Table of Contents
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Illustration: QT-CD210H
Illustration: QT-CD210W
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
IMPORTANT SERVICE NOTES (QT-CD210H FOR U.K. ONLY) .................................................................................... 3
VOLTAGE SELECTION (QT-CD210W ONLY) .................................................................................................................. 3
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR (FOR QT-CD210W) ................................................................ 3
SPECIFICATIONS ............................................................................................................................................................. 4
NAMES OF PARTS ........................................................................................................................................................... 5
FITTING OF DIAL POINTER ............................................................................................................................................. 5
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY .................................................................................................................................................................. 8
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 8
ADJUSTMENT ................................................................................................................................................................. 10
SCHEMATIC DIAGRAM .................................................................................................................................................. 12
WIRING SIDE OF P.W.BOARD ....................................................................................................................................... 14
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 16
TYPES OF TRANSISTOR ............................................................................................................................................... 16
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 17
TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 18
FUNCTION TABLE OF IC ................................................................................................................................................ 22
SERVICE MANUAL
CONTENTS
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QT-CD210H(BK)
QT-CD210H(BL)
QT-CD210H(S)
QT-CD210W(BK)
QT-CD210W(BL)
QT-CD210W(S)
• 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.
• Note for users in U.K.
Recording and playback of any material may require consent
which SHARP is unable to give. Please refer particularly to the
provisions of Copyright Act 1956, the Dramatic and Musical
Performers Protection Act 1956, the Performers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
QT-CD210H/W
No. S1002QTCD210H
Page
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Table of Contents
Related Manuals for Sharp QT-CD210H(BL)
Summary of Contents for Sharp QT-CD210H(BL)
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Page 1: Table Of Contents
• Note for users in U.K. Recording and playback of any material may require consent which SHARP is unable to give. Please refer particularly to the provisions of Copyright Act 1956, the Dramatic and Musical Performers Protection Act 1956, the Performers Protection Acts 1963 and 1972 and to any subsequent statutory enactments and orders. -
Page 2: Safety Precaution For Service Manual
QT-CD210H/W SAFETY PRECAUTION FOR SERVICE MANUAL Precaution to be taken when replacing and servicing the Laser Pickup. The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class I Requirements. However, the following precautions must be observed during servicing to protect your eyes against exposure to the Laser beam. (1) When the cabinet has been removed, the power is turned on without a compact disc, and the Pickup is on a position outer than the lead-in position, the Laser will light for several seconds to detect a disc. -
Page 3: Important Service Notes (Qt-Cd210H For U.k. Only)
QT-CD210H/W LASER KLASSE 1 LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT QT-CD210H for Europe QT-CD210H for U.K. IMPORTANT SERVICE NOTES (QT-CD210H FOR U.K. ONLY) Before returning the unit to the customer after completion of a repair or adjustment it is necessary for the following withstand voltage test to be applied to ensure the unit is safe for the customer to use. -
Page 4: Specifications
QT-CD210H/W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS QT-CD210H/W Radio General Frequency FM; 87.5 - 108 MHz Power source: AC 230-240 V, 50 Hz DC 9 V ["D" size (UM/SUM-1, R20 range: AM;... -
Page 5: Names Of Parts
QT-CD210H/W NAMES OF PARTS Illustration: QT-CD210W (TAPE) Record Button 1 2 3 4 5 6 (TAPE) Play Button (TAPE) Rewind Button (TAPE) Fast Forward Button (TAPE) Stop/Eject Button (TAPE) Pause Button Cassette Compartment CD Compartment CD Eject Button 14 15 Tuning Control (CD) Stop Button (CD) Track Down/Review Button... -
Page 6: Operation Manual
QT-CD210H/W OPERATION MANUAL – 6 –... - Page 7 QT-CD210H/W – 7 –...
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Page 8: Disassembly
QT-CD210H/W DISASSEMBLY Power Transformer Caution on Disassembly (C3)x1 Follow the below-mentioned notes when disassembling the ø2.5x8mm unit and reassembling it, to keep it safe and ensure excellent (C2)x7 performance: ø3x12mm CD Lid 1. Take cassette tape and compact disc out of the unit. Switch 2. - Page 9 QT-CD210H/W TAPE MECHANISM SECTION (A1) x1 Hook Perform steps 1 to 5 of the disassembly method to remove the ø2x7mm (A2)x2 tape mechanism. (See page 8.) (A1) x1 ø2x3mm How to remove the record / playback and erase Record/Playback Erase Head heads (See Fig.
