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Sharp CD-C470HCD-C470E Service Manual

Center speaker system and surround speaker system
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Illustration: CD-C470H/CP-C470H
Manufactured under license from Dolby Laboratories Licens-
ing Corporation. DOLBY, the double-D symbol
"PRO LOGIC" are trademarks of Dolby Laboratories Licens-
ing Corporation.
• SRS technology Licensed from SRS Labe. SRS technology holds
the follwing patents: U.S. Patent No. 4,748,669, U.S. Patent No.
4,841,572 and U.S. Patent No. 4,866,774.
• SRS the SRS Logo (
) and the SOUND RETRIEVAL SYSTEM
are registered trademarks of SRS Labs, Inc.
Safety Precaution For Service Manual .......................................................................................................... 2
Important Service Notes (Cd-C470E Only) ....................................................................................................... 2
Specifications ............................................................................................................................................................ 3
Names Of Parts .......................................................................................................................................................... 4
Operation Manual ..................................................................................................................................................... 6
Disassembly ................................................................................................................................................................. 7
Removing And Reinstalling The Main Parts .................................................................................................. 10
Adjustment ................................................................................................................................................................ 11
Notes On Schematic Diagram ............................................................................................................................. 18
TYPE OF TRANSISTOR AND LED ................................................................................................................................ 18
Block Diagram .......................................................................................................................................................... 19
Schematic Diagram / Wiring Side Of P.w.board ............................................................................................. 22
Waveforms Of Cd Circuit ..................................................................................................................................... 43
Troubleshooting (Cd Changer Control / Cd Section) ............................................................................. 44
Function Table Of Ic .............................................................................................................................................. 48
Fl Display ..................................................................................................................................................................... 58
Wiring Of Primarily Supply Leads (Cd-C470E Only) ..................................................................................... 58
REPLACEMENT PARTS LIST/EXPLODED VIEW
Packing Of Method (FOR CD-C470E/CP-C470E ONLY)
CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
SERVICE MANUAL
CD-C470H, CP-C470H, center speaker system and surround speaker
and
system constitute CD-C470H.
CD-C470E, CP-C470E, center speaker system and surround speaker
system constitute CD-C470E.
CD-C480H, CP-C480H, center speaker system and surround speaker
system constitute CD-C480H.
• In the interests of user-safety the set should be restored to its
CONTENTS
SHARP CORPORATION
– 1 –
CD-C470H
CD-C470E
CD-C480H
CP-C470H
CP-C470E
CP-C480H
original condition and only parts identical to those specified be
used.
No. S6738CDC470HE
Page

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Summary of Contents for Sharp CD-C470HCD-C470E

  • Page 1 TROUBLESHOOTING (CD CHANGER CONTROL / CD SECTION) ................44 FUNCTION TABLE OF IC .............................. 48 FL DISPLAY ..................................58 WIRING OF PRIMARILY SUPPLY LEADS (CD-C470E ONLY) ..................58 REPLACEMENT PARTS LIST/EXPLODED VIEW PACKING OF METHOD (FOR CD-C470E/CP-C470E ONLY) SHARP CORPORATION – 1 –...

  • Page 2: Safety Precaution For Service Manual

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H (CD-C470H/CD-C480H) 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 LASER KLASSE 1 beam...

  • Page 3: Specifications

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-C470H/CD-C470E/CD-C480H General Cassette deck section Power source: AC 230 V, 50 Hz Type: Compact cassette tape Power consumption: 160 W Frequency response: 50 - 14,000 Hz (Normal tape) Dimensions: Width;...

  • Page 4: Names Of Parts

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H NAMES OF PARTS CD-C470H/CD-C470E/CD-C480H Front Panel 1. Disc Tray 2. Disc Number Selector Buttons 3. Disc Skip Button 4. Open/Close Button: 5. CD Play Indicator: 6. CD Repeat Indicator: 7. CD Pause Indicator: 10 11 12 5 6 7 8.
  • Page 5 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H CD-C470H/CD-C470E/CD-C480H Rear Panel 1. CD Digital Output Socket 2. Video/Auxiliary (Audio Signal) Input Sockets 3. AC Power Lead 4. FM 75 ohms Aerial Socket 5. MW/LW Loop Aerial Input Socket 6. Front Speaker Terminals 7. Center Speaker Terminals 8. Surround Speaker Terminals Speaker Section 9.

