Sony CMT-L7HD / HCD-L7HD Service Manual ▷ View online
25
HCD-L7HD
PRECAUTION DURING GEAR (RT) ASSY, GEAR (KT), GEAR (S2) INSTALLATION
gear (KT)
gear (RT) assy
gear (RT) assy
torsion spring (M)
gear (S2)
gear (S2)
pulley (LDG2)
lever (ST)
cam (A)
Confirm that the gear (S2) mark is located
in between the gear (RT) assy marks.
in between the gear (RT) assy marks.
Rotate the pulley (LDG2) until it reaches the position
where the cam (A) contacts with the lever (ST).
where the cam (A) contacts with the lever (ST).
Install the gear (KT) and position it so that the boss
that is closest to the inside is located at the 9 o'clock position.
that is closest to the inside is located at the 9 o'clock position.
The boss that is closest to the inside
Install the gear (RT) assy so that the two bosses are aligned
in between the torsion spring (M).
Install the gear (S2) so that its hole is located at the 9 o'clock position.
in between the torsion spring (M).
Install the gear (S2) so that its hole is located at the 9 o'clock position.
26
HCD-L7HD
[Key Check Mode]
* Keyboard check.
Procedure:
1.
Procedure:
1.
Press the ?/1 button to turn the set ON.
2.
To enter the test mode, press three buttons DISPLAY , NX
(CD) and > simultaneously.
(CD) and > simultaneously.
3.
In the key check mode, the fluorescent indicator displays
“KEY00”. Each time a button is pressed, “KEY00” value
increases. However, once a button is pressed, it is no longer
taken into account.
“KEY00”. Each time a button is pressed, “KEY00” value
increases. However, once a button is pressed, it is no longer
taken into account.
4.
To exit from this mode, press three buttons DISPLAY , NX
(CD) and > simultaneously.
(CD) and > simultaneously.
[Version Display Mode]
* The version or destination is displayed.
Procedure:
1.
Procedure:
1.
Press the ?/1 button to turn the set ON.
2.
To enter the test mode, press three buttons DISPLAY , VOL+
and VOL– simultaneously.
and VOL– simultaneously.
3.
The model name and destination are displayed on the upper
line. The STR version is displayed on the lower line.
line. The STR version is displayed on the lower line.
4.
Press the DISPLAY button again. The CD version is displayed.
5.
Every pressing of the DISPLAY button displays the versin of
MMI, SH or USB.
MMI, SH or USB.
6.
Press the DISPLAY button. The STR version is displayed
again.
again.
7.
To exit from this mode, press the ?/1 button to turn off the set.
[FL Tube Test Mode]
* All fluorescent segments are tested.
Procedure:
1.
Procedure:
1.
Press the ?/1 button to turn the set ON.
2.
To enter the test mode, press three buttons DISPLAY , NX (CD)
and VOL– simultaneously.
and VOL– simultaneously.
3.
All segments are turned on.
4.
Press the DISPLAY button. All segments are turned off.
5.
Press the DISPLAY button. Confirm the pattern of segments.
6.
Press the DISPLAY button. Confirm the pattern of segments.
7.
Every pressing of the DISPLAY button turns on each segment
one after another in the same order.
one after another in the same order.
8.
To exit from this mode, press the ?/1 button to turn off the set.
[Amp Test Mode]
* Combinatin of preset equalizer and volume is changed for the
amplifier test.
Procedure:
1.
amplifier test.
Procedure:
1.
Press the ?/1 button to turn the set ON.
2.
To enter the test mode, press three buttons . , NX (CD)
and > simultaneously.
and > simultaneously.
3.
Press the DISPLAY and NX (CD) buttons simultaneouslly.
4.
The message “7[TESTMIN]” appears.
5.
Press the DISPLAY and NX (CD) buttons simultaneously.
6.
The message “8[TESTMID]” appears.
7.
