Sony PS-X7 - 4-3. SCHEMATIC DIAGRAM

4-3. SCHEMATIC DIAGRAM
(POWER SUPPLY/PLL BOARD]
\C2_MSMS8II
PHASE CONTROL
I
(7864320H2)
O
0301,302 IT40
FREQUENCY DIVIDER
Q302 2SC633A 303
LOWPASS FILTER
Ton
n3oi £302
22k% 10k nae
wey
Set
3345
Q201 2SC633A
BUFFER AMP
4
| PS-X6/X7
PS-X6/X7
(NEON LAMP BOARD]
Se) Pers) SEER UE
C108 DIOG SIBOI-06
OV RECT oe
ICi-2 yPC324C
LIMITER AMP
MGH
SPEED DETECTING
HEAD
TOUCH SWITCH
BOARD _
START/STOP|
Rt
10k
$5
( TOUC )
SwiTc
401,402
2SC633A
OC AMP
Q206
2SC633A
SWITCHING
R22I
10k
+ o
a a ew
Q104 2SA677
REG
ca A a =
1C1-3,4 pPC324C
bate ais (TRANSISTOR BOARD]
wi
100k
33
C205
38 tA)
100k
Q403,404 2SC633A
TRIGGER PULSE GENERATOR
Ra
94 9405,406 2SC633A
Q407 28Cl475
SOLENOID DRIVE
R218
33k
WM
R231
330k
@, 0210
~~ T6208
2
lev.
Q106 28C926A ——gig2 03 26C633A iol 2scigig9 pee
REG REG RECT
—~— + 1 a - 1 | 3 :
@, “HOE 3
iA R92 Gy Avio f.
: ° c> DI02. 3
R101 x E
ost os | Re) 9 dhggs
l6v Oo | oy eS
RVIO! ) | os
47k
5 105
we 7 o103~
C108. Cy) 04 03° -
4S a !
i400 “32000
jev =RI06 “Bev
1 0108(7) re
QI0S 2SA773
REG
renee
R234
39k
ANN
IC1-1 pPC324C
R236 39k
rea
a2ti,213 2sci4i9 |
Q212,214 25A755 | I
MOTOR DRIVE
M
WHEN ACTIVATING
|
SOLENOID, SOLENOID!
PUSHES CLAW OF
DRIVE GEAR
$3 (Ou Dia
PLAYK PLAY
R412_4.7k
—
Q4l7 Q418
2SC633A 2SC633A
SWITCHING POSITION OET
S4 RETURN
0401~403 1T40
$6 Q408,409 2SC633A Q411,412 2SC633A
LY Tout, START/STOP. FLIP-FLOP MOTOR DRIVE FLIP~FLOP
[=
Ra22
' 322k
02,
R3
o4og
|
424
4
2.8K
bi——_+14-+
1
01,2
SLP248
I
Q415,416 2SC633A iat
REPEAT FLIP-FLOP D406~409
_ rene —W-
R439 10K]
SONY-00830 / DRUCK 9
Q413,414 2SC633A
OC AMP
eae AMP/SYSTEM cONTROL
BOARD
OPERATION OF
oF oe TONEARM
DETECTING SHUTTER
fo} (Oren oN OF)
Q419,420 2SC633A
LAMP ORIVE
— 26
— TONEARM SECTION —
Note: :
e All capacitors are in uF unles<
SOWV or less are not indicate
e@ All resistors are in ohms, 4W
kQ= 10002, MQ = 1000 kQ
e All adjustable resistors have c
otherwise noted.
e fv: nonflammabie resist:
e -—AW4H : fusible resistor.
© [__] : panel designation.
@ Switch
RETURN
START
REPEAT
Note: The components id
safety. Replace c