  • Page 6: Operation Manual

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H OPERATION MANUAL – 6 –...

  • Page 7: Disassembly

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H DISASSEMBLY Caution on Disassembly CD-C470H/CD-C470E/CD-C480H Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure Top Cabinet ( A1 ) x2 excellent performance: ø3 x12mm 1. Take cassette tape and compact disc out of the unit. 2.
  • Page 8 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H ( L1 ) x1 ( F3 ) x2 Headphon ø3 x10mm Front Panel ( F4 ) x3 ( L2 ) x1 ( F2 ) x2 ( G1 ) x1 ø3 x11mm ( F3 ) x1 Turntable ( F1 ) x1 ø3 x10mm ( F3 ) x1 Push...
  • Page 9 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H CP-C470H/CP-C470E/CP-C480H SURROUND SPEAKER SYSTEM REMOVAL PROCEDURE FIGURE STEP Front Speaker 1. Net ......(A1) x1 (Left/Right) 2. Front Panel ..... (A2) x1 3. Screw ...... (A3) x6 SURROUND SPEAKER SYSTEM STEP REMOVAL PROCEDURE FIGURE Top Cabinet 1. Screw ...... (B1) x6 Woofer CENTER SPEAKER SYSTEM STEP...

  • Page 10: Removing And Reinstalling The Main Parts

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION Perform steps 1, 2, 3, 14 and 15 of the disassembly method Turntable Up/Down Motor to remove the CD mechanism. How to remove the turntable up/down motor (See Fig. 10-1) 1.

  • Page 11: Adjustment

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H ADJUSTMENT TUNER SECTION MECHANISM SECTION fL: Low-range frequency • Driving Force Check fH: High-renge frequency Torque Meter Specified Value • AM IF/RF Play: TW-2412 Tape 1: Over 80 g Signal generator: 400 Hz, 30%, AM modulated Tape 2: Over 80 g Test Stage Frequency Frequency Setting/...

  • Page 12: Test Mode

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H TEST MODE • Setting the test mode Any one of test mode can be set by pressing several keys as follows. <REC. PAUSE> + <CD> + <POWER> TEST: CD operation test • TEST mode Function — CD test mode Setting of TEST mode Indication of CD TST mode (Fig.
  • Page 13 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H EXPLANATION OF DOLBY SURROUND PRO LOGIC AND EVALUATION METHOD Outline • Namely, two speakers are connected in parallel to one • In the normal mode of Pro Logic ON mode the amplifiers for amplifier. C-ch and S-ch are in operative state, so that the SP output •...
  • Page 14 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H 1. RDS Function ASPM STATION NAME PTY SEARCH Select and search (18 kind items) by cyclic NEWS-AFFAIRS ------ OTHER M - ALARM - TP - TA PTY(31) EON TI (TA) STAND-BY MODE Select and stand-by (17 kind items) by cyclic NEWS-AFFAIRS ------ OTHER M - ALARM - TI EON-PTY EON-TI/PTY...
  • Page 15 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H – 15 –...
  • Page 16 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H • ASPM SCAN: 87.50MHz → 108.00 MHz. • Only RDS signal is memorized by ASPM because RDS signal has PI code and is suitable and convenient for ASPM operation. ASPM Comparing field strength, only one strongest RDS station is memorized of all stations (repeater relay stations) that have same PI code.
  • Page 17 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H EON summary notice for reference 1. EON-TI/PTY EON stand-by can be set, only when EON ind. lights up. While EON ind. goes out (NO EON STATION), EON stand-by can't be set. If the EON button is pressed, then “NO EON” is indication the display. 2.

  • Page 18: Notes On Schematic Diagram

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H NOTES ON SCHEMATIC DIAGRAM • The indicated voltage in each section is the one measured • Resistor: by Digital Multimeter between such a section and the chas- To differentiate the units of resistors, such symbol as K and sis with no signal given. M are used: the symbol K means 1000 ohm and the symbol 1.

