Sharp CD-C472,CD-C3400,C3400C,CD-C3800,C3800C Service Manual

– 1 –

CD-C472/C3400/C3400C/C3800/C3800C

No. S2812CDC472//

Illustration: CD-C472

Illustration: CD-C3400/C3400C/C3800/C3800C

CONTENTS

Page

IMPORTANT SERVICE NOTES (For U.S.A. Only) .......................................................................................................... 2

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

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

OPERATION MANUAL..................................................................................................................................................... 6

QUICK GUIDE .................................................................................................................................................................. 7

DISASSEMBLY................................................................................................................................................................. 8

REMOVING AND REINSTALLING THE MAIN PARTS.................................................................................................. 11

ADJUSTMENT................................................................................................................................................................ 12

NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................. 15

WAVEFORMS OF CD CIRCUIT..................................................................................................................................... 16

BLOCK DIAGRAM .......................................................................................................................................................... 17

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

TROUBLESHOOTING (CD CHANGER CONTROL / CD SECTION) ............................................................................ 34

FUNCTION TABLE OF IC .............................................................................................................................................. 38

FL DISPLAY.....................................................................................................................................................................44

REPLACEMENT PARTS LIST/EXPLODED VIEW

PACKING OF THE SET (For U.S.A. Only)

CD-C472

CP-C472, CP-SW472, CENTER(GBOXS0006AWM1)
and REAR(GBOXS0007AWM1), Constitute CD-C472.

CD-C3400/C3400C

CP-C3400, CP-SW472, CENTER(GBOXS0006AWM1)
and REAR(GBOXS0007AWM1), Constitute CD-C3400/C3400C.

CD-C3800/C3800C

CP-C3800, CP-SW3800, CENTER(GBOXS0006AWM3)
and REAR(GBOXS0007AWM3), Constitute CD-C3800/C3800C.

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

Manufactured under license from Dolby Laboratories Licens­ing Corporation. DOLBY, the double-D symbol and
"PRO LOGIC" are trademarks of Dolby Laboratories Licens­ing Corporation.

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-C472/C3400/C3400C/C3800/C3800C

– 2 –

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

IMPORTANT SERVICE NOTES (For U.S.A.Only)

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.

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.

TO EXPOSED
METAL PARTS

CONNECT TO
KNOWN EARTH
GROUND

TEST PROBE

0.15 µ F

1.5k ohms
10W

VTVM

AC SCALE

– 3 –

CD-C472/C3400/C3400C/C3800/C3800C

Front speaker section

Type: 2-way 4-3/4" (120 mm) woofer and 2" (50

mm) tweeter type

Maximum input power: 50 W
Impedance: 8 ohms
Dimensions: Width; 7-1/8" (180 mm)

Height; 11-13/16" (300 mm)
Depth; 8-1/2" (216 mm)

Weight: 5.7 lbs. (2.6 kg)/each

Type: 3-way type 4-3/4" (120 mm) woofer, 2"

(50 mm) tweeter and super tweeter]

Maximum input power: 50 W
Impedance: 8 ohms
Dimensions: Width; 7-7/8" (180 mm)

Height; 11-13/16" (300 mm)
Depth; 8-1/2" (215.5 mm)

Weight: 5.5 lbs. (2.5 kg)/each

Center speaker section

Type: 4" (100 mm) full range speaker
Maximum input power: 20 W
Impedance: 6 ohms
Dimensions: Width; 10-5/16" (262 mm)

Height; 5-3/4" (145 mm)
Depth; 7-15/16" (201 mm)

Weight: 2.6 lbs. (1.2 kg)

Rear speaker section

Type: 4" (100 mm) full range speaker
Maximum input power: 10 W
Impedance: 12 ohms
Dimensions: Width; 6-3/4" (170 mm)

Height; 4-13/16" (122 mm)
Depth; 6-15/16" (176 mm)

Weight: 1.3 lbs. (0.6 kg)/eac

Sub woofer section

Type: 5-1/8" (130mm) full range speaker
Maximum input power: 60 W
Impedance: 6 ohms
Dimensions: Width; 7-7/8" (200 mm)

Height; 11-13/16" (300 mm)
Depth; 11-11/16" (297 mm)

Weight: 7.9 lbs. (3.6 kg)

CP-C472

CP-C3400/C3800

GBOXS0006AWM1/3

GBOXS0006AWM1/3

General

Power source: AC 120 V, 60 Hz
Power consumption: 100 W
Dimensions: Width; 10-5/8" (270 mm)

Height; 11-13/16" (303 mm)
Depth; 13-13/16" (350 mm)

Weight: 14.0 lbs. (6.4 kg)

Amplifier section

Output power: Front speakers; 25 W minimum RMS into

8 ohms from 60 Hz to 20 kHz with no
more than 10 % total harmonic distortion.
Center speaker; 10 W
(1 kHz, 10 % T.H.D.)
Rear speakers; 10 W (total)
(1 kHz, 10 % T.H.D.)
Sub woofer; 30W
(80Hz, 10% T.H.D.)

Output terminals: Front speakers; 8 ohms

Center speakers; 6 ohms
Rear Speakers; 12 ohms
Sub woofer; 6 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)

Input terminal: Video/Auxiliaary (audio signal);

500 mV/47 kohms

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)

Compact disc player section

Type: 3-disc multi-play compact disc player
Signal readout: Non-contact, 3-beam semiconductor

laser pickup

D/A Converter: 1-bit D/A converter
Frequency response: 20 - 20,000 Hz
Dynamic range: 90 dB (1 kHz)

