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REF. NO.

PART NO.

92

93

94

95

96

97

98

99

102
103

 Button, Stop/Fast Forward/

Rewind

 Button, Playback

 Button, Record

 Button, Pause

 Head, Erase

 36AFZZ Head, Record/Playback

CABINET PARTS

201

201

201

Front Cabinet Combined

Assembly, 

Front Cabinet Combined

Assembly,(P)

Front Cabinet Combined

202
202
202
203
204

204
204

GFTA-001 

205
205
205

206
206

 053AFSA

206

 054AFSA

207

 246AFSA

208
209

210
211
212

 63AFZZ

213
214

   AFZZ

215

 309AFSA

216

 

218

DESCRIPTION

CODE

Washer, 

 Dia.

AA

 

  D i a .    

Washer, 

 Dia.   3mm AA

Dia. 

 

Washer, 2.1 mm Dia.   

 AA

Dia.   

Washer, 

 Dia.

AA

 5mm Dia.   

W a s h e r ,  

 Dia.    A A

5mm Dia. 

 

Special Screw, 

 Dia.   AA

4mm

Special Screw, 

 Dia.   AA

6mm

Special Screw, 2mm Dia. 

 AA

3mm

Washer, 

 Dia.

AA

 

 Dia.   

HDALM0441 AFSA

 91 

 

 91 

 463AFSA

GFTA-001 

GFTACI 399AFSA
GFTACI 399AFSB
GFTACI 399AFSC

 
 

Front Cabinet, 
Front Cabinet, (P)
Front Cabinet, (GR)
Plate, Dial Scale
Decoration Plate, Cabinet
Rear Cabinet, 
Rear Cabinet, 
Rear Cabinet, (GR)

Cover, Headphones Jack
Cassette Holder Assembly.

Cassette Holder Assembly, 
Cassette Holder 

AE

AM

AT

AT

AT

AR
AR
AR
AF

AF

AV
AV
AV

AM

P) AM

AM

Cassette Holder, 

AK

Cassette Holder, (P)

AK

Cassette Holder, 

AK

 Cassette Holder

AC

Lid, Battery Compartment, 

 AE

Lid, Battery Compartment, (P) AE
Lid, Battery Compartment,

AE

Label, Specification, 

AC

Label, Specification, (P)

AC

Label, Specification, 

AC

Window, Dial Scale

AD

Pointer
Knob, Volume/Tone/Balance AC

Control

Knob, Push Selector

AB

Knob, Tuning

AD

Digital Tape Counter

AK

Bracket, Speaker Retaining AA
Bracket, Belt
Frame

AG

Nylon Band, 60mm

AA

Screw. 3mm Dia.   45mm

AA

REF. NO.

219

220
221

222
223
224

225
226
227
228
229

230
231

231

232

233
234
235

236
237

238
239
240
241
242

243
244
245
246

248
600
601
602
603
604
605
606
607

PART NO.

DESCRIPTION

CODE

Taptite Screw, 

 Dia.

AA

 

Damper

AC

 Spting, Battery Terminal

AC

 Spring, Battery 

 

 AC

 AFFJ

Spring, Cassette Holder

AA

  S p r i n g ,   R e c o r d / P l a y b a c k  

Selector

 Belt, Counter

 Drum, Dial Stringing

AC

 Pulley, Dial Stringing

 Cushion, Built-In Microphone AA

 Heat Sink

AC

 49AFZZ Spacer, Led

AA

 FM/SW Telescopic Rod

AM

Antenna, 

 FM/SW Telescopic Rod

AM

Antenna, 

 85AFFW Terminal, FM/SW Telescopic 

Rod Antenna

 AFZZ Built-In Microphone

AF

 Bracket, Knob

AC

 69AFFW Terminal, Batten/ 

 AFSA Belt

AM

 Dial Stringing Spring

AD

Assembly

 97AFZZ Cushion

AA

 Cover, Band Selector Knob AA

JKNBM0561 AFSA Knob, Band Selector

 Knob, Fine Tuning

 Cover, AC Power Supply

AC

Socket

Screw, 2mm Dia.     mm

AF

Screw, 3mm Dia. 

 

AA

Felt, Cabinet

AA

 Cabinet

AA

 

Lug Terminal

AA

Screw, 2mm Dia.   

AA

Screw, 

 Dia.   8mm

AA

Screw, 

 Dia.   

AA

 Dia.   

AA

 2000

Screw, 3mm Dia. 

 

AA

 4000

Screw, 3mm Dia.   14mm

AA

Screw, 3mm Dia.   6mm

AA

 2000

Screw, 3mm Dia. 

