Denon DN-S3000 Service Manual page 31

TA7291F (DS: IC512)
1
GND
NC
NC
OUT1
Vref
NC
IN1
NC
8
STR-F6674 (PA: IC901)
4 Vin
FRONT
Start O.V.P
VIEW
Reg.
T.S.D
4700pF
SN74LV393APW (DS: IC710)
1CLK
1 14
1CLR
2 13
1Q
3 12
A
1Q
4 11
B
1Q
5 10
C
1Q
6 9
D
GND
7 8
16
NC
Vs
NC
OUT2
NC
Vcc
NC
IN2
9
DRV.REC=8.6V
100ohm
DRV
Latch
20ohm
Vth1=0.73±0.05V
+
OCP/FB comp.
1.35mA
OSC
Vth2=1.3~1.6V
+
INH comp.
Tth(min)=1m S
TOFF=50m S typ. Iconst trm.
5 GND
SE005N (PA: IC903)
V
CC
2CLK
FRONT
2CLR
VIEW
2Q
A
2Q
B
2Q
C
1 2 3
2Q
D
TA7291F Terminal Function
PIN No. SYMBOL
11 V Supply voltage terminal for Logic
cc
15 V Supply voltage terminal for Motor driver
s
5 V Supply voltage terminal for control
ref
1 GND GND terminal
7 IN1 Input terminal
9 IN2 Input terminal
4 OUT1 Output terminal
13 OUT2 Output terminal
GP1A70R (PA: IC251,252)
3 Drain
SIDE VIEW
2 Source
1 OCP/FB
BOTTOM VIEW
2 3
1 5
C Vout
2 1
3
GND
31
DN-S3000
FUNCTION DESCRIPTION
4
ANODE 1
6
CATHODE
2
PC123 (PA: IC902)
TOP VIEW
ANODE
CATHODE
31
V
6
OA
5 V
CC
GND
4
V
3
OB
COLLECTOR
EMITTER