Onkyo CR-305X - Motor Driver and Inverter IC Block Diagrams; Q103: TA7291 S (Motor Driver); Q691: TC7 WU04 FU (Triple Inverters)

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18
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CR-305X
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17
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Q103:TA7291S (motor driver) Q691:TC7WU04FU (triple inverters)
1A 3Y 2A
GND
1
2
3 45
6 7 8
Vcc
1Y 3A 2Y
Truth table
AY L H H L
INPUT
OUTPUT
IN1
0 1 0 1
IN2
0 0 1 1
OUT1
п
H
L L
OUT2
п
L
H
L
MODE
STOP
CW/CCW
CCW/SW
BRAKE
CCW : Counter clockwise diection CW : Clockwise diection
Vcc
REG
PROTECTOR
IN1 IN2 GND
OUT1
OUT2
Vss
Vref
ً
ً
ً ً
2
8
159
3
6
7
ST
STEREO
MUTING
MIN
kHz
MHz
MONOAUTOTRACKTIMER
W.DAY W.END REC SLEEP
CD
MEMORY
REPEAT RANDOM
RDS
PMAM
S.BASS
DIRECT
a
b
c
d
e
f
g
h
j
k
m
n
p
r
10G 9G 8G 7G 6G 5G 4G 3G 2G 1G
Q751 : 10BT-167GK (FL TUBE)
10G 9G 8G 7G 6G 5G 4G 3G 2G 1G
P1- aaaaaaaa - P2
W.DAY
jjjjjjjj
MUTING
P3
W.END
hhhhhhhh
MIN
P4
MEMORY
kkkkkkkk
S.BASS
P5- bbbbbbbb - P6- ffffffff - P7- gggggggg - P8
REC
mmmmmmmm
MHz
P9- cccccccc -
P10- eeeeeeee - P11
REPEAT
nnnnnnnn
kHz
P12
RANDOM
r r r r rr r r r
DIRECT
P13- pppppppp - P14- dddddddd - P15
TIMER TRACK AUTO MONO AM PM RDS S
P16
CD
----
Col
-
T STEREO
P17
SLEEP
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Dp
--
(9G - 2G)
CR-305X