Sony MDS-NT1 - Manual (Page 49)

49
MDS-NT1
IC401 BH6519FS-E2
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
GND VG
IN4R IN4F VM4
OUT4F PGND4 OUT4R VM34 OUT3R PGND3 OUT3F
VM3 IN3F IN3R PSB
CAPA
–
CAPA+ IN2R IN2F VM2 OUT2F PGND2 OUT2R VM12 OUT1R PGND1 OUT1F VM1 IN1F IN1R V DD
CHARGE
PUMP.
OSC
INTERFACE AMP
INTERFACE AMP
AMP INTERFACE
PREDRIVE PREDRIVE
PREDRIVE PREDRIVE
AMP
INTERFACE AMP AMP AMP
V DD
PSB
AMP
– MAIN Board –
IC400 MAX1626ESA-TE2
1
2
3
4
+
+
–
REF
ERROR
COMPARATOR
CURRENT-SENSE
COMPARATOR
R1 R3
R2
1.5V
MINIMUM ON-TIME
ONE-SHOT
TRIG Q
MINIMUM OFF-TIME
ONE-SHOT
TRIG Q
Q
R
S
7
8
+ +
–
–
6
5
OUT
3/5
SHDN
REF
EXT
GND
CS
V+
3 4 5 6
+
–
COM
+
–
COM
8
1
INTERRUPT
SIGNAL
GENERATOR
RESET
SIGNAL
GENERATOR
2 7
INT
RESET
CD GND
VCC NC NC NC
R1
R2
R4
R3
IC420 M62016FP-E1