  • Page 19: Block Diagram

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H Figure 19 BLOCK DIAGRAM (1/3) – 19 –...
  • Page 20 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H SO301 FM IF ANTENNA CF351 X351 AMP. FL701 TERMINAL FM IF FM IF FM FRONT END QT21 CF301 Q301 CF302 AM IF FE301 8 6 5 FM IF IN T351 AM LOOP (AC) FM/AM ANTENNA IC303 VR351 FM IF DET/FM MPX/AM IF LA1832 FM MUTE LEVEL AM OSC...
  • Page 21 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H FL701 8 6 5 Q701 19 21 22 (AC) KEY MATRIX KEY5 SW701~SW717 SW719,SW721 SW723~SW726 SW728~SW734 SW736~SW740 KEY0 IC701 IX0170AW DATA INPUT/OUTPUT MICROCOMPUTER CLOCK EXPANDER LED701~LED712 IC702 LED714~LED719 BU2092F RESET Q704 SYS STOP Q705 14 15 16 17 18 Q706 ZD701 CD MUTE...
  • Page 22 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H 47/16 0.01 KTA1266 GR 0.01 – FIN2 – – FIN1 EFBAL – – – – FOSTA DGND TOSTA – 2FREQ – 0.1/50 LASER – 0.033 TE– FSTA – 100K LA9240M 8/12CM SERVO AMP. SLOF – – 0.033 5.6K TESI RFS–...
  • Page 23 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H MAIN PWB-A1(1/3) 0.01 EFLG µ-COM (CH) SBSY SUB-CODE INTERFACE DEF1 XVSS (CH) 3.3M X-TAL XOUT GENERATOR 2KX8 0.047 VVSS XVDD ISET MUTER TO MAIN KTC3199 GR SECTION ERROR 0.047 RVDD CLOCK COERECT P27 9-A CD_R-CH RCHO FLAG CONTROL CONTROL VVDD RVSS 220P...
  • Page 24 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H WT502 TO MAIN PWB P27 7-A FW702 FL701 9 8 7 6 5 41 40 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 Q701 KTC3199 GR –B...
  • Page 25 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H RD07 RD06 RD05 RD04 5.6K 3.9K 2.2K SW708 SW707 SW706 SW705 SW704 OPEN DISK DISK 3 DISK 2 DISK 1 /CLOSE SKIP LED715 LED714 DISC 3 LED717 LED716 DISC 2 LED719 LED718 DISC 1 LED714~LED719: DISPLAY PWB-C2 FW701 LMKD515B R749 RD01 RD02...
  • Page 26 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H TO D TO DECK SECTION TO CD SECTION TO DECK SECTION P29 12-D P23 7-H P29 12-C WT502 MAIN PWB-A1(2/3) D_GND CD_RWC R612 R680 CD_WRQ R611 CD_SQIN R610 CD_COOUT R609 CD_CQCK R608 CD_SL+ R607 CD_SL– R606 CD_RES R605 CD_MUT R604 R218 CD MUT...
  • Page 27 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H TO TUNER PWB TO DISPLAY PWB CD-C470H/480H TO CD SECTION P24 6-A P33 9-H ONLY P23 12-C,12-D FW702 CNP303 TO DECK TO DECK SECTION SECTION P29 12-D P29 12-D CNP502 T502 R561 L-CH R563 C585 1.8K 390P VIDEO/AUX 1 C586 R564 390P...
  • Page 28 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H QM05 PLAYBACK SIGNAL KTA1266GR DRIVER RECORD SIGNAL RM11 RM12 2.2K RM02 QM01 6.8K KTA1266GR DRIVER MOTOR DRIVER QM02 RM03 KTA1273Y TAPE MECHANISM PWB-F CM01 QM03 KTA1271Y TAPE RM07 FWM1 FWM2 DRIVER SPEED VRM1 MOT L MOT L 3.3K(B) 2.7K MOT H MOT H TAPE...
  • Page 29 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H MAIN PWB-B1(3/3) TA_MOT_H/L SWITCHING QM04 KRC104M RM06 2.2K TA_MOT_SW RM07 TO MAIN/CD M_12V SECTION P23 12-E RM09 2.2K SOLENOID REC FWD CAM SW M_GND F.A.S. RUN PULSE REC RVS T1 CrO C863 0.01 D_5V CD-C480H ONLY CD-C480H DM03 ONLY 1SS133 REC/PB HI_SPEED...
  • Page 30 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC901 STK48801 – – POWER AMP. C901 R905 1/50 C905 R901 100K R925 R909 R911 R927 Q901 KRC107 M C909 C917 47/50 (ML) H:OFF C911 R912 L:ON 47/35 C919 R917 (ML) C910 2.2K 47/50 C920 (ML) C944 R910 R908 C918 100/35 R902...
