Sony BVW-55 Maintenance Manual page 561

AV9173-15CS08T (ICS)
CLOCK GENERATOR
—TOP VIEW—
1
FBIN
FBIN 1 8 CLK2
2
IN
4
FS0
IN 2 7 V
DD
5
OE
GND 3 6 CLK1
INPUTS
IN
FS0 4 5 OE
FBIN
FS0
OE
OUTPUTS
CLK1, CLK2
1
PHASE CHARGE LOOP
FBIN
2
DETECTOR PUMP FILTER
IN
4
FS0
5
OE
BA6285FP-E2 (ROHM)
BIPOLA POSSIBLE REVERSE MOTOR DRIVER
—TOP VIEW—
1 NC NC 24
2 NC NC 23
3 NC NC 22
4 NC NC 21
OUT2 5 20 VREF
IN
RNF 6 19 RIN
IN IN
7 GND 18 POWER SAVE
IN
OUT1 8 17 FIN
IN
9 NC V 16
CC
10 NC 15 VM
IN
11 NC NC 14
12 NC NC 13
FIN RIN OUT2 OUT1 MODE
H L L H NORMAL MODE
L H H L REVERSE MODE
H H L L BRAKE MODE
L L OPEN OPEN STAND BY MODE
15
VM
16
V
CC
18
POWER
POWER
SAVE
SAVE
19
RIN
CONTROL
LOGIC
17
FIN
20
VREF
DRIVER
ISO
7
GND
6
RNF
BVW-55
6
CLK1
8
CLK2
: INPUT FOR REFERENCE SYNC PULSE
: FEEDBACK
: FREQUENCY SELECT 0
: OUTPUT ENABLE
: CLOCK 1, 2
VCO
6
VCO OUTPUT
DIVIDE
CLK1
1 or 4 BUFFER
÷2
OUTPUT 8
BUFFER
17 8
FIN OUT1
19 5
RIN OUT2
18
POWER SAVE
6
RNF
VM
15
INPUT
FIN : MODE SELECTION
POWER SAVE : POWER SAVE SWITCH
RIN : MODE SELECTION
RNF : OUTPUT BLOCK GROUND
OUTPUT CURRENT DETECTION
RESISTOR CONNECTION
VREF : REFERENCE VOLTAGE SETTING
VM : POWER SUPPLY FOR MOTOR
OUTPUT
OUT1, OUT2 : MOTOR DRIVE SIGNAL
DRIVER
8
OUT1
5
OUT2
BA6444FP (ROHM)
BA6444FP-E2
THREE-PHASE MOTOR DRIVER
—TOP VIEW—
RCC 1
IN
ED/S 2
IN
BRK 3
IN
ECGND (GND) 4
A1 5
OUT
A2 6
OUT
RNF (GND) 7
FIN (GND)
CLK2
VM 8
IN
A3 9
OUT
EC 10
IN
ECR 11
IN
TL
12
IN
PCI 13
IN
PCV 14
IN
INPUTS
AMP+ : NON-INVERTING INPUT OF AMPLIFIER
AMP_ : INVERTING INPUT OF AMPLIFIER
BRK : BRAKE
EC : TORQUE COMMAND VOLTAGE
ECR : TORQUE COMMAND REFERENCE VOLTAGE
ED/S : MOTOR ROTATING DIRECTION CONTROL
H1+ - H3+ : HOLE SIGNAL
H1_ - H3_ : HOLE SIGNAL
HYSI : SCHMITT AMPLIFIER
PCH : HOLE AMPLIFIER PHASE COMPENSATION CAPACITOR
PCI : PHASE COMPENSATION CAPACITOR FOR LOWER SATURATION
PCV : PHASE COMPENSATION CAPACITOR FOR UPPER SATURATION
RCC : RIPPLE CANCEL CONTROL
TL : TORQUE LIMIT
VM : MOTOR POWER
OUTPUTS
A1 - A3 : MOTOR DRIVE
AMP : AMPLIFIER
HYSO : SCHMITT AMPLIFIER
OTHERS
ECGND : TORQUE AMPLIFIER GROUND
RNF : MOTOR GROUND/CURRENT DETECT
2
ED/S
28
PCH AGC
27
+
H1+
26
_
H1_
25
+
H2+
24
_
H2_
23
+
H3+
22
_
H3_
3 BRAKE
BRK
CONTROL
TSD
1
RCC
10
EC RIPPLE
11
CANCELLER
ECR
12
TL
V
REF
20
+
AMP+
19
_
AMP_
18 17
AMP HYSI
2
ED/S
28 PCH 28
IN
PCH
8
27 H1+
IN VM
27 5
H1+ A1
26 H1_
IN
26
H1_
25 6
25 H2+
IN
H2+ A2
24
H2_
24 H2_
IN
23 9
H3+ A3
23 H3+
IN 22
H3_
3 7
22 H3_
IN BRK RNF
20 18
AMP
AMP+
19
AMP_
17 16
HYSI HYSO
FIN (GND)
10
EC
11 4
ECR ECGND
12
TL
1
RCC
PCI PCV
13 14
21 GND
20 AMP+
IN
19 AMP_
IN
18 AMP
OUT
HYSI
17
IN
16 HYSO
OUT
15 V
CC
ROTATION
DIRECTION
CONTROLLER
8
VM
5
A1
6
A2
9
A3
7
RNF
LATCH-UP
PROTECTOR
TL
AMP
14
PCV
13
PCI
4
ECGND
16
HYSO
IC
2-11