Philips _ntrx900_55_78 Datasheet

Mini Hi-Fi

System

NTRX900/55/78

TABLE OF CONTENTS

Chatper

Location of PC Boards & Versions Variation..............................1

Technical specification...............................................................2

Safety instruction........................................................................3

Set Block diagram ......................................................................4

Set Wiring diagram.....................................................................5

Disassembly diagram .................................................................6

Circuit diagram & PCBA Layout..................................................7

Mechanical Exploded view..........................................................8

Troubleshooting..........................................................................9

Revision List...............................................................................10

© Copyright 2015 Gibson Innovations Limited.

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system
or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Gibson Innovations. Philips and the Philips’Shield Emblem are
registered trademarks of Koninklijke Philips N.V. and are used by Gibson Innovations Limited
under license from Koninklijke Philips N.V.

Published by Fei & Kelly 1410 Subject to modification

3140 038 61340

Version 2.0

1-1

1.Location of PC Boards & Versions Variation

Location of PC Boards

Main Board

DISPLAY Board

LED Board

SMPS Board

Amp Board

VERSION VARIATION

Type /Versions:

Board in used:

MAIN BOARD
LED BOARD
AMP BOARD
DISPLAY BOARD

JACK BOARD

TUNER BOARD

SMPS BOARD
MCU+CD BOARD

Features

RDS
VOLTAGE SELECTOR
ECO STANDBY - DARK

* TIPS : C -- Component Level Repair.

M -- Module Level Repair

-- Used

Service policy

Type /Versions:

Feature diffrence

/55

/78

(ARGENTINA)

(LATAM)

C/M

C/M

C/M

C/M

C/M

C/M

C/M

C/M

C/M

C/M

C/M

C/M

M

M

C/M C/M

/77

/55

NTRX900

NTRX900

C/M
C/M

2-1

NX9 SH 190 content List

No. Descrpitopn Page

1 GENERAL PART 1 - FRONT PANNEL SPECICFICATION
2 GENERAL PART 2 - BACK PANNEL SPECICFICATION
3 GENERAL PART 3 - GENERAL SPECICFICATION
4 GENERAL PART 4 - TECHNICAL SPECICFICATION
5 GENERAL PART 5 - AUDIO SIGNAL SPECICFICATION
6 GENERAL PART 6 - AUDIO SIGNAL SPECICFICATION
7 GENERAL PART 7 - CLOCK / TIMER SPECICFICATION
8 GENERAL PART 8 USB/SD-Card SPECICFICATION

9 GENERAL PART 9 - TUNER SPECICFICATION ( All )
10 GENERAL PART 10 - CD / MP3 SPECICFICATION
11 GENERAL PART 11 - BT SPECICFICATION
12 GENERAL PART 12 - Microhone SPECICFICATION
13 GENERAL PART 13 - VERSION OVERVIEW SPECICFICATION

Issue: Andy Lai
Checked:

1
2
3
4
5
6
7
8

9
10
11
12
13

DATE: 2014-02-18

2-2

27

Pos

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

Description PageDEPICTION
1
2
3
4
5
6
7
8
9

CABINET

Diemensions with Boxes ( wxhxd ) 265mm X 382mm X 345mm
Diemensions without Boxes ( wxhxd ) 1250mm X 340mm X 495
Weight ( inclusive packing )8.505KG
Weight ( exclusive packing & batery )26KG

Remarks :

1 used into

Remark :

28
29
30
31
32
33
34
35
36
37
38
39

Material : HIPS / ABS / POM / V2 / SAN
Finshing : Chrome Plate
Units in Masstercarton
Units in Dealercarton

GENERAL PART 1 - FRONT PANNEL SPECICFICATION

NX9 All Version

CHECK: DATE :

