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MEX-1HD
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124
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Service Manual
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Car Audio
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Sony MEX-1HD Service Manual ▷ View online

21
MEX-1HD
SECTION  5
TEST  MODE
Ver 1.2
Note:
The test mode of this set contains the items not used for the
service. If you activated another mode by mistake, press the func-
tion button 1 or the 
[M]
 (Menu) button to deactivate that mode.
Particularly, for the menu commands and Factory Setting saved
in the HDD menu, never execute them except when the hard
disk drive was replaced. Otherwise, the hard disk drive will not
operate or the data saved by the user in the hard disk will be
erased.
[ENTERING THE TEST  MODE]
1. In the standby state, perform the following operation.
(1) Rotate clockwise the right jog dial (PUSH LIST) 4 clicks.
(2) Press the left jog button (PUSH SOUND).
(3) Rotate counterclockwise the right jog dial (PUSH LIST) 5
clicks.
(4) Press the left jog button (PUSH SOUND).
(5) Rotate clockwise the right jog dial (PUSH LIST) 1 click.
(6) Press the left jog button (PUSH SOUND) for more than 2
seconds.
2. When the test mode is activated, a peep will be heard and the
“TEST MODE” will be displayed on the screen. (“TEST
MODE” disappears soon)
3. Press the 
[M]
  (Menu) button, and the test mode main menu
screen will be displayed.
[RELEASING THE TEST  MODE]
To release the test mode, perform either of the following opera-
tions.
• Turn the main power off.
• Remove the front panel.
• Press the 
[OFF]
 button for more than 2 seconds.
Note:
In exiting the test mode, the system is reset automatically and the
data are erased. Then, when the power is turned on again, the ini-
tial setting (AM 9K/10K step choice, date and time setting) screen
is displayed, but this setting is also erased in certain time after the
main power was turned off.
Accordingly, re-setting is not necessary but normal operation and
the test mode operation are disabled unless the initial setting has
completed. In such a case, therefore, press the right jog button
(PUSH LIST) repeatedly and enter tentative initial set values.
[BASIC OPERATION]
In the test mode, basically the following dial and buttons are used
for the operation.
• Right jog dial (PUSH LIST)
: Selects an item.
• Right jog button (PUSH LIST) : Enters the selected item.
• Function button 1
: Returns to the one-level high-
er menu
[DIAGNOSTIC FUNCTION]
Procedure:
1. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST), and press the right jog
button (PUSH LIST) to enter the Test Mode.
2. Rotate the right jog dial (PUSH LIST) to select the “DIAG”,
and press the right jog button (PUSH LIST) to enter the DIAG
mode.
3. With the “ALL -Auto-” selected, pressing the right jog button
(PUSH LIST) allows all of the following items to be checked
automatically.
• PEACOCK (MAIN board IC2003)
• HUMMING BIRD (MAIN board IC3003)
• ISP1161 (MAIN board IC4301)
• CXD1859 (MAIN board IC4001)
• E2PROM (MAIN board IC4002) *1
• ATA0 (HDD) (Hard disk drive) *2
•  ATA1 (CDD) (CD servo block)
• WM (USB connection) *3
• RTC (SUB board IC502)
*1) A checking without inserting a memory stick causes an
error, and the “E2PROM NO MS” is displayed.
*2) If the ATA0 (HDD) check results in NG, try to repeat the
check several times.
If repetitional check results in NG, a communication er-
ror is doubtful, besides faulty hard disk drive.
*3) A checking without connecting the USB causes an error,
and the “NWWM NG!” is displayed.
4. After automatic check of all items completed, if all items are
OK, “OK ALL” will be displayed. In case of erroneous items,
NG indication is given to respective erroneous items.
5. To return to the DIAG menu, press the left jog button (PUSH
SOUND).
[VERSION DISPLAY]
Besides the version display for the users in normal mode, the ver-
sion of each section of the system is displayed.
Procedure:
1. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST), and press the right jog
button (PUSH LIST) to enter the Test Mode.
2. Rotate the right jog dial (PUSH LIST) to select the “Version”,
and press the right jog button (PUSH LIST) to enter the Ver-
sion mode.
