Sharp CD-C482,CP-C482,CP-SW482 Service Manual

SERVICE MANUAL

Manufactured under license from Dolby Laboratories. "Dolby", "Pro Logic" and the double-D symbol are trademarks of Dolby Laboratories. Confidential Unpublished Works. ©1992-1997 Dolby Laboratories, Inc. All rights reserved.

CD-C482

No.S7861CDC482//

CD-C482

CD-C482 mini component system consisting of CD-C482 mini component system, CP-C482 and CP-SW482 speaker system.

• In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used.

This Serivce Manual is for the CD-C482, which is a

minormodification model of the CD-C492, This manual, therefore, describes only the changed points from the service manual. Pleasa refer to the CD-C492, service manual (No. S5829CDC492//) together with this manual.

CD-C492

Page

REMOVING AND REINSTALLING THE MAIN PARTS............ 15

QSOUND and the QLogo are registered trademarks of QSound Labs, Inc.

QSound is protected under US Patent Nos. 5,105,462 and 5,208,860 and foreign counterparts.

ADJUSTMENT .......................................................................... 16

WAVEFORMS OF MD CIRCUIT .............................................. 20

TROUBLESHOOTING .............................................................. 55

FUNCTION TABLE OF IC ........................................................ 59

FL DISPLAY.............................................................................. 70

CONTENTS

Page

IMPORTANT SERVICE NOTES........................................................................................................................................ 2

SPECIFICATIONS ............................................................................................................................................................. 3

NAMES OF PARTS ........................................................................................................................................................... 4

OPERATION MANUAL ...................................................................................................................................................... 7

QUICK GUIDE ................................................................................................................................................................... 8

DISASSEMBLY................................................................................................................................................................ 11

NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 14

BLOCK DIAGRAM ........................................................................................................................................................... 15

SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD............................................................................................. 20

REPLACEMENT PARTS LIST/EXPLODED VIEW PACKING OF THE SET

SHARP CORPORATION

– 1 –

This document has been published to be used for after sales service only. The contents are subject to change without notice.

CD-C482

FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL.

IMPORTANT SERVICE NOTES

BEFORE RETURNING THE AUDIO PRODUCT

(Fire & Shock Hazard) Before returning the audio product to the user, perform the following safety checks.

1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the audio product.

2. Inspect all protective devices such as insulating materials, cabinet, terminal board, adjustment and compartment covers or shields, mechanical insulators etc.

3. To be sure that no shock hazard exists, check for leakage current in the following manner.

* Plug the AC line cord directly into a 120 volt AC outlet. * Using two clip leads, connect a 1.5k ohm, 10 watt resistor

paralleled by a 0.15µF capacitor in series with all exposed metal cabinet parts and a known earth ground, such as conduit or electrical ground connected to earth ground.

* Use a VTVM or VOM with 1000 ohm per volt, or higher,

sensitivity to measure the AC voltage drop across the resistor (See diagram).

* Connect the resistor connection to all exposed metal parts

having a return path to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop across the resistor.

VTVM

AC SCALE

1.5k ohms 10W

0.15 µ F

TO EXPOSED METAL PARTS

All check must be repeated with the AC line cord plug connection reversed. Any reading of 0.3 volt RMS (this corresponds to 0.2 milliamp. AC.) or more is excessive and indicates a potential shock hazard which must be corrected before returning the audio product to the owner.

TEST PROBE

CONNECT TO KNOWN EARTH GROUND

ACCESSORIES

Remote control × 1

(RRMCG0141AWSA)

(92L3191SW49210)

FM antenna × 1

(92LFANT1746A)

Front speaker wire × 2

(92L3191SW49210)

AM loop antenna × 1

(QANTL0006AWZZ)

Sub woofer wire × 1

(92L3191SW49210)

– 2 –

CD-C482

SPECIFICATIONS

● General

Power source: AC 120 V, 60 Hz Power consumption: 120 W Dimensions: Width; 10-5/8" (270 mm)

Height; 12-1/2" (316 mm) Depth; 13-1/2" (343 mm)

Weight: 22.3 lbs. (10.1 kg)

● Amplifier section

Output power: Front speakers; 50 W minimum

RMS per channel into 8 ohms, from 60 Hz to 20 kHz with no more than 10 % total harmonic distortion. Sub woofer; 50 W (80 Hz, 10 % T.H.D.)

Output terminals: Front speakers; 8 ohms

Sub woofer; 8 ohms Monitor; 1 Vp-p/75 ohms PRE OUT; 500 mV/47 kohms

Front Left Speaker Front Right Speaker Surround Left Speaker Surround Right Speaker Center Speaker

Sub Woofer Headphones; 16 - 50 ohms (recommended; 32 ohms)

Input terminals: DVD 1 (Digital); Optical

DVD 2 (Digital); Coaxial VCR 1/AUX 1; 500 mV/47 kohms VCR 2/AUX 2; 500 mV/47 kohms DVD 1/VCR 1; 1 Vp-p/75 ohms DVD 2/VCR 2; 1 Vp-p/75 ohms

● Compact disc player section

Type: 3-disc multi-play compact disc

player

Signal readout: Non-contact, 3-beam semi-con-

ductor laser pickup

D/A converter: 1-bit D/A converter Frequency response: 20 - 20,000 Hz Dynamic range: 100 dB (1 kHz)

CP-C482

● Front speaker section

Type: 3-way, 5-1/8" (130 mm) woofer,

2" (50 mm) tweeter and super tweeter

Maximum input power: 100 W Impedance: 8 ohms Dimensions: Width; 8-11/16" (220 mm)

Height; 12-1/2" (316 mm) Depth; 11-3/16" (284 mm)

Weight: 7.5 lbs. (3.4 kg)/each

CP-SW482

● Sub woofer section

Type: 6-1/2" (160 mm) woofer Maximum input power: 100 W Impedance: 8 ohms Dimensions: Width; 8-11/16" (220 mm)

Height; 12-1/2" (316 mm) Depth; 11-5/8" (294 mm)

Weight: 8.4 lbs. (3.8 kg)

● Tuner section

Frequency range: FM; 87.5 - 108 MHz

AM; 530 - 1,720 kHz

● Cassette deck section

Frequency response: 50 - 14,000 Hz (Normal tape) Signal/noise ratio: 55 dB (TAPE 1, playback)

50 dB (TAPE 2, recording/

playback)

Wow and flutter: 0.15 % (WRMS)

Specifications for this model are subject to change without prior notice.

