Dvd Mechanism - Onkyo DR-S2.2 Service Manual

MICROPROCESSOR CONNECTION DIAGRAM-1
Q8001: MPD784225GC-165-8BT
MAIN POWER
TRANSFORMER
6ch volume with
8ch input selector
BD3811K1
Q3001
46
47
48
Front
Lch
MUTING
To power
amp. section
Front
Rch
CSN 19
CDTO 16
INT1 15
INT0 14
RESET
Q8003
POWER FAILURE
DETECTOR
Audio Decoder
CS493292-CL
Q8101
T9991
AC IN
Q9991
RL9991
Q3006
41 PLLSDO
42 PLLCLK
43 PLLCE
44 NU
45 NU
46 DIRCS
47 DSPSDI
48 DIRINT1 MICROPROCESSOR
49 DIRINT0
(Audio control)
50 INTREQ/ABOOT
51 DSPCS
52 ROM/RAM
MPD784225GC-165-8BT
ADDR15
53
54 ADDR16
NU: No use
55 ADDR17
56 DSPCLK
57 DSPSDO
58 DSPRST
59 DIRPD
60 RESET
+5V
+5V
QUAL 1
RDATA 2
RCLK 16
+13V
Buffer
TC74VHC541FT
Q8307
Page 11
CENTER
FRONT
SPEAKER
SPEAKER
RL5401
RL5402
SURROUND
SPEAKER
RL5403
SPEAKER-B
RL5404
UDD, UDS
type only
MCRST
MCCLK/FPCLK
MCSDO/FLSO
MCSDI/FPSI
MDRDY/FPHS
XREADY
XSCLK
XSO
XRESET
Q8001
XCLK
XS1
AVREF
DVDPOWER
TRAYIN
+5V
Q8402
BU1923F
RDS
demodulator
UPP type only
Detection circuit of
audio signal input
30 CE
11 A15
10 A16
INITIALIZING
6 A17
(Setting of destination )
CMOS EPROM
MX27L2000
INITIALIZING
Q8306
(Setting of FM/AM Band)
Switch which
detects insertion
state of headphone
Detection circuit of
speaker output level
+B
Q5802
Output signals of
power amplifier
Q5803
Thermal detection circuit
Q8501
thermistor
R8504
Video signal
control circuit
MICROPROCESSOR
(Display control)
Q7002
20
NU
MPD784225GC
19 6 RESET
18 7 SUBCK -066-8BT
17 8 SUBDO
16 9 SUBDI
15 10 SUBRDY
14
13
12
11
10
9
NU
8
Regulater
+5V
7
+3.3V
Q9951
6
5
NU
4
NU
3
NU
+2.5V
Q9952
2
NU
1
+5V
Q9927
+12V
Q9902
Q3101
Detection switch
of tray open

DVD MECHANISM

(TRAY LOADING UNIT)
DR-S2.2
P7601
PHONES