JVC NXPN-7 Service manual

SERVICE MANUAL

MB675<Rev.002>20089SERVICE MANUAL

NX-PN7J,NX-PN7C,NX-PN7B,NX-PN7E,

NX-PN7US,NX-PN7UW,NX-PN7UJ

COMPACT COMPONENT SYSTEM

NX-PN7EN,NX-PN7EV,NX-PN7A,

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

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

2 SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

COPYRIGHT © 2008 Victor Company of Japan, Limited

No.MB675<Rev.002>

2008/9

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 2008/07 2008/09
Model No. NX-PN7C,

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

NX-PN7J

Dock A and B for iPod
* Only for still picture.

Compatible iPod types
iPod nano 1GB/2GB/4GB

yes
no

NX-PN7A,
NX-PN7B,

NX-PN7C,

NX-PN7E,
NX-PN7EN,
NX-PN7EV,

NX-PN7J,

NX-PN7UJ,
NX-PN7US,
NX-PN7UW

Dock A and B for iPod
* Only for still picture.

Compatible iPod types
iPod nano 1GB/2GB/4GB

Audio
yes

COPYRIGHT © 2008 Victor Company of Japan, Limited

MB675-R002

2008/09

Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description

11

12

13

14

15

16

17

18

19

20

21 -

22 -

iPod nano (2nd Generation)
2GB/4GB/8GB

yes
no

iPod nano (3rd Generation) 4GB/8GB

yes

yes

iPod mini 4GB
yes
no

iPod mini (2nd Generation) 4GB/ 6GB

yes
no

iPod (4th Generation) 20GB/40GB

yes

no

iPod photo (4th Generation)

20GB/30GB/40GB/60GB
yes

yes*

iPod video (5th Generation)
30GB/60GB/80GB

yes
yes

iPod classic 80GB/160GB

yes

yes

iPod touch 8GB/16GB/32GB
yes
yes

iPhone 4GB/8GB/16GB
yes

yes

Video
no

iPod nano (2nd Generation)

2GB/4GB/8GB
Audio

yes

Video
no

iPod nano (3rd Generation) 4GB/8GB

Audio
yes

Video

yes

iPod mini 4GB

Audio

yes

Video
no

iPod mini (2nd Generation) 4GB/ 6GB

Audio

yes

Video
no

iPod (4th Generation) 20GB/40GB
Audio

yes

Video
no

iPod photo (4th Generation)
20GB/30GB/40GB/60GB

23 -

24 -

25 -

26 -

2 (MB675-R002)

Audio
yes

Video
yes*

iPod video (5th Generation)
30GB/60GB/80GB

Audio
yes

Video
yes

iPod classic 80GB/160GB

Audio
yes

Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description

27 -

28 -

29 -

30 -

31 -

54 - NX-PN7BEENEV
55 -

56 -

57 ­ 58 -

59 ­ 60 ­ 61 -

62 -

63 -

64 -

65 -

66 -

67 -

68 -

69 -

Video
yes

iPod touch 8GB/16GB/32GB

Audio
yes

Video
yes

iPhone 4GB/8GB/16GB

Audio
yes

Video
yes

Amplifier
Output Power

10 W (5 W + 5 W) at 8 Ω (10% THD)
(IEC268-3)

Terminals
AUDIO IN

Input Sensitivity/
Impedance (1 kHz)

LEVEL 1: 500 mV/47 kΩ
LEVEL 2: 250 mV/47 kΩ
LEVEL 3: 125 mV/47 kΩ
Dock A and B for iPod

