How it Works
Onkyo
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NC-500
Service manual
52 pgs2.8 Mb0
Instruction Manual
76 pgs9.69 Mb0
Schematic
52 pgs5.28 Mb0
Instructions Manual [ja]
34 pgs4.03 Mb0
Service manual
16 pgs1.97 Mb0
Table of contents
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Onkyo NC-500 Schematic

SERVICE MANUAL
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SERVICE MANUAL
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Audio Network Receiver
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MODEL NC-500
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112002
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NC-500
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TEL 13942296513 QQ 376315150 892498299
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13942296513
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.
STANDBY / ON
STANDBY
SETUP
PHONES
AUDIO NETWORK RECEIVER
Silver model only
120V AC, 60HzTUDD
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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.
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AUDIO INPUT
DISPLAY
SELECT
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VOLUME
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NC
500
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Specifications
NC-500
Amplifier Section
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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
TEL 13942296513 QQ 376315150 892498299
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
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Tuner Section
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Tuning range
FM: 87.50–108.00 MHz (100 kHz steps)
AM: 530–1710 kHz (10 kHz steps)
Usable sensitivity
FM: Mono 11.2 dBf,
AM: 30 µV
50 dB Quieting sensitivity
FM: Mono 17.2 dBf, 2.0 µV (75 Ω)
Capture ratio
FM: 2.0 dB
Image rejection ratio
FM: 40 dB (U.S. & Canadian models)
AM: 40 dB
IF rejection ratio
FM: 90 dB AM: 40 dB
Signal to noise ratio
FM: Mono 73 dB, IHF
AM: 40 dB
Selectivity
FM: 50 dB DIN
AM Suppression Ratio
50 dB
Harmonic distortion
FM: Mono 0.2%
AM: 0.7 %
Frequency response
FM: 30–15,000 Hz (±1.5 dB)
Stereo separation
FM: 45 dB at 1,000 Hz
Stereo threshold
FM: 17.2 dBf, 2.0 µV (75 Ω)
0
(U.S. & Canadian models)
87.5–108.00 MHz (50 kHz steps) (Other area models)
(U.S. & Canadian models) 522–1611 kHz (9 kHz steps) (Other area models)
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)
Stereo 37.2 dBf, 20.0 µV (75 Ω)
85 dB (Other area models)
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Stereo 67 dB, IHF
(±300 kHz at 40 kHz Devi.)
Stereo 0.3%
30 dB at 100 to 10,000 Hz
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WARNING
AVIS
OPERATING INSTRUCTIONS
NC-500
SAFETY PRECAUTIONS
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WARNING : TO REDUCE THE RISK. OF ELECTRIC SHOCK, DO NOT REMOVE COVER(OR BACK). NO USERSERVICEABLE PART INSIDE, REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
TEL 13942296513 QQ 376315150 892498299
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN
WARNING :
OR MOISTURE. DANGEROUS HIGH VOLTAGES ARE PRESENT INSIDE THE ENCLOSURE. DO NOT OPEN THE CABINET. REFER SERVICING TO QUALIFIED PERSONNEL ONLY.
CAUTION :
TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.
POUR EVITER LES CHOCS ELECTRIQUE, INTRODUIRE LA LAME LA PLUS LARGE DA LA FICHE DANS LA
ATTENTION :
BORNE CORRESPONDANTE DA LA PRISE ET POUSSER JUSQU' AU FOND.
PRECAUTIONS
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AVIS
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WARNING
RISK OF ELECTRIV SHOCK
DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE NE
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P AS OUVRIR
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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.
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1. Replacing the fuses
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2. Safety-check out (Only U.S.A. model)
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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
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH FUSE OF SAME TYPE
VA
AND RATING INDICATED.
ATTENTION
AFIN D'ASSURER UNE PROTECTION PERMANENTE CONTRE LES RISQUES D'INCENDIE, REMPLACER UNIQUEMENT
VA
PAR UN FUSIBLE DE MEME TYPE ET CALIBRATION COMME INDIQUE.
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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THIS SYMBOL LOCATED NEAR THE FUSE INDICATES THAT THE FUSE USED IS SLOW OPERATING TYPE FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST E LENT. POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
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NC-500
Index parts and facilities
Remote Controller
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1 STANDBY/ON button
2 Numeric keys
3 PRESET Up/Down buttons
4 ALBUM button
5 ARTIST button
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1
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.
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.
Press to navigate through preset stations for Internet radio or FM/AM radio.
Press to invoke the Album selection menu when working with the Net-Tune Central.
Press to invoke the Artist selection menu when working with the Net-Tune Central.
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Index parts and facilities
B Cursor / / / buttons
Press to locate your selection.
C SELECT button
Press to save a new setting.
D SETUP button
Press to set up the NC-500.
E Operation 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.
F RANDOM button
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3
Press to play the selected track list at random.
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Changing the remote controller
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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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6 GENRE button
Press to invoke the Genre selection menu when working with the Net-Tune Central.
7 PLAYLIST button
Press to invoke the Playlist selection menu when working with the Net-Tune Central.
8 MUTING button
Press to activate the mute function. Press the button again to disable the mute function.
9 SLEEP button
Press to set the sleep function.
0 MUSIC SERVER/iNetRADIO/TUNER/
AUX buttons
Press to select an input source. The TUNER button toggles between FM and AM.
A DISPLAY button
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Press to change the display mode.
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G REPEAT button
Press to repeat the selected single track or track list.
H VOLUME / buttons
Press to adjust the volume.
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NC-500
Index parts and facilities
(2) Operation guide icons
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1 Up 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: “< > when the FM/AM radio feature is selected.
2 Setup
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.
3 Select
This icon is immediately followed by the command you can execute by pressing the SELECT button.
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TEL
Tune” indicates that you can use the Cursor Left and Right buttons to perform tuning
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Index parts and facilities
0
Rear Panel
1 OSD OUT
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2 ETHERNET
3 AM
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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.
This port connects to a broadband mode, router, hub, etc.
This port connects to the AM radio antenna.
UDD
6
8
27123044
ETHERNET
OSD
3
IR
IN
1
9
AM
AUX
FIXED VARIABLE
INOUT OUT OUT
L
R
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2
ANTENNA
FM
75
5
L
R
0
4
SPEAKERS
(
6 OHMS MIN.
R
4
2
NC-
500
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)
L
8 AUX
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9 IR IN
8
AUDIO NETWORK RECEIVER
MODEL NO.
2
9
This port connects to an auxiliary device.
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
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4 FM
This port connects to the FM radio antenna.
5 SPEAKERS
The terminals connect to the speakers.
6 VARIABLE OUTPUT
This port connects to an amplifier without volume control.
7 FIXED OUT
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This port connects to the input port of a
6
receiver with volume control.
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NC-500
Index parts and facilities
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Front Panel
TEL 13942296513 QQ 376315150 892498299
Remote control sensor
1 STANDBY indicator
Lights when the NC-500 is in the Standby mode.
2 STANDBY/ON button
Switches the power mode between Standby and On.
3 AUDIO INPUT button
Changes the playback source.
4 DISPLAY button
Changes the screen content.
5 Play/Pause button
Starts or pauses playback.
