7. Block diagram
Block diagram 7.
7.
MAINS IN
MAINS
OUT
P19-2
P19-1
TF1
T1
D2
C5
RL1
P20-1
P20-2
TF5
T2
F2
F4
F3
D3
P22-1
P22-12
P1-12
P1-1
10V
P21-4
P21-3
P23-3
P23-4
REL1
P21-1
REL2
P21-2
P23-2
P23-1
5V
PON
1V 1
IC1
LM3578
7/6
5
R1
R2
R3
R10
R4
R5
C5
C6
TR2
C8
D4
TR3
C9
D3 -5V ST.BY
P24-3
P24-1
5V ST.BY
P4-1
5V ST.BY
5V ST.BY
5VA ST.BY
P1-6
P8-17
P2-3
P2-4
P9-18
P9-17
P9-11
-5V ST.BY
P2-10
P4-3
-5V ST.BY
5V
P4-10
P4-9
9V
P6-10
-9V
P6-
9
P24-10
9V
P24-9
-9V
P25-2
P25-1
-9V
9V
P2-2
P2-1
C2
C1
-35V
35V
D200
MAINS IN
P10-1
P10-2
TF1
F3
T1
F2
F4
F5
P12-4
P12-3
P12-2
P15-1
P15-2
P15-3
P15-4
P12-1
D1
C29
C30
P14-6
P14-3
-18V
18V
P13-1
P13-4
P13-6
P13-3
9V
-9V
IC1
LM317
IC2
LM337
9V
-9V
P14-1
P14-4
P18-10
P18-9
-9V
9V
P2-2
P2-1
P11-1
P1-1
P11-12
P1-12
SEE PCB 22 POWER
AMPLIFIER LEFT
20
TRANSFORMER LEFT
SWITCH MODE POWER SUPPLY
2
32
CROSS
FIELD
µC
36
35
DISPLAY,
KEYB.&IR
DC/DC
19
22
POWER AMPLIFIER
(LEFT)
LF POWER SUPPLY
31
21
TRANSFORMER RIGHT
POWER AMP.
(RIGHT)
22
-
+
10V
-
+
26V
AC
26V
AC
26V
AC
26V
AC
-
+
-
+
13V
AC
13V
AC
26V
AC
26V
AC
-9V
P16-2
9V
P16-1
Summary of Contents for BeoLab 3500 MKII 1601
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Page 24: ...Bang Olufsen DK 7600 Struer Denmark Phone 45 96 84 11 22 Fax 45 97 85 39 11 06 06 A...