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

SPECIFICATIONS

CD-C472/C3400/

C3400C/C3800/C3800C

CP-SW472/SW3800

CD-C472/C3400/C3400C/C3800/C3800C

– 4 –

NAMES OF PARTS

Rear Panel

1. AC Power Input Socket

2. FM/AM Loop Aerial Socket

3. Video/Auxiliary (Audio Signal) Input Sockets

4. Sub woofer Terminals

5. Rear Speaker Terminals

6. Center Speaker Terminals

7. Front Speaker Terminals

Front Panel

1. Disc Tray

2. Disc Number Selector Buttons

3. Disc Skip Button

4. Open/Close Button:

5. Disc Number Indicator

6. Timer Indicator

7. Record Indicator

8. Sleep Indicator

9. Extra Bass Indicator: X-BASS

10. Function/CD Track/CD Counter/Frequency/Preset
Channel/Volume/Timer/Sleep Time Indicator

11. Memory Indicator

12. FM Stereo Mode Indicator: ST

13. FM Stereo Indicator:

14. CD Repeat Indicator:

15. CD Play Indicator:

16. CD Pause Indicator:

17. Power Button

18. Bypass Button

19. Phantom Button

20. Extra Bass Button: X-BASS

21. Main Volume Up/Down Buttons:

22. Function Selector Buttons

23. Timer/Sleep Button

24. Clock Button

25. Headphone Socket

26. Tuning and Time Up/Down Buttons:

27. Memory/Set Button

28. Record Pause Button:

29. (CD)Track Down/Review Button:
(TUNER)Preset Down Button:

30. Stop Button:

31. Normal Button

32. Play/Repeat Button:

33. (CD)Track Up/Cue Button:
(TUNER)Preset Up Button:

34. Equalizer Selector/Demo Mode Button

35. CD Pause Button

36. Random Button

37. Clear Button

38. Sub woofer volume Control

39. (TAPE 1) Cassette Compartment

40. (TAPE 2) Cassette Compartment

CD-C472/C3400/

C3400C/C3800/C3800C

1234

17 18 19 20

21

22
23

24
25

26

30

31 32 33

34

35

27

2829

37

36
38

39

40

MEMORY ST

kHz
MHz

1 2 3

REC

SLEEP

X-BASS

56789

10

11

12

13

14

15 16

1

2

3
4

5
6

7

– 5 –

CD-C472/C3400/C3400C/C3800/C3800C

CP-C472

Speaker Section
Front Speaker

1. Tweeter

2. Woofer

3. Bass Reflex Duct

4. Speaker Wire

5. Tweeter

6. Super Tweeter

7. Woofer

8. Bass Reflex Ducts

9. Speaker Wire

Center Speaker

10. Full Range Speaker

11. Speaker Wire

Sub woofer

12. Full Range Speaker

13. Speaker Wire

Rear Speaker

14. Full Range Speaker

15. Speaker Wire

1

2
3

4
5
6

8

7

9
10

11

12

13

14 15

16

17

18 19

20 21

24
25

26
27

22
23

28

CP-C3400/C3800

CP-SW472/SW3800

GBOXS0006AWM1/3

CD-C472/C3400/

C3400C/C3800/C3800C

Remote Control

1. Remote Control Transmitter LED

2. Surround Level Buttons:

3. Center Level Buttons:

4. Dolby Pro Logic Button

5. Center Mode Button

6. Test Tone Button

7. Balance Control Buttons:
Tuner control section

8. Preset Up/Down Buttons:
CD Control section

9. Disc Skip Button

10. Play/Repeat Button:

11. Memory Button

12. Clear Button

13. Pause Button:

14. Track Down/Review Button:

15. Track Up/Cue Button:

16. Stop Button:

17. Random Button

GBOXS0006AWM1/3

15

14

10

11

12

13

2
3

1

4

5
6

7

8

9

CP-C472
Front Speaker

CP-C3400/3800
Front Speaker

Tape control section

18. (TAPE 1) Play Button:

19. (TAPE 1/2) Stop Button:

20. (TAPE 2) Play Button:

21. (TAPE 2) Record Pause Button:

22. (TAPE 2) Rewind Button:

23. (TAPE 2) Fast Forward Button:

24. Equalizer Mode Button

25. Function Selector Buttons

26. Power Button

27. Extra Bass Button: X-BASS

28. Volume Up/Down Buttons:

CD-C472/C3400/C3400C/C3800/C3800C

– 6 –

OPERATION MANUAL

SETTING THE CLOCK

POWER

CLOCK

MEMORY/

SET

TUNING/

TIME

( )

AM 12:00 AM 0:00 0:00

2

3

4

7

6

5

8

9

(Main unit operation)

1 Press the POWER switch to turn the power off.

2

Press the CLOCK button.

3 Within 3 seconds, press the MEMORY/SET button.

4 Press the TUNING/TIME ( or ) button to select the time

display mode.

"AM 12:00" → The 12-hour di splay will ap pear.

(AM 12:00 - PM 11:59)

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

(AM 0:00 - PM 11:59)

"0:00" → The 24-h our display will a ppear.

(0:00 - 23:59)

● Note that this can only be set when the unit is first installed

or it has been reset (see page 18).

5 Press the MEMORY/SET button.

6 Press the TUNING/TIME ( or ) button to adjust the hour.

● Press the TUNING/TIME button once to advance the time by

1 hour. Hold it down to advance continuously.

● When the 12-hour display is selected, "AM" will change auto-

matically to "PM".

7 Press the MEMORY/SET button.

8 Press the TUNING/TIME ( or ) button to adjust the

minutes.

● Press the TUNING/TIME ( or ) button once to advance

the time by 1 minute. Hold it down to change the time in 5

minute intervals.

● The hour setting will not advance even if minutes advance

from "59" to "00".

9 Press the MEMORY/SET 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 POWER switch is set to OFF.

① Press the MEMORY/SET button.

② Perform steps 6 - 9 above.

When the POWER switch is set to ON.

① Press the CLOCK button.

② Within 3 seconds, press the MEMORY/SET button.

③ Perform steps 6 - 9 above.

To see the time display:

Press the CLOCK button.

● The time display will appear for about 3 seconds.

To change the time display mode:

① Perform steps 1 - 2 in the section "RESETTING THE MICRO-

COMPUTER", on page 18.

② Perform steps 1 - 9 above.

In this example, the clock is set for the

12-hour (AM 12:00) system.

RESETTING THE MICROCOMPUTER

Reset the microcomputer under the following conditions:

● To erase all of the stored memory contents (clock and timer

settings, and tuner and CD presets).

● If the display is not correct.

● If the operation is not correct.

1

Press the POWER switch to turn the power off.

2

While pressing down the VOLUME button and the /

button, hold down the POWER button for at least 1 sec-

ond.

