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CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421

CONTENTS

Page

SPECIFICATIONS ............................................................................................................................................................. 2

VOLTAGE SELECTION (CD-C405W ONLY) .................................................................................................................... 2

NAMES OF PARTS ........................................................................................................................................................... 3

OPERATION MANUAL ...................................................................................................................................................... 5

DISASSEMBLY .................................................................................................................................................................. 6

REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 9

ADJUSTMENT ..................................................................................................................................................................10

NOTES ON SCHEMATIC DIAGRAM ...............................................................................................................................12

BLOCK DIAGRAM ............................................................................................................................................................13

SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ..............................................................................................16

WAVEFORMS OF CD CIRCUIT .......................................................................................................................................30

TROUBLESHOOTING (CD CHANGER CONTROL / CD SECTION)............................................................................... 31

FUNCTION TABLE OF IC................................................................................................................................................ 35

FL DISPLAY ......................................................................................................................................................................41

REPLACEMENT PARTS LIST/EXPLODED VIEW

SHARP CORPORATION

SERVICE MANUAL

CD-C405W and CP-C405 constitute CD-C405W.

CD-C420H and CP-C410 and CP-SR421 constitute CD-

C405W.

CD-C405W

CD-C420H

CP-C405

CP-C410

CP-SR421

Illustration: CD-C405W/CP-C405

Illustration: CD-C420H/CP-C410/CP-SR401

• In the interests of user-safety the set should be restored to its

original condition and only parts identical to those specified be

used.

No. S5733CDC405W/

Summary of content (19 pages)