VerClass No

1
2
3

11 A411 SH 190 - 1NAME :

Issued Date

23-Apr-13

2-3

3

DEPICTION Pos Description Page

1

1

2

3

4

6

5

13

9

12

11

14

10

2
3
4
5
6
7
8
9

7

10
11
12
13

8

14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

CABINET

Diemensions with Boxes ( wxhxd )265mm X 382 mm X 345 mm
Diemensions without Boxes ( wxhxd ) 1250mm X 340mm X 495mm Finshing : Chrome Plate
Weight ( inclusive packing )8.5Kg Units in Masstercarton
Weight ( exclusive packing & batery )26Kg Units in Dealercarton

Material :HIPS

GENERAL PART 1 - BACK PANNEL SPECICFICATION

Class No

NX9 All Version

NAME : 10

CHECK:

DATE :

10 SH 190 - 2 A4

Ver

1
2

Issued Date

2-4

GENERAL DESCRIPTION
MP3-USB Mini Hi FiSystem with Digital Tuner, 3CD/MP3
AUX mode(MAIN2x700W+SUB2x700W) For NX9 Power Amplifier,VFD Display,Aux in ,Remote control
Subwoofer Boxes of 4 Ohm x 2
LIFETIME : 5 Years

I

II

III

Page
SAFETY requirements
Version Safety EMC

/98 EN 60065, CISPR 13
/55
/12 EN 60065 EN 55013 / EN 55020
/05 EN 55013 / EN 55020
/79
/37

RADIATION / IMMUNITY requirments ( EMC ) for 12 version only

CLIMATIC requirements
ALL climates
MODERATE climates
PERFORMANCE CLASSES

10 3-6 9

EN 60065,EN61000-3-2/EN61000-3-3

XXX XX

EN 60065
EN 60065
UL 60065 FCC99

: + 5 Dregree till + 35 Degree
: + N.A till N.A Degree

X

CISPR 13

CISPR 13

CD-mp3Recorder ClockClass Tuner Supply + Amplifier USB

811

POWER SUPPLY (SWITCHING MODE POWER SUPPLY)
MAINS ( A.C. )

Version
Voltage Selection
Frequency

POWER CONSUMPTION

Standby(with display) : < 1W
( DEMO mode " OFF " ) , NOM. A, INPUT
Maximum :
@ 1/8 Prated , NOM. A, INPUT < 250W
ECO Power mode(Without display):

Quality : 0.8 % ( Major ) 2.0 % ( Mirror )

Reliability : 3.0 % ( C 42 )
Tested according to General Test Instruction refer to PHILIPS standary ( UAN -D1591 )
Measured according to PHILIPS standary ( UAN - L1059 ) unless other wise stated
All not mentioned date, please refer to PHILIPS standary ( XUW - 0010 - JUNE 2001 )

DERIVED

Remarks

SWITCH POWER FOR AC100V TO 250V

/ 12/ 05 / 55/77/78/98 /61 /93 / 37

Ref. to CRS Ref. to CRS

< 0.5W Ref. to CRS

REMARKS

Ref. to CRS

APPROBATION

< 1W

< 0.5W

Class No

NAME : Andy Lai

NX9 All Version

CHECK

DATE :

GENERAL PART 1 - GENERAL SPECICFICATION

Ver Issued Date

1
2
3

10 10 SH 190 - 3 A4

23-Oct-13

2-5

TECHNIAL DESCRIPTION

Total power 2500W, matching LOUDSPEAKER of MAIN 2 x 4 Ohm + SUB 2 x 4 Ohm. INPUT SOURCE, CD/MP TUNER USB AUX 3DSC ( Digital Sound
Control ). IS ( Incredible Sound )

GENERAL PART
OUTPUT stage Protection : Yes Temperature : Yes. Shorcircuit : Yes
LoudSpeaker D.C. Protection : Yes.

