Sony HCD-BX5BT, HCD-CBX1, HCD-CBX3 Service Manual

SERVICE MANUAL

COMPACT DISC RECEIVER

SPECIFICATIONS

HCD-BX5BT/CBX1/CBX3

Photo: HCD-BX5BT

Ver. 1.0 2007.03

– Continued on next page –

9-887-614-01

2007C05-1
© 2007.03

Sony Corporation

Personal Audio Division
Published by Sony Techno Create Corporation

US Model

HCD-BX5BT/CBX1

AEP Model

UK Model

HCD-CBX3

• HCD-BX5BT is the amplifier, bluetooth, CD player
and tuner section in CMT-BX5BT.

• HCD-CBX1 is the amplifier, CD player and tuner
section in CMT-BX1

• HCD-CBX3 is the amplifier, USB, CD player and
tuner section in CMT-BX3.

Model Name Using Similar Mechanism NEW

Base Unit Name

HCD-BX5BT/CBX1 BU-K6BD90-WOD
HCD-CBX3 BU-K6BD90U-WOD

Optical Pick-up Block Name KSM-213DCP

•“WALKMAN” and “WALKMAN” logo are registered

trademarks of Sony Corporation.

• MICROVAULT is a trademark of Sony Corporation.

•ATRAC, ATRAC3, ATRAC3plus and their logos are

trademarks of Sony Corporation.

• U.S. and foreign patents licensed from Dolby

Laboratories.

• MPEG Layer-3 audio coding technology and patents

licensed from Fraunhofer IIS and Thomson.

AUDIO POWER SPECIFICATIONS POWER OUTPUT
AND TOTAL HARMONIC DISTORTION (BX5BT/
CBX1):
With 6 ohm loads, both channels driven, from 120 –
10,000Hz; rated 12 watts per channel minimum RMS
power, with no more than 10% total harmonic distortion
from 250 milliwatts to rated output.

Amplifier section

BX5BT/CBX1:

Continuous RMS power output
(reference): 15 + 15 watts (6 ohms at 1 kHz, 10%
THD)

Inputs:

AUDIO IN (stereo mini jack):
voltage 250 mV, impedance 47 kilohms

Outputs:

PHONES (stereo mini jack): accepts he/adphones of
8 ohms or more
SPEAKER: accepts impedance of 6 to 16 ohms

CBX3:

DIN power output (rated):
18 + 18 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 25 + 25 watts (6 ohms at 1 kHz, 10%
THD)
Music power output (reference):
38 + 38 watts (6 ohms at 1 kHz, 10% THD)

Inputs:

AUDIO IN (stereo mini jack):
voltage 250 mV, impedance 47 kilohms

(USB) port: Type A, maximum current 500 mA

Outputs:

PHONES (stereo mini jack): accepts headphones of
8 ohms or more
SPEAKER: accepts impedance of 6 to 16 ohms

Bluetooth section (BX5BT)

Communication system:

Bluetooth Standard version 2.0

Output:

Bluetooth Standard Power Class 2

Maximum communication range:

Line of sight approx. 10 m

1)

Frequency band:

2.4 GHz band (2.4000 GHz – 2.4835 GHz)

Modulation method:

FHSS

Compatible Bluetooth profiles2):

A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio Video Remote Control Profile)

Supported codecs:

Receive: SBC (Sub Band Codec), MP3
Transmit: SBC (Sub Band Codec)

1)

The actual range will vary depending on factors such
as obstacles between devices, magnetic fields around
a microwave oven, static electricity, reception
sensitivity, antenna’s performance, operating system,
software application, etc.

2)

Bluetooth standard profiles indicate the purpose of
Bluetooth communication between devices.

USB section (CBX3)

Supported bit rate

MP3 (MPEG 1 Audio Layer-3):
32 – 320 kbps, VBR
ATRAC: 48 – 352 kbps
(ATRAC3plus), 66/105/132 kbps
(ATRAC3)
WMA: 32 – 192 kbps, VBR
AAC: 48 – 320 kbps

Sampling frequencies

MP3 (MPEG 1 Audio Layer-3):
32/44.1/48 kHz
ATRAC: 44.1 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz

CD player section

System: Compact disc and digital audio
system
Laser Diode Properties

Emission duration: continuous
Laser Output*: Less than 44.6µ W
*This output is the value measurement at a distance

of 200mm from the objective lens surface on the

Optical Pick-up Block with 7mm aperture.
Frequency response: 20 Hz – 20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 90 dB

2

HCD-BX5BT/CBX1/CBX3

Tuner section

BX5BT/CBX1:

FM stereo, FM/AM superheterodyne tuner

FM tuner section:

Tuning range: 87.5 – 108.0 MHz (100 kHz step)
Antenna: FM lead antenna
Antenna terminals: 75 ohms unbalanced
Intermediate frequency: 10.7 MHz

AM tuner section:

Tuning range:
530 – 1,710 kHz (with 10 kHz tuning interval)
531 – 1,710 kHz (with 9 kHz tuning interval)
Antenna: AM loop antenna, external antenna terminal
Intermediate frequency: 450 kHz

CBX3:

FM stereo, FM/AM superheterodyne tuner

FM tuner section:

Tuning range

87.5 – 108.0 MHz (50 kHz step)
Antenna: FM lead antenna
Antenna terminals: 75 ohms unbalanced
Intermediate frequency: 10.7 MHz

AM tuner section:

Tuning range

531 – 1,602 kHz (with 9 kHz tuning interval)
Antenna: AM loop antenna, external antenna terminal
Intermediate frequency: 450 kHz

General

Power requirements:
120 V AC, 60 Hz (BX5BT/CBX1)
230 V AC, 50/60 Hz (CBX3)
Power consumption:
40 watts (BX5BT/CBX1)
65 watts (CBX3)
Dimensions (w/h/d) (excl. speakers):
Approx. 200 × 132 × 298 mm
Mass (excl. speakers):

3.5 kg (BX5BT)

3.4 kg (CBX1)

3.7 kg (CBX3)

Design and specifications are subject to change without
notice.

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

Flexible Circuit Board Repairing

• Keep the temperature of the soldering iron around 270 ˚C

during repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering

or unsoldering.

CAUTION

Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.

classified as a CLASS
1 LASER product. This
marking is located on the
rear exterior.

This appliance is

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHO WN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.

3

HCD-BX5BT/CBX1/CBX3

SAFETY CHECK-OUT

After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, screws,
and all other exposed metal parts for AC leakage.
Check leakage as described below.

LEAKAGE TEST

The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.