The messages “9[TESTMAX]”, “10[TESTSUR]”, “7[TESTMIN]”,
, , are changed by every pressing of the DISPLAY and NX
(CD) buttons simultaneously.
, , are changed by every pressing of the DISPLAY and NX
(CD) buttons simultaneously.
8.
Volume level is changeable at three steps as “VOLUME MIN”,
“VOLUME 21”, “VOLUME MAX” by pressing VOL+ or
VOL– button.
“VOLUME 21”, “VOLUME MAX” by pressing VOL+ or
VOL– button.
9.
In this test mode, the tuning mode is set to the preset mode.
10. To exit from this mode, press the ?/1 button to turn off the set.
[Forced Reset]
* All micro-processors are forced to reset at the same time.
Procedure:
1.
Procedure:
1.
Press the ?/1 button to turn the set ON.
2.
Press three buttons DISPLAY , TUNER/BAND and
FUNCTION simultaneously.
FUNCTION simultaneously.
3.
The fluorescent indicator tube displays the message “COLD
RESET” and the set is reset. Then the set is turned off.
RESET” and the set is reset. Then the set is turned off.
[CD Ship Position]
Procedure:
1.
1.
Press the ?/1 button to turn the set ON.
2.
Press the FUNCTION button for the setting CD.
3.
Press three buttons . , VOL+ and VOL– simultaneously.
4.
The fluorescent indicator tube displays the message “COLD
RESET” and CD is set to the shipment position. Then the set is
turned off.
RESET” and CD is set to the shipment position. Then the set is
turned off.
[Aging Mode]
Procedure:
1.
1.
Press the ?/1 button to turn the set ON.
2.
Insert the disc.
3.
Select the FUNCTION to CD.
4.
To enter the test mode, press three buttons . , TUNER/BAND
and Z simultaneously.
and Z simultaneously.
5.
Aging operation starts automatically.
6.
The CD cover opens ,closes and the first track is played. Then
the last track is played.
the last track is played.
7.
The CD cover opens again, and the message “AGIN00000001”
is displayed. This value is cycle times of aging operation and
displays hexadecimal data.
is displayed. This value is cycle times of aging operation and
displays hexadecimal data.
8.
The cover closes and aging operation is continued.
9.
To exit from this mode, press the ?/1 button to turn off the set.
[Loading Mechanism Lock]
Procedure:
1.
1.
Press the ?/1 button to turn the set ON.
2.
Press two buttons of x (CD)and Z simultaneously for five
seconds.
seconds.
3.
The message “LOCKED” is displayed and the loading
mechanism is locked. (Even if exiting from this mode, the
loading mechanism is still locked.)
mechanism is locked. (Even if exiting from this mode, the
loading mechanism is still locked.)
4.
Press two buttons of x (CD) and Z simultaneously for five
seconds again.
seconds again.
5.
The message “UNLOCKED” is displayed and the loading
mechanism is unlocked.
mechanism is unlocked.
6.
To exit from this mode, press the ?/1 button to turn the set off.
PROGRAM
HISTORY
SEARCH
HIGHLIGHT
TRACK
ALBUM
CD TEXT
L
OVER
R
L
OVER
R
TUNED
MONO
REP
REC
L
F
P
1 L-SYNC
STEREO
AUTO
MANUAL
PRESET
DISC DSG
ALL
SHUFFLE
DAILY
SLEEP
REC 1 2 3
c
1 ALBUM
AUTO
HIGH
STORAGE
LIBRARY
PROGRAM
HISTORY
HIGHLIGHT
TRACK
ALBUM
L
R
TUNED
MONO
REC
F
1
AUTO
DISC
1 3
c
1
HIGH
STORAGE
LIBRARY
SEARCH
CD TEXT
OVER
REP
L
P
L-SYNC
STEREO
MANUAL
PRESET
DSG
ALL
SHUFFLE
DAILY
SLEEP
REC 2
ALBUM
AUTO
SECTION 4
TEST MODE
27
HCD-L7HD
[Error History Display Mode]
Procedure:
Setting Method of Test Mode
1.
