Sony KV-24FS100 - 24" Fd Trinitron Wega, Руководство по обслуживанию

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KV-24FS100/25FS100
Detected Symptoms
SELF-DIAGNOSTIC FUNCTION
*If a +B overcurrent is detected, stoppage of the vertical de ß ection is detected simultaneously. The symptom that is diagnosed Þ rst by the
mircrocontroller is displayed on the screen.
**Refer to Screen (G2) Adjustments in Section 2-4. of this manual.
Display of Standby/Timer LED Flash Count
Diagnostic
Item Flash Count*
+B Overcurrent 2 times
I-Prot 4 times
IK (AKB) 5 times
*One ß ash count is not used for self-diagnostic.
Stopping the Standby/Timer LED Flash
Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/TIMER LAMP from ß ashing.
Self Diagnosis
Supported model
Standby/Timer LED
The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER LED will automatically begin to ß ash. The number
of times the LED ß ashes translates to a probable source of the problem. A de Þ nition of the STANDBY/TIMER LED ß ash indicators is listed in the
instruction manual for the user’s knowledge and reference. If an error symptom cannot be reproduced, the Remote Commander can be used to review
the failure occurrence data stored in memory to reveal past problems and how often these problems occur.
Diagnostic Test Indicators
When an error occurs, the STANDBY/TIMER LED will ß ash a set number of times to indicate the possible cause of the problem. If there is more than
one error, the LED will identify the Þ rst of the problem areas.
Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a “0”.
Power does not turn on
+B overcurrent (OCP)*
I-Prot
IK (AKB)
Does not light
2 times
4 times
5 times
2:0 or 2:1
4:0 or 4:1
5:0 or 5:1
• Power cord is not plugged in.
• Fuse is burned out (F601). (A Board)
• H.OUT (Q505) is shorted. (A Board)
• IC1751 is shorted. (CV Board)
• +13V is not supplied. (A Board)
• IC545 is faulty. (A Board)
• Viedo OUT (IC545) is faulty.
(A Board)
• IC001 is faulty. (A Board)
• Screen (G2) is improperly adjusted.**
No. of times
STANDBY/ TIMER
lamp ß ashes
Diagnostic Item
Description
Self-Diagnositc
Display/
Diagnostic Result
Probable Cause Location
• Power does not come on.
• No power is supplied to the TV.
• AC Power supply is faulty.
• Power does not come on.
• Load on power line is shorted.
• Has entered standby state after horizontal raster.
• Vertical de
ß ection pulse is stopped.
• Power line is shorted or power supply is stopped.
• No raster is generated.
• CRT Cathode current detection reference pulse
output is small.
2 times
4 times
5 times
LED ON 0.3 sec.
LED OFF 0.3 sec.
LED OFF
3 sec.