Sharp Hr-mb3 User manual

HR-MB3

SERVICE MANUAL

No. XXXXXXXXXXXXX

SHARP CORPORATION

CONTENTS

Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for

maintaining the safety and performance of the set.

This document has been published to be used

for after sales service only.

The contents are subject to change without notice.

CHAPTER 1. GENERAL DESCRIPTION

[1] Specifications ................................................. 1-1

[2] Names of parts............................................... 1-1

CHAPTER 2. ADJUSTMENTS

[1] TEST Mode .................................................... 2-1

[2] Error History Display ...................................... 2-2

[3] Error Code List ............................................... 2-3

[4] Updating the firmware .................................... 2-4

[5] Replacing the HDD unit.................................. 2-4

[6] Downloading the latest firmware .................... 2-4

CHAPTER 3. MECHANISM BLOCKS

[1] Caution on diassembly................................... 3-1

CHAPTER 4. DIAGRAMS

[1] Block diagram ................................................ 4-1

CHAPTER 5. CIRCUIT DESCRIPTION

[1] Notes on schematic diagram.......................... 5-1

[2] Types of transistor.......................................... 5-1

[3] Waveforms of circuit....................................... 5-2

[4] Voltage ........................................................... 5-3

CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS

LAYOUT

[1] Schematic diagram........................................6-1

[2] Wiring side of PWB......................................6-13

CHAPTER 7. FLOWCHART

[1] Troubleshooting .............................................7-1

CHAPTER 8. OTHER

[1] Function table of IC .......................................8-1

Parts Guide

PORTABLE JUKEBOX

MODEL HR-MB3(S)

HR-MB3

– i –

1. Employing lead-free solder

"Main PWB" of this model employs lead-free solder. The LF symbol indicates

lead-free solder, and is attached on the PWB and service manuals. The alphabetical character following LF shows the type of

Example:

Indicates lead-free solder of tin, silver and copper.

2. Using lead-free wire solder

When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire solder

may cause damage or accident due to cracks.

As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 C, we recommend you to use a

dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station

or service branch in your area.

3. Soldering

As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 C which is higher than the conventional lead solder by 40 C,

and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended period of

time. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be exceeded,

remove the bit from the PWB as soon as you confirm the steady soldering condition.

Lead-free solder contains more tin, and the end of the soldering bit may be easily corrected. Make sure to turn on and off the

power of the bit as required.

If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every use

of it.

When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.

Be careful when replacing parts with polarity indication on the PWB silk.

Lead-free wire solder for servicing

Ref No. DescriptionParts No.

PWB-A 92LPWB6362HDDS Main

lead-free solder.

CAUTION

Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type.

HR-MB3

1 – 1

AudioHR-MB3Service ManualHR-MB3MarketE

CHAPTER 1. GENERAL DESCRIPTION

[1] Specifications

[2] Names of parts

Power source: DC 6 V: AC adaptor

(AC 100 - 240 V, 50/60 Hz)

DC 5 V: USB bus power

Power consumption: 7 W (switching type AC adaptor)

Charging time: Approx. 4 hours

(fully charged, when using the

AC adaptor included with the

unit)

Dimensions: Width: 56.5 mm (2-1/4")

Height: 17.4 mm (11/16")

Depth: 105.5 mm (4-5/32")

Weight: 113 g (0.25 lbs.)

Sockets: Earphones

(impedance: 32 ohms)

USB (Exclusive type)

DC input

Frequency response: 20 - 20,000 Hz

Audio format: WMA (CBR/VBR),

MP3 (CBR/VBR), WAV (PCM)

Bit rate: WMA (32 - 320 kbps),

MP3 (8 - 320 kbps)

Sampling frequency: WMA(8-48kHz),

MP3(8-48kHz),

WAV (22.05 - 48 kHz)

Music MetaData: ID3 Tag (Version 1.0/1.1/2.3/

2.4), WMA object

Storage media: 4 GB hard disk drive (1 inch)

Output level: Earphones: 5 mW + 5 mW

(maximum output level/32

ohms)

Battery life: Up to 20 hours of continuous

playback by fully charged re-

chargeable Lithium-ion battery

PC interface: USB 1.1/2.0

Notes:

A combination of sampling frequency and bit rate dif-

fers depending on audio format.

Continuous playback:

At 128 kbps, in MP3 format (earphone output: 0.1 mW

+ 0.1 mW, backlight: not set to "Always", equalizer: set

to "Flat")

Actual battery life will vary with use.

The values are the standard values when the unit is

used at an ambient temperature of 25°C (77°F).

1. Earphones Socket

2. Hold Switch

3. Play Mode/Information Indicator

4. Battery Indicator

5. Return/Power Off Button

6. Character/Time/

Information Indicator

7. Menu/Power On Button

8. Cursor Button

9. Play/Stop/Enter/Power On Button

10.6VDCInputSocket

11. USB Socket (Exclusive type)

12. Battery Switch

Normal

1:00[3/8]

STOP

Music Name1

Artist Name1

Album Name1

10 11 12

The display varies depending on the operation.

The display language can be changed (default: En-

glish).

HR-MB3

2 – 1

AudioHR-MB3Service ManualHR-MB3MarketE

CHAPTER 2. ADJUSTMENTS

[1] TEST Mode

Entering/exiting test mode

Screen

Songs ***

Total Space ***

Free Space ***

Version *.***

TEST MODE

Version *.***

EEPROM **

Yes

EXIT TEST MODE

Exit

Change & Exit

Default load

Yes

About

Open "About" screen from MENU.

Enter test mode standby and display the version of

the firmware and Parameter.

To enter test mode, press these keys in the following

order:

MENU key

RIGHT key

DOWN key

UP key

RIGHT key (Press for 2 seconds.)