Caution:

● The operation explained above will erase all data stored in

memory including clock and timer settings, and tuner and CD

presets.

1,2

2

2

– 7 –

CD-C472/C3400/C3400C/C3800/C3800C

MINI COMPONENT SYSTEM

CD-C472

Quick-Guide
Guía rápida

Preparation fo r use

Preparación pa ra su uso

8 OHMS

MIN.

6 OHMS

MIN.

6 OHMS

MIN.

12 OHMS

MIN.

RIGHT

RATED SPEAKER IMPEDANCE:

LEFT

RIGHT

LEFT

SPEAKERS

FRONT

CENTER

REAR

SUB WOOFER

A

B

C

D

A

B

C

D

+

+

15

15

POWER

POWER

Turning the power on
and off

Conexión y desconex­ión de la alimentación

Remote control

Control remoto

CD playback

Reproducción d e discos compactos

Precaution

OPEN

/CLOSE

OPEN

/CLOSE

C D

● AM Loop Antenna

●

Antena de cuadro de AM

● FM Antenna

●

Antena de
FM

● AC 120 V, 60 Hz

●

120 V de CA, 60 Hz

White line

Línea blanca

White line

Línea blanca

White line

Línea blanca

Red

Rojo

Black

Negro

Red

Rojo

Red

Rojo

Black

Negro

Black

Negro

● 2 "AA" batteries

●

Dos pilas "AA"

● Batteries are not included.

●

Las pilas no están incluidas.

Remote Sensor

Sensor remote

8" - 20' (0.2m - 6m)

0,2m - 6m

● Label facing up

●

Etiqueta hacia arriba

● The sound level at a given volume setting
depends on a combination of speaker efficiency,
location and many other factors. It is advisable
to avoid exposure to high volume levels, which
occur while turning the unit on with the volume
control setting up high, or while continually
listening at high volume levels.

● Only discs bearing the logo as
shown can be played in this
unit.

TAPE 1

TAPE
(1 2)

TAPE 2

REC PAUSE

C D

TAPE 2

TUNER
(BAND)

TUNING/TIME

ST

FM STERO

FM MONO

AM

VOLUME
UP • • •

X-BASS

DOWN •

VOLUME

FLAT HEAVY-1

HEAVY-2

SOFT-2

SOFT-1

VOCAL

Recording from CDs

Grabación de dis cos compactos

Tape playback

Reproducc ión de cintas

Radio operation

Funcionamiento de la radio

Precaución

Sound control

Control del sonido

Load the disc to be
recorded.

Introduzca el disco
que va a grabar.

VOLUME
UP • • •

X-BASS

DOWN •

X-BASS

CD recording
starts.

La grabación de
CD empieza.

•

El nivel de sonido en una posición de volumen
fijado depende de una combinación del
rendimiento de las altavoces, la posición y
muchos otros factores. Es aconsejable evitar
un aumento de volumen. Esto se produce, por
ejemplo, al conectar el aparato con el volumen
puesto en una posición alta. Evite continuar la
audición prolongada a altos
niveles de sonido.

•

En este aparato sólo pueden
reproducirse los discos que
tengan el logotipo mostrado.

Main volume

Sub woofer volume

Equalizer

Extra-BASS

Volumen principal Volumen de subgraves

Ecualizador

Graves extra

SUB WOOFER

VOLUME

MIN MAX

DEMO

EQUALIZER

EQUALIZER

MODE

CD-C472/C3400/C3400C/C3800/C3800C

– 8 –

DISASSEMBLY

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. 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.

Figure 8-2

Figure 8-3

CD-C472/C3400/

C3400C/C3800/C3800C

1 Top Cabinet 1. Screw ..................... (A1) x4 8-1

2 Side Panel 1. Screw ..................... (B1) x6 8-1

(Left/right) 2. Screw ..................... (B2) x2

3 CD Player Unit/ 1. Turn on the power supply, 8-2

CD Tray Cover open the disc tray, take out

the CD cover, and close.
(Note 1)

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

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

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

5. Socket .................... (C4) x2

4 Back Board 1. Screw ..................... (D1) x9 8-2

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

5 Main PWB 1. Screw ..................... (E1) x1 9-1

2. Socket .................... (E2) x2

3. Flat Wire................. (E3) x1

4.Tip Wire................... (E4) x1

5.Socket ..................... (E5) x1

6 Front Panel 1. Screw ..................... (F1) x2 9-1

7 Display PWB/ 1. Socket .................... (G1) x1 9-2

Switch PWB 2. Screw .....................

(G2) x13

8 Tape Mechanism 1. Open the cassette holder. 9-2

2. Screw...................... (H1) x5

9

Power Amp. PWB

1. Screw ..................... (J1) x3 9-3

2. Socket .................... (J2) x2

10 Turntable 1. Screw ..................... (K1) x1 9-4

2. Cover ..................... (K2) x1

11 Disc Tray 1. Screw ..................... (L1) x2 9-4

2. Guide ..................... (L2) x2

12 CD Player Unit 1. Screw..................... (M1) x1 9-5

2. Socket .................... (M2) x4

13 CD Changer 1. Screw ..................... (N1) x4 9-6

Mechanism 1. Screw

14 CD Mechanism 1. Screw ..................... (P1) x1 9-6

STEP REMOVAL PROCEDURE FIGURE

Note 1:

How to open the changer manually. (Fig. 8-3)

1. Insert the tip of fine screwdriver into the hole of CD player
base, and press down the worm wheel < A > .

2. 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-C472/C3400/

C3400C/C3800/C3800C

Figure 8-1

( B1 ) x2
ø3 x8mm

( B2 ) x2
ø3 x8mm

( B1 ) x2
ø3 x8mm

Top Cabinet

Side Panel
(Right)

Rear Panel


Side Panel
(Left)

( A1 ) x2
ø3 x12mm

( A1 ) x2
ø3 x12mm

CD Tray Cover

CD Player Unit

( D1 ) x2
ø3 x10mm

( D1 ) x7
ø3 x8mm

( C3 ) x1
ø3 x8mm

Hook
( C1) x3

( C2 ) x1

( D2 ) x1

( C4 ) x2

Back Board


Main PWB

Front Panel

1

1

2

A

Pull

(C2) x1

LOCK 
LEVER

< A >

– 9 –

CD-C472/C3400/C3400C/C3800/C3800C

Figure 9-1

Figure 9-2

Figure 9-3

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.