INDICATORS
Standby Mode Indicator : FTD display Clock active
ECO Mode Indiicator : FTD turns off, ECO - Standby LED turn on

ELECTRICAL DATA (Main computer )

DSC : Rock, Pop, Jazz, Optimal Channel Differencer at -40dB 3
MAX

VAC : N/A Channel Separation ( at 1 kHz )

WOOX : N/A

INTERCONNECTS
Input Sensitity(
Tuner FM 67.5KHZ AM80% Modulation

CD 0 dB track ( Audio Disc 1, Trk 35 ) Subwoofer Out Yes
USB 0 dB track ( Audio Disc 1, Trk 35 ) Headphone 0.7V +/- 0.2% at 32 Ohm

AUX

Microphone : Frequency response @±4dB

YES Hum ( Volume control from min. till max. – 20 dB) < 200 nW

IS :

YES

±2 dB)rated ouput power at 1 kHz and 10kHz.

:
:

:

Nor: 600mV Lim: 350mV ~ 900mV for /37 Digital Coaxial Out N.A

:

Nor: 2V Lim: 1.5V ~ 2.5V for /55 Booster Out N.A

:

input leven 1mv rms(lim:2.5mv rms)
Rs=600ohm

Residual Noise ( Volume Minium ) < 60

≥ 45
Signal / Noise ( unweighted )
Subwoofer Out Hum( Volume minmun) <4

Line Output Voltage ( *1 )
Line Out ( Left / Right ) N.A

≥ 55

100HZ-16KHZ(reference 1KHZ)

Main Channnel

SUB. Channel

40HZ-125HZ(reference 63HZ)

dB

nW

dB
dB

µW

output power 1kHz

OUTPUT POWER ( * 1 )

Tuner output ( Lim '-6dB )

Rated Impedance
FRONT:L/R : 4 Ohms X2 at 100Hz to 16 KHz
Subwoofer L/R : 4 Ohm x2 at 40HZ to 150HZ

Remarks

( *1 ) Measurement output power just connect 1 channel loads (Per channel measurement).

Electrical parameters are to be measuremend at specker terminals across 4 Ohm load ( pure resistor )
with rated input signal in AUX mode; DSC setting in ROCK mode with DBB 3

Measurement output power only for AUX model of used audio analyzer equipment.

(*2) All speaker "R" channel "+ "connect to equipment " + "for measurement.

All speaker "L" channel "- "connect to equipment " + "for measurement (because all "L"channel output are reverse ).

At THD = 10% (Measured with 20Hz-20KHz filter),(Per Channel measuremend )

L/R channel 700W ( Lim '-1dB )Power output ( RMS )(AUX MODE)

L/R Subwoofer channel Power output ( RMS )(AUX MODE)

LOUDSPEAKER ( BOXES ) Please to package document of Speaker Box Assy

GENERAL PART 1 - TECHNAICAL SPECICFICATION

NX9 All Version

NAME : Andy Lai

CHECK

DATE :

10 10 SH 190 - 4

700W ( Lim '-1dB )

Ver

Issued DateClass No
1
2
3

23-Apr-13

A4

2-6

AUDIO SIGNAL PROCESSING

MP3-USB Mini Hi Fi System with Digital Tuner , CD-MP3,(Main:2×500W+SUB:2x500W) Universal Class D Power Amplifier
1 ) DSC ( Digital Sound Control )
Select AUX as input source with the following set conditions:
Inject sine wave 500mV at 1 KHz to L/R channels of AUX-IN socket.
Set DSC to SAMBA(Flat) mode and switch off DBB.
Refence level for DSC's without DBB on=1W.
Refence level for DSC'S with DBB on=1.2V at the speaker terminal .
Inject sine wave 500mV-2.4V to AUX-IN socket with frequencies indicated in Table 1.
For NX9 Subwoofer in put 500mW 63HZ @ 4R (Main computer )

Tabel 1a ( Tolerance ± 3dB )

Frequency

60 Hz (SUB)

1K((SUB) 0 0 0
1 kHz (host computer) 0
10 kHz(host computer)

SAMBA POP TECHNO ROCK

0

02

DSC Modes with DBB Off

6

0

6

0

-4

8
0
0
4

JAZZ

2
0
0
0

Tabel 1a ( Tolerance ± 3dB )

