Sony Walkman WM-FX495, Service Manual

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16
WM-FX495
IC601 MM1279XVBE
+
11
13
14
15
16
17
18
20
1
2
3
4
5
6
7
8
9
10
19
12
PRE
DRIVER
SOFT
SWITCH
MOTIVE
LOGIC
MOTIVE
/OSC
BIAS
REFERENCE
VOLTAGE
MOTIVE
CONTROL
CIRCUIT
INVERTER
SPEED
CONTROL
CURRENT
CONTROL
OUTPUT
BIAS
PV
V
PW
W
GND
OSC
DR
VREF
START
VSP
IN+
U
PU
GND
VCC
FC
TC1
TC2
R1
OUT
IC301 TA2160FN (EL)
12
13 14
19
15 8 9 10
PRE OUT B
BST SW
PW INA
PW NFB
PW INB
PW MUTE
PRE MUTE
AGC DET
PW GND
PW NFA
1 4
2 3 5 6
PRE NFB PRE NFA
PRE OUT A
VREF
PRE GND
7
RF & REF
BST SW
AGC DET
AGC
18 17
16
20
LPF
VREF IN BSF NF IN B
IN A
RF IN BASE
BST OUT PW INC AGC IN OUT A OUT C OUT B VCC RF OUT
30 29 27 28 23 24 25 26 22 21
11
PRE B
PRE A
BST
PW A PW B
PW C