Q
STANDBY / ON
STANDBY
SETUP
PHONES
PHONES
jack
TEL
3
AUDIO NETWORK RECEIVER
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8 SELECT button
9 SETUP button
1
AUDIO INPUT
DISPLAY
SELECT
5
Master
volume
VOLUME
-
NC
1
500
513
Saves a new setting.
Activates Setup/Menu mode.
5
Stop
0
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Index parts and facilities
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1
Display
8
(1) Status display icons
1 Random
This icon is displayed to indicate that the NC-500 is in random playback mode.
2 Repeat
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3
This icon is displayed to indicate that the NC-500 is in repeat mode.
3 Ellipsis
Indicates that the text continues.
4 Status
This icon is enclosed in square brackets to indicate that the NC-500 is in normal mode.
5 Browse
This icon is enclosed in square brackets to indicate that the NC-500 is in browse (title selection) mode.
6 Clock
This icon is enclosed in square brackets to indicate that the NC-500 is in clock display mode.
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6 F/B-Skip buttons
Moves to the previous or next track. Holding down the either button fast-forwards or fast­rewinds the current track.
7 Cursor Up/Down/Right/Left buttons
Use these buttons when navigating through various settings, change a value, or move to another menu.
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TEL 13942296513 QQ 376315150 892498299
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EXPLODED VIEW
TEL
A060
3
A105
A101
7
13942296513
U004
U002
6
3
U101D
F901
A120
T901
1
P101
U003
Q501A
5
U000
1
U001
5
A016
A017
A016
0
A026
P609
P602
P606
A025
Q
A015
Q
A016
A013
3
7
6
A016
8
P601
3
A013
U009
1
9
A029
5
A040
1
2
5
A013
0
4
P7001
8
9
9
2
8
4
U006
9
2
8
A110
2
9
A315
A310
9
A112
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A061
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A008
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A009
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A055
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A017
1
6
3
U005
.
A113
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Q7005
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A111
A302
A301
NC-500
A305
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NC-500
A
BCD
SCHEMATIC DIAGRAMS Network Circuit Section - 1/2
7
P606B
1 2 3 4 5
BM05B-SRSS-TB
R661
3
C601
C693 100/6.3
0
47/6.3
+
Q
1
Q
TEL 13942296513 QQ 376315150 892498299
P602B
2
3
TEL
4
5
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1 2 3 4
B4B-PH-SM3-TB
To VLC Board
C644
AGND
D/A Convertor
13942296513
+3.3V
VAL
VAL
C670
C671
+5.6V
5 4 3 2 1
B5B-PH-SM3-TB
P607B
E601
C672
NC
1 2 3
C674
NC
4
Terminal
E602
C675
NC
1 2 3
C676
NC
4
Terminal
E603
C677
NC
1 2 3
C680
NC
4
Terminal
E604
C681
NC
1 2 3
C697
NC
4
Terminal
+3.3V
Reset IC
Q615
5
VAL
C691
1
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6
3.3V 2.5V Voltage Regurator
L603
R696
+
OUT
C632
C635
NC
NC
NC
D605 1SS352
VAL
2
BYPASS
GND
R608
0
R610
0
AVDD = +5V
100/6.3
+
C639
C638
AVDD = +5V
+
C648
C647
100/6.3
R697
4
3
.
+5.6V
47/16Ta
C614
4
VO
3
+
10/16
C694
0.1
+
C640
C641
220/4
+
0.1 C649
220/4
NC
R631
NC
R632
NC
R633
BICK
LRCK
SDTI MCKI
MCKO
SCL SDA CSN
PDN
TX
NC TST TTL
I2C
5
1 2 3 4 6 7 8
VAL
9
10
+3.3V
VAL
R560
R680
+
0.1
6 8 7 5 1
11 12 10
9
2
23 13 14 15
VAL
xia
+5.6V
NFM60R10T471
VAL
R695
Q617 NJM2370U05
5
VIN
1
CONT
+
0.1 C645
100/6.3
A
D604
1SS352
C696
0.001
Q611
18
OUTR
19
OUTL
16
CAD0
17
CAD1
3
DVDD
22
AVDD
20
VCOM
21
AVSS
4
DVSS
24
DZF
VAL
Audio DIT
A
VDD
CD
VSS
VAL
2
3
1
2
C692
0.1
Q605
21
ZERO
16
VOUTL
13
VOUTR
15
AVDD
9
AVDDR
11
VMIDR
10
AGNDR
20
AVDDL
18
VMIDL
0.1
C650
19
AGNDL
14
AGND
+3.3V
OPTSIGNAL
1
5
1
5
0
Q607
83
COL7
84
COL6
85
COL5
86
COL4
87
COL3
88
COL2
91
COL1
92
COL0
23
PA7
24
PA6
25
PA5
26
PA4
27
PA3
28
PA2
62
PD0/LEDFLSH
45
PE2/CLKSEL
46
PE1/BOOTSEL1
47
PE0/BOOTSEL0
56
PD4
155
MEDCHG/BROM
39
TEST1
40
TEST0
75
DRIVE1
76
DRIVE0
67
SSIRXDA
63
SSICLK
65
SSITXFR
66
SSITXDA
93
BUZ
68
SSIRXFR
13
PB7
14
PB6
15
PB5
16
PB4
17
PB3
18
PB2
19
PB1/PRDY2
20
PB0/PRDY1
188
DD3
189
DD2
191
DD1
192
DD0
34
PHDIN
157
VddOSC
Q
160
VssOSC
184
CL2
185
CL1
186
FRM
187
M
31
LEDDRV
79
SMPCLK
161
WAKEUP
55
PD5
7
RUN/CLKEN
5
WORD
105
HALFWORD
70
ADCCS
77
ADCCLK
78
ADCOUT
181
VddCORE1
72
VddCORE0
0.1
180
VssCORE1
71
VssCORE0
59
PD3