Frequency

60 Hz (SUB) 4

1K((SUB)
1 kHz (host computer) 0
10 kHz(host computer) 0

Tabel 1a ( Tolerance ± 3dB )

Frequency

60 Hz (SUB) 6 10

1K((SUB)
1 kHz (host computer) 0
10 kHz(host computer)

Tabel 1a ( Tolerance ± 3dB )

Frequency

60 Hz (SUB)

1K((SUB) 0
1 kHz (host computer) 0
10 kHz(host computer)

2 ) DBB ( Dynamic Bass Boot )

Select AUX as input source with the following set conditions :
Inject sine wave 500mV at 1kHz to L/R channels of AUX - IN socket.
Set DSC to SAMBA(Flat) mode and switch off DBB,
Reference level for the test is 500mW on the speaker terminals.
Tabel 2 of NX9( Tolerance ± 3dB )

SAMBA POP TECHNO

00

SAMBA ROCK

0

SAMBA

8

4

DSC Modes with DBB 1

8

00
2

DSC Modes with DBB 2

POP TECHNO

0
00
4

DSC Modes with DBB 3

POP ROCK

00
00
62

8
0

-2

10

0

0

TECHNO

12

ROCK

10

0
0
4

12

0
0
62

1412

0
0
8

JAZZ

4
0
0
0

JAZZ

6
0
0
2

JAZZ

10

0
0
4

10K Hz(host computer)

Class No

NAME : Andy Lai

Frequency DBB OFF DBB 3

1 Hz(SUB) 0

00

GENERAL PART 1 - GENERAL SPECICFICATION

DBB 1

000

DBB 2

6460 Hz(SUB)

2

80

01khz(host computer) 0 0 0

4

NX9 All Version

CHECK

DATE :

10 10 SH 190 - 5

Ver

Issued Date

1

18-Feb-14
2
3

A4

A

2-7

AUDIO SIGNAL PROCESSING

MP3 - USB Mini Hi Fi System with Digital Tuner , CD-MP3, (AUX MODE:Main:2×700W+SUB:2×700W) Universal Class D Power Amplifier

5 ) NITRO ( Maximum Sound )

Volume:18

S

Max ONFREQ Max OFF
60 Hz
1 kHz

10 kHz

Inject sine wave 2V to AUX-IN socket withfrequency indicated in Table 5 (input level 600mV for /37,2V for /55 ).

GENERAL PART 1 -

Class No

Class No

0
0

0

DATE : CHECK

GENERAL PART 1 - GENERAL SPECICFICATION

0

0

+2

NX9 All Version

NAME : Andy Lai

CHECK DATE :

10 10 SH 190 - 6

Ver

1
2
3

Issued Date

18-Feb-14

A4

2-8

TECHNIAL DESCRIPTION
SOFTWARE IMPLEMENTED CLOCK / TIMER FUNCTION WITH 12MHZ QUARTZ OSCILLATOR.

GENERAL PART

Timer Setting
Timer Wakeup Mode
Remarks Time Setting
Volume at Wakeup

No of Timer Settings
Clock Accuracy

INDICATORS
Display Type

Remark

NA
NA
NA
NA
NA
NA

: VFD

Class No

NX9 All Version

CHECK DATE :

CLOCK / TIMMER SPECICFICATION

Ver Issued Date

1

23-Apr-13
2
3

A4NAME : Andy Lai SH 190 - 710 10

2-9

TECHNIAL DESCRIPTION
USB

See also SH 190 USB Audio Module (300605)
Measurment are directly done at the coonector on the board
GENERAL PART

Measurement are directly done at the connector on CDC board

Description Specification
Output Resistance
Output Voltage RL = 33 k ohm ( )dB, 1 Khz ) 830mV/- 1dB
Channel Unbalance
THD + Noise ( 0dB, 1Khz ) <=2%
Channel Crosstalk ( ( 0 dB, 1 KHz ) ) >= 45dB

