Philips MC-M350/21 Service Manual page 56

TAPE HEAD SWITCHING IC
BA3126N
Block diagram
Internal circuit configuration
10-2
IC BLOCK DIAGRAM
TDA7468
TDA7468 INTERNAL BLOCK DIAGRAM
TDA7468
7 8
27
VOLUME I
1
POWER SUR.
SUPPLY
LEFT
28
3
4
SOURCE
5
SELECTOR
6
2
23
24
VOLUME I
25
SUR.
RIGHT
26
22 21
10-2
9 10 11
VOLUME II
TREBLE BASS
LEFT
LEFT LEFT
BASS ALC
LOGIC
IIC BUS
REC
VOLUME II
TREBLE BASS
RIGHT RIGHT RIGHT
20 19 18
12
16
14
15
13
17