– 3 –

CD-C482

1

234

8

9

10

11

12 13 14 15 16

17 18 19 20

21

22 23 24 25 26 27 28 29

576

30 31

CD-C482

Front panel

NAMES OF PARTS

1. Disc Tray

2. Disc Number Selector Buttons

3. Disc Skip Button

4. Open/Close Button:

5. Function Selector Buttons

6. Extra Bass Button

7. Volume Control

8. Power Button

9. Headphone Socket

10. Surround Mode Selector Buttons

11. Equalizer Selector/Demo Mode Button

12. Clock Button

13. Sleep Button

14. Reverse Mode Button: ( )

15. CD Pause Button:

16. Jog Dial

17. (CD/TAPE) Stop Button:

18. Record Pause Button:

19. Menu Button

20. Item Button

21. Timer Button

22. Memory Button

23. Clear Button

24. (CD) Track Down/Review Button: (TAPE 2) Fast Wind Button: (TUNER) Tuning Down Button:

25. (TAPE 2) Reverse Play Button:

26. (CD) Play/Repeat Button: (TAPE 1) Play button: (TAPE 2) Forward Play Button:

27. (CD) Track Up/Cue Button: (TAPE) Fast Wind Button: (TUNER) Tuning Up Button:

28. (TAPE) Normal Edit Button

29. (TAPE) High Edit Button

30. (TAPE 1) Cassette Compartment

31. (TAPE 2) Cassette Compartment

– 4 –

CD-C482

Rear panel

1. DVD 1 Digital Input Socket (Optical)

2. DVD 2 Digital Input Socket (Coaxial)

3. DVD 1/VCR 1 Video Input Socket

4. DVD 2/VCR 2 Video Input Socket

5. Video Output Socket

6. CD Digital Output Socket (Optical)

7. VCR 1/AUX 1 Input Socket

8. VCR 2/AUX 2 Input Socket

9. FM 75 ohms Aerial Terminal

10. Aerial Earth Terminal

11. AM Aerial Terminal

12. AC Power Lead

13. Front Speaker Terminals

14. Sub WooferTerminals

15. Front Speaker Output Socket

16. Surround Speaker Output Socket

17. Center Speaker Output Socket

18. Sub Woofer Output Socket

1

2

67 8

12

4

3

5

9

10 11

15 16 17

CP-C482

Front speakers

1. Super Tweeter

2. Tweeter

3. Woofer

4. Bass Reflex Duct

5. Speaker Terminals

CP-SW482

Sub woofer

1. Woofer

2. Bass Reflex Duct

3. Speaker Terminals

2

1

1 2

4

3

RATED SPEAKER IMPEDANCE : 8 OHMS MIN. IMPEDANCE NOMINALE DU HAUT-PARLEUR : 8 OHMS MINIMUM

14

13

18

5

3

– 5 –

CD-C482

Remote control

1. Remote Control Transmiter LED

2. Surround Mode Selector Buttons

3. Sub Woofer Level Control Buttons: /

4. Setup Up/Down Buttons: /

5. Menu Button

6. Item Button Tuner control section

7. Preset Up/Down Buttons: / CD control section

8. Track Up/Cue Button: /

9. Track Down/Review Button: /

10. Memory Button

11. Disc Skip Button

12. Stop Button:

13. Play/Repeat Button:

14. Pause Button:

15. Clear Button

16. Random Button Tape control section

17. (TAPE 2) Record Pause Button:

18. (TAPE 2) Reverse Play Button:

19. Stop Button:

20. (TAPE 1) Play Button: (TAPE 2) Forward Play Button:

21. (TAPE 2) Fast Wind Buttons: /

2

3

8 9

10

22 23

24 25

17

1

45

15 16

18 19

7

6

11 12

13 14

20

21

26

Common section

22. Extra Bass Button

23. Equalizer Mode Button

24. Function Selector Buttons

25. Power Button

26. Volume Control Buttons

27. Dimmer Button

27

– 6 –

– 7 –

CD-C482

OPERATION MANUAL

SETTING THE CLOCK

1

Press the POWER button to enter the stand-by mode.

2

Press the CLOCK button.

3

Within 5 seconds, press the MEMORY button.

4

Turn the jog dial to select the time display mode.

"0:00" → The 24-hour display will appear.

(0:00 - 23:59)

"AM 12:00" → The 12-hour display will appear.

(AM or PM 12:00 - 11:59)

"AM 0:00" → The 12-hour display will appear.

(AM or PM 0:00 - 11:59)

● Note that this can only be set when the unit is first installed or it has been reset (see page 36).

5

Press the MEMORY button.

6

Adjust the hour by turning the jog dial.

● When the jog dial is turned one click clockwise, the time will increase by 1 hour. When it is turned one click counterclockwise, the time will decrease by 1 hour. Keep turning the jog dial to change the time continuously.

● When the 12-hour display is selected, "AM" will change automatically to "PM".

7

Press the MEMORY button.

8

Adjust the minutes by turning the jog dial.

● When the jog dial is turned one click clockwise, the time will increase by 1 minute. When it is turned one click counterclockwise, the time will decrease by 1 minute. Keep turning the jog dial to change the time continuously.

● The hour setting will not advance even if minutes advance from "59" to "00".

9

Press the MEMORY button.

● The clock starts operating from "0" seconds. (Seconds are not displayed.)

Note:

● In the event of a power failure or when the AC power cord is disconnected, the clock display will go out. When the AC power supply is restored, the clock display will flash on and off to indicate the time when the power failure occurred or when the AC power cord was disconnected. If this happens, follow the procedure below to change the clock time.

To change the clock time:

When the unit is in the stand-by mode:

➀ Press the MEMORY button. ➁ Perform steps 6 - 9 above.

When the unit is on:

➀ Press the CLOCK button. ➁ Within 5 seconds, press the MEMORY button. ➂ Perform steps 6 - 9 above.

To see the time display:

Press the CLOCK button.

● The time display will appear for about 5 seconds.

To change the time display mode:

➀ Perform steps 1 and 2 in the section "RESETTING THE MI-

CROCOMPUTER", on page 36.

➁ Perform steps 1 - 9 above.

POWER

CLOCK

Jog dial

MEMORY

TUNING ( )

In this example, the clock is set for the 12-hour (AM 12:00) system.

0:00 AM 12:00 AM 0:00

2

3

4

5

6

7

8

9

RESETTING THE MICROCOMPUTER

POWER

EQUALIZER /DENO

Reset the microcomputer by performing the following procedure for the cases shown below:

● To erase all of the stored memory contents, or

● If the display does not function properly, or

● The unit does not operate properly.

1

Press the POWER button to turn the power off.

2

Press the POWER button while holding down the button and the EQUALIZER/DEMO button.

Caution:

● The operation explained above will erase all data stored in memory including clock and timer settings, and tuner and CD presets.

CD-C482

– 8 –

MINI COMPONENT SYSTEM Quick Guide/Guía rápida

CD-C482

● Remote control x 1

●

Controlador remoto x 1

●2 “AA” batteries

●

Dos pilas “AA”

Remote sensor

Sensor remoto

3

Placing the speaker system /

Situación de los altavoces

2

How to use the remote control /

Empleo del controlador remoto

1

Check the supplied accessores /

Compruebe los accesorios suministrados

● FM antenna x 1

●

Antena de FM x 1

● AM loop antenna x 1

●

Antena de cuadro de AM x 1

● Front speaker wire x 2

●

Cable de altavoz frontal x 2

● Sub woofer wire x 1

●

Cable de altavoz de subgraves x 1

●Batteries are not included.

●

Las pilas no están incluidas.