3. With the “Version” mode activated, pressing the right jog but-
ton (PUSH LIST) allows the following versions to be displayed:
• Main (version of main section)
• Sub (version of sub section)
• CD (version of CD servo section)
[Making CD-R For Service]
At the replacement of parts, this set may require jobs such as ver-
sion updating of the main section and sub section and data install-
ing to a HDD, and for these jobs, the CD-R for service is needed.
Make the CD-R for service by downloading the data from the “ftp”
server for service. The data to be downloaded are available with
two types, for initial lot type and for upgraded type, and further as
regards the upgraded type, the latest version at that time must be
confirmed, thus requiring extreme care. (See table “The version
of each section”  on page 22)
Note on making CD-R:
The file format should be ISSO9660.
Store all files in the ROOT directory.
22
MEX-1HD
Ver 1.2
[VERSION UP AFTER MICROCOMPUTER SOFT-
WARE RELATED PARTS REPLACEMENT]
If either of the following ICs was replaced with new one, the part
supplied for repair contains old version programs, and thus the
version of microcomputer software must be updated.
1) Main section (when IC1030 was replaced)*
1-1. MAIN board replacement
1-2. Flash memory (IC1030 on the MAIN board) replacement
2) Sub section (when IC501 was replaced)
2-1. SUB board replacement
2-2. Microcomputer (IC501 on the SUB board) replacement
3) CD servo section (when IC9 was replaced)
3-1. SERVO board replacement
3-2. Flash memory (IC9 on the SERVO board) replacement
*) If the flash memory (IC1030 on the MAIN board) or MAIN
board was replaced, the work including the system ID setting
is required, besides this work described here. For details, see
“Relating with ID” in the next paragraph, after the completion
of this work.
Procedure:
• Check the versions
1. After replacing the parts, turn the power on and enter the test
mode. (Refer to page 21 “Entering The Test Mode”)
2. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST), and press the right jog
button (PUSH LIST) to enter the Test Mode.
3. Rotate the right jog dial (PUSH LIST) to select the “Version”,
and press the right jog button (PUSH LIST) to enter the Ver-
sion mode.
4. Rotate the right jog dial (PUSH LIST) to select the “Version”,
and press the right jog button (PUSH LIST) to display the ver-
sion of each section (main, sub, CD servo)
5. Update the version in each section by referring to the opera-
tion for version up, if each version is not as listed below.
The version of each section:
Section
Initial Lot type
User Upgrade type
Main
1.00.05
2.03.0D *
Sub
1.00.02
1.00.0D *
CD servo
0.03.60
0.03.60 *
*) There are several kinds of versions in the upgraded type (CDDB
compatible), and this table lists the latest version as of the end
of May in 2003.
The latest version may be updated after this Service Manual
was issued, and therefore make sure the latest version by re-
ferring to the Technical News issued at the version updating.
(1) Main Section
Note (for User Upgrade type only):
The version updating work must be performed without connecting
the HDD, if only the flash memory (IC1030 on MAIN board) or the
MAIN board is replaced without replacing the HDD at the same time.
In this case, perform the version updating work with the flat cable
between CN2001 on MAIN board and HDD disconnected, and after
the version updating completed, reconnect it.
1. Chech the version of CD-R for service and insert the disc to
the set.
2. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST), and press the right jog
button (PUSH LIST) to enter the Test Mode.
3. Rotate the right jog dial (PUSH LIST) to select the “Version”,
and press the right jog button (PUSH LIST) to enter the Ver-
sion mode.
4. Rotate the right jog dial (PUSH LIST) to select the “Version
Up”, and press the right jog button (PUSH LIST) to enter the
Version Up mode.
5. Rotate the right jog dial (PUSH LIST) to select the “Main”,
and press the right jog button (PUSH LIST) to display the
present version information of main section.
6. Press the function button 1 (“UPDATE”) to display confirma-
tion screen of start the processing.
7. Rotate the right jog dial (PUSH LIST) to select the “OK”, and
press the right jog button (PUSH LIST) to start the process-
ing.
(process time: about 14 minutes)
8. Upon completion of the processing, the “Update is Finished”
will be displayed.
9. The version displayed at this time is the one before version
up, and therefore turn off the main power to exit the Test mode
once, and then enter the Test mode again to check the version.
10. Perform the work including the ID setting by referring to “Re-
lating with ID” in the next paragraph.