1. A commercial leakage tester, such as the Simpson 229 or RCA
WT -540A. Follow the manufactur ers’ instructions to use these
instruments.

2. A battery-operated A C milliammeter . The Data Precision 245
digital multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated A C voltmeter . The “limit” indication
is 0.75 V, so analog meters must have an accurate lo w-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable. (See
Fig. A)

Fig. A. Using an AC voltmeter to check AC leakage.

1.5 k

Ω

0.15 µF

AC
voltmete

r

(0.75 V)

To Exposed Metal
Parts on Set

Earth Ground

TABLE OF CONTENTS

1. SERVICING NOTES ............................................... 4

2. GENERAL ................................................................... 6

3. DISASSEMBLY

3-1. Disassembly Flow ........................................................... 10

3-2. Panel (Side L/R) .............................................................. 11

3-3. Panel (Top) ...................................................................... 11

3-4. MAIN Board, Shield Plate (PWB MAIN) ...................... 12

3-5. BT Board (BX5BT only) ................................................. 13

3-6. Lid (CD) Assy ................................................................. 13

3-7. Panel (Front) Assy ........................................................... 14

3-8. D.C. Fan (M301), Panel (Rear) ....................................... 14

3-9. POWER Transformer (T1) .............................................. 15

3-10. Loading Mechanism Block ............................................. 15

3-11. Base Unit ......................................................................... 16

3-12. Belt .................................................................................. 16

3-13. OP Base Assy (KSM-213D)............................................ 17

4. TEST MODE.............................................................. 18

5. ELECTRICAL CHECKS........................................ 20

6. DIAGRAMS

6-1. Block Diagram – CD SERVO Section – ......................... 21

6-2. Block Diagram

– TUNER, USB, BLUETOOTH Section – ..................... 22

6-3. Block Diagram – MAIN Section – .................................. 23

6-4. Block Diagram

– PANEL, POWER SUPPLY Section – .......................... 24

6-5. Printed Wiring Boards – CD Section – ........................... 26

6-6. Schematic Diagram – CD Board – .................................. 27

6-7. Printed Wiring Board – USB Board (CBX3) – ............... 28

6-8. Schematic Diagram – USB Board (CBX3) – .................. 29

6-9. Printed Wiring Boards

– BLUETOOTH Section (BX5BT) –.............................. 30

6-10. Schematic Diagram

– BLUETOOTH Section (BX5BT) –.............................. 31

6-11. Printed Wiring Boards – REGULATOR Section – ......... 32

6-12. Schematic Diagram – REGULATOR Section –.............. 32

6-13. Printed Wiring Board – MAIN Board – .......................... 33

6-14. Schematic Diagram – MAIN Section (1/4) – .................. 34

6-15. Schematic Diagram – MAIN Section (2/4) – .................. 35

6-16. Schematic Diagram – MAIN Section (3/4) – .................. 36

6-17. Schematic Diagram – MAIN Section (4/4) – .................. 37

6-18. Printed Wiring Board – AMP Board – ............................ 38

6-19. Schematic Diagram – AMP Board – ............................... 39

6-20. Printed Wiring Boards – SPEAKER Section – ............... 40

6-21. Schematic Diagram – SPEAKER Section –.................... 41

6-22. Printed Wiring Boards – PANEL Section –..................... 42

6-23. Schematic Diagram – PANEL Section – ......................... 43

6-24. Printed Wiring Board – POWER Board – ....................... 44

6-25. Schematic Diagram – POWER Board –.......................... 45

7. EXPLODED VIEWS

7-1. Panel Section ................................................................... 56

7-2. Front Panel Section ......................................................... 57

7-3. Main Section.................................................................... 58

7-4. POWER Board Section ................................................... 59

7-5. Loading Mechanism Section ........................................... 60

7-6. Base Unit Section

(BU-K6BD90-WOD: BX5BT/CBX1)

(BU-K6BD90U-WOD: CBX3) ....................................... 61

8. ELECTRICAL PARTS LIST................................ 62

4

HCD-BX5BT/CBX1/CBX3

SECTION 1

SERVICING NOTES

The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.

NOTES ON LASER DIODE EMISSION CHECK

The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick­up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.

UNLEADED SOLDER

Boards requiring use of unleaded solder are printed with the lead­free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with

the lead free mark due to their particular size)

: LEAD FREE MARK

Unleaded solder has the following characteristics.

• Unleaded solder melts at a temperature about 40 ˚C higher

than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 ˚C.
Caution: The printed pattern (copper foil) may peel away if

the heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.

ANTITHEFT UNLOCK MODE

Procedure:

1. Press the I/1 button to turn the power on.

2. Press the [FUNCTION] button to select “CD” (BX5BT/CBX1).
Press the [CD] button on the remote commander to select “CD”
(CBX3).

3. Press two buttons of [ /CANCEL] and Z for 5 seconds.

4. The message “UNLOCKED” is displayed on the liquid crystal
display and the disc tray is unlocked.

Note: When “LOCKED” is displayed, the tray lock is not released by turning

power on/off with the I/1 button.

NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT

MODEL IDENTIFICATION

Model Name Part No.

HCD-BX5BT 3-096-149-0[]
HCD-CBX1 3-093-033-0[]
HCD-CBX3 3-093-028-0[]

Part No.

– Rear View –

x

5

HCD-BX5BT/CBX1/CBX3

HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF

Note: Please insert a screwdriver after removing a BT board about about HCD-BX5BT.

About disassembly of a BT board, please refer to “3-5. BT board (BX5BT only)” (page 13).

2

Push the boss.

3

Open the tray.

1

Insert the driver.

6

HCD-BX5BT/CBX1/CBX3

SECTION 2

GENERAL

This section is extracted from
instruction manual.

Guide to parts and controls

This manual mainly explains operations using the remote, but the same operations can
also be performed using the buttons on the unit having the same or similar names.

Unit (HCD-BX5BT/Compact Disc Receiver)
Front panel

Top panel

Remote (RM-SC31)

2

STANDBY indicator

Lights up when the system is turned off.

3

Remote sensor

4

Z (open/close) button

Press to open or close the disc tray.

5

BLUETOOTH indicator

Lights up when the Bluetooth function
is active.

6

BLUETOOTH OPR button

Press to make a connection,
disconnection, or pairing with a
Bluetooth device.

7

AUDIO IN jack

Connect to an optional audio
component.

8

PHONES jack

Connect the headphones.

9

Playback buttons and function
buttons

Unit: BLUETOOTH NX (play/
pause) button

Press to select the Bluetooth function.
Press to start or pause playback of the
music on the Bluetooth device (Bluetooth
mobile phone, etc.).

