Sharp CDBK-2100-V Service manual

CD-BK2100V

SERVICE MANUAL

No. S5045CDBK210V

VIDEO CD MINI SYSTEM

CD-BK2100V

NTSC/PAL

MODEL

CD-BK2100V Video CD Mini System consisting of CD-BK2100V (main unit) and CP-BK2100 (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.

CONTENTS

Page

SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2

VOLTAGE SELECTION..................................................................................................................................................... 2

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

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

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

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

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

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

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

WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 15

BLOCK DIAGRAM ........................................................................................................................................................... 16

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

VOLTAGE ........................................................................................................................................................................ 42

TROUBLE SHOOTING .................................................................................................................................................... 43

FUNCTION TABLE OF IC................................................................................................................................................ 47

FL DISPLAY......................................................................................................................................................................60

REPLACEMENT PARTS LIST/EXPLODED VIEW

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-BK2100V

SAFETY PRECAUTION FOR SERVICE MANUAL

WARNINGS

THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES AGAINST EXPOSURE TO THE LASER BEAM.

1-WHEN THE CABINET IS REMOVED, THE POWER IS TURNED ON WITHOUT A COMPACT DISC IN POSITION AND THE

PICKUP IS ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT LOOK INTO THE PICKUP LENS.

2-THE LASER POWER OUTPUT OF THE PICKUP UNIT AND REPLACEMENT SERVICE PARTS ARE ALL FACTORY

PRESET BEFORE SHIPMENT.

DO NOT ATTEMPT TO READJUST THE LASER PICKUP UNIT DURING REPLACEMENT OR SERVICING. 3-UNDER NO CIRCUMSTANCES STARE INTO THE PICKUP LENS AT ANY TIME. 4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE

SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

CAUTION

This Video CD Mini System is classified as a CLASS 1 LASER product.

The CLASS 1 LASER PRODUCT label is located on the rear cover.

Use of controls, adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. As the laser beam used in this compact disc player is harmful to the eyes, do not attempt to disassemble the cabinet. Refer servicing to qualified personnel only.

Laser Diode Properties Material: GaAIAs Wavelength: 780 nm Emission Duration: continuous Laser Output: max. 0.6 mW

CAUTION-INVISIBLE LASER RADIATION WHEN OPEN. DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.

VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN MED OPTISKA INSTRUMENT.

ADVERSEL-USYNLIG LASERSTRALING VED ABNING. SE IKKE IND I STRALEN-HELLER IKKE MED OPTISKE INSTRUMENTER.

VARO! AVATTAESSA OLET ALTTIINA NAKYMATON LASERSATEILYLLE. ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.

VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT INSTRUMENT.

ADVERSEL-USYNLIG LASERSTRALING NAR DEKSEL APNES. STIRR IKKE INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.

VOLTAGE SELECTION

The voltage selector is located on the rear panel of the unit. If adjustment is necessary, use a screwdriver in order to turn the selector in either direction until the correct voltage figure is displayed in the window.

QACCA0003AW00

QACCB0011AW00

QACCE0010AW00

Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR

QACCJ0007AW00

QPLGA0003AWZZ

– 2 –

QPLGA0004AWZZ

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

SPECIFICATIONS

CD-BK2100V

General

Power source:

Power consumption:

Dimensions:

Weight:

AC 110/127/220/230-240 V, 50/60 Hz

154 W

Width; 270 mm (10-5/8") Height; 330 mm (13") Depth; 355 mm (14")

8.7 kg (19.1 lbs.)

Amplifier section

Output power:

Input terminals:

Output terminals:

MPO; 334 W (167 W + 167 W) (10 % T.H.D.) [Main speaker (woofer, tweeter and super tweeters); 134 W (67 W + 67 W), Subwoofer; 200 W (100 W + 100 W)]

RMS; 200 W (100 W + 100 W) (10 % T.H.D.) [Main speaker (woofer, tweeter and super tweeters); 80 W (40 W + 40 W), Subwoofer; 120 W (60 W + 60 W)]

RMS; 184 W (92 W + 92 W) (0.9 % T.H.D.) [Main speaker (woofer, tweeter and super tweeters); 74 W (37 W + 37 W), Subwoofer; 110 W (55 W + 55 W)]

Video/Auxiliary (audio signal) 2; 500 mV/47 kohms

Microphone 1/2; 1 mV/600 ohms Speakers; 6 ohms Headphones; 16 - 50 ohms (rec-

ommended; 32 ohms) Video out; 1 Vp-p (75 ohms)

Compact disc player section

Video CD section

Video output format:

PAL/PAL 60/NTSC

Tuner section

Frequency range:

FM; 88 - 108 MHz AM; 531 - 1,602 kHz

Cassette deck section

Frequency response:

Signal/noise ratio:

Wow and flutter:

CP-BK2100

Type:

Maximum input power (total):

Rated input power (total):

Impedance: Dimensions:

Weight:

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

50 - 14,000 Hz (Normal tape)

55 dB (TAPE 1, playback) 50 dB (TAPE 2, recording/playback)

0.3 % (WRMS)

5-way type [13 cm (5-1/4") subwoofer, 13 cm (5-1/4") woofer, 5 cm (2") tweeter and super tweeter

2]

200 W

100 W

6 ohms Width; 310 mm (12-3/16")

Height; 330 mm (13") Depth; 270 mm (10-5/8")

5.4 kg (11.9 lbs.)/each

Type:

Signal readout:

D/A converter: Frequency

response: Dynamic range:

3-disc multi-play compact disc player

Non-contact, 3-beam semi-conductor laser pickup

1-bit D/A converter 20 - 20,000 Hz

90 dB (1 kHz)

– 3 –

CD-BK2100V

Front panel

NAMES OF PARTS

3

1

2

45

7 8

9

10 11

12

16

17

18

1.Disc Tray

2.(VCD/CD) Karaoke Mode Button

3.(VCD) Playback Control Button

4.(VCD) On Screen Display On/Off Button

5.(VCD) Digest Button

6.(VCD) Bookmark Button

7.Timer Set Indicator

8.On/Stand-by Button

9.Clock Button

10.Timer/Sleep Button

11.Function Selector Buttons

12.Headphone Socket

13.Dimmer Button

14.Volume Control

15.(VCD/CD) Disc Number Select Buttons

16.Tuning and Time Up/Down Buttons

17.Memory/Set Button

18.(VCD) Skip/Previous Button (CD) Track Down/Review Button (TUNER) Preset Down Button (TAPE 2) Fast Wind Button

19.(VCD) Skip/Next Button (CD) Track Up/Cue Button (TUNER) Preset Up Button (TAPE 2) Fast Wind Button

20.Equalizer Mode Selector Button

21.(VCD/CD) Disc Skip Button

22.(VCD/CD) Open/Close Button

19 20

6

21

13 14

15

22

23

25 27

26

29

31

23.(TAPE 2) Record Pause Button

24.(TAPE 2) Reverse Play Button

25.(VCD) Stop/Return Button (CD/TAPE) Stop Button

26.(TAPE 2) Reverse Mode Button

27.(VCD/CD) Play/Repeat Button (TAP E 1) Pl ay Button (TAPE 2) Forward Play Button

