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Dolby noise reduction manufactured under license from Dolby
l
Laboratories Licensing Corporation.
" DOLBY" and the double-D symbol
Dolby Laboratories Licensing Corporation.
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NAMESOFPARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VOLTAGE SEl.&CTION
OPERATION MANUAL
Removing And Reinstalling The Main Parts . . . . . . . . . . . . . . . . . . . . . . . . 13115
Changer Mechanism Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16,17
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Function Table Of Ic / BLOCK DIAGRAM OF IC . . . . . . . . . . . . . . . . . . . . . . . . . .27-33
BLOCKDIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SCHEMATIC DIAGRAM/WIRING SIDE OF P.W.BOARD . . . . . . . . . . . . . . . . . . . . . 37-57
Notes On Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
TYPES OF TRANSISTOR AND LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR . . . . . . . . . . . . . . . . . . . . . . . . . .59
Exploded View.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..60-6 6
Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
............................................................................
SECTION) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-26
In the interests of user-safety the set should be restored to its original
l
condition and only parts identical to those specified be used.
. . . . . . . . . . . ::' ,:-: 2"
Page
3-6
18-21
34-36
67-80
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Summary of Contents for Sharp CD-C500Z
- 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. Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “ DOLBY” and the double-D symbol Dolby Laboratories Licensing Corporation.
- Page 2 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. . “‘ *” . . ) , A Tape: Compact cassette tape 50 - 15,000 Hz (00~ tape) Power source: AC 110 V/l 27 Vi220 VI S/N ratio: Dolby NR off;...
- Page 3 n Tuner control section Band indicators 2. Station Frequency 3. Preset Channel Indicator 4. FM Stereo Indicator: cc Auto Scan indicator 7. Memory Indicator Preset Channel Up/Down Buttons FM Mode Button Auto Scan/Manual Tuning Selector Button Tuning Up/Down Buttons n CD control section Play indicator: ) 1 6 .
- Page 4 Amplifier section 2. Graphic Equalizer Controls (LEFT) Remote Control Sensor 4. Extra Bass Indicator: X-BASS Graphic Equalizer Controls (RIGHT) 7. Dolby NR Switch Tape Selector Switch Power On/Stand-By Indicator Function Selector Buttons and Indicators 1 3. Volume Control Tape control section 15.
- Page 5 n Names of controls l CD Disc Number Select Buttons 14. Pauss Button: I, 1 6 . 1 9. Proper use of the remote control Aim the remote control at the remote control sensor with,” 60” with no obstacles, and operate as shown. operation becomes erratic.
- Page 8 Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep its safety and excellent performance: 2. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit. 3. Take off nylon bands or wire holders where they need be removed when disassembling the unit.
- Page 9 How to remove the pinch roller of tape 1 side (See Fig.l4-1.) TAPE MECHANISM SECTION 1. Remove the stop washer, (Dl) with a small precision Perform steps 1, 2, 3. 4, 5, 6, and 7 of the disassembly method screwdriver, and remove the pinch roller. to remove the tape mechanism.
- Page 10 CD MECHANISM SECTION Perform steps 1,2, 3,4,5 and 10 of the disassembly method to This changer mechamsm consists of 6 changers. Magazines are remove the CD mechanism. Replacement of pickup (See Figs. 15-1 and performed. 15-2.) When replacingthe pickup, refer to “ Cares when Handling Plckup discharge and disc tray selection are performed by the Assembly”...
- Page 11 Figure 17-l M o t o r D o w n ) Figure 17-2...
- Page 12 As for preparation for adjustment, adjusting method and re- placement of pickup refer to the relevant explanation in Service Position of each switch or control Manual “ADJUSTMENT PROCEDURES OF AUDIO PRO- Volume Graphic Equalizer Center Function Tape Dolby NR Driving Force Check Beat cancel Torque Meter Specified Value...
- Page 13 F M IF/RF Signal generator: 1 kHz, 40 kHz dev., FM modulated Test Stage Frequency Frequency Instrument Setting/ Display Adjusting Connection Point Band 67.5 MHz 1324 (fL): Signal generator: 400 Hz, 30%, AM modulated coverage 1 .a5 v i Span Selector Switch: 9kHz 50 mV Test Stage Frequency Frequency Specified...
- Page 14 When adjusting, be sure to refer to Service Manual “ ADJUSTMENT PROCEDURES OF AUDIO PRODUCTS” . Test Depressing the FF button and REW button, turn on the power switch. Adjusting Specified Instrument Connection Point MHz I 15 kHz Pin 9 of ICl and GND. 4.320 The procedure of adjustment differs from that stated in Service Manual...
