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PDP-503PE, PDP-503PU
Kind and function of the various protection circuit (P.D. circuit)
Red LED
Assy Name
Number of
Blinks
Y DRIVE Assy
X DRIVE Assy
SW POWER SUPPLY
Module
ADR CONNECT Assy
RESONANCE Assy
DIGITAL VIDEO Assy
Reference
OVP : Over Voltage Protect
UVP : Under Voltage Protect
OCP : Over Current Protect
Note 1: AC200V P.D. is not applicable to the PDP-503PE and PDP-503PU models.
82
Kind of P.D.
Circuit
1
VCP OCP
VOFS OVP
VOFS UVP
2
VH OVP
VH UVP
IC5V UVP
VRN OVP
3
VRN UVP
VCP OCP
4
RESET OCP
VSUS OVP
VSUS UVP
VADR OVP
VADR UVP
15V OVP
15V UVP
12V UVP
6.5V OVP
5
6.5V UVP
13.5V UVP
-9V UVP
+B OVP
+B OCP
AC200V P.D.
6
ADR.PD
7
ADR.K.PD
5.0V OVP
5.0V UVP
3.3V OVP
8
3.3V UVP
2.5V OVP
2.5V UVP
Function
P.D. by VCP overcurrent
P.D. by VOFS overvoltage
P.D. by VOFS undervoltage (= overcurrent)
P.D. by VH overvoltage
P.D. by VH undervoltage (= overcurrent)
P.D. by IC5V undervoltage (= overcurrent)
P.D. by VRN overvoltage
P.D. by VRN undervoltage (= overcurrent)
P.D. by VCP overcurrent
P.D. by reset circuit overcurrent
P.D. by VSUS overvoltage
P.D. by VSUS undervoltage (= overcurrent)
P.D. by VADR overvoltage
P.D. by VADR undervoltage (= overcurrent)
P.D. by 15V overvoltage
P.D. by 15V undervoltage (= overcurrent)
P.D. by 12V undervoltage (= overcurrent)
P.D. by 6.5V overvoltage
P.D. by 6.5V undervoltage (= overcurrent)
P.D. by 13.5V undervoltage (= overcurrent)
P.D. by -9V undervoltage (= overcurrent)
P.D. by +B overvoltage
P.D. by +B overcurrent
P.D. by AC200V apply
PFC module overheat protection
VSUS arc resistance overheat protection
P.D. by disconnecting the connector
P.D. by ICP open and TCP defective
P.D. by 5V overvoltage
P.D. by 5V undervoltage (= overcurrent)
P.D. by 3.3V overvoltage
P.D. by 3.3V undervoltage (= overcurrent)
P.D. by 2.5V overvoltage
P.D. by 2.5V undervoltage (= overcurrent)
Remarks
Note 1
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