Onkyo NC 500 - NetTune Receiver User manual

NC-500
SERVICE MANUAL
SERVICE MANUAL
Audio Network Receiver
Silver model only
MODEL NC-500
120V AC, 60HzTUDD
Ref. No. 3751
112002
AUDIO
NETWORK
RECEIVER
NC
-
500
STANDBY
/
ON
VOLUME
AUDIO
INPUT
DISPLAY
PHONES SELECT
SETUP
STANDBY
Restoring the factory default settings:
To reset all the stored settings to the factory
default conditions, while the power to the NC-500
is on, press and hold down the STOP button on
the unit, and press STANDBY/ON button.
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
Specifications
Amplifier Section
Power output
FTC 15 watts per channel, min RMS, at 8 ohms,
both channels driven 1 kHz, with no more
than 0.1%
DIN 2 ×17 watts at 6 Ω, 1 kHz
2 ×15 watts at 8 Ω, 1 kHz
Dynamic power output
2 ×27 watts at 6 Ω
2 ×24 watts at 8 Ω
Total harmonic distortion
0.1% at rated power
IM distortion
0.6% at rated power
Damping factor
30 at 8 Ω
Input Sensitivity and Impedance
TAPE/MD PLAY: 150 mV, 50 kΩ
LINE IN: 150 mV, 50 kΩ
Frequency and response
10 to 50,000 Hz +0 /–3 dB
Signal to noise ratio
100 dB (IHF-A)
Muting
–60 dB
Tuner Section
Tuning range
FM: 87.50–108.00 MHz (100 kHz steps)
(U.S. & Canadian models)
87.5–108.00 MHz (50 kHz steps)
(Other area models)
AM: 530–1710 kHz (10 kHz steps)
(U.S. & Canadian models)
522–1611 kHz (9 kHz steps)
(Other area models)
Usable sensitivity
FM: Mono 11.2 dBf,
1.0 µV (75 Ω IHF)
0.9 µV (75 Ω DIN)
Stereo 17.2 dBf,
2.0 µV (75 Ω IHF)
23.0 µV (75 Ω DIN)
AM: 30 µV
50 dB Quieting sensitivity
FM: Mono 17.2 dBf, 2.0 µV (75 Ω)
Stereo 37.2 dBf, 20.0 µV (75 Ω)
Capture ratio
FM: 2.0 dB
Image rejection ratio
FM: 40 dB (U.S. & Canadian models)
85 dB (Other area models)
AM: 40 dB
IF rejection ratio
FM: 90 dB
AM: 40 dB
Signal to noise ratio
FM: Mono 73 dB, IHF
Stereo 67 dB, IHF
AM: 40 dB
Selectivity
FM: 50 dB DIN
(±300 kHz at 40 kHz Devi.)
AM Suppression Ratio
50 dB
Harmonic distortion
FM: Mono 0.2%
Stereo 0.3%
AM: 0.7 %
Frequency response
FM: 30–15,000 Hz (±1.5 dB)
Stereo separation
FM: 45 dB at 1,000 Hz
30 dB at 100 to 10,000 Hz
Stereo threshold
FM: 17.2 dBf, 2.0 µV (75 Ω)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
OPERATING INSTRUCTIONS
SAFETY PRECAUTIONS
WARNING
WARNING
RISK OF ELECTRIV SHOCK
DO NOT OPEN
AVIS
AVIS
RISQUE DE CHOC ELECTRIQUE NE
PAS OUVRIR
WARNING : TO REDUCE THE RISK. OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER(OR BACK).NO USERSERVICEABLE
PART INSIDE, REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an equilateral triangle, is
intended to alert the user to the presence of uninsulated "dangerous voltage"
within the product's enclosure that may be of sufficient magnitude to constitute
a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user
to the presence of important operating and maintenance (servicing) instruction
in the literature accompanying the appliance.
TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCETO RAIN
OR MOISTURE. DANGEROUS HIGH VOLTAGES ARE PRESENT INSIDETHE ENCLOSURE. DO NOT OPENTHE
CABINET. REFER SERVICINGTO QUALIFIED PERSONNEL ONLY.
TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUGTOWIDE SLOT, FULLY INSERT.
POUR EVITER LES CHOCS ELECTRIQUE, INTRODUIRE LA LAME LA PLUS LARGE DA LA FICHE DANS LA
BORNE CORRESPONDANTE DA LA PRISE ET POUSSER JUSQU' AU FOND.
WARNING :
CAUTION :
ATTENTION :
PRECAUTIONS
1. Replacing the fuses
For continued protection against risk fire, replace only with same type and same rating fuse.
CIRCUIT No. PART No. DESCRIPTION
F911 <UD> 252166 6.3A-UL/T-237
E LENT. POUR UNE PROTECTION PERMANENTE,N'UTILISER
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
ATTENTION
VA
ET CALIBRATION COMME INDIQUE.
D'INCENDIE, REMPLACER UNIQUEMENT
PERMANENTE CONTRE LES RISQUES
AFIN D'ASSURER UNE PROTECTION
PAR UN FUSIBLE DE MEME TYPE
AGAINST FIRE HAZARD, REPLACE
VA
FOR CONTINUED PROTECTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
CAUTION
2. Safety-check out (Only U.S.A. model)
After correcting the original service problem, perform the following safety check before releasing the set
to the customer. Connect the insulating-resistance tester between the plug of power supply cord and screw
on the back panel.
Specifications: 3.3Mohm+/-10% at 500V.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
NC-500
Remote Controller
Index parts and facilities
1STANDBY/ON button
Turns on the NC-500 or place it in standby
mode. When the NC-500 is in standby mode,
you can use this button to turn off the alarm.
2Numeric keys
Press to select one of the preset stations or the
track you want to play. When entering text,
you use these buttons to type in letters and
special characters.
3PRESET Up/Down buttons
Press to navigate through preset stations for
Internet radio or FM/AM radio.
4ALBUM button
Press to invoke the Album selection menu
when working with the Net-Tune Central.
5ARTIST button
Press to invoke the Artist selection menu
when working with the Net-Tune Central.
6GENRE button
Press to invoke the Genre selection menu
when working with the Net-Tune Central.
7PLAYLIST button
Press to invoke the Playlist selection menu
when working with the Net-Tune Central.
8MUTING button
Press to activate the mute function. Press the
button again to disable the mute function.
9SLEEP button
Press to set the sleep function.
0MUSIC SERVER/iNetRADIO/TUNER/
AUX buttons
Press to select an input source. The TUNER
button toggles between FM and AM.
ADISPLAY button
Press to change the display mode.
Index parts and facilities
BCursor / / / buttons
Press to locate your selection.
CSELECT button
Press to save a new setting.
DSETUP button
Press to set up the NC-500.
EOperation buttons
, (FR/FF) buttons
Press to fast-rewind or fast-forward the
current track.
(Pause) button
Press to pause the playback.
(Play) button
Press to start playback.
(Stop) button
Press to stop the playback.
, B/F-Skip buttons
Press to move to the previous or next track.
FRANDOM button
Press to play the selected track list at random.
GREPEAT button
Press to repeat the selected single track or
track list.
HVOLUME / buttons
Press to adjust the volume.
Changing the remote controller
mode
When you use any Onkyo products other than the
NC-500 in the same room, the operations made
with the NC-500's remote controller may also
cause the other Onkyo products to operate. To
avoid this, you can change the remote controller
mode both for the NC-500 and its remote
controller choosing from three modes (1, 2 or 3).