+

-

+

15

8” - 20’ (0.2m - 6m)

0,2m - 6m

4

Connecting the system /

Conexión del sistema

●How to switch between an audio signal and a

video signal

●

Cómo cambiar entre una señal de audio y una señal de vídeo

BUTTON/

BOTÓN

“DVD 1”

AUDIO OUTPUT/

SALIDA DE AUDIO

VIDEO OUTPUT/

SALIDA DE V?DEO

DISPLAY/

VISUALIZACIÓN

“VCR 1”

“DVD 2”

“VCR 2”

DVD 1

VCR 1/AUX 1

DVD 2

VCR 2/AUX 2

DVD 1/VCR 1

DVD 2/VCR 2

TV

Video

Video Audio(Optical) Audio(Coaxial)

Audio

R

L

Video

Audio(Analog)

DVD

VCR

120 V de CA, 60 Hz

AC 120 V, 60 Hz

– 9 –

CD-C482

1

2

3

AM Loop Antenna

Antena de cuadro de AM

FM Antenna

Antena de FM

SUB WOOFER

ALTAVOZ DE SUBGRAVES

RIGHT

DERECHO

LEFT

IZQUIERDO

Red

Rojo

Black

Negro

Red

Rojo

Black

Negro

FRONT SPEAKER

ALTAVOZ FRONTAL

Red

Rojo

Red

Rojo

Black

Negro

Black

Negro

Red

Rojo

Black

Negro

Front speaker

Altavoz delantero

Front speaker

Altavoz delantero

Surround speaker

Altavoz de sonido perimétrico

Surround speaker

Altavoz de sonido perimétrico

Center speaker

Altavoz central

Amplifier

Amplificador

Amplifier

Amplificador

Amplifier

Amplificador

Amplifier

Amplificador

Sub woofer

Subgraves

EXPANDED SPEAKER SYSTEM

SISTEMA DE ALTAVOCES AMPLIADO

5

Listening to a CD /

Audición de discos CD

Press the POWER button to turn the power on.

Pulse el botón POWER para conectar la alimentación.

1

Press the CD button.

Pulse el botón CD.

Press the OPEN/CLOSE button to open the disc tray and place the CD (s) on the disc tray, label side up.

Pulse el botón OPEN/CLOSE para abrir la bandeja del disco y coloque el disco(s) CD en la bandeja del disco con el lado de la etiqueta arriba.

2

3

Press the OPEN/CLOSE button to close the disc tray.

Pulse el botón OPEN/CLOSE para cerrar la bandeja del disco.

4

Press the button.

Pulse el botón .

5

Adjust the volume level. Turn the VOLUME control clockwise to increase the volume. Turn the VOLUME control counterclockwise to decrease the volume.

Ajuste el nivel de volumen. Girando el control VOLUME hacia la derecha se incrementa el volumen. Girando el control VOLUME hacia la izquierda se reduce el volumen.

6

To stop the playback

Para detener la reproducción

Press the button.

Pulse el botón .

VOLUME

CD-C482

– 10 –

6

Listening to a tape /

Audición de una cinta

7

Listening to the radio /

Audición de la radio

Load a cassette into the cassette compartment.

Inserte un casete en el compartimiento del casete.

3

Press the POWER button to turn the power on.

Pulse el botón POWER para conectar la alimentación.

1

Press the TAPE button to select "TAPE 1" or "TAPE 2".

Pulse el botón TAPE para seleccionar "TAPE 1" o "TAPE 2".

2

TAPE 2

TAPE 1

Press the button.

Pulse el botón .

4

To stop the playback

Para detener la reproducción

Press the button.

Pulse el botón .

Press the TUNING ( / ) button to tune in to the desired station.

Pulse el botón TUNING ( / ) para sintonizar la emisora deseada.

3

Press the POWER button to turn the power on.

Pulse el botón POWER para conectar la alimentación.

1

Press the TUNER (BAND) button to select "FM ST" ,"FM"or "AM".

Pulse el botón TUNER (BAND) para seleccionar "FM ST", "FM", o "AM".

2

8

Recording from CDs /

Grabaciones de discos CD

Press the POWER button to turn the power on.

Pulse el botón POWER para conectar la alimentación.

1

Press the TAPE (1 2) button to select the "TAPE 2".

Pulse el botón TAPE (1 2) para seleccionar "TAPE 2".

2

3

Press the REVERSE MODE button to select the reverse mode.

Pulse el botón REVERSE MODE para seleccionar el modo de inversión.

4

Press the CD button and load the desired disc.

Pulse el botón CD y coloque el disco deseado.

5

Press the NORMAL EDIT button.

Pulse el botón NORMAL EDIT.

6

•••••

One side /

Una cara

•••••

Both side /

Ambas caras

TAPE 2

Load a cassette into the TAPE2 cassette compartment.

Inserte un casete en el compartimiento del casete de TAPE 2.

To stop the recording

Para detener la grabación

Press the button.

Pulse el botón .

Caution on Disassembly

( B1 ) x2 ø3 x8mm

( B1 ) x4 ø3 x8mm

( B1 ) x2 ø3 x8mm

Top Cabinet

Side Panel (Right)

Rear Panel

Side Panel (Left)

( A1 ) x2 ø3 x12mm

CD Tray Cover

CD Player Unit

( F1 ) x10 ø3 x8mm

( C3 ) x1 ø3 x8mm

Hook ( C1) x3

( C2 ) x1

( C4 ) x2

Rear Panel

Main PWB

Front Panel

1

2

Tuner PWB

Pull

(C2) x1

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 to be removed when disassembling the unit. After servicing the unit, be sure to rearrange the leads where they were before disassembling.

4. Take suffcient care on static electricity of integrated circuits and other circuits when servicing.

CD-C482

PROCEDURE

STEP REMOVAL

1 Top Cabinet 1. Screw ..................... (A1) x4 11-1

2 Side Panel 1. Screw ..................... (B1) x8 11-1

(Left/right)

3 CD Player Unit/ 1. Turn on the power supply, 11-2

CD Tray Cover open the disc tray, take out 12-1

4 Dolby PWB 1. Flat cable ............... (D1) x2 12-1

5 Tuner PWB 1. Socket .................... (E1) x1 12-1

6 Rear Panel 1. Screw ..................... (F1) x10 11-2

7 Main PWB 1. Flat cable ............... (G1) x2 12-2

8 Front Panel 1. Flat wire ................. (H1) x1 12-2

10

Power Amp. PWB

11

Power Supply PWB

12 Display PWB 1. Knob....................... (M1) x2 12-4

13 CD Switch PWB 1. Screw..................... (N1) x3 12-4

14 Headphones 1. Screw..................... (P1) x1 12-4

15 Tape Mechanism 1. Screw ..................... (Q1) x6 12-4

16 Turntable 1. Screw ..................... (R1) x1 12-5

17 Disc Tlay 1. Screw ..................... (S1) x2 12-5

18 CD Player Unit/ 1. Screw ..................... (T1) x1 12-5

CD Servo PWB 2. Socket .................... (T2) x4

19 CD Changer 1. Screw ..................... (U1) x4 13-1

Mechanism

20 CD Mechanism 1. Screw ..................... (V1) x1 13-1

the CD cover, and close. (Note 1)