  • Page 31 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H POWER AMP. PWB-B2 HEADPHONES PWB-A3 HEADPHONES JA901 OUL_L HP_L OUL_L1 HP_L1 OUL_R HP_R OUL_R1 HP_R1 R932 R931 A_GND1 HP_GND (1/2W) (1/2W) F902 F901 L903 T2.5A T2.5A 2.2µH L 250V L 250V C924 100P R933 R934 R937 C930 0.022 C925 0.022 C926 0.022...
  • Page 32 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H VD301-1 MW ANT. KV1236Z23F R319 100K C343 C332 0.022 C342 T302 R358 0.022 8.2K VR351 LW ANT. 10K(B) C333 L353 T301 (CH) FM MUTE LEVEL C302 0.001 R331 C339 5.6K 2.7K C338 (0.7V) (CH) 0.001 1/50 Q302 KTC3199 GR D302 1SS133 T306...
  • Page 33 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H QT21 RT34 KTC3199 GR CD-C470H/480H 5.2V ONLY 2.6V (0V) (0V) (0V) C374 RT37 RT36 RT35 220K 220K 220K C373 0.033 R357 0.033 470K L354 R364 RT26 RT30 2.2K R363 RT28 2.2K C371 1/50 CT28 MUTING 47/10 Q353 CT29 LOW PASS KTC3199 GR 0.022 FILTER...
  • Page 34 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC453 FUNCTION BU4052BC SERECTOR R499 1.5K R498 4.7K R497 100K R494 R495 100K R493 R491 C476 1.5K 0.022 C475 0.22 (M L) R469 C472 R_OUT 0.33/50 C471 S_OUT L_OUT 100/16 Vref C469 S_IN 0.2 2 (ML) C467 C470 330P 0.47/50 C468 0.0018 (ML)
  • Page 35 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H ( ):CrO PLAY < >:CrO [ ]:CD NORMAL REC OTHER:CD NORMAL PLAY IC101 IC201 IC202 IC451 IC453 IC501 IC502 IC601 VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE NO. VOLTAGE 0V(0V) 5.3V 11.3V 5.7V 5.5V...
  • Page 36 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H TUNER PWB DISPLAY P P39 8-D P38 5-A FW702 CNP303 MAIN PWB-A1 C583 R552 R548 1 2 3 4 5 6 7 8 9 101112 C463 C458 R466 CNP502 R559 5 6 7 8 C462 R465 5 6 7 8 ZD551 IC504 C582...
  • Page 37 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PICKUP UNIT PICKUP UNIT TRAY MOTOR PWB DISPLAY PWB P42 1-D P42 1-D P42 1-H CD MOTOR PWB P38 5-A CNS2A CNS1A CNS10 P42 1-F FW702 CNS3A COLOR TABLE BROWN 01112 CNP1 RD(R) 5 4 3 2 1 ORANGE C869 YELLOW GREEN...
  • Page 38 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H TO MAIN PWB P37 7-A WT502 COLOR TABLE R746 BROWN R748 FW701-1 RD(R) R747 FW702 ORANGE YELLOW CD-C480H IC702 GREEN ONLY BLUE SW701 SW714 ON/STAND-BY SW702 R737 VIOLET SW703 CLOCK TIMER/SLEEP R738 GRAY R739 R744 RD12 WH(W) WHITE R743 TUNING DOWN BLACK R742...
  • Page 39 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H TUNER PWB-D CT23 CD-C470H/ 480H ONLY RT30 RT29 C302 RT32 RT28 RT37 RT33 RT36 RT34 RT35 R366 CT37 E C B XT21 Q354 CT26 Q353 R377 E C B LT22 R361 C371 CNP303 C374 R370 C373 X351 C368 R357 TO MAIN PWB C369 P36 6-A...
  • Page 40 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H TO MAIN PWB P37 7-H CNP801 6 5 4 3 2 1 POWER PWB-B1 FW902B D801 F804 C805 C811 T1.6A L 250V R807 C810 D809 D808 D807 C804 R802 D806 R803 D804 D803 C809 D805 D802 C803 F802 T4A L 250V C802 C801 F803...
  • Page 41 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H HEADPHONES JA901 HEADPHONS PWB-A3 TO MAIN PWB P36 2-G WT901 C924 C923 R931 R932 L903 FW903 POWER AMP.PWB-B2 COLOR TABLE BROWN R D ( R ) D951 ORANGE FW901 YELLOW R902 FW902A GREEN R901 R938 C901 BLUE F951 F951 VIOLET T1.6A T1.6A L 250V...
  • Page 42 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H MAIN PWB P37 11-A TAPE MOTOR WTM1 TAPE MECHANISM PWB-F FWM1 SWM4 SWM2 SWM3 SWM1 VRM1 REC RVS T2 CrO2 REC FWD T1 CrO2 TAPE SPEED CNPM1 FWM2 CNPM2 SWM5 F. A. S SWM6 PHM1 SOLENOID SOLM1 PICKUP UNIT TAPE 1 TAPE 2 PLAY BACK HEAD(55)