( 0 dB, 1 KHz )

Signal to Noise Ratio ( 0dB,1kHz ) ( A - weighted ) >= 55dB( A - weighted )

100HZ-16KHZ(reference 1KHZ)

NX9 Frequency response @±4

< = 1.5 kOhm

< = +/- 3 dB

>= 45dB

40HZ-100HZ(Reference 63HZ)

USB Measurement at Set Level

Electrical Parameters are to be measured at speaker teminals across 3 ohm load with 500mW output and DSC setting in Jazz Mode

Description
Channel Crosstalk ( 0 dB, 1 KHz )
Signal to Noise Ratio ( 0 dB, 1 KHz ) >= 55dBA ( A - weighted )
Channel Unbalance ( 0 dB, 1 KHz )

OUTPUT POWER ( * 1 )At THD = 10% (Measured with 20Hz-20KHz filter),(Per Channel measuremend )

Power output ( RMS ) L/R channel: >500W
Power output ( RMS ) L/R Subwoofer channel: >700W

Channel Unbalance ( 0 dB, 1 KHz ) < +/- 3dB

Remarks :(*1)

All speaker "R" channel "+"connect to equipment "+"for measurement.

All speaker "L" channel "- "connect to equipment " - "for measurement ).

Specification

>= 45dB (with 1 KHz filter )

< +/- 3dB

USB AND SD-CARD SPECICFICATION

Class No

NX9 All Version

NAME : Andy Lai 10

CHECK

DATE :

10 A4

SH 190 -8

Ver

1
2
3

Issued Date

23-Apr-13

TECHNIAL DESCRIPTION

TUNER used SI4730 soultion

GENERAL PART

2-10

WAVE RANGE TOLERANCE

TUNING GRID

FM( 55/37 ) 87.5 - 108.00 MHz QUARTZ PRECISION 100 kHz

FM( 12 ) 87.5 - 108.00 MHz

AM (55/37) 530 - 1700 kHz

AM (12) 531 - 1602 kHz

QUARTZ PRECISION 10 kHz

QUARTZ PRECISION 9 kHz

50KHZ

AERIAL

FM : PIGTAIL ANT WIRE 300 Ohm(for/37) 75ohm for 55/12

AM : FRAME ANT. 18.1 uH with shielding

INDICATORS

VFD

A.M

Amplification Reverse

AGC Figure of Merit

Distortion ( RF 50mV, M 80% )

IF

Search Tuning Sensitivity

S/N Ratio

Nom

: - 2 -4 dB

: 30 25 dB

: 3 5 %

: 450

: α26 +/-10 dB

45 40 dB

Wave Range Noise Limited Sensitivity α26 dB Large Signal

MW 610 kHz

MW 1440 kHz

FM 98 MHz

FM 108 MHz

Nom.

Lim.

Nom.

Lim.

Nom.

Lim.

Nom.

Lim.

4000

1500 22db

4000

22 dBf 25db

18

22

Limit Unit Unit

- 3 dB Limiting Point

Amplification Reverse

Distortion ( RF 1mV, Frq Dev.75 kHz )

Stereo - 46 dB Quieting

± 3 kHz 18

Crosstalk (RF1mV, Freq Dev.40kHz )

IF

F.M.

Nom

: 17

: 0

: 2 3 %

: 46 49 dBf

: 25

: 10.7

24-30

50 45 dB

Image Rejection

IF Rejection

32 db 28db

Uv/m 28db

28dbuV/m 32db

500mv/m 18db24db

1000mv/m

dBf 40db 65db 116 dBu 30db18

108 dBu30db 60db

dBf 40db 65db 116 dBu 45db

dBf 30db 60db 108 dBu

Limit

23.5 dBf

-4

dB

dB

± 0.03 MHz

dBf19-35

Selectivity

S9 / 300kHz

22db3500 uV/m 1000mv/m

18dbuV/m 28db 24db 500mv/m

25db

Remarks：MAX.Sens -6dB

Class No

NX9 All Version

NAME : Andy Lai 10

CHECK

DATE :

