4-3. SERVICE MODE
1. Setting the Test Mode2-1. EMG Code (Emergency Code)
Codes corresponding to the errors which occur are written in
Page DAddress 10
addresses 30, 34 and 38. The type of error indicated by the code are
DataFunctionshown in the following table.
CodeEmergency Type
00Normal
02Forced VTR power ON00No error
10Loading motor emergency during loading
Y Before setting the data , select page: 0, address: 01, and set data:11Loading motor emergency during unloading
01.
Y For page D, the data set is recorded in the non-volatile memory22T-reel emergency during normal rotation
by pressing the PAUSE button of the adjustment remote23S-reel emergency during normal rotation
commander. In this case, take note that the test mode will not be24T-reel emergency (Short circuit between S-reel
exited even when the main power is turned off (4.2 Vdc).terminal and T-reel terminal)
Y After completing adjustments/repairs, be sure to return the data30FG emergency at the start up of the capstan
of this address to 00.40FG emergency at the start up of the drum
Select page: 0, address: 01, and set data: 00.
42FG emergency during normal rotation of the drum
2. Emergence Memory Address
Page CAddress 38 to 43
AddressContents
38EMG code when first error occurs
Upper: MSW code when shift starts when first
3Aerror occurs
Lower: MSW code when first error occurs
Lower: MSW code to be moved when first error
occurs3B
3CEMG code when second error occurs
Upper: MSW code when shift starts when second
3Eerror occurs
Lower: MSW code when second error occurs
Lower: MSW code to be moved when second error
3F
occurs
40EMG code when last error occurs
Upper: MSW code when shift starts when last error
42occurs
Lower: MSW code when last error occurs
Lower: MSW code to be moved when last error
occurs43
When no error occurs in this unit, data O00� is written in the above
addresses (38 to 43). when first error occurs in the unit, the data
corresponding to the error is written in the first emergency address
(38 to 3B). In the same way, when the second error occurs, the data
corresponding to the error is written in the second emergency address
(3C to 3F). Finally, when the last error occurs, the data corresponding
to the error is written in the last emergency address (40 to 43).
Therefore, the data at address 40 to 43 are updataed whenever an
emergency occurs.
Note:After completing adjustments, be sure to initialize the data of
addresses 38 to 43 to O00�.
Initializing method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: C, address: 38, set data: 00, and press the PAUSE
button.
3) Select address: 39 to 43 and set the data O00� into them in the
same way as in address: 38.
4) Select page: 0, address: 01, and set data: 00.
5-51 |
ACEC
