Ic Block Diagrams - Sony WM-FX671 Service Manual

6-5. IC BLOCK DIAGRAMS

IC1 TA7371AF-EL
8 7 6 5
REG OSC
RF MIX
1 2 3 4
V
PW
W
GND
OSC
DR
VREF
START
VSP
IN+ 10
IC2
N.C. 37
38
REF
V REF 39
GND 40
41
REV REC L
REV REC R 42
FWD REC R 43
44
FWD REC L
VCC2 45
MONITOR L 46
MONITOR R 47
N.C. 48
IC302 NJM2185AV-TE2
1
2
MOTIVE
3
CONTROL
4
CIRCUIT
MOTIVE/
5 MOTIVE
OSC
LOGIC
6
BIAS
7
SPEED
REFERENCE
CONTROL
8
VOLTAGE
INVERTER
9
–
+
TA2022AFN-EL
36 35 34 33 32 31
SYSTEM CONTROL
VCC2
V REF
REV
REC
AMP
FWD
REC
AMP
MONITOR
AMP
MIC
REC BIAS REGULATOR
REGULATOR
1 2 3 4 5 6
PRE DRIVER
SOFT SWITCH
CURRENT
CONTROL
OUTPUT
BIAS
— 25 —
30 29 28 27 26 25
ALC
AMP
L
ALC
AMP
R
DET
7 8 9 10 11 12
20 PV
19 U
18 PU
17 GND
16 VCC
15 FC
14 TC1
13 TC2
12 R1
11 OUT
24 GND
23
MIC IN L
NF L
22
21 RADIO IN L
20
MIC IN R
19 NF R
18 RADIO IN R
17
MIC OUT R
16 MIC OUT L
15 REC IN L
14 REC IN R
13 N.C.