131
PDP-433CMX
5
678
5
6
7
8
C
D
F
A
B
E
Types and function of the various protection circuits (P.D. circuits)
Reference
OVP : Over Voltage Protect
UVP : Under Voltage Protect
OCP : Over Current Protect
PD : Power Down
Assy Name OSD Display
Red "STANDBY/
ON" LED
Number of Blinks
Type of P.D.
Circuits
Function
Remarks
Y DRIVE Assy
Y-DRV 1 VCP OCP P.D. by VCP overcurrent
Y-DDC 2
VOFS OVP P.D. by VOFS overvoltage
VOFS UVP P.D. by VOFS undervoltage (= overcurrent)
VH OVP P.D. by VH overvoltage
VH UVP P.D. by VH undervoltage (= overcurrent)
IC5V UVP P.D. by IC5V undervoltage (= overcurrent)
X DRIVE Assy
X-DDC 3
VRN OVP P.D. by VRN overvoltage
VRN UVP P.D. by VRN undervoltage (= overcurrent)
X-DRV 4
VCP OCP P.D. by VCP overcurrent
SW POWER SUPPLY
Module
POWER 5
VSUS OVP P.D. by VSUS overvoltage
VSUS UVP P.D. by VSUS undervoltage (= overcurrent)
VADR OVP P.D. by VADR overvoltage
VADR UVP P.D. by VADR undervoltage (= overcurrent)
15V OVP P.D. by 15V overvoltage
15V UVP P.D. by 15V undervoltage (= overcurrent)
12V UVP P.D. by 12V undervoltage (= overcurrent)
6.5V OVP P.D. by 6.5V overvoltage
6.5V UVP P.D. by 6.5V undervoltage (= overcurrent)
13.5V UVP P.D. by 13.5V undervoltage (= overcurrent)
-9V UVP P.D. by -9V undervoltage (= overcurrent)
+B OVP P.D. by +B overvoltage
+B OCP P.D. by +B overcurrent
AC200V P.D. P.D. by AC200V applied
PFC module overheat protection
VSUS arc resistance overheat protection
ADR CONNECT Assy ADRES 6 ADR.PD P.D. by disconnection of the connectors
RESONANCE Assy ADR-K 7 ADR.K.PD P.D. by ICP open and TCP defective
DIGITAL VIDEO Assy DC-DC 8
5.0V OVP P.D. by 5V overvoltage
5.0V UVP P.D. by 5V undervoltage (= overcurrent)
3.3V OVP P.D. by 3.3V overvoltage
3.3V UVP P.D. by 3.3V undervoltage (= overcurrent)
2.5V OVP P.D. by 2.5V overvoltage
2.5V UVP P.D. by 2.5V undervoltage (= overcurrent)
To Next Page
Loading...
Need help?
General