SONY CDP-C450Z
Instrukcja Serwisowa

TEST MODE
[Fluorescent Indicator Tube Full Lighting and Key Check 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. 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. 1 2 3 4 5 6 7 8 9 10 >10

Button 06 32 31 30 29 28 27 00 01 02 03 04 05 34 33 36 37 44 43 41 42 14 13 12 11 10 09 19 20 17 16 15 21 22 23 24 25 26 18

Button number display

5. To exit the test mode, disconnect the power plug from the outlet.

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Count up display Button number display

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EDIT/TIME FADE PEAK SEARCH DISC CHECK EX-CHANGE DISC SKIP OPEN/CLOSE § )

[MAIN BOARD] (Conductor Side)

0 AMS ± AMS �
CN352

REPEAT CLEAR CHECK PROGRAM SHUFFLE CONTINUE DISC 1 DISC 2 DISC 3

GND

DISC 4 DISC 5 MUSIC CLIP A MUSIC CLIP B MUSIC CLIP C MUSIC CLIP D FILE ERASE TIME p �

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C316

IC302

TP2 AFJ

Fluorescent indicator fully lit. Even and odd numbers of music calendar light up alternately
1 7 11 17 13 19 3 9 15 16 5 6 12 18 2 8 14 20 4 10

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Alternate lighting on 7-segment display
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