  • Page 43: Waveforms Of Cd Circuit

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H WAVEFORMS OF CD CIRCUIT STOP PLAY FOCUS SERCH 0.5ms 0.50 V 10.0 V IC1 20 F.E 0.5ms 10.0 V 0.5ms 5.0 V 0.50 V IC1 54 DRF 0.5ms 1.00 V PLAY 0.5ms 1.00 V NORMAL DISC TN0=01 20ms 1.00 V 0.5ms 5.0 V 20ms...
  • Page 44 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H 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 45 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H • When the CD tray fails to open or close. Check the OPEN CLOSE SW and the wiring from the IC801 Is there following voltage input in specific state of IC801 pin 53? pin 53 to the OPEN CLOSE SW. Open state: 0V Close state: 0V Intermediate state between open state and close state: 5V...
  • Page 46 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H • Playback can only be performed when a disc is loaded. Check the laser diode driver. Is the Focus servo active? (Can you hear it working?) Check the area around IC1(16) - (21) (focus servo circuit). If the disc is not turning, the DRF Does the DRF signal change from "L"...
  • Page 47 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H • Checking the spin system. Play operation is performed without disc. The turntable rotates a little. The spin driver circuit is normal. Check the periphery of IC1 pins 23 to 27, pin 39, and pin 40, IC2 The turntable fails to rotate or rotates at high speed. pin 12 and pin 13, IC5 to CNP3.

  • Page 48: Function Table Of Ic

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H FUNCTION TABLE OF IC IC2 VHiLC78623E-1:Servo/Signal Control(LC78623E) (1/2) (CD-C470H/C470E) IC2 VHiLC78623D-1:Servo/Signal Control(LC78623D) (1/2) (CD-C480H) Terminal Name Input/Output Pin No. Function DEFI Input Input terminal of defect detection signal (DEF). (Connected to OV when not used.) Input For PLL Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V. Output Output terminal of phase comparison for external VCO control.
  • Page 49 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC2 VHiLC78623E-1:Servo/Signal Control(LC78623E) (1/2) (CD-C470H/C470E) IC2 VHiLC78623D-1:Servo/Signal Control(LC78623D) (1/2) (CD-C480H) Terminal Name Input/Output Pin No. Function Output Output terminal of subcodes P, A, R, S, T, U and W. SFSY Output Output terminal of synchronous signal of subcode frame. It drops when subcode stands by. SBCK Input Clock input terminal to read subcode.
  • Page 50 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC1 VHiLA9240M/-1:Servo Amp.,(LA9240M) (1/2) Function Port Name Pin No. FIN2 Connection pin for photodiode of pickup. RF signal is generated through addition with FIN pin, and FE signal is generated through subtraction. FIN1 Connection pin for photodiode of pickup. Connection pin for photodiode of pickup.
  • Page 51 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC1 VHiLA9240M/-1:Servo Amp.,(LA9240M) (2/2) Function Port Name Pin No. Micro computer command clock input pin. Micro computer command data input pin. Micro computer command chip enable input pin. (DETECT RF) RF level detection output. (Focus Serch Select) Pin to switch focus search mode. (± search/+ search for reference voltage) VCC2 VCC pin for servo system and digital system.
  • Page 52 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC601 RH-iX0171AWZZ:System Microcomputer (IX0171AW) (1/2) Pin No. Terminal Name Input/Output Function ———— Output ————— REC/PB — Record/Playback selection signal ———— Output ————— CD MUT Output CD MUT signal CD RES Output CD DSP RESET signal CD SL- Output Slide return signal CD SL+ Output Slide feed signal...
  • Page 53 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC601 RH-iX0171AWZZ:System Microcomputer (IX0171AW) (2/2) Pin No. Terminal Name Input/Output Function — Positive power supply CD O/C SW Input CD open-close switch input DISC No. SW Input CD turntable position detection input CD U/D SW Input CD mechanism UP/DOWN chucking detection input T1 CrO SW Input Tape 1 CrO...

