CMT-CP555, HCD-CP555, HCD-NXM1, MHC-NXM1 - Sony Audio Service Manual (repair manual). Page 14

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14
HCD-CP555/NXM1
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
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