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Model
CDP-EX880 CDP-MS717 DHC-EX880MD DHC-MD717
Pages
38
Size
3.93 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cdp-ex880-cdp-ms717-dhc-ex880md-dhc-md717.pdf
Date

Sony CDP-EX880 / CDP-MS717 / DHC-EX880MD / DHC-MD717 Service Manual ▷ View online

– 5 –
CD-TEXT TEST  DISC
This unit is able to display the test data (character information) written in the CD on its fluorescent indicator tube.
The CD-TEXT TEST DISC (TGCS-313:4-989-366-01) is used for checking the display.
To check, perform the following procedure.
Checking Method:
1. Turn ON the power, set the disc to the disc table 1 with the “test disc” label facing up, and chuck the disc.
2. Press the  
fl  button and play back the disc.
3. The following will be displayed on the fluorescent indicator tube.
Display : 1kHz/0 dB/ L&R
4. Rotating  
=  SELECTOR  +  knob, select the track. The text data of each track will be displayed.
For details of the displayed contents for each track, refer to “Table 1 : CD-TEXT TEST DISC TEXT Data Contents” and “Table 2 : CD-
TEXT TEST DISC Recorded Contents and Display”.
Restrictions in CD-TEXT Display
In this unit, some special characters will not be displayed properly. These will be displayed as a space or a character resembling it. For
details, refer to “Table 2 : CD-TEXT DISC Recorded Contents and Display”.
Table 1 : CD-TEXT TEST DISC TEXT Data Contents (TRACKS No. 1 to 41:Normal Characters)
1
1kHz/0dB/L&R
22
1kHz/-90dB/L&R
2
20Hz/0dB/L&R
23
Infinity Zero w/o emphasis//L&R
3
40Hz/0dB/L&R
24
Infinity Zero with emphasis//L&R
4
100Hz/0dB/L&R
25
400Hz+7kHz(4:1)/0dB/L&R
5
200Hz/0dB/L&R
26
400Hz+7kHz(4:1)/-10dB/L&R
6
500Hz/0dB/L&R
27
19kHz+20kHz(1:1)/0dB/L&R
7
1kHz/0dB/L&R
28
19kHz+20kHz(1:1)/-10dB/L&R
8
5kHz/0dB/L&R
29
100Hz/0dB/L*
9
7kHz/0dB/L&R
30
1kHz/0dB/L*
10
10kHz/0dB/L&R
31
10kHz/0dB/L*
11
16kHz/0dB/L&R
32
20kHz/0dB/L*
12
18kHz/0dB/L&R
33
100Hz/0dB/R*
13
20kHz/0dB/L&R
34
1kHz/0dB/R*
14
1kHz/0dB/L&R
35
10kHz/0dB/R*
15
1kHz/-1dB/L&R
36
20kHz/0dB/R*
16
1kHz/-3dB/L&R
37
100Hz  Squer Wave//L&R
17
1kHz/-6dB/L&R
38
1kHz  Squer Wave//L&R
18
1kHz/-10dB/L&R
39
1kHz  w/emphasis/-0.37dB/L&R
19
1kHz/-20dB/L&R
40
5kHz  w/emphasis/-4.53dB/L&R
20
1kHz/-60dB/L&R
41
16kHz  w/emphasis/-9.04dB/L&R
21
1kHz/-80dB/L&R
TRACK
No.
Displayed Contents
NOTE:
 The contents of Track No. 1 to 41 are the same as those of the current TEST DISC-their titles are displayed.
TRACK
No.
Displayed Contents
– 6 –
Table 2: CD-TEXT TEST DISC Recorded Contents and Display
(In this unit, some special characters cannot be displayed. This is no a fault.)
TRACK
No.
Recorded contents
´
*
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
to
99
! ” # $ % & ´
(21h to 27h)1kHz 0dB L&R
(  )
+ , – . /
(28h to 2Fh)
0 1 2 3 4 5 6 7
(30h to 37Fh)
8 9 : ; < = > ?
(38h to 3Fh)
@A B C D E F G
(40h to 47Fh)
H I J K L M N O
(48h to 4Fh)
P Q R S T U V W
(50h to 57Fh)
X Y Z [ ¥ ] ^ _
(58h to 5Fh)
a b c d e f g
(60h to 67Fh)
h i j k l m n o
(68h to 6Fh)
p q r s t u v w
(70h to 77Fh)
x y z { I }
(78h to 7Fh)
i ¢ £ ¤ ¥
§
(A0h to A7h) 8859-1
C
ª
¬
PR
(A8h to AFh)
±
2
3
µ
¶ •
(B0h to B7h)
1
º
¿
(B8h to BFh)
À Á Â Ã Ä Å ÆÇ
(C0h to C7Fh)
Ƞɠʠˠ̠͠ΠÏ
(C8h to CFh)
D Ñ Ò Ó Ô Õ Ö
(D0h to D7Fh)
ؠ٠ڠ۠ܠY
ß
(D8h to DFh)
à á â ã ä å æ ç
(E0h to E7Fh)
è é ê ë ì í î ï
(E8h to FFh)
ñ ò ó ô õ ö
÷
(F0h to F7Fh)
ø ù ú û ü y
ÿ
(F8h to FFFh)
No.66
No.67
  to
No.99
˙
~
1
4
1
2
3
4
Display
N All the same
N All the same
N All the same
N All the same
N All the same
N All the same
P Q R S T U V W (50h to 57h)
X Y Z [
] ^ _
(58····
  a b c d e f g
(60h to 67h)
N All the same
p q r s t u v w
(70h to 77h)
x y z { I }
(78····
(A0····
 All not displayed
        
  (A8····
 All not displayed
(B0····
 All not displayed
(B8····
 All not displayed
A A A A A A
C
(C0····
 
Æ 
is not displayed
E E E E I I I I
(C8
D N O O O O O
(D0····
 
 
is not displayed
O U U U U Y
(D8····
 
ß 
are not displayed
a a a a a a
c
(E0····
 
æ 
is not displayed
e e e e i i i i
(E8····
d n o o o o o
(F0····
 
÷
 
is not displayed
o u u  u u y
y
(F8····
 
 
is not displayed
N All the same
N All the same
to
N All the same
/
~
– 7 –
SECTION  2
GENERAL
LOCATION OF CONTROLS
1 SHUFFLE button
2 CONTINUE button
3 DISC SKIP button
4 REPEAT button
5 CD1-3 indicator
6 CD DISC TRAY
7 CD1-3 button
8 § button (The disc tray open/close)
9 SELECTOR (=/+) CONTROL
0 ENTER/YES button
!¡ MENU/NO button
!™ p button (Stop play)
!£ fl button
!¢ DISPLAY
!∞ 0 N button
) n button
!§ CLEAR button
!¶ DISPLAY button
!• PROGRAM button
– 8 –
CASE
FRONT  PANEL  SECTION
Note:
 Follow the disassembly procedure in the numerical order given.
SECTION  3
DISASSEMBLY
1
two screws
(case 3 TP2)
1
two screws
(case 3 TP2)
2
screw
(BVTT3 
×
 6)
3
case
3
claw
3
claw
3
claw
1
flat wire (17 core)
(CN351)
4
front panel section
2
three screws
(BVTT3 
×
 6)
Page of 38
Display

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