Jvc-NXPN-7-Service-Manual电路原理图.pdf

SERVICE MANUALCOPYRIGHT © 2008 Victor Company of Japan, LimitedNo.MB6752008/9COMPACT COMPONENT SYSTEMMB67520089SERVICE MANUALNX-PN7J,NX-PN7C,NX-PN7B,NX-PN7E,NX-PN7EN,NX-PN7EV,NX-PN7A,NX-PN7US,NX-PN7UW,NX-PN7UJCOPYRIGHT © 2008 Victor Company of Japan, LimitedLead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)TABLE OF CONTENTS1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-52 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-73 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-74 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-105 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10NX-PN7B, NX-PN7ENX-PN7EN, NX-PN7EVREVISION 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-PN7UJ DETAILS COVER SECTION Title Line No.MB675 No.MB675 Description Revision Rev.001 Rev.002 Issue Date 2008/07 2008/09Model 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(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/4GB Audio yes 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/8GByes yes iPod nano (2nd Generation) 2GB/4GB/8GB Audio yes 13 iPod mini 4GB yes no Video no 14 iPod mini (2nd Generation) 4GB/ 6GByes no iPod nano (3rd Generation) 4GB/8GBAudio 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 yes iPod mini (2nd Generation) 4GB/ 6GBAudio 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/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 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 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 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 Audio 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 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-R1001) 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 change 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 still 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/8GBAudio yes 118 - Video yes 119 - iPod mini 4GB Audio yes 120 - Video no 121 - iPod mini (2nd Generation) 4GB/ 6GBAudio 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 - Video 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 Description 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 - Impedance 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 - 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 Precautions (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 manufacturer. 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 manufacturer's guarantee; furthermore the manufacturer cannot accept responsibility for personal 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 many 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 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 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 - 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 essential 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: BI102024X 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