To change the remote controller mode for the
remote controller, hold the STANDBY button on
the remote controller and press the SELECT
button, then release these buttons simultaneously.
Within 5 seconds after releasing the buttons, enter
the appropriate mode (1, 2 or 3) using the numeric
keys. The default mode is 1 for both the remote
controller and NC-500.
After changing the remote controller mode, make
sure that the remote control code on the NC-500 is
set to the same mode as the remote controller. (see
Page 63)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
NC-500
Index parts and facilities
(2) Operation guide icons
1Up Arrow/ /Down Arrow/Left Arrow/Right Arrow
These icons are displayed to indicate that the corresponding cursor buttons are enabled to perform
specific actions.
Example: “< >Tune”indicates that you can use the Cursor Left and Right buttons to perform tuning
when the FM/AM radio feature is selected.
2Setup
This icon is immediately followed by the command you can execute by pressing the SETUP button.
Example: When the Setup icon is immediately followed by “EXIT”, you can press the SETUP
button to exit from the current menu.
3Select
This icon is immediately followed by the command you can execute by pressing the SELECT
button.
Index parts and facilities
Rear Panel
1OSD OUT
This port can be used to redirect screen output
from the front panel display to a television
screen for quick and easy large-screen
viewing.
2ETHERNET
This port connects to a broadband mode,
router, hub, etc.
3AM
This port connects to the AM radio antenna.
4FM
This port connects to the FM radio antenna.
5SPEAKERS
The terminals connect to the speakers.
6VARIABLE OUTPUT
This port connects to an amplifier without
volume control.
7FIXED OUT
This port connects to the input port of a
receiver with volume control.
ETHERNET
SPEAKERS
(
6 OHMS MIN.
)
ANTENNA
AUX
INOUT OUT OUT
FIXED VARIABLE
OSD
AM
FM
75
RL
27123044
UDD
R
L
R
LAUDIO
NETWORK
RECEIVER
MODEL NO.
NC-
500
IN
IR
8AUX
This port connects to an auxiliary device.
9IR IN
If the NC-500 is located inside a rack or a
cabinet that will not allow infrared beams to
reach its IR sensor, you will need to relay
beams with an external sensor.
Connect the external sensor to IR IN input.
Then, place the sensor in an unblocked
location at which you can easily point with
the remote controller.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
NC-500
Index parts and facilities
Front Panel
AUDIO
NETWORK
RECEIVER
NC
-
500
STANDBY
/
ON
VOLUME
AUDIO
INPUT
DISPLAY
PHONES SELECT
SETUP
STANDBY
Remote
control
sensor
Master
volume
PHONES
jack
Stop
1STANDBY indicator
Lights when the NC-500 is in the Standby
mode.
2STANDBY/ON button
Switches the power mode between Standby
and On.
3AUDIO INPUT button
Changes the playback source.
4DISPLAY button
Changes the screen content.
5Play/Pause button
Starts or pauses playback.
6F/B-Skip buttons
Moves to the previous or next track. Holding
down the either button fast-forwards or fast-
rewinds the current track.
7Cursor Up/Down/Right/Left buttons
Use these buttons when navigating through
various settings, change a value, or move to
another menu.
8SELECT button
Saves a new setting.
9SETUP button
Activates Setup/Menu mode.
Index parts and facilities
Display
(1) Status display icons
1Random
This icon is displayed to indicate that the NC-500 is in random playback mode.
2Repeat
This icon is displayed to indicate that the NC-500 is in repeat mode.
3Ellipsis
Indicates that the text continues.
4Status
This icon is enclosed in square brackets to indicate that the NC-500 is in normal mode.
5Browse
This icon is enclosed in square brackets to indicate that the NC-500 is in browse (title selection)
mode.
6Clock
This icon is enclosed in square brackets to indicate that the NC-500 is in clock display mode.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
EXPLODEDVIEW
NC-500
A105
U101D P101
A026
U009
A025
A015
A040 P7001
A013
A013
U006
A110
A112
A301
A305
A302
A111
Q7005
A113
U005
A009
A008
T901
Q501A
A120
U000
A315
A310
U003
U001
U002
U004
F901
A101
A060
A061
A017
P609
P602
A016 A016
A016
P606
A016
A029
P601
A013
A055
A017
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
