Self-Diagnosis Function; Self-Diagnosis Display; Service Mode Display - Sony DCR-TRV940 Service Manual

DCR-TRV940/TRV940E/TRV950/TRV950E

1-6. SELF-DIAGNOSIS FUNCTION

1-6-1. Self-diagnosis Function
When problems occur while the unit is operating, the self-diagnosis
function starts working, and displays on the viewfinder or Display
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 Instruction
manual.
Viewfinder
C : 3 1 : 1 1
Repaired by:
C : Corrected by customer
H : Corrected by dealer
E : Corrected by service
engineer

1-6-3. Service Mode Display

The service mode display shows up to six self-diagnosis codes shown in the past.
1. Display Method
While pressing the "STOP" key, set the switch from OFF to "VCR", 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
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. End of Display
Turning OFF the power supply will end the service mode display.
Note: The "self-diagnosis display" data will not be erased (reset) when the lithium 3 V supply (CK-116 board BT5201) is removed.
Blinks at 3.2Hz
C 3 1 1 1
Block
Indicates the appropriate
step to be taken.
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

1-6-2. Self-diagnosis Display

When problems occur while the unit is operating, the counter of the
viewfinder or Display window shows a 4-digit display consisting
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
Refer to "1-6-4. Self-diagnosis Code Table".
1-4
Display window
Control dial