 

AA

 221 AFZZ

Packing Add, Left

AD

 239AFZZ

Packing Add, Right

AD

 

Packing Case, 

AH

 AFZZ

Packing Case, (P)

AH

Packing Case, (GR)

AH

SSAKA0021 AFZZ

Polyethylene Bag, Operation

AA

 AFOO

 AFZZ

 01 

 

 AFZZ

 

 
 35AFZZ

Manual

Polyethylene Bag, Unit
Cord, AC Power Supply
Cord, AC Power Supply
Cord, AC Power Supply
Adaptor, AC Power Supply

Cord

Cassette Tape
Caution Label, AC Power

Warranty Card (for PX)
Warranty Card (for SCA)
Operation Manual

Label, N.T.S.
Label, EGC
Label, EP, for PX
Lebel, POP

AA

AM

AH
AK

AE

AK
AA

AC
AC

AF
AB

AA
AA
AB

Battery

AC

Writer and Editor: Engineering Administration Section of Audio Systems Group, Sharp Corp.

Printed in Japan

Содержание QT-50Z

Страница 1: ...and only parts identical to those pacified be used f Page SPECIFICATIONS 2 NAMES OF PARTS 2 DISASSEMBLY 3 VOLTAGE SELECTION 3 STRINGING OF DIAL CORD 4 MECHANICAL ADJUSTMENT 4 CIRCUIT ADJUSTMENT 5 6 SCHEMATIC DIAGRAM 7 8 NOTES ON SCHEMATIC DIAGRAM 9 WIRING SIDE OF P W BOARD 9 IO EXPLODED VIEW 11 12 REPLACEMENT PARTS LIST 13 16 INDEX TO CONTENTS T SHARP CORPORATION ...

Страница 2: ...s RADIO Frequency range AM 526 5 kHz 1606 5 kHz SW 2 3 MHz 7 3 MHz SW 7 3 MHz 22 MHz FM 87 6 MHz 108 MHz SPEAKERS Speakers 9 cm 3 l 2 x 2 Specifications for this model are subject to change without prior notice 1 Volume Control 2 Balance Control 3 Tone Control 4 Function Selector Switch 5 Pause Button 6 Stop Eject Button 7 Fast Forward Button 8 Rewind Button 9 Play Button 10 Record Button 11 FM Mo...

Страница 3: ... integrated circuits and other circuits when servicing STEP REMOVAL PROCEDURE 1 Front cabinet 1 Battery compart ment lid A x 1 ZScrew B x6 3 Open the cassette holder C 4 Open the 2 3 Mechanism block 1 Tape counter drive Main P W Board cabinet D 5 Socket E x 1 belt F x 1 2 Screw IG x 2 3 Socket HI x 2 l Screw 11x8 2 Tip J x 2 I 3 2 3 3 3 4 Set the mechanism in such a way as that the record play bac...

Страница 4: ...ADPHONES FRECXJENCY HEAD lAtiK PLAY BACK COUNTER M Azimuth Tape spa TEST TAPE m r 1 11 Figure 4 4 TAPE SPEED TEST TAPES 1 TORQUE METER FOR COMPACT CASSETTE COMPACT CASSETTE TYPE TITLE FLUTTER MODEL FREQUENCY LEVEL APPLICATION Tape speed MTT 111 3 kHr 10 10 Wow and flutter check MODEL MEASUREMENT RANGE APPLICATION TW 2111 lo 16Ogcm Normal Playback torque 1 5 log cm Normal Back tension TW 2121 lo 1O...

Страница 5: ...NT TUNER SECTION IIGNAL GENERATDR 400 Hr 30 AM modulated FRE D I A L AD TEf SyAyE QUE POINTER JUST REMARKS N C Y SElTlNG MENT 4M IF AM RF SWt RF SWz RF Figure 5 l PLAYBACK AMPLIFIER SENSITIVITY Lowest 7 2 25 L7 Band MHZ frequency coverage 8 7 4 MHz Highest frequency TC4 Adjust for maximal output 9 2 6 MHz 2 6 MHz L4 Tracking 10 6 0 MHz 6 0 MHz TC3 11 Repeat steps 7 B 9 and 10 until no further impr...

Страница 6: ...or maximal output Figure 6 2 FM IF CURVE Figure 6 3 FM S CURVE 88 MHz 108 MHz 8 IRepeat steps 4 5 and 6 7 until no further Improvement can be made I I O 1 GND GNO VCO FREQUENCY ADJUSTMENT Figure 6 4 FM RF SIGNAL GENERATOR 400 Hz 30 FM unmodulated mono signal DIAL FREQUENCY POINTER ADJUST MENT REMARKS SETrING FM IC3 SlGNAL GENERATOR FREO UENCY COUNTER 52 See c e 6 Figure 6 5 FM STEREO FM mono posit...

