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Sharp QT-80W, Руководство по обслуживанию

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PRICE

RANK

DESCRIPTION

NO.

PARTS CODE

QT-80W

– 3 –

601

92L60026450800

J

Screw,ø2.6

×

8mm

602

92L60030500610

J

Screw,ø3

×

6mm

603

92L60220500410

J

Screw,ø2

×

4mm

604

92L60620400410

J

Screw,ø2

×

4mm

605

92L61030010810

J

Screw,ø3

×

8mm

606

92L61030011010

J

Screw,ø3

×

10mm

607

92L61030011210

J

Screw,ø3

×

12mm

608

92L61030023010

J

Screw,ø3

×

30mm

609

92L61126010800

J

Screw,ø2.6

×

8mm

610

92L61130011210

J

Screw,ø3

×

12mm

611

92L61226010810

J

Screw,ø2.6

×

8mm

612

92L61230010810

J

Screw,ø3

×

8mm

613

92L61430011010

J

Screw,ø3

×

10mm

614

92L61530041010

J

Screw,ø3

×

10mm

615

92L61540021410

J

Screw,ø4

×

14mm

616

92L61540041410

J

Screw,ø4

×

14mm

617

92L62030061070

J

Screw,ø3

×

10mm

618

92L66090752012

J

Nut,ø9

×

ø12

×

2mm

619

92L62030061070

J

Screw,ø3

×

10mm

620

92L61440041010

J

Screw,ø4

×

10mm

621

92L53008003008

J

Washer,ø3

×

ø8

×

0.8mm

ACCESSORIES/PACKING PARTS

1

QACCB0012AW00

J

AS

AC Power Supply Cord

1

QACCE0007AW00

J

AH

AC Power Supply Cord

1

QACCL0002AW00

J

AN

AC Power Supply Cord

1

QACCL0008AW00

J

AC Power Supply Cord

1

QPLGA0003AWZZ

J

AF

Adaptor,AC Plug

1

QPLGA0004AWZZ

J

AF

Adaptor,AC Plug

92L300QT800102

J

Packing Add.,Left/Right

92L31020300401

J

Polyethylene Bag,Accessories

92L31069420401

J

Polyethylene Bag,Unit

1

92L3404-074001

J

AC Power Supply Cord

92L510QT800101

J

Packing Case

92L563184-

J

Label,Serial No.

92L579QT800201

J

Label,Feature

92L580QT800101

J

Operation Manual

92L593QT800101

J

Schematic Diagram

P.W.B. ASSEMBLY (Not Replacement Item)

PWB-A1~6

92L771QT800101

J

—

Main/Jack/Headphones/Volume/

X-BASS/Battery
 (Combined Ass’y)

Содержание QT-80W

Страница 1: ...DE OF P W BOARD 12 NOTES ON SCHEMATIC DIAGRAM 14 TYPES OF TRANSISTOR 14 VOLTAGE 14 PARTS GUIDE EXPLODED VIEW In the interests of user safety the set should be restored to its original condition and only parts identical to those specified should be used SERVICE MANUAL SHARP CORPORATION No S4129QT80W This document has been published to be used for after sales service only The contents are subject to...

Страница 2: ...QACCL0008AW00 AC 110 127 220 240 V 50 60 Hz DC 12 V D size UM SUM 1 R20 or HP 2 battery x 8 20 W MPO 18 W 9 W 9 W AC operation 10 T H D RMS 10 W 5 W 5 W DC operation 10 T H D 8 cm 3 1 8 full range speaker x 4 Headphones 16 50 ohms recommended 32 ohms Mixing microphone 600 ohms Line input 350 mV 47 kohms Width 520 mm 20 1 2 Height 191 mm 7 1 2 Depth 216 mm 8 1 2 4 2 kg 9 3 lbs without batteries Gen...

Страница 3: ...ise 5 Reassemble the front cabinet 01 Function Beat Cancel Switch 02 Cassette Compartment 03 Record Button 04 Play Button 05 Rewind Button 06 Fast Forward Button 07 Stop Eject Button 08 Pause Button 09 Volume Control 10 Band Selector 11 Built in Microphone 12 Extra Bass Button 13 Fine Tuning Control 14 Tuning Control 15 Mixing Microphone Socket 16 Line Input Sockets 17 AC Voltage Selector 18 AC In...

Страница 4: ...ly plug from the wall outlet before starting to disassemble the unit 3 Take off nylon bands or wire holders where they need to be removed when disassembling the unit After servicing the unit be sure to rearrange the leads where they were before disassembling 4 Take sufficient care on static electricity of integrated circuits and other circuits when servicing G1 x2 ø3x12mm C2 x2 ø4x14mm G2 x1 ø3x8m...

