Sharp CD-MD3000 (serv.man10) Service Manual ▷ View online
– 33 –
CD-MD3000H/CD-MD3000W
2. Soft reset
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.
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.
Table Character display for test mode 2
3. CD test mode (If this test mode is not activated, refer to CD troubleshooting on page 89.)
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.
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
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:
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.
"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.
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
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.
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
Character display
Item
Type
Auxiliary display
1
2
3
4
5
6
7
8
9 10
Auxiliary display
Note
(3) Step 3 mode
Performs focus search and turns on the focus servo.
Focus search is repeated until it is brought into focus.
Performs focus search and turns on the focus servo.
Focus search is repeated until it is brought into focus.
Display "T3___________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.
"FF/FWD" ........... While holding down this key, the pickup is moved outward.
"REW/REV" ........ While holding down this key, the pickup is moved inward.
"PLAY" ................ Jumping to step 4 when a focus is obtained. Otherwise, data entry is prohibited.
"STOP" ............... Returns to step 1.
"TAPE REC" ....... Jumps to step 5.
* You should return to step 1 if it is out of focus after bringing it into focus.
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.
"FF/FWD" ........... While holding down this key, the pickup is moved outward.
"REW/REV" ........ While holding down this key, the pickup is moved inward.
"PLAY" ................ Jumping to step 4 when a focus is obtained. Otherwise, data entry is prohibited.
"STOP" ............... Returns to step 1.
"TAPE REC" ....... Jumps to step 5.
* You should return to step 1 if it is out of focus after bringing it into focus.
CD-MD3000H/CD-MD3000W
– 34 –
(4) Step 4 mode
Rotate a disc.
Rotate a disc.
Displayed string: "T4___________0:00"
The clock display should always be "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.
"FF/FWD" ........... While holding down this key, the pickup is moved outward.
"REW/REV" ........ While holding down this key, the pickup is moved inward.
"PLAY" ................ Jumps to step 5.
"STOP" ............... Returns to step 1.
"TAPE REC" ....... Jumps to step 5.
* You should return to step 1 if it is out of focus.
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.
"FF/FWD" ........... While holding down this key, the pickup is moved outward.
"REW/REV" ........ While holding down this key, the pickup is moved inward.
"PLAY" ................ Jumps to step 5.
"STOP" ............... Returns to step 1.
"TAPE REC" ....... Jumps to step 5.
* You should return to step 1 if it is out of focus.
(5) Step 5 mode
Start playback. When the pickup reaches the outermost track, it does not stop. The LCD screen shows the replay time elapsed
as in the normal CD playback.
as in the normal CD playback.
Display "T5___________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" ................ Canceled.
"STOP" ............... Returns to step 1.
"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" ................ Canceled.
"STOP" ............... Returns to step 1.
* You should return to step 1 if it is out of focus.
Notes:
• In the test mode, TOC IL is not performed.
• Only the keys for adjusting the volume are accepted except the keys described.
• In the test mode, TOC IL is not performed.
• Only the keys for adjusting the volume are accepted except the keys described.
4. Tuner test frequency preset
Purpose:
To preset a test frequency for an in-factory test.
Function:
To preset each preset number to the band and frequency shown in Table 34 based on the initial setting for the
destination.
destination.
Operation:
To preset the band and frequency shown in the table below and turn the unit on with the following setting.
Function
Tuner
Band
FM monaural
Tuning mode
Preset call selection
Call preset number
Preset number 1 frequency
Band's last preset channel
See Table 34
X-BASS
Off
Preset equalizer
FLAT
For other functions, the value which was set when the unit was turned off last time is valid (last state).
To exit the test mode
After the frequency is preset and the set-up is done, the unit is turned on and normal operations start.
To exit the test mode
After the frequency is preset and the set-up is done, the unit is turned on and normal operations start.
1 %
FM 87.5 MHz
FM 87.5 MHz
2
FM 108.0 MHz
FM 108.0 MHz
3
FM
FM 90.0 MHz
FM 90.0 MHz
4
FM 106.0 MHz
FM 106.0 MHz
5
FM 98.0 MHz
FM 98.0 MHz
6 %
AM 522 kHz
AM 531 kHz
7
AM 1620 kHz
AM 1602 kHz
8
AM
AM 603 kHz
AM 603 kHz
9
AM 1404 kHz
AM 1404 kHz
10
AM 990 kHz
AM 990 kHz
11-40
Table 34. TEST-TuSet preset frequencies
Unused channels are indicated with "––".
"%" indicates the last channel for each band.
All FM bands are preset to FM monaural.
"%" indicates the last channel for each band.
All FM bands are preset to FM monaural.
BAND
CD-MD3000H
CH
CD-MD3000W
– 35 –
CD-MD3000H/CD-MD3000W
MD SECTION
Enter the test mode, adjust or set as shown in the following table according to the repair operations.
PICK replacement
HEAD replacement
MECHANISM
replacement
replacement
MAIN PWB
assembly replacement
assembly replacement
MD microcomputer
replacement
replacement
MD LSI replacement
RF IC replacement
EEPROM IC
replacement
replacement
TEMP
basic
setting
TEMP
Execution item
required
Repair
operations
number to and
" – " is an item that you don't have to execute.
