Ic Block Diagrams - Sony STR-DB725 Service Manual
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Also See for STR-DB725:
- Service manual (12 pages) ,
- Service manual (13 pages) ,
- Operating instructions manual (40 pages)
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3-19. IC BLOCK DIAGRAMS
IC001, 601, 701 uPC2581V
BIAS CIRCUIT
PROTECTOR
PRE
REG
DRIVE
DRIVE
1
2
3
4
5
6
IC106 BA6208
SWITCH
SWITCH
1
2
3
4
IC251 NJM2296D
Vout2
SW1
Vin1
16
15
14
13
12
GND
V+
S6
S1
S4
S5
S3
1
2
3
4
5
Vout1
SW5
Vin5
SW3
Vin4
IC302 LC7822
1
IN
2
3
OUT
4
5
IN
6
7
OUT
8
9
IN
10
OUT
11
LEVEL SHIFT
12
VEE
CE
13
DI
14
SHIFT RESISTOR
CL
15
PRE
DRIVE
DRIVE
7
8
9
10
11
12
13
MOTOR
DRIVE
MOTOR
DRIVE
REG
5
6
7
8
Vout3
SW2
Vin2
11
10
9
S7
S2
V-
6
7
8
SW4
Vin3
30
29
28
OUT
27
26
25
24
23
OUT
22
21
20
OUT
19
VDD
LATCH
18
RESET
17
S
16
VSS
14
15
9
IN
IN
IN IN
– 43 –
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