• HCD-BX70DBi is the amplifi er, CD player, tuner
and iPod section in CMT-BX70DBi.
iPod is a trademark of Apple Inc., registered in the U.S. and other countries.
MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer
IIS and Thomson.
All other trademarks and registered trademarks are of their respective holders.
In this manual,
TM
and®marks are not specified.
Amplifier section
DIN poweroutput (rated):
18 + 18 W (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference): 25 + 25 W (6 ohms at 1 kHz,
10% THD)
Music power output (reference): 38 + 38 W (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 headphones of 8 ohms or more
SPEAKER: accepts impedance of 6 to 16 ohms
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*:Less than 44.6μW
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
Tuner section
DAB tuner section:
Frequency range*
Band-III: 174.928 (5A) – 239.200 (13F) MHz
* For details, see “DAB frequency table” below.
Antenna: FM/DAB lead antenna
Antenna terminal: 75 ohms, F female
FM stereo, FM/AM superheterodyne tuner
FM tuner section:
Audio&Video Business Group
Published by Sony Techno Create Corporation
Page 2
HCD-BX70DBi
iPod section
Compatible iPod models:
iPod nano 3rd
generation
iPod touch
iPod nano 2nd
generation
(aluminum)
iPod 4th
generation
(color display)
General
Power requirements:230 V AC, 50/60 Hz
Power consumption: 63 watts
Dimensions (w/h/d) (excl. speakers): Approx. 215 × 140 × 298 mm
Mass (excl. speakers):
Design and specications are subject to change without notice.
(video)
iPod 5th
generation
(video)
iPod 4th
generation
Approx. 3.9 kg
iPod classic
iPod nano 1st
generation
iPod mini
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 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 specifi ed herein may result in hazardous radia-
tion exposure.
6-19. Printed Wiring Board - POWER Board - ........................ 36
6-20. Schematic Diagram - POWER Board - .......................... 37
This appliance is classifi ed as
a CLASS 1 LASER product.
This marking is located on the
rear or bottom exterior.
SAFETY-RELATED COMPONET 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 SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
7-7. Base Unit Section (BU-K6BD90-WOD) ........................ 51
8. ELECTRICAL PARTS LIST .............................. 52
Page 3
SECTION 1
SERVICING NOTES
HCD-BX70DBi
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
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 fl exible 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 refl ective 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 viscous (sticky, less prone to fl ow)
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 [
2. Press the [FUNCTION] button to select “CD”.
3. Press two buttons of [
4. The message “UNLOCKED” is displayed on the fl uorescent
indicator tube and the disc tray is unlocked.
] button to turn the power on.
?/1
x/CANCEL
] and [
] for 5 seconds.
A
Note: When “LOCKED” is displayed, the tray lock is not released by
turning power on/off with the [?/1] button.
HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF
Note: Please insert a screwdriver after removing the panel (side L).
About disassembly of the panel (side L), please refer to “3-2. Panel (Side L/R)” (page 7).
Open the tray.
Insert the driver.
Push the boss.
3
Page 4
HCD-BX70DBi
Basic Operations
is 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.
Before using the system
To use the remote
Slide and remove the battery compartment lid , and
insert the two supplied R6 (size AA) batteries, side
rst, matching the polarities shown below.
Notes on using the remote
With normal use, the batteries should last for about six months.
Do not mix an old battery with a new one or mix dierent types of
batteries.
If 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
Use buttons on the remote to set the clock.
1 Turn on the system.
Press (power)
2 Select the clock set mode.
Press TIMER MENU
on the display, press /
“CLOCK SET?” and then press
3 Set the time.
Press /
press
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
seconds.
To run the DAB Automatic Scan
When you turn on the system for the rst time aer
you purchase the system, DAB Automatic Scan starts
automatically and creates a list of available services.
If you want to run the DAB Automatic Scan again,
perform the procedure below.
1 Press DAB AUTO SCAN
“Auto Scan?” and “Push Enter” appear.
2 Press (enter)
Scanning begins. “” appears. Depending on
the DAB services available in your area, scanning may
take a few minutes.
When scanning is complete, a list of available services
is created.
.
. If the current mode appears
repeatedly to select
(enter) .
repeatedly to set the hour, and then
(enter) . Use the same procedure to set the
. e clock is displayed for about 8
on the unit.
.
SECTION 2
GENERAL
Notes
If your country or region does not support DAB broadcast, “No
Service” appears.
Do not press any button on the unit or the remote during DAB
Automatic Scan. If scanning is interrupted, run the DAB Automatic
Scan again.
If you move to another area, repeat this procedure to store the
stations for your new area.
is procedure clears all previously stored presets.
Before unplugging the DAB antenna, make sure the system is turned
o to preserve your own DAB settings.
is tuner does not support data services.
To use the iPod
Insert an iPod Dock Adapter into the unit’s connector
before use.
For details on the supplied iPod Dock Adapters, refer to
the instructions supplied with the Dock Adapters.
To remove the iPod Dock Adapter, pull it up with your
ngernail or a at object using the slot inside the adapter.
Adjusting the sound
To adjust the volume
Press VOLUME +/ (or VOL +/ on the unit) .
To add a sound eect
ToPr es s
Generate a more dynamic
sound (Dynamic Sound
Generator X-tra)
Set the sound eect
Playing a CD/MP3 disc
1 Select the CD function.
Press FUNCTION +/ (or FUNCTION on the unit)
repeatedly.
2 Place a disc.
Press (open/close)
with the label side up on the disc tray.
To close the disc tray, press (open/close) on the
unit.
Do not force the disc tray closed with your nger, as
this may damage the unit.
3 Start playback.
Press (play) (or CD (play/pause) on the
.
unit)
ToPress
Pause playb ack
Stop playback
Select a folder on an
MP3 disc
Select a track or le
Find a point in a
track or le
Select Repeat Play
To change the play mode
Press PLAY MODE repeatedly while
stopped. You can select normal play (“
les in the folder on the disc), shue play (“SHUF” or
SHUF*”), or program play (“PGM”).
“
* When playing a CD-DA disc, (SHUF) Play performs the same
operation as normal (shue) play.
Notes on Repeat Play
All tracks or les on a disc are played repeatedly up to ve times.
“REP1” indicates that a single track or le is repeated until you stop
it.
Slot
on the unit.
DSGX
repeatedly to select
EQ
“BASS” or “TREBLE,” and
then press +/
to adjust the level.
(pause) (or CD (play/
pause) on the unit)
To resume play, press the button
again.
(stop) (or /CANCEL on the
unit)
+/ (select folder) .
/
.
Hold down / (rewind/
fast forward)
and release the button at the
desired point.
REPEAT
“REP” or “REP1” appears.
repeatedly
on the unit, and place a disc
.
.
(go back/go forward)
during playback,
repeatedly until
the player is
”
for all MP3
Notes on playing MP3 discs
Do not save other types of tracks or les or unnecessary folders on a
disc that has MP3 les.
Folders that have no MP3 les are skipped.
MP3 les are played back in the order that they are recorded onto
the disc.
e system can only play MP3 les that have a le extension of
“.MP3”.
If 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.
e maximum number of:
folders is 255 (including the root folder).
MP3 les is 511.
MP3 les and folders that can be contained on a single disc is 512.
folder levels (the tree structure of les) is 8.
Compatibility with all MP3 encoding/writing soware, 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
If 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.
A disc with a mixed CD format is recognized as a CD-DA (audio)
disc.
Listening to the radio
Before you can receive DAB, you must complete the
DAB Automatic Scan procedure (see “Before using the
system”).
1 Select “ TUNER DAB,” “TUNER FM” or “TUNER AM.”
Press FUNCTION +/ (or FUNCTION on the unit)
repeatedly. You can also select DAB directly by
pressing DAB AUTO SCAN
2 Select the tuning mode.
Press TUNING MODE
appears.
