Microprocessor Connection Diagrams - Onkyo HT-R520 Service Manual

MICROPROCESSOR CONNECTION DIAGRAMS-1

Q7008:MPD784225GC-XXX-8BT(MAIN MICROPROCESSOR)
Q201
COMPOSITE
VIDEO-1 OUT
C
Q208
S-VIDEO
Y
Q207
Q202
COMPOSITE
MONITOR OUT Q210
C
S-VIDEO
Q211
Y
OUT L
POWER
AMPLIFIER
OUT R
CIRCUIT
SUB WOOFER
PREOUT
MUTE
Q203
LA7956
Q212
LA7956
S_VIDEO (C SIGNAL)
Q213
LA7956
S_VIDEO (Y SIGNAL)
VIDEO SELECTOR SWITCH
Q301 BD3817KS
MUTE 83
SELECTOR/
CL 84
VOLUME/
TONE CONTROL
DATA 85
Q7002
TC74VHC541FT
13
FCS 13
14
RESET 144
15
SCS 135
FA1, FSCDIO 4
12
SCDIN 136
11
FAO, FSCCLK 6
SCCLK 142
PDN 31
Q701
CDTT/SDA 23
CS494003CQZ
22 CDTT/SDA
DSP
21 CCLK/SCL
Q800 AK4588
DIR, 2CH A/D,
8CH D/A
CONVERTER
INT0 80
CDTO 20
FINREQ 16
INTREQ 3
SCDOUT 136
Q7003 TC74HCT7007AF
VIDEO
MUTE
Q205
DRIVER
Q206
DRIVER
COMPONENT VIDEO
VIDEO IN1
RL242
CB
CR
Y
RL241
VIDEO IN2
Q307
CB
CR
Q308
Y
Q312
Q313
Q306
DRIVER
3
2
3
2
TUNER
3
UNIT
2
41 NU
42 NU
43 SELMUTE
44 SELCLK
7
45 SELSDO
46
6 ~DIRRST
47
~DIRCS
5
48
~DSPFSC
49
~DSPRST
50 ~DSPCS
8
51
52
9
53
54
55
NU
56
57
58
59
RESET
60
Q7001
RESET
POWER
FAILURE
DETECTION
INT 1
9
8
11
10
13 12
4
3
1 2
AC IN
Q7006
Q921
RELAY
Q7007
DRIVE
Q6601
RELAY
DRIVE
OUT
CB
Q6602
CR
RELAY
DRIVE
Y
T901
POWER
TRANS.
HPMUT
~MCRST
MCCLK
MCSDO
MCSDI
Q7008
MCRDY
MPD784225GC
PURE POW
-XXX-8BT
MAIN MICRO
DSP_CLK
PRCESSOR DSP_DA
DSP_SDI
AVREF1
NU: NO USE
THERMPRO
AVSS
BAND
VOLH
PROTECT
X7001
12.5MHz
16 2
1
Q181
BU1924FS
RDS
MPP TYPE
DEMODULATOR
ONLY
TX-SR502/E/8250/HT-R520
RL901
F901
POWER
TRANS.
RL6800
L
FRONT-A
R
SPEAKERS
RL6803
CENER
SPEAKER
RL6804
L
SURROUND
SPEAKERS
R
POWER SUPPUY FOR
AMPLIFIER SECTION
LOW
HIGH
VOLTAGE
SELECTOR
RL6901
+B RL6902
Q6901
RELAY
DRIVE
RL6801
L
FRONT-B
Q6603
R
RELAY
+B
DRIVE
DETECTION
SWITCH
6
Q7502
7
SUB-
8
MICRORPOCESSOR
9
MPD70232GC-XXX-8BT
10
20
POWER SUPPLY FOR
19
VIDEO SECTION
18
+12V
Q6405
17
78M12
16
15
14
NU 13
NU 12
R6381,Q6313 R6380,Q6303
NU 11
THERMAL THERMAL
10
DETECTION DETECTION
9
CIRCUIT CIRCUIT
8
7
+5V
NU 6
R7003,7004
5
DESTINATION
4
SET UP
3
2
1
OUTPUT LEVEL
Q6703
DETECTION
GATE
CIRCUIT
Q6701,6702
DC DETECTION
R7080
R7180
Q6070~6074
CURRENT
R7179
DETECTION
R7079
R7178
POWER AMPLIFIER
R7078
CIRCUIT
DESTINATION
SET UP
AMPLIFIER
SECTION
P7501
PHONES
Q6407
+22V