Unit: CD NX (play/pause) button

Press to select the CD function.
Press to start or pause playback of a disc.

Remote: CD button

Press to select the CD function.

1

`/1 (power) button

Press to turn on the system.

Remote: N (play) button,
X (pause) button

Press to start or pause playback.

TUNER/BAND button

Press to select the TUNER function.
Press to select FM or AM reception
mode.

Remote: AUDIO IN button

Press to select the AUDIO IN function.

FUNCTION button

Press to select the function.

q;

DISPLAY button

Press to change the information on the
display.

qa

PLAY MODE/TUNING MODE
button

Press to select the play mode of a CD or
MP3 disc.
Press to select the tuning mode.

Sound buttons
Unit: DSGX button
Remote: EQ button

Press to select the sound effect.

qd

Unit: x/CANCEL (stop/cancel)
button
Remote: x (stop) button

Press to stop playback.

qf

ENTER button

Press to enter the settings.

qg

./> (go back/go forward)
button

Press to select a track or file.

Unit: TUNE +/– (tuning) button
Remote: +/– (tuning) button

Press to tune in the desired station.

+/– (select folder) button

Press to select a folder.

m/M (rewind/fast forward)
button

Press to find a point in a track or file.

qh

Unit: VOL +/– button
Remote: VOLUME +/– button

Press to adjust the volume.

qj

CLOCK/TIMER SELECT button
CLOCK/TIMER SET button

Press to set the clock and the Play Timer.

qs

qk

REPEAT/FM MODE button

Press to listen to a disc, a single track or
file repeatedly.
Press to select the FM reception mode
(monaural or stereo).

ql

Battery compartment lid

w;

CLEAR button

Press to delete a pre-programmed track
or file.
Press to erase the pairing registration
information of the Bluetooth device.

wa

TUNER MEMORY button

Press to preset the radio station.

ws

SLEEP button

Press to set the Sleep Timer.

Setting the clock

Use buttons on the remote to set the
clock.

1

Press `/1 1 to turn on the
system.

2

Press CLOCK/TIMER SET

If the current mode appears on
the display, press ./> qg
repeatedly to select “CLOCK SET”
and then press ENTER qf.

3

Press ./> qg repeatedly
to set the hour, and then press
ENTER qf.

4

Use the same procedure to set
the minutes.

The clock settings are lost when you
disconnect the power cord or if a
power failure occurs.

To display the clock when the system
is off

Press DISPLAY q;. The clock is displayed
for about 8 seconds.

HCD-BX5BT:

7

HCD-BX5BT/CBX1/CBX3

Basic Operations

Before using the system

To use the remote

Slide and remove the battery compartment lid ȹ, and
insert the two supplied R6 (size AA) batteries, × side
rst, matching the polarities shown below.

Notes on using the remote

ˎWith normal use, the batteries should last for about six months.
ˎDo not mix an old battery with a new one or mix dierent types of

batteries.

ˎIf you do not use the remote for a long period of time, remove the

batteries to avoid damage from battery leakage and corrosion.

To set the clock

1

Turn on the system.

Press ÒÄÆ (power)

ȩ

.

2

Select the clock set mode.

Press CLOCK/TIMER SET

ȷ

on the remote. If the

current mode appears on the display, press Ã/Ñ

ȵ

repeatedly to select “CLOCK SET” and then press

ENTER

ȴ

.

3

Set the time.

Press Ã/Ñ

ȵ

repeatedly to set the hour, and

then press ENTER

ȴ

. Use the same procedure to set
the minutes.
e clock settings are lost when you disconnect the
power cord or if a power failure occurs.
To display the clock when the system is o, press
DISPLAY

Ȱ

. e clock is displayed for about 8

seconds.

Selecting a music source

Press the following buttons (or press FUNCTION

ȯ

repeatedly).

To select Press

CD

CD

ȯ

on the remote.

Tun e r

TUNER/BAND

ȯ

.

Component (connected using
an audio cord)

AUDI O IN

ȯ

.

Adjusting the sound

To adjust the volume

Press VOLUME +/ˋ on the remote (or VOL +/ˋ on the
unit)

ȶ

.

To add a sound eect

To Pr ess

Generate a more dynamic
sound (Dynamic Sound
Generator X-tra)

DSGX

Ȳ

on the unit.

Set the sound eect

EQ



on the remote
repeatedly to select “BASS”
or “TREBLE,” and then
press +/ˋ



on the remote

repeatedly to adjust the level.

Playing a CD/MP3 disc

1

Select the CD function.

Press CD on the remote

ȯ

.

2

Place a disc.

Press ì (open/close)

Ȭ

on the unit, and place a disc

with the label side up on the disc tray.

To c lose the disc tray, press ì (open/close) Ȭ on the
unit.
Do not force the disc tray closed with your nger, as
this may damage the unit.

3

Start playback.

Press à (play) on the remote (or CD àê (play/
pause) on the unit)

ȯ

.

To Press

Pause play back

ê (pause) on the remote (or CD
àê (play/pause) on the unit)

ȯ

. To resume play, press the

button again.

Stop playback

Ą (stop)

ȳ

.

Select a folder on an
MP3 disc

+/ˋ (select folder) ȵ.

Select a track or le

Ã/Ñ

(go back/go forward)

ȵ

.

Find a point in a
track or le

Hold down ù/ß (rewind/
fast forward)

ȵ

during playback,
and release the button at the
desired point.

Select Repeat Play

REPEAT

ȸ

on the remote
repeatedly until “REP” or “REP1”
appears.

To change the play mode

Press PLAY MODE ȱ repeatedly while

the player is

stopped. You can select normal play (“

”

for all MP3
les in the folder on the disc), shue play (“SHUF” or
“

SHUF*”), or program play (“PGM”).

*When playing a CD-DA disc, (SHUF) Play performs the same

operation as normal (shue) play.

Notes on Repeat Play

ˎAll tracks or les on a disc are played repeatedly up to ve times.
ˎ“REP1” indicates that a single track or le is repeated until you stop

it.

Notes on playing MP3 discs

ˎDo not save other types of tracks or les or unnecessary folders on a

disc that has MP3 les.

ˎFolders that have no MP3 les are skipped.
ˎMP3 les are played back in the order that they are recorded onto

the disc.

ˎe system can only play MP3 les that have a le extension of

“.MP3”.

ˎIf there are les on the disc that have the “.MP3” le extension,

but that are not MP3 les, the unit may produce noise or may
malfunction.