(2) Sub Section
1. Chech the version of CD-R for service and insert the disc to
the set.
2. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST), and press the right jog
button (PUSH LIST) to enter the Test Mode.
3. Rotate the right jog dial (PUSH LIST) to select the “Version”,
and press the right jog button (PUSH LIST) to enter the Ver-
sion mode.
4. Rotate the right jog dial (PUSH LIST) to select the “Super
Version Up”, and press the right jog button (PUSH LIST) to
enter the Super Version Up mode.
5. Rotate the right jog dial (PUSH LIST) to select the “Sub”, and
press the right jog button (PUSH LIST) to display the present
version information of sub section.
6. Press the function button 1 (“UPDATE”) to display confirma-
tion screen of start the processing.
7. Rotate the right jog dial (PUSH LIST) to select the “OK”, and
press the right jog button (PUSH LIST) to start the process-
ing.
(process time: about 4 minutes)
8. Upon completion of the processing, the “Update is Finished”
will be displayed, and then will be release the test mode auto-
matically.
9. Enter the test mode again, and check the version.
(3) CD Servo Section
Note:
The version updating of the CD servo section is performed not
from the CD-R but from the Memory Stick. Download the
“CMX550D.MOT” from the “ftp” server for service and store
it in the ROOT directory of the Memory Stick for use.
1. Insert the memory stick for service to the set.
2. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST), and press the right jog
button (PUSH LIST) to enter the Test Mode.
3. Rotate the right jog dial (PUSH LIST) to select the “Version”,
and press the right jog button (PUSH LIST) to enter the Ver-
sion mode.
4. Rotate the right jog dial (PUSH LIST) to select the “Version
Up”, and press the right jog button (PUSH LIST) to enter the
Version Up mode.
5. Rotate the right jog dial (PUSH LIST) to select the “CD Drive”,
and press the right jog button (PUSH LIST) to display the
present version information of CD servo section.
23
MEX-1HD
Ver 1.2
6. Press the function button 1 (“UPDATE”) to display confirma-
tion screen of start the processing.
7. Rotate the right jog dial (PUSH LIST) to select the “OK”, and
press the right jog button (PUSH LIST) to start the process-
ing.
(process time: about 15 seconds)
8. Upon completion of the processing, the “Update is Finished”
will be displayed.
9. The version displayed at this time is the one before version
up, and therefore turn off the main power to exit the Test mode
once, and then enter the Test mode again to check the version.
[RELATING WITH ID]
This set relates the main block (flash memory) and the HDD (hard
disk drive) with a unique ID to protect the copyright.
If the MAIN board or flash memory (IC1030 on MAIN board)
and HDD were replaced, the relationship between flash memory
and HDD is lost, thus causing the HDD to fail. Therefore, the ID
relational work is required.
Perform the work by proper methods, since the work required var-
ies as follows depending on the parts to be replaced.
1) When the MAIN board or flash memory (IC1030 on the
MAIN board) and HDD were replaced at the same time
2) When the only MAIN board or flash memory (IC1030
on the MAIN board) was replaced
3) When the only HDD was replaced
Note:
The CD-R for service used when installing the data to the
hard disk must have same version as that of the set. Before
starting the work, be sure to check the version of the set and
the CD-R for service. (See “Making CD-R for service” on
page 21 and “Check the versions” on page 22)
1) When The MAIN Board or Flash Memory (IC1030
on The MAIN Board) and HDD Were Replaced at
The Same Time
Note:
Executing this operation without replacing the hard disk drive
causes the user data to be erased. Accordingly, do not execute
this operation by mistake.
When the MAIN board or flash memory (IC1030 on the MAIN
board) and HDD were replaced at the same time, the processing
such as system ID setting and formatting are required. After the
MAIN board or flash memory (IC1030 on the MAIN board) and
HDD replacement, be sure to execute all of the following steps.
1. MAIN board or flash memory (IC1030 on the MAIN
board) and HDD replacement
r
2. Version up of flash memory
(Refer to page 22 “Version Up After Microcomputer Soft-
ware Related Parts Replacement)
r
3. The date and time setting
r
4. HDD formatting
r
5. ID creating and copy to the HDD
r
6. Data installing to the HDD
r
7. Operation check
r
8. The Factory Setting
Procedure:
• The date and time setting
1. After replacing the parts and version up of flash memory, turn
the power on and press the 
[M]
 (MENU) button.