3 Tune in the desired station.
Press +/ (or TUNE +/ on the unit)
stops automatically when a station is tuned in, and
then “TUNED” and “STEREO” (for stereo programs
only) appear.
When you tune in a DAB station or an FM station that
provides RDS services, the service name or station
name appears on the display.
To stop automatic scanning (FM/AM bands
only)
Press (stop) (or /CANCEL on the unit) .
To tune in a station with a weak signal (FM/AM
bands only)
If “TUNED” does not appear and the scanning does not
stop, press TUNING MODE
and “PRESET” disappear, and then press +/ (or TUNE
+/ on the unit)
station.
To reduce static noise on a weak FM stereo
station
Press FM MODE repeatedly until “MONO” appears
to turn o stereo reception.
Notes on listening to DAB stations
When tuning in a DAB station, it may take a few seconds before you
hear any sound.
Primary service is automatically received when secondary service
ends.
on the unit.
repeatedly until “AUTO”
repeatedly until “AUTO”
repeatedly to tune in the desired
Playing the iPod
1 Select the iPod function.
Press FUNCTION +/ (or FUNCTION on the unit)
repeatedly.
2 Place the iPod.
3 Start playback.
Press (play) (or iPod (play/pause) on the
.
unit)
To control the iPod
You can control your iPod with the following buttons on
the remote or unit.
ToPr es s
Pause playb ack
Scroll up/down the
iPod menus
Select a track
or chapter of
audiobook/podcast
Choose the selected
item
(pause) (or iPod
(play/pause) on the unit)
.
(stop)
. You can scroll up or
/
down the iPod menus much like
the Click Wheel operations of
the iPod or the drag up-or-down
operations of the iPod touch.
(go back/go forward)
/
. To fast-forward or fast-
rewind, hold down the button.
/ (enter) (or ENTER on
the unit)
selected item much like the center
button on the iPod or the touch
operation of the iPod touch.
. Scanning
or
. You can choose the
This section is extracted
from instruction manual.
ToPress
Find a point in a
track or chapter of
audiobook/podcast
Return to the
previous menu or
select a menu
To use the system as a battery charger
You can use the system as a battery charger for the iPod
when the system is both on and o.
e charging begins when the iPod is placed on the unit’s
. e charging status appears in the iPod
connector
display. For details, see the user’s guide of your iPod.
To stop charging the iPod
Remove the iPod. If you stop charging the iPod when
the system is o, press DISPLAY
disappears in the display.
Notes
When placing or removing the iPod, handle the iPod in the same
angle as that of the iPod connector
or sway the iPod to prevent connector damage.
Do not carry the unit with an iPod set on the connector. Doing so
may cause a malfunction.
When placing or removing the iPod, brace the unit with one hand
and take care not to press the controls of the iPod by mistake.
Before disconnecting the iPod, pause playback.
While playing video, you cannot use /
rewind (fast forward) by holding down /
To change the volume level, use VOLUME +/ (or VOL +/ on the
unit)
. e volume level does not change even if adjusted on the
iPod.
is system is designed for iPod only. You cannot connect any other
portable audio players.
To use an iPod, refer to the user’s guide of your iPod.
Sony cannot accept responsibility in the event that data recorded to
iPod is lost or damaged when using an iPod with this unit.
(fast rewind/fast
/
during playback, and
forward)
release the button at the desired
point.
/TOOL MENU /
(return) . You can return to the
previous menu or select a menu
much like the Menu button on
the iPod or the touch operation
of the iPod touch.
on the unit and do not twist
until the clock
. You can fast
.
Changing the display
ToPr es s
Change
information on the
display
Check the clock
when the system
2)
is o
1)
For example, you can view CD/MP3 disc information, such as;
track or le number during normal play.
track or le name (“
artist name (“
album or folder name (“
total playing time while the player is stopped.
You can also view DAB station information such as the service
name, channel label, preset number, frequency, DLS (Dynamic Label
Segment), or ensemble label.
2)
e clock is displayed continuously while the iPod is being charged.
To turn o the clock display, press DISPLAY
charging the iPod”).
3)
e STANDBY indicator on the unit lights up when the system is
o.
Notes on the display information
Characters that cannot be displayed appear as “_”.
e following are not displayed:
total playing time for a CD-DA disc depending on the play mode.
total playing time and remaining playing time for an MP3 disc.
e following are not displayed correctly:
folder and le names that do not follow either ISO9660 Level1,
Level 2 or Joliet in the expansion format.
e following is displayed:
ID3 tag information for MP3 les when ID3 version 1 and version
2 tags are used (up to 62 characters).
up to 8 characters of service name, up to 128 characters of DSL
(Dynamic Label Segment) and up to 16 characters of ensemble
label.
DISPLAY repeatedly when the
system is on.
1)
DISPLAY when the system is
3)
o
seconds.
”) during normal play.
”) during normal play.
. e clock is displayed for 8
”) during normal play.
(See “To stop
Using optional audio components
To connect an optional headphones
Connect headphones to the PHONES jack on the
unit.
To connect an optional component
Connect additional audio component to the AUDIO
on the unit using an audio analog cord (not
IN jack
supplied). Turn down the volume on the system, and
then select the AUDIO IN function.
4
Page 5
Other Operations
HCD-BX70DBi
Creating your own program
(Program Play)
1 Press FUNCTION +/ (or FUNCTION on the unit)
repeatedly to select the CD function.
2 Press PLAY MODE
while the player is stopped.
3 Press /
track or le number appears.
When programming les, press
to select the desired folder, and then select the desired
le.
4 Press (or ENTER on the unit)
or le to the program.
“.” 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 (or
CD on the unit)
e program remains available until you open the disc
tray. To play the same program again, press (or
CD on the unit)
To cancel Program Play
Press PLAY MODE repeatedly until “PGM”
disappears while the player is stopped.
To delete the last track or le of the program
Press CLEAR while the player is stopped.
repeatedly until “PGM” appears
repeatedly until the desired
Selected track or le
number
.
.
+/ repeatedly
Total playing time of program
(including selected track
or le)
to add the track
Presetting radio stations
You can preset your favorite radio stations and tune
them in instantly by selecting the corresponding preset
number.
Use buttons on the remote to preset stations.
1 Tune in the desired station (See “Listening to the
radio”).
2 Press TUNER MEMORY
3 Press +/
preset number.
If another station is already assigned to the selected
preset number, the station is replaced by the new
stations.
4 Press
5 Repeat steps 1 through 4 to store other stations.
You can preset up to 20 DAB, 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
then press +/
preset number.
Note on presetting DAB stations
You can preset a DAB service only when it can be received.
.
Preset number
repeatedly to select your desired
.
repeatedly until “PRESET” appears, and
repeatedly to select the desired
Using the Timers
e system oers two timer functions. If you use the Play
Timer with the Sleep Timer, the Sleep Timer has priority.
Use buttons on the remote to use the timer functions.
Sleep Timer:
You can fall asleep to music. is function works even if
the clock is not set.
Press SLEEP
system automatically turns o aer the current disc stops
or in 100 minutes.
Play Timer:
You can wake up to CD, tuner or iPod at a preset time.
Make sure you have set the clock.
1 Prepare the sound source.
2 Press TIMER MENU
3 Press
4 Set the time to start playback.
5 Use the same procedure as in step 4 to set the time
6 Select the sound source.
7 Press
To activate or check the timer again
1 Press TIMER MENU
2 Press
3 Press
To cancel the timer
Repeat the same procedure as above until “TIMER
OFF?” appears in step 3, and then press
To change the setting
Start over from step 1.
Note on the iPod touch user
e Play Timer may not be activated depending on the status of the
connected iPod touch.
Tip
e Play Timer setting remains as long as the setting is not canceled
manually.
repeatedly. If you select “AUTO,” the
Prepare the sound source, and then press VOLUME
to adjust the volume.
+/
To start from a specic track or le, create your own
program.
then press
“ON” appears, and the hour indication ashes.
Press /
press
e minute indication ashes. Use the procedure
above to set the minutes.
to stop playback.
