Ic Block Diagram And Descriptions - Onkyo FR-155 Service Manual

I C BLOCK DIAGRAM AND DESCRIPTIONS
Q401:TC9273N-004 (Analog function switch)
S1 2
S2 3
S3 4
S4 5
6
S5
S6
7
S7 8
S8 9
S9 10
S10 11
OUT
12
LEVEL SHIFT AND
SHIFT REGISTER
13
GND CK DATA STB
Q447:TC9162AN (Analog function switch)
2
S1
3
S2
4
S3
5
COM1
6
S4
7
S5
8
S6
9
COM2
10
S7
11
S8
12
COM3
13
ST
V V
SS DD
1 28
S1
27
26
S2
25 S3
24
S4
23 S5
22 S6
21 S7
20 S8
19
S9
18 S10
OUT
17
14 15 16
VSS GND VDD
1 14 28
SHIFT REGISTER
Q103,Q181:TA7291S (Motor driver)
Vcc Vref
2
8
PROTECTOR
9 1
IN1 IN2
INPUT
IN1 IN2
0 0
1 0
0 1
1 1
CCW : Counter clockwise direction
CW : Clockwise direction
S1
27
26 S2
25 S3
24 COM1
23 S4
22 S5
21 S6
20 COM2
19 S7
18 S8
17 COM3
16 DATA
CK
15
7
REG
5
GND
OUTPUT
OUT1 OUT2 MODE
STOP
H L CW/CCW
H H
CCW/SW
L L
BRAKE
FR-155
6
Vss
OUT1
7
3
OUT2