2. The menu screen is displayed when the date and time setting
screen is not displayed automatically, select the “Setup” and
press the right jog button (PUSH LIST) to enter the Setup mode.
3. Set the present year, month, day, hour, minute in this order
with the right jog dial and button (PUSH LIST), and finally
press the right jog button (PUSH LIST), and the date and time
display screen (standby screen) will appear, and thus the date
and time setting is over.
Right jog dial (PUSH LIST)
: Change numeric value
Right jog button (PUSH LIST) : Enter the set numeric value,
and select next item or ter-
minate the setting
Function button 1
: Return to previous item
• HDD formatting
1. Enter the test mode. (Refer to page 21 “Entering The Test
Mode”)
2. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST), and press the right jog
button (PUSH LIST) to enter the Test Mode.
3. Rotate the right jog dial (PUSH LIST) to select the “HDD”,
and press the right jog button (PUSH LIST) to enter the HDD
mode.
4. Rotate the right jog dial (PUSH LIST) to select the “FOR-
MAT”, and press the right jog button (PUSH LIST) to enter
the FORMAT mode.
5. With the Format mode activated, press the right jog button
(PUSH LIST), and the “HDD-FORMAT hddDbInit...” will be
displayed and then the HDD formatting will start soon.
6. Upon successful completion of HDD formatting, “HDD-FOR-
MAT OK” will be displayed. Then, press the right jog button
(PUSH LIST) to return to the FORMAT menu, and further
press the function button 1 to return to the HDD menu.
• ID creating and copy to the HDD
1. Select the “ID” from the HDD menu by rotating the right jog
dial (PUSH LIST), and press the right jog button (PUSH LIST)
to enter the ID mode.
2. Rotate the right jog dial (PUSH LIST) to select the “CRE-
ATE”, and press the right jog button (PUSH LIST) to enter the
ID CREATE mode.
3. Rotate the right jog dial (PUSH LIST) to select the “(OK)”,
and press the right jog button (PUSH LIST) to execute ID cre-
ating of the system ID.
4. Upon completion of ID creating, if the “ID-CREATE OK” or
“ID-CREATE NG” is displayed. (Even if “NG” is displayed,
there is no problem and proceed to the next step as it is)
5. Select the “COPY” from the ID menu by rotating the right jog
dial (PUSH LIST), and press the right jog button (PUSH LIST)
to enter the ID COPY mode.
6. Rotate the right jog dial (PUSH LIST) to select the “(OK)”,
and press the right jog button (PUSH LIST) to execute ID copy
to the HDD of the system ID.
7. Upon successful completion of ID copy, if the “ID-COPY OK”
is displayed, release the test mode. (Power off)
• Data installing to the HDD
1. When the power is turned on, the initial setting screen is dis-
played. Press the right jog button (PUSH LIST) button repeat-
edly until tentative setting completed.
Note:
Exact date and time need not be set.
2. Chech the version of CD-R for service and insert the disc to
the set.
24
MEX-1HD
Ver 1.2
3. Again in the test mode, select the “Test Mode” from the test
mode main menu by rotating the right jog dial (PUSH LIST)
and press the right jog button (PUSH LIST) to enter the Test
Mode.
4. Rotate the right jog dial (PUSH LIST) to select the “IN-
STALL”, and press the right jog button (PUSH LIST) to enter
the INSTALL mode.
5. Rotate the right jog dial (PUSH LIST) to select the “ALL(U)”,
and press the right jog button (PUSH LIST), and the “IN-
STALL-ALL(U) “ will be displayed and the installation will
start soon.
(process time: about 10 seconds (Initial Lot type), about 30
minutes (User Upgrade type))
6. Upon successful completion of installation, the “INSTALL-
ALL(U) OK” will be displayed, and then remove the CD-R
for service and release the test mode. (Power off)
• Operation check
1. Turn the power on again, and the initial setting screen will be
displayed. Then, press the right jog button (PUSH LIST) but-
ton repeatedly until tentative setting completed.
Note:
Exact date and time need not be set.
2. In the normal mode, insert a music CD and press the 
[SOURCE]
button to play.