37
DCD
38
DSR
35
CTS
36
RXD1
61
PD1
60
PD2
32
TXD1
154
POR
69
ADCIN
156
URESET
125
TRST
11
TDI
58
TMS
90
TXCLK
22
TDO
+3.3V
197
VddIO10
NC
52
6
MultiMedia CPU
123
139
167
183
VddIO7
VddIO8
VddIO9
3
VssIO17
VssIO16
VssIO15
203
198
190
182
XTRST TDI TMS TXCLK TDO
3
XURESET
+3.3V+2.5V
BA33C25FP
Q601
VIN
NC
2
XDITCS
XDITCS
VAL
R671
XDITCS
XDITPD
XDITPD
4.7K
R672
XDITPD
GND
3
CSBIWO
MODE8X
WM8716
RSTB
MCDM127MDMD026MLI2S28MUTEB
22
0
R6360R637
R635
XDARST
DIGCL
DIGDO
XDARST
DIGCL
DIGDO
VAL
VAL
4.7K
R673
R674
R675
XDARST
DIGCL
DIGDO
VO1
VO2
C613
C627
CLKO
DIFFHW
MODE
DVDD
DGND
BCKIN LRCIN
0
XDACS
XDACS
VAL
R676
XDACS
0.1
0.1
XTO
DIN
XTI
25
2
VAL
R638
DAMUTE
DAMUTE
VAL
R677
DAMUTE
4
L601 BLM21P221SG
5
+
4.7/10Ta
C602
23
4 17 12
24
NC
L607
47uH
R616
8
0.1
C636
7
3 1 2
5 6
R559
VAL
R650
47K
1 7
0.1
C663
R670
R681
VAL
o
+3.3V
0.1
C603
+
+3.3V
100/6.3Ta
C615
0.1
C616
+3.3V
R648
10K
+3.3V
10K
R611
+
C637
100/6.3Ta
NC
+3.3V
R626
NC
0.1
C651
X601
10K
10K
10K
R644
R645
R643
WakeUP
+3.3V
0.1
C658
1
Q609A
2
TC7W14FK
10K
R651
+3.3V
10K
R557
10K
10K
R552
R551
XRESET
+3.3V +3.3V
10K
R669
XURESET
0.1
C684
VAL
Q609B
TC7W14FK
3 5
y
10K
R612
R621NCR620
4
FCXO-03
1
10K
R646
10K
R550
0.1
C604
0.1
C617
0.1
C605
C606
0.1
C618
C619
+3.3V
+3.3V
10K
R609
10K
10K
R613
R614
JP1 JP2 JP3
NC
R622
TP601
BCLK LRCK SDATA
R625
256fs
11.2896MHz
2 3
10K
R647
+3.3V
5
4
VCC
G
3
Q610
TC7S02F
COM1_DCD COM1_DSR COM1_CTS COM1_RXD1
COM1_TXD1
u
0.1
0.1
R667
C607
R606
R615
+3.3V
10K
R623
0
+2.5V
0.1
C652
Q
0.1
C659
10K
C620
0.1
0.1
330
D603
SEC1201C
10K
+2.5V
C673
1
107
VddIO6
7
VssIO14
174
VssIO13
168
4
2
9
8
+2.5V
0.1
C608
48
51
VddIO02VddIO121VddIO257VddIO374VddIO489VddIO5
VssRTC
VddRTC
EP7312-CV
1
3
6
VssIO581VssIO473VssIO364VssIO233VssIO112VssIO0
VssIO12
VssIO11
VssIO10
VssIO9
VssIO8
VssIO7
VssIO6
98
149
140
124
116
108
LANRESET DAMUTE XDACS DIGDO DIGCL XDARST XDITPD XDITCS (XURESET) (XPOR) XRESET OPTSIGNAL OPTSIGNAL
.
c
5
WRITE/SDRAS
1
SDCS1 SDCS0
MOE/SDCAS
MWE/SDWE
SDCLK SDCKE
SDQM3
SDQM2 PD7/SDQM1 PD6/SDQM0
EXPCLK
EXTPWR
EINT3 EINT2 EINT1
EINT0 PWRFL BATOK
BATCHG
RTCOUT
RTCIN
EXPRDY
MOSCOUT
MOSCIN
3
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 S27 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
5
D1 D0
CS5 CS4 CS3 CS2 CS1 CS0
PA1 PA0
FB1 FB0
TXD2 RXD2
o
99 101 103 106 110 112 114 117 119 121 126 128 130 132 134 136 138 142 144 146 148 163 165 169 171 173 176 178
94 95 96 97 100 102 104 109 111 113 115 118 120 122 127 129 131 133 135 137 141 143 145 147 150 164 166 170 172 175
0
177 179
193 194 6 202 201 200 199
195 196 53 54 4
1 208 207 206 205 204
152 41 42 43 44 162 153 151
49 50
29 30
80 82
8
9 10
159 158
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
SDQM3 SDQM2 SDQM1 SDQM0
XLANCS
XFLASHCS
XEXTPWR LANINT XEXTIRQ2 XISAINT XEXTFIQ XPWRFL BATOK XBATCHG
10K
R687
32K
I2C_CLK I2C_DATA
+3.3V
C682
EXPRDY
COM2_TXD COM2_RXD
R682
100
X604
15P
C685
m
8
R688
VAL
3.6864MHz
10K
X603 VAL
9
+3.3V
C621
+3.3V
0.1 C630
C629
XSDRAMCS
XOE
XSDRAS
9
10K
10K
R689
R690
VAL
C683
+3.3V
15P
C686
0.1
C687
0.1
0.1
XWE
2
R691
C688
10K
0.1
8
0.1
0.1 C623
C622
0.1
C631
SDQM3
SDCKE
SDCLK
4
EXTPWR LANINT
10K
R692
0.1
C689
XTRST TDI TMS TXCLK TDO XURESET
SDQM2
1K
+3.3V
C624
0.1
9
R656
2
R658
C666
C690
2
A13 A14
A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27
XSDRAMCS XSDRAS XOE XWE
SDCLK SDCKE SDQM3 SDQM2
A13 A14
A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27
XSDRAMCS XSDRAS
8
XOE XWE
SDCLK SDCKE SDQM3 SDQM2
2
+3.3V +3.3V
+3.3V
VAL
R659
0.1
0.1
R603
R604
+3.3V
0.1
C643
R628
R629
2
+3.3V
1K
R655
10K
0.1
C667
C668
LANRESET DAMUTE XDACS DIGDO DIGCL XDARST XDITPD XDITCS (XURESET) (XPOR) XRESET
9
Main Memo
Q603
21
BS1
20
BS0
0
36
A12/NC
0
35
A11
22
A10
34
A9
33
A8
32
A7
31
A6
30
A5
29
A4
26
A3
25
A2
24
A1
23
A0
19
CS
18
RAS
17
CAS
16
WE
38
CLK
37
CKE
39
UDQM
15
LDQM
27
Vcc2
14
Vcc1
1
Vcc0
54
Vss2
41
Vss1
28
Vss0
Q608
21
BS1
20
BS0
0
36
A12/NC
0
35
A11
22
A10
34
A9
33
A8
32
A7
31
A6
30
A5
29
A4
26
A3
25
A2
24
A1
23
A0
19
CS
18
RAS
9
9
17
CAS
16
WE
38
CLK
37
CKE
39
UDQM
15
LDQM
27
Vcc2
14
Vcc1
1
Vcc0
0.1
C665
54
Vss2
41
Vss1
28
Vss0
10K
R660
+3.3V
+3.3V
10K
R662
0.1
0.1 C669
9
DQ15 DQ14 DQ13 DQ12 DQ11 DQ10
DQ9 DQ8
DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
HM5264165FTT-B6
NC
VccQ3 VccQ2 VccQ1 VccQ0
VssQ3 VssQ2 VssQ1 VssQ0
DQ15 DQ14 DQ13 DQ12 DQ11 DQ10
DQ9 DQ8
DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
HM5264165FTT-B6
NC
VccQ3 VccQ2 VccQ1 VccQ0
VssQ3 VssQ2 VssQ1 VssQ0
COM2_TXD
COM2_RXD
LANRESET
53 51 50 48 47 45 44 42
13 11 10 8 7 5 4 2
TEL 13942296513 QQ 376315150 892498299
40
49 43 9 3
52 46 12 6
53 51 50 48 47 45 44 42
13 11 10 8 7 5 4 2
0.1
C653
40
49 43 9 3
52 46 12 6
DIGDO
XDACS
DAMUTE
T
C624
R656
NC-500
A
BCD
SCHEMATIC DIAGRAMS Network Circuit Section - 2/2
Q
Q
3
6
7
1
Main Memory Program Flash ROM
A13 A14
A15 A16
0.1
A17 A18 A19 A20 A21 A22 A23 A24 A25
TEL 13942296513 QQ 376315150 892498299
A26 A27
XSDRAMCS XSDRAS XOE XWE
SDCLK SDCKE SDQM3 SDQM2
2
A13 A14
A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27
XSDRAMCS XSDRAS
3
TEL
XOE XWE
SDCLK SDCKE SDQM3 SDQM2
WR
T
2
2
.3V
+3.3V
4
VAL
R658
0.1
C666
0.1
C690
5
w
Q603
21
BS1
20
BS0
0
36
R603
A12/NC
0
35
R604
A11
22
A10
34
A9
33
A8
32
A7
31
A6
30
A5
29
A4
26
A3
25
A2
24
A1
23
A0
19
CS
18
HM5264165FTT-B6
RAS
17
CAS
16
WE
38
CLK
37
CKE
39
UDQM
15
LDQM
+3.3V
27
Vcc2
14
Vcc1
1
Vcc0
0.1
C643
54
Vss2
41
Vss1
28
Vss0
Q608
21
BS1
20
BS0
0
36
R628
A12/NC
0
35
R629
A11
22
A10
34
A9
33
A8
32
A7
31
A6
30
A5
29
A4
26
A3
25
A2
24
A1
23
A0
19
CS
18
HM5264165FTT-B6
RAS
13942296513
17
CAS
16
WE
38
CLK
37
CKE
39
UDQM
15
LDQM
+3.3V
27
Vcc2
14
Vcc1
1
Vcc0
0.1
C665
54
Vss2
41
Vss1
28
Vss0
1K
R655
10K
R660
10K
R659
+3.3V
+3.3V
0.1
0.1
C667
C668
LANRESET DAMUTE XDACS DIGDO DIGCL XDARST XDITPD XDITCS (XURESET) (XPOR) XRESET OPTSIGNAL
w
10K
R662
0.1
C669
w
COM2_TXD
DQ15 DQ14 DQ13 DQ12 DQ11 DQ10
DQ9 DQ8
DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
NC
VccQ3 VccQ2 VccQ1 VccQ0
VssQ3 VssQ2 VssQ1 VssQ0
DQ15 DQ14 DQ13 DQ12 DQ11 DQ10
DQ9 DQ8
DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
NC
VccQ3 VccQ2 VccQ1 VccQ0
VssQ3 VssQ2 VssQ1 VssQ0
COM2_RXD
LANRESET
DAMUTE
D31
53
D30
51
D29
50
D28
48
D27
47
D26
45
D25
44
D24
42
D23
13
D22
11
D21
10
D20
8
D19
7
D18
5
D17
4
D16
2
40
49 43 9 3
0.1
C642
52 46 12 6
D15
53
D14
51
D13
50
D12
48
D11
47
D10
45
D9
44
D8
42
D7
13
D6
11
D5
10
D4
8
D3
7
D2
5
D1
4
D0
2
0.1
C653
0.1
C654
40
+3.3V
49 43 9 3
0.1
C664
52 46 12 6
XWE XOE XLANCS
XFLASHCS
XDITCS
XDITPD
XDARST
DIGCL
DIGDO
XDACS
.
xia
3
0.1
C655
XWE
XOE
LANRESET
XRESET
(XPOR)
(XURESET)
A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1
XWE XOE XFLASHCS
XLANINT
XFLASHCS
XLANCS
OPTSIGNAL
XTRST
1
10
9 16 17 48
1
2
3
4
5
6
7
8 18 19 20 21 22 23 24 25
11 28 26
EXPRDY
TDI
TMS
TXCLK
TDO
Q604
A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
WE OE CE
XRESET
XURESET
5
0.1
C625
37
VCC
MX29LV320BTC-90
BYTE
RY/BY
WP/ACC
RESET
VSS2
VSS1
27
46
OPTSIGNAL
o
+3.3V
D15 D14 D13 D12 D11 D10
D9 D8
D7 D6 D5 D4 D3 D2 D1 D0
NC
1
0.1
C626
D15
45
D14
43
D13
41
D12
39
D11
36
D10
34
D9
32
D8
30
D7
44
D6
42
D5
40
D4
38
D3
35
D2
33
D1
31
D0
29
+3.3V +3.3V+3.3V
13
10K
R617
47 15 14
12
y
5
10K
R618
XRESET
C670 C671 C682 NC C683 NC C684 0.1 C691 0.1 P601 P603A P604B P606B P608B P610B R559 R560 R561 R619 R624 R638 R639 R640 R641 NC
D15 D14 D13 D12 D11 D10
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
+3.3V
10K
R627
XWE XOE
XLANCS
LANINT
EXPRDY
LANRESET
+3.3V
10K
R558
1 7
COM2_TXD COM2_RXD
DAMUTE XDACS DIGDO DIGCL XDARST XDITPD XDITCS (XURESET) (XPOR)
NC-500 NC NC
NC NC NC BM05-SRSS-TB 52610-1390 52610-1390 NC 10K NC NC NC 0 NC NC
u
0
+3.3V
A3 A2 A1
+3.3V+3.3V
Q
10K
R649
+3.3V
L605 BLM21P221SG
L606
BLM21P221SG
Q618A
TC7W14FK
COM2_TXD
1
60 59 58 54 53 52 51 50 48 47 46 45 44 43 42 41 40 39 38 37
18 19 20 21 24 25 26 27 74 73 72 71 68 67 66 65
7
2 28 29 62 61 49 36 63 34 33 32
64 35 30 31 75
11 12
Q
13 14 15 16
6 2
COM2_RXD
R658 10K R670 R671 R674 R675 R676 R677 R680 R681
R695 NC R696 NC R697 Q611 Q615 X603
Q616
SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0
SD15 SD14 SD13 SD12 SD11 SD10 SD9 SD8 SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0
CHIPSEL ELCS MEMW MEMR IOW IOR REFRESH SBHE AEN MEMCS16 IOCS16 INTRQ0
IOCHRDY INTRQ3 INTRQ2 INTRQ1 RESET
DMARQ2 DMACK2 DMARQ1 DMACK1 DMARQ0 DMACK0
Q618C
6
9
3
95
0.1
0.1 C662
C661
C660
TC7W14FK
Q609C
TC7W14FK 6 2
10K
R657
XTRST TDI TMS TXCLK TDO XURESET
NC-500
NC
4.7K
4.7K
4.7K
4.7K
4.7K 0 NC
4.7KR693 10KR694
MCR35103J NC S-80127CNMC-JKM NC
8
0.1
C609
57
23
10
8
DVSS355DVSS2
DVSS1
DVDD469DVDD356DVDD222DVDD1
DVSS1A
CS8900A
CS8900A-CQ3
3
6
7
AVDD3
AVDD285AVDD190AVSS496AVSS394AVSS286AVSS189AVSS0
0.1
+5.6V
D601
1SS352
3 5
Q618B
TC7W14FK
R654
4.7K
(XURESET) (XPOR)
3
.
