SONY KV21CL1K - Service mode and LED blinking codes
APPLICABLE TO SONY- KV21FQ10B_21FQ10E_21FQ10K_21CL10B_21CL10E_21CL10K_21CL10U_21CL1KSTOPPING THE STANDBY INDICATOR FLASH
- Turn OFF the Power switch on the TV main unit or unplug the power cord from the outet to stop standby indicator from flashing.
SELF DIAGNOSTIC SCREEN DISPLAY
- For errors with symptoms such as 'power sometimes shuts off' or 'screen sometimes go off' 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 [Display > Channel-5 > Volume (-) > Power > / TV]. Note that, the volume (-) should be pressed. If you press Volume (+), the set will enter into Service Mode, not come up screen test mode
The following screen will be displayed indicating the error count.
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2: 0
3: N/A
4: 0
5: 1
8: 0
101: N/A
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Numerical '0' means that no fault was detected.
Numerical '1' means the number of fault occurrence (1 to 255)
HANDLING THE SELF DIAGNOSTIC SCREEN DISPLAY
- Since the diagnostic result displayed on the screen are not automatically cleared, always check the self diagnostic screen during repairs. When you have completed repairs, clear the result display to "0".
- Unless the display is cleared to "0", the self diagnostic fucntion will not be able to detect subsequent faults after completion of repairs.
CLEARING THE RESULT DISPLAY
- To clear the result display to "0", press buttons on the remote commander subsequent as shown below when the self-diagnostic screen is being displayed.
- [8 => 0]
QUITTING SELF DIAGNOSTIC SCREEN
- To quit the entire self diagnostic screen , turn OFF the power switch on the remote commander or the main unit.
ENTERING SERVICE MODE
- To enter service mode, press [Display => Channel-5 => Volume (+) => Power/TV]
- 'TT' will appear in the right upper corner of the screen. Other status information will also displayed.
- Press "Menu" on the remote control to obtain service menu on the screen.
- The screen only displays '8' items at one time. To move to the corresponding item use the "UP" or "DOWN" buttons on the remote control.
- Press [Right] or [Left] button, or "Enter" button on the remote control to enter into the required item.
- The screen only display '12' items at one time. To move the corresponding item, use 'Up/Dn' button on the remote control.
- Press [Right] to increase of [Left] to decrease the data value to selected item.
- Press the "Menu" button on the remote control to 'Quit' from service menu. The screen will display 'TT----'.
- To 'Exit from 'TT-----' menu, press [0] twice. 'TEST', 'TV' or switch the TV into standby mode.
STANDBY LIGHT BLINKING CODES
Diagnosis item description
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No. of Timer/Standby indicator flashes
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Self-diagnostic display
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Probable cause location
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Detected symptoms
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Power does not turn ON
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Does not light
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# Power cord is unplugged. # Fuse burned(F600) [A-Board]
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# Power does not come On.
# No power is supplied on TV.
# AC Power supply is faulty
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+B over current {OVP)
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2 times
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2:0 or 2:1 to 255
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# H-Out (Q805) is shorted. [A-Board]. # IC751 is shorted [C-Board]
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# Power does not come on.
# Load on power line is shorted.
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V-Protect
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4 times
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4:0 or 4:1 to 255
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# +13V is not supplied.[A-Board] # IC804 is faulty [A-Board]
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# Has entered standby state after horizontal raster. # Vertical deflection pulse is
stopped. # Power line is shorted or
power supply is shorted.
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IK {AKB}
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5 times
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5:0 or 5:1 to 255
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# Video out (IC1545) is faulty [A-Board]. # IC001 is faulty [A-Board]. # Screen (G2) is improperly adjusted.
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# No raster is generated.
# CRT cathode current detection reference pulse output is small.
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HV protect
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8 times
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8:0 or 8:1 to 255
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# IC604 is faulty. # IC602 is faulty/
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# No power supply to CRT anode. # No raster is generated.
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