Страница 5: ...1 x 2 pcs to remove the record playback head 2 Remove the hooks A2 x 2 pcs toward the center position as shown in Fig 5 3 and then extract the erase head upward Note After replacing the heads and performing the azimuth adjustment be sure to apply screwlock How to remove the pinch roller See Fig 5 4 1 Remove the screw B1 x 1 pc and remove the pinch roller upwards Figure 5 3 Figure 5 4 REMOVING AND ...

Страница 6: ...ote When mounting the motor pay attention to the motor bracket angle Figure 6 1 Figure 6 2 Figure 6 3 How to remove the flywheel See Fig 6 3 1 Remove the belt See Fig 6 1 2 Remove the stop washer E1 x 1 pc with a small precision screwdriver to extract the flywheel from the capstan metal Note When the stop washer is deformed or damaged replace it with a new one How to reinstall the parts Install ea...

Страница 7: ... end 87 4 MHz 4 Repeat step 2 3 until no further improvement can be made 5 FM TRACKING Same as step 2 Same as step 2 Same as step 1 Adjust P V C TC2 to Tune P V C to fH 106 MHz get MAX output 106 MHz 6 FM TRACKING Same as step 2 Same as step 2 Same as step 1 Adjust L102 to get MAX Tune P V C to fL 90 MHz output 90 MHz 7 Repeat step 5 6 and then step 2 3 5 6 until no further improvement can be made...

Страница 8: ...osition oscilloscope 3 Tune P V C to 3 Power supply high end 2 SW1 BAND Same as step 1 Same as step 1 Same as step 1 Adjust T104 get MAX Tune P V C to low COVERAGE fL output at 2 25 MHz end 2 25MHz 3 Repeat step 1 2 until no further improvement can be made 4 SW1 Same as step 1 Same as step 1 Same as step 1 Adjust CT104 get MAX Tune P V C to 6 MHz TRACKING fH output at 6 MHz 6 MHz 5 SW1 Same as ste...

Страница 9: ...back Head Tape Mechanism TP2 FM BAND COVERAGE FM DETECTION BIAS OSCILLATION FM TRACKING fL fH MW BAND COVERAGE fH MW TRACKING fH T105 T104 T103 CT101 CT102 T106 VR102 IC102 T102 CT104 T107 T101 CT103 T108 TUNER P V C L103 IC101 1 9 L102 T201 IC201 MAIN PWB L109 MW BAR ANTENNA TC1 TC2 TC3 TC4 MW BAND COVERAGE fL SW1 BAND COVERAGE fH fL SW1 TRACKING fL fH SW2 TRACKING fL fH SW2 BAND COVERAGE fL fH M...

Страница 10: ... C235 47 16 Q204 SS8550 C231 1 50 R233 1 8K C230 0 01 ML CON301 R301 10K R303 10K R302 2 2K R304 2 2K R211 18K C211 0 0022 ML R212 18K C212 0 0022 ML T201 BIAS OSCILLATION C216 0 0027 C223 100P R253 10K R254 10K CON201 CN201 C251 0 018 ML C220 0 0068 ML C219 0 022 ML Q201 3DA8050 R247 220 C218 47 16 R225 22K R224 10 C207 0 47 50 C208 0 47 50 C206 0 022 ML R231 120K C201 0 0015 ML R204 150 R208 5 6...

Страница 11: ...01 AC 110 127 V 3 1 3 6 5 1 B B B B B B B B B B IC BLOCK DIAGRAM TAPE STAND BY FM ST FM MONO BEAT LINE S301 FUNCTION BEAT CANCEL MOTOR CONTROL REGULATOR VOLUME CONTROL VOLUME CONTROL X BASS CONTROL X BASS CONTROL R221 220 R305 4 7K CN302 S302 X BASS R308 4 7K CON504 D401 1N4148 T72 Q401 3DA8050 C514 100 16 ZD401 TZX10V C R410 560 C415 100 16 Q304 2SC945 R326 22K R309 6 8K R310 3 9K R318 10K C302 2...

Страница 12: ...04 Q303 R223 R222 R217 R243 R244 R326 R325 C308 R311 C305 R218 R306 R316 Q301 Q302 C301 R313 C307 R312 C306 C302 R305 R307 R309 R308 R310 C303 C304 CON302 S301 C310 CON303 C311 C312 1 1 2 3 4 5 6 7 2 3 4 E C B Q501 CON201 R501 C516 C416 S201 RECORD PLAYBACK ZD501 C415 R410 C514 Q401 E E B B C C 1 1 2 3 4 5 6 7 8 9 10 11 12 2 3 4 C518 ZD401 C417 R405 C402 D401 C401 R403 R404 C403 R321 R401 C404 R42...