Figure 9-4

Figure 9-5

Figure 9-6

Display 
PWB

Switch PWB

Open

Front Panel

( G2 ) x3
ø3 x10mm

( G2 ) x10
ø3 x10mm

( H1 ) x5
ø3 x10mm

( G1 ) x1

Tape
Mechanism

Cassette
Holder
(Left/Right)

( E2 ) x2


( E3 ) x1


(E5) x1


( E4 ) x1


( E1 ) x1
ø3 x10mm

( F1 ) x2
ø3 x8mm

Main PWB

Push

Push

Front Panel

Tape
Mechanism

Power Amp. 
PWB

( J1 ) x3
ø3 x12mm

( J2 ) x1

( J2 ) x1

Power Amp. 
PWB

Power 
Transfomer

( L1 ) x1
ø3 x10mm

( L1 ) x1
ø3 x10mm

( K1 ) x1
ø3 x10mm

Turntable

Disc Tray

( K2 ) x1

( L2 ) x1

( L2 ) x1

CD Player Unit

( M1 ) x1
ø3 x10mm

( M2 ) x2

( M2 ) x2

CD Player Unit

( N1 ) x4

ø3 x12mm
( P1 ) x1
ø2.6 x10mm

CD Changer
Mechanism

CD Mechanism

Shift Lever

CD Player Base

CD-C472/C3400/C3400C/C3800/C3800C

– 10 –

CP-C472

1 Front Speaker 1. Net.......................... (A1) x1 10-1

2. Front Panel ............ (A2) x1

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

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

STEP REMOVAL PROCEDURE FIGURE

CP-C472

( A3 ) x2
ø3 x10mm

( A4 ) x4
ø3 x12mm

Screwdriver

Net
( A1 ) x1

Front Panel
( A2 ) x1

Woofer

Tweeter

Figure 10-1

Screwdriver

Woofer

Tweeter

Super
Tweeter

( A4 ) x4
ø4 x12mm

( A3 ) x2
ø3 x10 mm


( A1 ) x1

( A2 ) x1

Figure 10-2

CP-C3400/C3800

CP-SW472/SW3800

( A3 ) x4
ø3 x12mm

Net 
( A1 ) x1

( A2 ) x1

Screwdriver

Woofer

Figure 10-3

CP-C3400/C3800

1 Front Speaker 1. Net.......................... (A1) x1 10-2

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

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

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

STEP REMOVAL PROCEDURE FIGURE

CP-SW472/SW3800

1 Sub woofer 1. Net.......................... (A1) x1 10-3

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

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

STEP

REMOVAL PROCEDURE FIGURE

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.

– 11 –

CD-C472/C3400/C3400C/C3800/C3800C

How to remove the pickup (See Fig. 11-2)

1. Remove the screws (B1) x 2 pcs., to remove the shaft (B2).

2. Remove the stop washer (B3) x 1 pc., to remove the gear
(B4).

3. Remove the pickup.

Figure 11-2

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 mechanism.

How to remove the loading motor
(See Fig. 11-1)

1. Remove the screws (A1) x 2 pcs., to remove the loading
motor.

Figure 11-1

( A1 ) x2
ø2.6 x5mm

Loading / Up
/ Down Motor

Motor
PWB

( B1 ) x2
ø2.6 x6mm

Shaft
( B2 ) x1

Stop Washer
( B3 ) x1

Gear
( B4 ) x1

CD Mechanism

Pickup

CD-C472/C3400/C3400C/C3800/C3800C

– 12 –

MECHANISM SECTION

• Driving Force Check

Torque Meter Specified Value

Play: TW-2412 Tape 1: Over 80 g

Tape 2: Over 80 g

• Torque Check

Torque Meter

Tape 2

Play: TW-2111 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.cm

Specified

Value

Adjusting

Point

Instrument

Connection

Test Tape

Normal MTT-111 Volume in 3,000 ± Speaker
speed motor. 30 Hz terminal

(MM1) (Load

resistance:
8 ohms)

ADJUSTMENT

Specified Value

Tape 1

• Tape Speed

• AM IF/RF

Signal generator: 400 Hz, 30%, AM modulated

*1. Input: Antenna, Output: TP302
*2. Input: Antenna, Output: TP301

TUNER SECTION

fL: Low-range frequency
fH: High-renge frequency

IF 450 kHz 1,720 kHz T351 *1
Band — 530 kHz (fL): T302 *2

Coverage 1.1 ± 0.1 V
Tracking 990 kHz 990 kHz (fL): T302 *1

Test Stage Frequency Frequency

Display

Setting/

Adjusting

Parts

Instrument

Connection

*1. Input: Antenna, Output: TP301
*2. Input: Antenna, Output: Speaker terminal

• FM RF

Signal generator: 1 kHz, 75 kHz dev., FM modulated

Band — 87.50 MHz L303(fL): *1
Coverage 3.4 V ± 50 mV

RF 98.00 MHz 98.00 MHz L302 *2

(10-30 dB)

Test Stage

Instrument

Connection

Frequency

Frequency

Display

Serring/

Adjusting

Point

• Detection

Signal generator: 10.7 MHz, FM sweep generator

Detection 10.7 MHz 98.00 MHz T352 Input: Pin 1 of

IC303
Output: TP302

IF 10.7 MHz 98.00 MHz T301(Turn Input: Pin 1 of

the core of IC301
transformer Output: TP302
T352 fully
counter­clookwise.)

Instrument

Connection

Test

Stage

Adjusting

Parts

Frequency

Display

Frequency

Adjusting

Parts

Instrument

Connection

Frequency

Display

Frequency

• VCO Frequency

* Adjust for 76 kHz ± 200 Hz.

Notes:

After preparing the test circuit shown in Fig 12-2, connect the
Pin 13 , Pin 21 and ground of the IC303 with test circuit, and
measure the Value.
At this time, apply a standard unmodulated signal input and
adjust the VCO.

