Sony Walkman WM-FX488 Service Manual page 16

WM-FX488
QQ
3 7 63 1515 0
IC601 MM1279XVBE
V
1
PW 2
W
3
GND 4
MOTIVE
OSC 5
/OSC
DR 6
INVERTER
BIAS
VREF
7
REFERENCE
VOLTAGE
START
8
VSP 9
10
IN+
TE
L 13942296513
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.
16
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MOTIVE
CONTROL
CIRCUIT
MOTIVE
LOGIC SWITCH
SPEED CURRENT
CONTROL CONTROL
+
x ao
y
i
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8
20 PV
19 U
PRE
DRIVER
PU
18
17 GND
VCC
16
FC
15
SOFT
TC1
14
13 TC2
R1
OUTPUT 12
BIAS
11 OUT
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9