Setting Method of Test Mode
1.
Press the ?/1 button to turn the set ON.
2.
Select the FUNCTION to CD.
3.
To enter the test mode, press three buttons . , VOL+ and
> simultaneously.
> simultaneously.
4.
Confirm to display “dvt ERR CODE”.
5.
Press the Z button.
Releasing Method of Test Mode
1.
1.
Press the x (CD) button to display “dvt ERR CODE”.
2.
Press the x (CD) button.
Menu Selection of Error History Display Mode
1.
1.
Select the operation in the menu by pressing the . or >
button.
button.
2.
Press the Z button. The menu is selected. If returning to the
menu again, press the x (CD) button.
menu again, press the x (CD) button.
Display of Times of Error
* Number of times of mechanism error and no disc error is displayed
in hexadecimal.
* Number of times of mechanism error and no disc error is displayed
in hexadecimal.
DISPLAY : “ Emc=**Edc=## “
**
**
: number of times of mechanism error (hexadecimal)
##
: number of times of no disc error (hexadecimal)
Display of Mechanism Error History
1.
1.
Select the operation in the menu by pressing the . or >
button to display “dvt ECODE MEC”.
button to display “dvt ECODE MEC”.
2.
Press the Z button.
3.
Select the mechanism error code by pressing the . or >
button.
button.
DISPLAY : “ E**M##%%000000 “
**
: order of mechanism error happens (hexadecimal)
00 : the newest error
09 : the error ten times before
09 : the error ten times before
##
: completion of an initialization (hexadecimal)
ff : completion
others : not completed
others : not completed
%%
: condition of CDM operation when the trouble happened
(hexadecimal)
00 : during an initialization
1x : during opening (x : not fixed)
16 to 19 : during a kick by falure of opening
2x : completion of opening
28 : completion of opening under the condition of no disc
3x : during close request
4x : during open request
5x : during closing
6x : during chucking
80 : during releasing
9x : during operation of BU down
ax : during operation of shutter opening or closing
b0 : during BU up request
c0 : during BU down request
dx : during operation of BU up
1x : during opening (x : not fixed)
16 to 19 : during a kick by falure of opening
2x : completion of opening
28 : completion of opening under the condition of no disc
3x : during close request
4x : during open request
5x : during closing
6x : during chucking
80 : during releasing
9x : during operation of BU down
ax : during operation of shutter opening or closing
b0 : during BU up request
c0 : during BU down request
dx : during operation of BU up
000000 : fixed
Reset of Mechanism Error History
1.
1.
Select the operation in the menu by pressing the . or >
button to display “dvt ECONT0 MEC”.
button to display “dvt ECONT0 MEC”.
2.
Press the NX (CD) button. Mechanism error history is reset.
Display of No Disc Error History
1.
1.
Select the operation in the menu by pressing the . or >
button to display “dvt ECODE BU”.
button to display “dvt ECODE BU”.
2.
Press the Z button.
3.
Select the no disc code by pressing the . or > button.