* Only for still picture.
Compatible iPod types
iPod nano 1GB/2GB/4GB
Audio
yes

Video
no

iPod nano (2nd Generation)
2GB/4GB/8GB

Audio
yes

Video
no

iPod nano (3rd Generation) 4GB/8GB
Audio
yes

Video
yes

iPod mini 4GB
Audio
yes

Video
no

iPod mini (2nd Generation) 4GB/ 6GB
Audio
yes

(MB675-R002) 3

Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description

70 -

71 -

72 -

73 -

74 -

75 -

76 -

77 -

78 -

79 -

80 -

81 -

82 -

83 -

84 -

85 -

Video
no

iPod (4th Generation) 20GB/40GB
Audio
yes

Video
no

iPod photo (4th Generation)
20GB/30GB/40GB/60GB

Audio
yes

Video
yes*

iPod video (5th Generation)
30GB/60GB/80GB

Audio
yes

Video
yes

iPod classic 80GB/160GB
Audio
yes

Video
yes

iPod touch 8GB/16GB/32GB
Audio
yes

Video
yes

iPhone 4GB/8GB/16GB
Audio
yes

Video
yes

Output power (each iPod)
DC 5 V 500 mA

VIDEO OUT (For iPod)
Composite

PHONES

86 ­ 87 ­ 88 -

89 ­ 90 -

91 -

92 -

4 (MB675-R002)

32Ω 1 kΩ
15 mW/ch output into 32 Ω
Tuner
FM tuning range

87.50 MHz - 108.00 MHz
Unit
Dimensions (W/H/D)

318 mm × 148 mm × 154 mm
Mass

Approx. 1.6 kg
Speaker Specifications

Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description

93 -

94 -

95 -

96 ­ 97 -

98 -

99 -

100 -

101 ­ 102 ­ 103 -

105 - Design and specifications are subject to

106 - NX-PN7AUSUJUW
107 -

108 -

109 ­ 110 -

111 ­ 112 ­ 113 -

114 -

115 -

116 -

Type
Full range bass-reflex type

Speakers
7 cm cone × 2

Impedance
8 Ω

Power Specifications
Power Source

DC 10.7 V 3 A (EXTERNAL DC IN)
AC Adaptor (AA-R1001)

INPUT
AC 110 - 240 V 50 Hz/60 Hz 1 A

OUTPUT
DC 10.7 V 3 A 32.1 VA

Power Consumption

35 W (power on mode)
4 W or less (in Standby mode)
1 W or less (in ECO mode)
19 W (in Standby mode with two iPod

devices connected.)

change without notice.

Amplifier
Output Power

10 W (5 W + 5 W) at 8Ω(10% THD)
(IEC268-3)

Terminals
AUDIO IN

Input Sensitivity/
Impedance (1 kHz)

LEVEL 1: 500 mV/47 kΩ
LEVEL 2: 250 mV/47 kΩ
LEVEL 3: 125 mV/47 kΩ
Dock A and B for iPod

* Only for still picture.
Compatible iPod types
iPod nano 1GB/2GB/4GB
Audio
yes

Video
no

iPod nano (2nd Generation)
2GB/4GB/8GB

Audio
yes

Video
no

(MB675-R002) 5

Title Line No.MB675<Rev.001> No.MB675<Rev.002> Description

117 -

118 -

119 -

120 -

121 -

122 -

123 -

124 -

125 -

126 -

127 -

128 -

129 -

130 -

131 -

132 -

133 -

134 -

135 -

136 -

iPod nano (3rd Generation) 4GB/8GB
Audio
yes

Video
yes

iPod mini 4GB
Audio
yes

Video
no

iPod mini (2nd Generation) 4GB/ 6GB
Audio
yes

Video
no

iPod (4th Generation) 20GB/40GB
Audio
yes

Video
no

iPod photo (4th Generation)
20GB/30GB/40GB/60GB

Audio
yes

Video
yes*

iPod video (5th Generation)
30GB/60GB/80GB

Audio
yes

Video
yes

iPod classic 80GB/160GB
Audio
yes

Video
yes

iPod touch 8GB/16GB/32GB
Audio
yes

Video
yes

iPhone 4GB/8GB/16GB
Audio
yes

Video
yes

Output power (each iPod)
DC 5 V 500 mA

VIDEO OUT (For iPod)
Composite

6 (MB675-R002)