DOWNLOAD Sony CMT-L1 / HCD-L1 Service Manual ↓ Size: 11.88 MB | Pages: 68 in PDF or view online for FREE

Model
CMT-L1 HCD-L1
Pages
68
Size
11.88 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-l1-hcd-l1.pdf
Date

Sony CMT-L1 / HCD-L1 Service Manual ▷ View online

17
HCD-L1
3-17. Base Unit (BU-31BD63A)
3-18. Holder Assy, Sled Motor Assy
5
base unit
     (BU-31BD)
2
screw
     (+PTPWH M2.6)
cam
shaft
SPT pulley assy
shaft
1
1
4
3
Rotate the SPT pulley assy in the direction of       to move the Base unit shaft 
forward.
(BLK)
9
two screws
     (+PTPWH M2.6)
8
screw
     (+PTPWH M2.6)
qs
screw
     (+P 2
 
×
 3)
qd
sled motor assy
q;
hook
qa
base unit
holder assy
6
tension coil spring (holder)
7
tension coil spring (holder)
5
BD board
1
Remove solder
     (two portions ).
2
Remove solder
     (two portions ).
4
flxible board
3
screw
     (+BTP 2
 
×
 8)
(RED)
18
HCD-L1
3-19. RTR Pulley Assy
3-20. SPT Pulley Assy
3
RTR pulley assy
RTR pulley assy
1
claw
2
2
Disengage the claw and rotate the RTR pulley assy in the direction of      , and 
remove your hands at the position where the shaft agrees with the hole shape on the 
chassis. 
2
SPT pulley assy
SPT pulley assy
1
1
When installing, align the protruded portion of the KT gear with groove of the SPT 
pulley assy.
Rotate the SPT pulley assy in the direction of      , and remove your hands  
at the position where the shaft agrees with the hole shape on the chassis. 
19
HCD-L1
[Key Check Mode]
* Keyboard check.
Procedure:
1.
Press the  ?/1  button to turn the set ON.
2.
To enter the test mode, press three buttons  DISPLAY  ,  NX
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.
4.
To exit from this mode,  press three buttons  DISPLAY  ,  NX
and  >  simultaneously.
[Version Display Mode]
* The version or destination is displayed.
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.
3.
The model name and destination are displayed.
4.
Press the  DISPLAY  button. The STR version is displayed.
5.
Press the  DISPLAY  button again. The CD version is displayed.
6.
Press the  DISPLAY  button. The model name and destination
are displayed 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.
Press the  ?/1  button to turn the set ON.
2.
To enter the test mode, press three buttons  DISPLAY  ,  NX
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.
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.
Press the  ?/1  button to turn the set ON.
2.
To enter the test mode, press three buttons  .  ,  NX  and
>  simultaneously.
3.
The message “7[TESTMIN]” appears.
4.
Press the  DISPLAY  and  NX  buttons simultaneously.
5.
The message “8[TESTMID]” appears.
6.
The messages “9[TESTMAX]”, “10[TESTSUR]”, “7[TESTMIN]”,
, ,  are changed by every pressing of the  DISPLAY  and  NX
buttons simultaneously.
7.
Volume level is changeable at three steps as “VOLUME MIN”,
“VOLUME 21”, “VOLUME MAX” by pressing  VOL+  or
VOL–  button.
8.
In this test mode, the tuning mode is set to the preset mode.
9.
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.
Press the  ?/1  button to turn the set ON.
2.
Press three buttons  DISPLAY , TUNER/BAND  and
FUNCTION  simultaneously.
3.
The fluorescent indicator tube displays the message “COLD
RESET” and the set is reset. Then the set is turned off.
[CD Ship Position]
Procedure:
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
“STANDBY” and CD is set to the shipment position. Then the
set is turned off.
[Aging Mode]
Procedure:
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 OPEN  simultaneously.
5.
Aging operation starts automatically.
6.
The CD cover opens ,closes and the first track is played. Then
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.
8.
The cover closes and aging operation is continued.
9.
To exit from this mode, press the  ?/1  button to turn off the set.
PROGRAM REP
TEXT
TRACK TUNED
MONO
1
DISC
STEREO
AUTO PRESET
DSG
SHUFFLE
DAILY
SLEEP
c
REP
TEXT
TRACK
STEREO
AUTO
DSG
SHUFFLE
DAILY
PROGRAM TUNED
MONO
1
DISC
PRESET
SLEEP
c
SECTION 4
TEST MODE
20
HCD-L1
[Error History Display Mode]
Procedure:
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.
4.
Confirm to display “dvt ERR CODE”.
5.
Press the  Z OPEN  button.
Releasing Method of Test Mode
1.
Press the  x  button to display  “dvt ERR CODE”.
2.
Press the  x  button.
Menu Selection of Error History Display Mode
1.
Select the operation in the menu by pressing the  .  or  >
button.
2.
Press the  Z OPEN  button. The menu is selected. If returning
to the menu again, press the  x  button.
Display of Times of Error
* 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.
Select the operation in the menu by pressing the  . or  >
button to display “dvt ECODE MEC”.
2.
Press the  Z OPEN  button.
3.
Select the mechanism error code by pressing the  . or  >
button.
DISPLAY : “ E**M##%%0000 “
**
: order of mechanism error happens (hexadecimal)
00 : the newest error
09 : the error ten times before
##
: completion of an initialization (hexadecimal)
ff
: completion
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
  0000 : fixed
Reset of Mechanism Error History
1.
Select the operation in the menu by pressing the   . or  >
button to display “dvt ECONT0 MEC”.
2.
Press the CD PLAY button. Mechanism error history is reset.
Display of No Disc Error History
1.
Select the operation in the menu by pressing the  . or  >
button to display “dvt ECODE BU”.
2.
Press the  Z OPEN  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
  ##
: 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
  %% : 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
  @@ : do not care
  && : rotating speed of a disc when the trouble happened
(hexadecimal)
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  "
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