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Model
CMT-CPX22 HCD-CPX22 HCD-NXM3 MHC-NXM3
Pages
68
Size
4.52 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-cpx22-hcd-cpx22-hcd-nxm3-mhc-nxm3.pdf
Date

Sony CMT-CPX22 / HCD-CPX22 / HCD-NXM3 / MHC-NXM3 Service Manual ▷ View online

13
HCD-CPX22/NXM3
3-12. BD BOARD
1
floating screw
     (+PTPWH2.6)
2
coil spring
     (insulator)
3
insulator
4
floating screw
     (+PTPWH2.6)
5
coil spring
     (insulator)
6
insulator
7
floating screw
     (+PTPWH2.6)
8
coil spring
     (insulator)
9
insulator
0
floating screw
     (+PTPWH2.6)
qa
coil spring
     (insulator)
qs
insulator
qd
qf
optical pick-up
     (KSM-215DCP/C2NP)
qj
screw
     (+BVTP 2.6X8)
qg
CN101
qh
Remove the four solderings of motor.
qk
BD board
14
HCD-CPX22/NXM3
SECTION 4
TEST MODE
[Change-over of AM Tuner Step between 9 kHz and 10 kHz]
• A step of AM channels can be changed over between 9 kHz
and 10 kHz.
Procedure:
1. Press
?/1
button to turn the set ON.
2. Select the function “TUNER”, and press [TUNER/BAND]
button to select the BAND “AM”.
3. Press
?/1
button to turn the set OFF.
              
4. Press  x  and
?/1
buttons simultaneously, and the display
of  fluorescent indicator tube changes to “AM 9 kHz step” or
“AM 10 kHz step”, and thus the channel step is changed over.
[Cold Reset]
• The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode when
returning the set to the customer.
Procedure:
                
1. Press three buttons x  ,  [DIMMER] ,and
?/1
simultaneously.
[Switching MD/VIDEO Functions]
Procedure:
1. Press the 
?/1
 button to turn the set ON.
2. Press the 
?/1
  button while holding the  VIDEO (MD)
button depressed to toggle between “MD” and “VIDEO.”  The
selected mode is displayed.
[Error code indication]
Procedure:
1. Press the 
?/1
 button to turn the set ON.
2. Select the “CD” function.
            
     
3. Press the  x  ,  X , and [DISPLAY] buttons simultaneously.
4. The error code is displayed.
5. Press the [TUNING +] button to display the next error code.
Press the[TUNING -] button to display the previous error
code.
[Aging Mode]
This mode can be used for operation check CD section and Tape
deck section.
• If an error occurred:
The aging operation stops and is displayed status.
• If no error occurs:
The aging operation continues repeatedly
1. Aging mode in CD section
Procedure:
1. Press 
?/1
 button on the set ON
2. Select the function “CD”
           
     
3. Press three buttons x  ,  X ,  and  [DISC 3]  simultaneously.
The  “Aging in” display and aging mode is set.
4. Press [DISC 1] button, starts aging mode of all trays check.
5. Press [DISC 2] button ,starts measurement loading time.
6. To exit from the aging mode perform [Cold Reset].
1) Error display
Disc error
Display
Error
E00D01022
Focus error (No disc)
E00D02022
Sub Q error (Focus is good)
E00D02023
TOC reading error
E00D02014
Access error (Unable within regular time)
Mechanism error
Display
Error
E00M__E_0
Error during opening tray
E00M__C_2
EX-CHANGE disc error
E00M__D_0
Error during closing tray
E00M__F_3
EX-OPEN error
E00M__D_5
EX-CLOSE error
E00M__C_2
Chuck-up error
E00M__C_3
Unchucking error
2. Aging mode in Tape Deck section
Procedure:
1. Load the tapes into the decks A and B respectively.
2. Press 
?/1
 button on the set ON
3. Select the function “TAPE A”
                                    
     
4. Press three buttons  x  ,  X  , and  [TAPE A/B]
simultaneously, and aging mode is started.
5. To exit from the aging mode perform [Cold Reset].
• In the aging mode ,the program is executed  in the following
sequence.
Step
Operation
Display
1
Rewind the TAPE  A
TAPE  A  AG-1
2
Rewind the TAPE  B
TAPE  B  AG-1
3
Play the TAPE  A (
t) (2 minute) TAPE  A  AG-2
4
F•F. (AMS) the TAPE  A
TAPE  A  AG-3
5
Play the TAPE  A (
T) (2 minute) TAPE  A  AG-4
6
Rewind the TAPE  A
TAPE  A  AG-5
7
Play the TAPE  B (
t) (2 minute) TAPE  B  AG-2
8
F•F.(AMS) the TAPE  B
TAPE  B  AG-3
9
Play the TAPE  B (
T) (2 minute) TAPE  B  AG-4
10
Rewind the TAPE  B
TAPE  B  AG-5
15
HCD-CPX22/NXM3
[GC  Test Mode]
• All fluorecent segments and LEDs are tested.
• Microprocessor virsion.
• Keyboard check.
• Display check.
Procedure:
       
     
1. To enter the test mode, press the three buttons  x  ,  X  and
[TUNER/BAND] simultaneously.
2. All segments and LEDs (without STANDBY LED) are turned
on.
3. Press the [TUNING -] button to increment the microprocessor
software version.
4. Press the [TUNING +] button to change the indication for the
microprocessor software version.
             