ˎe maximum number of:

ˋfolders is 255 (including the root folder).
ˋMP3 les is 511.
ˋ

MP3 les and folders that can be contained on a single disc is 512.

ˋfolder levels (the tree structure of les) is 8.

ˎCompatibility with all MP3 encoding/writing soware, recording

device, and recording media cannot be guaranteed. Incompatible
MP3 discs may produce noise or interrupted audio or may not play
at all.

Notes on playing multisession discs

ˎIf the disc begins with a CD-DA (or MP3) session, it is recognized as

a CD-DA (or MP3) disc, and other sessions are not played back.

ˎA disc with a mixed CD format is recognized as a CD-DA (audio)

disc.

Listening to the radio

1

Select “FM” or “AM.”

Press TUNER/BAND

ȯ

repeatedly.

2

Select the tuning mode.

Press TUNING MODE

ȱ

repeatedly until “AUTO”

appears.

3

Tune in the desired station.

Press +/ˋ on the remote (or TUNE +/ˋ on the unit)

ȵ

. Scanning stops automatically when a station is
tuned in, and then “TUNED” and “ST” (for stereo
programs only) appear.

To stop automatic scanning

Press Ą (stop) ȳ.

To tune in a station with a weak signal

If “TUNED” does not appear and the scanning does not
stop, press TUNING MODE

ȱ

repeatedly until “AUTO”

and “PRESET” disappear, and then press +/ˋ on the
remote (or TUNE +/ˋ on the unit)

ȵ

repeatedly to tune

in the desired station.

To reduce static noise on a weak FM stereo
station

Press FM MODE ȸ on the remote repeatedly until
“MONO” appears to turn o stereo reception.

Changing the display

To Pr ess

Change
information on the
display

1)

DISPLAY  repeatedly when the
system is on.

Check the clock
when the system
is o

DISPLAY



when the system is

o

2)

. e clock is displayed for 8

seconds.

1)

For example, you can view CD/MP3 disc information, such as the
track or le number or folder name during normal play, or the total
playing time while the player is stopped.

2)

e STANDBY indicator  on the unit lights up when the system is
o.

Notes on the display information

ˎCharacters that cannot be displayed appear as “_”.
ˎe following are not displayed:

ˋtotal playing time for a CD-DA disc depending on the play mode.
ˋtotal playing time and remaining playing time for an MP3 disc.

ˎe following are not displayed correctly:

ˋfolder and le names that do not follow either the ISO9660

Level 1, Level 2 or Joliet in the expansion format.

ˎe following is displayed:

ˋID3 tag information for MP3 les when ID3 version 1 and version

2 tags are used (up to 62 characters).

Using optional audio components

To connect an optional headphones

Connect headphones to the PHONES jack Ȯ on the
unit.

To connect an optional component

Connect additional audio component to the AUDIO
IN jack

ȭ

on the unit using an audio analog cord (not
supplied). Turn down the volume on the system, and
then select the AUDIO IN function.

HCD-CBX1:

8

HCD-BX5BT/CBX1/CBX3

Other Operations

Creating your own program
(Program Play)

1

Press CD ȯ to select the CD function.

2

Press PLAY MODE ȱ repeatedly until “PGM” appears
while the player is stopped.

3

Press Ã/Ñȵ repeatedly until the desired
track or le number appears.

When programming les, press

+/ˋȵ repeatedly

to select the desired folder, and then select the desired
le.

Total playing time of program (including
selected track or le)

Selected track or le
number

4

Press ENTER ȴ to add the track or le to the
program.

“ˋˋ.ˋˋ” appears when the total program time
exceeds 100 minutes for a CD, or when you select a
CD track whose number is 21 or over, or when you
select an MP3 le.

5

Repeat steps 3 through 4 to program additional
tracks or les, up to a total of 25 tracks or les.

6

To play your program of tracks or les, press àȯ.

e program remains available until you open the disc
tray. To play the same program again, press à

ȯ

.

To c ancel Program Play

Press PLAY MODE ȱ repeatedly until “PGM”
disappears while the player is stopped.

To delete the last track or le of the program

Press CLEAR Ⱥ on the remote while the player is
stopped.

Presetting radio stations

You can preset your favorite radio stations and tune
them in instantly by selecting the corresponding preset
number.
Use b utton s on the remote to preset stations.

1

Tune in the desired station (See “Listening to the
radio”).

2

Press TUNER MEMORY Ȼ.

Preset number

3

Press +/ˋȵ repeatedly to select your desired
preset number.

If another station is already assigned to the selected
preset number, the station is replaced by the new
stations.

4

Press ENTER ȴ.

5

Repeat steps 1 through 4 to store other stations.

You c an preset up to 20 FM and 10 AM stations. e
preset stations are retained for about half a day even
if you disconnect the power cord or if a power failure
occurs.

6

To call up a preset radio station, press TUNING
MODE

ȱ

repeatedly until “PRESET” appears, and

then press +/ˋ

ȵ

repeatedly to select the desired

preset number.

Using the Timers

e system oers two timer functions. If you use the Play
Timer with the Sleep Timer, the Sleep Timer has priority.

Sleep Timer:

You can fall asleep to music. is function works even if
the clock is not set.
Press SLEEP

ȼ

repeatedly. If you select “AUTO,” the
system automatically turns o aer the current disc stops
or in 100 minutes.

Play Timer:

You c an wake up to CD or tuner at a preset time.

Use b utton s on the remote to control the Play Timer.
Make sure you have set the clock.

1

Prepare the sound source.

Prepare the sound source, and then press VOLUME
+/ˋ

ȶ

to adjust the volume.
To start from a specic track or le, create your own
program.

2

Press CLOCK/TIMER SET ȷ.

3

Press Ã/Ñȵ repeatedly to select “PLAY SET,”
and then press ENTER

ȴ

.

“ON” ap pears, and the hour indication ashes.

4

Set the time to start playing.
Press Ã/Ñ

ȵ

repeatedly to set the hour, and

then press ENTER

ȴ

.

e minute indication ashes. Use the procedure
above to set the minutes.

5

Use the same procedure as in step 4 to set the time
to stop playing.

6

Select the sound source.

Press Ã/Ñ

ȵ

repeatedly until the desired

sound source appears, and then press ENTER

ȴ

. e

display shows the timer settings.

7

Press ÒÄÆȩ to turn o the system.

e system turns on 15 seconds before the preset time.
If the system is on at the preset time, the Play Timer
will not play.

To activate or check the timer again

Press CLOCK/TIMER SELECT ȷ, press Ã/Ñ

ȵ

repeatedly until “PLAY SEL” appears, and then press

ENTER

ȴ

.