SCHEMATIC DIAGRAMS
Network Circuit Section - 1/2
A
1
2
3
4
5
BCD
A15
A16
A15
A16
XDITPD
XDARST
OPTSIGNAL
A13
A14
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A27
A26
A25
A24
A23
A22
A21
A20
A19
A18
A17
A14
A13
LANRESET
DAMUTE
XDITCS
DIGCL
DIGDO
XDACS
A27
A26
A25
A24
A23
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D31
D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
XSDRAMCS
XSDRAS
XOE
XWE
SDCLK
SDCKE
SDQM2
XLANCS
XFLASHCS
XRESET
XURESET
LRCK
SDATA
JP1
JP2
JP3
BCLK
SDQM3
SDQM0
SDQM1
COM1_RXD1
COM1_TXD1
COM1_DSR
COM1_CTS
COM1_DCD
XISAINT
XEXTFIQ
XPWRFL
BATOK
XBATCHG
XEXTIRQ2
I2C_CLK
I2C_DATA
32K
EXPRDY
XEXTPWR
LANINT
COM2_TXD
COM2_RXD
XSDRAMCS
SDQM2
SDCKE
SDCLK
XWE
XOE
XSDRAS
AVDD = +5V
XDARST
DIGCL
DIGDO
XDACS
DAMUTE
XDITPD
XDITCS
Audio DIT
To VLC Board
SDQM2
SDQM3
SDCKE
SDCLK
SDQM2
SDQM3
SDCKE
SDCLK
XSDRAMCS
XWE
XOE
XSDRAS
XSDRAMCS
XWE
XOE
XSDRAS
XDITCS
XDITPD
XDARST
DIGCL
DIGDO
XDACS
DAMUTE
(XPOR)
(XURESET)
XRESET
TDO
TXCLK
TMS
TDI
XTRST
XURESET
AVDD = +5V
XDITPD
256fs
XDITCS
XDARST
DIGCL
DIGDO
XDACS
DAMUTE
AGND
SDQM3
WakeUP
3.3V 2.5V Voltage Regurator
EXTPWR
LANINT
COM2_TXD
COM2_RXD
LANRESET
DIGDO
XDACS
DAMUTE
OPTSIGNAL OPTSIGNAL
DAMUTE
XDACS
DIGDO
DIGCL
XDARST
XDITPD
XDITCS
(XURESET)
(XPOR)
XRESET
LANRESET
TDO
TXCLK
TMS
TDI
XTRST
XURESET
MultiMedia CPU
Main Memo
r
D/A Convertor
Reset IC
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
C686
15P
R628 0
R629 0
+3.3V
+2.5V
+3.3V
R635 0
R636 0
R637 0
+3.3V +3.3V
C608
0.1
R603 0
R604 0
C624
0.1
C623
0.1
C622
0.1
C621
0.1
C616
0.1
C617
0.1
C618
0.1
C619
0.1
C620
0.1
+3.3V
C631
0.1
C630
0.1
C629
0.1
R615
10K
R614
10K
C636
0.1
C648
0.1
C643
0.1
C652
0.1
R643 10K
R644 10K
R645 10K
R647 10K
R646 10K
C653
0.1
C665
0.1
C659
0.1
R650
47K
C684
0.1 R669
10K
C685
15P
C687
0.1
C688
0.1
C689
0.1
C690
0.1
R651
10K
R606
330
+3.3V
Q610
TC7S02F
1
2
G
3
4
VCC 5
X604
3.6864MHz
C647
100/6.3
+
R672 4.7K
R673 4.7K
C638 100/6.3
+
+3.3V
R682
100
R667
10K
+2.5V
+2.5V
C673
0.1
D603
SEC1201C
+3.3V
X601
FCXO-03
11.2896MHz
1
2 3
4
+3.3V
R613
10K
R612
10K
R622
NC
R621
NC
R620
NC
R611
10K
L607
47uH
R608
0
C632
NC
R610
0
C635
NC
C645
100/6.3
+
C693
100/6.3
+
R626
NC
R625 0
R623
10K
+3.3V
Q608
HM5264165FTT-B6
BS1
21
BS0
20
A12/NC
36
A11
35
A10
22
A9
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
26
A2
25
A1
24
A0
23
CS
19
RAS
18
CAS
17
WE
16
CLK
38
CKE
37
UDQM
39
LDQM
15
Vcc2
27
Vcc1
14
Vcc0
1
Vss2
54
Vss1
41
Vss0
28 VssQ0 6
VssQ1 12
VssQ2 46
VssQ3 52
VccQ0 3
VccQ1 9
VccQ2 43
VccQ3 49
NC 40
DQ0 2
DQ1 4
DQ2 5
DQ3 7
DQ4 8
DQ5 10
DQ6 11
DQ7 13
DQ8 42
DQ9 44
DQ10 45
DQ11 47
DQ12 48
DQ13 50
DQ14 51
DQ15 53
Q603
HM5264165FTT-B6
BS1
21
BS0
20
A12/NC
36
A11
35
A10
22
A9
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
26
A2
25
A1
24
A0
23
CS
19
RAS
18
CAS
17
WE
16
CLK
38
CKE
37
UDQM
39
LDQM
15
Vcc2
27
Vcc1
14
Vcc0
1
Vss2
54
Vss1
41
Vss0
28 VssQ0 6
VssQ1 12
VssQ2 46
VssQ3 52
VccQ0 3
VccQ1 9
VccQ2 43
VccQ3 49
NC 40
DQ0 2
DQ1 4
DQ2 5
DQ3 7
DQ4 8
DQ5 10
DQ6 11
DQ7 13
DQ8 42
DQ9 44
DQ10 45
DQ11 47
DQ12 48
DQ13 50
DQ14 51
DQ15 53
L603
NFM60R10T471
L601
BLM21P221SG
+3.3V+2.5V
C602
4.7/10Ta
+
C613
0.1
C614
47/16Ta
+
C627
0.1
P606B
BM05B-SRSS-TB
5
4
3
2
1
Q609A
TC7W14FK
1 7
Q609B
TC7W14FK
3 5
C640
220/4
+
C649
220/4
+
C639
0.1
Q617 NJM2370U05
VIN
5
CONT
1
GND
2
BYPASS 3
VO 4
C615
100/6.3Ta
+
C658
0.1
+3.3V
+3.3V
R557
10K
P602B
B4B-PH-SM3-TB
4
3
2
1
E604
Terminal
4
3
2
1
E603
Terminal
4
3
2
1
E601
Terminal
4
3
2
1
+5.6V
R551
10K
R552
10K
R550
10K
+5.6V
+5.6V
E602
Terminal
4
3
2
1
Q601 BA33C25FP
VIN
1
NC
2
GND
3
VO2 5
VO1 4
C692
0.1
2
C651
0.1
C644
0.1
D604
1SS352
D605
1SS352
C696
0.001
R633 NC
R632 NC
R631 NC
C637
100/6.3Ta
+
R638 VAL
R695
VAL
R696
VAL
C694
10/16
+
Q611
VAL
OUTR
18
OUTL
19
CAD0
16
CAD1
17
DVDD
3
AVDD
22
VCOM
20
AVSS
21
DVSS
4
DZF
24 I2C 15
TTL 14
TST 13
NC 23
TX 2
PDN 9
CSN 10
SDA 12
SCL 11
MCKO 1
MCKI 5
SDTI 7
LRCK 8
BICK 6
C670
VAL R661
0
R687
10K
R688
10K
R689
10K
R690
10K
R691
10K
R692
10K
C683
VAL
C682
VAL
+3.3V +3.3V
R660
10K
R659
10K
+3.3V
C669
0.1
+3.3V
C667
0.1
C668
0.1
C666
0.1
+3.3V
R662
10K
R656
1K
2
R655
1K
2
X603
VAL
Q615
VAL
VDD
5
CD
1
VSS
2
NC 3
OUT 4
+3.3V
R560
VAL
R680
VAL
R681
VAL
R670
VAL
R677 VAL
R671 VAL
R674 VAL
R675 VAL
R676 VAL
R697
VAL
10
9
8
7
6
4
