Sharp XL-HF102B Service manual

SERVICE MANUAL

No. S5407XLHF102B

HI FI COMPONENT SYSTEM

XL-HF102B

XL-HF102B Hi Fi Component System consisting of XL-HF102B (main unit) and CP-HF102 (speaker system).

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified be used.

This audio system supports devices with Android 4.1, Jelly Bean and higher. For device with a lower Android version, refer the operation manual of the device for recommended app (application).

XL-HF102B

MODEL

CONTENTS

PRECAUTIONS FOR USING LEAD-FREE SOLDER

CHAPTER 1. GENERAL DESCRIPTION

[1] Safety Precaution For Service Manual ........ 1-1

[2] Important Service Notes (for U.S.A only) .... 1-1

[3] AC Power Supply Cord ................................ 1-1

[4] Specifications .............................................. 1-2

[5] Names Of Parts ........................................... 1-3

CHAPTER 2. ADJUSTMENTS

[1] CD Section .................................................. 2-1

[2] Version Check ............................................. 2-1

CHAPTER 3. MECHANICAL DESCRIPTION

[1] Disassembly ................................................ 3-1

CHAPTER 4. FLOWCHART

[1] Troubleshooting ........................................... 4-1

CHAPTER 5. MAJOR PART DRAWING

[1] Function Table Of IC.................................... 5-1

[2] FL Display.................................................. 5-13

CHAPTER 6. CIRCUIT DESCRIPTION

[1] Waveforms Of Servo Circuit ........................ 6-1

[2] Voltage......................................................... 6-2

CHAPTER 7. DIAGRAM

[1] Block Diagram ............................................. 7-1

CHAPTER 8. CIRCUIT SCHEMATICS AND PARTS LAYOUT

[1] Notes On Schematic Diagram ..................... 8-1

[2] Type Of Transistor And LED ........................ 8-1

[3] Schematic Diagram ..................................... 8-2

[4] Chart Of Connecting Wires ......................... 8-7

[5] Wiring Side Of PWB .................................... 8-8

PARTS GUIDE

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.

SHARP CORPORATION

– 1

This document has been published to be used for after sales service only. The contents are subject to change without notice.

XL-HF102B

PRECAUTIONS FOR USING LEAD-FREE SOLDER

1. Employing lead-free solder

“MAIN, DISPLAY and SMPS 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 lead-free solder.

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

C, and as it has poor solder wet ability, you may be apt to keep the soldering bit in contact with the PWB for

by 40

of lead-free solder (Sn-Ag-Cu) is about 220

C which is higher than the conventional lead solder

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.

PWB-A

PWB-B

*NOTE: Please refer to Parts Guide for PWB Service Category

Parts No.

92LPWB9056MANS

RUiTZ90566AW01

MAIN (A1) / DISPLAY (A2)

SMPS

Description

CHAPTER 1. GENERAL DESCRIPTION

XL-HF102B

1 – 1

– 3

XL-HF102B

AC 100 - 240 V ~ 50/60 Hz Power on: 22 W

Width: 8 - 1/2” (216 mm) Height: 3 - 4/5” (96 mm) Depth: 11 - 1/4” (285 mm)

4.6 lbs. (2.1 kg)

2.400GHz - 2.480GHz A2DP (Advanced Audio Distribution

Profile), AVRCP (Audio/Video Remote Control Profile) Bluetooth 2.1 +EDR

RMS:

Total 50 W (25 W per channel into 6 ohms at 1 kHz, 10% T.H.D.)

FTC:

19 W minimum RMS per channel into 6 ohms from 20 Hz to 20 kHz, 1% T.H.D.

Speakers: 6 ohms 20Hz - 20kHz Subwoofer Pre-out (audio signal):

200 mV/10 k ohms at 70 Hz Headphones: 16 - 50 ohms (recommended: 32 ohms)

Audio In (audio signal): 500 mV/47 k ohms Line in (Analogue input):

500 mV/47 k ohms

FM: 87.5 - 108.0 MHz AM: 530 - 1,710 kHz

40 (FM and AM station)

2-way type speaker system 2” (5 cm) tweeter

4” (10 cm) woofer 50 W

25 W 6 ohms

Width: 5-1/2” (139 mm) Height: 10-3/8” (264 mm) Depth: 6-1/6” (154 mm)