RETURN key ?

Test mode ends, and the TOP screen

appears.

Check that Parameter is updated and EXIT is

displayed.

Use UP key and DOWN key to select EXIT,

Change & Exit or Default load.

Update the specified area of Parameter.

MENU key ?

RETURN key ?

EXIT selected ?

Change & Exit selected ?

Write the default data for Parameter on

to Parameter.

ENTER key ?

HR-MB3

2 – 2

[2] Error History Display

Error history display

Screen

E-DATA

Yes

E-DATA

********

Yes

*********: Error code

Yes

E-DATA

Yes Clear?

Yes

Error history appears.

Error history content appears.

Use UP key and DOWN key to scroll.

*The latest history to be displayed in most significant

*Up to 10 error history records are displayed.

History clear mode.

ENTER key ?

RETURN key ?

MENU key ?

History is cleared.

Test mode switches to standby.

Test mode standby.

RETURN key ?

MENU key ?

HR-MB3

2 – 3

[3] Error Code List

Error Code List

How to read

TYPE VIEW CODE

num Type error num Type error num Type error

01 ETYPE_DS_ERROR Error from Data Server. 01 EVIEW_LOW_BATTERY_PLAY Battery has become low during playback. 0001 REALTIME_FAIL

02 ETYPE_UI_ERROR Error in UI. 02 EVIEW_NOT_OPEN_MASTERTBL Cannot open MASTER.TBL. 0002 DECODE_ERROR

ETYPE_BATT_ERROR

Battery error. 03 EVIEW_READERR_MASTERTBL Read error when reading MASTER.TBL 0003 REC_MEDIA_FULL

08 ETYPE_DB_ERROR Error from DB. 04 EVIEW_INVALID_MASTERTBL MASTER.TBL is invalid or the file format is not supported. 0004 MEDIA_NOT_READABLE

ETYPE_MKPL_ERROR

Error when creating default playlist.

05 EVIEW_CANT_FIND_FILE_DIR Cannot search files or folders. 0005 MEDIA_NOT_AVAILABLE

06 EVIEW_FILE_NOT_OPEN Cannot open MP3, WMA or WAV file. 0006 MEDIA_NOT_WRITABLE

07 EVIEW_READ_ERR_TAG Read error when searching for tag of MP3, WMA or WAV file. 0007 BAD_MEDIA

08 EVIEW_INVALID_TAG Tag of MP3, WMA or WAV file is invalid or not supported. 8001 MSG_FILE_NOT_FOUND

09 EVIEW_CANT_DEL_MASTERTBL Cannot rename/delete the existing MASTER.TBL. 8002 MSG_EMPTY_FILE

EVIEW_CANT_CREATE_MASTERTBL

Cannot create a new MASTER.TBL. 8003 MSG_META_DATA_NOT_FOUND

0B EVIEW_WRITE_ERR_MASTERTBL MASTER.TBL write error. 8005 MSG_INVALID_META_TYPE

0C EVIEW_NOT_FREE_MASTERTBL Free space is likely to become insufficient when writing MASTER.TBL. 8007 MSG_UNSUPPORTED_BITRATE

0D EVIEW_USER_STOP_MASTERTBL Writing MASTER.TBL has been interrupted at the user's request. 8008 MSG_UNSUPPORTED_SAMPLERATE

EVIEW_LOW_BATTERY_MASTERTBL

Writing MASTER.TBL has been interrupted due to low battery. 8009 MSG_AIC23_WRITE_FAILURE

EVIEW_UNKNOWN_STOP_MASTERTBL

Writing MASTER.TBL has been interrupted due to sudden power cut, etc. 800A MSG_INVALID_AIC23_REG_ADDR

EVIEW_FILE_NOT_FOUND_MASTERTBL

No target file was found when creating MASTER.TBL. 800B MSG_INVALID_MONO_MODE

11 EVIEW_FILE_NOT_FOUND_REC Cannot find the existing file list . 800D MSG_INVALID_VOL_LEVEL

12 EVIEW_CANT_CREATE_REC Cannot create a new WMA or WAV file. 8010 MSG_NO_CHANNELS_AVAILABLE

13 EVIEW_CANT_CREATE_DIR_REC Cannot create a directory. 8011 MSG_INVALID_CHANNEL_ID

14 EVIEW_WRITE_ERR_REC WMA or WAV file write error. 8012 MSG_FAILURE

15 EVIEW_MAX_FILE_SIZE_REC

File size limit (FAT32: 4G) has been or is likely to be exceeded when writing WMA or WAV file

8014 MSG_EOF

16 EVIEW_NOT_FREE_REC Free space has or is likely to become insufficient when writing WMA or WAV file. 8015 MSG_MEDIA_NOT_AVAILABLE

17 EVIEW_LOW_BATTERY_REC Writing WMA or WAV file has been interrupted due to low battery. 8016 MSG_MEDIA_FULL

18 EVIEW_UNKNOWN_STOP_REC Writing WMA or WAV file has been interrupted due to sudden power cut, etc. 8017 MSG_FILE_IN_USE

19 EVIEW_NOT_OPEN_PLAYLIST Cannot open the specified M3U or PLS file. 8019 MSG_DIRECTORY_NOT_EMPTY

1A EVIEW_PLAY_ERROR_PLAYLIST Read error during playback of M3U or PLS file. 801A MSG_DUPLICATE_FILENAME

EVIEW_DIR_NOT_FOUND_PLAYLIST

Cannot find the existing file list. (Cannot find a directory.) 801B MSG_INVALID_FILE_TYPE