PAGE 1
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 SERVICE MANUAL No. S5733CDC405W/ CD-C405W CD-C420H CP-C405 CP-C410 CP-SR421 Illustration: CD-C405W/CP-C405 CD-C405W and CP-C405 constitute CD-C405W. CD-C420H and CP-C410 and CP-SR421 constitute CDC405W. Illustration: CD-C420H/CP-C410/CP-SR401 • In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used. CONTENTS Page SPECIFICATIONS ...................................................
PAGE 2
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS CD-C405W/CD-C420H CD-C405 Speaker section General Power source: (CD-C405W) Power source: (CD-C420H) Power consumption: Dimensions: Weight: Type: 2-way type [10 cm (4") woofer and super tweeter] Maximum input power: 20 W Impedance: 8 ohms Dimensions: Width; 180 mm (7-1/8") Height; 300 mm (11-13/16") Depth; 214 mm (8-7/16") Weight: 2.4 kg (5.3 lbs.
PAGE 3
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 NAMES OF PARTS 1 CD-C405W/CD-C420H Front Panel 1. Disc Tray 2 2. Disc Number Indicator 3. Timer Indicator 4. Record Indicator 5. Sleep Indicator 6. Extra Bass Indicator: X-BASS 7. Function/CD Track/CD Counter/Frequency/Preset Channel/Volume/Timer/Sleep Time Indicator 8. Memory Indicator 9. FM Stereo Mode Indicator: ST 10. FM Stereo Indicator: 11. CD Play Indicator: 12. CD Repeat Indicator: 13.
PAGE 4
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 CD-C420H Rear Panel 1. Speaker Terminals 2. AC Power Lead 3. Video/Auxiliary (Audio Signal) Input Sockets 4. FM 75 Ohms Aerial Socket 5. AM Loop Aerial Socket 3 4 1 5 2 CP-C410 Speaker Section 6. Full Range Speaker 7. Speaker Wire 6 7 CP-SR421 Speaker Section 8. Full Range Speaker 9. Speaker Wire 8 9 CP-C405 10 Speaker Section 10. Super Tweeter 11. Woofer 12. Speaker Wire 11 CD-C405W/CD-C420H 12 Remote Control 1.
PAGE 5
–5– 9 8 7 6 5 4 3 2 0:00 AM 0:00 TUNING/TIME ( ) MEMORY/ SET CLOCK ON/ STAND-BY AM 12:00 In this example, the clock is set for the 24-hour (0:00) system. SETTING THE CLOCK Press the ON/STAND-BY switch to enter the stand-by mode. or ) button to select the time Press the TUNING/TIME ( or ) button to adjust the minutes. Press the button for at least 0.5 seconds to change the time in 5 minute intervals. The hour setting will not advance even if minutes advance from "59" to "00".
PAGE 6
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 DISASSEMBLY CD-C405W/CD-C420H Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take cassette tape and compact disc out of the unit. 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 7
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 ( E1 ) x9 ø3 x8mm ( K1 ) x4 ø3 x14mm Front Panel ( E1 ) x1 ø3 x8mm ( L1 ) x1 ø2.6 x10mm Display PWB Shift Lever ( E2 ) x2 ( E2 ) x1 ( E1 ) x1 ø3 x10mm CD Changer Mechanism Tape Mechanism Main PWB ( E2 ) x1 CD Player Base Care when installing the CD changer mechanism. Install the CD changer mechanism on the CD player base after the shift lever has been set in the highest position.
PAGE 8
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 CP-SR421 CP-C405 Front Panel (C1) x1 Woofer Speaker Box Screw driver (B1)x2 ø3x20mm (B1)x2 ø3x20mm (B1)x2 ø3x20mm Driver should be pried away from speaker Box.
PAGE 9
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION Perform steps 1, 2, 3, 10 and 11 of the disassembly method to remove the CD mechanism. Loading Motor How to remove the loading motor (See Fig. 9-1) 1. Remove the screws (A1) x 2 pcs., to remove the loading motor. ( A1 ) x2 ø2 x5mm Figure 9-1 How to remove the turntable up/down motor (See Fig. 9-2) 1. Remove the screws (B1) x 2 pcs., to remove the turntable up/down motor.
PAGE 10