28.Extra Bass/Demo Mode Button

29.Microphone Sockets

30.Microphone Level Controls

31.(TAPE 1) Cassette Compartment

32.(TAPE 2) Cassette Compartment

2824

30

32

– 4 –

Display

1

CD-BK2100V

7654891011

12

2

1.Extra Bass Indicator

2.Spectrum Analyzer/Volume Level Indicator

3.(VCD/CD) Disc Number Indicators

4.Karaoke Mode Indicator

5.(VCD/CD/TUNER) Memory Indicator

6.(VCD/CD) Pause Indicator

7.(TAPE 2) Record Indicator

8.(VCD/CD) Play Indicator

9.(VCD/CD) Music Schedule Indicators

Rear panel

32

13 14 15 16 17 18 19

10.(VCD/CD) More Tracks Indicator

11.Sleep Indicator

12.FM Stereo Mode Indicator

13.(TAPE) Reverse Mode Indicator

14.(TAPE 2) Reverse Play Indicator

15.(TAPE 1) Play Indicator (TAPE 2) Forward Play Indicator

16.(VCD/CD) Repeat Indicator

17.FM Stereo Indicator

18.Timer Record Indicator

19.Timer Play Indicator

CP-BK2100

3 4

5

6

1

7

8

2

1.AC Voltage Selector

2.AC Power Lead

3.FM 75 Ohms Aerial Terminal

4.FM Aerial Earth Terminal

5.AM Loop Aerial Input Socket

6.Speaker Terminals

7.Span Selector Switch

8.Video Output Socket

9.Video/Auxiliary (Audio Signal) Input Sockets

9

1

4

2 3

1.Super Tweeters

2.Tweeter

3.Bass Reflex Duct

4.Woofer

5.Subwoofer

6.Main Speaker (Woofer, Tweeter and Super Tweeters) Wire

7.Subwoo fer W ir e

5

6 7

– 5 –

CD-BK2100V

Remote control

1.Remote Control Transmitter LED

2.Echo Level Up/Down Buttons

3.Karaoke Mode Button

4.Vocal Replacer Button

5.(VCD) VCD Auto/On Button

6.(VCD) Playback Control Auto/Off Button

7.(VCD) On Screen Display On/Off Button

8.On/Stand-by Button

9.(VCD) Direct Search Button

10.(VCD) Digest/Time Search Button

11.(VCD/CD) Clear Button

12.(VCD/CD) Memory Button

13.(VCD/CD) Disc Skip Button

14.(VCD) Skip/Previous Button (CD) Track Down/Review Button (TUNER) Preset Down Button (TAPE 2) Fast Wind Button

15.(VCD) Bookmark Button

16.(TAPE 2) Reverse Play Button

17.(VCD) PAL/NTSC Select Button

18.(TAPE 2) Record Pause Button

19.Function Selector Buttons

20.(VCD/CD) Random Button

21.(VCD/CD) Pause Button

22.(VCD) Skip/Next Button (CD) Track Up/Cue Button (TUNER) Preset Up Button (TAPE 2) Fast Forward Button

23.(VCD) Play/Repeat/Select/Resume Button (CD) Play/Repeat Button (TAPE 1) Play Button (TAPE 2) Fast Wind Button

24.(VCD) Stop/Return Button (CD/TAPE) Stop Button

25.Extra Bass Button

26.Equalizer Mode Selector Button

27.Volume Up/Down Buttons

14 15 16

17 18

19

2 3

4 5 6 7

10

11

1

12

8

9

13

20

21 22

23 24

25 26

27

OPERATION MANUAL

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

15

Notes concerning use:

Replace the batteries if the operating distance is reduced or if the operation becomes erratic. Periodically clean the transmitter LED on the remote control and the sensor on the main unit with a soft cloth. Exposing the sensor on the main unit to strong light may interfere with operation. Change the lighting or the direction of the unit. Keep the remote control away from moisture, excessive heat, shock, and vibrations.

15

– 6 –

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 ON/STAND-BY button to enter the standby mode.

2

Whilst pressing down the button and the X-BASS/ DEMO button, hold down the ON/STAND-BY button for at least 1 second.

"CLEAR AL" will appear.

2

1

Caution:

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

CD-BK2100V

(Continued)

Connecting the AC power lead

Check the setting of the AC voltage selector located on the

rear panel before plugging the unit into an A C socket. If nec-

essary, adjust the selector to correspond to the AC power

voltage used in your area.

Selector adjustment:

Turn the selector with a screwdriver until the appropriate

voltage number appears in the window (110V, 127V, 220V

or 230V - 240V AC).

Notes:

Plug the AC power lead into an AC socket, after any con-

nections.

Unplug the AC power lead from the AC socket if the unit

will not be in use for a prolonged period of time.

AC Plug Adaptor

In areas (or countries) where an AC socket as shown in

illustration is used, connect the unit using the AC plug

adaptor supplied with the unit, as illustrated. The AC plug

adaptor is not included in areas where the AC wall socket

and AC power plug can be directly connected (see illustra-

tion ).

AM/FM interval (span)

The International Telecommunication Union (ITU) has

established that member countries should maintain either a

10 kHz or a 9 kHz interval between broadcasting frequen-

cies of any AM station. The illustration shows the 9 kHz

interval zones (regions 1 and 3), and the 10 kHz interval

zone (region 2).

Before using the unit, set the SPAN SELECTOR switch (on

the rear panel) to AM tuning interval (span) of your area.

To change the tuning zone:

1

Press the ON/STAND-BY button to enter the stand-

by mode.2Set the SPAN SELECTOR switch to "50/9" for 9 kHz

AM interval (50 kHz FM interval), and "100/10" for 10

kHz AM interval (100 kHz FM interval).

3

Whilst pressing down the button and the X-BASS/

DEMO button, hold down the ON/STAND-BY button

for at least 1 second.

"CLEAR AL" will appear.

Caution:

The operation explained above will erase all data stored

in memory including clock and timer settings, and tuner

and CD presets.

To an AC socket

1

2

SETTING THE CLOCK

In this example, the clock is set for the 24-hour (0:00) sys-

tem.

1

Press the ON/STAND-BY button to enter the stand-

by mode.2Press the CLOCK button.

3

Within 5 seconds, press the MEMORY/SET button.

4

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

time display mode.

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

installed or it has been reset.

5

Press the MEMORY/SET button.

6

Press the TUNING/TIME ( or ) button to adjust

the hour.

Press the TUNING/TIME ( or ) button once to

advance the time by 1 hour. Hold it down to adv ance con-

tinuously.

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

automatically 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" second. (Seconds are

not displayed.) And then the clock display will disappear

after a few seconds.

To see the time display:

Press the CLOCK button.

The time display will appear for about 5 seconds.

Note:

The clock display will flash on and off at the push of the

CLOCK button when the AC power supply is restored

after a power failure occurs or after the AC power lead is

disconnected. If this happens, follow the procedure below

to change the clock time.

