Cd Test Mode - Aiwa XR-FD55 Service Manual

CD TEST MODE -1/1

1. Starting CD Test Mode
While pressing and holding down the CD FUNCTION button, insert the AC plug to outlet.
When test mode starts, the message, CD TEST appears on the display, and all indicators light.
2. Exiting CD Test Mode
Press the POWER button or remove the AC plug from outlet.
3. Function of CD Test Mode
No Mode Function Key
1 Start Mode
2 Search Mode STOP button
3 Play Mode PLAY/PAUSE
button
PLAY/PAUSE
4 Traverse Mode
button
5 Sled mode
FF button
RWD button
* 1 When Focus Search operates continuously more than 10 minutes, the protection circuit is activated due to heat generation of the driver IC.
In this case, turn off the power. After cooling down, restart the machine.
* 2 Be careful not to damage the gear because the sled motor rotates while the FF or RWD button is being pressed even if the pickup is located in
the innermost track or the outermost track.
.
Display
All indicators
All FL indicators light
light
LD constantly light
READING
Focus search continuous
Spindle motor continuous kick
Normal Normal playback
If TOC READ is unavailable,
focus search is continued.
CLV error is ignored.
Tracking servo OFF/ON
Normal
Each time PAUSE button is pressed, the
tracking servo repeats turning OFF/ON.
CD TEST PU moves to the innermost position.
At the same time, lens is kicked toward
outer position.
CD TEST PU moves to the outermost position.
At the same time, lens is kicked toward
outer position.
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Movement
movement *1
Check
FL check
Microcomputer check
APC circuit check
Laser current electricity measurement
Focus search waveform check
Focus error waveform check
Each servo circuit check
RF waveform check
Tracking balance check
Sled circuit check
Tracking circuit check
Mechanism movement check
PU check