Press /
source appears, and then press
shows the timer settings.
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.
“TIMER SEL?” ashes in the display.
press
.
repeatedly to select “PLAY SET?,” and
/
.
repeatedly to set the hour, and then
.
repeatedly until the desired sound
to turn o the system.
.
.
repeatedly to select “PLAY SEL?,” then
/
.
. e display
.
5
Page 6
HCD-BX70DBi
DISASSEMBLY
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
SET
3-2. PANEL (SIDE L/R)
(Page 7)
3-3. TOP PANEL BLOCK
(Page 7)
SECTION 3
3-5. FRONT PANEL BLOCK
(Page 8)
3-12. LOADING MECHANISM
BLOCK
(Page 12)
3-13. BASE UNIT
(Page 12)
3-14. BELT
(Page 13)
3-15. OP BASE ASSY (KSM-213D)
(Page 13)
3-6. REAR PANEL BLOCK
(Page 9)
3-8. AMP BOARD BLOCK
(Page 10)
3-10. MAIN BOARD
(Page 11)
3-4. TOP KEY BOARD,
IP BOARD, PANEL TOP (IP)
(Page 8)
3-9. POWER BOARD BLOCK
(Page 10)
3-11. DAB BOARD,
MODULE (DAB TUNER)
(Page 11)
3-7. PANEL (REAR)
(Page 9)
6
Page 7
Note: Follow the disassembly procedure in the numerical order given.
3-2. PANEL (SIDE L/R)
panel (side L)
two screws
(BVST3 × 6)
screw
(BVTP3 × 10)
HCD-BX70DBi
screw
(BVTP3 × 10)
panel (side R)
3-3. TOP PANEL BLOCK
screw
(BVTT3 × 6)
screw
(PWH3 × 6)
connector
(CN325)
connector
(CN322)
top panel block
two screws
(BVST3 × 6)
five screws
(BVTP3 × 10)
screw
(PWH3 × 6)
screw
(BVTT3 × 6)
7
Page 8
HCD-BX70DBi
3-4. TOP KEY BOARD, IP BOARD, PANEL TOP (IP)
panel top (IP)
RI
button (function)
button (function B)
button (tune)
button (enter)
connector
TOP KEY board
RT
(CN101)
base (IP) assy
RH
escutcheon
RB
four screws
RG
(BVTP2.6 )
four screws
(BVTP2.6)
3-5. FRONT PANEL BLOCK
(BVTP2.6)
screw
(BVTT3 × 6)
five screws
button
(VOL)
two screws
(PWH2.6 × 10)
IP board
RE
four screws
(PTP2 × 5)
HOLD board
flexible flat cable (13 core)
(CN306)
front panel block
two screws
(BVST3 × 6)
8
Page 9
3-6. REAR PANEL BLOCK
rear panel block
fan motor connector (CN313)
flexible flat cable (11 core)
(CN310)
two screws
(BVTP3 × 10)
three screws
(BVST3 × 6)
HCD-BX70DBi
3-7. PANEL (REAR)
D.C. fan
(M901)
panel (rear)
two screws
(BVTP3 × 16)
plate
(GND TU)
tuner (FM/AM)
two feet (felt)
two screws
(BVST3 × 6)
flexible flat cable (11 core)
9
Page 10
HCD-BX70DBi
3-8. AMP BOARD BLOCK
flexible flat cable (7 core)
(AMP board: CN308/MAIN board: CN309)
two screws
(BV3)
AMP board block
connector (CN312)
connector (CN320)
3-9. POWER BOARD BLOCK
four screws
POWER board block
connector (CN904)
screw
(BV3)
coating clip
power cord connector (CN901)
10
Page 11
3-10. MAIN BOARD
flexible flat cable (5P)
(CN311)
flexible flat cable (21 core)
(CN305)
two screws
(BVTT3 × 6)
flexible flat cable (11 core)
(CN326)
connector
(CN316)
connector
(CN904)
HCD-BX70DBi
MAIN board
3-11. DAB BOARD, MODULE (DAB TUNER)
two screws
(BVTP3 × 8)
DAB board
module (DAB tuner)
Remove two solders.
flexible flat cable
(DAB board: CN801/MAIN board: CN326)
connector pin 2P
DAB cable connector
11
Page 12
HCD-BX70DBi
3-12. LOADING MECHANISM BLOCK
holder (CD)
three screws
(BV3)
loading mechanism block
door CD
two screws
(BVTP2.6)
3-13. BASE UNIT
flexible flat cable (5 core)
(CN001)
flexible flat cable (21 core)
(CN201)
two floating screws
two springs (insulator)
insulator
floating screw
insulator
flexible flat cable (21 core)
(CN305)
flexible flat cable (5 core)
(CN311)
insulator
two floating screws
two springs
(insulator)
insulator
base unit
12
loading (BK) assy
– Bottom view –
Page 13
3-14. BELT
HCD-BX70DBi
position of belt
belt
belt
claw
tray (AU)
3-15. OP BASE ASSY (KSM-213D)
claw
op base assy
(KSM-213D)
Remove four solders.
flexible flat cable (16 core)
(CN301)
CD board
13
Page 14
HCD-BX70DBi
SECTION 4
TEST MODE
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 [x/CANCEL], [VOL +] and [?/1] simultaneously.
2. The system is reset and becomes standby states.
COMMON TEST MODE
This mode is used to check operations of amplifi er.
Procedure:
1. Press the [
2. Press three buttons of [TUNER/BAND], [x/CANCEL] and
[ENTER] simultaneously.
3. When the COMMON test mode is activated, “AUDIO IN” is
displayed on the liquid crystal display and “cPLAY SLEEP”
blink on the fl uorescent indicator tube.
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 fl uorescent indicator tube. Press the [VOL +] button,
“VOLUME MAX” is displayed on the fl uorescent indicator
tube.
6. To release this mode, press the [
PANEL TEST MODE
This mode is used to check the liquid crystal display, LED, model,
destination, software version and key.
Procedure:
1. Press the [?/1] button to turn the power on.
2. Press three buttons of [TUNER/BAND], [DSGX] and [ENTER] simultaneously.
3. All segments on the fl uorescent indicator tube, [STANDBY]
LED light up.
4. Press the [ENTER] button, the model and destination are alternately displayed on the fl uorescent indicator tube.
5. Press the [ENTER] button again, MC version is displayed on
the fl uorescent indicator tube.
6. Each time [ENTER] button is pressed, the display changes
starting from MC version, GC version, CLA version, CD version, CDD version, CDMA version, CDMB version, BDA version, BDB version, ST version, TA version and TM version
this order, and returns to the MC version display.
7. When [x/CANCEL] button is pressed while the MC version
is displayed, year, month and day of the software creation is
displayed. When [x/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 fl uorescent indicator tube.
9. Each time a button is pressed, “K” value increases. However,
once a button is pressed, it is no longer taken into account.
All keys are pressed, display becomes “K19”.
10. Press the [VOL +] button, the key AD monitor mode is activated and “FFFFFF” is displayed on the fl uorescent indicator
tube.
11. Each time a button is pressed, the AD of each button is displayed on the fl uorescent indicator tube.
12. To release this mode, press three buttons in the same manner as
step 2, or disconnect the power cord.
] button to turn the power on.
?/1
?/1
] button.
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 [?/1] button to turn the power on.
2. Press the [FUNCTION] button to select “CD”.
3. Press three buttons of [DSGX], [VOL +] and [
ously.
4. After the “STANDBY” display blinks, “LOCK” is displayed
on the fl uorescent indicator tube, the ship mode is set.
CD SHIP MODE & MEMORY CLEAR
This mode is used to perform CD ship mode and cold reset simultaneously.
Procedure:
1. Press the [
2. Press three buttons of [
taneously.