1C EVIEW_CANT_CREATE_PLAYLIST Cannot create a new M3U or PLS file. 801F MSG_BOF

1D EVIEW_READ_ERR_PLAYLIST M3U or PLS file read error. 8021 MSG_PARTIAL_LISTING

1E EVIEW_CANT_OPEN_PLAYLIST Cannot open the specified M3U or PLSfile. 8022 MSG_FIFO_EMPTY

1F EVIEW_WRITE_ERR_PLAYLIST M3U or PLS file write error. 8023 MSG_NOT_AVAILABLE

20 EVIEW_NOT_FREE_PLAYLIST Free space has become insufficient when writing M3U or PLS file. 8024 MSG_INVALID_FILE_FORMAT

21 EVIEW_USER_STOP_PLAYLIST Writing M3U or PLS file has been interrupted at the user's request. 8025 MSG_CHANNEL_IN_BROWSE

22 EVIEW_LOW_BATTERY_PLAYLIST Writing M3U or PLS file has been interrupted due to low battery. 8026 MSG_CHANNEL_NOT_IN_BROWSE

EVIEW_UNKNOWN_STOP_PLAYLIST

Writing M3U or PLS file has been interrupted due to sudden power cut, etc. 8028 MSG_MEDIA_TIMEOUT

24 EVIEW_LOW_BATTERY Low battery. 8029 MSG_BAD_MEDIA

25 EVIEW_BATTERY_ERR Battery error. 802A MSG_DIR_ID_NOT_A_DIRECTORY

26 EVIEW_FILE_ERROR File error. 802B MSG_INSUFFICIENT_BUFFER_SIZE

27 EVIEW_FILE_NONE No file exists. 802D MSG_UNEXPECTED_ERROR

28 EVIEW_DISK_ERROR Disk error. 802E MSG_UNSUPPORTED_FAT_TYPE

29 EVIEW_HOLD HOLD function is active. 802F MSG_UNSUPPORTED_FILE_FORMAT

2A EVIEW_INTERNAL_ERROR Internal error. 8030 MSG_UNSUPPORTED_BIT_AND_SMPL

8031 MSG_LSE_DRM_INIT_FAILED

8032

MSG_UNSUPPORTED_DIRECTORY_STRUCTURE

8033 MSG_UNSUPPORTED_MEDIA_SIZE

8034 MSG_DEFAULT_REC_FILE_LIMIT

8035 MSG_UNSUPPORTED_IMAGE_FORMAT

8036 MSG_UNSUPPORTED_IMAGE_SIZE

8037

MSG_UNSUPPORTED_NUMBER_OF_CHANNELS

8038 MSG_UID_NOT_IN_LIST

8039 MSG_FILE_ERROR

803A MSG_FILE_NOT_OPEN

803B MSG_INVALID_MODE

803C MSG_INVALID_TRACK_TYPE

803D MSG_CACHE_FULL

8200 DB_ERR

8201 DB_ERR_RECORD_LIMIT

8202 DB_FOLDER_DEPTH_LIMIT

8203 DB_DEFAULT_FOLDER_NOT_EXIST

8204 DB_ERR_FILE_CHECKSUM

8205 DB_ERR_CREATE_DIR

8206 DB_ERR_CREATE_FILE

8207 DB_ERR_NOT_MATCH_PROFILE

8208 DB_ERR_MEDIA

8209 DB_ERR_OPEN_FILE

820A DB_ERR_FILE_CORRUPT

820B DB_ERR_CLOSE_FILE

820C DB_ERR_READ_FILE

820D DB_ERR_WRITE_FILE

820E DB_ERR_OPEN_CHANNEL

820F DB_ERR_CLOSE_CHANNEL

8210 DB_ERR_CHDIR

8211 DB_ERR_DUPLICATE_FILENAME

8212 DB_INVALID_INDEX

8214 DB_ERR_CREATE_NEW_DB

8215 DB_ERR_RENAME_OLD_DB

8216 DB_ERR_NO_DB

8217 DB_ERR_NO_CHANNEL

8218 DB_ERR_CREATE_NEW_PLS

8219 DB_ERR_FILELIST

821A DB_ERR_DELETE_FILE

821B DB_ERR_SYSTEM

821C DB_ERR_PLS_ADD_SONG

821D DB_ERR_LOW_BATTERY

821E DB_ERR_NO_SONG

C001 eERR_BATT_CHARGE Charging error.

C002 eERR_BATT_POWER Power is low.

TYPE ** (2Byte) VIEW ** (2Byte) CODE **** (4Byte)

** ** ****

^^ ^^ ^^^^

HR-MB3

2 – 4

[4] Updating the firmware

1. Plug in the AC adaptor.

1. The charging mode is activated. Press the ENTER or MENU key to turn on the power.

2. Copy the firmware.

1. Connect to a PC with the USB cable.

2. Copy the UPGRADE.BIN to ROOT of the drive.

3. Disconnect the USB cable.

3. Execute update.

1. Press the RETURN key to turn off the power, and unplug the AC adaptor.

2. Plug in the AC adaptor again.

3. "UpdatingFW..." appears and the update starts.

4. After the update is completed, the charging mode is activated.

4. Perform the following:

1. From the Menu List, open the About screen and check the firmware version.

2. From the Menu List, execute Format.

3. From the Menu List, execute Default.

4. Enter the test mode, then from Exit test mode, execute Default load.

[5] Replacing the HDD unit

1. Replace the HDD unit.

2. Plug in the AC adaptor.

1. "HDD error" appears.

2. Press these keys in the following order:

• MENU KEY

• RIGHT KEY

• DOWN KEY

•UPKEY

• RIGHT KEY (Press for 2 seconds.)

3. "Formatting..." appears and the format starts.

