JVC-NXPN7-cs-sm维修电路原理图.pdf

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1、SERVICE MANUAL COPYRIGHT 2008 Victor Company of Japan, Limited No.MB675 2008/9 COMPACT COMPONENT SYSTEM MB67520089 SERVICE MANUAL 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

2、(material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS 1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 2SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . .

3、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 3DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 4ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . .

4、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 5TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 NX-PN7B, NX-PN7E NX-PN7EN, NX-PN7EV RadioFans.CN 收音机爱好

5、者资料库 REVISION INFORMATION COMPACT COMPONENT SYSTEM COPYRIGHT 2008 Victor Company of Japan, Limited MB675-R002 2008/09 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-PN

6、7UJ DETAILS COVER SECTION Title Line No.MB675 No.MB675 Description Revision Rev.001 Rev.002 Issue Date 2008/07 2008/09 Model No. NX-PN7C, NX-PN7J NX-PN7A, NX-PN7B, NX-PN7C, NX-PN7E, NX-PN7EN, NX-PN7EV, NX-PN7J, NX-PN7UJ, NX-PN7US, NX-PN7UW Cover Illustration ILLUSTRATION(mb675_0001.png) ILLUSTRATION

7、(mb675_0001.png) Category Audio/Video Systems category Audio/Video Systems Division SPECIFICATION 1 NX-PN7J,C 10 Dock A and B for iPod * Only for still picture. Compatible iPod types iPod nano 1GB/2GB/4GB yes no Dock A and B for iPod * Only for still picture. Compatible iPod types iPod nano 1GB/2GB/

8、4GB Audio yes RadioFans.CN 收音机爱好者资料库 2 (MB675-R002) Title Line No.MB675 No.MB675 Description 11 iPod nano (2nd Generation) 2GB/4GB/8GB yes no Video no 12 iPod nano (3rd Generation) 4GB/8GB yes yes iPod nano (2nd Generation) 2GB/4GB/8GB Audio yes 13 iPod mini 4GB yes no Video no 14 iPod mini (2nd Ge

9、neration) 4GB/ 6GB yes no iPod nano (3rd Generation) 4GB/8GB Audio yes 15 iPod (4th Generation) 20GB/40GB yes no Video yes 16 iPod photo (4th Generation) 20GB/30GB/40GB/60GB yes yes* iPod mini 4GB Audio yes 17 iPod video (5th Generation) 30GB/60GB/80GB yes yes Video no 18 iPod classic 80GB/160GB yes

10、 yes iPod mini (2nd Generation) 4GB/ 6GB Audio yes 19 iPod touch 8GB/16GB/32GB yes yes Video no 20 iPhone 4GB/8GB/16GB yes yes iPod (4th Generation) 20GB/40GB Audio yes 21 - Video no 22 - iPod photo (4th Generation) 20GB/30GB/40GB/60GB Audio yes 23 - Video yes* 24 - iPod video (5th Generation) 30GB/

11、60GB/80GB Audio yes 25 - Video yes 26 - iPod classic 80GB/160GB Audio yes (MB675-R002) 3 Title Line No.MB675 No.MB675 Description 27 - Video yes 28 - iPod touch 8GB/16GB/32GB Audio yes 29 - Video yes 30 - iPhone 4GB/8GB/16GB Audio yes 31 - Video yes 54 - NX-PN7BEENEV 55 - Amplifier 56 - Output Power

12、 10 W (5 W + 5 W) at 8 (10% THD) (IEC268-3) 57 - Terminals 58 - AUDIO IN Input Sensitivity/ Impedance (1 kHz) LEVEL 1: 500 mV/47 k 59 - LEVEL 2: 250 mV/47 k 60 - LEVEL 3: 125 mV/47 k 61 - Dock A and B for iPod * Only for still picture. Compatible iPod types iPod nano 1GB/2GB/4GB Audio yes 62 - Video

13、 no 63 - iPod nano (2nd Generation) 2GB/4GB/8GB Audio yes 64 - Video no 65 - iPod nano (3rd Generation) 4GB/8GB Audio yes 66 - Video yes 67 - iPod mini 4GB Audio yes 68 - Video no 69 - iPod mini (2nd Generation) 4GB/ 6GB Audio yes 4 (MB675-R002) Title Line No.MB675 No.MB675 Description 70 - Video no

