Sharp GF-4949ZS Service Manual
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Sharp GF-4949ZS Service Manual

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PHOTO: G F-4949ZG
GENERAL
Power source :
A C 1 IOV-127V a n d 22OV-24OV,
DC 9V (UM/SUM-1 or R20 type x 6)
Speakers:
Ceramic type tweeter x 2
Output power:
PMPO; 16W (BW + 8W)
M P O ; 1 2 W (6W + 6W)
RMS; 6W (3W + 3W) (DC opera-
Semiconductors:
5 ICS
4 Transistors
2 LEDs
Dimensions: Width;
Height;
Depth;
98mm (3-7/8")
Weight:
3.1 kg (6.8 tbs.) without batteries
SPECIFICATIONS
(AC operation)
(AC operation)
tion, 10% distortion)
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
issued.
TAPE RECORDER
Tape :
Compact cassette tape
Frequency response:
45dB
Signal/noise ratio:
Input sensitivity and impedance:
External mic.;
600 ohms
Loaded impedance:
Headphones;
8 ohms - 25 ohms
R A D I O
F M ; 8 7 . 6 M H z - 108 M H z
Frequency range:
AM; 526.5 - 1605.5 kHz
Specifications for this model are subject to change without
prior notice.
SW2 ; 7.3 MHz - 22.0 MHz

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Summary of Contents for Sharp GF-4949ZS

  • Page 1 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 PHOTO: G F-4949ZG issued. SPECIFICATIONS TAPE RECORDER GENERAL Tape : Compact cassette tape Power source : A C 1 IOV-127V a n d 22OV-24OV,...

  • Page 2: Names Of Parts

    F O R A C O M P L E T E D E S C R I P T I O N O F T H E O P E R A T I O N O F T H I S U N I T , 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 .
  • Page 3 DISASSEMBLY Caution: Prior to the disassembly, be sure to remove the AC power supply cord, cassette tape and batteries from the unit. F R O N T C A B I N E T R E M O V A L (Refer to Figures 3-1 and 3-2.) 1.
  • Page 4 Figure 4 BLOCK DIAGRAM...

  • Page 5: Mechanical Adjustment

    MECHANICAL ADJUSTMENT Except for the following item, refer to the RD620X Service Manual already issued. RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT As shown in Figure 5-1, connect instruments, and adjust the head azimuth adjusting screw so that the output signals from both channels will have maximum waveform with the same phase in right and left.

  • Page 6: Notes On Schematic Diagram

    F M I F / R F ALIGNEMNT Set the signal generator to produce a signal of 4OOHz. 30%. FM modulated. TEST DIAL REMARKS S T E P B A N D STA- QUEN- S E T - JUST- IF (Connect instruments as shown in Figure 6-l .)’ Adjust for 10.7 Figure 6-l...
  • Page 7 Figure 7 WIRING SIDE OF - 7 - .._ .-_...
  • Page 8 SWITCH P.W.B.
  • Page 9 E FlLTER R I P P L B I A S OX (Specifications or wiring diagrams of this model are subject to change for improvement without maint S ON SC~+EMATIC DIAGRAM can be found on Page’ 6. F i g u r e 9...

  • Page 10: Schematic Diagram

    Notes: Parts marked with ” maintaining the safety and pertormance ot the set.
  • Page 11 MAIN P.W.B The parts without number are not supplied for servicing. Figure 11 CABINET EXPLODED VIEW...

  • Page 12: Bottom View

    T O P V I E W BOTTOM VIEW Figure 12 MECHANISM EXPLODED VIEW...

  • Page 13: Replacement Parts List

    REPLACEMENT PARTS LIST “ H O W T O O R D E R R E P L A C E M E N T P A R T S ” To have your order filled promptly and correctly, please furnish the following information. 1.

  • Page 14: Mechanism Parts

    REF. NO. PART NO. DESCRIPTION CODE REF. NO. PART NO. DESCRIPTION CODE C131, 132 Semiconductor C l 3 6 VCKZPUl HF102Z Ceramic VCTYPUl EX393K Semiconductor VCTYPUl EX102K Semiconductor c212 CAPACITORS Semiconductor c2, 3 VCKZPUl HB472K Polypropylene Ceramic VCTYPUl EX823K Semiconductor 3 3 P F (CH), 5OV, -r5%, Ceramic Semiconductor...
  • Page 15 Back Cabinet fGF-4949ZSJ Tweeter Cassette Holder (GF-4949ZG) AM Cassette Holder (GF-4949ZS) AM Switch, Band Selector Lid, Battery Compartment S w i t c h , R e c o r d / P l a y b a c k A K...
  • Page 16 TOP VIEW FRONT VIEW E. EMITTER ANODE 2 CATHODE Writer and Editor: Engineering Administration of Audio Systems Group, Sharp Corp. in Japan Printed...

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