3
2
1
5
+3.3V
C691
VAL
R616
NC
+3.3V
C603
0.1
C604
0.1
C605
0.1
C606
0.1
C607
0.1
P607B
B5B-PH-SM3-TB
1
2
3
4
5
+3.3V
R658
VAL
Q605
WM8716
ZERO
21
VOUTL
16
VOUTR
13
AVDD
15
AVDDR
9
VMIDR
11
AGNDR
10
AVDDL
20
VMIDL
18
AGNDL
19
AGND
14
RSTB
22
MCDM1
27
MDMD0
26
MLI2S
28
MUTEB
25
XTO 6
XTI 5
DIN 2
LRCIN 1
BCKIN 3
DGND 7
DVDD 8
MODE 24
MODE8X 12
DIFFHW 17
CLKO 4
CSBIWO 23
C641
0.1
C650
0.1
R559
VAL
2
R609
10K
+3.3V
+3.3V
R648
10K
C601
47/6.3
+
Q607
EP7312-CV
COL7
83
COL6
84
COL5
85
COL4
86
COL3
87
COL2
88
COL1
91
COL0
92
PA7
23
PA6
24
PA5
25
PA4
26
PA3
27
PA2
28
PD0/LEDFLSH
62
PE2/CLKSEL
45
PE1/BOOTSEL1
46
PE0/BOOTSEL0
47
PD4
56
MEDCHG/BROM
155
TEST1
39
TEST0
40
DRIVE1
75
DRIVE0
76
SSIRXDA
67
SSICLK
63
SSITXFR
65
SSITXDA
66
BUZ
93
SSIRXFR
68
PB7
13
PB6
14
PB5
15
PB4
16
PB3
17
PB2
18
PB1/PRDY2
19
PB0/PRDY1
20
DD3
188
DD2
189
DD1
191
DD0
192
PHDIN
34
VddOSC
157
VssOSC
160
CL2
184
CL1
185
FRM
186
M
187
LEDDRV
31
SMPCLK
79
WAKEUP
161
PD5
55
RUN/CLKEN
7
WORD
5
HALFWORD
105
ADCCS
70
ADCCLK
77
ADCOUT
78
VddCORE1
181
VddCORE0
72
VssCORE1
180
VssCORE0
71
PD3
59
DCD
37
DSR
38
CTS
35
RXD1
36
PD1
61
PD2
60
TXD1
32
POR
154
ADCIN
69
URESET
156
TRST
125
TDI
11
TMS
58
TXCLK
90
TDO
22
NC
52
VssIO17
203
VssIO16
198
VssIO15
190
VssIO14
182
VssIO13
174
VssIO12
168
VssIO11
149
VssIO10
140
VssIO9
124
VssIO8
116
VssIO7
108
VssIO6
98
VssIO5
81
VssIO4
73
VssIO3
64
VssIO2
33
VssIO1
12
VssIO0
3
MOSCIN 158
MOSCOUT 159
RXD2 10
TXD2 9
EXPRDY 8
FB0 82
FB1 80
PA0 30
PA1 29
RTCIN 50
RTCOUT 49
BATCHG 151
BATOK 153
PWRFL 162
EINT0 44
EINT1 43
EINT2 42
EINT3 41
EXTPWR 152
CS0 204
CS1 205
CS2 206
CS3 207
CS4 208
CS5 1
EXPCLK 4
PD6/SDQM0 54
PD7/SDQM1 53
SDQM2 196
SDQM3 195
SDCKE 199
SDCLK 200
MWE/SDWE 201
MOE/SDCAS 202
WRITE/SDRAS 6
SDCS0 194
SDCS1 193
D0 179
D1 177
D2 175
D3 172
D4 170
D5 166
D6 164
D7 150
D8 147
D9 145
D10 143
D11 141
D12 137
D13 135
D14 133
D15 131
D16 129
D17 127
D18 122
D19 120
D20 118
D21 115
D22 113
D23 111
D24 109
D25 104
D26 102
S27 100
D28 97
D29 96
D30 95
D31 94
A0 178
A1 176
A2 173
A3 171
A4 169
A5 165
A6 163
A7 148
A8 146
A9 144
A10 142
A11 138
A12 136
A13 134
A14 132
A15 130
A16 128
A17 126
A18 121
A19 119
A20 117
A21 114
A22 112
A23 110
A24 106
A25 103
A26 101
A27 99
VssRTC 48
VddRTC 51
VddIO0 2
VddIO1 21
VddIO2 57
VddIO3 74
VddIO4 89
VddIO5 107
VddIO6 123
VddIO7 139
VddIO8 167
VddIO9 183
VddIO10 197
C671
VAL
C672
NC
C674
NC
C675
NC
C676
NC
C677
NC
C681
NC
C680
NC
C697
NC
C663
0.1
A
A
+3.3V
+3.3V
TP601
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
SCHEMATIC DIAGRAMS
Network Circuit Section - 2/2
A
1
2
3
4
5
BCD
A15
A16
A15
A16
D31
D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16
A13
A14
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
D9
D2
D1
D10
D0
D3
D4
D5
D6
D7
D8
D11
D12
D13
D14
D15
A27
A26
A25
A24
A23
A22
A21
A20
A19
A18
A17
A14
A13
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D13
D14
D15
A1
A2
A3
D12
CT
A3
A2
A1
D12
D15
D14
D13
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
LINKLED
LANLED
XSDRAMCS
SDQM2
SDCKE
SDCLK
XWE
XOE
XSDRAS
XLANCS
XOE
XWE
XFLASHCS
XWE
XOE
XOE
XWE
XLANCS
XLANINT
XWE
XOE
XFLASHCS
XLANCS
XFLASHCS
LANINT
EXPRDY
LANRESET
XRESET
SDQM2
SDQM3
SDCKE
SDCLK
XSDRAMCS
XWE
XOE
XSDRAS
COM2_RXD
(XURESET)
(XPOR)
To Control CPU Board
DAMUTE
(XURESET)
(XPOR)
XDITCS
XDITPD
XDARST
DIGCL
DIGDO
XDACS
To NC500 Board
XDITPD
XDITCS
COM2_TXD (0-5V)
COM2_RXD (0-5V)
(XURESET)
XDARST
DAMUTE
XDACS
DIGDO
DIGCL
(XPOR)
F32K
SDQM3
To Video Board
OPTSIGNAL
MAC Address
E2ROM
COM2_TXD
TXD-
TXD+
RXD-
RXD+
To JTAG ICE
XURESET
TDO
TXCLK
TMS
TDI
XTRST
XURESET
TDO
TXCLK
TMS
TDI
XTRST
XDARST
P
WR
N
T
COM2_TXD
COM2_RXD
EXPRDY
LANRESET
COM2_TXD
COM2_RXD
(XPOR)
(XURESET)
XDITCS
XDITPD
XDARST
DIGCL
DIGDO
XDACS
DAMUTE
LANRESET
XRESET
XRESET
XTRST
TDI
TMS
TXCLK
TDO
XURESET
OPTSIGNAL
OPTSIGNAL
OPTSIGNAL
DAMUTE
XDACS
DIGDO
DIGCL
XDARST
XDITPD
XDITCS
(XURESET)
(XPOR)
XRESET
LANRESET
T
C670
C671
NC-500
NC
NC
NC-500
C682 NC
R559
P610B
P608B
P606B
P604B
P603A
P601
52610-1390
52610-1390
BM05-SRSS-TB
NC
NC
NC
NC
C691 0.1
R619
R624
R638
R639
R640
R561
NC
NC
0
NC
NC
NC
R560
R641 NC
10K
C683 NC
C684 0.1
XDACS
XPOR
DSPDA
DSPCL
NETTX
NETRX
GNDDSP
+5VNET
NPOWER
Main Memory Program Flash ROM
R697
X603
Q615
Q611
MCR35103J