Pin 13 of IC303

Pin 21 of IC303

D

G

S

10 kΩ

TO FREQUENCY
COUNTER

FET : 2SK19 or 2SK54

Figure 12-2

TAPE MECHANISM

MM 1
Motor

Volume in motor

98.00 MHz 98.00 MHz VR351* Pin 13, Pin 21
(60 dB) and ground

of IC303

Figure 12-1 ADJUSTMENT POINTS

IC301

IC303

MAIN PWB

13

1

1

21

FM BAND
COVERAGE fL

T301

R316

L303

TP301

L302

T351

T352

TP302

R340

T302

VR351

VCO

AM IF

FM RF

FM DET

FM IF

AM TRACKING
fL

AM BAND
COVERAGE fL

– 13 –

CD-C472/C3400/C3400C/C3800/C3800C

TEST MODE

2

1

TO

TE

200 ms
1V/diV
IC 1 15

200 ms
1V/diV
IC 1 7

TRACKING/
ERROR
BARANCE
ADJUST

Figure 13-2

Figure 13-3

2

1

10ms

0.50 V
IC1 20 FE

10ms

0.50 V
IC1 7 TE

Enlarged
View

TRACKING
OFF-SET
ADJUST

Since this CD system incorporates the following automatic adjustment function, when the pickup is replaced, it is not necessary
to readjust it.
Since this CD unit does not need adjustment, the combination of PWB and laser pickup unit is not restricted.

• Automatic adjustment item

1. Focus offset (Fig. 13-2)

2. Tracking offset (Fig. 13-3)

3. E/F balance (tracking error balance) (Fig. 13-4)

4. RF level AGC function (HF level: constant)

5. RF level automatic follow-up of the tracking gain

This automatic adjustment is performed each time a disc is changed. Therefore,
each disc is played back using the optimal settings.

CD SECTION

Figure 13-1

Note:

Only in STOP state it is possible to slide the pickup with the ( ) or ( ) key.
VOL. --- Last memory

BAL. --- CENTER
R.GEQ. --- FLAT
X-BAS --- OFF

Canceling method - POWER OFF

• Setting the test mode

Any one of test mode can be set by pressing several keys as follows.
<REC. PAUSE> + <DISC. SKIP> + <POWER> TEST: CD operation test

• TEST mode

Function — CD test mode

Setting of TEST mode
Indication of CD TST mode (Fig. 13-1)
OPEN/CLOSE operation is manual operation.
The pickup can be moved by using the (

) or ( ) key.

<MEMORY>
LASER ON

<PLAY> key input

Press <STOP> key.

Stop

TOC. IL is performed, and the ordinary PLAY is performed.
If the following key is pressed during PLAY, it is possible
to specify directly any Track No.
<Disc Number 1> key: Track 4
<Disc Number 2> key: Track 9
<Disc Number 3> key: Track 15

<MEMORY>
Tracking on the spot.
SERVO OFF PLAY

<MEMORY>
Tracking on the spot.
SERVO ON PLAY

STOP

2

0.1s

0.50 V
IC1 20 FE

0.1s

0.50 V
IC1 7 TE

1

FOCUS
OFF-SET
ADJUST

TRACKING
OFF-SET
ADJUST

Figure 13-4

IL is not performed.

<STOP>

1 2 3

CD-C472/C3400/C3400C/C3800/C3800C

– 14 –

SP out L-ch Input signal is output.
(SO901) R-ch Input signal is output.

(SO901) SP out C-ch SP cut, no output
(SO901) SP out S-ch

Almost no output (only omitting component)

SP out L-ch Almost no output (only omitting component)
(SO901) R-ch Almost no output (only omitting component)

(SO901) SP out C-ch

Input signal is output.

(SO901) SP out S-ch

Almost no output (only omitting component)

State of set Dolby Pro Logic Dolby Pro Logic On mode
Output point Bypass mode Normal mode Phantom mode

IC501 12 pin L-out Output enabled state Output enabled state Output enabled state

11 pin R-out Output enabled state Output enabled state Output enabled state
IC501 9pin C-out No output Output enabled state No output
IC501 10pin S-out No output Output enabled state Output enabled state
SP OUT L-ch Output enabled state Output enabled state Output enabled state
(SO901) R-ch Output enabled state Output enabled state Output enabled state
SP OUT C-ch No output in MUTE (Q604) state Output enabled state No output in MUTE (Q604) state
(SO901)
SP OUT S-ch No output in MUTE (Q603) state Output enabled state Output enabled state
(SO901)

EXPLANATION OF DOLBY SURROUND PRO LOGIC AND EVALUATION METHOD

Test tone output

• Pro Logic ON Normal mode
Press the remote control TEST TONE button.
→Output of only L-ch →Output of only C-ch

↑ ↓

Output of only S-ch ← Output of only R-ch
The test tone (noise) is repeatedly output for output period
(2 sec).
In this case the following indication appears repeatedly.
→TEST →L-ch →C-ch

↑ ↓

S-ch ← R-ch

• Pro Logic ON Phantom mode
Press the remote control TEST TONE button.
→Output of only L-ch →Output of only R-ch

↑ ↓

← Output of only S-ch
The test tone (noise) is repeatedly output for output period
(2 sec).

In this case the following indication appears repeatedly.
→TEST → L-ch → R-ch

↑ ↓

← S-ch←

Outline

• Namely, two speakers are connected in parallel to one
amplifier.

• In the Pro Logic BYPASS mode the amplifier for C-ch (center

channel) and the amplifier for S-ch (surround channel) are in
MUTE state. The SP output is cut.

• In the normal mode of Pro Logic ON mode the amplifiers for
C-ch and S-ch are in operative state, so that the SP output
appears.

• In the Phantom mode of Pro Logic ON mode the amplifier for
C-ch is in MUTE state, so that the SP output is cut. The
amplifier for S-ch (surround) is in operative state, so that the
SP output appears

• State of element output and terminal output in specific mode

Relation between VIDEO IN input and output in Pro Logic
ON state

(1) L-ch/R-ch same phase input into VIDEO IN input jack in

VIDEO Function mode

Output point Normal mode

Output point Phantom mode

(2) L-ch/R-ch reverse phase input into VIDEO IN input jack in

VIDEO Function mode

(Reverse phase: Phase difference between L and R is 180°)

Output point Normal mode

SP out L-ch

Almost no output (only omitting component)

(SO901) R-ch

Almost no output (only omitting component)

(SO901) SP out C-ch

Almost no output (only omitting component)

(SO901) SP out S-ch Input signal is output.