4. Follow these onscreen instructions:

i) ConnectUSB

ii) CopyUpgrade.Bin

iii) UnplugUSB

3. Disconnect the USB cable. "UpdatingFW..." appears and the update starts.

After the update is completed, the charging mode is activated.

4. Perform the following:

1. From the Menu List, open the About screen and check the firmware version.

2. From the Menu List, execute Default.

3. Enter the test mode, then from Exit test mode, execute Default load.

[6] Downloading the latest firmware

1. Visit the following websites

1. "http://sharp-world.com/worldwide/index.html"....Except for U.K.

2. “http://www.sharp.co.uk/”...For U.K.

HR-MB3

3 – 1

AudioHR-MB3Service ManualHR-MB3MarketE

CHAPTER 3. MECHANISM BLOCKS

[1] Caution on diassembly

Caution on Disassembly

Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance:

1. Take cassette tape, and compact disc out of the unit.

2. Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit.

3. Take off nylon bands or wire holders where they need to be removed when disassembling the unit. After servicing the unit, be sure to rearrange

the leads where they were before disassembling.

1 Bottom Cabinet 1. Screw ......................(A1) x5

2MainPWB

2. Socket ...................... (A2) x1

2. HDD Holder ..............(B2) x1

1. Screw ....................... (B1) x4

4. Solder Joints............ (B4) x2

6. Solder Joints.......... (B6) x35

7. LCD Unit .................. (B7) x1

3. Flexible PWB ........... (B3) x1

5. LCD Shield Case ..... (B5) x1

STEP REMOVAL PROCEDURE

Bottom Cabinet

Top Cabinet

(B2)x1

(A1)x3

M1.4x2mm (A1)x2

M1.4x5mm

Top Cabinet

Main PWB

HDD

(B1)x4

M1.4x4mm

(B5)x1

(B6)x33

(B4)x1

(B6)x2

(B4)x1

(B3)x1

(B7)x1

Main PWB

Pull

(A2)x1

Note: A special jig is necessary for the installation

of the LCD unit.

HR-MB3

4 – 1

AudioHR-MB3Service ManualHR-MB3MarketE

CHAPTER 4. DIAGRAMS

[1] Block diagram

J400

DC SOCKET

6V OUTPUT

SC200

USB SOCKET

5V OUTPUT

P401

Li-ion Battery

3.7V OUTPUT

S401

BATTERY SW

START UP

CIRCUIT

D401, Q403

Li-ion

CHARGE & POWER MANAG

15~17

5, 6

IC400

BQ24032

IC403

TPS62220

IC401

TPS62200

IC404

TPS62220

BACK LIGHT

KEY INPUT

IC302

1112B31M

3.1V

REGULATOR

IC405 MM3097

IC402 TPS72201

Q3 Q2

DC/DC DOWN

3.3V

(400mA Class)

DC/DC DOWN

1.6V

(300mA Class)

DC/DC DOWN

3.3V

(400mA Class)

DC/DC UP

7.5V

20mA

LCO MODULE

3.3V

1.6V REGULATOR

3.3V

1.6V

29~39

42,44,45,47,48

50,51,53

16~28, 30

IC100

TMS320DA255

DSP

HDD UNIT

3.3V IC201

CY68013A

USB2.0(Slave)

IC202

BR24L64F

EEPROM

1.6V (CORE)

1.6V (RTC)

3.3V

J300

HEADPHONES

IC302

3.1V

9,10

5,6

23,24,25

3.3V

19,25,26,29,31,33

37~48

2,4,5,7,8

10,11,13,

15~26

8,9

5,6

15,16

AUDIO DAC

IC301

TLV320DAC23

IC503

AT24C512

EEPROM

3~7

IC500

256 MB SDRAM

3.3V

1,2,8,9,18~25,29~31,

33~38,40,42,44~52

3,5~8,10,12~17

SIGNAL & DATA& CONTROL LINE

POWER SUPPLY LINE

Figure 4-1 BLOCK DIAGRAM (1/1)

HR-MB3

5 – 1

AudioHR-MB3Service ManualHR-MB3MarketE

CHAPTER 5. CIRCUIT DESCRIPTION

[1] Notes on schematic diagram

•Resistor:

To differentiate the units of resistors, such symbol as K and M are

used: the symbol K means 1000 ohm and the symbol M means

1000 kohm and the resistor without any symbol is ohm-type resis-

tor. Besides, the one with “Fusible” is a fuse type.

• Capacitor:

To indicate the unit of capacitor, a symbol P is used: this symbol P

means pico-farad and the unit of the capacitor without such a sym-

bol is microfarad. As to electrolytic capacitor, the expression

“capacitance/withstand voltage” is used.

(CH), (TH), (RH), (UJ): Temperature compensation

(ML): Mylar type

(P.P.): Polypropylene type

• Schematic diagram and Wiring Side of P.W.Board for this model are

subject to change for improvement without prior notice.

[2] Types of transistor

REF. NO DESCRIPTION POSITION

SW300 HOLD ON—OFF

SW301 RETURN/POWER OFF ON—OFF

SW302 MENU/POWER ON ON—OFF

SW303 FUNCTION ON—OFF

SW304 SKIP DOWN/SCROLL LEFT/REVIEW ON—OFF

SW305 VOLUME UP/SCROLL UP ON—OFF

SW306 VOLUME DOWN/SCROLL DOWN ON—OFF

SW307 SKIP UP/SCROLLRIGHT/CUE ON—OFF

SW401 BATTERY/CUT ON—OFF

REF. NO DESCRIPTION POSITION

TOP VIEW

TOP VIEW TOP VIEW

1SS400

RB520530

RB521S30

VDZS33B

VDZS8R2B

FS1J3TP

RB106M3

RN1104

RN2104

MCH3405

KDS121 E

(G)

