Sharp CDC2900 Service Manual
Sharp CDC2900 - 3-CD Compact Stereo System Manual
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Sharp CDC2900 manual content summary:
- Sharp CDC2900 | Service Manual - Page 1
-C622 Illustration: CD-C2900 CD-C622/C2900 SERVICE MANUAL No. S3908CDC622// CD-C622 CD-C622 mini component system consisting of CD-C622 mini component system, CP-C622 and rear (GBOXS0021AWM1) speaker system. CD-C2900 CD-C2900 mini component system consisting of CD-C2900 mini component system and CP - Sharp CDC2900 | Service Manual - Page 2
CD-C622/C2900 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. IMPORTANT SERVICE audio product. 2. Inspect all protective devices such as insulating materials, cabinet having a return path to the chassis (antenna, metal cabinet, screw heads, knobs and - Sharp CDC2900 | Service Manual - Page 3
CD-C622 Except for Canada) Output power: (CD-C622 For Canada) Output power: (CD-C2900 Except for Canada) Output power: (CD-C2900 For Canada) Output terminals: (CD-C622) Output terminals: (CD-C2900 WRMS) Compact disc player section Type: 3-disc multi-play compact disc player Signal readout: Non- - Sharp CDC2900 | Service Manual - Page 4
Panel 1. CD Digital Output Socket 2. AC Power Input Socket 3. FM/AM Loop Aerial Socket 4. Video/Auxiliary (Audio Signal) Input Sockets 5. Front Speaker Terminals (CD-C622 Only) 6. Rear Speaker Terminals (CD-C622) 6. Speaker Terminals (CD-C2900) 1 2 - 4 - 3 4 5 6 (Illistration: CD-C622) - Sharp CDC2900 | Service Manual - Page 5
Tweeter 2. Tweeter 3. Woofer 4. Bass Reflex Ducts 5. Speaker Wire Rear Speaker (CD-C622 Only) GBOXS0021AWM1 1. Full Range Speaker 2. Speaker Wire CD-C622/C2900 Remote Control 1. Remote Control Transmitter LED CD Control section 2. Disc Number Select Buttons 3. Memory Button 4. Pause Button 5. Clear - Sharp CDC2900 | Service Manual - Page 6
6 - SETTING THE CLOCK (Main unit operation) In this example, the clock is set for the 12-hour (AM 12:00) system. CLOCK POWER MEMORY/ SET TUNING/ TIME ( ) 2 3 4 AM 12:00 AM 0:00 0:00 5 6 7 8 9 in memory including clock and timer settings, and tuner and CD presets. OPERATION MANUAL CD-C622/C2900 - Sharp CDC2900 | Service Manual - Page 7
CD-C622/C2900 - 7 - MINI COMPONENT SYSTEM Quick Guide/Guía rápida CD-C622 1 Check the supplied accessories / Compruebe los accesorios suministrados Remote control x 1 Controlador remoto x 1 FM/AM loop antenna x 1 Antena de cuadro de FM/AM x 1 2 Preparation for use / Preparación para su uso AC - Sharp CDC2900 | Service Manual - Page 8
C2900 - 8 - MINI COMPONENT SYSTEM Quick Guide/Guía rápida CD-C2900 1 Check the supplied accessories / Compruebe los accesorios suministrados 3 Listening to a CD / Audición de discos CD To stop the playback Para detener la reproducción Remote control x 1 Controlador remoto x 1 FM/AM loop antenna - Sharp CDC2900 | Service Manual - Page 9
electricity of integrated circuits and other circuits when servicing. (B1)x1 ø3x8mm Top Cabinet CD-C622/C2900 STEP REMOVAL PROCEDURE FIGURE 1 Top Cabinet 1. Screw A1) x4 9-1 2 Side Panel (Left/right) 1. Screw B1) x6 9-1 2. Hook B2) x2 3 CD Player Unit/ 1. Turn on the power supply - Sharp CDC2900 | Service Manual - Page 10