3. After the “STANDBY” display blinks, “LOCK” is displayed
on the fl uorescent indicator tube 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 [
2. Press the [
3. Press the [
4. Press the [FUNCTION] button to select “CD”.
5. Press two buttons of [x/CANCEL] and [A] for 5 seconds.
6. The message “LOCKED” is displayed on the fl uorescent indi-
cator tube and the disc tray is locked. (Even if pressing the Z
button, the message “LOCKED” is displayed on the fl uores-
cent indicator tube and the disc tray is locked)
7. To release from this mode, press two buttons of [x/CANCEL]
and [A] for 5 seconds.
8. The message “UNLOCKED” is displayed on the fl uorescent
indicator tube and the disc tray is unlocked.
CD POWER MANAGE
This mode is used to changed over CD power on/off for decreasing
of reception noise in the tuner mode.
Procedure:
1. Press the [?/1] button to turn the power on.
2. Press the [FUNCTION] button to select “CD”.
3. Press the [?/1] button again to turn the power off.
4. Press two buttons of [x/CANCEL] and [?/1] simultaneously.
5. The message “CD POWER”, “ON” or “CD POWER”, “OFF”is
displayed on the fl uorescent indicator tube, and CD power on/
off is changed over in the tuner mode.
] button to turn the power on.
?/1
/CANCEL], [VOL +] and [A] simul-
x
] button to turn the set on.
?/1
] button to open the disc tray and set the CD disc.
A
] button to close the disc tray.
A
] simultane-
A
14
Page 15
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 [?/1] button to turn the power on.
2. Press the [FUNCTION] button to select “CD”.
3. Press three buttons of [x/CANCEL], [VOL –] and [A] simultaneously, the message “SERVICE MO” is displayed on the
fl uorescent indicator tube.
4. Press the [l m TUNE –] button to move the optical pickup to inside track and the message “SLED IN” is displayed on
the fl uorescent indicator tube, or press the [M L TUNE
+] button to outside track and the message “SLED OUT” is
displayed on the fl uorescent indicator tube.
5. Press the [CD u] button, “LD ON” or “LD OFF” is displayed
on the fl uorescent indicator tube. Each time [CD u] button is
pressed, laser diode on/off is changed over.
6. To release this mode, press the [
?/1
] button.
HCD-BX70DBi
15
Page 16
HCD-BX70DBi
SECTION 5
ELECTRICAL CHECKS
TUNER SECTIONCD SECTION
FM TUNE LEVEL CHECK
signal
generator
set
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. Confi rm “TUNED” is lit on the display for A, B and C sig-
nals.
When the selected station signal is received in good condition,
“TUNED” is displayed.
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 specifi ed value with the following checks.
5. Check the focus bias check when optical pick-up block is replaced.
FOCUS BIAS CHECK
oscilloscope
(DC range)
CD board
TP121 (RFI)
TP124 (VC)
+
–
Procedure:
1. Connect oscilloscope to TP121 (RFI) and TP124 (VC) on the
CD board.
2. Press the [
3. Set disc (YEDS-18) on the disc tray and press the [CD
] button to turn the power on.
?/1
u
button to playback.
4. Confi rm that oscilloscope waveform is as shown in the fi gure
below. (eye pattern)
A good eye pattern means that the diamond shape (◊) in the
center of the waveform can be clearly distinguished.
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
]
Checking Location:
– CD Board (Conductor Side) –
TP124
(VC)
TP121
(RFI)
IC101
level:
1.2 ± 0.3 Vp-p
16
Page 17
HCD-BX70DBi
HCD-BX70DBi
1717
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
3RFRPRFZI
76TEiTEZi
83RFEQo81 RFi
82 RFRPi
30LO
27RO
38BUS0
R-CH
94 FNi2 (C)
96 FPi2 (D)
100 TNi (E)
98 TPi (F)
91 LDo92MDi
2VO1+
1VO1–
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
9FMO
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
24
XO
23
XI
X102
16.9344MHz
60 CD DRIVER MUTE
LOADING
MOTOR DRIVE
IC311
CDM LOAD IN
85
CDM LOAD OUT
CDM SW (OPEN)
CDM SW (CLOSE)
84
88
87
M
A
CD-L
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
VCC
A
B
C
D
E
F
LD
PD
SP+
VC
SP–
SL+
SL–
T+
T–
F+
F–
3 CD BUS0
39BUS12 CD BUS1
40BUS2 (SO)1 CD BUS2
70 CD CLK
41BUS3 (SI)
100
CD BUS3
42BUCK (CLK)
69 CD CCE
43XCCE
54SBSY
48PIO0
68 MP3 IREQ
19 SBSY
37XRST
59 CD RESET
S001
DISC TRAY
OPEN/CLOSE DETECT
OPEN
CLOSE
M001
(LOADING)
(Page 19)
Page 18
HCD-BX70DBi
HCD-BX70DBi
1818
6-2. BLOCK DIAGRAM - iPod, TUNER, DAB Section -
37 AUDIO_MUTE
iPod INTERFACE
IC101
78 CLINK_RX_DIN
SYSTEM CONTROLLER
IC301 (2/4)
CN102
(iPod)
27
28
18
L-CH
R-CH
LINE-OUT-L
LINE-OUT-R
24 TXD_iPod
RXD
19
23 RXD_iPod
TXD
30
46
DGND
8
8 RESET
VBUS +5V
VBUS
B
iPod-L
MUTING
CONTROL
SWITCH
Q106
RESET SIGNAL
GENERATOR
IC103
MUTING
Q103, 105
E
TUNER-L
F
DAB-L
28TXD_DMPORT
77 CLINK_TX_DOUT29RXD_DMPORT
73 NC
DETECT
9
XOUT
11
XIN
X101
20MHz
TUNER (FM/AM)
AM
FM ANT
AM ANT
L OUT
R OUT
DO/STEREO
R-CH
ST DIN
ST CLK
ST CE
FM 75 Ω
COAXIAL
ANTENNA
26 DATA IN/STEREO
TUNED
6 TUNER TUNED
RDS CLK
18 RDS INT
RDS DATA
7 RDS DATA
28 ST DATA OUT
27 ST CLK
25
DAB TUNER MODULE
AUDL
AUDR
S1_DIN
R-CH
S1_DOUT
ANTENNA
DAB 75 Ω
47
48
ST CE
DAB TXD
DAB RXD
: TUNER (FM/AM)