S-80127CNMC-JKM
NC
NC
R658 10K
R681
R680
R677
R676
R675
NC
0
4.7K
4.7K
4.7K
R674
R671
R670
4.7K
4.7K
NC
4.7KR693
10KR694
R695 NC
R696 NC
+3.3V +3.3V+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V+3.3V
R628 0
R629 0
+3.3V
C609
0.1
C610
0.1
C611
0.1
C612
0.1
C626
0.1
C625
0.1
R603 0
R604 0
C624
0.1
R618
10K
R617
10K
C643
0.1
C642
0.1
R627
10K
C653
0.1
C654
0.1
C655
0.1
R649
10K
C662
0.1
C661
0.1
C660
0.1
C664
0.1
C665
0.1
C690
0.1
L606
BLM21P221SG
C657
10P
C656
10P
X602
20MHz
R683 4.7K
R686
10K
R684 4.7K
R693
4.7K
R694
10K
R657
10K
Q608
HM5264165FTT-B6
BS1
21
BS0
20
A12/NC
36
A11
35
A10
22
A9
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
26
A2
25
A1
24
A0
23
CS
19
RAS
18
CAS
17
WE
16
CLK
38
CKE
37
UDQM
39
LDQM
15
Vcc2
27
Vcc1
14
Vcc0
1
Vss2
54
Vss1
41
Vss0
28 VssQ0 6
VssQ1 12
VssQ2 46
VssQ3 52
VccQ0 3
VccQ1 9
VccQ2 43
VccQ3 49
NC 40
DQ0 2
DQ1 4
DQ2 5
DQ3 7
DQ4 8
DQ5 10
DQ6 11
DQ7 13
DQ8 42
DQ9 44
DQ10 45
DQ11 47
DQ12 48
DQ13 50
DQ14 51
DQ15 53
Q603
HM5264165FTT-B6
BS1
21
BS0
20
A12/NC
36
A11
35
A10
22
A9
34
A8
33
A7
32
A6
31
A5
30
A4
29
A3
26
A2
25
A1
24
A0
23
CS
19
RAS
18
CAS
17
WE
16
CLK
38
CKE
37
UDQM
39
LDQM
15
Vcc2
27
Vcc1
14
Vcc0
1
Vss2
54
Vss1
41
Vss0
28 VssQ0 6
VssQ1 12
VssQ2 46
VssQ3 52
VccQ0 3
VccQ1 9
VccQ2 43
VccQ3 49
NC 40
DQ0 2
DQ1 4
DQ2 5
DQ3 7
DQ4 8
DQ5 10
DQ6 11
DQ7 13
DQ8 42
DQ9 44
DQ10 45
DQ11 47
DQ12 48
DQ13 50
DQ14 51
DQ15 53
R605
8.2_1%
R607
8.2_1%
C633
0.01
C628
560P
C634
0.01
Q606
93LC46B
CS
1
DO
4
DI
3
SK
2
VSS
5
DC 7
NC 6
VCC 8
+3.3V
C646
0.1
+3.3V
R602 100_1%
R601 100_1%
R553 100_1%
R555 27K_1% R556 27K_1%
R554 100_1%
R642
10K_1%
R698
10K_1%
R699
2.7M_1%
+3.3V
R630
10K
Q604
MX29LV320BTC-90
A20
10
A19
9
A18
16
A17
17
A16
48
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
WE
11
OE
28
CE
26
VSS1
27
VSS2
46
RESET 12
WP/ACC 14
RY/BY 15
BYTE 47
NC 13
D0 29
D1 31
D2 33
D3 35
D4 38
D5 40
D6 42
D7 44
D8 30
D9 32
D10 34
D11 36
D12 39
D13 41
D14 43
D15 45
VCC 37
Q609C
TC7W14FK
6 2
R654
4.7K
+5V
R685
10K
+3.3V
+3.3V
R558
10K
C695
0.1
Q618B
TC7W14FK
3 5
Q618A
TC7W14FK
1 7
Q618C
TC7W14FK
6 2
+5.6V
+5.6V
D601
1SS352
P608B
VAL
1
2
3
4
5
6
7
8
9
10
11
12
13
P610B
VAL
13
12
11
10
9
8
7
6
5
4
3
2
1
P604B
VAL
13
12
11
10
9
8
7
6
5
4
3
2
1
R679
0
P605
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+3.3V
R666 10K
R665 10K
R663 10K
R664 10K
R678
0
R668
0
R561
VAL 1+3.3V +3.3V
R660
10K
R659
10K
3
.3V
C669
0.1
+3.3V
C667
0.1
C668
0.1
C666
0.1
+3.3V
R662
10K
R656
2
R655
1K
2
C678
0.1
C679
1006.3Ta +
L605
BLM21P221SG
Q616
CS8900A
CS8900A-CQ3
SA19
60
SA18
59
SA17
58
SA16
54
SA15
53
SA14
52
SA13
51
SA12
50
SA11
48
SA10
47
SA9
46
SA8
45
SA7
44
SA6
43
SA5
42
SA4
41
SA3
40
SA2
39
SA1
38
SA0
37
SD15
18
SD14
19
SD13
20
SD12
21
SD11
24
SD10
25
SD9
26
SD8
27
SD7
74
SD6
73
SD5
72
SD4
71
SD3
68
SD2
67
SD1
66
SD0
65
CHIPSEL
7
ELCS
2
MEMW
28
MEMR
29
IOW
62
IOR
61
REFRESH
49
SBHE
36
AEN
63
MEMCS16
34
IOCS16
33
INTRQ0
32
IOCHRDY
64
INTRQ3
35
INTRQ2
30
INTRQ1
31
RESET
75
DMARQ2
11
DMACK2
12
DMARQ1
13
DMACK1
14
DMARQ0
15
DMACK0
16
AVDD3
95
AVDD2
85
AVDD1
90
AVSS4
96
AVSS3
94
AVSS2
86
AVSS1
89
AVSS0
1
XTAL2 98
XTAL1 97
TEST 76
RES 93
LANLED 100
LINKLED 99
SLEEP 77
EESK 4
EEDOUT 5
EEDIN 6
EECS 3
CSOUT 17
BSTS / HCI 78
DI+ 80
DI- 79
CI+ 82
CI- 81
DO- 84
DO+ 83
TXD- 88
TXD+ 87
RXD- 92
RXD+ 91
DVSS4 70
DVSS3A 57
DVSS3 55
DVSS2 23
DVSS1A 10
DVSS1 8
DVDD4 69
DVDD3 56
DVDD2 22
DVDD1 9
+3.3V
R658
VAL
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
SCHEMATIC DIAGRAM - 1
A
1
2
3
4
5
BCD
NAAF-7653
P608A
P306B
P306A
P102A
P251
Q301
TC9413AP
CK
CS1 CS2
DATA
GND STB
VDDVSS1
P308B
P601
YKS11-0035
4
5
7
8
RXD+ 3
RXD- 6
TXD+ 1
TXD- 2
U701
PHTOUT
P308A
Q305
TC4052
0X 12
0Y
1
1X 14
1Y5
2X 152Y2
3X 11
3Y
4
A10
B9
INH6
VDD 16
VEE7
VSS8
XCOM 13
YCOM3
P907
IR
L271
5.6UH
X271
14.32MHZ
X281
17.73MHZ
SW4-A
SW3-A
SW2-A
SW1-A
Vdd1
SYNCDET
VCOOUT
VCOIN
FC
AMPOUT
AMPIN
PDOUT
Vss
SEPC
SYNCIN
CVCR
CVIN
Vdd2
CVOUT RST
OSDSCK
OSDSO
OSDCS
VSYNCOUT
XTALOUT2
XTALIN2
HSYNCOUT
XTALOUT1
XTALIN1
Vss
Q271
LC74761-9189
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1516
17
18
19
20
21
22
23
24
25
26
27
28
29
30
L991
022M
Q312
RN1241
Q311
RN1241
Q313
KRA107S
R363
220K
C352
101
C351
101
Q203
NJM4565M-D
5
6
7
Q202
NJM4565M-D
5
6
7
Q201
NJM4565M-D
5
6
7