TUNER SPECICFICATION

10 SH 190 - 9

Ver Issued Date

1

23-Apr-13

2

3

A4

2-11

TECHNIAL DESCRIPTION

t

t

r

r

CD + MP3 - Part Specifications (CD MECHAISM DA11VF OF SANYO )

Inpu

Outpu

Motor Logic control

Active components

Signal processsing D/A converte

HF-preamplifie

Servo processor

Active components

OUTPUT POWER ( * 1 )At THD = 10% (Measured with 20Hz-20KHz filter),(Per Channel measuremend )

Power output ( RMS )
Power output ( RMS )

AUDIO part: Measurement with Audio Signals Disc-783 7104 078 04911 on spkeakers or Headphone socket with nom.load

Description Extern Filter Nom Lim

De-emphasis 15us / 50us Switchable via Subcode information
Frequency accuracy N/A ± 0.5 %
Channel Unbalance
Frequency Response ( 100 Hz - 16 kHz ) reference 1kHz

requency Response Rear CH.)
Frequency Response ( 40Hz - 100Hz ) reference 63Hz
Signal to Noise Ration ( Unweighted )
Signal to Noise Ration ( A - weighted )
Crosstalk ( 1kHz ) ( A - weighted )

Hum & Noise (filer 20kHz) ( *1 )
THD (1KHz -6dB)
THD (10KHz -20dB) <1

L/R channel: >500W
L/R Subwoofer channel: >700W

L/R

FRONT CH.

L/R

SUB. CH.

L/R

13

'± 4

± 4

60
65 55

>= 45dB

13

0.2

50

<1
<3

dB

Unit

dB

dB

dB
dBA
dBA

dB

dB

mV

%
%

REMARKS:

1. Amplification reserve for CD = +2dB ('±2dB),Ref.Level for CD is a 0dB track instead of a .-6dB track.

Playability :(acc.To AR 30-05-239 )

Limit

Wedge

Eccentric

Fingerprint No audible defect TNO 11 of Sub chassis 8A

Black dot 500um 800um TNO 13 of SBC 444A (7104 099 24990)

Skew 0.6mm

Bad HF track No audible defect TNO 8 of Sub chassis 8A

Playback position Solid, Normal position (Set is located on a flat surface, floor)

600um 900um TNO 7, 9 of SBC 444A(7104 099 24990)
150um 200um TNO 1, 24 of 200um disc (7104 099 24960)

No audible defect TNO 1,6 of 0.6mm skew (7104 099 28260)

No track jumper/plops TNO 10 of Sub chassis 8AHwavy fingerprint

Typical

Test disc

1. Playback of above mentioned tracks possible wihout track loss or audible defects.

2. Double black dot, max. diameter, thin/disk is according to PQR or AR 30-05-239

3. This unit can playback (only) CD-R or CD-RW discs. For performance specification, Please refer to module.
specification of CD99 (3103 308 52190)

Remarks :

4. (1)All speaker "R" channel "+ "connect to equipment " + "for measurement.

(2) All speaker "L" channel "- "connect to equipment " - "for measurement

CD / MP3 SPECICFICATION

Class No Ver

NX9 All Version

CHECK

DATE :

10

10 SH 190 -10

1
2
3

Issued Date

23-Apr-13

A4NAME : Andy Lai

TECHNIAL DESCRIPTION

GENERAL PART

Bluetooth Version : Ver2.1 + EDR
Receive A2DP: N/A
Transmit A2DP: N/A
Receive HSP N/A

INDICATORS

Bluetooth Flashing : Yes
Display :

ELECTRICAL DATA

N/A

2-12

Bluetooth Function

Remote Controlled :
Noise Reduction System :