3. Press the  b B  button to set the check mode for the entries
(KEY, JOG, etc.).
            
4. Press the  X  button to display the current VACS level.
                                
7. Press the  x  button to enter the mode to check the display. If
you press this button repeatedly, the display will change
sequentially as the button is pressed.
                                
  
8. Press the  x , X  and [TUNER/BAND] buttons simultaneously
to set the standby mode.
[CD Service Mode]
• This mode can run the CD sled motor freely. Use this mode,
for instance, when cleaning the pick-up.
Procedure:
1. Press
?/1
button to turn the set ON.
2. Select the function “CD”.
                
  
3. To enter the test mode, press three buttons x ,  X  , and  [DISC
1]  simultaneously.
4. The CD service mode is selected.The message ‘‘CD SERVICE
MODE’’ is displayed.
5. While holding the [TUNING -] button depressed , to move
the sled to the inside. “SLED IN” is displayed.
While holding the [TUNING +] button depressed, to move
the sled to the outside. “SLED OUT” is displayed.
6. Press the [CD SYNC] button so that “LD ON” and “LD OFF”
are displayed to switch between Laser ON/OFF.
7. To exit from this mode, perform as follows:
1)
Move the pick-up to the most inside track.
2)
Press  
?/1
 button to turn the set OFF.
Note: • Always move the pick-up to most inside track when exiting from
this mode.  Otherwise, a disc will not be unloaded.
• Do not run the sled motor excessively, otherwise the gear can be
chipped.
[MC Test Mode] (Amplifier SECTION)
• This mode is used to test the function of the amplifier section.
Procedure:
1. Press  
?/1
  button to turn the set ON.
        
    
2. To enter the test mode, press the three buttons  x ,  X  and
z/START  simultaneously.
3. Turn  [VOLUME]  knob to counter-clockwise, the function of
the equalizer is set to “MIN”.
4. Turn  [VOLUME]  knob to clockwise, the function of the
equalizer is set to “MAX”.
5. Whenever turn [BASS] knob to clockwise, the display switches
as follows.
“TONE MAX” 
t“TONE MIN” t“TONE FLAT”
6. To exit from this mode, press  
?/1
  button to turn the set
OFF.
[MC Test Mode] (Tape section)
• This mode is used to test the functions of the Tape Procedure.
Procedure:
1. Press 
?/1
 button to turn the set ON.
         
   
2. To enter the test mode, press the three buttons x ,  X  and
       
z/START simultaneously.
3. While holding the [DIMMER] button depressed, turn the ALC
ON.
4. Press the  z/START  button to start REC (recording).
5. While recording, press the [TUNING +] button to perform
automatic rewind and automatic playback (for FF version).
Also, press the [TUNING -] button to perform automatic rewind
and automatic playback (for FR version).
6. Select the function “TAPE A” or “TAPE B”
7. Press the [CD-SYNC] button while “TAPE A” or “TAPE B”
is selected, to perform AMS check. “EDG[ ]” is displayed.
A number appears inside[ ].
8. To exit from this mode, press 
?/1
  button to turn the set
OFF.
[CD Ship Mode (LOCK) ]
• This mode moves the pick-up to the position durable to
vibration. Use this mode when returning the set to the customer
after repair.
Procedure:
1. Press
?/1
button to turn the set ON.
2. Select the function “CD”.
   
3. Press  x  button and  [CD]   button simultaneously.
4. The “STANDBY” display blinks instantaneously, and the CD
ship mode is set.
5. To fluorescent indicator tube displays ‘‘LOCK’’.
[CD Ship (LOCK) & COLD RESET MODE]
Procedure:
1. Press  
?/1
  button to turn the set ON.
2. Select the function “CD”.
         
   
           
3. Press three buttons  x  ,  X  and  VIDEO (MD)   simultaneously.
4. The “STANDBY” display blinks instantaneously and CD ship
mode is set.
5. To fluorescent indicator tube displays “LOCK” and the set is
reset.
[CD power -manage function]
Procedure:
1. Press 
?/1
 button to the set ON
2. Select the function “CD”.
3. Press 
?/1
 button to turn the set OFF.
   
4. Press  x  and  
?/1
 buttons simultaneously ,and the display
of fluorescent indicator tube changes “CD POWER OFF” or
“CD POWER ON”.
5. Press 
?/1
 button to turn the set OFF.
16
HCD-CPX22/NXM3
[DISC Tray  Lock]
Procedure:
1. Press 
?/1
  button to the set ON.
2. Select the function “CD”.
  
           
3. Press x and  CD Z buttons simultaneously  for 5 seconds.
And the displays of fluorescent indicator tube changes to
“LOCKED” or “UNIOCKED”.
4. Press 
?/1
 button to turn the set OFF.
[CD Repeat 5  Times Limit Release Mode]
Procedure:
1. Press  
?/1
  button to turn the set ON.
2. Select the function “CD”.
           
     
3. Press three buttons  x  ,  X  and  [CD SYNC]  simultaneously.
4. The message “LIMIT OFF” is displayed.
5. Press  
?/1
  button the set OFF.
[AMP TEST  MODE]
Procedure:
1. Press  
?/1
  button to turn the set ON.
              
   
2. To enter the test mode, press three buttons  x  ,  X  and  [DSGX]
simultaneously.
3. Display will changes ‘‘VACS ON’’ to ‘‘VACS OFF’’.
4. Press  
?/1
  button to turn the set OFF.
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