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: DAB
: AUDIO
D104
D102
LINE AMP
IC303
: iPod
LINE AMP
IC803
(Page 19)
(Page 19)
(Page 19)
Page 19
HCD-BX70DBi
HCD-BX70DBi
1919
6-3. BLOCK DIAGRAM - MAIN Section -
AUDIO IN
R-CH
J301
CD-L
A
DAB-L
F
TUNER-L
E
iPod-L
B
PROTECT
J
10
3
1
26
SDA25SCL
AMP DATA
24
AMP CLOCK
22
INH
40
SEL A
39
TA LINE MUTE
23
OUT1
INPUT SELECTOR,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
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)
D1
5
C1
SEL1
VOL1
B1
A1
INPUT SELECTOR
IC312
A
13
14
12
10
X1
X0
Q319
INH
6
Q320
X
11
MUTING
Q103
R-CH
23
MUTING
CONTROL
SWITCH
Q340, 341
: DAB
POWER AMP
IC601
11 CH1 IN
10
MONITOR
CH1 OUT+
4
CH1 OUT–
5
13
STBY
J500
R-CH
PHONES
SPEAKER
+
–
–
+
R
L
J302
DC
DETECT
Q342 – 344
POWER
MONITOR
Q345
M901
(FAN)
+9V
MM
AC DET
K
D313
STK-ON
53
FAN MOTOR
DRIVE
Q316, 317
FAN MOTOR
DETECT
Q307, 347, 348
: iPod
7
(Page 17)
(Page 18)
(Page 18)
(Page 18)
(Page 20)
(Page 20)
Page 20
HCD-BX70DBi
HCD-BX70DBi
2020
6-4. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
SIRCS
4
SYSTEM CONTROLLER
IC301 (4/4)
(AC IN)
T902
SUB POWER
TRANSFORMER
RY901
T901
MAIN POWER
TRANSFORMER
RECT
D911 – 914
D923D922
D330
D920
PROTECT
D332D322
D318, 321
D303
D804, 805
AMP B+
F901
F902
TO
POWER AMP
AMP B–
+9V
REGULATOR
IC305
REGULATOR
Q304 - 306
UNREG SUB
UNREG SUB
SYS +3.3V
+9V
RECT
D907, 908
EVER +3.3V
RESET SIGNAL
GENERATOR
IC310
RELAY
DRIVE
Q315
LF901
LINE
FILTER
TUNER, DAB +9V
5STBY-RELAY
20AC CUT
66I-POWER MONITOR
12RESET
REMOTE CONTROL
RECEIVER
IC901
X301
32.768kHz
11
10
XCOUT
INOUT
13
15
X302
5MHz
XOUT
XIN
S801, 803 – 807,
S809 – 821
(FRONT PANEL KEYS)
KEY1 – KEY3
RESET
SWITCH
Q309
AC DETECT
Q301
B+ SWITCH
Q312, 313
VM +7V
RECT
D924 – 927
+5V
REGULATOR
IC306
VBUS POWER
ON/OFF SWITCH
IC201
VBUS +5V
DAB +3.3V
DAB +1.2V
+3.3V
REGULATOR
IC801
+1.2V
REGULATOR
IC802
IP +3.3V
+3.3V
REGULATOR
IC102
CD +1.5V
+1.5V
REGULATOR
IC201
KEY WAKE UP
74
D774
STANDBY
D902
STANDBY LED
89
LED DRIVE
Q901
57CD ON
94X5V FLAG
80DMPORT POWER
52
51DAB-POWER 1.2V
DAB-POWER 3.3V
AVDD +3.3V
DVDD +3.3V
+3.3V
REGULATOR
Q302, 303,
Q390, 392
RECT
D916 – 919
AC DET
K
PROTECT
J
+9V +4V
VOLTAGE
DETECT
Q393
PROTECT
DETECT
Q333, 338
VFL
FL901
FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
RECT
D904, 905
OSC
Q903
GRID DRIVE
Q905
90
91
93
92
FL RESET
FL CS
FL SCLK
FL SD
RSTB
CSB
CLKB
DIN
GR1AD2, AD1 SG5 – SG35,
SG1 – SG4
GR2 – GR11
FLUORESCENT
INDICATOR TUBE DRIVER
IC902
+9V
52
32
53
54
55
1 – 31, 61 – 6433 – 42
59, 60
81 – 83
+9V
REGULATOR
IC307
(Page 19)
(Page 19)
Page 21
HCD-BX70DBi
HCD-BX70DBi
2121
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : internal component.
• 2 : nonfl ammable resistor.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD board –
no mark : CD PLAY
– DAB board –
no mark : DAB
– IP board –
no mark : iPod
– Other boards –
no mark : TUNER (FM/AM)
( ) : CD PLAY
[ ] : iPod
< > : DAB
• Voltages are taken with VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F : AUDIO
f : TUNER (FM/AM)
J: CD PLAY
O : iPod
L : DAB
h : AUDIO IN
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• f : internal component.
• : Pattern from the side which enables seeing.
• Indication of transistor.
CEB
These are omitted.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Circuit Boards Location.
C
Q
B
E
These are omitted.
TOP KEY board
PANEL board
IP board
POER board
AMP board
MAIN board
9VREG board
5VREG board
DAB board
CD board
MOTOR board
HP board
Page 22
HCD-BX70DBi
6-5. PRINTED WIRING BOARDS - CD Section -
123456789
A
CD BOARD (COMPONENT SIDE)
B
C401
C405
C
R212
R211
D
C207
IC201
5
C206
314
R201
E
C202
C204
C201
C205
X102
C115
R112
R111
C133
R155
C130
C128
• See page 21 for Circuit Boards Location.
C106
C306
R303
R302
E
C309
Q301
C307
R301
R304
1-872-135-
• : Uses unleaded solder.
CD BOARD (CONDUCTOR SIDE)
C125
TP124
(VC)
C122
C123
R142
R151
TP121
(RFI)
C144
C148
C149
11
(11)
C124
R140
R136
R135
R143
C138
C137
C140
C139
C141
C142
R144
C146
C143
C147
R146
R148
C150
C145
R134
C105
C104
C118
R139
R130
C100
R145
R147
R149
R150
R129
76
C117
CN301
M
C136
R126
R127
R128
R125
C107
C112
IC101
100
1
C101
C120
C119
M401
(SPINDLE)
C403
R405
M402
(SLED)
R402
S201
(LIMIT)
C404
28222115
IC401
M
R118
C153
R114
C102
C103
C126
C127
161
R120
5175
25
C113
R101
R102
C303
17 814
R415
R414
C108
R113
50
R210
R110
R209
C110
R218
R219
R220
R153
R221
R222
C116
R223
C301
C302
26
R106
C109
R154
R104
C132
R105
R156
R108
R157
R408
R208
R207
R206
R205
R204
R203
C151
C152
21
R202
1
CN201
A
MAIN
BOARD
CN305
(Page 28)
HCD-BX70DBi
F
OPTICAL PICK-UP BLOCK
(KSM-213DCP)
1-872-135-
11
(11)
MOTOR BOARD
K
MAIN BOARD
CN311
(Page 28)
G
CN001
M
M001
(LOADING)
S001
DISC TRAY
OPEN/CLOSE
DETECT
OPEN
5CLOSE
1-866-548-
21
(21)
2222
Page 23
HCD-BX70DBi
Ver. 1.2
6-6. SCHEMATIC DIAGRAM - CD Board -
CN301
16P
OPTICAL
PICK-UP
BLOCK
(KSM-213DCP)
M401
(SPINDLE)
M
M402
(SLED)
M
SP-
SP+
SL+
SL-
• See page 24 for waveforms. • See page 38 for IC Block Diagrams. • See page 40 for IC Pin Function Description.
