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JVC NX-PN7J Service Manual

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SERVICE MANUAL
COMPACT COMPONENT SYSTEM
9 S ERVICE MANUAL
2008
MB675<Rev.002>
NX-PN7J,NX-PN7C,NX-PN7B,NX-PN7E,
NX-PN7EN,NX-PN7EV,NX-PN7A,
NX-PN7US,NX-PN7UW,NX-PN7UJ
COPYRIGHT © 2008 Victor Company of Japan, Limited
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

TABLE OF CONTENTS

COPYRIGHT © 2008 Victor Company of Japan, Limited
NX-PN7B, NX-PN7E
NX-PN7EN, NX-PN7EV
No.MB675<Rev.002>
2008/9

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Summary of Contents for JVC NX-PN7J

  • Page 1: Table Of Contents

    SERVICE MANUAL COMPACT COMPONENT SYSTEM MB675<Rev.002> 2008 9 S ERVICE MANUAL NX-PN7J,NX-PN7C,NX-PN7B,NX-PN7E, NX-PN7EN,NX-PN7EV,NX-PN7A, NX-PN7US,NX-PN7UW,NX-PN7UJ NX-PN7B, NX-PN7E NX-PN7EN, NX-PN7EV COPYRIGHT © 2008 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS PRECAUTION.
  • Page 2 REVISION INFORMATION COMPACT COMPONENT SYSTEM NX-PN7J, NX-PN7C, NX-PN7B, NX-PN7E, NX-PN7EN, NX-PN7EV, NX-PN7A, NX-PN7US, NX-PN7UW, NX-PN7UJ ■ OVERVIEW Add NX-PN7B, NX-PN7E, NX-PN7EN, NX-PN7EV, NX-PN7A, NX-PN7US, NX-PN7UW and NX-PN7UJ ■ DETAILS COVER SECTION Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description Revision Rev.001 Rev.002 Issue Date...
  • Page 3 Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description iPod nano (2nd Generation) Video 2GB/4GB/8GB 12 iPod nano (3rd Generation) 4GB/8GB iPod nano (2nd Generation) 2GB/4GB/8GB Audio iPod mini 4GB Video 14 iPod mini (2nd Generation) 4GB/ iPod nano (3rd Generation) 4GB/8GB Audio iPod (4th Generation) 20GB/40GB Video 16 iPod photo (4th Generation)
  • Page 4 Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description 27 - Video 28 - iPod touch 8GB/16GB/32GB Audio 29 - Video 30 - iPhone 4GB/8GB/16GB Audio 31 - Video 54 - NX-PN7BEENEV 55 - Amplifier 56 - Output Power 10 W (5 W + 5 W) at 8 Ω (10% THD) (IEC268-3) 57 - Terminals...
  • Page 5 Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description 70 - Video 71 - iPod (4th Generation) 20GB/40GB Audio 72 - Video 73 - iPod photo (4th Generation) 20GB/30GB/40GB/60GB Audio 74 - Video yes* 75 - iPod video (5th Generation) 30GB/60GB/80GB Audio 76 - Video 77 - iPod classic 80GB/160GB...
  • Page 6 Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description 93 - Type Full range bass-reflex type 94 - Speakers 7 cm cone × 2 95 - Impedance 8 Ω 96 - Power Specifications 97 - Power Source DC 10.7 V 3 A (EXTERNAL DC IN) 98 - AC Adaptor (AA-R1001) INPUT...
  • Page 7 Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description 117 - iPod nano (3rd Generation) 4GB/8GB Audio 118 - Video 119 - iPod mini 4GB Audio 120 - Video 121 - iPod mini (2nd Generation) 4GB/ 6GB Audio 122 - Video 123 - iPod (4th Generation) 20GB/40GB Audio 124 - Video...

  • Page 8: Precaution

    Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description 137 - PHONES 32Ω 1 kΩ 15 mW/ch output into 32 Ω 138 - 139 - Tuner 140 - FM tuning range 87.50 MHz-108.00 MHz 141 - Unit 142 - Dimensions (W/H/D) 318 mm × 148 mm × 154 mm 143 - Mass Approx.
  • Page 9 Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description 2. Any unauthorised design alterations or additions will void the manufacturer's guarantee; furthermore the manufacturer cannot accept responsibility for personal injury or property damage resulting therefrom. 3. Essential safety critical components are identified by ( ILLUSTRATION(kigo001.png) ) on the Parts List and by shading on the schematics, and must never be replaced by parts other than those listed in the...
  • Page 10 Diagram Name No.MB675<Rev.001> No.MB675<Rev.002> Description Menu U705: BI119711X BI119711X.xml Menu U703: BI117371X NJM2233BM.xml Menu U303: BI126541V TDA7266SA.xml (MB675-R002) 9...

