Ic Block Diagrams - Sony MDR-RF450 Service Manual

IC BLOCK DIAGRAMS

r
IC301 CXA1611N-T4
24 23 22
1 2 3
IC302 LA4533M
POWER
1
P/SW
SWITCH
2 AMP1
IN1
BIAS
PRE GND 3
AMP2
4
IN2
REF 5
21 20 19 18
FM•IF TUNING
DISCRI METER
DETUNE
DET
AM•IF
DET•AGC
4 5 6 7
MUTE
10 MT/SW
CIRCIUT
9 OUT1
8 POWER GND
7
OUT2
6 VCC
SECTION 3
DIAGRAMS
17 16 15 14
RIPPLE
REGULATOR
FILTER
AM•FE
FM•FE
8 9 10 11
– 6 –
13
12