CD-C622/C2900 (E2)x2 (E3)x1 (E5)x1 (E2)x2 (G1)x1 (E4)x1 (E1)x1 ø3x10mm Front Panel ( M2 ) x2 ( M1 ) x1 ø3 x10mm CD Servo Shift Lever CD Changer Mechanism CD Player Base CD Mechanism Care when installing the CD changer mechanism. Install the CD changer mechanism on the CD player base after - Sharp CDC2900 | Service Manual - Page 11
method is not discribed. For details refer to the disassembling drawing in the Parts Guide. CD-C622/C2900 CP-C622 Front Panel (A1)x1 Piezo (A3)x4 (A2)x2 ø4x12mm Woofer Figure 11-1 CP-C2900 STEP REMOVAL 1 Front Speaker PROCEDURE FIGURE 1. Front Panel A1) x1 2. Tip A2) x2 3. Screw - Sharp CDC2900 | Service Manual - Page 12
CD-C622/C2900 REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION Perform steps 1, 2, 3, 13 and 14 of the disassembly method to remove the CD conductive aluminium foil around the front end of connector so as to protect the optical pickup from electrostatic damage. ( B1 ) x2 Stop - Sharp CDC2900 | Service Manual - Page 13
CD-C622/C2900 ADJUSTMENT MECHANISM SECTION • Driving Force Check Torque Meter Specified Value Play mV RF 98.00 MHz 98.00 MHz L302 *2 (10-30 dB) *1. Input: Antenna, Output: TP301 *2. Input: Antenna, Output: Speaker terminal • Detection Signal generator: 10.7 MHz, FM sweep generator • Tape - Sharp CDC2900 | Service Manual - Page 14
/C2900 TEST MODE • Setting the test mode Any one of test mode can be set by pressing several keys as follows. + + TEST: CD operation test • TEST mode Function - CD test mode Setting of TEST mode Indication of CD TST mode (Fig. 14-1) OPEN/CLOSE operation is manual - Sharp CDC2900 | Service Manual - Page 15
CD-C622/C2900 NOTES ON SCHEMATIC DIAGRAM • Resistor: To differentiate the units of resistors, SW724 SW725 SW726 SW727 SW728 SW729 SW730 SWM 3 SWM 4 SWM 5 DESCRIPTION TUNER/BAND VIDEO TAPE CD FF TUNING UP TUNING DOWN PLAY VOLUME DOWN VOLUME UP X-BASS/DEMO EQUALIZER DIMMER FOOL PROOF F.A.S. CAM - Sharp CDC2900 | Service Manual - Page 16
CD-C622/C2900 1 5ms 0.50 V IC1 20 F.E 2 5ms 5.0 V IC1 54 DRF 3 0.5ms 1.00 V HF 4 0.5ms 5.0 V TE 6 50ms 10.0 V JP+ 7 50ms 10.0 V JP- 8 50ms 0.50 V JP 9 50ms 1.00 V TE WAVEFORMS OF CD CIRCUIT STOP FOCUS PLAY SERCH 3 1 6 0.5ms 10.0 V JP+ 7 0.5ms 10.0 V JP- 8 0.5ms 0.50 V JP - Sharp CDC2900 | Service Manual - Page 17
CD-C622/C2900 Figure 17 BLOCK DIAGRAM (1/3) - 17 - PICKUP UNIT FOCUS COIL TRACKING COIL M2 SLED MOTOR M M1 SPINDLE MOTOR M PICKUP IN SW4 TO FD SPO NC SLD - Sharp CDC2900 | Service Manual - Page 18
CD-C622/C2900 FM AM LOOP ANTENNA ANTENNA L301 FM B.P.F IC301 1 TA7358AP 6 FM FRONT END 9 23 4 HIGH 15 H/N T1/T2 19 7 L REC 18 R 8 L NF 17 R NF 10 ALC JK601 VIDEO/AUX L AUX R TAPE TUNER CD -B4 11 10 L 5 R 16 L 4 R 17 L 3 IC601 M62439SP 13 R 8 L R 18 AUDIO PROCESSOR L 2 R - Sharp CDC2900 | Service Manual - Page 19
CD-C622/C2900 SWM3 PROOF SWM4 F.A.S SOLM1 ENOID SWM5 CAM R351 VCO ADJ MONO/ST 3 15 CO MO/ST L 9 R 10 N FM 82 48 83 47 84 46 VDD 85 45 86 44 87 43 IC701 88 42 IX0280AW 89 41 40 SYSTEM CONTROL 90 91 39 MICROCOMPUTER 92 38 93 37 94 36 95 35 96 34 AVDD 97 33 98 VDD - Sharp CDC2900 | Service Manual - Page 20