Страница 13: ...R CH CN503 BK BK RD RD BK RD BK RD BR COLOR TABLE RD R OR YL GR BL BROWN RED ORANGE YELLOW GREEN BLUE JACK PWB A2 VOLUME PWB A4 1 7 1 2 3 CN202 CN301 5 4 3 2 1 WH PK WH X BASS PWB A5 7 6 5 4 3 2 1 CN303 RD RD RD BK 1 SW501 VOLTAGE SELECTOR AC 220 V 240 V AC 110 V 127 V BL BK WH VL GY WH W BK PK VIOLET GRAY WHITE BLACK PINK T501 POWER TRANSFORMER YL YL PK WH WH CN302 1 2 3 1 3 HEADPHONES PWB A3 CN5...

Страница 14: ...N POSITION E C B FRONT VIEW 2SC945 3DA8550 SS8550 E B C FRONT VIEW 3DA8050 IC101 LA1186N FM Pin No Voltage IC201 BA3313L PLAYBACK Pin No Voltage IC102 LA1805 FM Pin No Voltage Pin No Voltage IC102 LA1805 MW SW1 SW2 Pin No Voltage Pin No Voltage IC401 BA5415A FULL POWER Pin No Voltage Q404 SS8550 Pin No Voltage Q405 SS8550 Pin No Voltage Q501 3DA8050 Pin No Voltage Q301 2SC945 Pin No Voltage Q207 2...

Страница 15: ...type VC MF Cylindrical type without lead wire VC MN Cylindrical type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is...

Страница 16: ...F 50V Mylar C127 129 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C131 VCTYPA1HB152K J 1500 pF 50V C132 133 VCEAZA1HW335M J AB 3 3 µF 50V Electrolytic C134 VCTYPA1HB471K J 470 pF 50V C135 VCQYKA1HM822K J AA 0 0082 µF 50V Mylar C136 VCTYPA1HM472K J 4700 pF 50V C137 VCKYPA1CF224Z J 0 22 µF 16V C138 VCEAZA1CW227M J AC 220 µF 16V Electrolytic C139 VCKYPA1HF203Z J 0 02 µF 50V C141 VCCCPA1HH100J J AA 10 pF ...

Страница 17: ...ctor Ass y 3Pin CN302 92L3421 777001 J Connector Ass y 3Pin CN303 92L3421 780001 J Connector Ass y 7Pin CN501 92L3421 778001 J Connector Ass y 5Pin CN503 92L3421 783001 J Connector Ass y 4Pin CN504 92L3421 774001 J Connector Ass y 4Pin CON201 202 92L3101 054003 J Plug 4Pin CON203 92L3101 054001 J Plug 2Pin CON301 302 92L3101 054002 J Plug 3Pin CON303 92L3101 054006 J Plug 7Pin CON501 92L3101 09400...

Страница 18: ...L66090752012 J Nut ø9 ø12 2mm 619 92L62030061070 J Screw ø3 10mm 620 92L61440041010 J Screw ø4 10mm 621 92L53008003008 J Washer ø3 ø8 0 8mm ACCESSORIES PACKING PARTS 1 QACCB0012AW00 J AS AC Power Supply Cord 1 QACCE0007AW00 J AH AC Power Supply Cord 1 QACCL0002AW00 J AN AC Power Supply Cord 1 QACCL0008AW00 J AC Power Supply Cord 1 QPLGA0003AWZZ J AF Adaptor AC Plug 1 QPLGA0004AWZZ J AF Adaptor AC ...

Страница 19: ...620 230 233 612 239 616x2 615x2 621 209 207 614 609 601 226 208 606 211 238 603 214 PWB A1 619x2 204 213 204 2 204 1 236 224 223 215 217 219 216 237 218 220 232 604 203 240x2 203 1 203 2 606x3 613x4 SP501 212 225 221 618 SP502 SP503 201 MIC SP504 613x4 611x3 222 235 613x4 613x4 229 TAPE MECHANISM 241 241 1 241 2 241 3 241 4 241 5 M601 241 6 SW601 PWB A5 PWB A4 Motor M601 REW FF Clutch Flywheel FF ...

Страница 20: ...by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher COPYRIGHT 2001 BY SHARP CORPORATION ALL RIGHTS RESERVED A0105 1213DS HA C SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan EX ...

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