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Pioneer DR-UA124X-2 Service Manual page 8

Cd-rom drive unit

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DR- UA124X- 2, DR- UA124X- 3
DR- UA124X- 5
2
3.2 MOTHE_R BOARD ASSY(1/2) AND INSW UNIT
1
A
-
B
-
c
-
D
I
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u
Cf)
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Cf)
' >-
~
<l:
o._
INSW UNIT (DWSl
246)
,--------------1
S4i~~~K-S
CN
201
522r.17-1e.q0
GND
VREF
V+SA
::::>
VF
l
~~t-t------------~
t5
AC
TT
+
IUt-t----1~----~
0::
AC
TF
+
l6
~!-t----4--~-~
ACTF-
I09t-+----4~--+-~
ACTT-l ~~t-t-~---l-t---t--1-+--'
LIN
;;;
I
&l
DRCT
!
~~~~~~~r--~~1--~--1-~~~~~i-;J
VREF
I NSW
CN151
(2/2)
9047B-43Z01
F101
VTH1 033
y.,.50
V+SA
L
104
100'3
POWER[ :
+12V
11
I
I
MOTHER BOARD
Sc
·H-2
ASSY
( 1/2),
INSW UNIT
.._
______________
.....
1
I
2
.
~
N
v
V+
SA
V
+
SA
V+SA
VREF
I
3
V+5A
(
..
SCH-3)
TCo.F
I
4
MOTHER
BOARD
ASSY
(
1
/
2)
(DWX1
574)
I
5
. .
:
RF
&
AUDIO SIGNAL
ROUTE
COFS
SPOA
SPCK
SBSY
SFSY
DATA
6
I
A
•r=-
_
-::::::
: :::::::::::::::::::::::::::::::::::::::::::::::::::_-_
- ::
: :::::::::::::::::::::::::
: :
: :::::::::::::::::::==========
= -=-=-=-=-~::-
;;z;
r----::::======-:----v:;:o.-------~V:;;;;:E~F-------------1--1--1--l--l--l----+-+-I=====================
C2PO
VREF
C239
4
7/b.
3
OCH1074
~T:i
~T:i
u
'
151
u
'
151
VREF
VREF
.Jr'r'=~"'-------------~
:::J
(-+
SCH
-
3)
SLT
P
I
VREF
SPINDLE
MOTOR
ASSY-S
(
.. SCH-1
)
!SPINDLE
DR
IVEi
V+SA
3
I
V
EF
V+S
(
..
SCH-3)
V+
2
V+SA
4
I
(
..
SCH-3)
MUTE
5
V+SA
0&01
DTA
1
2 4EU
CG0B
10/£.
3
V
+
1
2
G
D
LRCK
AOUT
BCK
(
..
SCH -3)
HEA
D PHONE JACK
.JA60
1
OKN1
123
O
T
U•••
PHONES
B
c
D
MOTHER BOARD
I
I
ASSY (1
/
2),
SCH-2
INSW
UNIT
________________
.....
I
6
I
(
-
(
(

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