14、 71 - iPod (4th Generation) 20GB/40GB Audio yes 72 - Video no 73 - iPod photo (4th Generation) 20GB/30GB/40GB/60GB Audio yes 74 - Video yes* 75 - iPod video (5th Generation) 30GB/60GB/80GB Audio yes 76 - Video yes 77 - iPod classic 80GB/160GB Audio yes 78 - Video yes 79 - iPod touch 8GB/16GB/32GB Au

15、dio yes 80 - Video yes 81 - iPhone 4GB/8GB/16GB Audio yes 82 - Video yes 83 - Output power (each iPod) DC 5 V 500 mA 84 - VIDEO OUT (For iPod) Composite 85 - PHONES 32 1 k 86 - 15 mW/ch output into 32 87 - Tuner 88 - FM tuning range 87.50 MHz - 108.00 MHz 89 - Unit 90 - Dimensions (W/H/D) 318 mm 148

16、 mm 154 mm 91 - Mass Approx. 1.6 kg 92 - Speaker Specifications (MB675-R002) 5 Title Line No.MB675 No.MB675 Description 93 - Type Full range bass-reflex type 94 - Speakers 7 cm cone 2 95 - Impedance 8 96 - Power Specifications 97 - Power Source DC 10.7 V 3 A (EXTERNAL DC IN) 98 - AC Adaptor (AA-R100

17、1) INPUT AC 110 - 240 V 50 Hz/60 Hz 1 A 99 - OUTPUT DC 10.7 V 3 A 32.1 VA 100 - Power Consumption 35 W (power on mode) 101 - 4 W or less (in Standby mode) 102 - 1 W or less (in ECO mode) 103 - 19 W (in Standby mode with two iPod devices connected.) 105 - Design and specifications are subject to chan

18、ge without notice. 106 - NX-PN7AUSUJUW 107 - Amplifier 108 - Output Power 10 W (5 W + 5 W) at 8(10% THD) (IEC268-3) 109 - Terminals 110 - AUDIO IN Input Sensitivity/ Impedance (1 kHz) LEVEL 1: 500 mV/47 k 111 - LEVEL 2: 250 mV/47 k 112 - LEVEL 3: 125 mV/47 k 113 - Dock A and B for iPod * Only for st

19、ill picture. Compatible iPod types iPod nano 1GB/2GB/4GB Audio yes 114 - Video no 115 - iPod nano (2nd Generation) 2GB/4GB/8GB Audio yes 116 - Video no 6 (MB675-R002) Title Line No.MB675 No.MB675 Description 117 - iPod nano (3rd Generation) 4GB/8GB Audio yes 118 - Video yes 119 - iPod mini 4GB Audio

20、 yes 120 - Video no 121 - iPod mini (2nd Generation) 4GB/ 6GB Audio yes 122 - Video no 123 - iPod (4th Generation) 20GB/40GB Audio yes 124 - Video no 125 - iPod photo (4th Generation) 20GB/30GB/40GB/60GB Audio yes 126 - Video yes* 127 - iPod video (5th Generation) 30GB/60GB/80GB Audio yes 128 - Vide

21、o yes 129 - iPod classic 80GB/160GB Audio yes 130 - Video yes 131 - iPod touch 8GB/16GB/32GB Audio yes 132 - Video yes 133 - iPhone 4GB/8GB/16GB Audio yes 134 - Video yes 135 - Output power (each iPod) DC 5 V 500 mA 136 - VIDEO OUT (For iPod) Composite (MB675-R002) 7 Title Line No.MB675 No.MB675 Des

22、cription 137 - PHONES 32 1 k 138 - 15 mW/ch output into 32 139 - 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. 1.6 kg 144 - Speaker Specifications 145 - Type Full range bass-reflex type 146 - Speakers 7 cm cone 2 147 - Im

23、pedance 8 148 - Power Specifications 149 - Power Source DC 10.7 V 3 A (EXTERNAL DC IN) 150 - AC Adaptor (AA-R1001) INPUT AC 110 - 240 V , 50 Hz/60 Hz 1 A 151 - OUTPUT DC 10.7 V 3 A 152 - Power Consumption: 35 W (power on mode) 153 - 4 W or less (in Standby mode) 154 - 1 W or less (in ECO mode) 155 -