C610
70
DVSS3A
1
0.1 C611
DVSS4
BSTS / HCI
CSOUT
EEDIN
EEDOUT
SLEEP
LINKLED LANLED
1
XTAL1 XTAL2
0.1
C695
9
+3.3V
0.1
0.1
C612
91
RXD+
92
RXD-
87
TXD+
88
TXD-
83
DO+
84
DO-
81
CI-
82
CI+
79
DI-
80
DI+
78
17
3
EECS
6 5 4
EESK
77
99 100
93
RES
76
TEST
5
97 98
R685
c
2
R605
8.2_1%
560P
C628
R607
8.2_1%
0.01
C633
0.1
C646
Q606 1 4 3 2
+3.3V
10K
R630
5
1
10P
C656
R683
4.7K
R684
4.7K
10K
10K
R686
R694
o
4
9
R602
100_1%
R601
R553
R554
100_1%
R555
R556
27K_1%
0.01
C634
+3.3V
8
6
CS
NC
VCC
DO DI
7
SK
DC
VSS
93LC46B
5
MAC Address E2ROM
R642
10K_1%
R698
10K_1%
R699
2.7M_1%
X602
20MHz
10K
R693
4.7K
0
C657
10P
XTRST TDI TMS TXCLK TDO XURESET
8
DAMUTE XDACS DIGDO DIGCL XDARST XDITPD XDITCS COM2_TXD (0-5V) COM2_RXD (0-5V) (XURESET) (XPOR) F32K
m
100_1%
27K_1%
9
R561
VAL
100_1%
2
1+3.3V +3.3V
8
4
10K
10K
10K
R665
R663
R664
R666
R678
0
9
10K
2
TXD­CT TXD+
RXD­RXD+
LINKLED LANLED OPTSIGNAL
8
XPOR XDACS DSPDA DSPCL XDARST NETTX NETRX NPOWER
+3.3V
+5VNET
R668
R679
C678
0
0
+5V
2
+5.6V
0.1
GNDDSP
9
+3.3V
9
+
C679
1006.3Ta
P608B
10 11 12 13
9
13 12 11 10
P610B
13 12 11 10
P604B
10 11 12 13 14
1 2 3 4 5 6 7 8 9
9 8 7 6 5 4 3 2 1
9 8 7 6 5 4 3 2 1
P605 1 2 3 4 5 6 7 8 9
NC
9
TEL 13942296513 QQ 376315150 892498299
VAL
To Video Board
VAL
To Control CPU Board
VAL
To NC500 Board
To JTAG ICE
3
4
NC-500
A
BCD
SCHEMATIC DIAGRAM - 1
Q
Q
3
6
7
1
TEL 13942296513 QQ 376315150 892498299
2
8
3
Q201
2
R203
220K
4
10K
R205
NJM4565M-D
C203
272J
5
Q201
6
C202
R204 220K
NJM4565M-D
10K
R206
C204
272J
022M
104
C991
C992
.
xia
3
TEL
4
YKS11-0035
RXD+ 3
RXD- 6
U701
PHTOUT
5
w
R201 1.5K
C209
C201
102J
47/16
1.5K
102J
R202
13942296513
47/16
C210
P907
IR
NAAF-7653
FFC P608A
TXD-
1
CT
TXD+
GND
RXD+
5
RXD-
GND
LED VCC (+3.3V)
LED LAN
TO DG PWB
LED LINK
10
OPT SIGNAL
OPT +5V
OPT GND
P601
13
150
R992
TXD+ 1
4 5
TXD- 2
7 8
R991
150
P251
w
w
C256
470/6.3
C299
223Z
3
R207
10K
R208
10K
L991
47/6.3
68
R256
1
5
1
5
0
R304
10K
R303
Q311
RN1241
R226 4.7
R215
1.5K
22K
8
R213
R211
3
R209
1
22K
Q202
2
7
R296
R210
1.5K
100
Q275
2SA1048
1.5K
182J
R212
22K
C206
182J
P602A
C270
221J
NJM4565M-D
C205
22K
R217
22K
NJM4565M-D
22K
VLC SIG GND
VLC IN LCH
VLC IN RCH
41
TO DG PWB
1K
R292
R294
2S1048
Q274
4
R219
22K
R214 5
Q202
6
R220
22K
R218
VLC PS GND
200K
C297
47/16
R293
8.2K
R221
1.5K
R216
1.5K
R222
1.5K
o
8
3
Q203
2
NJM4565M-D
5
Q203
6
NJM4565M-D
1
4
7
1
7
Q
TUNER RCHTUNER RCH
TUNER GNDTUNER GND
TUNER LCHTUNER LCH
RELAY GNDRELAY GND
RELAY VCCRELAY VCC
14 10 5
C289
100/6.3
C290
223Z
19 15 1
y
u
R223
100
R224
100
Q
IR GND
B
IR
TC4052 B
IR
IR GND
1
A
TC4052 A
C211
220/16
3
CLK
DATA
STB
AFMUTE
AMUTE
PWR(SP RELAY)
TC9413 DATA
TC9413 CLK
TC9413 STB
10 5
TO MICON PWB
6
PWR
1
C212
R225 4.7
220/16
+5V GND
P306B
P306A
3
10K
7
+5V
Q312
RN1241
CS_
VDD 16
0Y 1
2X 152Y2
Q305
6
TC4052
SIN
8
13
1X 14
XCOM
3
3Y
YCOM3
4
SCLK
P102A
.