Output point Phantom mode

SP out L-ch

Almost no output (only omitting component)

(SO901) R-ch

Almost no output (only omitting component)
(SO901) SP out C-ch SP cut, no output
(SO901) SP out S-ch Input signal is output.

• Accordingly, if you want to output signal waveform to C-ch SP
out, give the same phase input into L-ch/R-ch INPUT in the
Pro Logic Normal mode.

If one of channels receives input, C-ch does not output. Only

L-ch or R-ch outputs.

• If you want to output signal waveform to S-ch SP out, you can
use either Normal mode or Phantom mode. However, 180°
reverse phase input must be given to L-ch/R-ch INPUT.

– 15 –

CD-C472/C3400/C3400C/C3800/C3800C

• 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.

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 POSITION

SW716 TUNING DOWN ON—OFF
SW717 POWER ON—OFF
SW718 CLOCK ON—OFF
SW719 TIMER/SLEEP ON—OFF
SW720 MEMORY/SET ON—OFF
SW721 CD ON—OFF
SW722 TUNER/BAND ON—OFF
SW723 TAPE ON—OFF
SW724 VIDEO/AUX ON—OFF
SW725 PASS ON—OFF
SW726 NORMAL ON—OFF
SW727 PHANTOM ON—OFF
SW728 CD PAUSE ON—OFF
SW729 CD CLEAR ON—OFF
SW730 RANDOM ON—OFF
SWM 3 FOOL PROOF ON—OFF
SWM 4 F.A.S. ON—OFF
SWM 5 CAM ON—OFF

REF. NO

DESCRIPTION

SW1 OPEN/CLOSE ON—OFF
SW2 MECHA UP ON—OFF
SW3 DISC NUMBER ON—OFF
SW4 PICKUP IN ON—OFF
SW701 EQUALIZER/DEMO ON—OFF
SW702 VOLUME DOWN ON—OFF
SW703 X-BASS ON—OFF
SW704 VOLUME UP ON—OFF
SW705 OPEN/CLOSE ON—OFF
SW706 DISC SKIP ON—OFF
SW707 DISC 1 ON—OFF
SW708 DISC 2 ON—OFF
SW709 DISC 3 ON—OFF
SW710 REC. PAUSE ON—OFF
SW711 UP ON— OFF
SW712 STOP ON—OFF
SW713 PLAY ON—OFF
SW714 DOWN ON—OFF
SW715 TUNING UP ON—OFF

2SA1015 GR
2SC535 C
2SD468 C
KRA102 M
KRA109 M
KRC102 M
KRC104 M

KRC107 M
KTA1266 GR
KTA1271 Y
KTC3199 GR
KTC3200 GR
KTC3203 Y

ECB
(S)(G)(D)
(1) (2) (3)

FRONT

VIEW

BCE
(D)(G)(S)
(3) (2) (1)

FRONT

VIEW

2SD2012

Figure 15 TYPES OF TRANSISTOR

CD-C472/C3400/C3400C/C3800/C3800C

– 16 –

WAVEFORMS OF CD CIRCUIT

3

5ms

0.50 V
IC1 20 F.E

1

5ms

5.0 V
IC1 54 DRF

STOP PLAY

FOCUS SERCH

1

3

5

4

2

6

7

8

9

10

11

3

4

5

6
7
8
9

6

7

8

10

11

12

9

6
7
8
9

12

0.5ms

1.00 V
HF

0.5ms

5.0 V
HFL

0.5ms

5.0 V
TES

1
2

3

CUE

0.5ms

1.00 V
HF

1
2

3

0.5ms

5.0 V
HFL

0.5ms

5.0 V
TES

REVIEW

50ms

10.0 V
JP+

CUE

50ms

10.0 V
JP-

50ms

0.50 V
JP

50ms

1.00 V
TE

0.5ms

10.0 V
JP+

0.5ms

10.0 V
JP-

0.5ms

0.50 V
JP

0.5ms

1.00 V
TE

REVIEW

50ms

10.0 V
JP+

50ms

10.0 V
JP-

50ms

0.50 V
JP

50ms

1.00 V
TE

0.5ms

10.0 V
JP+

0.5ms

10.0 V
JP-

0.5ms

0.50 V
JP

0.5ms

1.00 V
TE

PLAY

20ms

1.00 V
SPO

NORMAL DISC
TN0=01

20ms

2.00 V
CLV+

PLAY

TCD-712 (140mm)
TN0=01

50ms

1.00 V
SPO

50ms

2.00 V
CLV+

PLAY

TCD-712

5s
100mV
SLD

1

0.5s
100mV
SLD

1

– 17 –

CD-C472/C3400/C3400C/C3800/C3800C

Figure 17 BLOCK DIAGRAM (1/3)

1

2

3

4

5

98

6

7

20

12

13

242530

31

3222

34

35

36

10 11

27

26

28

29

PU-IN SW

XL1

XIN

LD0

FIN2

JP–

CV+

SLC

SL1

FIN1EF

TO

FD

SPO

NC

SLD

SL–

SL+

DRF

CL

DAT

CE

VCC1

6

+5V

PICKUP IN

SW4

FOCUS COIL

TRACKING COIL

M1

DISC

MOTOR

M

M

M2

SLIDE

MOTOR

PICKUP UNIT

9

IC2

LC78623D

SERVO/SIGNAL

CONTROL

+B1

IC3

M56748FP

DRIVER

IC1

LA9241M

SERVO AMP.

6

1

9

5

+B1

+12V(+B5)

( TO IC601 )

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

37

38

39

40

24

25

10 10

265853

101220

324043

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

RCHO

RVSS

LVSS

LCHO

VVDD

VDD

LVDD

RVDD

XVDD

SW1

OPEN/CLOSE

SW2

MECHA UP

SW3

DISC No.