2. Hook....................... (C1) x3

3. Hook....................... (C2) x2

4. Screw ..................... (C3) x1

5. Socket .................... (C4) x3

2. Socke ..................... (D2) x1

3. Screw ..................... (D3) x11

2. Screw ..................... (E2) x5

2. Flat wire .................

3. Socket...................... (G3) x4

4. Screw....................... (G4) x3

2. Screw...................... (H2) x2

1. Socket .................... (K1) x2 12-3

2. Screw ..................... (K2) x6

1. Screw ..................... (L1) x6 12-4

2. Nut.......................... (M2) x2

3. Screw ..................... (M3)x12

2. Cover ..................... (R2) x1

2. Guide ..................... (S2) x2

Note 1:

How to open the changer manually. (Fig. 11-3)

1. Then, turn fully the lock lever in the arrow direction through

the hole on the loading chassis bottom in this state. After that, push forward the CD player base.

CD-C482

DISASSEMBLY

CD-C482

FIGURE

Figure 11-1

(G2) x1

Figure 11-2

LOCK LEVER

Figure 11-3

– 11 –

CD-C482

(D1) x1

(F1) x1 ø3 x10mm

(C4) x1

(D2) x1

(D3) x8 ø3x10mm

(J2)x4 ø3x10mm

(D3) x4 ø3x10mm

(E2) x1 ø3x10mm

Front Panel

(K2)x5 ø3x10mm

Dolby PWB

(D1) x1

Rear Panel

(G2) x1

(G1) x1

(G3) x2

(G ) x2

(E1) x1

Tuner PWB

Figure 12-1

(G4) x2 ø3x10mm

Front Panel

(E2) x4 ø3 x10mm

( K1 ) x2

(G3) x2

Main PWB

(G4) x1 ø3x10mm

( H1 ) x1

Front Panel

(N1)x3 ø3x10mm

(M3)x12 ø3x10mm

Tape Mechanism

CD Switch PWB

( R2 ) x1

(M2)x1

(Q1)x6 ø3x10mm

Figure 12-4

( R1 ) x1 ø3 x10mm

Washer

Lug Wire

(M1)x2

(M2)x1

Display PWB

Headphones PWB

Open

(P1)x1 ø3x10mm

Cassette Holder (Left/Right)

Turntable

Heat Shink Cover

Power Supply PWB

(L1)x1 ø3x10mm

Figure 12-2

(L1)x4 ø4x8mm

( K2 ) x1 ø3x10mm

Power Amp. PWB

(L1)x1 ø3x10mm

( H2 ) x1 ø3x10mm

( S1 ) x1 ø3 x10mm

( S2 ) x1

( T2 ) x2

CD Player Unit

Disc Tray

( S1 ) x1 ø3 x10mm

( S2 ) x1

Figure 12-5

( T1 ) x1 ø3 x10mm

CD Servo PWB

Figure 12-3

( T2 ) x2

CD Player Unit

Figure 12-6

– 12 –

CD-C482

( U1 ) x4 ø3 x12mm

( V1 ) x1 ø2.6 x10mm

Shift Lever

CD Changer Mechanism

CD Player Base

CD Mechanism

Be careful 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.

Figure 13-1

CP-C482

STEP REMOVAL

1 Front Speaker 1. Net.......................... (A1) x1 13-2

2. Baffle Board ........... (A2) x1

3. Screw ..................... (A3) x2

4. Screw ..................... (A4) x4

5. Screw ..................... (A5) x2

PROCEDURE

FIGURE

CP-C482

Tweeter

Baffle Board

(A2)x1

Net

(A1)x1

Woofer

Screw driver

Super

Tweeter

(A5)x2

ø3x10mm

Tweeter

(A3)x2

ø3x10mm

CP-SW482

STEP REMOVAL PROCEDURE FIGURE

1 Sub woofer 1. Net.......................... (A1) x1 13-3

2. Duct Panel ............. (A2) x1

3. Screw ..................... (A3) x4

Note:

The center and rear speakers can be easily disassembled. Therefore the disassembling method is not discribed. For details refer to the disassembling drawing in the Parts Guide.

(A4)x4

ø4x16mm

Woofer

Figure 13-2

CP-SW482

Net ( A1 ) x1

( A3 ) x4 ø4 x16mm

Woofer

– 13 –

( A2 ) x1

Figure 13-3

Screwdriver

CD-C482

NOTES ON SCHEMATIC DIAGRAM

• Resistor: To differentiate the units of resistors, such symbol as K and M are used: the symbol K means 1000 ohm and the symbol M means 1000 kohm and the resistor without any symbol is ohm-type resistor. Besides, the one with “Fusible” is a fuse type.

• Capacitor: To indicate the unit of capacitor, a symbol P is used: this symbol P means micro-micro-farad and the unit of the capacitor without such a symbol is microfarad. As to electrolytic capacitor, the expression “capacitance/withstand voltage” is used. (CH), (TH), (RH), (UJ): Temperature compensation (ML): Mylar type (P.P.): Polypropylene type

• Schematic diagram and Wiring Side of P.W.Board for this model are subject to change for improvement without prior notice.

REF. NO DESCRIPTION POSITION POSITIONREF. NO DESCRIPTION

SW1 OPEN/CLOSE ON—OFF SW2 MECHA UP ON—OFF SW3 DISC NUMBER ON—OFF SW4 PICKUP IN ON—OFF SWD1 VOLUME ON—OFF SWD2 JOG ON—OFF SWD3 X-BASS ON—OFF SWD4 PRE EQ ON—OFF SWD5 MENU ON—OFF SWD6 ITEM ON—OFF SWD12 TUNING UP/CUE ON—OFF SWD13 STOP ON—OFF SWD14 NORMAL EDIT ON—OFF SWD15 REC. PAUSE ON—OFF SWD16 REC/PAUSE ON—OFF SWD17 F-PLAY ON—OFF SWD23 QSOUND ON—OFF SWD26 VIRTUAL ON—OFF SWD27 PHANTOM ON—OFF SWD28 NORMAL ON—OFF SWD29 BYPASS ON—OFF SWD30 TUNING DOWN/REWIND ON—OFF SWD31 CD PAUSE ON—OFF

• 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.