3.71 lbs. (1.7 kg)/each

– 4

1 – 2

XL-HF102B

2 3

1110 12

3 4

5 6 7

8 9

14 15

19 20

21 22 23

24 25

28 29

1. Remote sensor

2. Timer indicator

3. Disc Tray

4. Volume Control

5. ON/STANDBY Button

6. FUNCTION Button

7. USB Terminal

8. Audio In Jack

9. Headphone Jack

10. Pairing Button

11. Tuner Preset Down, CD/USB Skip Down Button

12. Tuner Preset Up, CD/USB Skip Up Button

13. Disc/USB/Bluetooth Stop Button

14. Disc/USB/Bluetooth Play or Pause Button

15. Disc Tray Open/Close Button

Remote control

1. Remote Control Transmitter

2. Open/Close Button

3. Bluetooth Play / Pause Button

4. USB Play / Pause Button

5. Pairing Button

6. CD/USB/Bluetooth Stop Button

7. Eco Button

8. Sleep Button

9. Treble Button

10. X-Bass Button

11. Bass Button

12. Folder Button

13. Tuning Down, Skip Down, Fast Reverse, Time Down Button

14. Memory Button

15. Tuner Preset Down Button

16. ON/STANDBY Button

17. CD Play / Pause Button

18. Tuner/Band Button

19. Audio/Line (Input) Button

20. Display Button

21. Mute Button

22. Dimmer Button

23. Volume Up Button

24. Volume Down Button

25. Clear Button

26. Play Mode Button

27. Tuner Preset Up Button

28. Tuning Up, Skip Up, Fast Forward, Time Up Button

29. Enter Button

30. Clock/Timer Button

Front panel

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1 – 3

XL-HF102B

1 3 4 5 6

12 13

1. Tweeter

2. Woofer

3. Bass Reflex Duct

4. Speaker cable

789 1011

1. USB Indicator

2. CD Indicator

24232220 2119181514 1716

3. MP3 Indicator

4. WMA Indicator

5. RDM (Random) Indicator

6. MEM (Memory) Indicator

7. Repeat Indicator

8. Play/Pause Indicator

9. Tuning FM/Bluetooth status Indicator

10. FM Stereo Mode Indicator

11. Stereo Station Indicator

12. Muting Indicator

13. X-bass Indicator

14. Title Indicator

15. Artist Indicator

16. Folder Indicator

17. Album Indicator

18. File Indicator

19. Track Indicator

20. Daily Timer Indicator

21. Once Timer Indicator

22. Disc Indicator

23. Total Indicator

24. Sleep Indicator

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1 – 4

CHAPTER 2. ADJUSTMENTS

[1] CD Section

XL-HF102B

Adjustment

Since this CD system incorporates the following automatic adjustment functions, readjustment is not needed when replacing the pickup. Therefore, different PWBs and pickups can be combined freely.

Each time a disc is changed, these adjustments are performed automatically. Therefore, playback of each disc can be performed under optimum conditions.

[2] Version Check

[Version Check Method]

1. During Audio In function, press button (main unit) then press and hold button (main unit) until software version display appears.

2. Software version displays as below.

Items adjusted automatically

Offset adjustment (The offset voltage between the head amplifier output and the VREF reference voltage is compensated inside the IC)

* Focus offset adjustment * Tracking offset adjustment

2) Tracking balance adjustment

Gain adjustment (The gain is compensated inside the

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

* Focus gain adjustment * Tracking gain adjustment

For model XL-HF102B: “ XL-HF102 Vxxx ” Vxxx : Software version

3. [Exiting Version Check]

3.1. While in Version display, press ON / STAND-BY button (main unit).

“RESET” appears at display. The unit will be reset before go to stand-by mode (demo).

3.2.

2 – 1

XL-HF102B

CD-ES700/CD-ES77CD-ES700/CD-ES77Service ManualCD-ES700/CD-ES77MarketE

CHAPTER 3. MECHANICAL DESCRIPTION

[1] Disassembly

Caution On Disassembly

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

1. Take 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 nee the unit, be sure to rearrange the leads where they were before disassembling.

