Sony STR-DB725 User Manual

– 43 –
3-19. IC BLOCK DIAGRAMS
IC001, 601, 701 uPC2581V
PROTECTOR
DRIVE
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG DRIVE
MUTE
+VOUT1 –VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2 +VOUT2
VCC1 VCC2
VEE
IC106 BA6208
1 2 3 4 5 6 7
8
9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
IC251 NJM2296D
9
S5
S6
S7
S4
S1
S2
S3
Vout1
Vout2 Vout3
V-
GND
SW3
SW2SW1
SW5 SW4
Vin1 Vin2
Vin3Vin4Vin5
V+
10111213141516
1 52 3 4 6 7 8
IC302 LC7822
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
CONTROL
LATCH
SHIFT RESISTOR
LEVEL SHIFT
CL
DI
CE
VEE
OUT
IN
OUT
IN
OUT
IN
VSS
S
RESET
VDD
OUT
IN
IN
OUT
IN
OUT
IN

Sony STR-DB725 Specifications

General

Brand	Sony
Model	STR-DB725
Category	Stereo Receiver
Language	English