4
2
9
A10
B9
0X 12
3X 11
5
1
VEE7
VSS8
1Y5
INH6
R315
2.2K
R316
3.9K
1/50
C296
14
1516
SW4-A
Vdd2
CVOUT RST
17181920212223242526272829
c
1
13
SW3-A
CVIN
0
5
11
12
SW2-A
SW1-A
SYNCIN
CVCR
o
9
P308A
5
8
D301
1SS352
8
9
10
OSDSO
OSDCS
OSDSCK
PDOUT
Vss
SEPC
1.5K
682J
m
9
R366 10K
C371
7
VSYNCOUT
AMPIN
R276
6.8K
C276
1/50
100/16
P308B
C298
R275
C275
2
Q313
AFMUTE
KRA107S
17.73MHZ
6
XTALOUT2
AMPOUT
120
R273
8
100DCH
C295
X281
5
XTALIN2
R274 1K
223J
4
FC
C274
2
R309 220
R301
220K
C301
10/50
VDDVSS1
Q301
TC9413AP
2
8
9
10/50
C302
R302
220K
C384
R363
220K
10/50
C288
100DCH
100DCH
C285
100DCH
14.32MHZ
X271
2
3
4
XTALIN1
HSYNCOUT
XTALOUT1
Vdd1
SYNCDET
VCOOUT
VCOIN
C282
100/6.3
L271
5.6UH
220JCH
C273
C272
220JCH

NAVD-7654

9
CS1 CS2
9
R307
220
1
Vss
LC74761-9189
30
C283
9
-12V
+12V
R331
100
101
C351
220K
R333
101
R334
220K
C352
100
R332
DATA
CK
GND STB
9
Q271
223Z
TEL 13942296513 QQ 376315150 892498299
C30
22/50
220
R308
C30
22/50
T
NC-500
A
BCD
SCHEMATIC DIAGRAM - 2
Q
Q
3
6
7
1
-12V
+12V
8
3
2
NJM4565M-D
220K
R333
FIXED OUT Lch
R334
C352 C351
220K
6
TEL 13942296513 QQ 376315150 892498299
5
FIXED OUT Rch
Q303
Q303
4
NJM4565M-D
R339
C357
1
47/16
1K
18K
R341
18K
R342
C358
R340
7
1K
47/16
2
R313
R314
3
2
NJM4565M-D
R317
3.9K
R318
3.9K
NJM4565M-D
6
5
8
R323
C329
1
Q302
330
4
Q302
47/16
R321
6.8K
C327
101
101
C328 R322
6.8K
C330
R324
330
7
47/16
C303
22/50
3
TEL
220
C304
22/50
R311
100
101
220K
C321
13942296513
101
C322
220K
100
R312
3
Q309
RN1241
Q310
RN1241
20
18K
R325
18K
R326
1
R327
330
Q307
RN1241
Q308 RN1241
R328
330
Q323
RN1241
Q324
RN1241
5
1
P505B
P504B
5
P505A
1
4
P504A
1
6
OUT-L
1
-12V
0
VCC-R2
+12V
B+12
Q
C915
220/16
C916
220/16
B-12
79M12
Q501 LM4765
OUT-R3
VEE4
Q901
78M12
IO
G
Q
Q902
G
IO
GND-R5
MUTE-R6
56K
R508
R506
C506
C501
10/50
R502
C502
10/50
R913
3
2.2
(1/2W)
104
C917
104
C918
R914
2.2
(1/2W)
-IN_R7
7
2K
56K
R504
220/6.3
8
+IN_R8
1K
6
C913
3300/35
C914
3300/35
ST/BY-R9
3
GND-L10
R501
D905
RBV1506
C905
56K
56K
1
334
9
-IN_L12
MUTE-L11
R507
C505
C507
334
C508
334
5
C906
2K
334
R5031KR505
220/6.3
2
+IN_L13
1
ST/BY-L14
5
VCC-L15
0
4
L501
R523
10
(1/2W)
L502
R524
10
(1/2W)
R525
C511
(1/2W)
R355
R356
390 (1/2W)
9
(1W)
4.7
104
8
390
R526
C512
P502B
4.7 (1W)
9
104
P552A
1
4
2
1
3
8
C390
223
P502A
C521
223
Q502
2SC1815BL
4
2
1SS352
9
D501
C393
C394
C522
8
101
C391
101
101
C392
101
2
101
1.5K
R367
C521
9
R369
330
R370
330
R371
560
560
R372
R368 1.5K
P501
F/L
101
9
9
F/R
9
AUX IN
FIXED OUT
VARIABLE OU
P506
TEL 13942296513 QQ 376315150 892498299
4
5
w
w
w
.
xia
NADG-7651
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST E LENT. POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES THAT THE FUSE USED IS SLOW OPERATING TYPE FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL
o
y
u
SUB AC 1
SUB AC 1
P-OFF
SUB AC 2
SUB AC 2
1
P7003A
1
5
6
31
150
3
(1/2W)
(1/2W)
R907 (1/2W)
(1/2W)
P503A
R902
0.22
R901
0.22
R908 150
P503B
D912
1SS352
6
14
13
12
11
D911 1SS352
NPT-1385
T901
4.7/16
.
AC 230V
5
T400MAL 250V
2A/125V
1
2
T.F US E
R909
470
(1/2W)
C920
S901
F901
P924
FUSE
F902 FUSE
DE1307E472MKH
10
D913
UDZ5.1B
c

NAAF-7660

P928
P921
P922
P923
P921A
P922A
P923A
P928A
P924A
L901
C902
472M
472M
DE1307E472MKH NCH-3489 NCH-3567
P-OFF
223
C921
10K
R910
o
m
AC 120V
NAPS7658
P929
P929A
C901
NAPS7655
P926A
P927A
(1/2W)
NAETC-7659
P901A
P901B
P930A P930
3.3M R916
P901
P926
P927
P41/
53
P72/
28
R7255
NC-500
A
BCD
SCHEMATIC DIAGRAM - 3
Q
Q
3
6
7
1
ONSCREEN SCLK
19
TEL 13942296513 QQ 376315150 892498299
2
3
TEL
ONSCREEN SIN
ONSCRENN CS
+5V
+5V GND
15
PWR(SP RELAY)
AMUTE
TC9413 STB
TC9413 DATA
TO VIDEO PWB
TC9413 CLK
10
TC4052 A
TC4052 B
IR
IR GND
SP RELAY +VCC
5
SP RELAY GND
TUNER Lch OUT
+5.6v
TUNER Rch OUT
1
P102B
R113
C107
2.2K
2.2K
R103
10K
R104
R101
100K
472
0.47/50
13942296513
39K
STEREO
R112
3
RN1241
Q101
C101
1K
R106
RN1241
Q102
R105
4.7K
+0.5V
1
Q103
DTA114ES
R108
39K
3.3/50
R102
100K
C104
1/50
C102
39K
R107
C103
101
5
10K
R114
472
C108
NP200NP200
1
5
0
Q
Q
3
R7494
C7294
R7394
R7391 10K
102K
7
8
102K
C7291
R7493
2.7K
R7397
2.7K
C7297
102K
2.7K
R7395
6
10K
2.7K
3
R7289
R7290
C7206
C7295
000J
4.7K
4.7K
102K
104Z
1
9
000J
R7389
10K
R7390
10K
R7291
R7292
5
R7294
R7295
C7205
FLWR
FLSEL
4.7K
R7297
4.7K
1
2
R7279
R7281
FLDA7
R7282
FLDA6
R7283
FLDA5
R7284
FLDA4
R7285
FLDA3
R7286
FLDA2
R7287
FLDA1
R7288 1K
FLDA0
4.7K
100/6.3
5
RDSEN
AREA2
AREA1
HPDET
MODEL
KEY1
KEY0
R7280 1K
0
4
1K
1K
1K
1K
1K
1K
1K
1K
92
94
98
47K
R704
P07/81
P06/82
P05/83
P04/84
P03/85
P02/86
P0187
P0088
P107/89
P106/90
P105/91
P104/
P10393
P102
P10195
AVSS96
P10097
VREF/
AVCC99
P97/100
OSDDA
R7201 1K
R7278
80
P10
P11/79P12/78P13/
P95/2
P96 1
OSDCL
R72031KR7205
R7202 1K
8
9
220
220
SELA
SELB
R7277
77
P94/3
OSDCS
9
2
8
220
220
220
220
220
220
220
R7271 220
R7274
R7272
FLBUSY
RDSSIG
RDSDA
P14/76P15/ 75
P16/ 74
P17/ 73
P20/72P21/71P22/ 70
P92/5P93/4
BYTE8CNVSS/9
P917
P91/ 6
IRIN
R01100
IRMAIN
100
1K
R7206
4
2
C7213
104Z
R7270
R7212
R7269
P23/ 69
P8611P87/10
RESET 12
RESET
1K
9
R7267
R7268
R7266
SD
P24/ 68
P25/ 67
P26/66P27/ 65
Q7001 M16C/62A
VCC16
VSS14
XIN/15XOUT/
13
8
X7201
CST16.00MXW0C1
474J
474
2
9
R7263
1K
C7204
63
P30/
VSS264
17
C7203
VCC262
POFF
9
P31/ 61
P82/20P83/19P84/18P85/
P32/ 60
1K
C7202
R7260220
AMUT
R7220
9
R7259
P33/59P34/ 58
9
R7257
R7256
220
220
220
VOLCL
VOLDA
VOLSTB
P35/57P36/ 56
P37/55P40/
P77/23P80/22P81/21
P74/26P75/25P76/
24
STBLED
270
100/6.3
220
TEL 13942296513 QQ 376315150 892498299
54
P73/27
FLTWST
R7225
4
5
w
P101B
FFC
FM
AM
w
CEDICL
1
DO
CLDICE
L
H
R7394 NON
R7494
w
FMSIGNALOUT
GND
FM SIGNAL OUT
AREA1
R7391
R7493
JPN
VDD +5V
FMDETOUT
VDD +12V
FM DET OUT
.