  • Page 54: Fl Display

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC701 RH-iX0170AWZZ:System Microcomputer (IX0170AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function P94/FIP6-P90/FIP2 G06-G02 Output FL display tube grid drive P81/FIP1,P80/FIP0 G01,G00 Output FL display tube grid drive — Positive power supply P27/SCK0 B CLK Output B serial clock output P26/S00/SB1 B DO Output...
  • Page 55 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC701 RH-iX0170AWZZ:System Microcomputer (IX0170AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function VLOAD VLOAD — Negative power supply for FL drive To be connected to -30V 72-76 P105/FIP15-P101/FIP11 S04-S00 Output FL display tube segment drive P100/FIP10 Output FL display tube grid drive 78-80 P97/FIP9-P95/FIP7 G09-G07...
  • Page 56 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC501 VHiLC75396E-1:Audio Processor (LC75396E) Function Terminal Name Pin No. RF1C1-RF1C3 Terminal to connect capacitor of filter configuration for equalizer F1 band Connect the capacitor between LF1C1(RF1C1) and LF1C2(RF1C2) between LF1C2 (RF1C2) and LF1C3(RF1C3). RF2C1-RF2C3 Terminal to connect capacitor of filter configuration for equalizer F2 band Connect the capacitor between LF2C1(RF2C1) and LF2C2(RF2C2) between LF2C2 (RF2C2) and LF2C3(RF2C3).
  • Page 57 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H ICT21 VHiLC72720/-1:Audio Processor (LC72720) Pin No. Function Terminal Name Input/Output VREF Output Reference voltage output (Vdda/2) MPXIN Input Base band (multiplex) signal input Vdda — Analog system power supply (+5V) Vssa — Analog system ground FLOUT Output Sub-carrier input (comparator input) Input Sub-carrier output (filter output) Input...

  • Page 58: Wiring Of Primarily Supply Leads (Cd-C470E Only)

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H IC601 RH-iX0171AWZZ: System Microcomputer(IX0171AW) SPE 4 REC MUT ANi 3 SPE 3 PB EQ ANi 2 SPE 2 ANi 1 P100 SPE 1 ANi 0 P101 Hi SPEED AVdd P102 BEET CUT AVref CD/TAPE CONTROL P103 TACUM SW P104 µPD 78045A P105 BiAS...
  • Page 59 New type cannot be used in place of current type. in use. C: Current type cannot be used in place of new type. F : Others New type can be used in place of current type. Blue SHARP CORPORATION Audio-Visual Systems Group Q.R.C.C SK•SG...
  • Page 60 CD-C460 Series Feb. '98 CD-C420 Series CD-C470 Series Dec. '97 LPLTP0001AWZZ LPLTP0004AWZZ CD-C480 Series Spring(MSPRD0035AWFJ) is necessary when used LPLTP0001AWZZ. Spring(MSPRD0035AWFJ) is unnecessary when uses LPLTP0001AWZZ. Inter changeability: LPLTP0001AWZZ + MSPRD0035AWFJ = LPLTP0004AWZZ. Blue SHARP CORPORATION Audio-Visual Systems Group Q.R.C.C SC•SL•SK•SG•SA•SZ•EX...
  • Page 61 New type cannot be used in place of current type. in use. C: Current type cannot be used in place of new type. F : Others. New type can be used in place of current type. Blue SHARP CORPORATION Audio-Visual Systems Group Q.R.C.C SC•SL•SG•SK•SA•SZ•EX...