  • Page 11: Parts List

    PARTS LIST MODEL No. LIST Model No. No.MB675<Rev.002> NX-PN7A NX-PN7B NX-PN7C NX-PN7E NX-PN7EN NX-PN7EV NX-PN7J NX-PN7UJ NX-PN7US NX-PN7UW General assembly [M1] Part No. Symbol or Part Name Description Models <Rev.001> <Rev.002> ------------ BI1005469102X1 FRONT CABINET (Addition) 1 07,08,09,0A ------------ BI1005450302X1 DISPLAY WINDOW...
  • Page 12 Part No. ! Symbol or Part Name Description Models <Rev.001> <Rev.002> M3 P1 ------------ BI410011378001 CARTON (Addition) 1 03,04,05,06 M3 P1 ------------ BI410011411001 CARTON (Addition) 1 07,08,09,0A M3 XXXXX ------------ ------------ BATTERY (Deletion) 1 01,02 (MB675-R002) 11...
  • Page 13 SPECIFICATION NX-PN7J,C Amplifier 7.5W per channel min. RMS driven into 8 Ω at 1 kHz with no more than 10% total harmonic distortion Output Power without iPod 7.0W per channel min. RMS driven into 8 Ω at 1 kHz with no more than 10% total harmonic distortion with an iPod 6.3W per channel min.
  • Page 14 NX-PN7BEENEV Amplifier 10 W (5 W + 5 W) at 8 Ω (10% THD) (IEC268-3) Output Power Terminals AUDIO IN Input Sensitivity/ LEVEL 1: 500 mV/47 kΩ Impedance (1 kHz) LEVEL 2: 250 mV/47 kΩ LEVEL 3: 125 mV/47 kΩ Dock A and B for iPod Compatible iPod types iPod nano 1GB/2GB/4GB...
  • Page 15 NX-PN7AUSUJUW Amplifier Output Power 10 W (5 W + 5 W) at 8Ω(10% THD) (IEC268-3) Terminals AUDIO IN Input Sensitivity/ LEVEL 1: 500 mV/47 kΩ Impedance (1 kHz) LEVEL 2: 250 mV/47 kΩ LEVEL 3: 125 mV/47 kΩ Dock A and B for iPod Compatible iPod types iPod nano 1GB/2GB/4GB Audio yes...
  • Page 16 SECTION 1 PRECAUTION Safety Precautions (1) This design of this product contains special hardware and voltmeter. many circuits and components specially for safety purpos- Move the resistor connection to each exposed metal es. For continued protection, no changes should be made part, particularly any exposed metal part having a return to the original design unless authorized in writing by the path to the chassis, and measure the AC voltage across...
  • Page 17 1.5 Safety Precautions (U.K only) (1) This design of this product contains special hardware and many circuits and components specially for safety purposes. For con- tinued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replace- ment parts must be identical to those used in the original circuits.

  • Page 18: Specific Service Instructions

    SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. SECTION 3 DISASSEMBLY Main body (Used figure are NX-PN7J) 3.1.1 Removing the Rear cabinet (See Fig.1, 2) (1) Remove the thirteen screws A attaching the Rear cabinet. (See Fig.1)
  • Page 19 3.1.2 Removing the Main board (See Fig.3 to 5) (1) Disconnect the connector wires from Jack board connect- WP304 ed to connector CN301A, CN302A CN306A of the Main board. (See Fig.3) (2) Disconnect the Earth wire connected to post pin WP304 the Main board.
  • Page 20 3.1.6 Removing the LED boards (See Fig.8) Remove the two screws G attaching the LED boards. Fig.8 3.1.7 Removing the iPod board (See Fig.9 to 12) (1) Remove the twelve screws H attaching the Speaker cov- ers. (See Fig.9) (2) Remove the four screws J attaching the Duct. (See Fig.10) (3) Remove the four screws K attaching the Holder.

  • Page 21: Adjustment

    SECTION 4 ADJUSTMENT This service manual does not describe ADJUSTMENT. SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING. 1-10 (No.MB675<Rev.002>)
  • Page 22 (No.MB675<Rev.002>)1-11...
  • Page 23 Victor Company of Japan, Limited Audio/Video Systems Division 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan (No.MB675<Rev.002>) Printed in Japan...

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