- Page 15 V P - P Figure 21-1 TRACKING GAIN Figure 21-2 HF OUTPUT Figure 21-3 ADJUSTMENT POINTS...
- Page 16 Remove the cabinet and follow the troubleshooting instructions. Turn the power switch on the unit to ON. Does the spin motor run? When the disc is initialized, is TOC read? Is TOC set to the playback mode? Is there any audio outpu Check the audio circuit.
- Page 17 Is the standby switch signal(L) being input to pin 50 of the control microcomputer(lC801)? Is the loading end switch signal (H) being input to pin 49 of the control microcomputer (IC801)? Is the motor drive output being output from pins 3 and 10 Is there +10.5V at pins 7 and 9 of IC6? of the motor driver (IC6)? The loading motor (M3) is defective.
- Page 18 Is the disc initialized? A Check the item of “ The laser diode goes on.” on.” 1 Does the tracking servo operate normally? Is the EFM signal of pin 36 of IC2 flat? (Lower side) Normal Replace the disc or change the program. Is the tracking signal being output Is the tracking error signal (pin 2 of IC2) being output? from the oickuo main unit?
- Page 19 Pickup height error When the magazine is closed Is the EFM signal of pin 36 of IC2 1 without loading disc, does the being output? Laser diode output error pickup lens tray move up and down? Are the voltages at pins 10 and 5 of the focus driver (IC4) +7.3V and -7.3V, respectively? Is the FRF disc reflection signal...
- Page 20 Is the laser control signal of pin 38 (LANF) of the microcomputer (IC801) at a low level? emitter voltage +5V? Replace the optical pickup. Is the pickup returned to the innermost part? Is the pickup in switch SW1 turned to ON? Check if pins 57 (FEM+) and 58 (FEM-) of ICI are Defective outputting.
- Page 21 Function Terminal Name the standby state of the cassette mechanism is determined. (PAUSE/DOWN/MEMORY/DISC: MOTOR3 Output Motor forward/reverse control Remote control signal input operation is confirmed when disc Input Detects whether a magazine is locked or not. With magazine locked = “ L” Input The voltage of VL3 are applied to the LCD...
- Page 22 Input for applying the trackin Output Crystal clock synchronizing signal 3 3 ’ /XFSY /detection flag CD ROM terminal In this unit, the terminal with asterisked mark (* ) is (open) terminal which is not connected to the outside.
- Page 23 Figure 29 BLOCK DIAGRAM OF IC...
- Page 24 Input/ P i n Termi- ! Function output Name Input 50 STEREO 5 5 ’ - NC (Non connection) 5 6 ’ - NC (Non connection) 57’ - NC (Non connection) 5 8 ’ - NC (Non connection) NC (Non connection) 6 0 ’...
- Page 25 Figure 31 BLOCK DIAGRAM OF IC...
- Page 27 Figure 33 BLOCK DIAGRAM OF IC...
- Page 28 Figure 34 BLOCK DIAGRAM (l/2)
- Page 40 Resistor: The indicated voltage in each section is the one measured by Digital Multimeter betweensuchasectionandthechassis To differentiate the units of resistors, such symbol as K and M are used. the symbol K means 1000 ohm and the symbol no signal given. M means 1000 kohm and the resistor without any symbol is Schematic diagram and Wtring Side of P.W.Board for this 0 lV/OI”...
- Page 41 E C B B C E B C E D S G...
- Page 42 3 0 2 Figure 61 CD MECHANISM EXPLODED VIEW...
- Page 43 Figure 63 CABINET EXPLODED VIEW (112)
- Page 45 DESCRIPTION PART CODE DESCRIPTION CODE Q596 Q597 “HOW TO ORDER REPLACEMENT PARTS” Q603 To have your order fIlled promptly and correctly, please furnish the following information. 2. REF. NO. 4. DESCRIPTION J Zener,lZV,RDlPJBl Q671.672 NOTE: J Zener,') lV,RDY lJS1 Parts marked wlth"i""are important for malntainlng the safety of the set. Be sure to replace these parts with specified ones 0985 J Zener,9.1V,RD9 lJSl for maintalnlng the safety and performance of the set.
- Page 46 PART PART NO. * DESCRIPTION CODE C277 VARIABLE RESISTORS CAPACITORS C278 There are two types of ~apachrs available and they can be identtfied from each c279 [Focus Gmnl other by readw their Part Numbers J 47 kohms (B),Semi-VR A symbol "c" or ,'K' IS @"en at the 3rd dlglt of 1,s Part Number ,,ke "VCC car C283 [Focus Offset] V R 4...
