Sony GV-D300 Operating Instructions (primary manual), Service Manual

Page: 6 / 148

— 6 —
SELF-DIAGNOSIS FUNCTION
1. SELF-DIAGNOSIS FUNCTION
When problems occur while the unit is operating, the self-diagnosis
function starts working, and displays on the LCD screen or monitor
TV (Note) 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.
Note: The “self-diagnosis display” data will be backed up by the coin-type lithium battery of FP-571 flexible board. When this coin-type lithium battery
is removed, the “self-diagnosis display” data will be lost by initialization.
2. SELF-DIAGNOSIS DISPLAY
When problems occur while the unit is operating, the counter of the
viewfinder 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.
Note: Set the DISPLAY in the menu system to V-OUT/LCD only for the
model with LCD screen, and press the DISPLAY button.
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 ON, and continue pressing the “STOP” key for 10 seconds continuously. The
service mode will be displayed, and the counter will show the backup No. and the 5-character self-diagnosis codes.
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
[4] : Occurred fourth time
[2] : Occurred second time [5] : Occurred fifth time
[3] : Occurred third time [6] : Occurred the last time
3-3. End of Display
Turning OFF the power supply will end the service mode display.
1 1
3 1 C
Repaired by:
Refer to page 7.
Self-diagnosis Code Table. Indicates the appropriate
step to be taken.
E.g.
31 ....Reload the tape.
32 ....Turn on power again.
Block
Detailed Code
Blinks at 3.2Hz
C : Corrected by customer
H : Corrected by dealer
E : Corrected by service
engineer
LCD screen or monitor TV
C : 3 1 : 1 1
Order of previous errors
Backup No. self-diagnosis codes
C : 3 1 : 1 1
[3]
Lights up
LCD screen or monitor TV
[3] C : 3 1 : 1 1
Control dial