LOUT
ROUT
GND
R OUT
L OUT
AREA2
R7290
USAEXP
R7390
EU
NAC-2.3 NP200NC-500MODEL
10K10K
TUMUT
15105
TUNED
STEREO
MUTING
FM/AM TUNER
RDSEN
R7289
R7389
33K82K
10K
xia
o
C105
223Z
y
R109
680K
Q104
2S1740S-R
u
223Z
1K
C106
R111
10K
R784
1
R7821KR783 1K
R781 1K
3.3K
R110
C781
X781
AF6146CG
15
16
T57
RDSCLK
RDSSIG
RDSDATA
1234567
C786
R786 10K
R785 10K
6
CH220J
C782
13
14
X1
X0
Q781 BU1923
INPUT
VREF
+2.5V
C785
2.2/50
3
CH220J
10
11
12
T1
VDD2
VDD1
T2CMP
VSS2
VSS3
VSS1
8 9
561K
223Z
C784

NADG-7651

.
c
D781
1SS352
o
P308B
1
5
8
m
FLDA7
FLDA6
FLDA5
FLDA4
FLDA3
R309
R301
220K
TC9413AP
R302
220K
C301
Q301
C302
VCC
10/50
10/50
10111213141516
GND
GND
220
CS1 CS2
GND STB
R307
220
FLDA2
GND
DATA
CK
3456789
1
D7D6D5D4D3
220
VCC
VCC
VDDVSS
1
P7001A
FLDA1
FLDA0
PLUG_20
FLWR
19
17
RXD
WR
D0D1D2
FLSEL
18
BUSY
/SEL
GND
/TEST
C303
R311
100
22/50
101
C321
220
R308
101
C322
220K 220K
C304
100
R312
22/50
P P
P34/ 58
P77/23
100/6
3
220
NC-500
A
BCD
SCHEMATIC DIAGRAM - 4
7
Q
Q
3
1
R7257220
R7256
TEL 13942296513 QQ 376315150 892498299
VOLCL
VOLSTB
P35/57P36/ 56
2
24
STBLED
270
.
3
TEL
220
VOLDA
C7003
220
R7255
0.1
55
52
51
P43
P37/
P74/26P75/25P76/
P40/54P41/53P42/
27
R7225
VR_MUTE
P44/ 50
DIGDO
P45/
49
DAMUT
P46/ 48
DIGCL
P47/ 47
P50/ 46
DACS
P51/ 45
DARST
P52/ 44
XPOR
P53/ 43
XURESET
P54/ 42
P55/ 41
DITCS
P56/ 40
DITPD
P57/ 39
POWER
P60/ 38
P61/ 37
P62/ 36
P63/ 35
P64/ 34
P65/ 33
NETRX
P66/ 32
NETTX
P67/ 31
P7030
P71/29
P72/28P73/
1K
FLTX
100
FLTWST
R7230
R7228
R708 10K
13942296513
6
10 5
13 TO ETHER PWB
P610A
XDACS
DAMUTE
DIGCL
DIGDO
R7002
100
220
R7249
R7248 220
R7247
220
220
R7245
R7244
220
220
R7243
220
R7242
R7240
220
220
R7239
R906 10K
R7232 100
R7231
100
P01
3
XDARST
XDITCS
XDITPD
R710 10K
10K
COM2_RXD
COM2_TXD
R709
1
F32K
(XPOR)
(XURESET)
1
GND
5
FFC
CST32.768KXW0C1
1
P702
R707
10K
3.3K
R706
3.3K
R705
104
C706
678
Q714
S-3531AEFS
123
45
C702
30P
X703
C703
CH100D
5
Q908
IRLML6401
R904 100K
G
D7003
+5.0V
47K
R7003
D7004
1SS352
0
P606A
+5.6V
C910
104
1SS352
Q7002
RN1404
103Z
C7002
D7005
TO ETHER PWB
+5V
D
S
+5.0V
Q
1
1SS352
GND
+5V
C7001
2.2/50
Q
5
GND
GND
+5.6V
470
R953
3
R952
C952
220/16
C934
7
4
2
9
8
78M56

NAAF-7652

C962
C968
104
470/6.3
P913B
P913A
Q913
I
O
G
C923
C922
104
104
C961
220/25
9
R923
12
R924
12
(1/2W)
(1W)
(1W)
R922
8
0.47
2
9
9
TEL 13942296513 QQ 376315150 892498299
C907
2
P7003B
104
9
TO PS PWB
9
2.2K
470/6.3
Q907
O
B+5
G
6
C959
L951
C958
RN1407
Q904
I
682
47
104
C933
MPC29M12HF
104
3
7
8
Q905
SI-8010GL
123
104
C954
1
6
104
C953
45
47
R951
D951
104
C955
RK16
Q906
R964
RN1407
10K
0
5
1
5
C956
(1/2W)
R965
473
10K
Q909
IRLML6401
D901
2
R905
(1/2W)
2.2
4
C908
4700/35
D3SBA20
9
8
+16V
(1/2W)
2.2 R912
104
C951
C957
220/25
R915
(1/2W)
2.2
S
G
D
9
8
RESET
CNVSS
RXD
CLK
VDD
RTS
TXD
GND
7001A LUG_20
9
RXD
FLSEL
0
4
BUSY
220K
R313
R314
220K
3
Q302
2
NJM4565M-D
R317
3.9K
R318
3.9K
NJM4565M-D
6
Q302
5
w
8
R323
C329
1
47/16
330
4
R321
10K
C327
101
101
C328
R322
10K
C330
R324
7
330
47/16
.