Q203
NJM4565M-D
38
2
4
1
Q202
NJM4565M-D
38
2
4
1
Q201
NJM4565M-D
38
2
4
1
P602A
C276
682J
C201
102J
C206
182J
C205
182J
C204
272J
C203
272J
C202
102J
Q274
2S1048
Q275
2SA1048
R225 4.7
R226 4.7
R992
150
R991
150
R293
8.2K
R256
68
R296
100
R292
200K
R294
1K
R366 10K
R201 1.5K
R202 1.5K
R302
220K
R309 220
R301
220K
R307
220
R308
220
R203
220K
R204 220K
R304
10K
R303
10K
R316
3.9K
R315 2.2K
R332
100
R334
220K
R331
100
R333
220K
R216
1.5K
R223
100
R215
1.5K
R209
1.5K
R211
22K
R213
22K
R217
22K
R219
22K
R221
1.5K
R207
10K
R205
10K
R224
100
R222
1.5K
R214
22K
R218
22K
R220
22K
R208
10K
R206
10K
R210
1.5K
R212
22K
R273
1K
R274
120
R276
1.5K
R275
6.8K
C296
1/50
C992
47/6.3
C297
47/16
C256
470/6.3
C212
220/16
C211
220/16
C210
47/16
C209
47/16
C302
10/50
C301
10/50
C30
3
22/50
C30
4
22/50
C289
100/6.3
C282
100/6.3
C275
1/50
C384
10/50
C371
100/16
D301
1SS352
C991
104
C270
221J
C299
223Z
C290
223Z
C283
223Z
C274
223J
C273
220JCH
C272
220JCH
C285
100DCH
C288
100DCH
C295
100DCH
C298
100DCH
AFMUTE
41
TO DG PWB
14 10 5 1
19 15 1
VLC IN LCH
VLC IN RCH
FFC
TO DG PWB
13
10
1
5
TXD+
CT
TXD-
RXD+
GND
GND
LED VCC (+3.3V)
LED LAN
LED LINK
OPT GND
OPT +5V
OPT SIGNAL
RXD-
IR
B
A
CLK
DATA
STB
AFMUTE
PWR
TUNER RCHTUNER RCH
TUNER GNDTUNER GND
TUNER LCHTUNER LCH
RELAY GNDRELAY GND
RELAY VCCRELAY VCC
IR GND
VLC PS GND
VLC SIG GND
IR GND
IR
TC4052 B
TC4052 A
TC9413 CLK
TC9413 STB
TC9413 DATA
AMUTE
PWR(SP RELAY)
+5V
CS_
SCLK
SIN
+5V GND
5
10 5
TO MICON PWB
+12V
-12V
NAVD-7654
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
SCHEMATIC DIAGRAM - 2
A
1
2
3
4
5
BCD
P506
P7003A
P924 P924A
P921A
P923A
P921
P923
P929A
P928A
P929
P928
P930A P930
P927A
P927
P926
P926A
P922A P922
S901
AC 120V
AC 230V
T. F U S E
T901
NPT-1385
5
2
1
10
11
12
13
14
6
P552A
P503A
P503B
Q502
2SC1815BL
Q501 LM4765
+IN_L13
+IN_R8
-IN_L12
-IN_R7
GND-L10
GND-R5
MUTE-L11
MUTE-R6
OUT-L
1
OUT-R3
ST/BY-L14
ST/BY-R9
VCC-L15
VCC-R2
VEE4
P504B
P504A
L501
L502
L901
NCH-3489
NCH-3567
P501
E LENT. POUR UNE PROTECTION PERMANENTE,N'UTILISER
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
P901
Q307
RN1241
Q308
RN1241
Q323
RN1241
Q324
RN1241
Q309
RN1241
Q310
RN1241
R508
56K
R504
1K
R503
1K
R505
2K
R501
56K
R502
56K
R506
2K
R507
56K
C521
101
C522
101
C327
101
C321
101
C322
101
C328
101
C352 C351
Q302
NJM4565M-D
5
6
7
Q303
NJM4565M-D
5
6
7
Q302
NJM4565M-D
38
2
4
1
Q303
NJM4565M-D
38
2
4
1
P505A
P502A
P505B
P502B
C906
334
C905
334
C507
334
C511
104
C512
104
C917
104
C918
104
C508
334
Q902
79M12
GIO
Q901
78M12
GIO
D913
UDZ5.1B
R916
3.3M
(1/2W)
R368 1.5K
R327
330
R326
18K
R324
330
R317
3.9K
R323
330
R321
6.8K
R325
18K
R311
100
220
R328
330
R314
220K
R313
220K
R318
3.9K
R312
100
R322
6.8K
R370
330
R369
330
R372
560 R371
560
R914
2.2
(1/2W)
R913
2.2
(1/2W)
R523
10
(1/2W)
R367 1.5K
R524
10
(1/2W)
R525
4.7 (1W)
R356
390 (1/2W)
R355
390
(1/2W)
R342
18K
R340
1K
R334
220K
R339
1K
R333
220K
R341
18K
R909
470
(1/2W)
R908
150
(1/2W)
R907
150
(1/2W)
R910
10K
R901
0.22
(1/2W)
R902
0.22
(1/2W)
R526
4.7 (1W)
C329
47/16
C303
22/50
C304
22/50
C330
47/16
C502
10/50
C501
10/50
C506
220/6.3
C505
220/6.3
C916
220/16
C915
220/16
C914
3300/35
C913
3300/35
C358
47/16
C357
47/16
C920
4.7/16
D905
RBV1506
D912
1SS352
D911
1SS352
D501
1SS352
C902
472M
DE1307E472MKH
C394
101
C393
101 C391
101
C392
101
C390
223
C521
223
C921
223
C901
472M
DE1307E472MKH
F901
T400MAL 250V
FUSE
F902
FUSE
P901A
P901B
B+12
B-12
P-OFF
5
1
31
3
1
4
1
4
1
1
6
NAETC-7659
20
NADG-7651
NAPS7658
NAAF-7660
FIXED OUT
VARIABLE OU
T
AUX IN
FIXED OUT Rch
FIXED OUT Lch
+12V
-12V
-12V
NAPS7655
2A/125V
P-OFF
SUB AC 2
SUB AC 2
SUB AC 1
SUB AC 1
+12V
F/R
F/L
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
SCHEMATIC DIAGRAM - 3
A
1
2
3
4
5
BCD
P7001A
PLUG_20
1
10
11
12
13
14
15
16
17
18
19
220
3
4
5
6
7
8
9
X7201
CST16.00MXW0C1
P102B
Q301
TC9413AP
CK
CS1 CS2
DATA
GND STB
VDDVSS
1
Q102
RN1241
Q101
RN1241
Q103
DTA114ES
Q104
2S1740S-R
Q781 BU1923
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
P101B
R781 1K
R782 1K
R783 1K
D781
1SS352
Q7001
M16C/62A
AVCC99
AVSS96
BYTE
8
CNVSS/9
P0088
P0187
P02/86
P03/85
P04/84
P05/83
P06/82
P07/81
P10 80
P10097
P10195
P102
94
P10393
P104/
92
P105/91
P106/90
P107/89
P11/ 79
P12/ 78
P13/ 77
P14/ 76
P15/ 75
P16/ 74
P17/ 73