d to be removed when disassembling the unit. After servicing

STEP REMOVAL PROCEDURE FIGURE

1 Top Cabinet

1. Screw..................(A1) X 4

1. Screw..................(A2) X 1 1

2 Rear Panel

3 Main PWB

4 Front Panel

Assy

5 SMPS PWB

6 CD Mechanism

1. Screw..................(B1) X 8

2. Screw..................(B2) X 1

1. Screw..................(C1) X 1

2. Socket ................(C2) X 2

3. Flat Cable ...........(C3) X 1

4. Socket ................(C4) X 1

1. Screw..................(D1) X 2

2. Screw..................(D2) X 2

3. Screw..................(D3) X 2

4. Screw..................(D4) X 1

5. Socket ................(D5) X 1

6. Flat Cable ...........(D6) X 1

7. Socket ................(D7) X 1

8. Hook ...................(D8) X 2

1. Screw..................(E1) X 2

1. Socket. ................(E2) X 1

1. Screw..................(F1) X 4

1 2 2 2 2 2

2 2 2 2 2 2 2 2

3 2

Assy

7 CD Mechanism

1. Screw................. (G1) X 4

Unit

8 Display PWB

1. Knob ...................(H1) X 1

2. Nut......................(H2) X 1

3. Washer ...............(H3) X 1

4. Screw..................(H4) X 5

(B2)x1

M3x8mm

SMPS PWB

(E2)x1

(C4)x1

(D7)x1

Main PWB

Hook

(D8)x1

PULL

(D1)x1

M3x6mm

Figure 2

(C1)x1 M3x10mm

(C2)x2

(D6)x1

(C3)x1

(D4)x1 M3x6mm

Front Panel Assy

(D8)x1

(D2)x2

M3x8mm

(D3)x2

M3x6mm

Main PWB

Hook

PULL

M3x6mm

(D1)x1

(D5)x1

M3x8mm

(A1)x2

M3x8mm

Rear Panel

(A1)x1

M3x8mm

(A2)x1

Special

Screw

Top Cabinet

(B1)x7

M3x8mm

(B1)x1

M3x6mm

Figure 1

Front Panel Assy

(A1)x1

M3x8mm

CD Mechanism Assy

CD Mechanism Unit

Special Screw (F1)x4

CD Mechanism Assy

Figure 3

Figure 4

(G1)x4 Special Screw

SMPS PWB

(E1)x2

M3x8mm

3 – 1

Display PWB

(H2)x1

(H3)x1

(H1)x1

XL-HF102B

STEP REMOVAL PROCEDURE FIGURE

1 Woofer/Tweeter

1. Screw........................(A1) X 4

2. Net Frame Ass’y.......(A2) X 1

3. Screw........................(A3) X 4

4. Screw........................(A4) X 2

6 6 6 6

(H4)x5

M2.6x8mm

Figure 5

Front Panel Assy

(A1)x4

Special Screw

(A2)x1

Net Frame Ass’y

(A4)x2

M3.5 x 14mm

(A3)x4

M3.5 x 14mm

Speaker Box

Figure 6

SPEAKER UNIT

LOCKING TAB

LOCKING

TAB

CAUTION:

TO REMOVE SPEAKER UNIT, PRESS THESE LOCKING TABS TO RELEASE SPEAKER WIRES.

SPEAKER

WIRE

3 – 2

XL-HF102B

CHAPTER 4. FLOWCHART

[1] Troubleshooting

1. When the CD does not function

The CD section may not operate when the objective lens of the optical pickup is dirty. Clean the objective lens, and check the playback operation. When this section does not operate even after the above step is taken, check the following items.

Remove the cabinet and follow the troubleshooting instructions.

“Track skipping and/or no TOC (Table Of Contents) may be caused by build up of dust other foreign matter on the laser pickup lens. Before attempting any adjustment make certain that the lens is clean. If not, clean it as mentioned below.”

Turn the power off.

Gently clean the lens with a lens cleaning tissue and a small amount of isopropyl alcohol.

Do not touch the lens with the bare hand.

Parts code

1. CD optical pickup Lens cleaner disc UDSKA0004AFZZ

HOW TO USE

Using the brush in the cleaner cap, apply 1 or 2 drops of the cleaning fluid to the brush on the CD cleaner disc which has the mark next to it.

Place the CD cleaner disc onto the CD disc tray with the brush side down, then press the play button.

You will hear music for about 20 seconds and the CD player will automatically stop. If it still play continuously, press the stop button.

Cleaning fluid

CAUTION

The CD lens cleaner should be effective for 30-50 operations, however if the brushes become worn out earlier then please replace the cleaner disc. If the CD cleaner brushes become very wet then wipe off any excess fluid with a soft cloth. Do not drink the cleaner fluid or allow it contact with the eyes. In the event of this happening then drink and / or rinse with clean water and seek medical advice. The CD cleaner disc must not be used on car CD players or on computer CD-ROM drives. All rights reserved. Unauthorized duplicating, broadcasting and renting this product is prohibited by law.

2. When a CD cannot be played

2.1. Pressing the CD operation key is accepted, but playback does not occur.

1) Focus-HF system check

2) Tracking system check

3) Spin system check

4) PLL system check

Cleaner disc

4 – 1

(1) Focus-HF system check.

Although a CD is inserted and the CD cover is closed, “NO DISC” is displayed.

Press the Open / Close switch without inserting a disc, and try starting the playback operation.