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Page 10: Adjustment
QT-CD210H/W ADJUSTMENT MECHANISM SECTION • Driving Force Check • AM IF/RF Torque Meter Specified Value Test Stage Instrument Specified Value/Adjusting Connection PLAY: TW-2412 Over 120 g Point • Torque Check AM IF Input: Antenna Output: Pin 18 of IC1 Torque Meter Specified Value fL: L4 Input: Antenna... -
Page 11: Test Mode
QT-CD210H/W CD SECTION Since this CD system incorporates the following automatic adjustment function, when the pickup is replaced, it is not necessary to reajust it. Since this CD unit does not need adjustment, the combination of PWB and laser pickup unit is not restricted. TEST MODE Start While holding down the "PLAY"... -
Page 12: Schematic Diagram
QT-CD210H/W ( ): CD STOP MAIN PWB-A1 C825 3.72V R801 1.87V 47/16 (5.0V) (1.45V) Q801 PICK-UP UNIT KTA1266 GR C815 C816 C817 IC801 SWITCHING 47/16 0.022 2.97V 100/10 VOLTAGE VOLTAGE (4.39V) IC801 C826 4.84V 2.86V(0.99V) SERVO PRE AMP. C802 2.04V 2.12V 0.022 TA2109F... - Page 13 QT-CD210H/W C825 47/16 C823 0.022 R824 C826 49 48 47 46 45 44 43 42 41 40 38 37 36 35 34 33 32 31 R826 R820 2.08V SW810 220K (0V) CD LID R827 C827 R821 PUSEL2 LPFN 0.015(ML) LPFO 4.97V PU IN OPEN/CLOSE...
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Page 14: Wiring Side Of P.w.board
QT-CD210H/W SPEAKERS SP201 SP202 L-CH R-CH CNP101 1 2 3 4 PLAY REC. SW102 C351 RECORD/ PLAYBACK R354 E C B Q351 R351 R353 L301 C352 C353 C354 HPJ201 IC101 R352 HEADPHONE 1 3 5 7 9 2 4 6 8 CNS201 1 2 3 D102... - Page 15 QT-CD210H/W TAPE ERASE HEAD RECORD/PLAYBACK (240-5) HEAD(240-4) SW601 M601 TAPE MAIN TAPE MOTOR (240-7) (240-6) CNS101 (230) QT-CD210W ONLY SW651 VOLTAGE SELECTOR AC220V-240V AC110V-127V BATTERYS F651 DC9 V [ "D" size(UM/SUM-1, T1.25A L 250V R20 or HP2) battery x 6 ] (229) C652 C653...
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Page 16: Notes On Schematic Diagram
QT-CD210H/W NOTES ON SCHEMATIC DIAGRAM • Resistor: 1. Tuner To differentiate the units of resistors, the symbol as K and M ( ): AM mode are used: the symbol K means 1000 ohm and the symbol M Marking except for ( ): FM mode means 1000 kohm and the resistor without any symbol is an 2. -
Page 17: Waveforms Of Cd Circuit
QT-CD210H/W WAVEFORMS OF CD CIRCUIT NO DISC FOCUS SEARCH STOP PLAY TMAX IC802 66pin IC802 50pin SBOK IC803 20pin IC802 45pin IC803 21pin IC802 72pin FOCUS SEARCH TOC IL STOP PLAY IC802 74pin IC802 64pin IC802 62pin IC802 67pin IC802 64pin IC802 71pin STOP PLAY... -
Page 18: Troubleshooting (Cd Section)
QT-CD210H/W TROUBLESHOOTING (CD SECTION) When the CD does not function When the CD section does not operate when the objective lens of the optical pickup is dirty, this section may not operate. Clean the objective lens, and check the playback operation. When this section does not operate even after the above step is taken,check the following items. - Page 19 QT-CD210H/W • Laser failure. Is +5V applied to the emiter of Q204 ? Check the PWB pattern of Q204. Check the peripheral parts of IC803 and Q204. Is +5V applied to the collector of Q204 ? Check the PWB pattern between collector of Q204 and pin 75 of Is +5V applied to the pin 75 (VDD) of IC802 ? IC802.
- Page 20 QT-CD210H/W • Focus servo sawtooth wave failure. IC802 is faulty. Is sawtooh wave output to the pin 66 (FOO) of IC802 ? 1.5~2.5sec Check the PWB pattern of IC803. Is +8.1V applied to the pins 1 and 30 (VCC) of IC803 ? Check the PWB pattern of IC803.
- Page 21 QT-CD210H/W • Track search failure Does the sled motor run in FF/REW state when the CD Check as stated in item "SLED MOTOR OPERATION FAILURE". TEST MODE is set? Is the following wave output to the pin 67 (TRO) of IC802 IC802 failure.
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Page 22: Function Table Of Ic
QT-CD210H/W FUNCTION TABLE OF IC IC802 VHiTC9457F0-1: Servo/Signal Control (TC9457F0) (1/4) Pin No. Port Name Terminal Name Input/Output Function (OT5)S1 SEG1 Output Segment signal output to the LCD panel. (OT6)S2 SEG2 Output Up to 72 segments in a matrix with COM1 to COM4 can be displayed. (OT7)S3 SEG3 Output... - Page 23 QT-CD210H/W IC802 VHiTC9457F0-1: Servo/Signal Control (TC9457F0) (2/4) Pin No. Port Name Terminal Name Input/Output Function (S12)P4-1 PUSEL2 Input 3-bit CMOS I/O ports. (SO/S11/ Input/Output These ports can be set for input or output bit for bit by a program. SDA)P4-2 These pins serve dual purposes as input or output pins for the serial (SCK/SCL) Input/Output...
