Error Message - Yamaha CDC-775 Service Manual

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CDC-775

ERROR MESSAGE

When stopped by any cause, press "STOP" of the remote control while pressing and holding the "STOP"
on the panel key. The operation mode turns to the mode allowing the display of messages.
(The error messages are cleared with the power off.)
Error Messages List
ERROR
MESSAGE
E — X 0
Data cannot be read after finishing search.
E — X 1
Data cannot be read during PLAY (x = 0), PAUSE (x = 3) or SCAN (x = 2).
E — 7 1
At the start, tracking servo is not effective.
E — 7 2
At the start, spindle servo PLL is not effective.
E — 7 3
At the start, data can never read.
E — X 4
Close switch does not work with tray closed.
E — X 5
Open switch does not work with tray open.
E — X 6
Table does not turn.
E — X 7
Traverse (Feed) inner circumference switch does not work.
E — X 8
Recovery action fails after focus drop.
E — X 9
Clamp down switch does not work with clamp down.
E — X A
Clamp up switch does not work with clamp up.
E r r
MN35511 does not give response of SENSE, with resetting by the unit's
microcomputer.
1) Error Code Troubleshooting
X0 , X1 , 73 .....
Error codes
Is disc dirty or
scratched?
NO
Pick-up position
Within disc range
Pick-up defective, Spindle system
defective. (Motor fails to run, etc.)
X4 , X5
Error codes
Does tray
operate when
OPEN/CLOSE key is
pressed?
NO
Motor defective.
Control IC (IC400) defective.
Microcomputer defective.
13
DESCRIPTION
Data cannot be read.
YES
Check by using
another disc.
TRACKING servo
defective.
Outermost
FEED servo
(on mirror
surface)
defective.
................ Poor tray loading
operation.
SW401 detection poor.
YES
Microcomputer defective.
* Meaning of each state ("X") :
(X = 0)PLAY
(X = 2)SCAN
(X = 3)PAUSE
(X = 4)PEAK SEARCH
(X = 5)SEARCH
(X = 6)DISC SCAN
(X = 7)START
(X = 8)STOP
(X = 9)DISC SEARCH
(X = –)EJECT
(X = C) ........... NO DISC
X6 ........................
Error code
NO
Does tray rotate in
TEST mode?
DISC
SKIP
YES
Tray sensor defective.
Microcomputer defective.
X7 ..........
Error code
FEED operation defective.
(Limit switch fails)
Is forced feed
YES
operation available
in TEST
Y ...Outward
mode?
T ...Inward
NO
FEED servo defective.
Microcomputer defective.
Poor table rotation.
Motor defective.
Drive circuit defective.
Microcomputer defective.
Feed limit switch
defective.
Microcomputer
defective.

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