Read Sharp CD-XP120H (serv.man4) Service Manual online
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CD-XP120H
TEST MODE
PLAY + DISC SKIP
test04
TIMER ON/OFF TEST MODE
FL DISPLAY:
STOP + DISC SKIP
test05
VFD DISPLAY WINDOW TEST MODE
FL DISPLAY:
VFD ALL LIGHT
FUNCTION:
TEST THE VFD DISPLAY WINDOW
PLAY + OPEN/CLOSE test08
OPEN/CLOSE & 3 DISC CHANGER AGING TEST
DISPLAY:
FUNCTION:
Enter the TEST MODE 8, MCU control the 3 DISC CHANGER OPEN/CLOSE.
After open finished, tray rotate 1 circle (360 degree). Then close, After close
finished, tray rotate 1 circle (360 degree) again.
After open finished, tray rotate 1 circle (360 degree). Then close, After close
finished, tray rotate 1 circle (360 degree) again.
Request:
Every period include 4 operation. Below is TIMING:
Enter test mode
CHANGER
Find the disc 1 position
open
delay 3S after open finish
rotate 1 circle
close
delay 3S after close finish
rotate 1 circle
CD-XP120H
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PLAY + VOLUME DOWN
test06
FRONT PANEL KEY TEST
FL DISPLAY:
FUNCTION:
FUNCTION:
FRONT PANEL KEY TEST MODE,IF ALL KEY HAVE BEEN PRESSED 1 TIME,
THEN
PRESS THE "POWER" KEY, VFD DISPLAY "OK".
PLAY + VOLUME UP
test03
VOLUME TEST MODE
FL DISPLAY:
1. TEST 3 DISPLAY 1 SECOND. THEN CHANGE TO CD FUNCTION.
2. IN CD FUNCTION (Pickup IN CHECK DISC1 SW TOC_IL No
DISC RECEIVE OPEN/CLOSE KEY OPEN RECEIVE
OPEN/CLOSE KEY CLOSE)
3. Can change to other function [TAPE/TUNER] FUNCTION KEY PROCESS
SAME AS NORMAL PROCESS.
4. In any function within this test mode VOLUME CONTROL HAS
3LEVEL [0/23/MAX] CANCEL VOL UP/DOWN CONTINUE PROCESS
FUNCTION.
PLAY + TUNER
test02
TUNER TEST MODE
FL DISPLAY
FUNCTION
STORE 10 PRESET TUNER IN THE MEMORY [AM/FM ST]
FM test use the BAND key change from FM ST.
Display