24、 19 W (in Standby mode with two iPod devices connected.) 157 - Design and specifications are subject to change without notice. SECTION 1 PRECAUTION Title Line No.MB675 No.MB675 Description 1.1 Safety Precautions 8 ILLUSTRATION(LXM-SA007- 001_01.png) ILLUSTRATION(LXM-SA009- 001_01.png) 1.5 Safety Pre

25、cautions (U.K only) T - 1.5 Safety Precautions (U.K only) 1 - 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufa

26、cturer. Replacement parts must be identical to those used in the original circuits. 8 (MB675-R002) Title Line No.MB675 No.MB675 Description 2 - 2. Any unauthorised design alterations or additions will void the manufacturers guarantee; furthermore the manufacturer cannot accept responsibility for per

27、sonal injury or property damage resulting therefrom. 3 - 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 manual. Please note however that man

28、y electrical and mechanical parts in the product have special safety related characteristics. These characteristics are often not evident from visual inspection. Parts other than specified by the manufacturer may not have the same safety characteristics as the recommended replacement parts shown in

29、the Parts List of the Service Manual and may create shock, fire, or other hazards. 4 - 4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of

30、electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after re-assembling. 1.5.1 Warning T - 1.5.1 Warning 1 - 1. Service should be performed by qualified personnel only. 2

31、- 2. This equipment has been designed and manufactured to meet international safety standards. 3 - 3. It is the legal responsibility of the repairer to ensure that these safety standards are maintained. 4 - 4. Repairs must be made in accordance with the relevant safety standards. 5 - 5. It is essent

32、ial that safety critical components are replaced by approved parts. 6 - 6. If mains voltage selector is provided, check setting for local voltage. 7 - ILLUSTRATION(LXM-SA009- 001_02.png) STANDARD SCHEMATIC DIAGRAMS Description of Major ICs Diagram Name No.MB675 No.MB675 Description Menu - U302: BI10

33、2024X BI102024X.xml Menu - U702: BI103952X BI103952X.xml Menu - U310: BI113231X BI113231X.xml (MB675-R002) 9 Diagram Name No.MB675 No.MB675 Description Menu - U705: BI119711X BI119711X.xml Menu - U703: BI117371X NJM2233BM.xml Menu - U303: BI126541V TDA7266SA.xml 10 (MB675-R002) PARTS LIST MODEL No.

34、LIST Model No. No.MB675 NX-PN7A 07 NX-PN7B 03 NX-PN7C 02 NX-PN7E 04 NX-PN7EN 05 NX-PN7EV 06 NX-PN7J 01 NX-PN7UJ 0A NX-PN7US 08 NX-PN7UW 09 General assembly M1 Part No. ! Symbol or Part Name Description QtyModels M1 6 - BI1005469102X1 FRONT CABINET (Addition) 1 07,08,09,0A M1 13 - BI1005450302X1 DISP

35、LAY WINDOW (Addition) 1 07,08,09,0A M1 14 - BI1005480102X1 AD ORNAMENT (Addition) 1 07,08,09,0A M1 35 - BI2035200101X1 BRACKET (Addition) 1 03,04,05,06,07,08,09,0A Electrical parts list Main board 01 Part No. ! Symbol or Part Name Description QtyModels 01 U801 - BI100NS9543000 IC (Addition) 1 03,04,

36、05,06 01 Q323 - DTC114TK DIGI TRANSISTOR(Addition) 1 03,04,05,06,07,08,09,0A 01 D324 - MTZJ20B Z DIODE (Addition) 1 03,04,05,06,07,08,09,0A 01 C437 - BICC475250KA02 C CAPACITOR (Addition) 1 03,04,05,06,07,08,09,0A ! 01 R303 BIRCW0100050X - RESISTOR (Deletion) 1 01,02 ! 01 R303 - BIRCW0100050X RESIST

