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JVC SU-DH1-J Service Manual
JVC SU-DH1-J Service Manual

JVC SU-DH1-J Service Manual

Surround sound headphone adaptor
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SERVICE MANUAL
SURROUND SOUND HEADPHONE ADAPTOR
3
2006
XC045
1
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
SU-DH1-J/E
TM
Model No.(Bottom)
TABLE OF CONTENTS
COPYRIGHT © 2006 Victor Company of Japan, Limited
Model No.
No.XC045
2006/3

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Summary of Contents for JVC SU-DH1-J

  • Page 1 SERVICE MANUAL SURROUND SOUND HEADPHONE ADAPTOR XC045 2006 SU-DH1-J/E Model No. Model No.(Bottom) TABLE OF CONTENTS DISASSEMBLY ............... 1-3 TROUBLESHOOTING .
  • Page 2 SPECIFICATION SU-DH1-J/E Playable format Dolby Digital (Dolby Surround EX), Dolby Pro Logic II, DTS (DTS-ES 6.1ch),MPEG-2 AAC, PCM (Fs=44.1kHz, 48kHz) Surround function Dolby Headphone (DH1/DH2/DH3), Dolby Pro Logic II (AUTO/MOVIE/MUSIC) Input terminals Optical digital signal mini jack x 1, LINE IN signal cord with Gold plated stereo mini plug (3.5mm) x 1...
  • Page 3 SECTION 1 DISASSEMBLY Disassembly method Top case Switch knob Main board Switch knob Side panel L Bottom case Side panel R BACK SIDE Line IN cord Boss 'a' Bond of rubber Bottom case Battery cover (1) Remove the battery cover from the back of the main body, and then pull out the line-in cord from the slot. (2) From the back of the main body, respectively remove the two screws A, and another two screws B attaching the bottom case.
  • Page 4: Troubleshooting

    SECTION 2 TROUBLESHOOTING Measuring instrument • DC power supply (3V 500mA can be output.) • Audio signal generator • Vacuum Tube Volt Meter • Oscilloscope • DVD Player with optical digital output About power supply Please set the output voltage of the DC power supply to 3V, connect with SP1 and SP2 on the substrate as follows, and do the con- firmation work.
  • Page 5 Symptom Check point Voltage and waves when Check part and breakdown parts it is normal Analog input : C5, C6 Positive pin Sine wave NO→ Connected check from J4 to C4, C5 The sound is not emitted. YES→ Check since 9 C28, 29 Positive pin Sine wave NO→...
  • Page 6 Victor Company of Japan, Limited ACCESSORIES CATEGORY 1644, Shimotsuruma, Yamato, Kanagawa 242-8514, Japan (No.XC045) Printed in Japan...
  • Page 7 Block diagram A/D D/A Headphone AMP Analog VOLUME Headphone Jack Line in cord J4 AK4552VT-X LA4534M-X CODEC Control X'TAL 12.288M Optical Digital IC10 AK4116VNP-W input J2 BATTERY DD/PL /AAC/DTS Decode 1.5V 4M Serial Flash Memory Dolby Headphone DC JACK M25P40VMN6P-X (JAPAN ONLY) DSPC56371-W Low Battery.
  • Page 8 Standard schematic diagram Main section VCC-3.3 QAM0803-001 220p NQR0251-001X C151 220p C152 AK4552VT-X 3.9K/0.1 10U/6.3 RT1P441C 4.7U/6.3 10U/6.3 10K/0.1 NNS0011-001X 220U/6.3 C161 0.001 2.2K 22/0.1 10U/6.3V 10U/6.3 LA4534M-X NNZ0153-001 10U/6.3 22/0.1 NVQ0009-B14X 0.1U/50 NQR0251-001X C162 0.001 QSW0665-001 VCC-3.3 220U/6.3 AGND C164 C163 0.15U...
  • Page 9 AK4552VT-X(IC3):AD/DA Converter Description of major ICs ROUT AK4116VNP-W(IC10):Digital audio receiver LOUT VCOM 20 19 18 17 16 BCLK INT1 DEM0 MCLK DVDD DEM1 LRCK DVSS CCLK SDTO SDTI CDTI CDTO 9 10 Clock MCLK Decimation Divider Modulator filter LRCK AVSS AVDD R BCLK Decimation Modulator...
  • Page 10 DSPC56371AF180(IC2):DSP J47866-001(IC1):DC-DC Converter 8 OUT 7 LX 6 GND 5 SHDN (Top View) 20 mV Chip Enable SHDN _ZCUR CONTROL LOGIC _PWGONCE _MAINSW2ON SENSEFET _CEN Memory Expansion Area _PFM _MAINSWOFD Triple ESAI ESAI_1 GPIO EFCOP _SYNSW2ON Interface Timer Interface Interface Program X Data Y Data...
  • Page 11 J47868-001(IC6):DC-DC Converter J47870-001(IC8):Flash microcontroller MCLR/Vpp RB7/PGD RA0/AN0 RB6/PGC RA1/AN1 RA2/AN2/Vref-/CVref RA3/AN3/Vref+ RB3/PGM RA4/T0CKI/C1OUT VOUT RA5/AN4/SS/C2OUT RB0/INT OSC1/CLKI OSC2/CLKO RC0/T1OSO/T1CKI RC7/RX/DT RC1/T1OSI/CCP2 RC6/TX/CK RC2/CCP1 RC5/SDO Phase VOUT RC3/SCK/SCL RC4/SDI/SDA Compensation Comparator Driver PORTA Data Bus Buffer Program Counter RA0/AN0 Driver Logic FLASH RA1/AN1 Error Amp.
  • Page 12 Printed circuit board Main board Forward side C152 C151 IC11 Reverse side R164 C101 C102 IC10 R163 R101 R102 C103 2-11 2-12...
  • Page 13: Parts List

    PARTS LIST [SU-DH1-J/E] * All printed circuit boards and its assemblies are not available as service parts. * (x_) in a description column shows the number of the used part. - Contents - Exploded view of general assembly and parts list...
  • Page 14 Exploded view of general assembly and parts list Block No.M1MM BACK SIDE BACK SIDE 3-2(No.XC045)
  • Page 15 General assembly Block No. [M][1][M][M]  Symbol No. Part No. Part Name Description Local J22303-001 TOP CASE ASSY TOP CASE+WINDOW J34513-001 FUNCTION BUTTON J34514-001 SWITCH KNOB POWER & ATTENUA(x2) J34656-001 SIDE PANEL L J34512-001 SIDE PANEL R J22306-001 BOTTOM CASE ASSY BOTTOM CASE+LABEL J22305-001 BOTTOM CASE ASSY...
  • Page 16: Electrical Parts List

    Electrical parts list Main board Block No. [0][1]  Symbol No. Part No. Part Name Description Local  Symbol No. Part No. Part Name Description Local NBE20JM-476X TA E CAPACITOR 47uF 6.3V M NCB31HK-104X C CAPACITOR 0.1uF 50V K J47859-001 MAIN CB ASSY Main board assembly is not supplied.
  • Page 17  Symbol No. Part No. Part Name Description Local NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J NRSA63J-220X MG RESISTOR 22Ω 1/16W J NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J J47863-001 V RESISTOR R101 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R163 NRSA63J-4R7X MG RESISTOR 4.7Ω...
  • Page 18 Packing materials and accessories parts list Block No.M2MM *Blister cover *Decoraton Card Note: These parts which was marked * (Blister cover / Decoraton Card/ Blister tray) will not be able to supply as our service parts. *Blister tray Packing and accessories Block No.

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