Read Sony CDP-C450Z / CDP-CE505 Service Manual online
— 5 —
TEST MODE
[Fluorescent Indicator Tube Full Lighting and Key Check
Mode]
Mode]
1. Connect the test point TP2 (AFJ) of the main board to GND.
2. Turn on the power switch.
3. The fluorescent indicator tubes will light up fully.
4. Set the key check mode by pressing any button.
2. Turn on the power switch.
3. The fluorescent indicator tubes will light up fully.
4. Set the key check mode by pressing any button.
In the key check mode, each time a button is pressed, the count
up display will count up. However, the display will not count up
for buttons that have already been pressed once.
The number of the button pressed will be displayed in the indicator,
only while the button is being pressed.
up display will count up. However, the display will not count up
for buttons that have already been pressed once.
The number of the button pressed will be displayed in the indicator,
only while the button is being pressed.
5. To exit the test mode, disconnect the power plug from the outlet.
n
n
Count up display
88
8888
88
Button number display
Button number display
Button
1
06
2
32
3
31
4
30
5
29
6
28
7
27
8
00
9
01
10
02
>10
03
EDIT/TIME FADE
04
PEAK SEARCH
05
DISC CHECK
34
EX-CHANGE
33
DISC SKIP
36
OPEN/CLOSE
§
37
)
44
0
43
AMS
±
41
AMS
≠
42
REPEAT
14
CLEAR
13
CHECK
12
PROGRAM
11
SHUFFLE
10
CONTINUE
09
DISC 1
19
DISC 2
20
DISC 3
17
DISC 4
16
DISC 5
15
MUSIC CLIP A
21
MUSIC CLIP B
22
MUSIC CLIP C
23
MUSIC CLIP D
24
FILE
25
ERASE
26
TIME
18
p
Fluorescent indicator fully lit.
∏
Even and odd numbers of music
calendar light up alternately
calendar light up alternately
1
3
5
7
9
11
13
15
17
19
2
4
6
8
10
12
14
16
18
20
·
Alternate lighting on 7-segment
display
display
8
8 8 8
˜8
8 8 8
[
[
[
[
[
[
[
[
[MAIN BOARD] (Conductor Side)
GND
CN352
C316
IC302
TP2
AFJ
AFJ
Click on the first or last page to see other CDP-C450Z / CDP-CE505 service manuals if exist.