Sharp CD-C2800 Manuale di Servizio

– 1 –CD-C422/C422C/C2800/C2800CNo. S3820CDC422//Illustration: CD-C422/C422CIllustration: CD-C2800/C2800C CONTENTSPageIMPORTANT SERVICE NOTES (For U.S.

CD-C422/C422C/C2800/C2800C– 10 –How to remove the pickup (See Fig. 10-2)1. Remove the screws (B1) x 2 pcs., to remove the shaft (B2).2. Remove the sto

– 11 –CD-C422/C422C/C2800/C2800CCF351T301IC302T382T302CF301IC301L301L312CNP301321TP302TP303TP301T333VR381T331IC303111FM BANDCOVERAGE fLFM RFFMAM LOO

CD-C422/C422C/C2800/C2800C– 12 –TEST MODE21TOTE200 ms1V/diVIC 1 15200 ms1V/diVIC 1 7TRACKING/ERRORBARANCEADJUSTFigure 12-2Figure 12-32110ms0.50 V

– 13 –CD-C422/C422C/C2800/C2800C• The indicated voltage in each section is the one measuredby Digital Multimeter between such a section and the chas-s

CD-C422/C422C/C2800/C2800C– 14 –WAVEFORMS OF CD CIRCUIT35ms0.50 VIC1 20 F.E15ms5.0 VIC1 54 DRFSTOP PLAYFOCUS SERCH135426789101134567896781011129

– 15 –CD-C422/C422C/C2800/C2800C Figure 15 BLOCK DIAGRAM (1/3)12345986720121324253031322234353610 1127262829PU-IN SWXL1XINLD0FIN2JP–CV+SLCSL1FIN1EFTO

CD-C422/C422C/C2800/C2800C– 16 – Figure 16 BLOCK DIAGRAM (2/3)SO401AUX INL-CHR-CHPB HEAD1234L NFL (T1)R (T1)L (T2)R (T2)R NF451321242318171019151214

– 17 –CD-C422/C422C/C2800/C2800C Figure 17 BLOCK DIAGRAM (3/3)M134311MUTELRRL-OUTR-OUTFM/AMITCHINGSTFM910MONO/STFM92512R-INL-IN7VCC14NF8+12V (DRIVER)

CD-C422/C422C/C2800/C2800C– 18 –ABCDEFGH123456Figure 18 WIRING SIDE OF P.W.BOARD (1/4)• The numbers 1 to 12 are waveform numbers shown in page 1

– 19 –CD-C422/C422C/C2800/C2800CFigure 19 WIRING SIDE OF P.W.BOARD (2/4)78 9 10 11 12CNSM1CNPM1TO TAPE MECHANISM PWBP20 5-DR759SW724OPEN/CLOSESW723DIS

CD-C422/C422C/C2800/C2800C– 2 – Front speaker sectionType: 2-way type [5-1/4" (130 mm) woofer andsuper tweeter]Maximum input power: 30 WImpedance

CD-C422/C422C/C2800/C2800C– 20 –ABCDEFGH123456Figure 20 WIRING SIDE OF P.W.BOARD (3/4)RCNPM1CNPM21212FWM1FWM2SWM3SWM4F. A. SF. P.1234567891011123421PH

– 21 –CD-C422/C422C/C2800/C2800CFigure 21 WIRING SIDE OF P.W.BOARD (4/4)78 9 10 11 12R+-+-PICK UP INSLIDE MOTORDISC MOTORM2CNP3ASW4M1+-1234560901OWER

CD-C422/C422C/C2800/C2800C– 22 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.CNS702CNS704CNP705IC701IX0191AWSYSTEM MICROCOMPUT

– 23 –CD-C422/C422C/C2800/C2800CFigure 23 SCHEMATIC DIAGRAM (2/10)78 9 10 11 12CNS703CNS702CNS703CNS704CNS701CNS701WOMPUTERR80610KR804100KR801 2.2K

CD-C422/C422C/C2800/C2800C– 24 –• The numbers 1 to 12 are waveform numbers shown in page 14.Figure 24 SCHEMATIC DIAGRAM (3/10)ABCDEFGH123456• NO