  • Page 62: 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 63 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK Q461 VSKTC3203Y/-1 AC Silicon,NPN,KTC3203 Y CD-C470H/CD-C470E/CD-C480H [CD-C480H Only] Q463 VSKRC107M//-1 AC Digital,NPN,KRC107 M INTEGRATED CIRCUITS [CD-C480H Only] Q466 VSKRC107M//-1 AC Digital,NPN,KRC107 M VHILA9240M/-1 AV Servo Amp.,LA9240M [CD-C480H Only] VHILC78623D-1 AY Servo/Signal Control,LC78623D Q467 VSKRA107M//-1...
  • Page 64 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK VCCSMN1HL2R2C J AB 2.2 pF,50V ZDT21 VHEMTZJ5R1B-1 AC Zener,5.1V,MTZJ5.1B AA 0.0027 µF,16V VCTYMN1CX272K J [CD-C470H/480H Only] VCCSMN1HL270J AA 27 pF,50V AA 0.001 µF,50V FILTERS VCKYMN1HB102K J AA 0.033 µF,16V VCTYPA1CX333K AB 0.1 µF,50V,Electrolytic RC-GZA104AF1H...
  • Page 65 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AA 0.15 µF,50V,Electrolytic AA 0.022 µF,25V C222 RC-GZA154AF1H C397 VCTYMN1EF223Z AB 4.7 µF,50V,Electrolytic AB 100 µF,10V,Electrolytic C223 RC-GZA475AF1H C398 RC-GZA107AF1A AA 0.47 µF,50V,Electrolytic AA 0.022 µF,25V C224 RC-GZA474AF1H C399 VCTYMN1EF223Z AB 4.7 µF,50V,Electrolytic AB 4.7 µF,50V,Electrolytic...
  • Page 66 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AA 0.022 µF,25V C703 VCCCBT1HH150J AA 15 pF (CH),50V CT24 VCTYMN1EF223Z C704 VCCCBT1HH180J AA 18 pF (CH),50V [CD-C470H/480H Only] AA 0.01 µF,16V C706 VCTYBT1CY103M CT25 VCKYMN1HB561K J AA 560 pF,50V AB 3.3 µF,50V,Electrolytic C707 RC-GZA335AF1H...
  • Page 67 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK VRD-ST2CD682J AA 6.8 kohms,1/6W R319 VRD-MN2BD104J AA 100 kohm,1/8W VRD-MN2BD103J AA 10 kohm,1/8W R323 VRD-MN2BD683J AA 68 kohms,1/8W VRD-MN2BD392J AA 3.9 kohms,1/8W R324 VRD-MN2BD104J AA 100 kohm,1/8W VRD-MN2BD682J AA 6.8 kohms,1/8W R331 VRD-MN2BD562J AA 5.6 kohms,1/8W...
  • Page 68 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK R487 VRD-MN2BD104J AA 100 kohm,1/8W R651~653 VRD-MN2BD102J AA 1 kohm,1/8W [CD-C480H Only] R654 VRD-ST2CD102J AA 1 kohm,1/6W R488 VRD-MN2BD472J AA 4.7 kohms,1/8W R655 VRD-MN2BD102J AA 1 kohm,1/8W [CD-C480H Only] R656 VRD-ST2CD102J AA 1 kohm,1/6W...
  • Page 69 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE DESCRIPTION PART CODE PARTS CODE DESCRIPTION RANK RANK R918 VRG-ST2EC101J AB 100 ohm,1/4W,Fusible RT29 VRD-ST2CD102J AA 1 kohm,1/6W R919,920 VRD-RT2HD102J AA 1 kohm,1/2W [CD-C470H/480H Only] R921 VRD-ST2CD224J AA 220 kohms,1/6W RT30 VRD-MN2BD102J AA 1 kohm,1/8W R922 VRD-ST2CD393J AA 39 kohms,1/6W [CD-C470H/480H Only] R923...
  • Page 70 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK SW709 92LSWICHT1663T J AC Switch,Key Type [CD] MLEVF0007AW01 AC Lever,Idler Ass’y [Tape 1] SW710 92LSWICHT1663T J AC Switch,Key Type LANGT0039AWFW J AC Blacket Motor [TUNER/BAND] LANGT0040AWFW J AC Blacket Hold SW711 92LSWICHT1663T J AC Switch,Key Type [TAPE]...
  • Page 71 BA Amp.Panel Ass’y [CD-C470E] LHLDK9001AW00 AB Holder,CD Digital Output 205- 1 ———— — Amp.Panel XESSD30P10000 AA Screw,ø3×10mm 205- 2 92LBADGE1692A AC Badge,SHARP LX-JZ0022AFFD AA Screw,ø3×8mm GDORF0039AWSB J AF Cassette Holder,Tape 2 XEBSD30P10000 AA Screw,ø3×10mm HDECQ0217AWSA J AF Panel,Cassette,Tape 1 XJBSD30P06000 AA Screw,ø3×6mm...