03
R311
100
0
5
04
100
R312
0
w
101
C321
101
C322
w
Q7005
20S4D1DA2
R327
330
18K
R325
18K
R326
Q307
RN1241
Q308 RN1241
R328
330
Q323
RN1241
Q324
RN1241
xia
1
3456789
101112131415161718
2 20
(1/2W)
R305 4.7
R3064.7
(1/2W)
C306
C305
100/16
100/16
C307
R310
220K
4.7/50
Q304
NADG-7651
o
y
R320
KRA107S
10K
K1
K0
KEY GND
REM SIG
P7001B PLUG_20
19
P504B
u
1
6
P7004B
5
8
REMSENS
1
+5V
GND
STANDBY LED
HP-IN
P7004A
U7001
STANDBY LED
D7001
223Z
C7010
C7011
R7001
100
6
100/6.3
3
R7012
330
STANDBY/ON
S7001
SETUP
.
P7006B
R7013
470
S7002
11
3
c
P7006A
R7009
330
S7011
VR DOWN
o
R7010
470
FSKIP
S7012
Stop
RIGHT
m
R7004
R7014
R7005
1.2K
820
560
S7013
S7014
S7015
VR UP
Play/Pause
R7016
R7015
1.2K
820
560
S7004
S7005
DOWN
LEFT
S7003
2.2K
Audio Input
R7017
UP
3.9K
S7017
Display
ENTER
S7007
RSKIP
S7018
S7016
2.2K
S7006
R7008
R7007
R7006

NAETC-7657

P551
101
P554 P553
101
C552
223Z
C550
P552A
C551

NADIS-7656

PRINTED CIRCUIT BOARD VIEW - 1
NC-500
U000:AF-7660
Q
Q
TEL 13942296513 QQ 376315150 892498299
7
3
Component side
P503B
Soldering side
C906
6
C905
D905
C914
C913
3
P510
J502
J503A
C914
C913
1
C507
C508
R913
R914
C916
Q902
C918
J501
5
J503B
C915
Q901
C917
R503
R501
1
Q501
P505A
R506
R508
5
C501
P504A
L501
3
R513
0
C502
C505
C506
R524
25137660
NCAF-7660
C513
L501
L502
L502
R526
C512
C511
R525
8
P552A
R355
P502B
P507B
R356
R523
R510
Q503
R509
9
Q504
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
TEL
U003:VD-7654
w
13942296513
Component side
Soldering side
w
w
.
xia
P102A
R507
o
R504R505
y
R502
NCVD-7654
1
X271
P306A
u
Q
25137654
C282
Q275
1
Q
C285
C270
C295
3
X281
C296
C289
Q274
R294
C298
6
1
R276 C272
C288
7
R293
C283 C290
Q271
3
C273
6
L271
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
P601
C275
C276
P608A
C992
C297
C256
R296
R256
R292
Q271
C274
R275
R274
.
R273
c
C995
C991
o
L991
C994
P601
U701
U701
P251
P251
C299
m
R991
R992
PRINTED CIRCIT BOARD VIEW - 2-1
U001:DG7651
Q
Q
3
Component side
6
7
TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
3
1
5
R952
Q905
C953
1
D7005
C952
C957
R951
R923
P7003B
C959
R953
Q905
C956
C955
P7004B
C958
C951
R904
R906
R924
C961
D901
C907
5
C954
Q908
P606A
C962
P308B
Q304
R325
Q307
R327
0
P7001A
R7389
R7390
R7397
R7297
R7220
R7228
R7003
Q308
C7297
1
C7001
C7295 C7206
C933
Q906
Q700
R7225
Q907
C7203
X781
3
R7295
1
R7290
R7289
Q700
C781
D781
R7395
Q904
L951
C7204
Q323
Q7002
C908
R915
R7206
R7212
C962
R7205
X7201
Q
R320
Q909
R326
R328
Q324
C7205
1
C7213
D7003
Q
C908
C934
R965
D7004
C7002
R912
R964
L951
R7201
R7202 R7203
D951
C910
C968
P913A
R922
R905
P504B
8
3
R7288
R7287
R7292
R7291
R7294
R7277 R7272
R7269 R7268
25137651C
NCDG-7651
R7266
R7239
R7231
R7232
R7230
C7202
R7002
R784
Q781
R783
6
7
C784 C785
R102
Q102
C108
Q101
C106
C107
R110
Q104
C104
R786
C782
Q781
Q103
R7286
R7278
R7255
R785
3
R7494
R114
R103
R782
R109
C105
R7285
C7294
R7257 R7256
R7243 R7242 R7240
R7284
R7267 R7260
R7248 R7247
R7245 R7244
R101
R7283
R781
1
C103
R111
R108
9
R7281
R7282
R7394
R7493
R7279
C7003
C786
5
R107
R113
R7280
R7391
C703
C7291
R7270 R7271
R112
R704
R7263
R7249
C102
C101
R105
R104
X703
1
R7259
R106
1
P101B
R7274
2
R01
R710
Q714
C706
5
R708
R709
R705
C702
P610A
0
4
P01
R706
R707
P702
P102B
9
8
9
2
8
4
2
9
8
NC-500
9
9
2
9
TEL 13942296513 QQ 376315150 892498299
9
w
w
w
.
xia
E7001
R310
C307
R305
R306
o
R323
R317
R321
Q302
C305
y
C329
C327
R313
C321
R318
R324
C330
1
R311
C306
u
R312
R314
R322
1
C304
C302
R302
C322
Q301
C328
C303
Q301
R301
6
R307
R309
C301
3
R308
E7002
.
c
o
m
PRINTED CIRCUIT VIEW 2 - 2
NC-500
Q
U001:DG-7651
Q
3
7
6
3
1
5
1
5
0
Soldering side
R01
R708
R710
R704
R7280
R7281
R7282
R7283
R7284
R7285
R7286
C7294
R7288
R709
TEL 13942296513 QQ 376315150 892498299
R706
R707
R705
C706
Q714
R7263
R7249
R7274
R106
1
C703
R7259
C7291
R7279
R7270 R7271
R7391
R7493
R7267 R7260
R7248 R7247 R7245 R7244
R7243 R7242 R7240
R7257 R7256
R7394
R7278
R7255
R7287
R7494
R7291 R7294
R7277 R7272
R7269 R7268
R7266
R7239
R7231
R7232
R7230
R7002
R784
R786
R785
R781
R782
R7292
R7389
R7390
R7290
R7395
R7289
C7295 C7206
R7295
Q7001
Q7001
R7228
R7225
R7003
R783
C7297
R7397
R7297
R7220
D7004
1
C7002
R7212
C7213
D7003
R7206
Q7002
R7205
Q904
R7201
R7202 R7203
C910
C968
8
C958
C954
Q908
R906
9
D7005
2
4
9
8
2
9
9
TEL 13942296513 QQ 376315150 892498299
C959
R952
R953
C956
C955
C953
C957
R904
TEL
13942296513
R105
R104
C782
C103
R107
C784 C785
R111
R102
R114
R113
R103
R101
R109
R112
R108
C105
Q
C781
D781
C106
R110
R308
R309
C933
R965
R964
Q906
R307
R302
R301
Q304
R320
Q909
R326
R328
C322
C328
R325
R327
R312
R322
R311
R323
R313
R314
C321
R318
R324
R317
1
R321
C327
Q302
R310
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
w
w
w
.
xia
o
y
u
1
6
3
.
c
o
m
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