To cancel the timer

Repeat the same procedure as above until “TIMER OFF”
appears, and then press ENTER

ȴ

.

To change the setting

Start over from step 1.

Tip

e Play Timer setting remains as long as the setting is not canceled
manually.

9

HCD-BX5BT/CBX1/CBX3

Guide to parts and controls

This manual mainly explains operations using the remote, but the same operations can

also be performed using the buttons on the unit having the same or similar names.

Unit
Front panel

Top panel

Remote

1

`/1 (power) button

Press to turn on the system.

2

STANDBY indicator

Lights up when the system is turned off.

3

Remote sensor

4

Z (open/close) button

Press to open or close the disc tray.

5

USB MEMORY indicator

Lights up when an optional USB device
(Digital music player or USB storage
media) is connected.

6

AUDIO IN jack

Connect to an optional audio
component.

7

PHONES jack

Connect the headphones.

8

(USB) port

Connect to an optional USB device
(Digital music player or USB storage
media).

9

Playback buttons and function
buttons

Unit: USB NX (play/pause)
button

Press to select the USB function.
Press to start or pause playback of an
optional USB device (Digital music
player or USB storage media).

Remote: USB button

Press to select the USB function.

Unit: CD NX (play/pause)
button

Press to select the CD function.
Press to start or pause playback of a disc.

Remote: CD button

Press to select the CD function.

Remote: N (play) button,
X (pause) button

Press to start or pause playback.

TUNER/BAND button

Press to select the TUNER function.
Press to select FM or AM reception
mode.

Unit: AUDIO IN button

Press to select the AUDIO IN function.

Remote: FUNCTION button

Press to select the function.

q;

DISPLAY button (page 17)

Press to change the information on the
display.

qa

PLAY MODE/TUNING MODE
button

Press to select the play mode of a CD,
MP3 disc or an optional USB device
(Digital music player or USB storage
media).
Press to select the tuning mode.

qs

Sound buttons
Unit: DSGX button
Remote: EQ button

Press to select the sound effect.

qd

Unit: x/CANCEL (stop/cancel)
button
Remote: x (stop) button

Press to stop playback.

qf

ENTER button

Press to enter the settings.

qg

./> (go back/go forward)
button

Press to select a track or file.

Unit: TUNE +/– (tuning) button
Remote: +/– (tuning) button

Press to tune in the desired station.

+/– (select folder) button

Press to select a folder.

m/M (rewind/fast forward)
button

Press to nd a point in a track or file.

qh

Unit: VOL +/– button (page 12,
Remote: VOLUME +/– button

Press to adjust the volume.

qj

CLOCK/TIMER SELECT button
CLOCK/TIMER SET button

Press to set the clock and the Play Timer.

qk

REPEAT/FM MODE button

Press to listen to a disc, a single track or
file repeatedly.
Press to select the FM reception mode
(monaural or stereo).

ql

Battery compartment lid

w;

CLEAR button

Press to delete a pre-programmed track
or file.

wa

TUNER MEMORY button

Press to preset the radio station.

ws

SLEEP button

Press to set the Sleep Timer.

Setting the clock

Use buttons on the remote to set the
clock.

1

Press `/1 1 to turn on the
system.

2

Press CLOCK/TIMER SET qj

If the current mode appears on
the display, press ./> qg
repeatedly to select “CLOCK SET”
and then press ENTER qf.

3

Press ./> qg repeatedly
to set the hour, and then press
ENTER qf.

4

Use the same procedure to set
the minutes.

The clock settings are lost when you
disconnect the power cord or if a
power failure occurs.

To display the clock when the system
is off

Press DISPLAY q;. The clock is displayed
for about 8 seconds.

HCD-CBX3:

HCD-BX5BT/CBX1/CBX3

10

• This set can be disassembled in the order shown below.

3-1. DISASSEMBLY FLOW

SECTION 3

DISASSEMBLY

SET

3-2. PANEL (SIDE L/R)

(Page 11)

3-3. PANEL (TOP)

(Page 11)

3-9. POWER

TRANSFORMER (T1)
(Page 15)

3-4. MAIN BOARD,

SHIELD PLATE
(PWB MAIN)
(Page 12)

3-5. BT BOARD

(Page 13)

3-6. LID (CD) ASSY

(Page 13)

3-7. PANEL (FRONT) ASSY

(Page 14)

3-10. LOADING MECHANISM

BLOCK
(Page 15)

3-11. BASE UNIT

(Page 16)

3-12. BELT

(Page 16)

3-13. OP BASE ASSY

(KSM-213D)
(Page 17)

3-8. D.C. FAN (M301),

PANEL (REAR)
(Page 14)

3-6. LID (CD) ASSY

(Page 13)

(CBX1/CBX3)

(BX5BT)

3-7. PANEL (FRONT)

ASSY
(Page 14)

HCD-BX5BT/CBX1/CBX3

11

2

two screws
(BVTT3

×

6)

1

screw
(BVTP3

×

10 (CBX3)

)

(B3 (BX5BT/CBX1))

1

screw
(BVTP3

×

10 (CBX3))

(B3 (BX5BT/CBX1))

3

panel (side L)

3

panel (side R)

2

two screws
(BVTT3

×

6)

1

two screws
(BVTT3

×

6)

7

nine screws
(BVTP2.6)

qs

panel (top)

6

connector
(CN322)

4

five claws

9

button
(function)

8

TOP PANEL board

0

button (directory)

qa

button (VOL)

5

2

two screws
(BVTT3

×

6)

3

five screws
(BVTP3

×

10 (CBX3)

)

(B3 (BX5BT/CBX1))

Note: Follow the disassembly procedure in the numerical order given.

3-2. PANEL (SIDE L/R)

3-3. PANEL (TOP)

HCD-BX5BT/CBX1/CBX3

12

2

flexible flat cable (19 core)
(CN304)

(CBX3)

(BX5BT)

qa

three screws
(BVTT3

×

6)

qs

screw
(BVTT3

×

6)

qf

MAIN board

qd

coating clip

qh

shield plate (PWB MAIN)

3

flexible flat cable (15 core)
(CN323)

4

flexible flat cable (5 core)
(CN309)

7

Cut the clamp.