R127
0
0
R126
R125
0
470k
C112C108
0.10.1
R128
IC101
CD-MP3 PROCESSOR
IC101
TC94A70FG-006
C117
0.022
0.022
0
C119
R151
0.1
C120
0.01
C102
C123
470p
C122
470p
C101
0.1
C153
R120
0
R118
100k
220
R101
0.0022
C127
0.0047
0.1
C124
C126
0.1
0.0047
C113
C125
C103
0.1
R114
0.1
10k
10k
R113
0.1
C133
R112
100
R111
R110
10k
0.1
C110
R153
1M
R155
47
0.1
C116
R154
1M
R108
0
32
1k
R105
1M
R106
X102
16.9344MHz
5p
C128
R102
10k
5p
C130
C132
0.1
R104
0
C301
0.1
C303C302
1010
C405
0.1
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
AUTOMATIC POWER
C404
0.1
IC401
BA5826SFP-E2
IC401
Q301
2SA2119K
CONTROL
C403
C107
C136
0.1
47p
R142 R139
22k 47k
R143
47k
C306
R303
R301
100
C307
2.2
100k
10V
1
R304
2.2
R302
31
0
C309
0.001
0.1
470p
C138
C137
0.01
C100
0.1
0.01
C139
C106
0.01
C140
100
10V
TP121 (RFI)
0.0022
C141
0.1
C142
TP124 (VC)
C105
0.1
22k
R144
C143
0.01
C144
0.1
C146
470p
C145
0.01
C148
47p
0.1
C147
C149
22p
C104
0.1
R145
0
R146
0
R147
0
R148
0
R149
0
0.001
C150
R150
0
R405
10k
R402
2.2k
R129
1k
R134
R140
R130
1M
0
4.7k
R136 R135
22k 470k
C118
0.01
CN201
21P
R211
R212
100
R210
R209
R218
100k
R219
100k
R220
R221
R222
R157
100
R156
100
C205
0.1
TK63115SCL-G@GT
IC201
+1.5V REGULATOR
C204
0.1
R223
C151
IC201
100
IC B/D
C207
1
C115
22
6.3V
C201
100
10V
C109
0.1
C202
100
10V
R208
R207
100k
R206
R205
100k
R204
100k
R203
100k
C206
1
470p
C152
470p
R201
0
R202
0
100
100
100
100
100
100
100
100
100
S201
(LIMIT)
A
MAIN
BOARD(1/3)
CN305
(Page 29)
HCD-BX70DBi
SPSP+
IC B/D
R414
4.7k
SL+
SL-
R408
2.2k
C401
R415
220
47k
10V
2323
Page 24
HCD-BX70DBi
• Waveforms
IC101 JB (RFi)
FB
(CD play mode)
200 mV/DIV, 500 ns/DIV
IC101 XG (XO)
FT
(CD play mode)
59.1 ns
1 V/DIV, 20 ns/DIV
0.5 to 1.3 Vp-p
3.3 Vp-p
- IP Board -- CD Board -
IC101 (XOUT)
XB
1 V/DIV, 20 ns/DIV
- MAIN Board -
IC301 RB (XCOUT)
30.6 µs
1 V/DIV, 100 ns/DIV
IC301 RE (XOUT)
200 ns
50 ns
1.7 Vp-p
2.8 Vp-p
3.1 Vp-p
- PANEL Board -
IC902 U (OSCI)
RB
1.3 µs
1 V/DIV, 1 µs/DIV
Q903 (Collector)
RT
11. 2 µs
20 V/DIV, 5 µs/DIV
Q903 (Base)
RE
11. 2 µs
2 V/DIV, 5 µs/DIV
1.7 Vp-p
32 Vp-p
3.2 Vp-p
6-7. PRINTED WIRING BOARD - DAB Board -
• See page 21 for Circuit Boards Location.
• : Uses unleaded solder.
12345
DAB BOARD
A
CN801
C812
R832R830
C834
JW802
R818
R817
R815
R816
R814
R810
C814
B
R804
R806
R808
C825
JW804
JW806
R825
R811
C805
C
C813
R826
JW807
C817
R813
C818
R803
IC803
29
30
C827
C811
C833
R805
D
DAB TUNER
MODULE
IC802
R807
CN800
JW805
R809
13
45
ANTENNA
DAB 75Ω
R801
C808
C802
B
C807
(Page 28)
MAINT BOARD
CN326
R802
D804
D805
C823
C803
FB802
IC801
45
13
R800
C821
1
2
C820
C806
C804
C824
JW808
JW801
FB801
W801
C828
1-876-414-
11
(11)
HCD-BX70DBi
1 V/DIV, 100 ns/DIV
2424
Page 25
HCD-BX70DBi
6-8. SCHEMATIC DIAGRAM - DAB Board -
R818
CN801
11P
(Page 31)
AGND
DAB_R
AGND
DAB_L
DAB9V
3.3V_ON
S1DO
S1DI
1.2V_ON
5V
DGND
• See page 38 for IC Block Diagrams.
R803
0
R815
1k
47k
R817
47k
R816
1k
R800
10k
R801
47k
C825
R804
0
0.1
R809
C811
220p
VDD
R806
22k
C812C813C814
220p220p220p
0
C828
R802
4700
4.7k
10V
R805
22k
R807
22k
R811
22k
LINE AMP
GND
IC803
NJM4558M-
TE2
R813
22k
R814
22k
R810
22k
R808
22k
R826
4.7k
CONT
VI
VO
GND
NOISE
+3.3V
REGULATOR
IC801
TK11133CSCL
C803C806C804
0.220.011
R825
4.7k
C805
100
16V
D804
1N4002-B5
D805
1N4002-B5
FB801
C833
1
50V
C817
1
50V
C818
1
50V
C834
1
50V
C827
1
R832
100
0
C823
220
10V
C820
0.1
+1.2V
REGULATOR
IC802
TK68112AS2G0L-C
CN800
30P
C802
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
NC
OUT
CE
VDD
GND
1
C808
1
C807
ANTENNA
DAB 75Ω
DAB TUNER
MODULE
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
FB802C821
00.1
R830
100
C824
220
0.1
10V
HCD-BX70DBi
2525
Page 26
HCD-BX70DBi
6-9. PRINTED WIRING BOARD - IP Board -
12345678910
IP BOARD (SIDE A)
A
1
C
MAIN BOARD
CN325
B
(Page 28)
C
R139
R140
C114
Q105
E
CN101
10
R143R144
E
Q104
C115
R136
• See page 21 for Circuit Boards Location.
C102
K
C109
C118
R103
R104
D104
R105
1
3
C101
C103
X101
A
E
C108
Q106
5
4
IC102
R122
C119
R118
IC103
1
2
C105
5240
3
4
1
R132
R117
13
14
C120
R135
IC101
A
D102
K
R150
R115
• : Uses unleaded solder.
39
X101
27
26
R114
R146
IP BOARD (SIDE B)
D
R147R148
R142
E
R138
Q103
R141
E
Q102
R137
R101
R102
30
E
R149
C111
CN102
(iPod)
1
R107
R109
R110
C104
R112R113
R108
R111
R106
1-876-184-
(11)
11
1-876-184-
11
(11)
• Semiconductor Location
Ref. No. Location
D102 C-4
D104 B-3
IC101 B-4
IC102 A-3
IC103 A-4
Ref. No. Location
Q102 E-2
Q103 E-1
Q104 C-2
Q105 C-1
Q106 B-3
HCD-BX70DBi
2626
Page 27
HCD-BX70DBi
6-10. SCHEMATIC DIAGRAM - IP Board -
1
IP BOARD
A
B
C
D
E
USB D+
USB D-
ACC ID
ACC PWR
RESERVED
RESERVED
ACC DET
S-VIDEO-Y
S-VIDEO-C
VIDEO-OUT
REMOTE SENSE
LINE-IN-L
LINE-IN-R
LINE-OUT-L
LINE-OUT-R
DGND
DGND
TPA+
TPA-
TPB+
VBUS
TPB-
PWR+
PWR+
DGND
DGND
RXD
TXD
A-GND
DGND
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
CN102
30P
(iPod)
CL109
CL150
CL103
CL149
CL104
CL148
CL102
CL147
CL105
CL146
CL145
CL144
CL143
CL142
CL141
CL140
CL139
CL138
CL137
CL110
CL111
CL106
CL112
R112
220k
R136
100
F
CN101
10P
CL113
1
2
CL115
3
CL116
4
5
CL118
6
7
CL120
8
9
10
G
H
C
MAIN
BOARD
(3/3)
CN325
(Page 31)
PGND
VBUS 5V
RXD
TXD
L-
L+
R-
R+
SHIELD
DETECT
• See page 24 for waveforms. • See page 38 for IC Block Diagrams. • See page 40 for IC Pin Function Description.