To change the clock time:

1 Press the CLOCK button.

2 Within 5 seconds, press the MEMORY/SET button.

3 Perform steps 6 - 9 above.

To change the time display mode:

1 Perform steps 1 - 2 in "RESETTING THE MICROCOM-

PUTER".

2 Perform steps 1 - 9 above.

(Main unit operation)

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

23:59)

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

- PM 11:59)

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

12:00 - PM 11:59)

ON/

STAND-BY

CLOCK

MEMORY/SET

TUNING/

TIME

( )

AM 12:00AM 0:000:00

– 7 –

CD-BK2100V

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

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

CD-BK2100V

STEP REMOVAL

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

2 Side Panel 1. Screw ..................... (B1) x8 8-1

(Left/right)

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

CD Tray Cover open the disc tray, take out

4 Rear Panel 1. Screw ..................... (D1) x10 8-2

5 Main PWB 1. Screw ..................... (E1) x3 8-2

6

Power Supply PWB

7 Karaoke PWB 1. Screw ..................... (G1) x2 9-3

8 Front Panel 1. Screw ..................... (H1) x2 9-2

9 Display PWB 1. Screw .....................

10 Tape Mechanism 1. Open the cassette holder. 9-4

11

Headphones PWB

12 Turntable 1. Hook....................... (M1) x2 9-5

13 Disc Tray 1.

14 CD Video PWB 1. Screw ..................... (P1) x1 10-1

(Note 2) 2. Hook....................... (P2) x2

15 CD Mechanism 1. Hook....................... (Q1) x2 10-2

16

Loading Motor PWB

the CD cover, and close. (Note 1)

2. Screw ..................... (C1) x1

3. Hook....................... (C2) x3

4. Hook....................... (C3) x2

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

2. Socket .................... (E2) x4 9-2

3. Flat Cable............... (E3) x1

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

1. Screw ..................... (F1) x2 9-2

2. Socket .................... (F2) x4

3. Flat Wire................. (F3) x1 9-3

2. Socket .................... (J2) x1

2. Screw...................... (K1) x5

1. Screw ..................... (L1) x1 9-4

2. Cover ..................... (M2) x1

2.

3.

3. Socket .................... (P3) x4

2. Hook....................... (Q2) x3

1. Hook....................... (R1) x5 10-2

Note 1:

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

1. In this state, turn fully the lock lever in the arrow direction through the hole on the loading chassis bottom.

2.

While holding the lock lever, rotate the cam gear anticlockwise

until the cam gear rib engages with the clamp lever.

3. After that, push forward the CD slide holder.

PROCEDURE

(J1) x13

Turn fully the lock lever in the

arrow direction. While holding the lock lever,rotate the cam gear until the cam gear rib engages with the clamp lever.

Push the slide holder backward to

engage the claw with the groove and remove it in the direction

of the arrow. ..............

(N1) x6

FIGURE

9-4

8-3 9-1

9-6

(Fig. 9-1)

CD-BK2100V

(A1)x2 ø3x12mm

Side Panel (Right)

(B1)x2 ø3x10mm

(B1)x4 ø3x10mm

Rear Panel

Top Cabinet

(A1)x2 ø3x12mm

Side Panel (Left)

(B1)x2 ø3x10mm

Figure 8-1

Video CD PWB

(C3) x1

Pull

Rear Panel

(C1)x1 ø3x10mm

(D1)x8 ø3x10mm

(C4)x3

Main PWB

1

(D1)x2 ø3x10mm

CD Tray Cover

(C2) x3

1

2

CD Player Unit

(C3)x1

(E1)x1 ø3x6mm

(E1)x2 ø3x10mm

Figure 8-2

Lock Lever

Note 2:

Figure 8-3

1. After removing the connector for the optical pickup from the connector, wrap the conductive aluminium foil around the front end of the connector remove to protect the optical pickup from electrostatic damage.

Note 3:

1. Be careful not to break the claw of the CD mechanism.

2. When fining back the cam gear assembly, let it lock by front movement.

– 8 –

Clamp Lever

(J1)x13 ø3x10mm

(J2)x1

(K1)x5 ø3x10mm

(L1)x1 ø3x10mm

(F3)x1

Display PWB

Headphones PWB

Open

Cassette Holder

Tape Mechanism

Cam Gear Rib

CD-BK2100V

Power Supply PWB

(F2)x1

(F2)x3

(E4)x1

(E2)x1

(E3)x1

(F1)x1 ø3x6mm

(E2)x2

Figure 9-1

(H1)x2 ø3x10mm

(F1)x1 ø3x10mm

Power Supply PWB

Figure 9-4

(M2) x1

Turntable

Main PWB

Disc Tray

(M1) x2

(E2)x1

(G1)x2 ø3x10mm

Karaoke PWB

Figure 9-2

Tape Mechanism

Figure 9-3

CD Player Unit

Figure 9-5

Display PWB

(N1) x3

3

2

1

(N1) x3

Figure 9-6

– 9 –

CD-BK2100V

Driver should be pried away from Speaker Box.

Screwdriver

Front Panel

(P1)x1 ø3x8mm

(P2) x2

(P3) x2

CD Video

PWB

(P3) x2

CD Player

Base

Figure 10-1

CP-BK2100

STEP REMOVAL

1 Front Panel 1. Front Panel ............ 10-3

2 Woofer 1. Screw ..................... (B1) x4 10-5

3 Sub Woofer 1. Screw ..................... (C1) x4 10-5

4 Tweeter 1. Screw ..................... (D1) x2 10-5

5 Super Tweeter 1. Screw ..................... (E1) x4 10-4

PROCEDURE

2. Tip .......................... (A1) x4 10-4

2. Sub Woofer Ring ... (C2) x1

FIGURE

CD Mechanism

(Q1) x1

(Q2) x3

(Q1) x1

Figure 10-2

Loading Motor PWB

(R1) x5

Super Tweeter

(E1)x4 ø3x10mm

(A1)x4

Front Panel

Figure 10-4

(C1)x4 ø4x20mm

– 10 –

(B1)x4 ø4x16mm

(C2)x1

Woofer

(D1)x2 ø3x10mm

Figure 10-3

Sub Woofer

Tweeter

Figure 10-5

REMOVING AND REINSTALLING THE MAIN PARTS

TAPE MECHANISM SECTION

Perform steps 1 to 8 and 10 of the disassembly method to remove the tape mechanism.

How to remove the record/playback and erase heads (TAPE 2) (See Fig. 11-1)

1. When you remove the screw (A1) x 2 pcs., the recording/ playback head and three-dimensional head of the erasing head can be removed.

How to remove the playback head (TAPE 1) (See Fig. 11-2)

1. When you remove the screw (B1) x 2 pcs., the playback head.

How to remove the pinch roller (Tape 1/2) (See Fig. 11-3)

1. Carefully bend the pinch roller pawl in the direction of the arrow <A>, and remove the pinch roller (C1) x 1 pc., in the direction of the arrow <B>.

Note:

When installing the pinch roller, pay attention to the spring mounting position.

