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Pioneer DR-UA124X-2 Service Manual page 10

Cd-rom drive unit

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.
, - -
DR- UA124X- 2, DR- UA124X- 3
DR- UA124X- 5
®
®
®
C HI
®
CH2
®
®
®
CH
I
®
CH
2
®
®
®
CHI
®
CH
2
CH1
:
IC501-pin 22 (EC)
1
VI
div, 1
OmS/
div
CH2 : IC203
-
pin 7 (FGPU
5V
I
div, 1
OmS/
div
· X4 PLAY
---·---------·-
"Clil
1-.V
;
t
;
l . .
t
:
IU.L!
7f.
M l
.i _t.~~--t---
-f--
i"
.
.+..
f
CH1
:
IC501-pin 22 (EC)
1
VI div, 20mS/
div
CH2
: IC203-
pin 7 (FGPL)
5V
I
div,
20mS/
div
·
X4 SEARCH (FWD 20--+40
minute)
CH 1
:
IC501
-
pin 22 (EC)
1
VI div,
20mS
/
div
CH2 :
IC203-
pin 7 (FGPL)
5V
I
div, 20mS
/
div
X4 SEARCH
---- -------- -·..--
....
·-
'
..
,
;.~MtL
!
'
-··
~ ~-
:
l~v
·+-·-1
IC204 (T A2066F
)
IC30 I (TC9405F)
Pin
Voltage
Pin
Voltage
No.
(V)
No.
(V)
Pin
Voltage
Pin
No.
(V)
No.
I
0
13
2.5
I
1.7
16
2
0
14
2.1
2
5
17
3
178m
15
2.1
3
5
18
4
4.4
16
2.
1
4
5
19
5
2.1
17
2.1
5
0
20
6
2.1
18
2.
1
6
0
21
7
2.1
19
2.
1
7
0
22
8
2.1
20
2.1
8
0
23
9
0
2
1
0
9
0
24
10
2.1
22
2.1
10
0
25
II
4.2
23
5
II
0
26
12
4.2
24
0
12
5
27
13
0
28
14
-
29
15
-
30
14
@
CHI
CD
CH2
@
CHI
CD
CH2
Voltage
Pin
(V}
No.
5
31
0
32
-
33
-
34
-
35
-
36
-
37
5
38
5
39
5
40
-
41
5
42
2.1
43
2.1
44
0
45
CH1 : TE-TP
1 VI div, 20mS/ div
CH2
:
IC401 - pin 18 (SLOUT)
2V
I
div, 20mS/ div
·X4 SEARCH
(FWD
20--+40
minute)
CH1
: TE-TP
1
VI
div,
20mS/
div
CH2 : IC401 - pin 18 (SLOUT)
2V
I
div,
20mS/ div
·X4 SEARCH (REV 20--+40
minute)
CH1 : TE-TP
1 VI
div, 50mS/ div
CH2
:
IC401-pin
18
(SLOUT)
2V
I
div, 50mS/ div
·X4 SEARCH (FWD FULL STROKE)
Voltage
Pin
Voltage
Pin
Voltage
(V)
No.
(V)
No.
(V)
1.6
46
2.1
61
5
0
47
2.1
62
0
4.2
48
2.1
63
0
1.4
49
2.1
64
5
0
50
4.2
65
0
1.6
51
2.1
66
-
2.1
52
2.1
67
5
5
53
0
68
5
0
54
2.1
69
0
2.1
55
2.1
70
0
2.1
56
2.1
71
0
1.2
57
2.1
72
0
1
58
5
73
0
2.1
59
5
74
5
2.4
60
5
75
2.5
Pin
No.
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
@
CHI
CD
CH2
®
®
CHI
®
CH2
®
®
®
CH2
Voltage
(V)
0
5
2.5
-
0
0
-
-
-
-
5
0
5
5
5
CH1
:
TE
-
TP
1V/div, 50mS/div
CH2
:
IC401
-
pin 18
(SLOUT)
2V
I
div, 50mS/ div
·X4
SEARCH (REV
FULL
STROKE)
CH 1
:
IC501
-
pin
22 (EC)
1 VI div, 50mS/ div
CH2 :
IC203-
pin 7 (FGPL)
5V
I
div,
50mS/
div
·X4 SEARCH (FWD FULL
STROKE)
CH1
:
IC501-pin
22 (EC)
1 VI div,
50mS
/
div
CH2 :
IC203-
pin 7 (FGPL)
5V
I
div, 50mS
/
div
CH2
-GND
·X4 SEARCH (REV FULL STROKE)
Pin
Voltage
No.
(V)
91
0
92
5
93
-
94
0
95
-
96
-
97
5
98
5
99
5
100
5
c
(
(
(

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