• Parts marked with “ ” ( ) are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

SWD32 REVERSE MODE ON—OFF SWD33 R-PLAY ON— OFF SWD34 CLOCK ON—OFF SWD35 MEMORY ON—OFF SWD36 TIMER ON—OFF SWD37 SLEEP ON—OFF SWD38 CLEAR ON—OFF SWD39 DVD/VIDEO 1 ON—OFF SWD40 DVD/VIDEO 2 ON—OFF SWD41 TAPE 1/2 ON—OFF SWD42 TUNER/BAND ON—OFF SWD43 CD ON—OFF SWD48 POWER ON—OFF SWD50 DISC 1 ON—OFF SWD51 DISC 2 ON—OFF SWD52 DISC 3 ON—OFF SWD53 DISC SKIP ON—OFF SWD54 OPEN/CLOS ON—OFF SWM3 REC FWD ON—OFF SWM4 REC RVS ON—OFF SWM5 F.A.S ON—OFF SWM6 CAM ON—OFF

FRONT

VIEW

E C B

(S)(G) (D)

(1) (2) (3)

KTA1266 GR KTA1270Y KTA1271 Y KTA1273 Y KTC3199 GR KTC3203 Y KRA102 M

KRA109 M KRC102 M KRC104 M KRC107 M 2SC535 C 2SD468 C 2SC2878 A

KRA107 M

FRONT

VIEW

B C E (D)(G)(S) (3) (2) (1)

2SD2012 2SB1375

SLR325 MG SLR325 VR KL052 UL SLR505 MC LMKD515 B

Figure 14 TYPES OF TRANSISTOR

– 14 –

FRONT

VIEW

FRONT VIEW

KV1236Z23

– 15 –

CD-C482

Figure 15 BLOCK DIAGRAM (1/5)

8

27

1 2 3

4

5

98

6 7

20

12 13

24 25 30

31

3222

34 35 36

10 11

27

26

28 29

PU-IN SW

XL1

XIN

LD0

FIN2

JP–

CV+ SLC

SL1

FIN1 E F

TOFDSPONCSLD

SL–

SL+

DRFCLDAT

CE

VCC1

6

+5V

PICKUP IN

SW4

FOCUS COIL

TRACKING COIL

M1

DISC

MOTOR

M

M2

SLIDE

MOTOR

PICKUP UNIT

9

IC2

LC78622K

SERVO/SIGNAL

CONTROL

+B1

IC3

M56748FP

DRIVER

IC1

LA9241M

SERVO AMP.

6

1 9

5

+B1

+12V(+B5)

RES. CQCK. COIN SQOUT. RWC. WRQ

~

CL, DAT, SELIAL CONTROL/CE

Q93

Q91

SL+. SL–. DRF

7

3

9 8 7 6 5 4 3 2 1

GND (D) MECHA UP GND (D) DISK NO. OPEN/CLOSE GND (D) M– M+ GND (M)

9 8 7 6 5 4 3 2 1

CNP10

M

+5V

+B1

62

64 45 3623 43

31

24 25

10 10

265853

10 12

20

32

40 43 44

5352515431302923271615

4144

Q1 Q52

+4.3V

Q81 +7.3V (B1)

REGULATOR

TO MAIN SECTION

IC81

TA7291S

LORDING MOTOR

DRIVER

XOUT

EFMO EFMIN CLV+

JP–

CONT2

CONT1

CONT4

DOUT

VVDD

VDD

LVDD

RVDD

XVDD

SW1 OPEN/CLOSE

SW2 MECHA UP

SW3 DISC No.

M3 LOADING

SOLM1

TO MAIN SECTION

CNS10

CD-C482

O

M

ANAROG RCH

IN

ANAROG LCH

IN

DVD2

DIGITAL

IN

DVD2

DIGITAL

IN

FROM CD UNIT

ICA12

NJM4580M

LOW PASS FILTER &

DIFFERENTIAL AMP

+B7

8

2

4

A-GND

+B7

8

2 1

4

A-GND

1

ICA11

IN

6

AINR– AINL–

IN

6

OUT

NJM4580M

LOW PASS FILTER &

DIFFERENTIAL AMP

TOS

ICA14

GP1F38R

ICA15

TC74HCU04

INVERTER

IN

1 4

IN

13

14

7

+B13

D4-GND

OUT

7

6 8

10

AINL+ OUT

AINR+

3

AINR–

4

AINL+

5

AINL–

6 2

8

18 19

20 22 25

A-GND

ICA16

TC74HCU15

SWITCH

IN

3

IN

4

IN

5 6

1

6

D4-GND

1

11

ICA13

7

~

PWDA

PWAD

23

24

A/D,D/A

AK4520A

CONVERTER

21

10

9

+B13+B9

14

D-OUT

7 9 2

16

15

13

DEM0

16

DEM1

17

SCK

15

CLK

11

CLK2L/R

12

SL/SR IN

13

D-OUT

14

LS OUT

27 26

RS OUT

+B13

DGTL2

DGTL1

DGTL2

V1/V2

D-IN

83

79

61

36

4

D3-GND

CLK2L/R OUT

CLK2OUT

SL/SR OUT

97

92

91

85

62

60

95

86

SCK CLK CLK2

SCK2IN

66

2

D

94

78

8

90

ICH51

NJM2246M

SWITCH

VIDEO1 IN

VIDEO2 IN

MONITOR

OUT

QH51

+B7

1

3

7

8

5

+B7

V-GND

SWITCHING

DGTL2

2

4

QH53

QH52

SWITCHING

V1/V2

Figure 16 BLOCK DIAGRAM (2/5)

– 16 –

DGTL2

V1/V2

LS/RS

OUT

6

4

SSSOSCK SIDEMO1

DEMO0

AC3 RESET

SUB

ON/OFF

WOOFER

CD-C482

AD RESET

+B9

PD

6

DEM0

12

DEM1

13

SCK CLK CLK2L/R

XT1 BICK LRCK

FL/FR

IN

5 7 9

8

ICA19

1

3

D3-GND

PD

6

DEM0

SCK

87

89

FL/FR OUT

SI

80

SSSORESET

29

19

8

2

GND

65

37

68

44

53

34

71

82

3

ICA18

ZR38600

DOLBY AC-3 /5.1

MPEG2 AUDIO

DECORDER

VDD

48

78

90

12

6

5

45

55

30

35

17

81

70

59

67

CENTER

54

SUB

WOOFER

OUT

93

84

SUB

WOOFER

ON/OFF

QA01

DEM1

XT1 BICK LRCK

CENTER

SUB

WOOFER

IN

12 13

5 7 9

8

1 3

D3-GND

ICA20

16 20 22

2

14

D/A

15

AK4321

24

CONVERTER

18 17

11

21

10

A-GND

16 20 22

2

14

D/A

15

AK4321

24

CONVERTER

18 17

11

10

21

A-GND

FL FR

OUT

+B9

CENTER

SUB

WOOFER

QA02

6

SWITCHING

+B13

QA03

SUB

WOOFER

OUT

5

12

13

2 9

10

14

+B12

7

–B12

ICB01

NJM4580M

MIX AMP

OUT

L R

A-GND

+B7

8 1 7

3 5

4

MIX

IN

SUB

WOOFER

FL/FR

ICA21

NJM4580M

–15dB AMP

4 1

8

11

7

ICA22

BU4066BCE

SWITCH

8

4

–B12

+B7

SUB

WOOFER

5

IN

–B12

SUB

WOOFER

OUT

FL/FR

OUT

CENTER

OUT

Figure 17 BLOCK DIAGRAM (3/5)