Страница 7: ...1 I 2 I 3 I 4 I 5 I 6 MAIN P W B CIRCUIT TX p iMYl oz CC 1T l NOTES ON SCHEMATIC DIAGRAM can be found on page 9 1 I 2 I 3 I 4 I 5 I 6 Figure 7 SCt 7 ...

Страница 8: ...m B I I I i I I ...

Страница 9: ...to electrolytic capacitor the expression capacitance withstand voltage is used l The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chassis with no signal given 1 AM mode Marking except for 1 FM mode l Schematic diagram and Wiring Side of P W Board for this model are subject to change for improvement without prior notice Parts marked with...

Страница 10: ...I 7 I 8 I 9 I 10 I 11 I 12 0 r o II the r this main parts I per I 7 I 8 I 9 I 10 I 11 I 12 G SIDE OF P W BOARD lO ...

Страница 11: ...A 85 86 75 m 79 B 1 I 2 I 3 I 4 I 5 I 58 E 9 96 9 57 I lb F c 1 1 2 I 3 I 4 I 5 1 Figure 11 MECHANISM EXPLODED VIEW ll ...

Страница 12: ...A B c D E F G H 1 I 2 I 3 I 4 I 5 I 6 2 0 4 201 243 242 L 1 a I Figure 12 CABINET EXPLODED VIEW I Y I VJ 12 ...

Страница 13: ...Z Ceramic FM IF 10 7MHz RFILA0085AFZZ Ceramic AM IF 455kHz AC AE REF NO PART NO DESCRIPTION CONTROLS CODE vc1 2 vc3 4 TC1 2 TC3 4 TC5 RVC R0083 AFZZ Variable Capacitors Tuning AN RTO H1072AFZZ AC TC6 RTO H1072AFZZ AC TC7 RTO H1072AFZZ TC8 RTO HI 072AFZZ vc5 VRl VRI 01 VR102 VRI 03 RVC Z0062AFZZ RVR M0390AFZZ RVR ZO178AFZZ with Trimmers Trimmer AM Antenna Trimmer Trimmer AM Oscillation Trimmer Trim...

Страница 14: ...V f30 S C A A VCTYMFI HV472N 0 0047 ELF 5OV 30 SC AA VCTYMFI HV272K 0 0027 LF 5OV flO S C A A VCTYMFl HV272K 0 0027 pF 5OV flO S C A A RC QZA154AFYK 0 1 5 pF 25V flO M L A C RC QZA154AFYK 0 1 5 pF 25V flO M L A C VC WMFJC f223N 0 022 pF 16V 309 a S C A A VCKYMFl HBI 81 K 180 pF 5OV It1 0 C M AA VCKYMFl HB181 K 180 pF 5OV lO C M A A REF NO PART NO DESCRIPTION CODE Cl67 VCTYPAlEX473M 0 0 4 7 pF 25V ...

Страница 15: ...504 20 94R18000635 21 94R18000608 22 94Rl8000609 24 94R18000610 26 94R180007317 27 94R180000726 28 94R12000906 29 94R18000707 31 94 R180005303 32 94R18000508 34 94R180005302 35 94R18000507 37 94R18001005 39 94R18001010 40 94R5880910 41 94R12001201 43 94R5630902 46 94R18001114A 47 94R18001123 48 94R18001103 50 94R18000934 51 94R18000935 52 94R180009501 53 94 RI 8000909 54 94R18000941 55 94R18000942...

Страница 16: ...25 226 227 228 229 230 231 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 248 600 601 602 603 604 605 606 607 PART NO DESCRIPTION CODE LX JZ0004AFFD Taptite Screw l0mm Dia AA X 13mm MLIFP0034AFZZ Damper AC MSPRC0479AFFW Spting Battery Terminal AC I MSPRC0480AFFW Spring Battery TerminaL AC MSPRDO611 AFFJ Spring Cassette Holder AA MSPRD0592AFFJ Spring Record Playback AB Selector NBL...

Страница 17: ...ombined Assemblv I 201 2 HDALM044lAFSA AF 201 3 HDECS0055AFSA AF 202 GCABB1916AFSA AV 204 IGFTA 0013AFSA 1 AM 204 l IGFTAC1399AFSA AK 1204 2 HPNLH1073AFSA A C 205 GFTAB1159AFSA AE 206 HiNDP1049AFSA A C 231 QANTR0140AFSA A M 1 PACKING PART CCAB 1315AFo9 AT Same as 5OZ W Same as 5OZ W GCABB1916AFSE AV GFTA 0013AFSE AM GFTAC1399AFSE AK Same as 5OZ W GFTAB1159AFSE AE HiNDP1550AFSA A C QANTR0140AFSB A ...

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