Onkyo FR-N3X - Main Microprocessor

FR-N3X
FVDATA
FVCLK
FVLATCH
DINPUT
DOUT
CLOSE
OPEN
VSS1
CLOSE SW
OPEN SW
CDMUT
CDPOWER
CDRESET
LDON
FOKI
SCLKO
CDXLT
SENSI
FANCTRL
RCREQ
STEREO
SD
PLLCE
PLLCLK
PLLDATA
RDSSIG
RDSDATA
SYSIN
SYSOUT
EEPROMCS
EEPROMCLK
EEPROMDI
EERMDO
AMPGAIN
TUMUT
RECMUT
SELMUT
RCPOWER
ACPOWER
RESET
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42
43
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46
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59
60
20
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11
10
9
8
7
6
5
4
3
2
1
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CDCOM
CDSUBQ
CUBCL
SUBSI
SUBSO
SUBRST
FREQCAL
MSCK
MSO
MSI
MDCLK
RCDATA
MDDATA
AVREF1
MDRESET
MDSHUTDOWN
AVSS
RDSEN
BAND2
BAND1
GND POFF RDSCLK SCORI SUBREQ MDREQ VSS0 VDD1 X2 X1 TEST/VPP XT2 XT1 VDD0 AVDD SIGNAL RMCNTYPE PROTECT MODEL BAND0
Q701
MPD784225GC-177-8BT
P DOWN
RST
+5V
SDATA MD
SDATA RC
1 SQSO
5 DATA
Q103
CXD3017
2 SQCK
7 CLOK
9 SUBSO
8 SUBSI
7 SUBCL
RCREQ
8 SENS
6 XLAT
9 SCLK
Q102
CXA2581N
12 SW
24 FOK
3 XRST
Q201
BA5984
21 MUTE
+3.3V
+5V
13 DVCC
Q204
C705
+5V
+5V
CLK
6 RES
6
4
5
Q707
11
12
13
1 FWD
2 REV
Q352
1
3
KMK-260EEO
DIN0
Q702
BR93LC46F
CE 34
DATA 33
CLK 32
Q451
M62433FP
Q710
MD REQ
13
SCOR 20
Q707
1
2
3
+5V
LOUT
Q704
RI
REMOTE
CONTROL
P381
T901
RL901
Q901
AC IN
12
11
Q352
MD REC L
Q708
11
12
13
3
1
2
1
Q207
DIGITAL
OUTPUT
6
4
5
Test point
10
9
8
3
Q801
MPD780232GC-070-8BT
ROUT
Rch
SUBRQ 20
Q206
+5V
77 LOUT2
72 LOUT1
Rch
EEPROM
1 SQSO
MICROPROCESSOR CONNECTION DIAGRAM
Q701: MPD784225GC-177-8BT
MAIN MICROPROCESSOR
MD MECHANISM
SUB MICROPROCESSOR
TUNER UNIT
Power Amp.
section
Function
control
Muting
Gain
control
Power supply
control
Over current
detection circuit
To MD mechanism
Muting
CD Digital Signal Processor with Built-in Digital Servo and DAC
RF Signal Processor
for CD Players
Selector,Volume
and Tone control
Reset
Power failure
detection
circuit
Digital selector
Open/Close
detection switch
CD Mechanism
Main power
transformer
Muting
CD analog out
Clock frequency
Adjust
Initializing Initializing Initializing Initializing Initializing
Buffer
BTL Driver