Self-Diagnosis Function; Self-Diagnosis Display; Service Mode Display; Display Method - Sony DCR-TRV820 Service Manual

1.

Self-diagnosis Function

When problems occur while the unit is operating, the self-diagno-
sis function starts working, and displays on the viewfinder or Dis-
play window what to do. This function consists of two display;
self-diagnosis display and service mode display.
Details of the self-diagnosis functions are provided in the Instruc-
tion manual.
Viewfinder
C : 3 1 : 1 1
Repaired by:
C : Corrected by customer
H : Corrected by dealer
E : Corrected by service
engineer
3.

Service Mode Display

The service mode display shows up to six self-diagnosis codes shown in the past.
3-1.

Display Method

While pressing the "STOP" key, set the switch from OFF to "VTR", and continue pressing the "STOP" key for 5 seconds continuously.
The service mode will be displayed, and the counter will show the backup No. and the 5-character self-diagnosis codes.
Viewfinder
[3] C : 3 1 : 1 1
Backup No.
Order of previous errors
3-2.

Switching of Backup No.

By rotating the control dial, past self-diagnosis codes will be shown in order. The backup No. in the [] indicates the order in which the
problem occurred. (If the number of problems which occurred is less than 6, only the number of problems which occurred will be shown.)
[1] : Occurred first time
[2] : Occurred second time
[3] : Occurred third time
3-3.

End of Display

Turning OFF the power supply will end the service mode display.
Note: The "self-diagnosis display" data will be backed up by the coin-type lithium battery (CF-72 board BH001). When this
coin-type lithium battery is disconnected, the "self-diagnosis display" data will be lost by initialization.
SELF-DIAGNOSIS FUNCTION
Blinks at 3.2Hz
C 3 1 1 1
Block
Indicates the appropriate Refer to page 10 and 11.
step to be taken. Self-diagnosis Code Table.
E.g.
31 ....Reload the tape.
32 ....Turn on power again.
Display window
3 C : 3 1 : 11
Lights up
[3]
C : 3 1 : 1 1
Self-diagnosis Codes
[4] : Occurred fourth time
[5] : Occurred fifth time
[6] : Occurred the last time
2.

Self-diagnosis Display

When problems occur while the unit is operating, the counter of
the viewfinder or Display window shows a 4-digit display consist-
ing of an alphabet and numbers, which blinks at 3.2 Hz. This 5-
character display indicates the "repaired by:", "block" in which
the problem occurred, and "detailed code" of the problem.
Display window
C : 3 1 : 11
Detailed Code
– 9 –
Display window
Control dial