(3)

(S)

(1)

(D)

(2)

TOP

VIEW

HR-MB3

5 – 2

[3] Waveforms of circuit

TL304

LOUT TL700

LCD_BL_POW

IC301: 4PIN IC405 4PIN

DIN SH

(LCD_BL_ON)

IC301: 5PIN TL415

LRCIN VCC 3.3V

IC301: 3PIN IC404 3PIN

BCLK EN

(P-CON)

PLAYBACK When it is started.

the time of the AC adapter starting

START LCD DISPLAY BEGINNING

TL414

HDD 3.3V

IC403 3PIN

(HDD_ON)

TL415

VCC 3.3V

IC404 3PIN

(P-CON)

POWER ON HDD START

POWER ON

HDD START

TL414

HDD 3.3V

IC403 3PIN

(HDD_ON)

TL415

VCC 3.3V

IC404 3PIN

(P-CON)

At the time of the battery actuation

Enter or Menu key push time

HR-MB3

5 – 3

[4] Voltage

VHITLV320D+-1 VHITPS62200-1 VHICY68013A-1 RH-IXB074WJZZ

IC301 IC401 IC201 IC500

1 3.1 V 1 4.4 V 1 P 1 3.2 V

20V 20V 2P

3 P 3 5.1 V 3 3.2 V 3 3.2 V

4P 4 4

550.5V55

666

VHIBQ24032+-1 73.2V 7 P

8 3.1 V IC400 8 P 8 P

9 1.55 V 1 3.35 V 9 P 9 3.2 V

10 1.55 V 2 - 10 0 V

10 P

11 0 V

3 0 V 11 3.2 V 11 P

12 1.55 V 4 5.65 V 12 0 V 12 0 V

13 1.55 V 5 3.45 V 13 P 13 P

14 3.1 V 6 3.45 V 14 0 V 14 3.2 V

15 0 V 7 5 V 15 3.2 V 15 P

16 1.55 V 8 5.2 V 16 3.2 V 16 P

17 - 9 4.4 V 17 3.2 V 17 P

18 - 10 0.25 V 18 P 18 P

19 - 11 0 V 19 P 19 P

20 - 12 1.5 V 20 P 20 P

21 0 V 13 3.5 V 21 P 21 0 V

22 0 V 14 2.5 V 22 P 22 P

23 3.3 V 15 4.4 V 23 P 23 P

24 3.3 V 16 4.4 V 24 P 24 P

25 P V 17 4.4 V 25 P 25 P

26 0 V 18 0 V 26 0 V 26 P

27 2.7 V 19 0 V 27 3.2 V 27 3.2 V

28 0 V 20 4.85 V 28 0 V 28 0

29 P 29 P

VHIMM3097++-1 VHITC7SZ32U-1 30 P 30 P

IC405 IC200,502,700 31 P 31 P

1 P 32 3.2 V 32 P

2 2 P 33 P 33 P

3 0.986 V 3 0 V 34 P 34 P

4 3.3 V 4 P 35 P 35 P

5 4.4 V 5 3.2 V 36 P 36 P

37 P 37 3.2 V

VHI80827CNN-1 VHIBR24L64F-1 38 P 38 P

IC406 IC202 39 3.2 V 39 P

1 3.1 V 1 3.2 V 40 P 40 0 V

2 3.3 V 2 0 V 41 0 V 41 0 V

3 - 3 0 V 42 3.2 V 42 P

40V

4 0 V 43 3.2 V 43 3.2 V

5 P V 44 3.2 V 44 P

VHITPS72201-1 6PV 45P 45P

IC402 7 0 V 46 P 46 0 V

1 4.4 V 8 3.2 V 47

P47P

2 P 48 P

3 4.4 V VHIAT24C512-1 49 P 49 3.2 V

4 1.2 V IC503 50 P 50 P

5 1.6 V 1 0 V 51 P 51 P

252P520V

VHITPS62220-1 30V

53 0 V 53 P

IC403,404 4 0 V 54 P 54 0 V

1 4.4 V 5 P 55 3.2 V

20V 6P 560V

3 4.95 V 7 0 V

4 0.485 V 8 3.2 V * P is a pulse.

5VHI1112B31M-1

IC302

1 3.3 V

3 3.3 V

5 3.1 V

HR-MB3

5 – 4

—MEMO —

HR-MB3

6 – 1

AudioHR-MB3Service ManualHR-MB3MarketE

CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT

[1] Schematic diagram

Figure 6-1 SCHEMATIC DIAGRAM (1/12)

123456

TL130

zCE3

FB101

R100

HDD_ON

CE_CONT

TL124

TL112

CHARGE_ON/OFF_DET

0.1u

C111

DSP_RST

TL104

TL131

FB103

0.01u

C104

R102

TL122

CHARGER_CE_CONT

TL120

FB102

LCD_CS

R108

0.01u

C105

TL105

TL125

zRE

4.7u/6.3V

C101

AC_DET

TL103

C109

0.01u

C107

LCD_RST

TL113

CVCC_CTL

TL107

DCDC_EN

100K

R109

FB104

X100

TL111

R116

R101

R104

TL100

TL123

RTCDVDD1.6V

0.1u

C110

IC100

IXA068AW

DSP

153

154

155

156

157

158

159

145

146

147

148

149

151

150

152

143

144

136

137

136

137

138

139

140

141

142

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135

12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

TL102

A10

TL121

TL116

VCC3.3V

4.7u/6.3V

C102

R107

R111

TL129

TL126

FB100

TL110

TL101

zWE

10uH

L100

TL109

0.1u

C106

0.01u

C114

(CH) (CH)

