Sony PS-LX520 Service Manual page 13

Stereo turntable system
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4-2.
SCHEMATIC
DIAGRAM
PS-LX520
PS-LX520
.
QUARTZ
LOCK LED
START LED
ON: 0.2
OFF 24.2
START/
STOP
0201
1SS202
REVERSE CURRENT
PREVENTION
Qi0!
2S01266
MOTOR DRIVER
POWER SWITCH
(0.46 sec}
£0.34 sec>
TRANSISTOR
BOARD
a ine
feel
HZ7A2L
REVERSE CURRENT
PREVENTION
R246
ra
Rae C206 C207
1/50V_1/50V
10
11
12
13
14
15
16
880,302
if
ee
7
cs
aL SE022
ALEDIB) BOARD] ALED(A) BOARD]
St,
7
Ms2i8L
ARM UP :0,2
ARM DOWN :0,2
0209
ail
2s0414
bTci4
MOTOR DRIVER
ARM
SWITCHING
+
45
| ao)
Q210
214
2SB731
pTci24
MOTOR DRIVER
UP/DOWN
SWITCHING
HI, H2
292458
REGULATOR
(FG BOARD(1/3)}
TURN TABLE
-
wowRr
|!
/ Q102, 103
/ 2801388
| MOTOR DRIVER
33rpm . 3
(0.46sec }
<0,34sec>
33rpm: 2.4
45rpm:— 2.1
Cus
2.2/50V
fof
Lees
(0.46sec)
<0. 34sec>
-5.8
Q
Qu?
DIO! 102
106,107
QUI , III
Qua
Quiz
Q108, 109
28C2458
Mc93i
NM Omvp—p
25004
2sc2458
28C2458
252458
2sBI014
SWITCHING
RECTIFIER
i
———
MOTOR DRIVER——
REGULATOR
MOTOR DRIVER
[FG BOARD(I/3))_
(FG BOARD(1/3)]
<=

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