M3

LOADING

SOLM1

TO DISPLAY

SECTION

CNS10

CD-C472/C3400/C3400C/C3800/C3800C

– 18 –

Figure 18 BLOCK DIAGRAM (2/3)

J501

VIDEO/AU

X

L
R

L-CH
R-CH

PB HEAD

1

2

3
4

L NF

L (T1)
R (T1)
L (T2)
R (T2)

R NF

4

5

13

21

24

23

18

17
10

1915

12

14

16

20

H/N

6

7

8

9

T1/T2

POP REDUCE

L REC
R REC

R NF

REC

L NF

P.B.

REC

L-CH
R-CH

REC/PB
HEAD

ERASE
HEAD

BIAS
OCS

REF

ALC

HIGH

NOR/

T1/T2

1

GND

3

4

5

1

X352

4.5MHz

OSC

7

STEREO

FM/AM

SWITCHING

ST

ST

1

234

57

8

6

FM IF

OSC BUFF

AM IF

FM IF IN

VT

FM RF FM OSC

FM

OSC

FM IN

AMIN

FM

5

3

AM MIX

AM IF

6

9

FM/AM

FM+B

21

20 13 15

10

111617

DET OUT

MPX IN

24

2223

AM OSC IN

AM+B

AM RF IN

FM DET

VCO

FM DET

MO/ST

+B4

9

AM TRACKING

AM BAND
COVERAGE

+B4

L

R

PLAYBACK&RECORD/

PLAYBACK AMP.

IC101

AN7345K

L

R

P.B

IC301

FM FRONT END

TA7358AP

FM BPF

FM/AM IF

IC303

LA1805

TA

P

A

TU

C

D

FROM CD SECTION

Q128
L104

Q124

Q126

BIAS

Q103
Q106

~

P.B

REC

AC BIAS

Q107
Q108

Q111

Q109 Q110

T1/T2

MUTING

Q121
Q122

REC

+B4

L

R

Q344

7

6

CE

DI

CL

DO

22

10

20

15 16

21

17

11

Q343

T351

T352

VR351

CF301

T301

L303

Q302

L302

T302

AM ANT.

IC302

LC72131

PLL CONTROLLER

FM

MPX VCO ADJ

TAPE 1

TAPE 2

R

L

FM OSC

BF301

SWITCHING

SWITCHING

SWITCHING

SWITCHING

SWITCHING

FM&AM LOOP ANT

VOLTAGE

REGURATER

+

B

SWITCHING

BIAS

FM +B

RT-IN

LT-IN

L-OUT

R-OUT

CL

+B4

CL
DATA
DATA

ENABLE

X501

8

18

45

44

23

24

IC501

LV1035M

DOLBY PRO LOGIC

DECORDER

38

35

37

36

42

33

31 32

34

21

– 19 –

CD-C472/C3400/C3400C/C3800/C3800C

Figure 19 BLOCK DIAGRAM (3/3)

13

4

4

3

11

STAND-BY

L

J501

VIDEO/AUX

R

L
R

R

REAR-OUT

CENTER

OUT

FM/AM

WITCHING

ST FM

9

M

10

MONO/ST

T

FM

9

2
5

12

14

REAR-IN
CENTER-IN

7

VCC

14

NF

8

+12V (ANALOG)

+B4

+12V (MOTOR)

+5.6V

+B5

+B1

L
R

OUT

IC951

LA4451

POWER AMP.

+B4

PRESET GRAPHIC EQUALIZER

VDD

X-BASS

VSS

GRAPHIC EQUALIZER

VOLUME

20
28

REAR

CENTER

R

R
L

L

L

TAPE

AUX

TUNER

CD

7

Q343

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

+B1

+
–

SUB WOOFER

+
–

+

–

+

–

REAR SPEAKER

CENTER SPEAKER

JA901
HEADPHONES

M901
FAN MOTOR

+7.3V

Q820
Q822

Q824
Q825

Q823
Q826

IC601

LC75396E

AUDIO PROCESSOR

23

52
60

53
59

54
58

55
57

49 6348 64 26

4425436

44

24 25 56

CLDICE

OLTAGE
GURATER

+B4

25

27
29
30
33
34
35
36
37
38
39
40

42 41434445464748495051 4352535455565859

60

65

70

57

2423222120191817

80

72
71

16151413121110

9

~

6
1

~

~

~

7

8

3

RX701

Q707~
Q709
LED701~
LED706

2

1

SYSTEM STOP

DO
DRF

DI

DE

CL

RESET

XL701

4.19MHz

AVDD
AVREF

VDD
+B2

KEY

SW701
SW730

TO POWER SECTION
+B5

PHM1

RESET

Q705
Q706

ZD701

MEMORY
BACK UP

+B2

3

2

1~

3330 31 32

Q701

+B2

+B1

UNSWITCH

FL701

DISPLAY

~

61

64

~

POWER

C-MUTE

T.F

AC 120V 60Hz

AC POWER

SUPPLY CORD

VOLTAGE

REGULATOR

Q801

Q903

Q901 Q902

Q710

D807
D809

~

D803 ~ D806

ZD801

Q704

IC701

IX0192AW
SYSTEM CONTROL
MICROCOMPUTER

TO CD SECTION

TO CD SECTION

TO CD SECTION

TO CD SECTION

16

19

3

4

8

4

3

5

L-OUT

FRONT

R-OUT

SUB-WOOFER OUT

SUB-WOOFER
IN

12

18

1

R-IN

FRONT

L-IN

VR701
SUB WOOFER
VOLUME

–B

+B

+B4

IC901

STK40724

POWER AMP.

IC451

NJM4558L

SUB WOOFER AMP.

D801

D802

12

39

9

36

11

40

8

37

10

41

7

38

+
–

+

–

FRONT SPEAKER

SO901

SPEAKER TERMINAL

CD PUIN

CD SL+

CD SL–

VDD

TAPE SOL

TAPE MOTOR

TAPE MECHASTOP

TAPE FP

R MUTE

D.P.CE

T1 RUN PLSE

SOLM1

SOLENOID

SWM5

CAM

SWM4
F. A. S

SWM3

FOOL PROOF

L-CH INPUT

R-CH INPUT

T2 RRUN PLSE

CD UP DOWN/DISC NO

CD DSP RES

CD T/T OPEN/CLOSE

RESET

CD DSP SQOUT

CD DSP COIN

CD DSP RWC

CD DSP CQCK

CD DSP WRQ

T1/T2

TAPE REC

TAPE BIAS

Q603
Q604

Q601
Q602

F-MUTE

F-MUTE

3018

LRIN

RRIN

RTIN

LTIN

17
31

R
L

L-OUT

R-OUT

X501

23

24

OGIC
R

22

9

31 32

S- OUT
C-OUT

7

3
5

1
7

IC681

NJM4560L

HEADPHONE AMP.