  • Page 72: Super Tweeter

    CD-C470H,C470E,C480H/CP-C470H,C470E,C480H PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK P.W.B. ASSEMBLY (Not Replacement Item) SURROUND SPEAKER SYSTEM PWB-A1~3 92LPWB2515MAN1 J — Main/SRS/Headphones SPEAKER BOX PARTS (Combined Ass’y) [For CD-C470E Only] 92L121-0086 AN Net Frame Ass’y PWB-B1,2 92LPWB2515PWR1 J —...
  • Page 73 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H CD-C470H/CD-C470E/CD-C480H 306-2 306-1 306-3 305x2 PWB-C Figure 11 CD MECHANISM EXPLODED VIEW – 11 – – 70 –...
  • Page 74 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H CD-C470H/CD-C470E/CD-C480H 507x2 511x2 513x2 503x3 503x3 503x3 PWB-H SOLM1 SWM1 SWM5 SWM3 SWM2 SWM4 502x2 SWM6 PWB-F 80mm Figure 12 TAPE MECHANISM EXPLODED VIEW – 12 – – 71 –...
  • Page 75 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H CD-C470H/CD-C470E/CD-C480H CD-C480H Only 605x3 PWB-A2 209-1 PWB-A1 601x11 PWB-C1 258x2 609x9 609x2 609x2 209-2 612x4 601x3 FL701 CD-C480H PWB-D Only PWB-C2 CD-C470H /480H Only 201-7 201-11 201-3 201-8 205-1 201-15 280x2 201-3 201-12 603x2 201-9 201-10 201-13 TAPE 201-5 201-14 MECHANISM 205-2...
  • Page 76 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H CD-C470H/CD-C470E/CD-C480H 248-3 608x2 248-2 248-1 608x2 243x2 MECHANISM 619x2 622x4 PWB-G SOLM2 Figure 14 CABINET EXPLODED VIEW (2/2) – 14 – – 73 –...
  • Page 77 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H CP-C470H/CP-C470E/CP-C480H SUPER TWEETER TWEETER SP3 (L-CH) SP5 (L-CH) SP4 (R-CH) SP6 (R-CH) 704x4 C1,2 2.7µF/100V (N.P.) WOOFER SP1 (L-CH) SP5,6 SP2 (R-CH) 706x4 708x2 706x2 SUPER TWEETER SP5 (L-CH) SP6 (R-CH) SP3,4 TWEETER SP3 (L-CH) SP1,2 C1,2 SP4 (R-CH) 2.7µF/100V (N.P.) 707x2...
  • Page 78 CD-C470H,C470E,C480H/CP-C470H,C470E,C480H Figure 16 SPEAKER EXPLODED VIEW (2/2) – 75 – – 16 –...
  • Page 79 CP-C470E CD-C470E 4,5,6,7,8,9 Center Speaker Surround Speaker System System CP-C470E Surround Speaker System Center Speaker System A9706-4758NS•HA•M Printed in U.K Writer and Editor: Quality & Reliability Control Center of Audio-Visual Systems Group, Sharp Corp. SG • SK – 76 –...

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