3. Press the 
[    REC]
 button, rotate the right jog dial (PUSH
LIST) to select the third item (musical note mark), and press
the right jog button (PUSH LIST).
4. Press the function button 2 (ALL) to cancel the selection of all
tracks. (A check mark on the right side of track number will
disappear)
5. With the track number 1 selected, press the right jog button
(PUSH LIST). (A check mark will be displayed on the right
side of track number 1 only)
6. Press the 
[    REC]
 button to start the recording.
7. Upon completion of the recording, a peep will be heard and
the 
[    REC]
 button will change its color from red to blue.
8. Press the 
[SOURCE]
 button to start the play of HDD. Check
that the HDD is played back normally.
• Factory Setting
Note:
The “Factory Setting” command deletes the data recorded on the
hard disk. Only if the hard disk drive was replaced, execute this
command to erase the data for operation check before returning the
set to the customer.
1. Remove the CD and press the 
[OFF]
  button to activate the
standby state, and then enter the test mode.
2. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST) and press the right jog
button (PUSH LIST) to enter the Test Mode.
3. Rotate the right jog dial (PUSH LIST) to select the “Factory
Setting”, and press the right jog button (PUSH LIST) to start
the processing.
4. Upon completion of all of the processing, “Factory Setting-
OK” will be displayed, and then the system will be reset and
will restart automatically.
z
z
z
2) When The Only MAIN Board or Flash Memory
(IC1030 on The MAIN Board) Was Replaced
When the MAIN board or flash memory (IC1030 on the MAIN
board) was replaced, the processing such as system ID setting is
required. After the MAIN board or flash memory (IC1030 on the
MAIN board) replacement, be sure to execute all of the following
steps.
1. MAIN board or flash memory (IC1030 on the MAIN
board) replacement
r
2. Version up of flash memory *
(Refer to page 22 “Version Up After Microcomputer Soft-
ware Related Parts Replacement)
r
3. The date and time setting
r
4. ID creating and copy to the HDD
r
5. Operation check
*
 (for User Upgrade type only):
The version updating work must be performed without connecting
the HDD, if only the flash memory (IC1030 on MAIN board) or the
MAIN board is replaced without replacing the HDD at the same time.
In this case, perform the version updating work with the flat cable
between CN2001 on MAIN board and HDD disconnected, and after
the version updating completed, reconnect it.
Procedure:
• The date and time setting
1. After replacing the parts and version up of flash memory, turn
the power on and press the 
[M]
 (MENU) button.
2. The menu screen is displayed when the date and time setting
screen is not displayed automatically, select the “Setup” and
press the right jog button (PUSH LIST) to enter the Setup mode.
3. Set the year, month, day, hour, minute in this order with the
right jog dial and button (PUSH LIST), and finally press the
right jog button (PUSH LIST), and the date and time display
screen (standby screen) will appear, and thus the date and time
setting is over.
Right jog dial (PUSH LIST)
: Change numeric value
Right jog button (PUSH LIST) : Enter the set numeric value,
and select next item or ter-
minate the setting
Function button 1
: Return to previous item
• ID creating and copy to the HDD
1. Enter the test mode. (Refer to page 21 “Entering The Test
Mode”)
2. Select the “Test Mode” from the test mode main menu by ro-
tating the right jog dial (PUSH LIST), and press the right jog
button (PUSH LIST) to enter the Test Mode.
3. Rotate the right jog dial (PUSH LIST) to select the “HDD”,
and press the right jog button (PUSH LIST) to enter the HDD
mode.
4. Rotate the right jog dial (PUSH LIST) to select the “ID”, and
press the right jog button (PUSH LIST) to enter the ID mode.
5. Rotate the right jog dial (PUSH LIST) to select the “CRE-
ATE”, and press the right jog button (PUSH LIST) to enter the
ID CREATE mode.
6. Rotate the right jog dial (PUSH LIST) to select the “(OK)”,
and press the right jog button (PUSH LIST) to execute ID cre-
ating of the system ID.
7. Upon completion of ID creating, if the “ID-CREATE OK” or
“ID-CREATE NG” is displayed. (Even if “NG” is displayed,
there is no problem and proceed to the next step as it is)
8. Select the “COPY” from the ID menu by rotating the right jog
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