C108

VCC1.6V

BATT_DET 4.7u/6.3V

C103

GND

0.01u

C115

LCD_BL_ON

12P

(CH)

C122

TL106

TL108

R127

TL117

TL118

TL119

TL115

TL127

TL128

TL140

TL141

TL142

TL143

TL144

TL145

TL146

TL147

R103

R105

R130

47K

R131

TL149

R133

R132

R134

R135

0.1u

C124

R137

4.7u/6.3V

C125

4.7u/6.3V

C126

4.7u/6.3V

C129

0.01u

C127

0.01u

C128

0.01u

C130

R140

68K

10K

C112

zOE

HDD_ON

A14

HDD_RST

LCD_RST

A18

zBE1

EMU0

A15

zINT1

TRST

zOE

BCLK

zCE3

HDD_DMACK

TDI

USB_RDY

A15

SD_BA1

zSDCAS

A18

USB_CTL1

zWE

TCK

zCE1

CHARGER_CE_CONT

TDO

TCK’

zCE0

LCD_BL_ON

zRE

A11

LCD_CS

A16

DCDC_EN

zBE0

HDD_CS0

USB_CS

USB_DET

A16

AUDIO_MCLK

CVCC_CTL

zINT3

zINT4

AC_DET

A17

A19

A20

A17

A19

A20

BATT_DET

READY

zCE1

zCE2

KEYIN

FUNCTION_SW

EMU1

TMS

POW_ON_SW

CE_CONT

WAKEUP

ADJ_DET

SDATA_IN

LRCOUT

LRCIN

SDATA_OUT

CHARGE_ON/OFF_DET

CVDD6(B8)

RCVDD(C12)

C8(J4) BEO-

VSS2(C2)

VSS9(N14)

DVDD16(E6)

TO_POWER

P6-8 11-B

P6-10 1-E

C4(H4) CE0-/GPIO9

CVDD7(G1)

S24(B10)

MMC2.DAT2/FSR2

MMC1.DAT2/FSR1

RVDD2(L1)

DN(USB)(D3)

GPIO1(E1)

S10(D7)

RTCINX2(B12)

DX0(E7)

DVDD14(A8)

USBVDD(D2)

VSS14(B9)

VSS24(C5)

GPIO0(F3) S13(E9)

MMC2.DAT1/DR2

S15(E8)

X1(F1)

S12(A7)

C0(G5) GPIO.IO8//RE-

DVDD15(A4)

C7(J3) CE3-/GPIO11

S22(C9)

GPIO4(A3)

RDVDD3(A14)

GPIO2(E2)

VSS26(A2)

N.C.(EC3)

AVSS2(B14)

C3(H1) RDY

VSS13(B11)

CVDD9(N8)

TIN/TOUT0(B4)

N.C.(E10)

S25(D10)

MMC2.DAT0/CLKX2

FSX0(B6)

MMC1.DAT0/CLKX1

MMC1.DAT1/DR1

C2(G4) WE-

VSS6(P2)

S21(A10)

GPIO7(D1)

DVDD1(E3)

VSS18(P1)

C11(K3) SDCAS-

MMC2.DAT3/FSX2

VSS11(D11)

FSR0(A5)

MMC2.CLK/DX2

GPIO3(B3)

DVDD8(J2)

A20(G3)

VSS5(N2)

DVDD10(K10)

DP(USB)(D4)

C9(K2) BE1-

S23(A11)

VSS15(K4)

S20(A9)

GPIO6(C4)

CVDD4(C10)

CVDD13(A6)

DR0(D6)

DVDD7(H2)

C5(H5) CE1-/GPIO10

CLKOUT(F5)

AIN1(D13)

CLKR0(B5)

C6(J1) CE2-

VSS3(E4)

A18(K1)

S11(D8)

RDVDD2(A13)

C1(G2) OE-

S14(C8)

CVDD12(B7)

AVDD(C14)

VSS12(C11)

RTCINX1(A12)

X2/CLKIN(F2)

MMC1.CLK/DX1

A14(K9)

GPIO5(D5)

AIN2(D12)

CLKX0(C6)

12MHz

A16(P7)

MMC1.DAT3/FSX1

AVSS1(C13)

A’[0](H11)

CVDD8(J5)

CVDD1(B2)

VSS25(E5)

RDVDD1(B13)

TO_LCD

DVDD3(N13)

A19(H3)

VSS4(F4)

PU(USB)(C1)

A15(M8)

MMC2.CMD/CLKR2

DVDD6(D9)

VSS23(C7)

A17(P5)

DVDD12(P14)

DVDD11(P13)

AIN3(E11)

VSS1(B1)

MMC1.CMD/CLKR1

• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.

MAIN PWB-A (1/6)

+B +B

+B +B +B

HR-MB3

6 – 2

Figure 6-2 SCHEMATIC DIAGRAM (2/12)

78 9 10 11 12

A14

zCE3

TL133

D10

TL138

zBE0

DSP_RST

A13

D13

zINT2

SDA

zRE

0.1u

C120

USB_CS

100K

R114

USB_RDY

0.01u

C116

0.01u

C117

TL131

1.5K

R122

D11

KEYIN

TL132

A10

TL135

D13

zWE

HDD_DMACK

A14

zCE3

TL139

D12

D11

100K

R125

D10

zCE0

POW_ON_SW

zINT0

zBE1

zSDCAS

SCL

D15

TL134

USB_CTL1

AUDIO_MCLK

zWE

R126

100K

R120

0.01u

C119

TL136

USB_DET

LRCOU T

zRE

TL137

HDD_CS1

0.1u

C118

SCL

FUNCTION_SW

SD_BA 1

D14

TL114

SDATA_OUT

919293949596979899100101102103104105106107108109

27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

READY

zSDWE

zSDRAS

D12

D15

TL121

HDD_RST

LRCIN

CLKMEM

HDD_CS0

BCLK

1.5K

R123

R115

SDA10

100K

R118

A12

0.01u

C121

D14

SDATA_IN

100K

R124

100K

R117

0.01u

C115

100K

R129

*VA103

WAKEUP

ADJ_DET

R136

0.01u

C131

0.01u

C133

0.01u

C132

A11

D14

zBE1

TDI

zSDWE

TCK’

