Read Sony MDS-NT1 Service Manual online
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
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
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