– 25 –CD-C422/C422C/C2800/C2800CFigure 25 SCHEMATIC DIAGRAM (4/10)78 9 10 11 12C53220PC69220PC70220PR75270R76270R732.7KR742.7KD811SS133IC91TA7291SLOAD

CD-C422/C422C/C2800/C2800C– 26 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.Figure 26 SCHEMATIC DIAGRAM (5/10)C5600.0033R55910K

– 27 –CD-C422/C422C/C2800/C2800CFigure 27 SCHEMATIC DIAGRAM (6/10)78 9 10 11 12C5600.0033R55910KC4511/50D4011SS133+B+BC4521/50R5674.7KQ576KTC3199 GRR5

CD-C422/C422C/C2800/C2800C– 28 –Figure 28 SCHEMATIC DIAGRAM (7/10)ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.CNS702CNS704C9800

– 29 –CD-C422/C422C/C2800/C2800CFigure 29 SCHEMATIC DIAGRAM (8/10)78 9 10 11 12R982330 (1/2W)1515R981330 (1/2W)C99122/50C99222/50CNS901S0901AC POWERIN

– 3 –CD-C422/C422C/C2800/C2800CNAMES OF PARTS Rear Panel 1. Speaker Terminals 2. AC Power Input Socket 3. FM/AM Loop Aerial Socket 4. Video/Aux

CD-C422/C422C/C2800/C2800C– 30 –ABCDEFGH123456• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.Figure 30 SCHEMATIC DIAGRAM (9/10)T333C33010/16C33

– 31 –CD-C422/C422C/C2800/C2800CFigure 31 SCHEMATIC DIAGRAM (10/10)0V0V0V5.1V0.1V0V5.1V4.2V0V987654321PINNO.VOLTAGEIC9117.2V0V12V321PINNO.VOLTAGEIC9

CD-C422/C422C/C2800/C2800C– 32 –TROUBLESHOOTING (CD SECTION)When the CD does not functionWhen the CD section does not operate When the objective lens

– 33 –CD-C422/C422C/C2800/C2800C• When the CD tray fails to open or close.Is there following voltage input in specific state of IC701 pin 19? Ope

CD-C422/C422C/C2800/C2800C– 34 –• Playback can only be performed when a disc isloaded.Is HF waveform normal (see the Fig.34-1, 2)?Check the tracking

– 35 –CD-C422/C422C/C2800/C2800C• Checking the spin system.YesNoPlay operation is performed without disc.The turntable rotates a little.The turntable

CD-C422/C422C/C2800/C2800C– 36 –1 DEFI Input Input terminal of defect detection signal (DEF). (Connected to OV when not used.)2 TAI Input For PLL Inpu

– 37 –CD-C422/C422C/C2800/C2800CIC2 VHiLC78623D-1:Servo/Signal Control(LC78623D) (2/2)FunctionTerminal NameInput/Output49* PW Output Output terminal

CD-C422/C422C/C2800/C2800C– 38 –IC1 VHiLA9241M/-1:Servo Amp.(LA9241M) (1/2)1 FIN2 Connection pin for photodiode of pickup.RF signal is generated throu

– 39 –CD-C422/C422C/C2800/C2800CIC1 VHiLA9241M/-1:Servo Amp.(LA9241M) (2/2)Pin No.Port NameFunction51 CL Micro computer command clock input pin.52 DAT

CD-C422/C422C/C2800/C2800C– 4 – Speaker Section Front Speaker 1. Super Tweeter 2. Woofer 3. Bass Reflex Duct 4. Speaker Wire 5. Tweeter 6. Super Tweet

CD-C422/C422C/C2800/C2800C– 40 –IC701 RH-iX0191AWZZ:System Microcomputer (IX0191AW) (1/2)1-7 FIP6-0 FL DRIVER Output Segment Output8 VDD VDD — Connec

– 41 –CD-C422/C422C/C2800/C2800CIC701 RH-iX0191AWZZ:System Microcomputer (IX0191AW) (2/2)Figure 41 BLOCK DIAGRAM OF IC56 P124TAPE1 RUN PULSEInput TAP

CD-C422/C422C/C2800/C2800C– 42 –FL701 : VVKFiP9EM7R-1 FL DisplayFigure 42-2 FL DISPLAY1 2 3RECX-BASSSLEEPSTMEMORYWIDETAkHzMHzNRSRSTPRDSDOLBY IC5 VH