• IC Pin Function Description
CD BOARD IC101 (CD-MP3 PROCESSOR) TC94A70FG-006
Pin No.Pin NameI/ODescription
1AVSS3-Ground terminal
2RFZiIRF ripple zero crossing signal input terminal
3RFRPORF ripple signal output terminal
4SBAD/RFDCOSub beam addition signal or RF peak detection signal output terminal Not used
5FEiOFocus error signal output terminal Not used
6TEiOTracking error signal output terminal
7TEZiITracking error zero crossing signal input terminal
8AVDD3-Power supply terminal (+3.3 V)
9FOoOFocus coil drive signal output terminal
10TRoOTracking coil drive signal output terminal
11VREFIReference voltage (+1.65V) input terminal
12FMoOSled motor drive signal output terminal
13DMoOSpindle motor drive signal output terminal
14VSSP3-Ground terminal
15VCOiIVCO control voltage input terminal
16VDDP3-Power supply terminal (+3.3 V)
17VDD1-Power supply terminal (+1.5 V)
18VSS-Ground terminal
19FGiNIFG signal input terminal Not used
20IO0 (/HSO)IDisc inner position detection signal input terminal
21IO1 (/UHSO)ONot used
22XVSS3-Ground terminal
23XIISystem clock input terminal (16.9344 MHz)
24XOOSystem clock output terminal (16.9344 MHz)
25XVDD3-Power supply terminal (+3.3 V)
26DVSS3-Ground terminal
27ROOAudio data (R-ch) output to the input selector
28DVDD3-Power supply terminal (+3.3 V)
29DVROReference voltage (+1.65V) output terminal
30LOOAudio data (L-ch) output to the input selector
31DVSS3-Ground terminal
32VDDT3-Power supply terminal (+3.3 V)
33VSS1-Ground terminal
34VDD1-Power supply terminal (+1.5 V)
35VDDM1-Power supply terminal (+1.5 V)
36SRAMSTBIS-RAM standby mode control signal input terminal Fixed at "L" in this set
37XRSTIReset signal input from the system controller "L": reset
38, 39BUS0, BUS1ISerial data input from the system controller
40BUS2 (SO)ISerial data input from the system controller
41BUS3 (SI)ISerial data input from the system controller
42BUCK (CLK)ISerial data transfer clock signal input from the system controller
43XCCEIChip enable signal input from the system controller
44TESTISetting terminal for test mode Normally fi xed at "L"
45IRQIInterrupt request signal input terminal Not used
46AoUT3 (PO4) ORequest signal output terminal Not used
47AoUT2 (PO5)OAudio data output terminal Not used
48PIO0ORequest signal output to the system controller
49, 50PIO1, PIO2ONot used
51PIO3IGate signal input terminal Not used
52VSS1-Ground terminal
53VDDT3-Power supply terminal (+3.3 V)
54SBSYOSubcode block sync signal output to the system controller
55SBOK/FOKONot used
56IPFONot used
40
Page 41
HCD-BX70DBi
Pin No.Pin NameI/ODescription
57SFSY/LOCKONot used
58ZDETOZero detection signal output terminal Not used
59GPININot used
60MSIMicrocomputer interface mode selection signal input terminal Fixed at "H" in this set
61DOUT (PO6)ODigital audio data output terminal Not used
62AOUT (PO7)OAudio data output terminal Not used
63BCK (PO8)OBit clock signal output terminal Not used
64LRCK (PO9)OL/R sampling clock signal output terminal Not used
65AIN (PI4)IDigital audio data input terminal Not used
66BCKi (PI5)IBit clock signal input terminal Not used
67LRCKi (PI6)IL/R sampling clock signal input terminal Not used
68VDD1-Power supply terminal (+1.5 V)
69VSS-Ground terminal
70AWRC-Not used
71PVDD3-Power supply terminal (+3.3 V)
72PDOOPhase error margin signal between EFM signal and PLCK signal output terminal
73TMAXSOTMAX detection signal output terminal Not used
74TMAXOTMAX detection signal output terminal
75LPFNIInverted signal input from the operation amplifi er for PLL loop fi lter
76LPFoOSignal output from the operation amplifi er for PLL loop fi lter
77PVREFIReference voltage (+1.65V) input terminal
78VCOFOVCO fi lter output terminal
79PVSS3-Ground terminal
80SLCoOEFM slice level output terminal
81RFiIRF signal input terminal
82RFRPiIRF ripple signal input terminal
83RFEQoOEFM slice level output terminal
84VRoOReference voltage (+1.65V) output terminal
85RESiNOExternal resistor connection terminal
86VMDiROReference voltage (+1.65V) output terminal for automatic power control circuit
87TESTROLow-pass fi lter terminal for RFEQO offset correction
88AGCiIRF signal amplitude adjustment amplifi cation input terminal
89RFoORF signal generation amplifi cation output terminal
90RVDD3-Power supply terminal (+3.3 V)
91LDoO
92MDiILight amount monitor input from the laser diode of optical pick-up block
93RVSS3-Ground terminal
94FNi2 (C)IMain beam (C) input from the optical pick-up block
95FNi1 (A)IMain beam (A) input from the optical pick-up block
96FPi2 (D)IMain beam (D) input from the optical pick-up block
97FPi1 (B)IMain beam (B) input from the optical pick-up block
98TPi (F)ISub beam (F) input from the optical pick-up block
99TNPCOExternal capacitor connection terminal
100TNi (E)ISub beam (E) input from the optical pick-up block
Laser diode on/off control signal output to the automatic power control circuit
"H": laser diode on
41
Page 42
HCD-BX70DBi
IP BOARD IC101 R5F21246SN060FP (iPod INTERFACE)
Pin No.Pin NameI/ODescription
1NC-Not used
2SCLONot used
3P33ONot used
4SDAONot used
5MODEIMode selection signal input terminal "L": single chip mode, "H": serial I/O mode,
6, 7P34, P44ONot used
8RESETIReset signal input from the reset signal generator "L": reset
13 to 16LEDOLED drive signal output terminal Not used
17 to 22P23 to P20, P17, P16ONot used
23RXD_iPodISerial data input from the iPod connector
24TXD_iPodOSerial data output to the iPod connector
25P13ONot used
26NC-Not used
27AC CUTONot used
28TXD_DMPORTOSerial data output to the system controller
29RXD_DMPORTISerial data input from the system controller
30 to 35
36VIDEO_MUTEONot used
37AUDIO_MUTEOAudio muting on/off control signal output terminal "L": muting on
38P07ONot used
39, 40NC-Not used
41 to 43P06 to P04ONot used
44VREFIReference voltage (+3.3V) input terminal
45P60ONot used
46DETECTIiPod connection detection signal input from the iPod connector "L": iPod is connected
47P61ONot used
48MODELINot used
49DESTONot used
14VSS15XINI
16VCC17NMII
18RDS INTI
19SBSYI
20AC CUTI
21NCO
22AMP CLOCKO
23TA LINE MUTEO
24AMP DATAO
25ST CEO
26DATA IN/STEREOI
27ST CLKO
28ST DATA OUTO
29IIC CLKI/O
30IIC DATAI/O
31BT DOUTO
32BT DINO
33BT CTSI
34BT_RTSO
35USB TXDO
36USB RXDI
37NCO
38USB RTSO
39SEL AO
40INHO
41PULL DOWNO
42NCO
43BT AUDIO OUT MUTEO
44BT_AV_ ROLEO
45BT_RESETO
46PULL UPO
47DAB TXDO
48DAB RXDI
49, 50NCO
51DAB-POWER 1.2V O
52DAB-POWER 3.3V O
53
54 to 56NCO
57CD ONO
58USB POWERO
59CD RESETO
STK-ONO
Serial data output to the CD-MP3 processor
SIRCS signal input from the remote control receiver
Power on/off control signal output terminal "H": power on
Tuning detection signal input from the tuner (FM/AM)
RDS data input from the tuner (FM/AM)
External data bus width selection signal input terminal
Processor mode switch input terminal (for test)
Sub system clock input terminal (32.768 kHz)
Sub system clock output terminal (32.768 kHz)
System reset signal input from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
Main system clock output terminal (5 MHz)
Ground terminal
Main system clock input terminal (5 MHz)
Power supply terminal (+3.3V)
Non-maskable interrupt signal input terminal Not used
RDS data transfer clock signal input from the tuner (FM/AM)
Subcode block sync signal input from the CD-MP3 processor
AC cut on/off detection signal input terminal "L": AC cut on
Not used