P20/ 72
P21/ 71
P22/ 70
P23/ 69
P24/ 68
P25/ 67
P26/ 66
P27/ 65
P30/ 63
P31/ 61
P32/ 60
P33/ 59
P34/ 58
P35/ 57
P36/ 56
P37/ 55
P40/ 54
P41/ 53
P72/
28
P73/27
P74/
26
P75/
25
P76/
24
P77/
23
P80/
22
P81/21
P82/
20
P83/
19
P84/
18
P85/
17
P86
11
P87/10
P917
P91/
6
P92/
5
P93/4
P94/3
P95/2
P96
1
P97/100
VCC16
VCC262
VREF/
98
VSS14
VSS264
XIN/
15
XOUT/
13
RESET
12
C7294 102K
C7295
102K
C7297
102K
C7206
104Z
C322
101
C7291
102K
C321
101
C7213
104Z
C7203
474
C7204
474J
X781
AF6146CG
C105
223Z
C106
223Z
C107
472
C108
472
C103
101
C781
CH220J
C782
CH220J
C784 561K
C785
223Z
P308B
C7205
100/6.3
C301
10/50
C302
10/50
C303
22/50
C304
22/50
C786
2.2/50
C101
0.47/50
C104
1/50
C102
3.3/50
C7202
100/6.3
R785 10K
R784 10K
R786 10K
R111
1K
R109
680K
R7389
10K
R7394 2.7K
R7289 000J
R7493
2.7K
R7395
2.7K
R102
100K
R114
10K
R113
10K
R704
47K
R7201 1K
R01100
R7391 10K
R7494 10K
R7290
000J R7390 10K
R7202 1K
R7203 1K
R7205 100
R7206 1K
R7225
270
R7274
220
R7271 220
R302
220K
R309 220
R301
220K
R307
220
R311
100
R308
220
220K 220K
R312
100
R7212
1K
R7266 220
R106
4.7K R105
1K
R103
2.2K
R104 2.2K
R108
39K
R107
39K
R101
100K
R7288 1K
R7287 1K
R7286 1K
R7285 1K
R7284 1K
R7283 1K
R7281 1K
R7282 1K
R7279 1K
R7280
1K
R7260220
R7259
220
R7267 220
R7268 220
R7269 220
R7270 220
R7272 220
R7278
220
R7277 220
R7263
1K
R7257
220
R7256
220
R7255
220
R7220
1K
R7294 4.7K
R7295
4.7K
R7297
4.7K
R7292
4.7K
R7291
4.7K
R110
3.3K
R112
39K
R7397
2.7K
FLWR
FLSEL
FLBUSY
RDSSIG
AMUT
VOLSTB
VOLCL
VOLDA
SELA
SELB
RDSDA
SD
FLDA7
FLDA6
FLDA5
FLDA4
FLDA3
FLDA2
FLDA1
FLDA0
RDSEN
AREA2
AREA1
HPDET
MODEL
KEY1
KEY0
IRIN
POFF
FLTWST
OSDDA
OSDCL
OSDCS
RESET
STBLED
IRMAIN
STEREO
FMSIGNALOUT
FMDETOUT
CE
DI
CL
LOUT
ROUT
TUMUT
FLDA7
FLDA6
FLDA5
FLDA4
FLDA3
FLDA2
FLDA1
FLDA0
FLWR
FLSEL
10K
10K10K
33K82K
R7494
R7394 NON
NAC-2.3 NP200NC-500MODEL
H
L
R7389
EU
R7390
JPN
R7493
USAEXP
+5.6v
NP200NP200
+2.5V
+0.5V
BUSY
/SEL
/TEST
GND
GND
GND
GND
VCC
VCC
VCC
RXD
WR
D0
D1
D2
D7
D6
D5
D4
D3
R7289
RDSEN
R7290
AREA2
R7391
AREA1
15
5
19
1
115105
5
1
10
TO VIDEO PWB
IR GND
IR
TC4052 B
TC4052 A
TC9413 CLK
TC9413 DATA
TC9413 STB
AMUTE
PWR(SP RELAY)
+5V GND
+5V
ONSCRENN CS
ONSCREEN SIN
ONSCREEN SCLK
NADG-7651
8
FFC
T57
X0
X1
VDD2
VSS2
T1
T2CMP
VSS3
VSS1
VDD1
INPUT
VREF
RDSCLK
RDSDATA
RDSSIG
TUNER Rch OUT
SP RELAY +VCC
SP RELAY GND
TUNER Lch OUT
STEREO
TUNED
MUTING
R OUT
GND
L OUT
FM DET OUT
VDD +5V
VDD +12V
FM SIGNAL OUT
GND
DO
CL
DI
CE
AM
FM
FM/AM TUNER
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
SCHEMATIC DIAGRAM - 4
A
1
2
3
4
5
BCD
Q909
IRLML6401 D
G
S
Q908
IRLML6401 D
G
S
P
7001A
P
LUG_20
9
0
P7001B
Q7005
PLUG_20
20S4D1DA2
1
10
11
12
13
14
15
16
17
18
19
220
3
4
5
6
7
8
9
P702
P554 P553
P504B
P913B
P913A
P552A
C702
30P
Q714
S-3531AEFS
1
2
3
45
6
7
8
Q302
NJM4565M-D
5
6
7
Q302
NJM4565M-D
38
2
4
1
P551
P7004A
P610A
Q906
RN1407
Q904
RN1407
Q7002
RN1404
Q307
RN1241
Q308
RN1241
Q323
RN1241
Q324
RN1241
Q304
KRA107S
L951
47
Q905
SI-8010GL
1
2
3
45
6
7
8
R964
10K
R965
10K
R952
2.2K
R7003
47K
R953 470
R7002
100
R7017
2.2K
R7016
1.2K
R7015
820
R7014
560
R7008
3.9K
R7007
2.2K
R7006
1.2K
R7005
820
R7004
560
R7010
470
R7009
330
R7013
470
R7012
330
R7001
100
Q913
78M56
GI
O
Q907 MPC29M12HF
GI
O
D7004
1SS352
D7003 1SS352
D7005 1SS352
D951
RK16
C907
104
D901
D3SBA20
P34/ 58
P35/ 57
P36/ 56
P37/ 55
P40/ 54
P41/ 53
P42/ 52
P43
51
P44/ 50
P45/ 49
P46/ 48
P47/ 47
P50/ 46
P51/ 45
P52/ 44
P53/ 43
P54/ 42
P55/ 41
P56/ 40
P57/ 39
P60/ 38
P61/ 37
P62/ 36
P63/ 35
P64/ 34
P65/ 33
P66/ 32
P67/ 31
P7030
P71/29
P72/
28
P73/
27
P74/
26
P75/
25
P76/
24
P77/23
C551
101
C552
101
C322
101
C327
101
C321
101
C328
101
X703
CST32.768KXW0C1
P7003B
P606A C922
104
C923
104
C968
104
C910
104
C933
104
C7002
103Z
C954
104
C959
682
C958
104
C957
104
C955
104
C953
104
C956
473
C550
223Z
C7011
223Z
C703
CH100D
C706
104
P01
P7004B
K1
K0
KEY GND
REM SIG
P7006A
P7006B
S7011
VR DOWN
S7012
Stop
S7013
FSKIP
S7014
Play/Pause
S7015
VR UP
S7016
Audio Input
S7017
Display
S7018
RSKIP
S7003
RIGHT
S7004
DOWN
S7005
LEFT
S7006
UP
S7007
ENTER
S7001
STANDBY/ON
S7002
SETUP
C307
4.7/50
C305
100/16
C961
220/25
C962
470/6.3
C934
220/16
C7001
2.2/50
C952
470/6.3
C951
220/25
C306
100/16
C329
47/16
03
5
0
04
5
0
C330
47/16
C7003
0.1
C7010
100/6.3
100/6
.