SCL

D15

A10

zSDCAS

D13

TDO

TMS

TRST

zINT4

zINT2

zINT0

zINT3

zINT1

BATT_DET

D12

SDA

D11

D10

TCK

zSDRAS

SDA10

A12

A13

KEYIN

DSP_RST

CLKMEM

C(C)

()

INT1_(G13)

XF(E14)

CVDD2(M4)

INT0_(G14)

RVDD2(L1)

EMU0(K11)

RVDD1(J10)

A6(L6)

EMU1/OFF(K12)

A10(N4)

TDO(K13)

AIN0(D14)

TCK(J13)

TMS(J14)

C10(M1) SDRAS-/GPIO12

INT3_(F14)

D1(K8)

DVDD4(M12)

A0/A14(L7)

D11(N12)

TDI(K14)

TRST_(J12)

VSS17(N1)

INT2_(G10)

D3(M9)

D4(L9)

CVDD11(G11)

ADVSS(E12)

A3(K6)

D13(L11)

CVDD5(J11)

D2(P9)

VSS16(K5)

D10(P12)

A13(N3)

D9(L10)

D5(P10)

D15(L13)

D12(M14)

C12(L3) SDWE- ADVDD(F10)

VSS19(N9)

C11(K3) SDCAS-

TO_AIO

VSS10(M13)

A12(P3)

CVDD3(L14)

DVSS(G12)

DVDD9(P8)

A2(K7)

TO_USB

VSS8(M5)

A11(L4)

D7(P11)

DVDD5(H10)

CVDD10(M11)

C9(K2) BE1-

C14(L2) CLKMEM

VSS22(E13)

D0(L8)

VSS21(F11)

AIN1(D13)

A4(P6)

SCL(H14)

DVDD13(F13)

VSS7(M3)

INT4_(F12)

A1(M7)

A9(P4)

TO_MEMORY

AVDD(C14)

DVDD2(N6)

D6(M10)

SDA(H13)

A8(L5)

C13(M2) SDA10/GPIO13

RVDD3(N7)

AVSS1(C13)

VSS20(N10)

CVDD8(J5)

RDVDD1(B13)

RESET_(H12)

A7(N5)

D14(L12)

A5(M6)

D8(N11)

P6-9 1-D

P6-5 1-E P6-3 1-D

+B +B

HR-MB3

6 – 3

Figure 6-3 SCHEMATIC DIAGRAM (3/12)

P6-8 11-G

P6-2 12-E

0.1u

C200

D15

150K

R200

A14

TL206

D11

zWE

zINT0

R210

IC200

TC7SZ32U

2 INPUT OR GATE

12 3

zRE

0.1u

C201

12P(CH)

C203

FB200

USB_CS

GND

D14

100K

R209

IC201

CY68013A

USB 2.0

123456789

343536373839404142

USB_CTL1

USB_DET

0.01u

C204

FB201

USB_VBUS

USB_RDY

VCC3.3V

X200

2.2K

R207

D12

120K

R201

TL200

12P

(CH)

C202

D10

zCE3

DSP_RST

D13

WAKEUP

ADJ_DET

0.1u

C208

0.1u

C209

4.7u

C206

4.7u

C207

R217

zINT0

USB_VBUS

D10

USB_CS

D11

zCE3

D12

D14

DSP_RST

D15

/SLCS

zRE

/SLCS

USB_DET

USB_DP

D13

zRE

USB_DN

zWE

WAKEUP

VCC

RESET

CLKOUT

PD7

GND

PD1

WAKEUP

GND

AGND

TO_ASIC

WU2

XTALI N

AVCC /SLCS

TO POWER

VCC

PD4

PA1

AVCC

FIFOADR0

PD0

PKTEND

SLOE

DMINUS

SLRD

PD2

SLWR

PD3

PD5

GND

DPLUS

XTALOUT

VCC

FIFOADR1

PD6

24MHz

123456

• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.

MAIN PWB-A (2/6)

+B +B

HR-MB3

6 – 4

Figure 6-4 SCHEMATIC DIAGRAM (4/12)

SC200

USB TERMINAL

TL205

TL204

FB202

47K

R204

TL202

0.01u

C205

BR24L64F

IC202

TZA004AW

EEPROM

1234

5678

FB203

100K

R203

201

8013A

B 2.0

10 11 12 13 14

29303132333435

TL208

TL203

10K

R205

TL210

TL201

100K

R206

TL207

TL209

3.3K

R215

3.3K

R214

L201

R212

R213

R216

0.1u

C210

0.1u

C211

USB_DP

zINT0

zRE

USB_DP

USB_RDY

USB_DN

USB_VBUS

USB_DN

USB_CTL1

GND

CTL0

SDA

PB7

SCL

RESERVED

VCC

CTL1

VCC

PB0

GND

VBUS

A0 GND

PA0

GND

T0OUT

PA1

-D

PB2

CTL2

PB6

USB_CONN 2.0

PB4

SLOE

DMINUS

SCL

ID(NC)

VCC

PB5

GND

PB1

SDA

VCC

DPLUS

AGND

VCC

PB3

78 9 10 11 12

HR-MB3

6 – 5

Figure 6-5 SCHEMATIC DIAGRAM (5/12)

