Sony DPP-EX7 Service Manual page 11

MTD2009J-4072 (SHINDENGEN)
DUAL MOTOR DRIVER
—TOP VIEW—
INPUTS
DEC A, DEC B,
1 40
DEC C, DEC D
2 39
ENA A, ENA B,
ENA C, ENA D
3 38
PHA A, PHA B,
4 37
PHA C, PHA D
5 36
OUTPUTS
6 35
OUT A, OUT B,
7 34
OUT C, OUT D,
OUT A*, OUT B*,
8 33
OUT C*, OUT D*
9 32
10 31
OTHERS
CR A, CR B,
CR C, CR D
R A, R B,
S S
R C, R D
S S
V A, V B,
MM MM
11 30
V C, V D
MM MM
12 29
V A, V B,
REF REF
V C, V D
REF REF
13 28
14 27
ENA A, ENA B, PHA A, PHA B,
15 26
ENA C, ENA D PHA C, PHA D
16 25
0
0
17 24
1
18 23
0 : LOW LEVEL
19 22
1 : HIGH LEVEL
x : DON'T CARE
20 21
PIN PIN PIN
I/O SIGNAL I/O SIGNAL
NO. NO. NO.
1 O 11 — V 21
OUT B* CC
— —
2 R B 12 CR C 22
S
3 O 13 I 23
OUT B DEC C
— I
4 V B 14 ENA C 24
MM
5 — 15 I 25
V B PHA C
REF
I —
6 16 V C 26
PHA B REF
I — 27
7 ENAB 17 V C
MM
I O
8 18 OUT C 28
DEC B
— —
9 CR B 19 R C 29
S
—
10 20 O 30
V OUT C*
CC
34
ENA A
33
DEC A
35
PHA A
BLANKING
ONE SHOT
_
+
CURRENT
SENSOR
DPP-EX7 V2
: DECAY
: ENABLE
: PHASE
: OUTPUT
: C AND R CONNECTION
: RS CONNECTION
: POWER SUPPLY VOLTAGE FOR MOTOR
: VOLTAGE REFERENCE
OUT A, OUT B, OUT A*, OUT B*,
OUT C, OUT D
OUT C*, OUT D*
0 0 1
1 1
0
x OFF OFF
PIN
I/O SIGNAL I/O SIGNAL
NO.
O OUT D* 31 —
NC
— R D 32 — CR A
S
O 33
OUT D I DEC A
— V D 34 I ENA A
MM
— 35
V D I PHA A
REF
I PHA D 36 —
V A
REF
I 37
ENA D — V A
MM
I DEC D 38 O
OUT A
—
CR D 39 — R A
S
— 40
NC O OUT A*
TEMPERATURE
SENSOR
130dC 150dC
BLANKING BLANKING
ONE SHOT ONE SHOT
_
+
CURRENT CURRENT
SENSOR SENSOR
BLANKING
ONE SHOT
_ _
+ +
CURRENT
SENSOR
27
ENA D
28
DEC D
26
PHA D
IC
5-3