– 17 –

+B12

+B13

VOLTAGE

REGURATER

VOLTAGE

REGURATER

QB01

VOLTAGE

REGURATER

UN-SWITCHED

–B6–B12

+B7

+B9

CD-C482

7

4

Q 7

O

SL

IN

SL

OUT

SO301

ANTENNA

FM AM

C

SW

RS LS

R L

JR11

VCR/AUX1

L

JR12

VCR/AUX2

TAPE 1

TAPE 2

TERMINAL

JR13

PRE-OUT

R

SWM3 SWM4

CAM SW

FAS SW

PHM1

SOLM1

QR19 QR20

MUTE

QR17 QR18

MUTE

QR15 QR16

MUTE

MOTOR

M

PB HEAD

L–CH

R–CH

REC/PB HEAD

L–CH

R–CH

ERASE HEAD

FM BPF

BF301

T302

A1064

MOTOR DRIVER

AM RF

AM ANT

SW

OUT

P.B

1

OUT C

7 1

L

7

R

1

OUT

R

7

L

1

+B2

QL14

T2 PH–IN

REC

AC BIAS

2

IC301

FM FRONT END

TA7358AP

5

3 4

L302

FM RF

AM OSC

T304

B1074

+B7

IN

8

C

5

SW

3

4

ICR14

NJM4565M

BUFFER AMP.

–B6

+B7

IN

8

RS

5

LS

3

4

ICR13

NJM4565M

BUFFER AMP.

–B6 +B7

IN

8

R

5

L

3

4

ICR12

NJM4565M

BUFFER AMP.

–B6

DRIVER

QL12

DRIVER

QL11

+B2

DRIVER

QL15

P.B

REC/PB

QK03 QK05 QK04 QK06

QK07

QK09

QK08

7 8

FM

OSC

OSC BUFF

QL18

POP REDUCE

QK11QK10

QK28 LK04

6

9

FM OSC

L303

Q302

TA MOT SW

HI SPEED

QL13

SWITCHING

TA MOT H/L

QL17

T2 A/B-FP

TA CUM SW

T1 RUN SW

T2 PH-OUT

QL19

PLAYBACKuRECORD AMP

L(T1)

1

R(T1)

24

2

L(T2)

23

R(T2)

3

L NF

R NF

4

T1/T2

6

REC

L REC

9

R REC

16

REF

14

+B7

13

NOR/ HIGH

12

FM IF

T301

Q344

FM +B

TA PUL

ICK01

AN7345K

15

FMOSC

+B7

P.B.

H/N

T1/T2

19

FM

FM IF

CF301

FM IF IN

20

7

P.B

4 21

5

20

7

18

8

17 10

L R

ALC

L

R

L NF

R NF

1

+B7

AM IF

T351

1 5 3

AM MIX

FM/AM IF+MPX

22

23

24

AM+B

AM RF IN

AM OSC IN

X352

4.5MHz

AM IN

15

22

16

OSC

IC302

LC72131

PLL CONTROLLER

HI SPEED

PB MUTE

QK17 QK18

MUTING

REC MUTE

QK21 QK22

MUTING

REC

SWITCHING

QK15 QK16

QK19

SWITCHING

SWITCHING SWITCHING

QK24

6

GND

AM IF VCC

IC303

LA1805

15

7

STEREO

MONO/ST

FM/AM

SWITCHING

VOLTAGE

REGURATER

FM MONO/ST

FM IN

11

10

5

6

4

3

DI

CLCEDO

T1/T2

REC/PB

BAIS

+B7

21

+B7

QK26

Figure 18 BLOCK DIAGRAM (4/5)

– 18 –

FM DET

+5V

17

21

FM +B

MPX VCO ADJ

T352

FM DET

20

MPX IN

FM/AM DET OUT

11

16

17

Q342

Q343

BAIS

VR351

13

VCO

MO/ST

9

10

L

R

TUNER

TAPE

VCR 1

VCR 2

FUNC–A

10

12

L

1

R

L

14

R

5

L

15

R

2

11

L R

4

–B10

ICZ09

NJM4565D

LINE AMP.

–B10

FUNC–B

9

ICZ08 TC4052BP DUAL 4CH ANALOG MULTIPLEXER

L

21 27

R

16

7

+B10

R L

4

1

R L

TO AC-3

3

7

5

IN

8

OUT

ICH11 NJM4558M MOTOR DRIVER

7

+B10

B.P.F

SPE IN

2

L

20

40

L–OUT

19

41

L–IN

R–OUT

R

18

QS7

QS

42

R–IN

C–OUT

1

IC

4

C–IN

–

R–OUT

C–OUT

R

18

9

ICQ01

QS7777PF

QSOUND

1

42

44

R–IN

C–IN

SL–OUT

17

SL–IN

16

45

REC MUTE

L–IN

R–IN C–IN

SL–IN

SR–IN

SW–IN

SR–OUT

15

SR–IN

+B7

T1 RUN

T2 RUN T2 A FP T2 B FP T1 CrO2 T2 CrO2 CAM-SW

TAPE SOL

TA MOT

HIGH SP

FR SP

BIAS

TA R/P

REC MUT

T1/T2

PB MUTE

PB EQ

REC EQ

17 16

11

M62446FP

9

6–ch VOL

8 6

ICZ04,06,08

NJM4565D

IN/OUT FILTER

LC7522

G.E. VOL

ICZ03,05,07

NJM4565D

IN/OUT FILTER

13

12

11 10

31

+B7

VOLTAGE

REGURATER

TUNER MUTE

SPE1~5

29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49

VR ST

VR DATA

40

39

ICZ10

AMP

ICZ01

AMP

BYP

19

68

FUNC B

VR CLK

41

16 17

AC-3 SECTION

TU-SD

TU-DO

61

62

60

~

23

78

SYSTEM MICROCOMPUTER

70

69

67

58

56

71

DI

VR ST

TU CL

VR CLK

FUNC A

VR DATA

31

L–OUT R–OUT

32

C–OUT

33 34

SL–OUT SR–OUT

35

SW–OUT

36

–B10

30

+B10

5

+B11

42

+B10

–B10

DI

+B10

CLK

-B10

+B10

1

–B10

14

+B11

15

VOLTAGE

REGURATER

+B11

AD RES

SW ON/OFF

DIGITAL1

79

87

53

CLK2

MO

AR

AC

AC32SS

AC32RES

DIGITAL2

91

92

88

IX0233AW

75

QS2AR

+B7

AC32SO

AC32SI

94

93

ICF01

74

73

QS2AC

QS2MO

–B6

–B10

+B2

+B9

+B6

+B7

+B10

+B8

TO CD UNIT

DEM 1

DEM 0

AC32SCK

V1/V2

96

98

97

95

2426

27

SP DET

H/P SW

POSISTOR

+B7

IN

8

5

L

3

R

4

–B6

–15V

QZ02

+4.6V

UN-SWITCHED

+5V(AC-3)

+12V(MOTOR)

+12V(ANALOG)

QZ01

VOLTAGE

REGULATOR

+7.3V(CD)

STB

RES

SCK

DAT

COM

10

6

8

9

7

63

49

51

54

52

50

FAN

PROT

ICP11 NJM4565D LOW BOOST AMP.