Serial data transfer clock signal output to the electrical volume
Line muting on/off control signal output terminal "H": muting on
Serial data output to the electrical volume
Chip enable signal output to the tuner (FM/AM)
Serial data and stereo detection signal input from the tuner (FM/AM)
Serial data transfer clock signal output to the tuner (FM/AM)
Serial data output to the tuner (FM/AM)
Two-way IIC clock bus terminal Not used
Two-way IIC data bus terminal Not used
Serial data output terminal Not used
Serial data input terminal Not used
Clear to send signal input terminal Not used
Ready to send signal output terminal Not used
Serial data output terminal Not used
Serial data input terminal Not used
Not used
Ready to send signal output terminal Not used
Input selection control signal output terminal
Input selection control signal output terminal
Connected to the ground
Not used
Blutetooth muting on/off control signal output terminal Not used
Transmission/reception mode notifi cation signal output terminal Not used
Reset signal output terminal Not used
Connected to the power supply
Serial data output terminal for DAB section
Serial data input terminal for DAB section
Not used
Power supply (+1.2V) on/off control signal output terminal for DAB section
Power supply (+3.3V) on/off control signal output terminal for DAB section
Standby control signal output to the power amplifi er
Not used
Power on/off control signal output terminal for CD section "H": power on
Power on/off control signal output terminal for USB section Not used
Reset signal output to the CD-MP3 processor "L": reset
HCD-BX70DBi
43
Page 44
HCD-BX70DBi
Pin No.Pin NameI/ODescription
60CD DRIVER MUTEO
61MODEL INI
62VCC63NCO
64VSS65NCO
66I-POWER MONITORI
67DEC BUS SELO
68MP3 IREQI
69CD CCEO
70CD CLKO
Muting signal output to the coil/motor driver
Setting terminal for the model Not used
Power supply terminal (+3.3V)
Not used
Ground terminal
Not used
Power monitor input terminal
Bus selection signal output terminal Not used
Request signal input from the CD-MP3 processor
Chip enable signal output to the CD-MP3 processor
Serial data transfer clock signal output to the CD-MP3 processor
Not used
iPod connection detection signal input from the iPod connector "L": iPod is connected
Wake up signal input terminal
Reset signal output terminal (for USB section) Not used
Clear to send signal input terminal (for USB section) Not used
Serial data output to the iPod interface
Serial data input from the iPod interface
Not used
VBUS power on/off control signal output terminal "H": power on
Top and front panel key input terminal (A/D input)
Loading motor control signal output terminal (for loading out)
Loading motor control signal output terminal (for loading in)
Setting terminal for the destination
Disc tray open position detection signal input terminal "L": disc tray is opened
Disc tray close position detection signal input terminal "L": disc tray is closed
LED drive signal output terminal for STANDBY indicator "L": LED on
Reset signal output to the fl uorescent indicator tube "L": reset
Chip select signal output to the fl uorescent indicator tube
Serial data output to the fl uorescent indicator tube
Serial data transfer clock signal output to the fl uorescent indicator tube
VBUS voltage detection signal input terminal
Not used
Ground terminal
Not used
Reference voltage (+3.3V) input terminal
Power supply terminal (+3.3V)
Serial data output to the CD-MP3 processor
44
Page 45
Note:
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
• Items marked “*” are not stocked since
they are seldom required for routine service. Some delay should be anticipated
when ordering these items.
7-1. PANEL SECTION
SECTION 7
EXPLODED VIEWS
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Color Indication of Appearance Parts Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑ ↑
Parts Color Cabinet’s Color
HCD-BX70DBi
The components identifi ed by mark 0
or dotted line with mark 0 are critical for
safety.
Replace only with part number specifi ed.
#1
top panel section
#8
#1
#3
#1
#3
#8
1
MAIN board section
3
#3
3
2
front panel section
3
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
1 3-282-727-11 PANEL (SIDE L)
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
251 A-1242-967-A LOADING (BK) ASSY
252 3-080-478-01 BELT
253 4-985-672-01 SCREW (+PTPWH M2.6), FLOATING
254 4-227-045-41 SPRING (INSULATOR)
255 4-229-005-41 INSULATOR
50
Page 51
7-7. BASE UNIT SECTION
(BU-K6BD90-WOD)
HCD-BX70DBi
301
(including sled motor (M402),
spindle motor (M401))
spindle motor (M401)
S201
sled motor (M402)
302
303
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
0 301 A-4735-357-A BASE ASSY, OP (KSM-213D)
302 1-832-404-21 CABLE, FLEXIBLE FLAT (16 CORE)
303 A-1217-914-A CD BOARD, COMPLETE
S201 1-771-853-11 SWITCH, DETECTION (LIMIT)
51
Page 52
HCD-BX70DBi
SECTION 8
5VREG
Note:
• Due to standardization, replacements in
the parts list may be different from the
parts specifi ed in the diagrams or the com-
ponents used on the set.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
• Items marked “*” are not stocked since
they are seldom required for routine service. Some delay should be anticipated
when ordering these items.
• CAPACITORS
uF: μF
• COILS
uH: μH
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
5VREG BOARD
JR201 1-216-864-11 SHORT CHIP 0
JR211 1-216-864-11 SHORT CHIP 0
JR213 1-216-864-11 SHORT CHIP 0
JR214 1-216-864-11 SHORT CHIP 0
JR219 1-216-864-11 SHORT CHIP 0
JR221 1-216-864-11 SHORT CHIP 0
JR222 1-216-864-11 SHORT CHIP 0
JR223 1-216-864-11 SHORT CHIP 0
JR301 1-216-864-11 SHORT CHIP 0
JR302 1-216-296-11 SHORT CHIP 0
JR303 1-216-864-11 SHORT CHIP 0
JR304 1-216-864-11 SHORT CHIP 0
JR305 1-216-864-11 SHORT CHIP 0
JR306 1-216-864-11 SHORT CHIP 0
JR307 1-216-864-11 SHORT CHIP 0
JR308 1-216-864-11 SHORT CHIP 0
JR309 1-216-864-11 SHORT CHIP 0
JR312 1-216-864-11 SHORT CHIP 0
JR313 1-216-864-11 SHORT CHIP 0
JR314 1-216-864-11 SHORT CHIP 0
JR315 1-216-864-11 SHORT CHIP 0
JR316 1-216-864-11 SHORT CHIP 0
JR317 1-216-864-11 SHORT CHIP 0
JR318 1-216-296-11 SHORT CHIP 0
JR319 1-216-296-11 SHORT CHIP 0
JR320 1-216-864-11 SHORT CHIP 0
JR321 1-216-296-11 SHORT CHIP 0
JR322 1-216-296-11 SHORT CHIP 0
JR323 1-216-864-11 SHORT CHIP 0
JR324 1-216-864-11 SHORT CHIP 0
JR325 1-216-864-11 SHORT CHIP 0
JR326 1-216-864-11 SHORT CHIP 0
JR327 1-216-864-11 SHORT CHIP 0
JR328 1-216-864-11 SHORT CHIP 0
JR329 1-216-296-11 SHORT CHIP 0
JR330 1-216-864-11 SHORT CHIP 0
JR331 1-216-864-11 SHORT CHIP 0
JR332 1-216-864-11 SHORT CHIP 0
JR333 1-216-864-11 SHORT CHIP 0
JR334 1-216-864-11 SHORT CHIP 0
JR335 1-216-864-11 SHORT CHIP 0
JR336 1-216-864-11 SHORT CHIP 0
JR337 1-216-864-11 SHORT CHIP 0
JR340 1-216-864-11 SHORT CHIP 0
JR341 1-216-864-11 SHORT CHIP 0
JR342 1-216-296-11 SHORT CHIP 0
JR343 1-216-296-11 SHORT CHIP 0
JR344 1-216-296-11 SHORT CHIP 0
JR345 1-216-296-11 SHORT CHIP 0
M901 1-787-400-11 D.C. FAN
S201 1-771-853-11 SWITCH, DETECTION (LIMIT)
0 T901 1-445-142-11 TRANSFORMER, POWER
6161
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HCD-BX70DBi
REVISION HISTORY
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Ver.DateDescription of Revision
1.02008.06New
1.12008.09Addition of AEP model
1.22009.02Change of Part for Ref.No.IC101 on CD board (SMR-08232)
(SMR-08144)
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