CD-C622/C2900 C33 0.47/50 C32 0.01 C34 0.33/50 A R2 1K C1 1 TR+ 2 2 2 FO+ 3 3 3 FO- 4 4 4 GND 5 5 5 PD 6 6 6 VR 7 7 7 F LD 8 8 8 LD CNP2 CNP3 CD MOTOR PWB-C CNP3A CNS3B CNS3A M M1 + SPINDLE MOTOR - G M M2 + SLED MOTOR - SW4 PICKUP IN 6 66 6 5 55 5 4 44 4 3 33 3 2 - Sharp CDC2900 | Service Manual - Page 21
CD-C622/C2900 C22 220P C57 0.001 R57 1K R58 1K R59 1K R61 1K R62 1K R63 1K +B R51 3.3M C39 R50 0.047 680 C40 0.047 R52 27K R53 1.2K 11 CD OP/CLOS DISC NO. UP/DOWN 3 4 5 6 7 8 9 10 11 12 13 14 15 +B +B CD SERVO PWB-B SOLM2 SOLENOID D91 1SS133 LOCK BIM05 1 SOL+ 1 M- M+ 2 SOL- 2 3 M- 3 - Sharp CDC2900 | Service Manual - Page 22
CD-C622/C2900 A AM LOOP ANT FM ANT B 1 1 2 2 3 3 C D E F CNP301 D302 1SS133 D303 1SS133 R304 82 C301 82P C304 4.7P(CH) C315 6.8P(UJ) IC301 TA7358AP FM FRONT END - Sharp CDC2900 | Service Manual - Page 23
C331 0.047 C330 8.2P(UJ) CD-C622/C2900 AM TRACKING fL AM ANT. +B T331 C349 0.022 C350 220/10 TP302 +B R340 5.6K R360 220K R347 3.9K C351 0.0022 C354 220P C355 220P C337 - Sharp CDC2900 | Service Manual - Page 24
CD-C622/C2900 IC601 M62439SP AUDIO PROCESSOR R612 15K C616 4.7P C620 10/50 C618 P21 12 - C TO CD SERVO PWB CNP11 BI601 A +B CNS11 1 R-CH 1 2 A_GND 2 B 3 L-CH CD_GND 3 001 Q602 2SC3331 C634 0.0047 622 ONLY R618 2.2K R614 10K 2900 ONLY C622 0.1/50 C619 0.022 R623 5.6K ZD601 MTZJ2.4B - Sharp CDC2900 | Service Manual - Page 25
CD-C622/C2900 RECORD SIGNAL CD SIGNAL IC601 M62439SP AUDIO PROCESSOR 1 20 2 19 R608 1.5K 3 18 R606 1.5K C141 1/50 C139 0.0033 C135 0.068 R141 56 C129 470P R139 560 R135 622:5.6K 2900:8.2K R145 10K IC101 AN7345K PLAYBACK AND RECORD/PLAYBACK AMP. SWITCHING Q124 2SA1015 GR R164 4.7K - Sharp CDC2900 | Service Manual - Page 26
CD-C622/C2900 + -Vcc -Vcc +Vcc NC NC Ch1 Out Ch2 Out - - A IC901 STK4074B POWER AMP (2Ch) Ch2 + Ch1 C904 10/50 C907 10/50 R925 0.1(1W) R929 - Sharp CDC2900 | Service Manual - Page 27
R924 56K 1K C924 15P CD-C622/C2900 CNP804 CNS804 C923 14 15 47P R946 +B 330(1/2W) RL901 R939 56K 22 33 44 55 66 77 88 CNP802 CNS802 +B CNS801 CNP801 D802 1SS133 C801 0.0047 11 22 2900 ONLY RL801 T.F T801 POWER TRANSFORMER SO801 AC INPUT AC POWER SUPPLY CORD AC 120V/60Hz P29 12 - - Sharp CDC2900 | Service Manual - Page 28
CD-C622/C2900 A DISPLAY PWB-A3 F F F P22 P21 P20 P19 P18 P17 P16 P15 P14 P13 P12 68 P21/DIST3 CD IC701 IX0280AW SYSTEM CONTROL MICROCOMPUTER 67 P22/DIST4 66 NC DISTOUT 65 SPN_P 64 SP_DET CD D DIST0 L:DEMOSTART DIST0 H:ECOSTART 63 SPRLY CD D 62 61 HI-CUT CD D 60 CD 59 58 S - Sharp CDC2900 | Service Manual - Page 29
CD-C622/C2900 G01 G02 G03 G04 G05 G06 G07 G08 G09 G10 G11 P01 F F F CNP12 P21 7 - H TO CD SERVO PWB CNP806 P27 7 - G 4 CE 5 CLK 6 LCK1 7 R778 1K R777 1K R776 1K R775 1K R774 1K 8 R772 CD DSP RWC 9 1K IC701 IX0280AW RESET 10 X2 11 R771 1K C707 15P TEM CONTROL X1 12 XL701 C708 - Sharp CDC2900 | Service Manual - Page 30
CD-C622/C2900 CD-C622 C625 R628 R646 R640 ZD602 A AM LOOP ANTENNA B 3 2 1 FM ANTENNA C M901 FAN MOTOR R-CH JK601 D VIDEO IN L-CH CNS804 RD 2 1 BR E L-CH + REAR R-CH + 12 OHMS MIN. L-CH - F SO901 SPEAKER R-CH - TERMINAL L-CH + R-CH + FRONT 6 - Sharp CDC2900 | Service Manual - Page 31
