Block Diagram - Onkyo CR-305TX Service Manual

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BLOCK DIAGRAM

REC
TAPE
PLAY
REC
CDR
PLAY
REC
MD
PLAY
Excluding
USA & Canadian
models
U691
OPTICAL
OUTPUT
OUT
PLL
RCLK
FM
RDATA
TUNER UNIT
RDS
AM
STEREO
SD
SIGNAL
SSTOP
36 LD
LD
37 PD
Q101
RF SIGNAL
A,C
PROCESSING
E
38 PD1
A B
B,D
SERVO AMP.
39 PD2
C
D
E,F
CXA1992BR
41,42
F
1 FEO
CD MECHANISM
FOCUS
GAIN ADJ.
FOCUS
5 VO1+
COIL
6 VO1 -
TRACKING
10 VO2+
COIL
11 VO2-
+
FOCUS/TRACKING &
M
SPINDLE
20 VO3+
SLED/SPINDLE
MOTOR
21 VO3-
MOTOR DRIVER
+
LA6541D
M
SLED
25 VO4+
MOTOR
26 VO4-
+
Q103
M
TRAY
3 OUT2
TRAY MOTOR DRIVER
MOTOR
7 OUT1
TA7291S
OPEN/
CLOSE
Q403,Q404
ACOUSTIC PRESENCE CONTROL
Q401 INPUT SELECTOR
TC9273N-007
13 ST
CK 14
15 CK
DATA 15
16 DATA
ST 16
Q181-Q183
Q184-Q186
TUNER MUTE
CD MUTE
4
European Model only
15 SPOA
CLK 20
14 CLK
XLT 21
13 XLT
DATA 22
12 DAT
Q301
11 CNIN
COUT 24
CD DIGITAL SIGNAL
SENS1 25
10 SEIN
PROCESSOR
CXD2589Q
FOK 27
18 FOK
XRST 79
SENS2 26
VCC 18
5.6V
VCC
Q105
Q110
,Q111
SPDL
VG3 19
VOLUME
R425
M
Q402
ACOUSTIC PRESENCE
Q704
CONTROL
MOTOR VOLUME
TC9162
DRIVER TA7291S
40 PLL
36 RCLK
37 RDATA
39 FCE
13 DSP MUTE
50 TU MUTE
Q180
42 RDS DATA
2
RDS DECODER
1
43 RDS SIG
BU1923
45 RDSCLK
16
18 STEREO
19 SD
26 SIGNAL
Q701
CLOCK
MICROPROCESSOR
9
9
XLAT
MPD78042GF
8
10
DATA
11
7
SENS
6
15
SQCK
14
4
SQSO
16
5
SCOR
44
57
XRST 23
55 XRST
12 SENS20
53 POWER CD
57 OPEN
58 CLOSE
25 IN/OUT
Q751
FL TUBE
10-BT-167GK
POWER AMPLIFIER
Q603,Q405
MUTING
Q601,Q602
AMP. MUTE
+12V
RL901
Q902
ANG MUTE 51
POWER 41
-27V
Q902
+12V
Q901
78M12
+22V
-22V
+5.6V
Q903
78M56
POWER
POFF 31
FAILURE
DETECTOR
SYS IN 46
TO FL TUBE
Q702
SYS OUT 49
BUFFER
REMIN 47
U751
REMOTE
SENSOR
S751-S762
KEY SWITCH
CR-305TX
L
P551
SPEAKERS
R
USA & Canadian models only
P405
SUBWOOFER
PREOUT
P553
PHONES
T901
POWER
TRANSFORMER
F901
P901
AC IN
RI

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