N/A

No

Bluetooth at Module level: Mobile Phone lim Unit
Frequency Response 125-16khz ± 7
S/N (Unweighted) ≥55 50
S/N (A-weighted) ≥60 55 dBA
Level Diff \ ± 3
Channel Separation ≥45 40 dB
Distortion ＜1
Bluetooth at Set Level Mobile Phone
10%THD OUTPUT POWER(EQ:FLAT) \ Per channel test total:1800 W

Connected distance 8~10 meter

dB
dB

dB

﹪

REMARKS

Bluetooth SPECICFICATION

Class No

NX9 All Version

NAME : Andy Lai DATE : SH 190 - 11
CHECK: DATE :

Ver Issued Date

1
2
3

23-Apr-13

2-13

TECHNIAL DESCRIPTION
Microphone

See also SH 190 testing with 20 to 20k Hz filter,input leven 1mv rms(lim:1.5mv rms) Rs=600ohm output 500mW
Measurment are directly done at the coonector on the board

GENERAL PART

Measurement are directly done at the connector Microphone(mic1,mic2)

Description

Nom Lim Unit
Output Resistance N/A
Output Voltage RL = 33 k ohm ( )dB, 1 Khz )
Channel Unbalanceo about( mic1 and mic2)
THD + Noise ( 0dB, 1Khz )vol max 6 8 %
Channel Crosstalk ( ( 0 dB, 63Hz ) ) N/A

( 0 dB, 1 KHz )
Signal to Noise Ratio ( 0dB,1kHz ) ( A - weighted ) 45 40 dBA
Microphone Power output( RMS ) 550 +/- 20% mW
Microphone input leven ( Rms) 1 1.5 mV
Max Hum Noise(mic vol max,main vol max) 6 10
Vol.min=vol1.(mic vol min,main vol 1) 2 4 mV

Microphone Frequency response at
volume 23,input leven 1mv rms,
connect main load

FL/FR ch

63HZ -12
1KHZ 0

10KHZ

N/A

1 +/- 3 dBA

N/A

±4
ref dB

-3

±3

Specification

mV

dB

dB

Remarks :

testing with 20 to 20k Hz filter

Class No

NX9 All Version

NAME : Andy Lai

CHECK DATE :

USB SPECICFICATION

12 9 SH 190 -9

Ver

1
2
3

Issued Date

23-Apr-13

A4

2-14

VERSION OVERVIEW NX9

Ver DEST

/55 /77/78/98 OVS

/05 / 12 EUROPE

/79 AUST / NZ

/37

/35 China

/ 33 Korea

USA

Canada

APPROBATION TUNER AC SUPPLY

SAFETY EMC CORDWave RANGE GRID AERIAL SOCKET AERIAL SUPPLIED

EN60065
CLASS II

SISR

TAIWAN

EN60065

SEMKO

DEMKO

NEMKO SEV

BS415-UK

EN60065
CLASS II

UL 6500 FCC 99

EN60065
CLASS II

EN60065
CLASS II

CISPR 13

EN55013
EN55020

FM 87.5-108MHz MW

531-1602kHz

or 530-1710kHz

FM 87.5-108MHz MW

531-1602kHz

FM 87.5-108MHz MW

531-1602kHz

FM 87.5-108MHz MW

530-1710kHz

FM 87.5-108MHz MW

531-1602kHz

FM 87.5-108MHz MW

531-1602kHz

50kHz

9kHz

10kHz

50kHz

9kHz

50kHz

9kHz

100kHz

10kHz

50kHz

9kHz

50kHz

9kHz

75 Ohm Coaxial
JST XH 2P Side

75 Ohm Coaxial
JST XH 2P Side

75 Ohm Coaxial
JST XH 2P Side

JALCO Click Fit

JST XH 2P Side

75 Ohm Coaxial
JST XH 2P Side

75 Ohm Coaxial
JST XH 2P Side

75 Ohm Pigtail

Loop Sagami 18.1uH

75 Ohm Pigtail

Loop Sagami 18.1uH

75 Ohm Pigtail

Loop Sagami 18.1uH

300 Ohm Dipole

Loop Sagami 18.1uH

75 Ohm Pigtail

Loop Sagami 18.1uH

75 Ohm Pigtail

Loop Sagami 18.1uH

MAINS

VOLTAGE

110-127V

Switched

220 - 240V

50/60Hz

230V
50Hz

240V
50Hz

120V
60Hz

220V
60Hz

220V
60Hz

SOC.