- Page 47 REF.NO. PART NO. DESCRIPTION CODE REF.NO. PART NO. DESCRIPTION CODE J 1 ,~F,50V,Electrolytic J 150 pF,5OV J 0.033 /~F,25v J 150 pF,5OV J 1 /*F,50V,Electrolytic J 10 pF,lbV,Electrolytic J 0.022 j1F,50V J 47 pF,lGV,Electrolytic J 0.0022 pF,16V J 47 ~F,lbV,Electrolytic J 0.022 ,uF,25V J 0.68 /IF,SOV,Electrolytic J 1 pF,50V,Electrolytrc...
- Page 48 PART NO. DESCRIPTION CODE DESCRIPTION CODE REF.NO. PART J 180 kohms,l/aW J 120 kohms,l/6W J 220 ohms,l/aW Plastic J 2.2 kohms,l/aW J 270 kohms,l/aW J 330 ohms,l/SW C981 J 2.2 kohms,l/8W C982 J 22 kohms,l/aW J 27 kohms,l/8W J 15 kohms,1/8W J 10 ~F,lGV,Electrolytic C987 J 100 kohm,l/aW...
- Page 49 DESCRIPTION PART NO. REF.NO. PART NO. CODE REF.NO. DESCRIPTION CODE J 10 kohm,l/8W R307 J 1.5 kohms,l/6W R222 J 18 kohms,l/aW R308 J 22 kohms,l/8W R223 J 10 kohm,l/8W R309 J 82 ohms,l/6W R224 J 18 kohms,l/aW R310 J 68 ohms,l/4W R225 J 33 kohms,l/aW R321...
- Page 50 DESCRIPTION REF.NO. PART NO. CODE REF.NO. PART NO. DESCRIPTION CODE J 18 kohms,l/8W J 5.6 kohms,l/8W J 1 kohm,l/6W J 4.7 kohms,1/8W J 3.9 kohms,1/8W R693 J 560 ohms,l/6W J 220 kohms,l/6W J 1 kohm,l/6W R695 J 10 kohm,l/8W R497 R696 VRD-MNZBDIOZJ J 1 kohm,l/dW...
- Page 51 DESCRIPTION CODE REF.NO. PART NO. DESCRIPTION CODE REF.NO. PART NO. J 820 ohms,l/8W CNP6 R894 J Plug,3Pin R895 1 Mohm,l/aW CNP8 CNP201 J Plug,9Pin R896 J 150 ohrns,l/8W VRD-MNZBD15 1 J J Plug,9Pin R898 CNP401 J Plug,l2Pin CNP402 R899 J Plug,3Pin CNP403 CNP404 J Plug,dPin...
- Page 52 PART NO. DESCRIPTION CODE PART NO. DESCRIPTION CODE J Lever,Swrth Actuator [Load End] J Lever,Button Actuator J SwitchSkeleton T y p e [Di: J Lever,Record J Lever,Play SW401 J Lever,Rew Cancel1 J Lever,FF J Switch,Leaf Type [Tl SW451 J LeverStop Motor] J Lever,Pause SW452...
- Page 53 REF.NO. PART NO. DESCRIPTION CODE REF.NO. PART NO. DESCRIPTION CODE J Screw,Motor J Pinch Roller J Screw,Motor Bracket J Lever,Button J Main Chassis J Shaft,Button Lever J Lever,Pause J Frame,Button Lever J Spring,Pause Lever J Lever,Kick J Spring,Cassette Press J Lever,Kick J Screw,Head Panel J Caller J Plate,Release...
- Page 54 DESCRIPTION PART NO. CODE REF.NO. PART NO. CODE DESCRIPTION J Gear Plate Ass’ y J Main Chassis Ass’ y Cord J Main Case Ass’ y Cassette Cover(Not J Nylon Band,6Omm Replacement Item) 408-2 J Sleeve,Loading Plate Ass’ y J Sleeve,Loading Hook Ass’ y J Sleeve,Loading Link Ass’...
- Page 55 PART DESCRIPTION REF.NO. A479 J Label,Speccal Feature J Nylon Band,60mm J Holder,CD Guide J Knob,Mic Mixing Australia] J Bracket,Graphic Equalizer Shield Australia] J Shield Box,Tuner J Label,CLASS Saudi Arabia] J Felt,LCD P W B J AC Plug Adaptor J Heat Sink [Except for Australia and Saudi Arabia] J PaneLMade In Malaysia...
- Page 56 J Packing Case,CP-C500H with J Pad [For Australia] J Packing Add.,Top/Bottom J Pad,Top/Bottom [Except for Australia] J PadCenter J Polyethylene BagSpeaker A91 09-l 784NK.lS.M Writer and Editor: Quality & Reliability Control Center of Communication & Audio Systems Group, Sharp Corp. Printed in Japan...
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