3
C908
4700/35
R320
10K
R310
220K
R325
18K
R305 4.7
(1/2W)
R922
0.47
(1/2W)
R923
12 (1W)
R924
12 (1W)
R706 3.3K
R705 3.3K
R707 10K
R904 100K
R710 10K R915
2.2
(1/2W)
R905
2.2 (1/2W)
R906 10K
R7231 100
R709
10K
R708 10K
R912
2.2 (1/2W)
R951
47
(1/2W)
R7225
270
R7232 100
R7249
220
R7239 220
R7240 220
R7242 220
R7243 220
R7244 220
R7245 220
R7247 220
R7248 220
R3064.7
(1/2W)
R326
18K
R324
330
R317
3.9K
R323
330
R321
10K
R311
100
R327
330
R328
330
R314
220K
R313
220K
R318
3.9K
R312
100
R322
10K
220
R7257220
R7256
220
R7255
220
R7230
100
R7228 1K
D7001
STANDBY LED
U7001
REMSENS
VOLSTB
VOLCL
VOLDA
VR_MUTE
DIGDO
DAMUT
DIGCL
DACS
DARST
XPOR
XURESET
DITCS
B+5
DITPD
POWER
NETRX
NETTX
FLTWST
FLTX
STBLED
FLSEL
NAAF-7652
+5.6V
+5.0V
+5.0V
+5.6V
+16V
BUSY RXD
10 5 1
13 TO ETHER PWB
TO ETHER PWB
1
6
1
3
11
NADG-7651
FFC
F32K
RESET
CNVSS
RXD
CLK
VDD
RTS
TXD
GND
8
5
GND
(XPOR)
COM2_RXD
(XURESET)
COM2_TXD
XDITCS
XDITPD
XDARST
XDACS
DAMUTE
DIGCL
DIGDO
NAETC-7657
NADIS-7656
TO PS PWB
HP-IN
STANDBY LED
GND
+5V
GND
GND
GND
+5V
+5V
5
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
PRINTED CIRCUIT BOARD VIEW - 1
U000:AF-7660
U003:VD-7654
Soldering side
Soldering side
C917
C918
R501
R502
R503
R504R505
R506
R507
R508
Q504
Q503
R509
R510
R513C513
J502
J501
C270
C272 C273
C274
C283
C285
C288
C290
C295
C298
C991
Q271
Q271
R992
R256
R273
R274
R275
R276
R292
R293
R294
R991
L991
1
C299
C995
C994
C501
C502
C505
C506
C507
C508
C511
C512
C905
C906
C913
C913
C914
C914
C915
C916
D905
L501
L501
L502
L502
P502B
P503B
P504A
P505A
P552A
Q501
Q901
Q902
R355
R356
R523
R524
R525
R526
R913
R914
NCAF-7660
25137660
3
P510
J503A
J503B
P507B
Component side
C256
C275
C276
C282
C289
C296
C297
C992
L271
P251
P251
P601
P601
P102A
P306A
P608A
Q274
Q275
R296
U701
U701
X271
X281
NCVD-7654
25137654
1
Component side
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
PRINTED CIRCIT BOARD VIEW - 2-1
U001:DG7651
Component side
C103
C105
C106
C781
C782
C784 C785
C933
C953
C954
C955
C956
C957
C958
C959
C968
C7002
C7206
C7213
C7291
C7294
C7295
C7297
D781
Q7001
Q7001
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R111
R112
R781
R782
R783
R952
R953
R7201
R7202
R7203
R7205
R7206
R7212
R7220
R7225
R7228 R7230
R7231
R7232
R7239
R7240
R7242
R7243
R7244
R7245
R7247
R7248
R7249
R7255
R7256
R7257
R7259
R7260
R7263
R7266 R7267
R7268
R7269
R7270 R7271
R7272
R7274
R7277 R7278 R7279
R7280
R7281
R7282
R7283
R7284
R7285
R7286
R7287
R7288
R7289
R7290
R7291
R7292
R7294
R7295
R7297
R7389
R7390
R7391
R7394
R7395
R7397
R7493
R7494
D7004
D7003
Q7002 R7003
D7005
R7002
R01
C321
C322
C327
C328
Q302
R301 R302
R307
R308
R309
R311
R312
R313
R314
R317
R318
R321
R322
R323
R324
R325 R326
R327 R328
Q714
C703
C706
R708
R710
R709
1
1
Q904
1
Q908
Q906
R964
R965
R904
R906
Q909
R705
R706
R707
R704
R113
R114
R784
R786
R785
C910
Q304
R310
R320
C102
C104
C786
C907
C908
C908
C934
C951
C952
C961
C962 C962
C7001
C7202
C7203
C7204
C7205
D901
L951
L951
P101B
P102B
P606A
P7001A
P7003B
P7004B
P610A
Q101
Q102
Q103
Q104
Q781 Q781
Q905
Q905
R912
R915
R922
R951
R923
X781
X7201
E7001
E7002
Q907
D951
R924
C7003
NCDG-7651
25137651C
C101
P01
C301
C302
C303
C304
C329
C330
P308B
P504B
Q301
Q301
Q307
Q308
Q323
Q324
X703
C702
3
R905
R305
R306
C305 C306
P702
C107
C108
P913A
C307
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
PRINTED CIRCUIT VIEW 2 - 2
U001:DG-7651
Soldering side
C103
C105
C106
C781
C782
C784 C785
C933
C953
C954
C955
C956
C957
C958
C959
C968
C7002
C7206
C7213
C7291
C7294
C7295
C7297
D781
Q7001
Q7001
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R111
R112
R781
R782
R783
R952
R953
R7201
R7202
R7203
R7205
R7206
R7212
R7220
R7225
R7228
R7230
R7231
R7232
R7239
R7240
R7242
R7243
R7244
R7245
R7247
R7248
R7249 R7255
R7256
R7257
R7259
R7260
R7263
R7266
R7267
R7268
R7269
R7270 R7271
R7272
R7274
R7277
R7278
R7279
R7280
R7281
R7282
R7283
R7284
R7285
R7286
R7287
R7288
R7289
R7290
R7291
R7292
R7294
R7295
R7297
R7389
R7390
R7391
R7394
R7395
R7397
R7493
R7494
D7004
D7003
Q7002
R7003
D7005
R7002
R01
C321
C322
C327
C328
Q302
R301 R302
R307
R308
R309
R311
R312
R313
R314
R317
R318
R321
R322
R323
R324
R325
R326
R327
R328
Q714
C703
C706
R708
R710
R709
1
1
Q904
1
Q908
Q906
R964
R965
R904
R906
Q909
R705
R706
R707
R704
R113
R114
R784
R786
R785
C910
Q304
R310
R320
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
PRINTED CIRCUIT BOARD VIEW - 3
U002:AF-7653
C201
C202
C203
C204
C205
C206
C357
C358
C371
C384
P501
P501
P506
P506
P907
P907
P306B
P308A
P602A
P502A
P505B
Q311
Q312
Q309
Q310
Q502
R366
RL501
RL501
E501
NCAF-7653
25137653
3
R225
R226
C212
C211
C210 C209
C521
R918
C909
C904
Q910
Q910
P507A
C351
C352
D301
D501
Q201
Q202
Q203
Q303
Q305
Q305
Q313
R201
R202
R203
R204
R205
R206 R207
R208
R209
R210
R211
R212
R213
R214 R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
R303
R304
R315
R316
R331
R332
R333
R334
R339
R340
R341
R342
R363
R367
R368
R369
R370
R371
R372
1
1
1
1
1
C390
C393
C394
C392
C391
C524 C523
C990
R921
R920
R919
Q911
Q912
Q505
R514
R515
R364
D302
Component side
Soldering side
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
PRINTED CIRCUIT BOARD VIEW - 4
U004:PS-7655
Component side Soldering side
C901
C902
C920
E901
F901
F902
P503A
P901A
P921A
P922A
P923A
P7003A
R901
R902
R907 R908
R909
NCPS-7655
25137655
P924
L901
L901
R916
T901
T901
AC-H
AC-G
3
P928A
R917
P926A
P927
P929A
F901B
F901A
F902B
F902A
1.25A/125V T400mAL250V
RL901
RL901
C903
RISK OF FIRE
-REPLACE FUSE
AS MARKED
AC-G AC-H
223 OR6
C921 D911
D912
D913
R910
D902
U005:DIS-7656
Component side Soldering side
C7010
D7001
P551
P551
P552B
P7004A
P7006B
S7001
S7002
U7001
NCDIS-7656
25137656
1
P554
P553
C7011
R7001
R7012
R7013
C550
C551
C552
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

NC-500
PRINTED CIRCUIT BOARD VIEW - 5
P7006A
S7003
S7004
S7005
S7006
S7007
S7011
S7012
S7013
S7014
S7015
S7016 S7017
S7018
NCETC-7657
25137657 1
2
2
2
2
2
2
2
2
2
2
2
2
2
R7004
R7005
R7006
R7007
R7008
R7009
R7010
R7014
R7015 R7016
R7017
U006:ETC-7657
Component side Soldering side
U007:PS-7658
Component side Soldering side
U008:ETC-7659
Component side Soldering side
P901B
P901B
P927A
P926
25137659
NCETC-7659 1
HL
S901
S901
P921
P922
P923
NCPS-765825137658
1
P928
P929
AC230VAC120V
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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