Sony KV-32HS500 Service Manual page 10

+B overcurrent (OCP)
Occurs when excessive current ß ows through R5013. The increase in voltage across R5013 causes the output of Q5004 to go high, and this high
signal goes to the micro.
+B overvoltage (OVP)
IC6505 detects +B OVP condition and turns on Q6522. This sends a high signal to the micro and also shuts down the AC relay.
V-STOP
Occurs when an absence of the vertical deß ection pulse is detected by pin 24 of IC2801 (B Board). Power supply will shut down when waveform
interval exceeds 2 seconds.
White Balance Failure
If the RGB levels* do not balance within 2 seconds after the power is turned on, this error will be detected by IC2801. TV will stay on, but there
will be no picture.
*(Refers to the RGB levels of the AKB detection Ref pulse that detects 1K).
Low B OCP/OVP
Occurs when set 5V is out.
Horizontal Deß ection Stopped
Occurs when either:
1) a +B overcurrent is detected (IC5007), or
2) overheating is detected (Thermistor TH5002).
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KV-32HS500/32HV600/34DRC500/34XBR800/ 36HS500/
36XBR800/38DRC500/40XBR800/42DRC800