37、OR (Addition) 1 01,03,04,05,06,07,08,09,0A 01 R330 - BIRC0000025A00 C RESISTOR (Addition) 1 03,04,05,06,07,08,09,0A 01 R357 - BIRC0000105A00 C RESISTOR (Addition) 1 03,04,05,06 01 R357 - BIRC1830105A00 C RESISTOR (Addition) 1 07,08,09,0A 01 CN302A - BI12S30063X SOCKET CONN (Addition) 1 03,04,05,06 0

38、1 CN307A - BI12P30293X CONNECTOR (Addition) 1 03,04,05,06,07,08,09,0A 01 RN801 - BIRN1020105A40 C RESISTOR (Addition) 1 03,04,05,06 DC jack board 05 Part No. ! Symbol or Part Name Description QtyModels 05 CN307B - BI240V03396M01 CONNECTOR (Addition) 1 03,04,05,06,07,08,09,0A 05 JK204 - BI23A0541X DC

39、 POWER JACK (Addition) 1 03,04,05,06,07,08,09,0A Packing and accessories M3 Part No. ! Symbol or Part Name Description QtyModels M3 A1 - BI440002109000 INST BOOK (Addition) 1 03 M3 A1 - BI440002089000 INST BOOK (Addition) 1 04 M3 A1 - BI440002108000 INST BOOK (Addition) 1 05 M3 A1 - BI440002126000 I

40、NST BOOK (Addition) 1 06 M3 A1 - BI440002127000 INST BOOK (Addition) 1 07 M3 A1 - BI440002107000 INST BOOK (Addition) 1 08 M3 A1 - BI440002092000 INST BOOK (Addition) 1 09 M3 A1 - BI440002125000 INST BOOK (Addition) 1 0A M3 A3 - BI400083291001 REGISTER CARD (Addition) 1 03 M3 A4 - - WARRANTY CARD (A

41、ddition) 1 03,04,05,06 M3 A4 - - WARRANTY CARD (Addition) 1 07,08,09,0A M3 A5 - BIG60NXPN702BX REMOCON UNIT (Addition) 1 03,04,05,06 M3 A8 - - BATTERY (Addition) 1 01,02,03,04,05,06,07,08,09,0A ! M3 A9 - BI212011030001 AC ADAPTOR (Addition) 1 03 ! M3 A9 - BI212011023001 AC ADAPTOR (Addition) 1 04,05

42、,06,08,09,0A ! M3 A9 - BI212011029001 AC ADAPTOR (Addition) 1 07 M3 A10 - - WARRANTY CARD (Addition) 1 07,08,09,0A ! M3 A11 - BI23A0095X CONVERSION PLUG (Addition) 1 08,09,0A (MB675-R002) 11 Part No. ! Symbol or Part Name Description Qty Models M3 P1 - BI410011378001 CARTON (Addition) 1 03,04,05,06

43、M3 P1 - BI410011411001 CARTON (Addition) 1 07,08,09,0A M3 XXXXX - - BATTERY (Deletion) 1 01,02 1-2 (No.MB675) SPECIFICATION NX-PN7J,C Design and specifications are subject to change without notice. Amplifier Output Powerwithout iPod7.5W per channel min. RMS driven into 8 at 1 kHz with no more than 1

44、0% total harmonic distortion with an iPod7.0W per channel min. RMS driven into 8 at 1 kHz with no more than 10% total harmonic distortion with two iPod devices6.3W per channel min. RMS driven into 8 at 1 kHz with no more than 10% total harmonic distortion Terminals AUDIO INInput Sensitivity/ Impedan

45、ce (1 kHz) LEVEL 1: 500 mV/47 k LEVEL 2: 250 mV/47 k LEVEL 3: 125 mV/47 k Dock A and B for iPod * Only for still picture. Compatible iPod typesiPod nano 1GB/2GB/4GBAudioyes Videono iPod nano (2nd Generation) 2GB/4GB/8GBAudioyes Videono iPod nano (3rd Generation) 4GB/8GBAudioyes Videoyes iPod mini 4GBAudioyes Videono iPod mini (2nd Generation) 4GB/ 6GBAudioyes Videono iPod (4th Generation) 20GB/40GBAudioyes Videono iPod photo (4th Generation) 20GB/30GB/40GB/60GBAudioyes Vid