Erase Head

(A1)x2 Ø2x6mm

Figure 11-1

TAPE 2

CD-BK2100V

Record/Playback Head

TAPE 1

Playback Head

How to remove the belt (TAPE 2) (See Fig. 11-4)

1. Remove the main belt (D1) x 1 pc., from the motor side.

2. Remove the FF/REW belt (D2) x 1 pc.

How to remove the belt (TAPE 1) (See Fig. 11-4)

1. Remove the main belt (E1) x 1 pc., from the motor side.

2. Remove the FF/REW belt (E2) x 1 pc.

How to remove the motor (See Fig. 11-5)

1. Remove the screws (F1) x 2 pcs., to remove the motor.

Motor

TAPE 2

(B1)x1 Ø2x9mm

Pinch Roller (C1)x1

FF/REW Belt (D2)x1

(B1)x1 Ø2x5mm

Figure 11-2

Pull

<B>

Figure 11-3

Motor

Pull

Pinch Roller Pawl

<A>

TAPE 2 Main Belt (D1)x1

Motor

TAPE 1 Main Belt (E1)x1

(F1) x2

Ø2.6x5mm

Main Belt

– 11 –

(D1)x1

(E1)x1

Figure 11-4Figure 11-5

TAPE 1

FF/REW Belt (E2)x1

CD-BK2100V CD MECHANISM SECTION

Perform steps 1, 2, 3, 12, 13, 14 and 15 of the disassembly method to remove the CD mechanism.

How to remove the T/T Up/Down motor (See Fig. 12-1)

1. Bend the hooks (A1) x 5 pcs., to remove the T/T Up/Down motor.

2. Remove the drive belt (A2) x 1 pc.

How to remove the pickup (See Fig. 12-2)

1. Remove the stop washer (B1) x 1 pc., to remove the gear (B2) x 1 pc.

2. Remove the screws (B3) x 2 pcs., to remove the shaft (B4)x 1 pc.

3. Remove the pickup.

Note

After removing the connector for the optical pickup from the connector, wrap the conductive aluminium foil around the front end of connector remove to protect the optical pickup from electrostatic damage.

Disc Tray

(B3) x2 ø2.6 x6mm

T/T Up/Down Motor

(A1)x2

Figure 12-1

Stop Washer (B1) x1

(A1)x3

Pulley

Drive Belt (A2) x1

Motor

ADJUSTMENT

MECHANISM SECTION

• Driving Force Check

Torque Meter

Play: TW-2111 Tape 1: Over 80 g

• Torque Check

Torque Meter

Tape 1

Play: TW-2111 30 to 80 g. cm 30 to 80 g.cm Fast forward: TW-2231 — 70 to 180 g.cm Rewind: TW-2231 — 70 to 180 g.cm

Specified Value

Tape 2: Over 80 g

Specified Value

Tape 2

Pickup

Shaft (B4) x1

Gear

CD Mechanism

(B2) x1

Figure 12-2

• Tape Speed

Test Tape

Normal MTT-111 Variable 3,000 ±30 Hz Speaker speed Resistor in terminal

Adjusting

Point

motor. (Load (MM1) resistance:

TAPE MECHANISM

Variable

Resistor in motor

Specified

Value

Motor

Instrument

Connection

6 ohms)

– 12 –

Figure 12-3

CD-BK2100V

TUNER SECTION

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

• AM IF/RF

Signal generator: 400 Hz, 30%, AM modulated

Test Stage Frequency

Frequency

Display

AM IF 450 kHz 1,602 kHz T351 *1 AM Band — 531 kHz (fL): T306 *2

Coverage 1.1 ± 0.1 V AM Tracking 990 kHz 990 kHz (fL): T303 *1

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

Setting/

Adjusting

Parts

MAIN PWB

1

FM BAND COVERAGE fL

Instrument

Connection

FM ANTENNA

20

IC302

• FM RF

Signal generator: 1 kHz, 40 kHz dev., FM modulated

Test Stage

Frequency

FM Band — 87.50 MHz T301(fL); Coverage

FM RF 98.00 MHz 98.00 MHz L312 *2

(10-30 dB)

Frequency

Display

1.3 V ± 50 mV

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

CNP302

T302

FM IF

AM LOOP

ANTENNA

L312

1

AM TRACKING fL

AM BAND COVERAGE fL

T303

T306

SO302

TP301

T301

Setting/

Adjusting

Point

Instrument

Connection

*

1

Figure 13-1 ADJUSTMENT POINTS

CD SECTION

Adjustment

Since this CD system incorporates the following automatic adjustment functions, readjustment is not needed when replacing the pickup. Therefore, different PWBs and pickups can be combined freely. Each time a disc is changed, these adjustments are performed automatically. Therefore, playback of each disc can be performed under optimum conditions.

Items adjusted automatically

(1) Offset adjustment (The offset voltage between the head

amplifier output and the VREF reference voltage is compensated inside the IC.)

* Focus offset adjustment * Tracking offset adjustment

(2) Tracking balance adjustment (waveform drawing Fig.

13-2 EFBL)

(3) Gain adjustment (The gain is compensated inside the IC

so that the loop gain at the gain crossover frequency will be 0 dB.)

* Focus gain adjustment * Tracking gain adjustment

T351

AM IF

IC303

Stopped

CH1=500mV

T

FDO

1

TE

3

EFBL

2

Smoothing : ON CH1 : 0.000V BW : FULL

R357

DC 10:1

TP302

T

CH2=200mV

DC 10:1

CH2 : 0.000V CH3 : 0.00V CH4 : 0.00V

CH3=1V

DC 10:1

=Record Length=

Main : 100K Zoom : 2k

Figure 13-2

CD ERROR CODE DESCRIPTION

Error State Code

0001 Cannot detect Pickup-in SW 0002 DSP access error

0101 Open/Close SW not functioning (Low → High) 0103 Open/Close SW not functioning (High → Low)

0201 Open/Close SW not functioning (Low → High) 0203 Open/Close SW not functioning (High → Low)

0302 Pickup-in SW is not detected 0306 During Disc 1 search, Open/Close SW or Clamp SW

0307 Clamp SW not function (Low → High) 0308 Clamp SW not function (High → Low)

– 13 –

[Servo System Error]

[Error during close operation]

[Error during open operation]

[Error during skip operation]

or Disc SW do not change to low.

1999/04/05 20:26:47

500ms/div (500ms/div) NORM:20kS/s

CH2 v/DIV 200mV

=Trigger==Filter= =Offset= Mode : SINGLE Type : EDGE CH1 Delay : 0.0ns Hold off : 0.2µs

CD-BK2100V

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.

• 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.

