Sony KV-32XBR400, Руководство по обслуживанию

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KV-32XBR400/36XBR400/36XBR400H/38DRC1/38DRC1C
Diagnostic
Item/Description
No. of times
STANDBY/STEREO
LED flashes
Self-diagnostic
Display/
Diagnostic result
Probable Cause Location Detected Symptoms
LOW B OCP/OVP
(overcurrent/overvoltage)
(see Note 3) 6 times 6:0 or 6:1
•
+5 line is overloaded. (A, B Boards)
•
+5 line is shorted. (A, B Boards)
•
IC6007 is faulty. (A Board)
•
No picture
Horizontal Deflection
Stopped 7 times 7:0 or 7:1
•
No picture
Display of Standby/Timer LED Flash Count
*One flash count is not used for self-diagnostic.
Stopping the STANDBY/STEREO LED Flash
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/STEREO LED from
flashing.
Self-Diagnostic Screen Display
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is
possible to bring up past occurrences of failure on the screen for confirmation.
To Bring Up Screen Test
In standby mode, press buttons on the Remote Commander sequentially, in rapid succession, as shown below:
Display Channel 5 Sound volume
Note that this differs from entering the service mode (sound volume
).
Power ON
+
Self-Diagnostic Screen Display
SELF DIAGNOSTIC
2: +B OCP 0
3: +B OVP 0
4: V STOP 0
5: AKB 1
6: LOWB 0
7:H-STOP 0
101: WDT 0
Numeral “0” means that no fault was detected.
Numeral “1” means a fault was detected one time only.
Note 1: If a +B overcurrent is detected, stoppage of the vertical deflection is detected simultaneously.
The symptom that is diagnosed first by the microcontroller is displayed on screen.
Note 2: Refer to Screen (G2) Adjustment in Section 3-4 of this manual.
Note 3: If STANDBY/STEREO LED flashes 6 times, unplug unit and wait ten seconds before performing
adjustment.
STANDBY/STEREO LED