12 MECHANISM EXPLODED VIEW...
- Page 13 “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the following information. 2. REF. NO. 3. PART NO. 4. DESCRIPTION NOTES: Parts marked with “ A” are important for marntaining the safety of the set, Be sure to replace these parts with specified ones for marntaining the safety and performance of the set.
- Page 14 DESCRIPTION CODE PART NO. DESCRIPTION REF. NO. PART NO. REF. NO. CODE Polypropylene Semiconductor CAPACITORS Semiconductor Semiconductor Ceramic Semiconductor 33PF (CH). 5OV. ~5%. Ceramic Ceramic 22PF (RH). 5OV. *5%, Ceramic Ceramic Ceramic RESISTORS Ceramic (All resistors are ?/4W, +5%, Carbon type.) Semiconductor Semiconductor 68 ohm...
- Page 15 Jumper, 5 Leads, 90 mm MISCELLANEOUS Jack, External Microphone Jack, External Microphone Front Cabinet with Dial Scale Plate Jack, Headphones Back Cabinet (GF-4646) Socket, AC Power Supply Back Cabinet fGF4646Aj with AC/DC Selector Cassette Holder SW501 I Switch (SW501 I Lid, Battery Compartment Woofer, 3.2 ohm...
- Page 16 9 0 8 0 1 P.O. Box 10 La Grange, Illinois 6 0 5 2 5 1 3 1 2 ) 4 8 2 - 9 2 9 2 Writer and Editor: Engineering Administration of Audio Systems Group, Sharp Corp. Printed in Japan...