R319

R322

R324

SDA

SCL 100

R308

100u/4

C31

GND

0.1u

C309

10u/6.3V

C301

R317

R318

SDATA_OUT

AUDIO_MCLK

100

R309

100

R310

100

R312

100K

R316

100K

R314

LRCOUT

SDATA_IN

R313

100

R315

R311

TL300

R306

TL302

10u/6.3V

C300

BCLK

0.1u

C303

R304

TL301

VCC3.3V

LRCIN

0.1u

C302

FUNCTION_SW

POW_ON_SW

KEYIN

0.1u

C306

10u/6.3V

C307 10u/6.3V

C308

100K

R331

100K

R332

22K

R333

FUNCTION_SW2

POW_ON_SW2

TL311

TL309

RB520S30

D301 RB520S30

D302

SW302

MENU/

POWER ON

SW303

FUNCTION

SW300

HOLD

RB521S30

D303

RB521S30

D304

IC301

12345678910 11 12 13 14

1516171819202122232425262728

R301

IC302

1112B31M

3.1V

REGULATOR

VCC

GND

N.C.

VOUT

C316

C317

0.01u

C318

0.01u

C319

0.01u

C320

0.01u

C321

R342

LRCOUT

LRCIN

SDATA_OUT

BCLK

SDATA_IN

AUDIO_MCLK

FUNCTION_SW

POW_ON_SW

SDA

SCL

POW_ON_SW2

FUNCTION_SW2

(2.7--3.6V)

XTI/MCLK

HPVDD

RHPOUT

LRCIN

DVDD

(2.7--3.6V)

DIN

MICBIAS

VMID

CS-

MICIN

(1.42--3.6V)

BCLK

DGND

MODE

AGND

BVDD

SCLK

(2.7--3.6V)

LRCOUT

RLINEIN

LLINEINLHPOUT

ROUT

TO_ASIC

HPGND

DOUT

XTO

LOUT

TO_POWER

SDIN

AVDD

CLKOUT

123456

• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.

P6-8 11-DP6-2 12-G

+B +B

HR-MB3

6 – 6

Figure 6-6 SCHEMATIC DIAGRAM (6/12)

R319 10K

R328

10K

R326

12K

R325

1.5K

R320

100u/4V

C310

TL305

TL303

0.1u

C309

R317

R318

R305

0.1u

C311

100u/6.3V

C312

TL304

TL302

100u/6.3V

C313

301

R323

R321

0u/6.3V

C308

VA301

130P

VA302

130P

27K

R329

22K

R333

TL310

TL314

TL313

TL312 TL308

TL307

TL306

R337

R338

J300

HEADPHONES

SW300

HOLD

SW304

SKIP DOWN/

SCROLL LEFT/

REVIEW

SW305

VOLUME UP/

SCROLL UP

SW306

VOLUME DOWN/

SCROLL DOWN

SW307

SKIP UP/

SCROLL RIGHT/

CUE

SW301

RETERN/

POWER OFF

12K

R330

IC301

TLV320D

AUDIO DAC

213 14

1516

0.0033

C314

0.0033

C315

0.01u

C318

0.01u

C319

0.01u

C320

0.01u

C321

68K

R344

68K

R345

R327

FB300

FB301

R_HPOUT

KEYIN

L_HPOUT

R_HPOUT

L_HPOUT

AUDIO_GND

MICBIAS

VMID

AUDIO-L_IN/OUT

AUDIO-R_IN/OUT

AGND

(2.7--3.6V)

ROUT

LOUT

AVDD

78 9 10 11 12

MAIN PWB-A (3/6)

HR-MB3

6 – 7

Figure 6-7 SCHEMATIC DIAGRAM (7/12)

L400

1.6A/36V

F400 RB160M30

D400

10u/6.3V

C405

10u/6.3V

C406

10u/6.3V

C403

TPS

10u/6.3V

C422

C400 15K

R408

15K

R407

33K

R405

47K

R402

10u/6.3V

C402

TL400

TL401 TL403

10u/6.3V

C404

IC402

TPS72201

1.6V

REGULAT

KDS121E

D401

R400

R401

100K

R409

0.1u

C401

100K

R404

270K

R424

330K

R425

0.1u

C424

R428

0.1u

C425

1SS400

D404

R437

TL404

TL405

TL407

TL406

TL408

TL409

TL410 TL411

10u

C427

10u

C429

C430

MCH3405

Q404

3.3K

R436

10K

R430

10K

R429

560K

R433

RB520S30

D402

RB520S30

D405

KDS121E

D403

TL402

150K

R406

150K

R427

0.1u

C428

RN2104

Q403

P401

SW401

BATTERY ON/OFF

123

J400

DC IN 6V

IC400

BQ24032

Li-Ion CHSRGE AND

POWER MANAG

23456789

1213

1415161718

R438

0.047u

C431

560K

R445

1SS400

D406

680

R443

R446

5.6K

R434

D408

UDZS8R2B

100K

R435

0.1u

C434

RN1104

Q402

R426

R450

5.6K

R451

680

R452

680

R453

P-CON

POW_ON_SW2

DCDC_EN

BATT_DET

CE_CONT

FUNCTION_SW2

AC_DET

CHARGE_ON/OFF_DET

CVCC_CTL

CHARGER_CE_CONT

P-CON

HDD_ON

LCD_BL_ON

(-)

BATT

(+)

3.3V D

1.6V DC

USBIN

LDO

zUSBPG

STAT1

zACPG

STAT2

OUT

BATIN

OUT

ACIN

OUT

BATIN

TMR

ISET2

DPPM

PSEL

ISET1

VSS

IC400

123456

• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.

MAIN PWB-A (4/6)

+B +B

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