– 43 –CD-C422/C422C/C2800/C2800CPARTS GUIDENOTE:Parts marked with “ ” are important for maintaining the safety of the set.Be sure to replace parts wit

PRICERANKDESCRIPTIONNO. PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-C422/C422C/C2800/C2800C– 1 –INTEGRATED CIRCUITSIC1 VHILA9241M/-1 J AS Servo Amp

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONCD-C422/C422C/C2800/C2800CC318 VCKYMN1HB101K J AA 100 pF,50VC319 VCKYMN1HB102K J AA

PRICERANKDESCRIPTIONNO. PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-C422/C422C/C2800/C2800CR77~79 VRD-MN2BD102J J AA 1 kohm,1/8WR82 VRD-MN2BD101J J

NO.PRICERANKDESCRIPTIONPARTS CODENO. PART CODEPRICERANKDESCRIPTIONCD-C422/C422C/C2800/C2800COTHER CIRCUITRY PARTSBIM5/CNS10/CNS5QCNWN0894AWZZ J AH Con

PRICERANKDESCRIPTIONNO. PART CODE NO. PARTS CODEPRICERANKDESCRIPTIONCD-C422/C422C/C2800/C2800C216 HDECQ0297AWSA J AF Panel,Cassette,Tape 2217 HDECQ029

CD-C422/C422C/C2800/C2800C– 7 –ABCDEFGH123456Figure 6 CD MECHANISM EXPLODED VIEWCD-C422/C422C/C2800/C2800C306-1701304701302301702702303M1703305x2SW4M

– 5 –CD-C422/C422C/C2800/C2800COPERATION MANUALSETTING THE CLOCK (Main unit operation)1Press the POWER button to turn the power off.2Press the CLOCK b

CD-C422/C422C/C2800/C2800C– 8 –Figure 7 CABINET EXPLODED VIEW (1/2)ABCDEFGH123456CD-C422/C422C/C2800/C2800CPWB-A2PWB-A3213PWB-A4PWB-A1TAPEMECHANISMSi

CD-C422/C422C/C2800/C2800C– 9 –Figure 8 CABINET EXPLODED VIEW (2/2)ABCDEFGH123456CD-C422/C422C/C2800/C2800C608253233242236229255253608233609x42532412

CD-C422/C422C/C2800/C2800C– 10 –ABCDEFGH123456Figure 9 SPEAKER EXPLODED VIEW (1/3)CP-C422SHARPSP3 (L-CH)SP4 (R-CH)SP1 (L-CH)SP2 (R-CH)SP1 (L-CH)SP2

CD-C422/C422C/C2800/C2800C– 11 –CP-C2800Figure 10 SPEAKER EXPLODED VIEW (2/3)ABCDEFGH123456TWEETERSP3 (L-CH)SP4 (R-CH)TWEETERSP3 (L-CH)SP4 (R-CH)S

CD-C422/C422C/C2800/C2800C– 12 –ABCDEFGH123456REAR SPEAKER SYSTEMFigure 11 SPEAKER EXPLODED VIEW (3/3)902901903904x3904x3SP1,2– 11 –

CD-C422/C422C/C2800/C2800C– 13 –PACKING OFF THE SET (For U.S.A. Only)Setting position of switches and knobsTape Mechanism STOPNot Replacement ItemBOTT

CD-C422/C422C/C2800/C2800C– 14 –No part of this publication may be reproduced,stored in a retrieval system, or transmitted inany form or by any means,

CD-C422/C422C/C2800/C2800C– 6 –MINI COMPONENTSYSTEMQuick-GuideGuía rápida Preparation for usePreparación para su uso Turning the power on and offCone

– 7 –CD-C422/C422C/C2800/C2800CDISASSEMBLYCaution on DisassemblyFollow the below-mentioned notes when disassemblingthe unit and reassembling it, to ke

CD-C422/C422C/C2800/C2800C– 8 –( E3 ) x1( F1 ) x2ø3x10mm( G1 ) x6ø3x10mmTapeMechanismCassetteHolderFront PanelPower Supply PWBOpen( J1 ) x1

– 9 –CD-C422/C422C/C2800/C2800C1 Front Speaker 1. Net....... (A1) x1 9-22. Duct Panel .... (A2) x13. Screw .....