DISPLAY : “ E**D##%%@@&& “
**
**
: order of no disc happens (hexadecimal)
00 : the newest
09 : ten times before
09 : ten times before
##
: description of the trouble (hexadecimal)
01 : focus NG
02 : GFS NG
03 : time-over of starting
04 : continuous unlock of focus
05 : no input of Q-codes in fixed time
02 : GFS NG
03 : time-over of starting
04 : continuous unlock of focus
05 : no input of Q-codes in fixed time
%% : condition when the trouble happened (hexadecimal)
01 : during shipment position processing
02 : during power off processing
03 : during processing of initialization
04 : during stop condition
05 : during stop processing
06 : during process of starting
07 : during process of TOC reading
08 : during search operation
09 : during playback
0a : during pause
0b : during playback manual searching
0c : during pause manual searching
02 : during power off processing
03 : during processing of initialization
04 : during stop condition
05 : during stop processing
06 : during process of starting
07 : during process of TOC reading
08 : during search operation
09 : during playback
0a : during pause
0b : during playback manual searching
0c : during pause manual searching
@@ : do not care
&& : rotating speed of a disc when the trouble happened
&& : rotating speed of a disc when the trouble happened
(hexadecimal)
01 : x1
02 : x2 (double speed)
03 : x4
01 : x1
02 : x2 (double speed)
03 : x4
DISPLAY OF TIMES OF ERROR
DISPLAY OF MECHANISM ERROR HISTORY
RESET OF MECHANISM ERROR HISTORY
RESET OF NO DISC ERROR HISTORY
DISPLAY OF NO DISC ERROR HISTORY
RESET OF ERROR HISTORY
" Emc=**Edc=## "
" dvt ECODE MEC "
" dvt ECNT0 MEC "
" dvt ECNT0 ALL "
" dvt ECNT0 BU "
" dvt ECODE BU "
28
HCD-L7HD
Reset of No Disc Error History
1.
1.
Select the operation in the menu by pressing the . or >
button to display “dvt ECONT0 BU”.
button to display “dvt ECONT0 BU”.
2.
Press the NX (CD) button. No disc error history is reset.
Reset of Error History
1.
1.
Select the operation in the menu by pressing the . or >
button to display “dvt ECONT0 ALL”.
button to display “dvt ECONT0 ALL”.
2.
Press the NX (CD) button. Error history is reset.
[Servo Test Mode]
*Error Rate Display
Procedure:
Setting Method of Test Mode
1.
Procedure:
Setting Method of Test Mode
1.
Press the ?/1 button to turn the set ON.
2.
Insert the disc.
3.
Select the FUNCTION to CD.
4.
Press the NX (CD) button to play the CD.
5.
To enter the test mode, press three buttons DISPLAY , VOL+
and FUNCTION simultaneously.
and FUNCTION simultaneously.
6.
Press the . or > button to display “dvt ERR RATE”.
7.
Press the Z button.
Description of Error Rate
Releasing Method of Test Mode
1.
1.
Press the x (CD) button to display “dvt ERR RATE”.
2.
Press three buttons DISPLAY , VOL+ and FUNCTION
simultaneously.
simultaneously.
[CD Repeat 5 Times Limit Release Mode]
Procedure:
Setting Method of Test Mode
1.
Setting Method of Test Mode
1.
Press the ?/1 button to turn the set ON.
2.
Select the FUNCTION to CD.
3.
Press three buttons Z , VOLUME + and . simulta-
neously.
neously.
4.
The message “dvt REP LMT” is displayed.
5.
Press the Z button.
Releasing Method of Test Mode
1.
1.
Press the x (CD) button to display “dvt REP LMT”
2.
Press the x (CD) button.
Selection of Repeat 5 Times Limit ON/OFF
1.
1.
Press the . or > button to display “REP LMT ON” or
“REP LMT OFF”.
“REP LMT OFF”.
2.
Press the x (CD)button to select ON or OFF and “dvt REP
LMT” is displayed.
LMT” is displayed.
" ****####%%@@&& "
C1
C2
TNO MIN SEC
HD SECTION
[HD Test Mode]
Procedure:
1.
1.
Press the x (CD), x (HD) and FUNCTION simultaneously.
2.
The message “Format?” is displayed.
3.
Select the menu by rotating the ALBUM dial.
4.
Press the > button to execute the HD test.
HD Test Menu
Display
Function
Format?
Formatting the HD
Flash Init?
Initialization of Flash
Read Test?
Sector read test of the HD
Write Test?
Sector write test of the HD
R/W Test?
Sector write/read and verify test of the HD
Smart?
Display of S.M.A.R.T. status
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