XL-HF102B

IC1

FDOUT

IC1

TDOUT

Figure 1

1. Does the pickup move to the PICKUP-IN Switch position ? Sled motor.

Yes

2. Does the focus (lens) move up and down ? (Waveform drawing Figure 1)

Check the focus peripheral circuit.

Yes

3. Is the laser lit ?

Check the laser diode driver Q5 peripheral circuit.

Yes

4. Is the turntable rotating ?

Spindle motor.

When a disc is loaded, start playback operation.

1. Is focus servo activated ? (Waveform drawing Figure 2)

Pins 16, 15, 14, 13 (2, 3, 6, 7, 8, 9) on IC1. Check the laser diode driver Q5 peripheral circuit.

2. Is the HF waveform normal ? (Waveform drawing Figure 3)

FDOUT

IC1

ANA_MONI1 (TE)

IC1

Yes

Figure 2

4 – 2

If the level is not normal.

IC1

FRI (RFOUT)

Figure 3

XL-HF102B

(2) Tracking system check.

Check the TE waveform at pin 62 on IC1.

If the waveform shown in Figure 4 appears and soon after NO DISC appears ?

“Initialization” is possible, but play is not possible ?

IC1

ANA_MONI1 (TE)

IC1

FRI (RFOUT)

Yes

Figure 4

The tracking servo is not activated. Check the peripheral circuits at pins 16, 15, 14, 13 on IC1 and CNP1.

A normal jump operation cannot be completed or the begining of the track cannot be found. Check the around pin 14 on IC1.

(3) Spin system check.

Press the OPEN/CLOSE switch without inserting a disc, and then try starting the play operation.

1. The turntable rotates a little ? (Waveform drawing Figure 5)

2. The turntable does not rotate.

FDO

IC1

SPDO

IC1

Yes

The spin driver circuit is OK.

Check around pin 16 on IC1, pins 5 and 6 on CNP2.

Figure 5

4 – 3

CHAPTER 5. MAJOR PART DRAWING

[1] Function Table Of IC

IC901 VHISTA339BW-1 : POWER AMPLIFIER IC (1/2)

noitpircseDemaNepyTniP

1 GND GND_SUB Substrate ground

2 I SA I

3 I TEST_MODE This pin must be connected to ground (pull-down)

4 I/O VSS Internal reference at V

5 I/O VCC_REG Internal V

6 O OUT2B Output half bridge 2B

7 GND GND2 Power negative supply

8 Power VCC2 Power positive supply

9 O OUT2A Output half bridge 2A

10 O OUT1B Output half bridge 1B

11 Power VCC1 Power positive supply

12 GND GND1 Power negative supply

13 O OUT1A Output half bridge 1A

14 GND GND_REG Internal ground reference

15 Power VDD Internal 3.3 V reference voltage

16 I CONFIG Paralleled mode command

17 O OUT3B / FFX3B PWM out Ch3B / external bridge driver

18 O OUT3A / FFX3A PWM out Ch3A / external bridge driver

19 O EAPD / OUT4B Power down for external bridge / PWM out Ch4B

20 I/O TWARN / OUT4A

21 Power VDD_DIG Digital supply voltage

22 GND GND_DIG Digital ground

23 I PWRDN Power down (pull-up)

24 Power

25 I FILTER_PLL Connection to PLL filter

26 GND GND_PLL Negative supply for PLL

27 I XTI PLL input clock

28 I BICKI I

29 I LRCKI I

30 I SDI I

31 I RESET Reset (pull-up)

32 O INT_LINE Fault interrupt

33 I/O SDA I

34 I SCL I

35 GND GND_DIG Digital ground

36 Power VDD_DIG Digital supply voltage

VDD_PLL Positive supply for PLL

C select address (pull-down)

- 3.3 V

reference

Thermal warning from external bridge (pull-up when input) / PWM out Ch4A

S serial clock

S left/right clock

S serial data channels 1 and 2

C serial data

C serial clock

XL-HF102B

Note : I - Input, O - Output

5 – 1

XL-HF102B

IC901 VHISTA339BW-1 : POWER AMPLIFIER IC (2/2)

GND_SUB

TEST_MODE

VSS

VCC_REG

OUT2B

GND2

VCC2

OUT2A

OUT1B

VCC1

GND1

OUT1A

GND_REG

VDD

CONFIG

OUT3B / FFX3B

OUT3A / FFX3A

VDD_DIG

GND_DIG

SCL

SDA

INT_LINE

RESET

SDI

LRCKI

BICKI

XTI

GND_PLL

FILTER_PLL

VDD_PLL

PWRDN

GND_DIG

VDD_DIG

TWARN / OUT4A

EAPD / OUT4B

Figure 5-1. Pin connection (top view)

5 – 2

+ 30 hidden pages