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Service Mode; Emergence Memory Address; Emg Code (Emergency Code) - Sony DSR-20MD Service Manual

Digital video cassette recorder
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5-2-3.

SERVICE MODE

1. Emergence Memory Address

Page C
Address
30
EMG code when first error occurs
Upper: MSW code when shift starts when first error occurs
32
Lower: MSW code when first error occurs
33
Lower: MSW code to be moved when first error occurs
34
EMG code when second error occurs
Upper: MSW code when shift starts when second error
36
occurs
Lower: MSW code when second error occurs
37
Lower: MSW code to be moved when second error occurs
38
EMG code when last error occurs
3A
Upper: MSW code when shift starts when last error occurs
Lower: MSW code when last error occurs
3B
Lower: MSW code to be moved when last error occurs
When no error occurs in the unit, data 00 is written in the above
addresses (30 to 3B). When the first error occurs in the unit, the
data corresponding to the error is written in the first emergency
address (30 to 33). In the same way, when the second error occurs,
the data corresponding to the error is written in the second emer-
gency address (34 to 37).
Finally, when the last error occurs, the data corresponding to the
error is written in the last emergency address (38 to 3B). Conse-
quently, addresses 30 to 3B are updated each time errors occur.
Note 1: After completing adjustments, be sure to rewrite the data
of addresses 30 to 3B to 00.
Addresses 30 to 3B
Contents
1) Select page: 0, address: 01, and set data: 01.
2) Select page: C, address: 30, set data: 00, and press the PAUSE
button of the adjusting remote commander.
3) Select page: C, address: 31, set data: 00, and press the PAUSE
button of the adjusting remote commander.
4) Select page: C, address: 32, set data: 00, and press the PAUSE
button of the adjusting remote commander.
5) Select page: C, address: 33, set data: 00, and press the PAUSE
button of the adjusting remote commander.
6) Select page: C, address: 34, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: C, address: 35, set data: 00, and press the PAUSE
button of the adjusting remote commander.
8) Select page: C, address: 36, set data: 00, and press the PAUSE
button of the adjusting remote commander.
9) Select page: C, address: 37, set data: 00, and press the PAUSE
button of the adjusting remote commander.
10) Select page: C, address: 38, set data: 00, and press the PAUSE
button of the adjusting remote commander.
11) Select page: C, address: 39, set data: 00, and press the PAUSE
button of the adjusting remote commander.
12) Select page: C, address: 3A, set data: 00, and press the PAUSE
button of the adjusting remote commander.
13) Select page: C, address: 3B, set data: 00, and press the PAUSE
button of the adjusting remote commander.
14) Select page: 0, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.

1-1. EMG Code (Emergency Code)

Codes corresponding to the errors which occur are written in ad-
dresses 30, 34, 38. The type of error indicated by the code are
shown in the following table.
Code
00
No error (Initial state)
10
Loading motor time-out during LOAD
11
Loading motor time-out during UNLOAD
20
Reel motor error
22
T reel error
23
S reel error
24
Swing error
32
Error during normal capstan rotation
33
Cassette compartment LOAD error
35
Cassette compartment UNLOAD error
40
FG error during drum start-up
42
FG error during normal drum rotation
50
DEW detection
52
Wet DEW detection
60
Electrical tension regulator error
5-57
Error Type

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