REGULATOR

S-W RELAY

FRONT RELAY

CENTER RELAY

SURROUND RELAY

S-MUTE

QP03 QP04

OUT

L

7 1

R

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

SWITCHING

VOLTAGE

REGULATOR

S-MUTE

QP15

Q903

Q902 Q901

Q906 Q905

Q904

Q909 Q908

STB

SCK

DAT

9

8

7

99

5

3

4

11

100

2

1 14 13 18 56

VDD

90 15 57

VSS

89 12

16

17 27 86 85 84

6682

65

64

76

POWER

S-W-MUTE

CENTER-MUTE

SURROUND-MUTE

POWER

SW-MUTE

Q907

RXD01 REMOTE SENSOR

RES

CQCK

COIN

SQ OUT

WRQ RWC

CD SL+

CD SLCD-PUIN CD-DRF

+B4

RESET IN

OSC

X201

4.19MHz

SYSTEM STOP CD O/C CD U/D

CD DNO

POWER ON/STB

SWITCHING

L–IN

10

ICV01

12

R–IN

STK407-250 POWER AMP.

18

C–IN

SL–IN

VOLTAGE

REGULATOR

29

RES

12

STB

1

DAT

95

COM

96

SCK

97

~

1

~

10

8

~

79

~

91

LEDD01~ LEDD28

+B3

+B4 (5V BACK UP)

RESET

QG01

P.FAIL DET

POSISTOR

7

+B

–B

5

3

–B

+B

D991

Q911 Q910

~

45

30

VSS

15

4

88 94

QG02 QG03 ZDF01

1

D996~D999

D992~D995

89

MEMORY BACK UP

FD01

FL DIPLAY

~

5 53

~

52

~~

71

47

50

ICD01

IX0334AW

FL DRIVER

CONTROLLER

VDD

VEE

90

46

18

72

51

+B2

+B6

–VP

+B3

FAN

H/P SW SP DET RELAY

PROT

QV13 QV14 QY11

9

L–CH

8

R–OUT SW–OUT

20

Q951

VF1

(AC) (AC)

75

73

14

13

SWD01

JOG SW

+5V UNSWITCH +B2

F995

10A 125V

F996

10A 125V

VOLTAGE

REGULATOR

VP VF2

27

SWD02

QV18

F998

1.6A 250V

F997

2.5A 250V

21 26

28

~

QV19

T991

POWER

TRANSFORMER

KEY IN

TO CD UNIT

QV22 QY12

RLYV11 RLYY11 RELAY

T.F

1

F1 F1

2

62

F2 F2

57

KEY MATRIX

QV20 QV21

+B6

CD-C482

VF1

(AC)

VF2

(AC)

SWD03~SWD06 SWD12~SWD17 SWD23~SWD48 SWD50~SWD54

M

FAN

MOTOR

JV91

HEADPHONES

TMV01 SPEAKER TERMINAL

+

L–CH GND

–

R–CH

+

GND

–

SW–CH

+

GND

–

F990 5A 125V

Figure 19 BLOCK DIAGRAM (5/5)

– 19 –

CD-C482

10K

P

5

A

CNS1B

K

5

E

MON

1M 2200P

4

A

3

B

2

F

1

B

C

D

LT0H30M1

TR+

FO+

FO– TR–

ACTUATOR

LD

K E B

LD

GND

A F

2200P

C

1M

CNS1A

1 2 3 4 5

K

1

A

2

B

3

E

4

F

5

CNP1

K

5

E

4

A

3

B

2

F

1

TR–

1

TR+

2

FO+

3

FO–

4

GND

5

PD

6

VR

7

LD

8

C15

0.01

R13

R2

1K

C2

1K

0.01

C85

0.001

TE

R11

6.8K R12

100

R14 27K

R16

3.3K

R21 22K

C12

0.1

C1

47/16

1.5V

4.2V

KTA1266 GR

9

C4

0.1 R9

100K

R10

2.2K

C54

0.001

C9

0.047

8

R22 22K

R15 12K

R20

4.8V

Q1

R8

15K

0.033

C8

0.068

C10

180P

1K

2.5V

C5

C6

0.033 C7

0.1/50

2.4V

2.5V

2.4V

2.5V

R19

C3

1/50

2.4V

2.5V NC

2.5V

C11

R1 10

2.5V

0.1

2.5V

1K

1 2 3

4

5 6

7

8

9

10

11 12

13

14 15 16

R17 33K

VREF

VCC1

FIN2

FIN1

E F

TB TE–

TE

TESI

SCI

TH

TD– TD

JP TO

FD

R18 15K

REF

1

4.8V

C33

C34

0.33/50

0.47/50 C32

0.01

560

R46

1V

0V

4.2V

2.2V

–

LDS

LDO

+

RF

–

+

–

+

REF

–

+

REF

–

+

REF

+

–

REF

–

+

REF

+

GEN

–

TO

REF

+

REF

GEN

–

REF

+

–

+

–

FA

FD–

19

18

17

2.5V

R23

10K

R24 47K

1V

PHI

BHI

FE1

REF

VCR

–

VCR

+

VCR

+

–

+

TGL1

–

THDL

JP

FSC

FOSTA

REF

GEN +

–

REF

+

–

AGND

FE

FE–

FA–

20

22

21

0V

2.4V

2.5V

C13

330P

82K

R26

C14

0.01 R25

1.5K

C31

220/6.3

2.5V

VR

LF2

REF1

+

–

REF

+

DEF

– –

+

HFL

+

DRF

–

IC1

LA9241M

SERVO AMP.