REF. NO DESCRIPTION POSITION POSITION

SW1 OPEN/CLOSE ON—OFF SW2 CLAMP ON—OFF SW3 DISC NUMBER ON—OFF SW4 PICKUP IN ON—OFF SW601 SPAN SELECTOR 9kHz/50kHz SW701 ON/STAND-BY ON—OFF SW702 CLOCK ON—OFF SW703 TIMER ON—OFF SW704 AUDIO MODE ON—OFF SW705 PBC ON—OFF SW706 OSD ON—OFF SW707 DIGEST ON—OFF SW708 BOOK MARK ON—OFF SW709 DISC 1 ON—OFF SW710 DISC 2 ON—OFF SW711 DISC 3 ON—OFF SW712 DISC SKIP ON—OFF SW713 OPEN/CLOSE ON—OFF

REF. NO DESCRIPTION

SW714 DIMMER ON—OFF SW715 X-BASS/MEMO ON—OFF SW716 EQUALIZER ON—OFF SW722 CD ON—OFF SW723 TAPE ON—OFF SW724 TUNING DOWN ON—OFF SW725 MEMORY/SET ON—OFF SW726 PRESET DOWN ON—OFF SW727 PRESET UP ON—OFF SW728 PLAY ON—OFF SW729 STOP ON—OFF SW730 REV PLAY ON—OFF SW731 REC/PAUSE ON—OFF SW732 TUNING/TIME UP ON—OFF SW733 VIDEO/AUX ON—OFF SW734 TUNER (BAND) ON—OFF SW735 REV MODE ON—OFF SW801 VOLTAGE SELECTOR 230-240V

FRONT

E C B

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

KTA1266 GR KRC102 M KRC102 S KRC104 M KRC104 S KTA1271 Y KTA1274 Y

VIEW

2SC1845 F KTA1273 Y KTC3203 Y KTC3199 GR KTC3194 Y 2SA1015 GR

3

FRONT

VIEW

BCE

KTC2026

Figure 14 TYPES OF TRANSISTOR AND LED

TOP

VIEW

2

KTA1298 Y KTA1504 GR KTC3265 Y

1

– 14 –

4204SRT7

FRONT VIEW

KDV147B SVC348S

CD-BK2100V

5

4

3

1

2

1

3

4

IC2 24

IC2 23

IC2 24

IC2 72

IC1 18 , IC2 16

IC1 27

IC1 18 , IC2 16

IC2 72

IC2 24

Stopped

CH1=500mV

DC 10:1

T

FDO

1

TDO

3

Smoothing : ON CH1 : 0.000V BW : FULL

1

T 2

3

Smoothing : ON CH1 : 0.000V BW : FULL

2

T

1

Smoothing : ON CH1 : 0.0V BW : FULL

T

2

CH2 : 0.0V CH3 : 0.000V CH4 : 0.00V

Stopped

CH1=500mV

DC 10:1

FDO

DRF

TE

-3div -1div 0div +1div +3div

Stopped

CH Position To

CH2 : 0.0V CH3 : 0.00V CH4 : 0.00V

CH1=10V

DC 10:1

TE

DRF

=Filter= =Offset=

CH2 : 0.00V CH3 : 0.00V CH4 : 0.00V

CH1=200mV

DC 10:1

FDO

CH2=10V

DC 10:1

T

CH2=1V

DC 10:1

T

CH2=500mV

DC 10:1

CH3=500mV

DC 10:1

=Record Length=

Main : 100K Zoom : 2K

CH3=1V

DC 10:1

=Record Length=

Main : 100K Zoom : 2K

=Record Length=

Main : 100K Zoom : 2K

WAVEFORMS OF CD CIRCUIT

500ms/div

(500ms/div)

NORM:20kS/s

IC2 1

7

IC2 2

8

IC2 24

10

11

12

9

1

4

13

1

IC2 37

IC2 57

IC2 58

IC2 59

IC2 24

IC1 18 , IC2 16

IC1 13 , IC2 22

CH1 v/DIV 500mV

=Trigger==Filter= =Offset= Mode : AUTO Type : EDGE CH1 Delay : 0.0ns Hold off : 0.2µs

500ms/div

(500ms/div)

NORM:20kS/s

CH2 Position

0.20div

=Trigger==Filter= =Offset= Mode : AUTO Type : EDGE CH1 Delay : 0.0ns Hold off : 0.2µs

Vp-p=1.0V~1.3V

0.5mV/div,0.5µsec/div

100ms/div

(100ms/div)

NORM:100kS/s

=Trigger= Mode : NORMAL Type : EDGE CH1 Delay : 2.924ms Hold off : 0.2µs

1999/04/07 09:51:15

500ms/div

(500ms/div)

NORM:20kS/s

Stopped

PDO1

3

4

PDO2

T

FDO

1

Smoothing : ON CH1 : 0.000V BW : FULL

Stopped

T

1

DOUT

=Filter= =Offset= Smoothing : ON CH1 : 0.00V BW : FULL

Stopped

1

LRSY

2

DATACK

T

3

DATA

Smoothing : ON CH1 : 0.00V BW : FULL

Stopped

T

FDO

1

TE

3

EFBL

2

Smoothing : ON CH1 : 0.000V BW : FULL

CH1=500mV

DC 10:1

CH1=2V

DC 10:1

CH1=2V

DC 10:1

CH1=500mV

DC 10:1

CH2 : 0.0V CH3 : 0.00V CH4 : 0.00V

T

CH2 : 0.00V CH3 : 0.00V CH4 : 0.00V

T

CH2=2V

DC 10:1

CH2 : 0.00V CH3 : 0.00V CH4 : 0.00V

T

CH2=200mV

DC 10:1

CH2 : 0.000V CH3 : 0.00V CH4 : 0.00V

CH3=1V

DC 10:1

=Record Length=

Main : 100K Zoom : 2K

=Record Length=

Main : 1K Zoom : 100

CH3=2V

DC 10:1

=Record Length=

Main : 5K Zoom : 100

CH3=1V

DC 10:1

=Record Length=

Main : 100K Zoom : 2k

1999/04/05 17:33:17

CH4=1V

(500ms/div)

DC 10:1

NORM:20kS/s

=Trigger==Filter= =Offset= Mode : AUTO Type : EDGE CH2 Delay : 0.0ns Hold off : 0.2µs

1999/04/07 09:25:28

500ns/div

(500ns/div)

NORM:200MS/s

=Trigger= Mode : NORMAL Type : EDGE CH1 Delay : 2.887ms Hold off : 0.2µs

1999/04/05 20:50:17

NORM:100kS/s

=Trigger==Filter= =Offset= Mode : AUTO Type : EDGE CH3 Delay : 0.0ns Hold off : 0.2µs

1999/04/05 20:26:47

NORM:20kS/s

=Trigger==Filter= =Offset= Mode : SINGLE Type : EDGE CH1 Delay : 0.0ns Hold off : 0.2µs

500ms/div

5us/div

(5us/div)

500ms/div

(500ms/div)

