CD-RW5000 (serv.man9). Test mode - Sharp Audio Service Manual (repair manual). Page 2

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The unit returns to the normal operation through reset entry.

In the destination display, a destination code is displayed. For the span display, "9" means 9 kHz/50 kHz, and "10" means 10/
100 kHz.

Purpose:     To initialize the unit.
Function:     To initialize all functions.
Operation:   "ALL CLEAR" is displayed, all functions are initialized, and the unit is turned on.

To exit the test mode

When the initialization through soft reset is complete, the unit is turned on.

In the CD test mode, each step can be performed even if the LID-SW is off. However, if you cannot obtain a focus in step
3 or if other kind of error handling starts, you cannot proceed to the following steps. In error handling, press the POWER key
to exit the test mode, or press the STOP key to prohibit operations other than returning to step 1.

(1) Step 1 mode
In the CD test mode, the following display appears, CD initialization is performed, and you are prompted for data.
Reset operation display / Operation
"CD_TEST"
After lighting up for one second

"T1___________0:00"

The keys you can press here and the resulting operations are as follows:

"POWER" ........... The test mode is turned off, the power is turned off, and the unit is placed in the normal stand-by mode.
"FWD" ................ While holding down this key, the pickup moves outward after returning to the innermost track.
"REV" ................. While holding down this key, the pickup moves inward after returning to the innermost track.
"PLAY" ............... Jumps to step 2.
"STOP" ............... Cancelled.
"TAPE REC" ...... Jumps to step 5.

*  While the pickup is moving to the innermost track in the initialization, none of the keys except POWER is accepted. When PU-

IN SW ON cannot be detected in ten seconds, the unit stops the slide motor and shows the following error code. Then, you
can press the POWER key to exit the test mode, or the STOP key to return to step 1. You cannot perform other operations.

"E--CD01"

(2) Step 2 mode
   When the "PLAY" key is pressed in the above mode, the laser is turned on. At this time, another operation must not be

performed.

Display          "T2___________0:00"

The keys you can press here and the resulting operations are as follows:
"POWER" ........... The test mode is turned off, the power is turned off, and the unit is placed in the normal stand-by mode.
"FWD" ................. While holding down this key, the pickup is moved outward.
"REV" .................. While holding down this key, the pickup is moved inward.
"PLAY" ................ Jumps to step 2.
"STOP" ............... Returns to step 1.
"TAPE REC" ....... Jumps to step 5.

Reset operation

Operation

A

L

L

C

L

E

A

R

display

Test mode name

I

N

I

T

I

A

L

Set-Up Complete

Function

F

I

N

I

S

H