The EEPROM writing result is shown at the end of the test mode
Although "SET" was written normally, it was not written in the "YOBI COMPLETE" state.
Peform "AUTO-YOBI" adjustment. After making a normal adjustment,
write the preliminary adjustment into the EEPROM.
OK_EEPROM: "SET" and "YOBI COMPLETE" were written normally
WR_EEPROM:
NG_EEPROM: "SET" could not be written.
indicate the order of inplementation.
Checking
EEPROM
setting
EEPROM_SET
AUTO-YOBI
adjustment
AUTO-
adjustment
AUTO-FAB
adjustment
AUTO–YOBI AUTO–ADJ AUTO–FAB TEST-CANCEL
Writing the
EEPROM
setting
TEST-CANCEL
Writing the
EEPROM
setting
TEST-PLAY
Operation check
TEST-REC
Check the connection between the MD microcomputer and the EEPROM.
1
1
1
1
1
1
1
2
2
2
1
2
2
3
3
3
2
3
3
4
4
4
3
4
4
5
5
5
4
2
5
5
6
6
6
5
3
6
6
7
7
7
8
9
6
5
8
1
8
9
9
9
4
7
7
8
8
8
5Pin extension flat cable
QCNWK0109AFZZ
2Pin extension connector
QCNWK0129AFZZ
QCNWK0129AFZZ
MD MAIN PWB
6Pin extension flat cable
QCNWK0130AFZZ
28Pin extension flat cable
QCNWK0108AFZZ
Extension PWB for service
(RUNTK0532AFZZ)
Fit the extension PWB for service to the mechanism
From Optical
Pickup Unit
Pickup Unit
From Magnetic Head
From mechanism
switch PWB
switch PWB
Extension Cable
Type
1
Extension PWB for servicing
RUNTK0532AFZZ
2
Extension Connector (2 Pin)
QCNWK0129AFZZ
3
Extension Cable (6 Pin)
QCNWK0130AFZZ
4
Extension Cable (5 Pin)
QCNWK0109AFZZ
5
Extension Cable (28 Pin)
QCNWK0108AFZZ
Part No.
Figure 35
CD-MD3000H/CD-MD3000W
– 36 –
[POWER]
O
O
___
Single press Turning on/off the power of the set.
When the power of the set is in the on state, it is
turned off; when it is in the off state, it is turned on.
turned off; when it is in the off state, it is turned on.
[EQ]
O
O
B 2 h
Single press Test mode menu feed. To the servo adjustment
mode (Feed of the menu for the adjustment and
EEPROM)
EEPROM)
[X-BASS]
O
O
B 4 h
Single press Test mode menu feed. To the recording mode
(Feed of the menu mainly for the continuous
playback and continuous recording)
playback and continuous recording)
[PLAY]
O
O
F 2 h
Single press Test mode menu feed. To other modes
(Feed of the menu of the INNER mode,
JUMP SELECT, etc.)
JUMP SELECT, etc.)
[REV PLAY]
O
O
A 8 h
Single press Menu reverse feed in each mode.
(Effective in each test mode)
[TAPE REC]
O
O
A 2 h
Single press Decision of the menu select or start of its execution.
[STOP]
O
O
A 7 h
Single press Cancellation of each test item and transition to the
menu select of one higher order
[FF/CUE]
O
O
A A h
Single press 1) Outer periphery feed of the slide motor (FWD).
Continuous Continued outer periphery feed
press
Continuous Continued outer periphery feed
press
2) Execution of JUMP
3) Address set value UP
Others
3) Address set value UP
Others
[REW/REV]
O
O
A C h
Single press 1) Inner periphery feed of the slide motor (REV).
Continuous Continued inner periphery feed
press
Continuous Continued inner periphery feed
press
2) Execution of JUMP
3) Address set value DOWN
Others
3) Address set value DOWN
Others
[JOG UP]
O
F 3 h
___
1) Forced UNLOAD feed of a disc
2) Adjustment value +1
2) Adjustment value +1
[JOG DOWN]
O
F 4 h
___
1) Forced LOAD feed of a disc
2) Adjustment value -1
2) Adjustment value -1
[DISP/CHARACTER] O
O
F 5 h
Single press 1) Laser switching in the EJECT mode
2) Display switching during continuous playback
Others
Others
[MENU]
O
O
1 F h + D 1 h
Single press To the operation mode without auto adjustment
[LOADING SW]
O
B 5 h
___
Execution of normal loading operation
[MD EJECT]
O
B 3 h
Single press Execution of normal eject operation
Operation/Input table for MD test mode 1
Button/Remoto
control input
Main unit
Function
Remoto
control
Transmission
command
to MD
Pressing
time
1. Preparation for adjustment
Test disc
Type
Test disc
Part No.
1
High reflection disc TGYS1 (SONY) [for Playback]
RRCDT0101AFZZ
2
Low reflection disc
Recording minidisc
––––––––––––
SONY 80 minutes disc is recommended.(example:PRISM 80)
3
Head Adjusting transparent
RRCDT0103AFZZ
4
Low reflection disc
Pre-adjustment disc [TEAC Test MD]
88GMMD-318 or
88GMMD-213AS
88GMMD-213AS
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