FC701 1 P35 8 - H TO DISPLAY PWB CNS701 RD BL BL P39 12 - D TO CD SERVO PWB CNP11 CNS11 123456 21 BL BL BL CD-C622/C2900 R114 R369 R167 Q128 BC E Q109 BC E Q110 321 Q126 R166 R365 R356 R160 R113 C109 321 Q111 123 R164 E Q124 C106 R168 C150 C151 - Sharp CDC2900 | Service Manual - Page 32
CD-C622/C2900 CD-C2900 R609 A AM LOOP ANTENNA B 3 2 1 FM ANTENNA C M901 FAN MOTOR R-CH JK601 D VIDEO IN L-CH CNS804 RD 2 1 BR E F L-CH + R-CH + SO901 FRONT SPEAKER 6 OHMS TERMINAL MIN. L-CH - R-CH - G H T331 R321 R323 CNP301 - Sharp CDC2900 | Service Manual - Page 33
CD-C622/C2900 P37 8 - H TO DISPLAY PWB CNS701 FC701 1 RD BL BL P39 12 - D TO CD SERVO PWB CNP11 CNS11 123456 21 BL BL BL R114 R369 R167 Q128 BC E Q109 BC E Q110 321 Q126 R166 R365 R356 R160 R113 3 2 1 1 2 3 C109 - Sharp CDC2900 | Service Manual - Page 34
C718 RS712 C719 IC703 RS711 CD-C622/C2900 CD-C622 A SWITCH PWB-A4 RS707 10 12 11 10 9 8 7 6 5 4 3 2 1 CNP806 CNS12 CNSM1 P38 1 - D H TO POWER PWB CNP12 CNPM1 P39 12 - B TO CD SERVO PWB P38 6 - A TO TAPE MECHANISM PWB 1 2 3 4 5 6 Figure 34 WIRING SIDE OF P.W.BOARD (5/11) - 34 - - Sharp CDC2900 | Service Manual - Page 35
CD-C622/C2900 COLOR BR RD(R) OR YL GR BL VL GY WH(W) 16 18 20 1 3 5 7 9 11 13 15 17 19 21 SW714 TUNER/ BAND R758 C715 C702 321 C714 RD02 RD01 SW717 CD R714 RD14 RD15 SW715 VIDEO RD03 SW704 TIMER/ SLEEP RD04 SW703 CLOCK SW701 POWER RD16 SW716 TAPE FW702 8 1 1 CNSM1 1 21 FC701 - Sharp CDC2900 | Service Manual - Page 36
C718 RS712 C719 IC703 RS711 CD-C622/C2900 CD-C2900 A SWITCH PWB-A4 RS707 10 12 11 10 9 8 7 6 5 4 3 2 1 CNP806 CNS12 CNSM1 P40 1 - D TO POWER PWB H CNP12 CNPM1 P39 12 - B TO CD SERVO PWB P38 6 - A TO TAPE MECHANISM PWB 1 2 3 4 5 6 Figure 36 WIRING SIDE OF P.W.BOARD (7/11) - 36 - - Sharp CDC2900 | Service Manual - Page 37
CD-C622/C2900 COLOR BR RD(R) OR YL GR BL VL GY WH(W) 16 18 20 1 3 5 7 9 11 13 15 17 19 21 SW714 TUNER/ BAND R758 C715 C702 321 C714 RD02 RD01 SW717 CD R714 RD14 RD15 SW715 VIDEO RD03 SW704 TIMER/ SLEEP RD04 SW703 CLOCK SW701 POWER RD16 SW716 TAPE FW702 8 1 1 CNSM1 1 21 FC701 - Sharp CDC2900 | Service Manual - Page 38
CD-C622/C2900 SWM3 F. P. TO DISPLAY PWB A 21 FWM1 12 FWM2 121110 9 8 7 6 5 4 3 2 1 CNPM1 E C809 SO801 AC POWER INPUT AC120/60Hz AC POWER SUPPLAY CORD DIGITAL OUTPUT PWB-A6 L99 1 2 3 IC99 CD-C622 POWER PWB-A2 SW2 MECHA UP CNS5 2 1 2 SW3 1 DISC NUMBER SW1 SENSOR PWB-D F OPEN/ - Sharp CDC2900 | Service Manual - Page 39
CD-C622/C2900 C47 C38 C46 R60 R59 R63 R58 C45 R61 C49 R57 R62 C44 CNS12 P34 3 3 2 1 20 15 10 5 IC3 25 30 35 40 22 C36 42 C82 C77 CNP10 1 2 3 4 5 6 7 8 9 10 D91 C35 1 10 CD SERVO PWB-B PICKUP UNIT(306) CNS1A 1 BK 2 WH 3 PK 4 5 YL BL 1 2 3 4 5 6 7 8 CNS2A GY RD WH GY WH GY WH - Sharp CDC2900 | Service Manual - Page 40
CD-C622/C2900 CD-C2900 A P33 10 - E TO MAIN PWB CNP802 B 1 2 3 4 5 6 7 8 CNS802 BR BK BR YL YL RD BL RD C T801 POWER TRANSFORMER RD BL D P36 2 - H TO DISPLAY PWB CNS806 1 2 - Sharp CDC2900 | Service Manual - Page 41