1

flexible flat cable (21 core: BX5BT/CBX1)
flexible flat cable (25 core: CBX3)
(CN305)

6

flexible flat cable (13 core)
(CN306)

5

flexible flat cable (9 core: BX5BT/CBX1)
flexible flat cable (11 core: CBX3)
(CN310)

9

connector
(CN303)

0

connector
(CN321)

8

connector
(CN312)

qg

washer

qg

two washers

qg

washer

3-4. MAIN BOARD, SHIELD PLATE (PWB MAIN)

HCD-BX5BT/CBX1/CBX3

13

1

two screws
(BVTT3

×

6)

7

two screws
(BVTT3

×

6)

4

screw
(BVTT3

×

6)

3

connector

qa

BT board

8

bracket BT

6

5

screw
(BVTT3

×

6)

2

bracket (PWB A)

9

shield case

0

flexible flat cable
(15 core) (CN901)

2

Push the boss.

3

Open the tray.

1

Insert the driver.

4

two claws

5

lid (CD) ass

y

3-5. BT BOARD (BX5BT only)

3-6. LID (CD) ASSY

HCD-BX5BT/CBX1/CBX3

14

1

flexible flat cable (13 core)
(CN306)

qk

panel (front) assy

qg

two foots
(felt)

4

qj

ANT board

qh

coaxial
cable

3

three screws
(BVTT3

×

6)

qs

two screws (2.6 × 10)

5

five screws
(BVTP2.6)

9

button (power) assy

0

button (BT) assy

qa

button (eject)

8

FRONT PANEL board

qf

HEADPHONE board

qd

ground plate (HP)

2

connector (CN316)

(BX5BT)

(BX5BT)

7

sheet (RM)

6

Remove the solder.

(CBX3)

5

three screws
(BVTT3

×

6)

0

two screws
(BVTP3

×

16)

2

ferrite core

3

connector
(CN318)

qd

SPEAKER board

qa

D.C. fan (M301)

6

qf

panel (rear)

7

cord bushing

8

power cord

4

screw
(BVTP2.6

)

qs

two screws
(B3)

1

connector
(CN901)

9

connector
(CN313)

(CBX3)

3-7. PANEL (FRONT) ASSY

3-8. D.C. FAN (M301), PANEL (REAR)

HCD-BX5BT/CBX1/CBX3

15

2

coating clip

3

4

spacer (transformer)

7

power transformer (T1)

6

POWER board

5

Remove twelve solders.

1

four screws

3-9. POWER TRANSFORMER (T1)

1

three screws
(BV3)

2

3

4

loading mechanism block

3-10. LOADING MECHANISM BLOCK

HCD-BX5BT/CBX1/CBX3

16

5

insulator

5

insulator

6

base unit

5

insulator

5

insulator

3

two springs
(insulator)

2

two floating screws

2

two floating screws

2

floating screw

4

loading (BK) assy

– Bottom view –

3

two springs (insulator)

1

flexible flat cable
(21 core: BX5BT/CBX1) (CN201)
(25 core: CBX3) (CN203)

3-11. BASE UNIT

4

belt

2

claw

2

claw

3

tray (AU)

1

belt

position of belt

3-12. BELT

HCD-BX5BT/CBX1/CBX3

17

2

Remove four solders.

1

flexible flat cable (16 core)
(CN301)

3

CD board

4

op base assy
(KSM-213D)

3-13. OP BASE ASSY (KSM-213D)

18

HCD-BX5BT/CBX1/CBX3

COLD RESET

The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning the
set to the customer.

Procedure:

1. Press three buttons of [ /CANCEL] , – and I/1 simulta­neously.

2. The system is reset and becomes standby states.

COMMON TEST MODE

This mode is used to check operations of amplifier.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press three buttons of [ /CANCEL] , [ENTER] and – si­multaneously.

3. When the COMMON test mode is activated, “AUDIO IN” is
displayed on the liquid crystal display and “c PLAY SLEEP”
blink on the liquid crystal display.

4. Each time [EQ] button on the remote commander is pressed,
the display changes starting “TONE MAX”, “TONE MIN”
and “TONE FLAT” this order.

5. Press the [VOL ---] button, “VOLUME MIN” is displayed on
the liquid crystal display. Press the [VOL +] button, “VOLUME
MAX” is displayed on the liquid crystal display.

6. To release this mode, press the I/1 button.

PANEL TEST MODE

This mode is used to check the liquid crystal display, LED, model,
destination, software version and key.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press three buttons of [CD ], [DSGX] and [ENTER] simul­taneously.

3. All segments on the liquid crystal display and [STANDBY] LED
light up.

4. Press the [ENTER] button, the model and destination are
displayed on the liquid crystal display.

5. Press the [ENTER] button again, MC version is displayed on
the liquid crystal display.

6. Each time [ENTER] button i s pressed, the display changes
starting from MC version, GC version, USBL version (CBX3
only), USBM version (CBX3 only), CD version, CDD version,
CDMA version, CDMB version, BDA v ersion, BDB version,
ST version, T A v ersion and TM version this order , and returns
to the MC version display.

7. When [ /CANCEL] button is pressed while the MC version
is displayed, year, month and day of the software creation
is displayed. When [ /CANCEL] button is pressed again,
the display returns to the MC version display.

8. Press the [DSGX] button, the key test mode is activated and
“K 0” is displayed on the liquid crystal display.

9. Each time a button is pressed, “K” value increases. Howe ver,
once a button is pressed, it is no longer taken into account.
All keys are pressed, display becomes “K18”.

10. To release this mode, press three buttons in the same manner
as step 2, or disconnect the power cord.

SECTION 4

TEST MODE

TUNER STEP CHANGE

(BX5BT/CBX1)

A step of AM tuning interval can be changed over between 9 kHz
or 10 kHz.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press the [TUNER/BAND] button to select “AM”.

3. Press the I/1 button again to turn the power off.

4. Press two buttons of [TUNER/BAND] and I/1 simultaneously.

5. The message “AM 9kHz Step” or “AM 10kHz Step” is
displayed on the liquid crystal display and thus the tuning
interval is changed over.

CD SHIP MODE

This mode moves the optical pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press the [FUNCTION] button to select “CD” (BX5BT/CBX1).
Press the [CD] button on the remote commander to select “CD”
(CBX3).

3. Press three buttons of [DSGX], [TUNER/BAND] and Z simul­taneously.

4. After the “STANDBY” display blinks, the ship mode is set
and the system is reset.

CD SHIP MODE & MEMORY CLEAR

This mode is used to perform CD ship mode and cold reset
simultaneously.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press three buttons of [ /CANCEL], [TUNER/BAND] and

Z

simultaneously.

3. After the “STANDBY” display blinks, the ship mode is set
and the system is reset.

ANTITHEFT LOCK MODE

This mode is used to unable to take sample disc out of disc tray in
the shop.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press the Z button to open the disc tray and set the CD disc.