CH1 v/DIV 500mV

CH3 v/DIV 2 V

CH2 v/DIV 200mV

SPDO

IC2 25

6

1

=Filter= =Offset= Smoothing : ON CH1 : 0.000V BW : FULL

CH2 : 0.000V CH3 : 0.00V CH4 : 0.00V

=Record Length=

Main : 100K Zoom : 2K

=Trigger= Mode : NORMAL Type : EDGE CH2 Delay : 2.924ms Hold off : 0.2µs

– 15 –

CD-BK2100V

2127 3545

SDM4260C

DRAM

20

6

VDD

1

ICV3

DQ15 DQ12

DQ11

~~

DQ8

A8

A4 A3

~

A0

RAS

WE

DQ7 DQ4

DQ3

~~

DQ0

39 36

34

~~

31 26

~

22 19

~

16 14 13 10

~

7 5

~

2

73 70

68 65

62 58

56 54

53 52 49 48

45 42

38

MD8

~

MD11 MD12

MD15 MD0

MD4 MD5

~~~

MD7 MCAS

MWE MRAS MA0

MA3 MA4

~

MA8

~ ~

~~

86

XV2

27MHz

14

13

10

~

X1

X2

HD0

HD3

ICV2

D61012GC

MPEG DECODER

AUDO

AUBCK

AULRCK

VOUT1

CDC2PO

35 32 33 95 97 98 99

~~

257

18

HD7

HD4

92 84 83 76 75 63 51 44 36 25

VDD,CKSEL,HSELX,

HSELA,AVDD

23 17

~~

15

CDLRCK

CDBCK

CDI

1

+B3

10

24 35

57

HD0

~

64

HD7

ICV1

MPEG CONTROLLER

IX0352AW

PWR_MPEG

15

XV1

4.19MHz

40

X2

41

X1

50

~

45 42 33

~

25 17 16 14

9

~

7

MBUSY

MCK

MDO

MDI

22201918

M3 T/T

UP/DOWN

MOTOR

SW3

M

DISC

NUMBER

SW2

CLAMP

SW1 OPEN/ CLOSE

GND

CLAMP SW

CD RES

CLK

DI DO CE

TO DISPLAY SECTION

DRF

WRQ

CDINT

+5V(+B5)

DGND

L-CH

AGND

(TO IC401)

TO MAIN SECTION

R-CH

JK671

VIDO OUT

BI4

-

6

+

5

3 2 1

CNP12

10

9 8 7

6 5 4 3 2 1

CNP11

5 4 3 2 1

QV3

35 29 22 21 14 8

39 38

42 41

25 17

2 1

IC3

M63001FP FOCUS/TRACKING/ SPIN/SLED DRIVER

VCC4

VCC1

40

18

+5V

22

FE-

21 20

FE

TE-

19

TE

18

LA9235M

17

HFL

SERVO AMP.

30 23 11 9

Q1

CONSTANT

+3.3V

VOLTAGE

VCC2

24 23 28

LASER

DRIVER

IC1

VCC3

27 26 16 15

7 6 5 4

+3.3V

Q3

LDD

TIN2 TIN1

FIN2 FIN1

SW4

PICKUP IN

M

MOTOR

FOCUS COIL

M2

SLED

M1

SPINDLE

MOTOR

TRACKING COIL

8 7

PD

4

3 2 1

+5V

PICKUP UNIT

HFL

VDD

51

23

TD0

TE FE

XIN

19

16 15 14

7

3 50 49

44 36 18

5

73

VDD5V

QV2

+B5

+3.3V

+5V

6

2

6 5 4 3 2 1

ICV4

NJM2267M

VIDEO

OPERATION

AMP.

7

+B3

1

~

3359

40 30

CONT2 CONT3

31 32

CONT4

Q2

RCHO

48 47

RVSS

46

LVSS

45

LCHO

53 76

CONT7

75

CONT6

65 66

5735545556

RFEV

LC78636E

SERVO/SIGNAL

CONTROL

CECLDIDOINT

67

68

69

IC2

WRQ

70 71 72

CONT5

RES

SLD0

SPD0

DEF

XOUT

52

XL1

16.9344MHz

242526

FD0

RFEV

XVDD

RVDD

LVDD

ADAVDD

VVDD

CNPV3

CNS4

CNP4

6 5

4

4 3 2 1

Figure 16 BLOCK DIAGRAM (1/4)

– 16 –

TO MAIN SECTION

(TO IC601)

CD-BK2100V

ICK2

M65847AFP1

KEY CONTROL

MIXOUT

15

LPF1N

STROBE

8922

SCK

SDATA

7

14

+B4

OUT(L)

IN(L)

1 2 3 4 5 6 7 8 9 10 11

QK3

GND(A)

+10V(+B4)

QK2

OUT(R)

IN(R)

GND(D)

DATA

CLOCK

LATCH

MIC IN

CNSK1

BIK1

QK1

ICK1

MIC AMP.

M65856SP

42 41

DATA

40 40

CLDCK

LATCH

4

36

SOURCE OUT

MIC1IN

7 8

VRK2

MIC2

VOLUME

35

LOUT

ROUT

MICLOUT

MIC1VOLIN

MIC2IN

9 12

32

31 15

LIN

RIN

MIC2OUT

KEYCON IN

MIC2VOLIN

13

VRK1

MIC1

VOLUME

23

22

VCC

GND

PINK1

CHASSIS GND

JK2

MIC2

Figure 17 BLOCK DIAGRAM (2/4)

– 17 –

JK1

MIC1

CD-BK2100V

P E

2 3

4

R

L

FM

ANTENNA

SO302

AM LOOP ANTENNA

1

2

BF301

B.P.F

AM

TRACKING

T303 T306

TA7358AP

1

FM FRONT END

4

2

3

L312 T301

FM RF

IC301

5

7

FM

AM BAND

COVERAGE

6 9

8

OSC

FM OSC

OSC BUFF

Q302

FM IF

T302

FM OSC

CF303

CF352

T351

AM IF

1

2

AM MIX

FM IF DET./FM MPX./AM IF

24

23

AM OSC OUT

AM OSC IN

IC303

LA1832S

21

AM RF IN

4

7

STEREO

5

GNDAM IF

FM/AM

OUT

+5V

+B4

CF351

X351 456kHz

9

8

17

13

FM

VCC

18

DET

MO/ST

VCO

L

14

R

15

FM/AM MPXIN

16

12

5

+B4

~

8

1 1

1

MOTOR

SOLM1,SOLM2

SOLENOID

SWM2

T2 PLAY

T1 PLAY

SWM4

R. PLAY

F. PLAY

TAPE 1

PB HEAD

TAPE 2

REC PB HEAD

MM1

TAPE

M

SWM1

SWM3

FROM CD SECTION

CNP11

L-CH R-CH

P.B

L-CH R-CH

AC BIAS

ERASE

HEAD

REC

MOTOR DRIVER

Q708 +3B

Q704 Q705

IC701 54PIN

IC701 53PIN

IC701 56PIN

IC701 55PIN

SWITCHING

Q103Q106

+3B

FROM KARAOKE

CNS601

1 2 3

POP REDUCE

Q107 Q108

SWITCHING

Q128 L104

BIAS OSC

SECTION

CNSK1

IC101

AN7345K

PLAYBACK AND RECORD

/PLAYBACK AMP.

L(T1)

1

R(T1)

24

L(T2)

2

R(T2)

23

L NF

3

R NF

4

T1/T2

6

L REC

9

REC

R REC

16

REF

14

12

NOR/ HIGH

15

SWITCHING

Q111

Q109

SWITCHING

CNP601

1 2

3

VCC

P.B

H/N

T1/T2

19

Q110

+B4

FM +B

13

L

4

21

R

5

20

L

7

18

R

L NF

8

R NF

17

ALC

10

Q124

SWITCHING

VT

Q360

SWITCHING

+B4

P.B

REC

Q126

BIAS

X352

4.5MHZ

20

1

FM

VIDEO IN

OSC

JK601

L R

AM IN

22

15

IC302

LC72131

PLL(TUNER)

7

AUX

TAPE

TUNER

CD

FM IN

16

FM/AM

CE

3

11

MO/ST

9

10

7

L

9

L R

16

L

10

R

15

L

11

AUDIO PROCESSOR

R

14

L

12

R

13

7

18

L

R

8

CL

DI

5

4

21

IC601

LC75341

R

17

DO

6

VDD

17

SYSTEM

Q605 Q606

1

7

MUTE

REC

T1/T2

BIAS

+B4

23

-20dB ATT

R

21

Q603 Q604

L

4

3

18

+B4

Q121 Q122

MUTING

-B2

8

IC561 IC562 IC563

4

OPE

AMP.

KIA4558P

IN

Figure 18 BLOCK DIAGRAM (3/4)

– 18 –

CD-BK2100V

+B4

Q605 Q606

1

7

+B4

SYSTEM

MUTE

REC

T1/T2

+B6

18

5

~

DI

8

CL

12

LCK

13

14

IC702

BU2092F

INPUT/OUTPUT

EXPANDER

L

5 6

2

R

3

-B2

10Hz

IX0335AW

SYSTEM

MICROCOMPUTER

63Hz

SW601

SPAN

SELECTOR

1 2 3 4

+B4

8

IC903

KIA4558P

OPE AMP.

4

27

IC701

28

FL701

DISPLAY

20

2

Q701-Q703 Q710-Q712

79 80

85

86

91

92

