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PD-T503
SCHEMATIC
DIAGRAM
SERVO MECHANISM
ASSEMBLY
PYY1091 (1/2)
.
PICK-UP ASSEMBLY
_PWY1009
i
i
6.
1. RESISTORS :
Indicated
in 9, 1/6W,
+5%
tolerance
unless otherwise
noted
H
k;kQ,M;MQ,
(F);+1%,
(G);
2%, (K);+10%,
(M);
20%
:
tolerance,
=
2. CAPACITORS:
A
Indicated in capacity (uF) /voltage (V) unless otherwise noted
Pp; pF.
Indication without voltage is 50V except electrolytic capacitor.
FOCUS
cont
3.
VOLTAGE
CURRENT :
TO ;: DC voltage (V) at play state.
mA
; DC current at play state.
—®
NEAR
=
Value in (
) is DC current at stop state.
i
o
4. OTHERS :
3
= : Signal route.
|
importance
of the safety
factor
of the part. Therefore, when
replacing, be sure
to use
parts
of identical
designation.
3 marked
capacitor and resistors
have parts numbers.
This is the basic schematic diagram, but the actual circuit may
vary due to improvements
in design.
5. SWITCHES (Underline indicates switch position)
Main
board
assembly
St:
TEST
MAIN BOARD ASSEMBLY
PWZ1565
1c4
CXA1081S
[5]
d
ee
a
cts
FOK
|
33/16
COMPARATOR
CENTER
VOLTAGE
BUFFER
RFI-v
AMP(1)
RF SUMMING
AMP
VRE
22k
Focus
OFFSET
®
MIRROR
DIFFERENTIAL
AMP
MIRROR.
SS
COMPARATOR
MIRROR
HOLD AMP
1c3
CXD11300Z
DECODER
(fe
SCOR)
Ic3
24
23 BIT
SHIFT
DETECTOR
PROTECTOR
INSERTER
2
SUB CODE
DEMODULATOR
EFM
DEMODULATOR E>
=
| REGISTER |
ante
+5V
22
23_j2z0
|26
APTL.
o)
CRCF
SQEx
SUB CODE
@ REGISTOR
veo CIRCUIT
TIMING
GENERATOR
aoa
|
Control
board assembly
$201: DISC | OPEN/CLOSE
eed
$202: DISC Il OPEN/CLOSE
ran
Lees
B
$203: 44 MANUAL SEARCH
221:
3
1C6(PD'4184) terminal voltages.
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b>» MANUAL SEARCH
S222:
4
pe Poe!
Ke TRACK SEARCH
$223: 5
:
bel TRACK SEARCH
$224:
6
S588
> PLAY
$225: 7
Cet
HI PAUSE
S226:
8
TRACKING & B16
TIME
$227: 9
Aenea
i
REPEAT
$228: 10
1
Bc10,
"fa
'
AUTO EJECT
$229: EDIT
za
PROGRAM
SW board assembly
Soe
<i
| de
=
RANDOM PLAY
$601: U
Ry
[ST
ace of
=
2
DISC | SELECT
$602: §
Ky
2SA1399
a
:
DISC 1 SELECT
$603: L
[
[1
Lp amp
a
@ STOP
Transformer
board
assembly
-
8
220
$301: POWER
ON-OFF
:
I
+10
Outside of P. C. board assembly
i
1
$101: INSIDE
ON-OFF
{
2
-
2
(4)
(TP=4)
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.
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TER
OTG1
CONTROL
BOARD
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PWZ1571
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