3. Press the Z button to close the disc tray.

4. Press the [FUNCTION] button to select “CD” (BX5BT/CBX1).
Press the [CD] button on the remote commander to select “CD”
(CBX3).

5. Press two buttons of [ /CANCEL] and Z for 5 seconds.

6. The message “LOCKED” is displayed on the liquid crystal
display and the disc tray is locked. (Even if pressing
the Z button, the message “LOCKED” is displayed on the
liquid crystal display and the disc tray is locked)

7. To release from this mode, press two buttons of [ /CANCEL]
and Z for 5 seconds.

8. The message “UNLOCKED” is displayed on the liquid crystal
display and the disc tray is unlocked.

u

x

x

x

x

x

x

x

19

HCD-BX5BT/CBX1/CBX3

CD POWER MANAGE

This mode is used to changed over CD power on/of f for decreasing
of reception noise in the tuner mode.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press the [FUNCTION] button to select “CD” (BX5BT/CBX1).
Press the [CD] button on the remote commander to select “CD”
(CBX3).

3. Press the I/1 button again to turn the power off.

4. Press two buttons of [ /CANCEL] and I/1 simultaneously.

5. The message “CD POWER ON” or “CD POWER OFF”is
displayed on the liquid crystal display, and CD power on/off
is changed over in the tuner mode.

CD SERVICE MODE

This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the optical pick-up.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press the [FUNCTION] button to select “CD” (BX5BT/CBX1).
Press the [CD] button on the remote commander to select “CD”
(CBX3).

3. Press three buttons of [ /CANCEL], [CD ] and Z simul­taneously, the message “SER VICE M” is display ed on the liq­uid crystal display.

4. Press the [TUNE ---] button to move the optical pick-up to inside
track and the message “SLED IN” is displayed on the liquid
crystal display, or press the [TUNE +] button to outside track
and the message “SLED OUT” is displayed on the liquid
crystal display.

5. Press the [CD ] button, “LD ON” or “LD OFF” is dis­played on the liquid crystal display. Each time [CD ]
button is pressed, laser diode on/off is changed over.

6. To release this mode, press the

I/1 button.

BT TEST MODE

(BX5BT)

This mode is used to check the firmware version and address of
bluetooth module.

Procedure:

1. Press the I/1 button to turn the power on.

2. Press the [FUNCTION] button to select “BLUETOOTH”.

3. Press three buttons of [DSGX], [BLUTOOTH ] and [BLU-
TOOTH OPR] simultaneously, the message “BT Test” is dis­played on the liquid crystal display. Then, the display is au­tomatically changed to the firmware version of bluetooth
module.

4. Press the [DISPLAY] button, address of bluetooth module is
displayed on the liquid crystal display.

5. To release this mode, press the I/1 button.

x

x

u

u

u

u

20

HCD-BX5BT/CBX1/CBX3

SECTION 5

ELECTRICAL CHECKS

CD SECTION

Note:

1. CD Block is basically constructed to operate without adjustment.

2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.

3. Use an oscilloscope with more than 10 MΩ impedance.

4. Clean the object lens by an applicator with neutral detergent when the
signal level is low than specified value with the following checks.

5. Check the focus bias check when optical pick-up block is replaced.

FOCUS BIAS CHECK

Procedure :

1. Connect oscilloscope to TP121 (RFI) and TP124 (VC) on the
CD board.

2. Press the I/1 button to turn the power ON.

3. Set disc (YEDS-18) on the tray and press the CD u button
to playback.

4. Confirm that oscilloscope waveform is as shown in the f igure
below. (eye pattern)
A good eye pattern means that the diamond shape (◊) in the
center of the waveform can be clearly distinguished.

Checking Location:

+
–

CD board

TP121 (RFI)
TP124 (VC)

oscilloscope

(DC range)

VOLT/DIV: 200 m

V

TIME/DIV: 500 ns

level:

0.5

±

0.8 Vp-p

TUNER SECTION

FM TUNE LEVEL CHECK

Procedure:

1. Turn on the set.

2. Input the following signal from signal generator to FM antenna
input directly.

Carrier frequency: A = 87.5 MHz, B = 98 MHz, C = 108 MHz

Deviation : 75 kHz
Modulation : 1 kHz
ANT input : 35 dBu (EMF)

Note: Use 75 ohm coaxial cable to connect signal generator and the set.

You cannot use video cable for checking.
Use signal generator whose output impedance is 75 ohm.

3. Set to FM tuner function and tune A, B and C signals.

4. Confirm “TUNED” is lit on the display for A, B and C signals.

When the selected station signal is received in good condition,
“TUNED” is displayed.

signal

generator

set

TP124

(VC)

– CD Board (Conductor Side) –

TP121

(RFI)

IC101

HCD-BX5BT/CBX1/CBX3

2121

HCD-BX5BT/CBX1/CBX3

SECTION 6
DIAGRAMS

6-1. BLOCK DIAGRAM – CD SERVO Section –

SYSTEM CONTROLLER

IC301 (1/4)

CD-MP3 PROCESSOR

IC101

MUTE

2-AXIS
DEVICE

(TRACKING)(FOCUS)

95

89

A

AVDD
+3.3V

DETECTOR

FNi1 (A)

RFo

97 FPi1 (B)

88

2

AGCi

3RFRP RFZI

76TEi TEZi

83RFEQo 81 RFi

82 RFRPi

30LO

27RO

65AIN (PI4)
66BCKi (PI5)

BCK

A-IN

BUS1

BUS0

BUS2

BUS3

BUCK

67LRCKi (PI6)

LRCK

51PIO3

GATE

46AoUT3 (PO4)

ST-REQ

38BUS0

R-CH

94 FNi2 (C)

96 FPi2 (D)

100 T N i (E)

98 TPi (F)

91 LDo 92MDi

2 VO1+

1 VO1–

13 DMo

AUTOMATIC

POWER CONTROL

Q301

LD

PD

LASER DIODE

OPTICAL PICK-UP

BLOCK

(KSM-213DCP)

B

C

D

E

F

12 FMo

10 TRo

9 FOo

20 IO0 (/HSO)

I-V AMP

M401

(SPINDLE)

M402

(SLED)

12 VO2–

11 VO2+

18 VO3+

17 VO3–

26 VO4+

27

7

IN4’

24

IN3’

20

IN2’

9

IN1

3

BIAS

23

84 VRo

VO4–

M

M

FOCUS/TRACKING COIL DRIVE,

SLED/SPINDLE MOTOR DRIVE

IC401

S201

(LIMIT)

DVDD

+3.3V

24XO23

XI

X102

16.9344MHz

72 CD DRIVE MUTE

LOADING

MOTOR DRIVE

IC311

CDM LOAD IN

89

CDM LOAD OUT

CDM SW (OPEN)

CDM SW (CLOSE)

88

90

91

M

A

CD-L

B

A-IN, BCK, LRCK,

GATE, ST-REQ

C

BUS0 – BUS3,

BUCK, CCE, REQ

: CD PLAY

SIGNAL PATH

R-ch is omitted due to same as L-ch.