VCC

+

– +

–

REF

GL

FSTA

S.Q.R

THD REF

FE1

+

–

REF

SP

SPI

SPG

2423

26

25

2.5V

10K

C16

R28

0.0047

R31

1.2K

R27 39K

C18

0.47/50

C30

0.1/50

4.8V

VCC2

REF

JP

+

–

10

SP–

SPO

27

2.5V

C17

0.001

R29 56K

R30

6.8K

FSS

EFBAL FOSTA TOSTA 2FREQ

LASER FSTA

8/12CM SLOF

+

–

+

–

REF

SLEO

28

2.5V

R33

1.2K

0V

DRF

C20

CE

DAT

CV– CV+ JP– JP+

JPCLO

SLOF

OR

REF

47/16

R34 22K

CE CL

LATOH

SLOF

SLD

C19

R32

10K

4V4V0V

CL

REF

+

–

29

2.5V

1/50

0V

2.4V

49505152535455565758596061626364

0V

NC

48

R45

TBC FSC

SLC

SLI

JP–

32

0V

C21

47 46

45 44

2.5V

43

2.4V

42

1.5V

41

40 39 38 37 36 35 34 33

R36

0.0033

220K

2.4V

6

2.5V 0V

C27

HF

TP1

0V

4.8V 0V

0V

4.8V

4.8V 0V

2.5V

0.001

R40

5.6K

4.7K

C24

2.2P

0V

C29

4.7/50

C26

0.033

R41 47K

C25 27P

R43

56K

C28

0.1

R44 33K

R42 47K

R38

470

R39

1K

C23

0.0027

220

C22

CLK

DEF

2

DGND

REF

+

–

3

RFS–

+

–

RFSM

RF

CV+

4

CV–

SLOF

HFL

5

TES

TOFF

TGL

+

–

JP+

SL–

SL+

30

31

2.2V

7

R35

220K

R37 82K

C35

1/50

GND

D1

1SS133

PICKUP UNIT

E

CNS2A

1 2 3 4 5 6 7 8

CNS3A

6

5 4 3 2 1

1 2 3 4 5 6 7 8

CNP2

CNP3

6 5 4 3 2 1

PD

LD

TR– TR+ FO+ FO–

CD2GND

SP+ SP– SL2+ SL2– CD2PUIN

C36

100/16

CNS2B

TR–

1

TR+

2

FO+

3

FO–

4

GND

5 6

PD VR

7

LD

8

F

+

M1

M

DISC

M2

SW4

IN

–

+

M

–

MOTOR

SLIDE

MOTOR

G

PICKUP

6 5 4 3 2 1

CNS3B

CNP3A

6

5 4 3 2 1

2.5V

1

2.5V

2

0V

3

2.5V

4

2.5V

5

2V

6

2V

7

0V

8

0V

9

0V

10

IC3

0V

11 12

0V

M56748FP

2V

13

2.5V

14

2.5V

15

0V

16

4.7V

17

0V

18

36

0V

35

0V

34

0V

33

2.5V 32

2.5V 31

1.8V 30

1.8V 29

0V

28

0V

27

0V

26

0V

25

2V

R48

24

2V

/SLIDE DRIVER

FOCUS/TRACKING/SPIN

0.7V

2.5V

4.7V

10K

23 22 21 20 19

+B

CD MOTOR PWB-K

12

+B

D3

RL104A

D2

RL104A

CNP12

D4

RL104A

RWC(DSP)

1

WRQ(DSP)

CO IN(DSP)

SQ OUT(DSP)

234

R47

CQ CK(DSP)

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.

1

23456

Figure 20 SCHEMATIC DIAGRAM (1/20)

– 20 –

23

()

027

220P

3

C22

R47

10K

C57

0.001

C37

0.022

R57 1K R58 1K R59 1K

R61 1K

C39

0.047

0.047 R52 27K

R53 1.2K

11

R62 1K R63 1K

R51

3.3M

R50

680

C40

R60

1K

C38

0.01

/CS

TEST5

TEST1

DEF1

0V

1

0V

TA1

2

0V

PDO

3

0V

VVSS

4

1.9V

ISET

5

4.8V

VVDD

6

0V

FR

7

0V

VSS

8

2.5V

EFMO

9

SLICE LEVEL

EFMIN

2.5V

4.8V

CONTROL

10

0V

TEST2

11

CLV+

0V

12

CLV

CLV2

0V

DIGITAL SERVO

13

V/P

14

HLF

0V

15

SERVO

TES

0V

COMMAND

16

TOFF

TGL

17

18 19 20 21 22 23 24 25 26 27 28 29

4.8V

IC2

LC78622K

SERVO/SIGNAL

CONTROL

C56

0.022 CD2LD2M–

+B

IC81

TA7291S

LOADING MOTOR DRIVER

0V

6.4V1V0V

6.5V

4 3 2 1

6

5

7

NC

3.9

C82

47/16

R83

C81

R85

56

(1/2W)

47/16

NC

4M

16M

/RES

TEST11

INTERFACE

VCO CLOCK

OSC CONTROL

SYNC-DETECT

EFM DEMODULATE

JP+

JP2

PCK

FSEQ

0V

2.5V

4.8V

NC

R81

2.9V

0V

3.9K

8

9

R82

6.8K

C46

100P

FSX

COIN

RWC

/CQCK

SQOUT

WRQ

µ-COM

2Kx8 RAM

ERROR COERECT

FLAG CONTROL

EXTERNAL

OUTPUT

VDD

CONT1

CONT2

CONT3

CONT4

0V

0V0V0V

R88 1K

R90 1K

R89 1K

CD2LD2M+

C45

C44

100P

NC

SFSY

SBCK

SUB-CODE

X-TAL

GENERATOR

CONT5

C2F

EMPH

30 31

NC

0V

Q51 KRC107 M 3

0V

1

0V

Q93

KRC102 M

3

0V

1

C47

100P

NC

49505152535455565758596061626364

PW

4FS

DIGITAL

FILTER

DIGITAL

OUT

DOUT

NC

2.5V

4.8V

0V

2

R80

6.8K

+B

12V

2

R86

2.2K

C48

100P

EFLG SBSY

XVSS

XOUT

XVDD

MUTER

RVDD

RCHO RVSS

LVSS

1BIT DAC

LCHO

LVDD MUTEL

TEST4

TEST3

32

0V

NC

R54 330

Q91

KTA1271 Y

12V

10K

R87

XIN

0V

D91

C49

48 47

46 45

44

43 42 41 40 39

38 37 36 35 34 33

1SS133

100P

2.2V 0V

0V

2.1V

2.2V

4.8V

C53

4.5V

2.0V 0V

0V

4.5V

4.8V NC

0V

R55 150

SOL

M– M+

CD2D2NO

CNP10

R93 220

0.022

C83

0.022

C43

330/6.3

C50

+B

C41 12P

C42 15P

0.82µH

1 2 3 4 5 6

7 8 9

10

+B

XL1

D81

1SS133

L61

C51

0.022

100/16

+B

BI99

1 2 3

CNS99

SOL GND(M) M– M+ GND(D) OPEN CLOSE DISC NO. GND(D) MECHA UP GND(D)

CD SERVO PWB-B

D82

1SS133

CD-GND

+7.3V

Q52

KTC3203 Y

+5V

1 2

TO MAIN PWB

3

1 2 3 4 5 6 7 8 9

10

CNS10

R64

22

C52

100/16

CNPR11 P23 10-B

BIM05

+7.3V

1 2 1

CNS5

1 2 3 4 5 6

R66

+B

330

ZD61

MTZJ4.7B

SOLENOID 2

–

M

+

SW2 MECHA UP

2

+12V

+B

SENSOR PWB-J

M3 T/T UP/DOWN LOADING

SW1 OPEN/ CLOSE

SW3 DISC NOMBER

+B

LOCK

CNP11

TO MAIN PWB

1

P24 1-C

2

CNSF11

3

CD-C482

OP/CLOS

UP/DOWN

SLD+

9

SLD–

PUIN SW

11

10

DISC NO.

12 13

14

D2GND

RES(DSP)

CQ CK(DSP)

SQ OUT(DSP)

DRF (ASP)

4

8

6

5

7

CNSF12

TO MAIN PWB

P24 1-D

• The numbers 1 to 12 are waveform numbers shown in page 20 (CD-C492).

7

8 9 10 11 12

Figure 21 SCHEMATIC DIAGRAM (2/20)

– 21 –

Sharp CD-C482,CP-C482,CP-SW482 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual