hit counter script
Sharp DK-AP2 Service Manual
  1. Manuals
  2. Brands
  3. Sharp Manuals
  4. Stereo System
  5. DK-AP2
  6. Service manual

Sharp DK-AP2 Service Manual

Music system for ipod
Hide thumbs Also See for DK-AP2:
Table of Contents

Advertisement

Quick Links

Download this manual
iPod is a trademark of Apple Inc.,
registered in the U.S and other countries.
[2] Specifications .................................................1-1
[3] Name Of Parts................................................1-2
[1] Disassembly .................................................. 2-1
[1] Block Diagram ................................................3-1
[1] Voltage .......................................................... 4-1
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
SERVICE MANUAL
MUSIC SYSTEM FOR iPod
MODEL
MUSIC SYSTEM FOR iPod
MODEL
• In the interests of user-safety the set should be restored to
its original condition and only parts identical to those
specified be used.
• Note for users in U.K.
Recording and playback of any material may require
consent which SHARP is unable to give. Please refer
particularly to the provisions of Copyright Act 1956, the
Performers Protection Acts 1963 and 1972 and subsequent
statutory enactments and orders.
CONTENTS
[1] Notes On Schematic Diagram ....................... 5-1
[2] Types Of Transistor And LED........................ 5-1
[3] Chart Of Connecting Wires............................ 5-2
[4] Schematic Diagram ....................................... 5-4
[5] Wiring Side Of PWB ...................................... 5-14
[1] Function Table Of IC......................................6-1
This document has been published to be used for
after sales service only.
- 1
The contents are subject to change without notice.
DK-AP2/DK-AP2(BK)
No. S7737DKAP2H//
DK-AP2
(For Europe, U.K.)
(
DK-AP2
BK
(For Europe, U.K.)
)

Advertisement

Table of Contents
loading

Related Manuals for Sharp DK-AP2

Summary of Contents for Sharp DK-AP2

  • Page 1: Table Of Contents

    Recording and playback of any material may require registered in the U.S and other countries. consent which SHARP is unable to give. Please refer particularly to the provisions of Copyright Act 1956, the Performers Protection Acts 1963 and 1972 and subsequent statutory enactments and orders.

  • Page 2: Precautions For Using Lead-Free Solder

    DK-AP2/DK-AP2(BK) PRECAUTIONS FOR USING LEAD-FREE SOLDER 1. Employing lead-free solder "MAIN, iPOD, POWER SWITCH, PLAY SWITCH, BATTERY POSITIVE, BATTERY NEGATIVE, LED PWB" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWB and service manuals.

  • Page 3: Chapter 1. General Description

    OK: The “GOOD” lamp lights. NG: The “NG” lamp lights and the buzzer sounds. FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. [2] Specifications DK-AP2/DK-AP2(BK) DK-AP2/DK-AP2(BK) for U.K. General General Power source DC IN 6V...
  • Page 4 DK-AP2/DK-AP2(BK) [3] Names Of Parts Top view 1. Power Indicator 2. E SOUND Indicator 3. Skip Down Button SOUND SOUND 4. Play/Pause Button STAND-BY STAND-BY 5. Skip Up Button 6. iPod Dock 7. Volume Down Button 8. ON/STAND-BY Button 9. Volume Up Button 10.

  • Page 5: Chapter 2. Mechanical Description

    DK-AP2/DK-AP2(BK) CHAPTER 2. MECHANICAL DESCRIPTION [1] Disassembly Caution on disassembly (B1)x2 Follow the below-mentioned notes when disassembling M2.6x6mm the unit and reassembling it, to keep it safe and ensure Battery Positive PWB excellent performance: Battery Negative PWB 1) Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit.
  • Page 6 DK-AP2/DK-AP2(BK) Bottom Cabinet (H1)x1 M3x10mm LED Holder (D1)x1 M3x8mm LED PWB (D5)x1 (H2)x2 (D3)x1 From Switch PWB M3x10mm M3x8mm (D4)x1 Main PWB From iPOD PWB Battery PWB Front Panel Ass’y Figure 7 Main Chassis (D2)x4 M3x10mm Figure 4 (K1)x4 M3x8mm...
  • Page 7 DK-AP2/DK-AP2(BK) -MEMO- 2 – 3...

  • Page 8: Chapter 3. Diagrams

    DK-AP2/DK-AP2(BK) CHAPTER 3. DIAGRAMS [1] Block Diagram Figure 1: BLOCK DIAGRAM (1/2) 3 – 1...
  • Page 9 DK-AP2/DK-AP2(BK) Figure 2: BLOCK DIAGRAM (2/2) 3 – 2...

  • Page 10: Chapter 4. Circuit Description

    DK-AP2/DK-AP2(BK) CHAPTER 4. CIRCUIT DESCRIPTION [1] Voltage IC101 IC102 IC103 VOLTAGE VOLTAGE VOLTAGE VOLTAGE 3.44 1.65 1.62 1.02 3.46 1.66 1.63 1.64 123.30mV 1.65 1.64 1.62 3.46 1.90mV 2.10mV 1.63 3.45 1.65 3.30 3.29 3.47 1.66 3.30 3.29 4.93 1.65 2.10mV...

  • Page 11: Voltage

    DK-AP2/DK-AP2(BK) IC809 IC810 VOLTAGE VOLTAGE VOLTAGE VOLTAGE 0.60mV 0.21 2.29 2.28 -0.30mV 1.22 2.28 3.50mV 3.29 2.46 0.10mV 3.50mV 3.29 3.29 0.10mV 83.30mV -0.40mV 100.20mV 0.10mV 5.01 25.50mV 0.82 78.50mV 5.01 3.29 0.82 3.50mV 5.01 3.29 0.82 3.50mV 188.80mV 3.29 0.82...
  • Page 12 DK-AP2/DK-AP2(BK) -MEMO- 4 – 3...

  • Page 13: Chapter 5. Circuit Schematics And Parts Layout

    DK-AP2/DK-AP2(BK) CHAPTER 5. CIRCUIT SCHEMATICS AND PARTS LAYOUT [1] Notes On Schematic Diagram Resistor: • The indicated voltage in each section is the one • To differentiate the units of resistors, such symbol as measured by Digital Multimeter between such a K and M are used: the symbol K means 1000 ohm section and the chassis with no signal given.

  • Page 14: Schematic Diagram

    DK-AP2/DK-AP2(BK) [3] Schematic Diagram Figure 5-1: MAIN SCHEMATIC DIAGRAM (1/6) 5 – 2...
  • Page 15 DK-AP2/DK-AP2(BK) Figure 5-2: MAIN SCHEMATIC DIAGRAM (2/6) 5 – 3...
  • Page 16 DK-AP2/DK-AP2(BK) Figure 5-3: MAIN SCHEMATIC DIAGRAM (3/6) 5 – 4...
  • Page 17 DK-AP2/DK-AP2(BK) Figure 5-4: MAIN SCHEMATIC DIAGRAM (4/6) 5 – 5...
  • Page 18 DK-AP2/DK-AP2(BK) Figure 5-5: MAIN SCHEMATIC DIAGRAM (5/6) 5 – 6...
  • Page 19 DK-AP2/DK-AP2(BK) Figure 5-6: MAIN SCHEMATIC DIAGRAM (6/6) 5 – 7...
  • Page 20 DK-AP2/DK-AP2(BK) Figure 5-7: IPOD SCHEMATIC DIAGRAM (1/2) 5 – 8...
  • Page 21 DK-AP2/DK-AP2(BK) Figure 5-8: IPOD SCHEMATIC DIAGRAM (2/2) 5 – 9...
  • Page 22 DK-AP2/DK-AP2(BK) SCHEMATIC DIAGRAM FOR LED SECTION SCHEMATIC DIAGRAM FOR SWITCH SECTION SCHEMATIC DIAGRAM FOR BATTERY SECTION Figure 5-9: LED, BATTERY AND SWITCH SCHEMATIC DIAGRAM 5 – 10...
  • Page 23 DK-AP2/DK-AP2(BK) -MEMO- 5 – 11...
  • Page 24 DK-AP2/DK-AP2(BK) [4] Wiring Connection LED PWB-C 1 2 3 4 5 BI301 CNS301 MAIN PWB-A1 DC IN 6V AUX IN CNP102 CNP801 4 3 2 1 4 3 2 1 VIDEO OUT CNP8 iPOD PWB-A2 CNP202 BATTERY POSITIV CNP201 PWB-B3...
  • Page 25 DK-AP2/DK-AP2(BK) POWER SWITCH PWB-B1 CNP801 3 2 1 CNP800 CNP804 BI401 2 CNS804 PLAY SWITCH PWB-B2 BATTERY 1.5V BATTERY 1.5V OSITIVE BATTERY NEGATIVE PWB-B4 COLOR TABLE GRAY BLACK BLUE Figure 5-11: WIRING CONNECTION (2/2) 5 – 13...

  • Page 26: Wiring Side Of Pwb

    DK-AP2/DK-AP2(BK) [5] Wiring Side Of PWB MAIN PWB-A1 4 3 2 1 Figure 5-12: WIRING SIDE OF MAIN PWB (TOP VIEW) (1/2) 5 – 14...
  • Page 27 DK-AP2/DK-AP2(BK) 4 3 2 Lead-free solder indication Lead-free solder is used in the MAIN PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 5-13: WIRING SIDE OF MAIN PWB (TOP VIEW) (2/2) 5 – 15...
  • Page 28 DK-AP2/DK-AP2(BK) MAIN PWB-A1 C856 R861 C857 R862 C858 R863 C859 R864 C860 R865 C861 R866 C862 R867 Lead-free solder indication Lead-free solder is used in the MAIN PWB. Refer to "Precautions for handling lead-free solder" for instructions and precautions. Figure 5-14: WIRING SIDE OF MAIN PWB (BOTTOM VIEW) (1/2)
  • Page 29 DK-AP2/DK-AP2(BK) Figure 5-15: WIRING SIDE OF MAIN PWB (BOTTOM VIEW) (2/2) 5 – 17...
  • Page 30 DK-AP2/DK-AP2(BK) iPOD PWB-A2 Lead-free solder is used in the iPOD PWB. Refer to “Precautions for handling lead-free solder” for instructions and precautions. Figure 5-16: WIRING SIDE OF iPOD PWB (TOP VIEW) 5 – 18...
  • Page 31 DK-AP2/DK-AP2(BK) iPOD PWB-A2 Lead-free solder is used in the iPOD PWB. Refer to “Precautions for handling lead-free solder” for instructions and precautions. Figure 5-17: WIRING SIDE OF iPOD PWB (BOTTOM VIEW) 5 – 19...
  • Page 32 DK-AP2/DK-AP2(BK) POWER SWITCH PWB-B1 PLAY SWITCH PWB-B2 1 2 3 4 5 6 BATTERY POSITIVE PWB-B3 BATTERY NEGATIVE PWB-B4 LED PWB-C Lead-free solder is used in the LED, POWER SWITCH, PLAY SWITCH, BATTERY POSITIVE and BATTERY NEGATIVE PWB. Refer to “Precautions for handling lead-free solder” for instructions and precautions.

  • Page 33: Chapter 6. Others

    DK-AP2/DK-AP2(BK) CHAPTER 6. OTHERS [1] Function Table Of IC IC101 VHiNJM2794R-1 : GROUND NOISE ISOLATION (NJM2794) BLOCK DIAGRAM IN1- OUT1 IN1+ Vref IN2+ OUT2 IN2- PIN DESCRIPTION Symbol Function Output1 OUT1 Ground Vref Reference Voltage Power Supply OUT2 Output2 IN2+...
  • Page 34 DK-AP2/DK-AP2(BK) IC102 VHiNJM2115V-1 : DUAL OPERATiONAL AMPLiFiER (NJM2115) PIN COFIGURATION (TOP VIEW) PIN FUNCTION 1. A OUTPUT 2. A-INPUT 3. A+INPUT 4. V - 5. B+ INPUT 6. B- INPUT 7. B OUTPUT 8. V + MARK SPECIFICATION 2 1 1 5 J R C Device No.
  • Page 35 DK-AP2/DK-AP2(BK) IC600 VHiNJU26040-1 : DiGiTAL SOUND PROCESSOR ( NJU26040 ) ( 1 / 2 ) BLOCK DIAGRAM AD1/SDIN AD2/SSb SERIAL AUDIO INTERFACE 24bit Fixed-point DSP Core SCL/SCK BCK0 SERIAL PROGRAM HOST CONTROL INTERFACE SDA/SDOUT SDO0 24-BIT x 24-BIT MULTIPLIER [2:0]...
  • Page 36 DK-AP2/DK-AP2(BK) IC2 VHiNJU26040-1: DiGiTAL SOUND PROCESSOR (NJU26040) (2/2) PIN DESCRIPTION Pin No. Symbol Description 1, 7, 8, 25 – Power Supply +3.3V C I/O / 4-Wire Serial Output SDA / SDOUT This pin requires a pull-up resistance in both I C bus and 4-Wire serial mode.
  • Page 37 DK-AP2/DK-AP2(BK) IC801 VHiNJM2801U-1 : LOW DROPOUT VOLTAGE REGULATOR ( NJM2801U ) PIN CONFIGURATION PIN FUNCTION 2.GND EQUIVALENT CIRCUIT Thermal Protection Bandgap Reference 6 – 5...
  • Page 38 DK-AP2/DK-AP2(BK) IC802 & IC803 VHiNJM2801U-1 : LOW DROPOUT VOLTAGE REGULATOR ( NJM2880U ) PIN CONFIGURATION PIN FUNCTION 1. CONTROL (Active High) 2. GND 3. NOISE BYPASS EQUIVALENT CIRCUIT V OUT Cont Thermal Protection Bandgap Noise Bypass Reference 6 – 6...
  • Page 39 DK-AP2/DK-AP2(BK) IC804 VHiNJM2102M-1 : SYSTEM RESET ( NJM2102 ) PIN CONFIGURATION PIN FUNCTION 1. CT 2. RESET 3. CK 4. GND 5. V + 8. RESET BLOCK DIAGRAM 1.235V 1.235V Reference 10μA COMP.O 1.2μA 10μA kΩ COMP.S 40kΩ Watch Timer...
  • Page 40 DK-AP2/DK-AP2(BK) IC805 VHiNJU7707F-1 : VOLTAGE DETECTOR ( NJU7707F ) PIN CONFIGURATION PIN FUNCTION 1. DSW 3. MR EQUIVALENT CIRCUIT Delay Circuit Vref Delay Circuit Vref 6 – 8...
  • Page 41 DK-AP2/DK-AP2(BK) IC809 VHiNJU3713A-1 : 12-Bit SERIAL TO PARALLEL CONVERTER ( NJU3713A ) (1/2) PIN CONFIGURATION DATA BLOCK DIAGRAM DATA Controller Circuit 6 – 9...
  • Page 42 DK-AP2/DK-AP2(BK) IC809 VHiNJU3713A-1 : 12-Bit SERiAL TO PARALLEL CONVERTER ( NJU3713A ) (2/2) PIN DESCRIPTION Pin No. Symbol Description Parallel Conversion Data Output Terminals – – Non Connection Parallel Conversion Data Output Terminals DATA Serial Data Input Terminal Clock Signal Input Terminal...
  • Page 43 DK-AP2/DK-AP2(BK) IC810 VHiTPS61032-1 : DC - DC CONVERTER ( PS61032 ) BLOCK DIAGRAM VOUT Anti- VBAT Ringing PGND PGND Gate Control 100 kΩ PGND 10 pF Error Amplifier Regulator = 0.5 V Control Logic Oscillator Temperature Control SYNC Low Battery Comparator = 0.5 V...
  • Page 44 DK-AP2/DK-AP2(BK) -MEMO- 6 – 12...

  • Page 45: Parts Guide

    DK-AP2/DK-AP2(BK) PARTS GUIDE MUSIC SYSTEM FOR iPod DK-AP2 MODEL (For Europe, U.K.) MUSIC SYSTEM FOR iPod DK-AP2 MODEL (For Europe, U.K.) CONTENTS [7] RESISTORS [1] INTEGRATED CIRCUITS [8] OTHER CIRCUITRY PARTS [2] TRANSISTORS [9] CABINET PARTS [3] DIODES [10] ACCESSORIES/PACKING PARTS [4] COILS [11] P.W.B.
  • Page 46 DK-AP2/DK-AP2(BK) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] INTEGRATED CIRCUITS iC101 VHiNJM2794R-1 Noise isolation,NJM2794 iC102 VHiNJM2115V-1 Low Saturation OP-Amp,NJM2115 iC103 VHiAK4555VT-1 Codec iC iC104 VHiNJU8757V-1 Power Amplifier iC, NJU8757 iC600 VHiNJU26040-1 Digital Sound Processor,NJU26040 iC601 VHi24LC2BiN-1 2Kbit EEPROM...
  • Page 47 DK-AP2/DK-AP2(BK) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [4] COILS R617 RCILZA041AWZZ Ferrite Bead,120 ohm RCORFA015AWZZ Ferrite Core RCORFA015AWZZ Ferrite Core [5] RESONATOR XL601 RCRM-A006AWZZ RESONATOR, 36.8MHZ [6] CAPACITORS VCKYCY1HB104K 0.1 µ F,50V VCKYCY1HB104K 0.1 µ F,50V VCKYCY1HB104K 0.1 µ F,50V VCKYCY1HB104K 0.1 µ...
  • Page 48 DK-AP2/DK-AP2(BK) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [6] CAPACITORS C172 VCKYCY1HB104K 0.1 µ F,50V C177 VCEAZA1CW107M 100 µ F,16V,Electrolytic C201 VCKYCY1HB104K 0.1 µ F,50V C202 VCKYCY1HB104K 0.1 µ F,50V C203 RC-EZD226AF1C 22 µ F,25V,Electrolytic C204 VCKYCY1HB104K 0.1 µ F,50V...
  • Page 49 DK-AP2/DK-AP2(BK) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [7] RESISTORS R110 VRS-CY1JB822J 8.2 kohms,1/16W R111 VRS-CY1JB393J 39 kohms,1/16W R112 VRS-CY1JB393J 39 kohms,1/16W R113 VRS-CY1JB563J 56 kohms,1/16W R114 VRS-CY1JB563J 56 kohms,1/16W R115 VRS-CY1JB221J 220 ohms,1/16W R116 VRS-CY1JB221J 220 ohms,1/16W R117...
  • Page 50 DK-AP2/DK-AP2(BK) PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [7] RESISTORS R835 VRS-CY1JB103J 10 kohms,1/16W R838 VRS-CY1JB000J 0 ohms,Jumper,0.8x1.55mm R840 VRS-CY1JB103J 10 kohms,1/16W R841 VRS-CY1JB822J 8.2 kohm,1/16W R842 VRS-CY1JB682J 6.8 kohm,1/16W R843 VRS-CY1JB181J 180 ohms,1/16W R844 VRS-CY1JB271J 270 ohms,1/16W R845...
  • Page 51 DK-AP2/DK-AP2(BK) [9] CABINET PARTS 606x10 603X3 227X2 220X2 607X4 604X2 211X2 PWB-C 607X4 201-1 603X3 220X2 BLUE 201-2 201-3 604X3 602X2 PWB-A1 PWB-B1 602X2 PWB-A2 PWB-B2 602X3 602X2 604X4 PWB-B4 601X2 PWB-B3 609X4 217X4...
  • Page 52 CPNLSA069AW02 Front Panel Ass'y [ DK-AP2 ] CPNLSA069AW03 Front Panel Ass'y [ DK-AP2(BK) ] 201-1 ------------- Front Panel [ DK-AP2 ] (Not Replacement item) 201-1 ------------- Front Panel [ DK-AP2(BK) ] (Not Replacement item) 201-2 ------------- Grill, Punching [ DK-AP2 ] (Not Replacement item)
  • Page 53 DK-AP2/DK-AP2(BK) [10] ACCESSORIES / PACKING PARTS PACKING METHOD (FOR U.K. ONLY) AC Power Supply Cord [ DK-AP2(BK) ] QACCBA004AW00 SPAKP0026AWZZ Polyethylene Bag, AC Cord QACCBA004AW09 AC Power Supply Cord [ DK-AP2 ] SSAKAA011AWZZ Polyethylene Bag, Accessories RADPAA036AWZZ AC/DC Adaptor [ DK-AP2(BK) ]...
  • Page 54 MARK RANK [10] ACCESSORIES / PACKING PARTS QACCBA004AW00 AC Power Supply Cord [ DK-AP2(BK) ] [ For U.K.] QACCBA004AW09 AC Power Supply Cord [ DK-AP2 ] [ For U.K.] QACCEA004AW00 AC Power Supply Cord [ DK-AP2(BK) ] [ For Europe]...
  • Page 55 DK-AP2/DK-AP2(BK) -MEMO-...
  • Page 56 DK-AP2/DK-AP2(BK) A0708 SG SK...

This manual is also suitable for:

Dk-ap2bk

Table of Contents