IEC IEC

IEC IEC

IEC IEC

UL UL

IEC

IECIEC

IEC

MIC

MIX

No

No

No

No

No

No

MAT

RIX
SURR
. SPK.

No

No

No

No

No

No

Remark :

1. AM default is 10K; in AM mode tight press "STOP" button can change to 9K.

VERSION OVERVIEW

1
2
3

Issued Date

23-Apr-13

Class No

Ver

NX9 All Version

CHECK DATE :

A410 SH 190 - 13NAME : Andy Lai 10

BLOCK DIAGRAM

4-1 4-1

Audio in 1

VFD DISPLAY

Serial Flash 64Mbit

DJ program

Serial Flash 32Mbit

main program

SD RAM

128Mbit

USB master

L/R

USB D+ D-

C2

I

VFD DRIVER

Pt6315

Motor Driver

D5888

12MHz

PICK UP

MOTOR

CD control signal/ I2S input output

CD Servo

Bu9543

MLC3700

RC

MCS Logic
processor

UART

BT MODULE

L/R
r

MB0402C2

CD/USB/AUX/tune

lor

tno

c

I2S

I

2

C

c

o

n

t

r

o

l

Pt2259

control
C

I2

L/R

H/P AMP

Sc1408

L/R

HEADPHONE

VOLUME

TUNER

Si4730

switch

L/R

TC4052

USB slave device

USB D+ D-

L/R

USB host

Au7860

Audio in 2

ADC

WM8738

L/R

control

T

UAR

L/R for recording

Tc4052

SWITCH

L/R

L/R

Pt2259

VOLUME

L/R

L/R

HEF4066

SWITCH

L/R

TDA7468

EQ

MIC

AUX

L/R

AMP

AMP

IRS2092 X 4

front L

front R

SUB L

SUB R

WIRING DIAGRAM

5-1 5 -1

6-1 6-1

OUTER

1) Remove 66 screws A/B/C/D/E as indicated to loosen the top/right/left/rear/bottom plate.

B

A

Dismantling of the PCB Board

C

C

E

D

1) Remove 24 screws F as indicated to loosen the Main Board.

2) Remove 6 screws G as indicated to loosen the Display Board.

3) Remove 6 screws H as indicated to loosen the AMP Board.

4) Remove 6 screws I as indicated to loosen the Smps power Board.

5) Remove 10 screws J as indicated to loosen the LED Board.

F

G

I

H

J

CIRCUIT DIAGRAM - MAIN BOARD

7-1 7-1

CIRCUIT DIAGRAM - MAIN BOARD

7-2 7-2

CIRCUIT DIAGRAM - MAIN BOARD

7-3 7-3

PCB LAYOUT - MAIN BOARD

7-4 7-4

CIRCUIT DIAGRAM - AMP BOARD

7-5

7-5

CIRCUIT DIAGRAM - AMP BOARD

7-6

7-6

PCB LAYOUT - AMP BOARD

7-7

7-7

CIRCUIT DIAGRAM - MCU+CD BOARD

7-8

7-8

CIRCUIT DIAGRAM - MCU+CD BOARD

7-9

7-9

PCB LAYOUT - MCU BOARD

7-10

7-10

CIRCUIT DIAGRAM - DISPLAY BOARD

7-11

7-11

PCB LAYOUT - DISPLAY BOARD

7-12

7-12

PCB LAYOUT - LED BOARD

7-13

7-13

EXPLODED VIEW

8-1 8-1

006

003

10. REVITION

V1.0 2014-3-1 initial release

LIST

V2.0V2.0 2015-12-21 add updated the exploded view