: USB

VCC

A

B

C

D

E

F

LD

PD

SP+

VC

SP–

SL+

SL–

T+

T–

F+

F–

1 2 68 CD BUS0

13

39BUS1 4 3 67 CD BUS1

5

40BUS2 (SO) 8 9 66 CD BUS2

75 CD CLK

6

41BUS3 (SI) 11 10 65 CD BUS3

12

BUS SWITCH

IC321

1 2

13

4 3

5

8 9

6

11 10

12

BUS SWITCH

IC322

DATA SELECTOR

IC323

A/B

Q321

42BUCK (CLK) 4

2

3

CCE

63 CD CCE

43XCCE

54SBSY

48PIO0

7

69 MP3 IREQ

44 DEC BUS SEL1

19 SBSY

37XRST

71 CD XRST

5

REQ

6

12

14

13

9

10

11

1

S001

DISC TRAY

OPEN/CLOSE DETECT

OPEN

CLOSE

M001

(LOADING)

(BX5BT/CBX1)

(BX5BT/CBX1)

(CBX3)

(CBX3)

(CBX3)

(Page 23)

(Page 22)

(Page 22)

HCD-BX5BT/CBX1/CBX3

2222

HCD-BX5BT/CBX1/CBX3

6-2. BLOCK DIAGRAM – TUNER, USB, BLUETOOTH Section –

ANT901

57 BT CTS

34 BT_RTS

31 BT DOUT
32 BT DIN

IC904

BLUETOOTH MODULE

10A_OUT_P_L

9A_OUT_N_L

5A_IN_P_L

4A_IN_N_L

8A_OUT_P_R

7A_OUT_N_R

41UART_TXD

40UART_RXD

38UART_CTS
39UART_RTS

55 BT_RESET

54 BT_AV_ROLE12PIO_00

46RESET

MIX AMP

IC902

3A_IN_P_R

2A_IN_N_R

LB

I/O0 – I/O15

D0 – D15

S-RAM

IC921

39

UB 40

OE 41

WE 17

CE 6

79 D+

80 D–

77 USBOC

USB CONTROLLER

IC901

35 USB TXD

SYSTEM CONTROLLER

IC301 (2/4)

CN902
(USB)

3

2

1

D+

D–

78 USBPON

70 CS2
64

RD
65 WR
66 SRLLB
67 SRLUB

VBUS

B

A-IN, BCK, LRCK,

GATE, ST-REQ

C

BUS0 – BUS3,

BUCK, CCE, REQ

VBUS POWER

ON/OFF SWITCH

IC915

5

1

4OUT

EN

3

FLG

IN

VBUS

+5V

93DATA
92BCK

BCK

A-IN

LRCK

GATE

ST-REQ

71LRCK
94GATE
97ST-REQ

E

TUNER-L

55BUS0
56BUS1

BUS1

BUS0

88RXD1

36 USB RXD87TXD1

38 USB RTS2DI
37 USB CTS84DO
40 USB RESET1/RESET

BUS2
BUS3
BUCK

57BUS2
58BUS3
59/BUCK

CCE

REQ

60/CCE
96REQ

7 – 10, 13 – 16,

29 – 32, 35 – 38

18 – 25, 28 – 35

A0 – A15

A1 – A16

44 – 42, 27 – 24,

21 – 18, 5 – 1

37 – 43, 46 – 54

73X275

X1

X901
9MHz

PATTERN
ANTENNA

(FOR BLUETOOTH)

R-CH

R-CH

LINE AMP

IC901

(CBX3)

(BX5BT)

F

BT-L

G

BT OUT-L

TUNER (FM/AM)

AM

FM ANT

AM ANT

L OUT

R OUT

DO/STEREO

R-CH

RDS DATA

RDS CLK

ST DIN
ST CLK

ST CE

FM 75Ω

COAXIAL

ANTENNA

1 ST DATA IN/STEREO

95 RDS DATA
18 RDS INT

3 ST DATA OUT
2 ST CLK

100 ST CE

(CBX3)

: TUNER (FM/AM)

SIGNAL PATH

R-ch is omitted due to same as L-ch.

: USB

: BLUETOOTH IN

: BLUETOOTH OUT

: AUDIO

(Page 21)

(Page 21)

(Page 23)

(Page 23)

(Page 23)

HCD-BX5BT/CBX1/CBX3

2323

HCD-BX5BT/CBX1/CBX3

6-3. BLOCK DIAGRAM – MAIN Section –

(BX5BT)

OUTPUT SELECT

IC309

A

13

14

12

10

AUDIO IN

R-CH

J301

CD-L

A

BT-L

F

TUNER-L

E

PROTECT

J

6

8

5

4

22

DATA21CLK

AMP DATA

81

AMP CLOCK

82

TA LINE-MUTE

80

(BX5BT)

G

BT OUT-L

X1

X0

LOUT

INPUT SELECT, ELECTRICAL VOLUME

IC304

SYSTEM CONTROLLER

IC301 (3/4)

: AUDIO

: CD PLAY

SIGNAL PATH

R-ch is omitted due to same as L-ch.

: AUDIO IN

: TUNER (FM/AM)

BT AUDIO OUT MUTE

56

Q310

INL3

7

INL4

IGOUTL

VOLINL

INL2

INL1

X

9

MUTING

IC103

R-CH

27

MUTING
CONTROL

Q340, 341

(BX5BT)

(CBX1/CBX3)

(BX5BT)

POWER AMP

IC601

11 CH1 IN
12 CH1 NF

10

MONITOR

CH1 OUT+

4

CH1 OUT–

5

13

STBY

J500

R-CH

PHONES

SPEAKER

+
–

–

+

R

L

J302

DC

DETECT

Q342 – 344

M301
(FAN)

+9V

MM

AC DET

K

D313

STK-ON

87

FAN MOTOR

DRIVE

Q316, 317

PROTECT

DETECT

Q307

(Page 21)

(Page 22)

(Page 22)

(Page 22)

(Page 24)

(Page 24)