~~~

100

SP. DET.

Q901 Q902 Q903 Q904

IC901

R

L

7

1

R

-VF

1

L

15

STK402-071 POWER AMP.

-Vcc

+Vcc

9

8

+B1

-B1

+B3

+B4

VF2

+B5

13

M10V

A10V

+B6

CD+B

7

10

VF1

14

3

27

VLOAD

VDD

12

+B7

R-OUT L-OUT

CONSTANT

KIA7810AP

VOLTAGE

REGULATOR

+5V

KIA7805P VOLTAGE

REGULATOR

151

6

~~~

3

5

7

RESET

Q905 Q906 Q907 Q908

R

1

STK402-040

POWER AMP.

15

L

+Vcc

8

+B2

VOLTAGE

Q823

IC802

IC801

IC902

53 56

29

52 5150494847

IC701

IX0335AW

SYSTEM

MICROCOMPUTER

RESET

9

12

10

11

XL701

4.1943MHz

Q709

13

-Vcc

9

D802

D803

D804-D807

Q801

10

-B2

13

7

57

15

3

R-OUT L-OUT

T5A L 250V

58

+B7

46

VDD

16

17

+B7

IC703

KIA7042AP

RESET

2

F802

T5A L 250V

F800

T4A L 250V

F801

T4A L 250V

F803

F805

T2A L 250V

44

42

45

43

SYS. STOP

CEDICL

24

20

21

~~

1

+B7

POWER TRANSFORMER

41 40

23

Q909

AVDD

T801

JOG701

JOG

RX701 REMOTE SENSOR

39 38

37

36

35

34 33

~

31

25

DO

24

1

3

+B7

2

+B7

KEY SW701-SW716 SW722-SW735

+B3

JK670

HEADPHONES

TO CD SECTION

+B5

DRIVER

M

Q910

M901

FAN MOTOR

RL901

RL902

230–240V

220V

127V

110V

T.F

SPEAKER

TERMINAL

D801

MAIN SUB

WOOFER

SO901

SW801

VOLTAGE

SELECTOR

RL801

AC POWER

SUPPLY CORD

AC 110/127/220/

230–240V

50/60Hz

BIAS

+B7

UNSWITCH 5V

Q821

CONSTANT

VOLTAGE

REGULATOR

Figure 19 BLOCK DIAGRAM (4/4)

– 19 –

Q802

D812-D815

T802

POWER

TRANSFORMER

CD-BK2100V

+

z

A

DV5

KDS193

QV2

KTA1298 Y

RV2

RV15

1K

CV1

47/6.3

KDS193

RV93 10K

RV94 10K

DV4

CV2

0.22

2

RV86

4.7K

RV1

B

3.3V +5V

C2PO LRCK BCLK DATAD MBUSY AV_GND D_GND

MDI MDO MCLK

+B

10

8

18

4 3 2

C

16 11

TO CD SECTION

12 14

P23 11-C, P23 11-D, P23 11-F

13 15

10K

+B

D

1

2 3 4

5

TEST POINT

6

7

VPP VDD RESET SO SI SCK GND

L64

0.82µH

+B

E

RES

19

SBUSY

17

+B

QV3

KRC104 S

3

1

+B

CV4

1K

RV11

16

15

17

MDI

18

MDO

19

MCK

20

21

MBUSY

22 23

VDD1

24

AVSS

25 26

MPEG CONTROLLER

27

28

29

30

31

32

34

33

12

14

13

MO_SPEED

PWR_MPEG

AVREF

AVDD

RESET

37

36

35

47/6.3

10

11

CD-LD M-

CD-LD M+

ICV1

IX0352AW

XT2

XT1ICX2

39

38

1K

RV20

4.19MHz

CV5

0.22

7

9

8

VSS0

VDD0

VOCAL CANCEL

X1

42

41

40

XV1

5

6

CD-SOL

KEY CONT.

K_C_DATA

INT

SBUSY

VSS1

43

44

RV22 1K

+B

4 3 221

K_C_CLK

K_C_STRB

1

HDAK

HWR

HRD HCS

MPEG RESET

48

45

47

46

RV59 1K

HD7 HD6 HD5 HD4 HD3 HD2 HD1 HD0

64 63 62 61 60 59 58 57

HA

56 55 54 53 52 51

RV37

50

1K

49

RV39 3.9K

RV38 3.9K

RV40 3.9K

QV4

KTA1298 Y

RV84

4.7K

RV42 3.9K

RV43 3.9K

RV41 3.9K

RV45 3.9K

RV44 3.9K

+B

RV85

10K

RV49 3.9K

RV48 3.9K

RV47 3.9K

RV46 3.9K

+B

XV2

27MH

RV50 3.9K

+B

F

AUCLK

1

AUBCK

6

TO CD SECTION

AULRCK

7

AUDO

5

P23 11-C, P23 11-D, P23 11-F

AUEMP

9

G

H

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

1

23456

Figure 20 SCHEMATIC DIAGRAM (1/13)

– 20 –

+B

XV2

27MHz

+B

27P(CH)

XV2

27P(CH)

CV9

0.22

CV11

0.22

CV6

CV7

CV10

47/6.3

NJM2267M

OPERATION AMP.

100

99

98

1

VDD HD7

2

HD6

3

HD5

4

HD4

5

GND

6

HD3

7

HD2

8

HD1

9

HD0

10

GND

11

GND

12

X1

13

X2

14

VDD

15

CKSEL

16

VDD

17

GND

18

HCS

19 20

HRD HWR

21

HA

22

HSELX

23

HSELA

24

VDD

25

27

28

26

+B

VIDEO SIGNAL

RV95

6.8K

ICV4

VIDEO

92

93

97

96

94

95

GND

CDBCK

CDLRCK

CDC2PO

CDEMPH

CDI

99

GND

100

MPEG DECODER

RESET

27

GND

26

AULRCK

AUBCK

AUCLK

HDAK

GND

INT

29

30

32

33

31

RV64

22

4 3

2 1

CV17 0.01

CV18 330/6.3

CV15

4.7/25

0.1

CV13

CV14

89

88

91

90

VDD

CBP3

AGND

VOUT3

VOUT2

ICV2

D61012GC

AUDO

AUEMPH

VDD

GND

34

36

35

38

37

0.22

CV12

0.1

87

MA8

CD-BK2100V

CD VIDEO PWB-C(1/2)

VCLK

48

77

MA0

49

76

VDD GND MD8

MD9 MD10 MD11

GND MD12 MD13 MD14 MD15

GND

VDD

MD0

MD1

MD2

MD3

MD4

GND MD5

MD6

MD7

MCAS

MWE

VDD

50

RV63

CV19

75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51

RV62

150

+B

0.22

CV21

0.22

CV20

0.22

+B

CV22

+B

47/6.3

L63

0.82 CV23

47/6.3

1 2

CNPV3

CV24

0.22

FROM MAIN PWB

P27 10-A

CNS602

VDD

1

DQ0

2

DQ1

3

DQ2

4

DQ3

5

VDD

6

DQ4

7

DQ5

8

DQ6

9

DQ7

10

11

ICV3

12

WE

13

14 15 16 17 18 19

20

CV25

0.22

RAS

A0 A1 A2

A3 VDD

SDM4260C

VSS DQ15 DQ14 DQ13

DQ12

VSS

DQ11

DQ10

DQ9

DQ8

DRAM

LCAS UCAS

OE

A8 A7 A6 A5 A4

VSS

40 39 38

37 36 35

34 33 32

31

30

29

28

27

26

25

24

23

22

21

CV39

1000/6.3

5 6

CV40

22/6.3

7

CV41

4.7/25

8

RV96

33K

RV61

100K

RV60

100

0.1

CV16

86

83

84

80

81

78

MA4

79

82

VDD

HSYNC

NSYNC

CSYNC

GND

76

VCLK

77

MRAS

49

GND

50

MA1

MA2

MA3

VDD

GND

43

45

47

44

46

+B

85

CBP2

CBP1

AVDD

VOUT1

MA7

MA5

MA6

40

42

41

39

7

8 9 10 11 12

Figure 21 SCHEMATIC DIAGRAM (2/13)

– 21 –

CD-BK2100V

K

B

R

V

R

T

M

L

C

H

V

D

2

V O

9 2

A

CD VIDEO PWB-C(2/2)

CD SIGNAL

SER

C

CNS1A

CNS1B

Vcc

7

Vref

6

E

5

A

B

4

B

3

F

2

C

1

C

7

6

5 4 3 2

1

R51 68K

5

R52 68K

4

R53 68K

3

R54 68K

2

1

CNP1

LASER

DRIVER

R56 68K

C53

0.001

Q3

KTA1504 GR

C51

47/6.3

R47

TIN1 FIN1 FIN2 TIN2

R55 68K

C55

C54

0.01

47/10

C8

0.022 C7

10/16

R25 10K

3.3

D

C52

0.01

R50

47

FIN1

FIN2

TIN1

TIN2 C6 100/6.3

REF1

VREF

LDD

GND LDON

AGON

EFBL

TEST0

NC

TES1

+B

LA9235M

SERVO AMP.

1

REF

2

REF

3

REF

4

REF

5

REF

6 7

APC

8 9

10

ODRV

11

AGCON

12 13

LPF

14

REF

15

REF

IC1

REF

ODRV

PH/BH

REF REF

ODRV

AGCON

PH

DH

REF

LPF

REF

LPF REF

NC

REF

13

30

RFSW

29

28

27 26 25 24 23 22 21 20 19 18 17 16

VCC

R42

120K

RF–

RF NC PH BH

RFEV FE– FE TE– TE HFL

NC TEST

4

47K

10K

C23

R15 10K

C26

C22

C24

2.2/50 C21

0.1

100P

R80 1M

C28

47/10

R12 680

R11 12K

EFBL

7

PD01

R13

680

C81

0.0 PC

R14

1.2K

C27

0.1

PH(RFE

ADA

C2

0.0

ADA

PH BH

R44

1K

TDO

R35

1K

TDO

P

V

SL

S

EF

JI JI

V

T

FDO

8

0.047

C17

0.0047

C82

0.022

R10 27K

C25

0.022

R8 330

C42 68P

(CH)

1.5M

0.047

C41

100/6.3

1

R79

C11

47/6.3

C12

0.022

C18

3P

(CH)

R5

39K

C13

0.01 C14

0.33

R3

R4

5

R7

6.8K

C20

R6

0.1

27K

E

TR+ FO+

FOTR-

ACTUATOR

PICKUP UNIT

F

CD MOTOR PWB-D

M1

SPINDLE

MOTOR

G

H

M2

SLED

MOTOR

SW4

PICKUP IN

TRTR+

FO+ FOGND

M

TO

TDO

R48

6.8K

C50

100/6.3

FDO C46

FO+

0.022 FO– TR+ TR–

GND

SL– SL+

SLDO

+B

VCC1

STANDBY

Vref

MUTE

+B

C49

100/6.3

1 2 3 4 5 6

PD

7

VR

8

LD

+

-

+

-

2 3 4 5 6 7

CNS2B

CNP3A

2 3 4 5 6 7 88

CNS2A

6 5 4 3 2 1

1 2 3 4 5 6 7 8

TR+ FO+ FO– GND

PD VR LD

CNP2

6 5 4 3

2 1

CNS3B

CNS3A

6 5 4 3 2 1

FOCUSE/TRACKING/

IC3

SPIN/SLED DRIVER

CNP3

SP–

6

SP+

5

SL+

4

SL–

3

PUIN

2

GND(D)

1

TR–

1

–

1

FD

2

FO

3

NC

4 5 6 7 8 9

10 11 12 13 14 15 16 17 18 19 20 21

–

+

–

+

IC3

–

+

–

+

–

M63001FP

–

+

–

+

– +

–

+

+ +

+

– –

–

LD_M+

42

LD_M–

41

VCC4

40

LOADING M+

39

LOADING M–

38

NC

37

NC

36 35 34 33

GND

32 31 30 29

VCC3

28

SP–

27

SP+

26

SPO

SPDO

25

VCC2(SPN)

24 23 22

+B

C47

100/6.3

+B

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

1

23456

Figure 22 SCHEMATIC DIAGRAM (3/13)

– 22 –

Sharp CDBK-2100-V Service manual

Specifications and Main Features

Frequently Asked Questions

User Manual