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 ADJUSTMENT TUNER SECTION MECHANISM SECTION • Driving Force Check Torque Meter fL: Low-range frequency fH: High-renge frequency • AM IF/RF (CD-C405W) Signal generator: 400 Hz, 30%, AM modulated Specified Value Play: TW-2412 Tape 1: Over 80 g Tape 2: Over 80 g • Torque Check Torque Meter Tape 2 30 to 60 g. cm 30 to 60 g.cm Fast forward: TW-2231 — 60 to 120 g.cm Rewind: TW-2231 — 60 to 120 g.
PAGE 11
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 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. 11-1) IL is not performed. OPEN/CLOSE operation is manual operation. The pickup can be moved by using the ( LASER ON Tracking on the spot. SERVO OFF PLAY key input ) or ( ) key.
PAGE 12
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 NOTES ON SCHEMATIC DIAGRAM • The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chassis with no signal given. 1. In the tuner section, ( ) indicates AM < > indicates FM stereo 2. In the main section, a tape is being played back. 3. In the deck section, a tape is being played back. ( ) indicates the record state. 4. In the power section, a tape is being played back. 5. In the CD section, the CD is stopped.
PAGE 13
– 13 – Figure 13 BLOCK DIAGRAM (1/3) M M PICKUP IN SW4 M1 SPIN MOTOR M2 SLIDE MOTOR TRACKING COIL FOCUS COIL 24 25 30 31 12 13 6 7 1 2 3 4 22 32 8 9 10 11 IC5 M56748FP DRIVER 5 26 27 28 29 34 35 36 20 30 31 54 SERVO AMP. 15 16 27 23 29 FIN2 FIN1 E F LA9240M IC1 64 VCC1 62 LD0 TO FD SPO SP SLD JP– 32 CV+ 40 SLC 43 SL1 44 ~ Q1 SL– SL+ DRF 20 JP– PU-IN SW +B1 SL+. SL–.
PAGE 14
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 +B4 420H ONLY 420H ONLY 420H ONLY +B6 FM IF 1 420H: S0003AW 405W: S0005AW 2 6 T351 4 VCC FM 2 MIX OUT 1 AM VR351 FM MUTE LEVEL 420H ONLY 4 5 8 9 FM DET 17 FM OSC 420H ONLY 21 10 7 6 SD 22 STEREO 23 AM OSC OUT AM OSC IN 24 IF OUT 405W ONLY L354 MONO/ 18 16 13 IC303 LA1832 FM/AM IF AFC AM LOOP ANTENNA 14 15 L-CH R-CH 12 MUTIN +B6 BALUN VOLTAGE REGURATER +B4 AM BAND COVERAGE X352 4.
PAGE 15
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 +B2 UNSWITCH +B1 FL701 DISPLAY 1 2 3 ~ MEMORY BACK UP 30 31 32 33 TO CD SECTION TO CD SECTION CD UP DOWN/DISC NO T2 RRUN PLSE L-CH INPUT R-CH INPUT MONO/ST TAPE BIAS TAPE REC T1/T2 CD DSP WRQ CD DSP RWC CD DSP CQCK CD DSP COIN CD DSP SQOUT RESET CD DSP RES CD T/T OPEN/CLOSE Q701 14 15 L-CH R-CH MUTING Q353 Q354 9 7 8 10 11 12 13 14 15 16 17 18 19 20 TO POWER SECTION +B5 PHM1 21 22 23 24 25 KEY SW701 ~ 6 29 IC701 IX0191AW SYSTEM CONTROL MICRO
PAGE 16
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 A 11 4 5 6 P19 7-H TO SENSOR PWB CNS10 C44 IC91 R96 R95 Q93 C52 R792 R746 C703 R778 C58 D7 D5 23 27 R754 R730 28 R737 30 SW725 VIDEO/AUX R761 L701 31 32 33 R776 R786 ZD701 R798 R795 R782 D704 D706 D705 C709 SW709 REC/PAUSE Q111 1 2 Q110 1 2 R763 C453 R767 C454 SW702 VOL-DOWN C843 C844 R773 1 2 3 SW705 OP/CL SW701 RANDOM/DEMO SW704 VOL-UP R811 R777 R809 R835 JK801 R836 420H ONLY HEADPHONES DISPLAY PWB-A2 HEADPHONS
PAGE 17
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 P18 5-D P18 4-D P18 5-H TO CD MOTOR PWB TO PICKUP UNIT TO PICKUP UNIT CNS3A 5 4 3 2 1 R10 C21 C7 C94 C10 IC1 C455 R406 C973 R972 C849 C845 R981 R844 C851 C847 C853 D972 D971 D973 D963 C852 C848 R843 C850 C846 R982 L-CH 420H ONLY R808 R804 R807 C804 R803 R806 C803 R805 C831 Q942 1 2 3 4 5 6 7 8 9 10 11 12 13 14 405W:JUMPER 420H:L831 L831 C800 C953 R953 C954 ZD951 R952 C952 C957 L-CH R-CH B C E B C E B C E L832 C829 C801 C871
PAGE 18
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 P16 1-B TO DISPLAY PWB CNSM1 PICKUP UNIT SWM4 F. A. S CNS2B CNPM2 RD WH GY WH GY WH GY WH FWM2 BK WH C BK WH PK YL BL 1 2 405W ONLY 1 2 3 4 5 6 7 8 BL PK WH YL BK CNS1B 1 2 3 4 5 SWM1 T1 CrO2 B CNPM1 12 11 10 9 8 7 6 5 4 3 2 1 R A 1 2 3 4 5 1 2 3 4 5 6 7 8 CNS1A SOLENOID SOLM2 CNS2A SWM5 CAM SWM3 F. P.
PAGE 19
CD-C405W/CD-C420H/CP-C410/CP-C405/CP-SR421 TUNER PWB-B1 POWER PWB-B2 F963 T1.