Q905Q605

M

Q671 Q672
Q673 Q674

H/P MUTE

+B1

+

–

9
8

20

Q705
Q706

Q904

CD-C472/C3400/C3400C/C3800/C3800C

– 20 –

Figure 20 SCHEMATIC DIAGRAM (1/10)

A

B

C

D

E

F

G

H

1

23456

• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.

1

2

3

4

5

5

4

3

2

1

8

7

1

5
4
3
2

1

6

5

4

3

2

8

7

2
3
4
5
6

8

7

2
3
4
5
6

M

M

11

6
5
4
3
2
1

6
5
4
3
2
1

6
5
4
3
2
1

6
5
4
3
2
1

8

7

6

5

4

3

2

1

5

4

3

2

1

2200P

1M

2200P

1M

PD
VR
LD

TR–
TR+
FO+
FO–

GND

PD
VR
LD

TR–
TR+
FO+
FO–

GND

PICKUP UNIT

ACTUATOR

TR–

FO–

FO+

TR+

LD GND

LT0H30M1

C

F

A

B

E

K

LD

MON

CD MOTOR PWB-E

–

+

–

+

CNP12

C33

0.47/50

C34

0.33/50

R21

22K

R22

22K

D1
1SS1

3

R37
82K

R26

82K

C13

330P

IC1

LA9241M

SERVO AMP.

R45

4.7K

R38
470

R46

560

C2

0.01

C1

100/16

R2
1K

C12

0.1

R14
27K

R131KC9

0.047

D2

RL104A

D4
RL104A

C84

0.001

R12
100

C7

0.1/50

C8

0.068

C10

180P

R15
12K

R16

3.3K

C18

0.47/50

R31

1.2K

C26

0.033

R40

5.6K

C24

2.2P

C27

0.001

C30

0.1/50

C31

220/6.3

C32

0.01

R32
10K

R33

1.2K

C19

1/50

C20

47/16

R36
220K

C21

0.0033

R35
220K

D3

RL104A

C11

0.1

R18
15K

R1
22

C35
1/50

C4

0.1/50

C14

0.01

C28

0.1

C29

4.7/50

R17
33K

R24
47K

R23

10K

R25

1.5K

R27
39K

C16

0.0047

R9

100K

R8
15K

C54

0.001

C5

0.033

R10

2.2K

C6

0.033

R11

6.8K

IC3

M56748FP

FOCUS/TRACKING/SPIN/SLIDE DRIVER

C36
100/16

R48
10K

R34
22K

C3

1/50

R19

1K

R20

1K

R30

6.8K

C17

0.001

R29 56K

R28 10K

R42
47K

R44
33K

R43
56K

R41
47K

C15

0.01

R3

9

1K

C25
27P

Q1
KTA1266 GR

12

36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19

17
18

16

9

6

15

14

13

12

11

10

8

7

5

4

3

2

1

1
2
3

4
5
6

7

8
9

10

11
12

13
14
15
16

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49505152535455565758596061626364

CD_PUIN

SL_–

SL_+

SP–

SP+

WRQ(DSP)

RWC(DSP)

CD_GND

TP1

HF

FE1

SLOF

SLOF

FSC

FOSTA

TE

F

E

B

A

K

K
E

B

A

F

K
E

B

A

F

4.2V

1.5V

4.8V

CV+
CV–

SLOF

HFL
TES

TOFF

TGL

JP+

JP–

RFSM

RFS–

SLC

RF

REF

OR

REF

REF

REF

REF

SL+

SL–

SLD

SLEO

SPO

SP–

SPG

SPI

SP

AGND

FE–

FEFAFA–

FD–

GEN

GEN

GEN

FD

TO

JP

TD–

TD

TH

REF

JP

REF
TO

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

REF

SCI

TESI

TE

TE–

TB

F

E

FIN1

FIN2

VCC1

LDS

BHI

PHI

LF2

VR

REF1

VCC2

DRF

CE

DAT

CL

CLK

DEF

SLI

DGND

REF

LDO

RF

REF

REF

FE1

VCR

VCR

VCR

VCR

TGL1

THDL

GL

THD

VCC

DEF
HFL

DRF

CE
CL

SLOF

FSTA

LATOH

TOSTA

FOSTA

S.Q.R

FSTA

8/12CM

LASER

2FREQ

JP+

JP–

CV+

CV–

REF

REF

JP

REF

-

+

EFBAL

FSC

SLOF

JPCLO

FSS

TBC

CNS1B

CNS1A

CNS2B

CNS2A

CNP3A

CNS3B

CNS3A

M1

DISC

MOTOR

M2

SLIDE

MOTOR

SW4

PICKUP

IN

CNP3

CNP2

CNP1

+B +B

+B

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

2.4V

2.5V

2.5V

2.5V

2.5V

2.4V

2.5V

2.5V

2.4V

2.4V

0V

2.2V

2.2V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

2.5V

0V

2.5V

2.4V

2.5V

2.5V

2.5V

0V
0V

4.8V
0V
0V

4.8V

4.8V
0V

1.5V

2.4V

2.5V

2.4V

0V

2.5V

0V

2.5V

4.8V

0V

2.2V

1V

1V

2.5V

2.5V

4.8V0V0V4V4V

2.4V

0V

4.2V

4.8V

4.7V
0V

0V

0V

2V

2.5V

2.5V

2V

2V

0V

0V

0V

2V

2.5V

2.5V

0V

2.5V

2.5V

4.7V

0.7V

2.5V

0V

1.8V

2.5V

2.5V

2V

2V

0V

0V

0V

1.8V

2.5V

2.5V

0V

0V

0V

10

5

4

3

2

9

6

7

1

8