CD-C622/C2900 VOLTAGE IC1 PIN NO. VOLTAGE 1 2.5V 2 2.5V 3 2.5V 4 2.5V 5 2.5V 6 2.5V 7 2.5V 0V 6 0V 7 0V 8 -29.4V 9 29.4V 10 -0.1V 11 -0.1V 12 -28.0V 13 -0.1V 14 0.1V 15 0V (CD-C2900) IC901 PIN NO. VOLTAGE 1 -31.6V 2 -31.6V 3 31.8V 4 0V 5 0V 6 0V 7 0V 8 -30.5V 9 30 - Sharp CDC2900 | Service Manual - Page 42
CD-C622/C2900 TROUBLESHOOTING (CD SECTION) When the CD does not function When the CD and follow the troubleshooting instructions. "Track skipping and To avoid this problem, use a cleaning disc designed for CD optical pickup lenses. CD cleaner disc must not be used on car CD player or on computer CD - Sharp CDC2900 | Service Manual - Page 43
Check IC2 pin26 Q91 and Q93 and the periphery. Yes IC701 defective. CD-C622/C2900 No Check the SWM3 and the wiring from the IC701 pin 21 to there following voltage input on the IC701 pin 21 in the specific state? When the CD mechanism is moved up: 0V In other states: 4.3V Yes Is L output from - Sharp CDC2900 | Service Manual - Page 44
CD-C622/C2900 • When the CD tray fails to open or close. Is there following voltage above are OK, check the main microcomputer IC701. 0.5s 0.50 V IC1 16 FD • The CD operating keys work. Check the Focus - HF system. 0.5s 0.50 V IC1 7 TE Playback can be performed without a disc. Yes Does the - Sharp CDC2900 | Service Manual - Page 45
CD-C622/C2900 • Playback can only be performed when a disc is loaded. Is the Focus servo active? (Can you hear it working?) Yes Does the DRF signal change from "L" to "H"? Yes Is HF waveform normal (see the Fig.45-1, 2)? Yes Check the tracking system. Check the laser diode driver. No Check the - Sharp CDC2900 | Service Manual - Page 46
CD-C622/C2900 • Checking the spin system. Play operation is performed without disc. Yes The turntable rotates 39, and pin 40, IC2 pin 12 and pin 13, IC5 to CNP3. • Checking the VCO-PLL system Play operation is performed when disc exits. Yes Although HF waveform is normal, TOC data cannot be read. - Sharp CDC2900 | Service Manual - Page 47
CD-C622/C2900 FUNCTION TABLE OF IC IC1 VHiLA9241M/-1: pin for photodiode of pickup. Pin for input of DC component of TE signal. Pin to connect gain setting resistor of level of data slice with DSP. GND pin in the digital system. Output pin for focus search smoothening capacitor. (Tracking Balance - Sharp CDC2900 | Service Manual - Page 48
CD-C622/C2900 IC1 VHiLA9241M/-1:Servo Amp.(LA9241M) (2/2) Pin No. 51 52 53 54 55 56 57 58 . Pin to connect capacitor for bottom hold of RF signal. APC circuit output pin. APC circuit output pin. RF system VCC pin. VCC1 64 FIN2 1 LDS LDD BH1 PH1 LP2 63 62 61 60 59 APC RF DET VR REFI - Sharp CDC2900 | Service Manual - Page 49
CD-C622/C2900 IC2 VHiLC78622N-1: Servo/Signal Control (LC78622NE) (1/2) Pin No. 1 2 Terminal Name terminal for built-in VCO. 7 FR Input For VCO frequency range adjustment. 8 VSS - Digital system grounding terminal. Be sure to connect this terminal to 0V. 9 EFMO Output For slice level - Sharp CDC2900 | Service Manual - Page 50
CD-C622/C2900 IC2 VHiLC78622N-1: Servo/Signal Control (LC78622NE) (2/2) Pin No. 47* Terminal Name Flag processing of C1/C2 error detection and correction General-use port XTAL system timing generator RAM address generator Interpolation mute Bilingual Digital OUT Digital attenuator C2F - Sharp CDC2900 | Service Manual - Page 51
INA2 18 INB2 17 INC2 16 IND2 15 TONE2 14 TONEL2 13 OUT2 12 Vss 11 CONT Figure 51 BLOCK DIAGRAM OF IC - 51 - M63001FP CD-C622/C2900 42 IN6+ 41 IN6- 40 VCC4 39 OUT6- 38 OUT6+ 37 OUT5- 36 OUT5+ 35 34 33 32 GND 31 30 29 28 VCC3 - Sharp CDC2900 | Service Manual - Page 52
CD-C622/C2900 IC701 RH-iX0280AWZZ:System Microcomputer (IX0280AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function 1 VDD VDD - (+) POWER SUPPLY 2* P37 ENA 3 P36 DO 4 P35 DI 5 P34 CE 6 P33 CLK 7,8* - Sharp CDC2900 | Service Manual - Page 53
CD-C622/C2900 IC701 RH-iX0280AWZZ:System Microcomputer (IX0280AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function Input/Output Input/Output Output - Output KEY JOG INPUT A KEY JOG INPUT B SYSTEM MUTE CENTER MUTE SURROUND MUTE HI-CUT OUTPUT POWER OUTPUT SPEAKER OUTPUT RELAY CONTROL - Sharp CDC2900 | Service Manual - Page 54
CD-C622/C2900 FL701 VVKBJ685GNK-1: FL Display 11G 10G 9G S I S1 C O S5 S4 S3 S2 B7 B6 B5 B4 B3 B2 B1 1G 2G 3G 4G 5G B21 - Sharp CDC2900 | Service Manual - Page 55
PARTS GUIDE CD-C622/C2900 MODEL CD-C622 CD-C622 mini component system consisting of CD-C622 mini component system, CP-C622 and rear (GBOXS0021AWM1) speaker system. CD-C2900 CD-C2900 mini component system consisting of CD-C2900 mini component system and CP-C2900 speaker system. "HOW TO ORDER - Sharp CDC2900 | Service Manual - Page 56
CD-C622/C2900 NO. PARTS CODE PRICE RANK DESCRIPTION NO. PARTS CODE PRICE RANK DESCRIPTION CD-C622/C2900 Amp.,KIA4558P J AG Audio Processor,M62439SP J AQ System Control Microcomputer, IX0280AW J AM Input/Output Expander, Antenna AC OSC,AM AE AM IF AC FM Detection BE Power [622] BE Power [2900 - Sharp CDC2900 | Service Manual - Page 57
),50V AA 560 pF,50V AC 10 µF,16V,Electrolytic CD-C622/C2900 NO. C338 C349 C350 C351 C353 C354 C355~357 C901 PARTS CODE PRICE RANK DESCRIPTION VCKYMN1HB101K AA 0.022 µF,25V AB 10 µF,50V,Electrolytic AB 0.1 µF,50V,Electrolytic [2900 Only] AA 0.001 µF,50V [622 Only] AA 0.001 µF,50V AB 22 - Sharp CDC2900 | Service Manual - Page 58
CD-C622/C2900 NO. PARTS CODE PRICE RANK DESCRIPTION C902 C903 C904 C905 C907 C909 MN2BD683J J AA 68 kohms,1/8W VRD-MN2BD562J J AA 5.6 kohms,1/8W [622] VRD-MN2BD822J J AA 8.2 kohms,1/8W [2900] VRD-MN2BD682J J AA 6.8 kohms,1/8W VRD-ST2CD682J J AA 6.8 kohms,1/6W VRD-MN2BD561J J AA 560 ohms,1/8W VRD - Sharp CDC2900 | Service Manual - Page 59
VRD-ST2CD152J J AA 1.5 kohms,1/6W [622] VRD-ST2CD222J J AA 2.2 kohms,1/6W [2900] VRD-MN2BD103J J AA 10 kohm,1/8W VRD-ST2CD331J J AA 330 ohms,1/6W VRD-MN2BD153J 100 kohm,1/6W VRD-ST2CD683J J AA 68 kohms,1/6W CD-C622/C2900 NO. PARTS CODE PRICE RANK DESCRIPTION R903 R904 R905 R907 ! R912,913 R916 - Sharp CDC2900 | Service Manual - Page 60
] AG Switch,Leaf Type [F.A.S] AB Switch,Leaf Type [CAM] AB Bracket,Fan Support AP Main Chassis AC Support,T/T Lock Lever AB Cushion,Leg AM Heat Sink,Main AM Chassis,Loading AG Chassis,CD Mechanism AM Heat Sink,Sub AB Guide AB Support,Pitch AE Holder,FL AE Lever,Shift AC Lever,Lock AB Lever,Change - Sharp CDC2900 | Service Manual - Page 61
J AK FM/AM Loop Antenna TINSE0234AWZZ J AE Operation Manual [622 For U.S.A.] TINSE0242AWZZ J AE Operation Manual [2900 For U.S.A.] TINSK0079AWZZ J AG Operation Manual [622 For Canada] TINSK0080AWZZ J AG Operation Manual [2900 For Canada] TINSZ0391AWZZ J AB Quick Guide [622 For U.S.A Only - Sharp CDC2900 | Service Manual - Page 62
CD-C622/C2900 NO. PARTS CODE PRICE RANK DESCRIPTION CP-C622 SPEAKER BOX PARTS FRONT SPEAKER 901 AP Bottom Cabinet J Speaker Cord J AC Screw,ø3×14mm J Label,Parts Code J AS Speaker,Full-range CP-C2900 SPEAKER BOX PARTS 901 902 903 904 905 906 907 908 909 910 911 912 SP1,2 SP3,4 SP5,6 - Sharp CDC2900 | Service Manual - Page 63
CD-C622/C2900 A 306-2 306-1 B C 702 702 CD-C622/C2900 306 306-3 701 304 701 302 704 301 D 303 E 703x2 703x2 F G H 1 M1 305x2 SW4 305 M2 PWB-C 2 3 4 5 6 Figure 8 CD MECHANISM EXPLODED VIEW -- 683-- - Sharp CDC2900 | Service Manual - Page 64
CD-C622/C2900 CD-C622/C2900 249 249-1 A 602 622 203 604x2 PWB-A4 239 602x10 2900 203 PWB-A3 B 215 249-2 FL701 604x10 602x2 244 244-7 C 244-8 244-6 244-14 227 PWB-A5 604 253 240x6 244-18 PWB-A6 605x2 - Sharp CDC2900 | Service Manual - Page 65
CD-C622/C2900 A 617x2 202 B 620 621 CD-C622/C2900 256 255 255-3 255-2 255-1 237 219 236 SW3 C 236 236 221 251-3 251-2 D 251 251-1 251-4 603 223 E 611 213 236 F 238 G 210 617x2 201 CD MECHANISM 217 601 236 229 231 254 SW2 213 611 211 607 610 214 230 207 236x2 616 226 - Sharp CDC2900 | Service Manual - Page 66
CD-C622/C2900 CP-C622 A SP3,4 907x4 909 903 B C SP1,2 904 908 D 908 E 905 901 906 F PIEZO SP3(L-CH) SP4(R-CH) G WOOFER SP1(L-CH) SP2(R-CH) H 902 PIEZO SP3,4 RD RD BK BK WOOFER SP1,2 1 2 3 4 5 6 Figure 11 SPEAKER EXPLODED VIEW (1/3) -- 1616 -- - Sharp CDC2900 | Service Manual - Page 67
A 902,903 B 904,905 908x2 C SP5,6 CD-C622/C2900 TWEETER SP3(L-CH) SP4(R-CH) SUPER TWEETER SP5(L-CH) SP6(R-CH) 909x2 C1,2 Capacitor RED RED BK BK YE BK WOOFER SP3(L-CH) SP4(R-CH) - Sharp CDC2900 | Service Manual - Page 68
CD-C622/C2900 GBOXS0021AWM1 (CD-C622 ONLY) A SP1,2 B C 901 SP1,2 D 904x6 905 903 902 E F G H 1 2 3 4 5 6 Figure 13 SPEAKER EXPLODED VIEW (3/3) -- 1683 -- - Sharp CDC2900 | Service Manual - Page 69
CD-C622/C2900 CP-C622 PACKING OFF THE SET (For U.S.A. Only) Setting Pad A B Rear Speaker(L/R) GBOXS0021AWM1 92L16-01-0002 Polyethylene Bag FM/AM Loop Antenna Quick Guide Operation Manual AC Power Cord Remote Control 92LBAG1460C1 Polyethylene Bag., Accessories 92L17-01-0001 Packing Add - Sharp CDC2900 | Service Manual - Page 70
Packing Add.,(Left/Right) Bottom Front Speaker (L/R) 92L70032001600 Polyethylene Bag CP-C2900 92L71525003200 Sheet 92L720TPC46200 Packing Add.,(Top) FM/AM Loop Antenna Quick Guide Operation Manual AC Power Cord Remote Control 92LBAG1460C1 Polyethylene Bag., Accessories B A TOP FRONT - Sharp CDC2900 | Service Manual - Page 71
- M E M O - CD-C622/C2900 -- 1716 -- - Sharp CDC2900 | Service Manual - Page 72
CD-C622/C2900 COPYRIGHT © 1999 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
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CD-C622/C2900
No. S3908CDC622//
CONTENTS
Page
IMPORTANT SERVICE NOTES (For U.S.A. Only)
...........................................................................................................
2
SPECIFICATIONS
..............................................................................................................................................................
3
NAMES OF PARTS
...........................................................................................................................................................
4
OPERATION MANUAL
......................................................................................................................................................
6
QUICK GUIDE
...................................................................................................................................................................
7
DISASSEMBLY
..................................................................................................................................................................
9
REMOVING AND REINSTALLING THE MAIN PARTS
...................................................................................................
12
ADJUSTMENT
.................................................................................................................................................................
13
NOTES ON SCHEMATIC DIAGRAM
..............................................................................................................................
15
WAVEFORMS OF CD CIRCUIT
......................................................................................................................................
16
BLOCK DIAGRAM
...........................................................................................................................................................
17
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD
..............................................................................................
20
VOLTAGE
........................................................................................................................................................................
41
TROUBLESHOOTING (CD SECTION)
...........................................................................................................................
42
FUNCTION TABLE OF IC
................................................................................................................................................
47
FL DISPLAY
......................................................................................................................................................................
54
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING OF THE SET (For U.S.A. Only)
CD-C622
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
CD-C622 mini component system consisting of CD-C622 mini
component system, CP-C622 and rear (GBOXS0021AWM1) speaker
system.
Illustration: CD-C622
Illustration: CD-C2900
CD-C2900
CD-C2900 mini component system consisting of CD-C2900 mini
component system and CP-C2900 speaker system.