- Page 24 QT-CD210H/W IC802 VHiTC9457F0-1: Servo/Signal Control (TC9457F0) (3/4) Pin No. Port Name Terminal Name Input/Output Function SBAD SBAD Input/Output Subbeam add signal input pin. Input/Output Tracking error input pin. This input is read when tracking servo is on. TEZI TEZI Input/Output Tracking error zero-cross input pin.
- Page 25 QT-CD210H/W IC802 VHiTC9457F0-1: Servo/Signal Control (TC9457F0) (4/4) Pin No. Port Name Terminal Name Input/Output Function /HOLD RYNCREC Input This pin is used to input a signal that requests or clears the hold mode. Normally, use this pin for CD mode select signal input or battery detection signal input.
- Page 26 QT-CD210H/W — M E M O — – 26 –...
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Page 27: Parts Guide
“HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order. 1. MODEL NUMBER 2. REF. No. 3. PART NO. 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free;... - Page 28 QT-CD210H/W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AA 0.47 µF,50V,Electrolytic RC-GZA474AF1H INTEGRATED CIRCUITS AB 4.7 µF,50V,Electrolytic RC-GZA475AF1H AB 220 µF,10V,Electrolytic RC-GZA227AF1A VHITA2111N/-1 AN FM/AM IF MPX.,TA2111N AB 0.022 µF,50V VCKYPA1HF223Z IC101 VHIBA3311L/-1 AK REC./P.B.Equalizer Amp., VCCCPA1HH100J AA 10 pF (CH),50V BA3311L AB 1 µF,50V,Electrolytic...
- Page 29 QT-CD210H/W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK RESISTORS F651 QFS-C132ASJNA AH Fuse,T1.25A L 250V FW806 QCNWN0208SJZZ J Flat Wire,10Pin [QT-CD210W] FW806 QCNWN0210SJZZ J Flat Wire,10Pin [QT-CD210H] VRD-ST2CD331J AA 330 ohms,1/6W HPJ201 QJAKM0001SJZZ AG Jack,Headphone VRD-ST2CD272J AA 2.7 kohms,1/6W LCD801 RV-LX0006SJZZ AF LCD Display...
- Page 30 AD Label,Made in China TSPC-0150SJZZ Label,Specifications [W [BK]] [W for Central and South TSPC-0153SJZZ Label,Specifications America Only] [H [S] for Philippines] TLABZ0011SJZZ AD Label,SHARP [W for Syria/Chile/ TSPC-0154SJZZ Label,Specifications Peru/Bolivia/U.A.E. Only] [H [BL] for Philippines] TLABZ0012SJZZ AC Label,SHARP [W for Syria/Chile/ TSPC-0157SJZZ Label,Specifications Peru/Bolivia/U.A.E.
- Page 31 QT-CD210H/W PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK P.W.B. ASSEMBLY (Not Replacement Item) PWB-A1~4 DCEK-0007SJ06 — Main/CD Control/Power/Washer (Combined Ass’y) PWB-B QPWBF3895AFZZ AC CD Motor (PWB Only) OTHER SERVICE PART UDSKA0004AFZZ AZ CD Pickup Lens Cleaner – 4 –...
- Page 32 QT-CD210H/W 703x2 M702 M701 305x2 SW702 PWB-B Figure 5 CD MECHANISM EXPLODED VIEW – 5 –...
- Page 33 QT-CD210H/W 605x2 204-1 240(240-1, 204-2 240-2, 240-3, 603x2 240-4, 240-5 240-6(M601), 240-7(SW601)) 605x2 SW810 PWB-A4 604x4 LCD801 TAPE MECHANISM 603x2 PWB-A2 607x3 MECHANISM 605x2 602x3 QT-CD210W PWB-A1 605x2 Only SO651 604x2 T651 604x7 SP201 604x4 SW651 239x2 604x2 PWB-A3 604x4 BELT CONNECTION Main Belt Motor...
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Page 34: Packing Method (Qt-Cd210H For U.k. Only)
QT-CD210H/W PACKING METHOD (QT-CD210H FOR U.K. ONLY) • Setting position of switches and knobs 1. Polyethylene Bag, Unit SSAKH0001SJZZ 2. Operation Manual TiNSE0034SJZZ Tape Mechanism Control STOP STATE 3. AC Power Supply Cord QACCB0001SJ00 4. Packing Add., Left/Right SPAKA0036SJZZ TUNING 5. - Page 35 QT-CD210H/W — M E M O — – 8 –...
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Page 36: Sharp Corporation
QT-CD210H/W © COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.