OVP
:
O
VER
V
OLTAGE
P
ROTECT
UVP
:
U
NDER
V
OLTAGE
P
ROTECT
• Power-down diagnosis (defective points)
Number
of Blinks
PD Circuit in
Operation
Defective PCB
Assy
Reason for PD
(Power-down)
Point to be Checked
Possible Defective Part
Remarks
2
POWER
POWER SUPPLY
3
SCAN
50 (43) SCAN A, B
VH UVP
SCAN IC
SCAN IC
VH-GNDH short-circuit
50 (43) Y DRIVE
Y SUS BLOCK
IC2252, IC2253
VSUS-SUSOUT,
SUSOUT-SUSGND short-
circuit
VH DC/DC
IC2502, L2501
Disconnection of cable detected CN2001, CN2350
50 (43) X DRIVE
VH UVP
IC1202
IC1202
VSUS-SUSOUT,
SUSOUT-SUSGND short-
circuit
4
SCN-5V
50 (43) SCAN A, B
Disconnection of cable detected CN2401, CN2402
IC5V UVP
SCAN IC
SCAN IC
50 (43) Y DRIVE
IC5V DC/DC
Q2605, R2647
Y SUS BLOCK
R2352
6
Y-DCDC
50 (43) Y DRIVE
VOFS UVP
VOFS DC/DC
Q2606, R2619, R2620
Y SUS BLOCK
IC2252, IC2253, Q2280, Q2281
MSKS-SUSOUT short-circuit
Vprst UVP
Vprst Regulator
Q2531, Q2532, IC2535
7
Y-SUS
50 (43) Y DRIVE
Power-down caused by
detection of middle-point
voltage
Y RESONANCE BLOCK
IC2101
Y SUS BLOCK
Q2221
8
ADRS
50 (43) ADDRESS
Address power-down
ADDRESS RESONANCE BLOCK
D1634
V+ADR-GND_ADR short-circuit
Disconnection of cable detected CN1501, CN3501-CN3504
9
XDRIVE
50 (43) X DRIVE
Disconnection of cable detected CN1001
10
X-DCDC
50 (43) X DRIVE
Disconnection of cable detected CN1201
VRN UVP
VRN DC/DC
Q1323, R1332, R1333
X SUS BLOCK
R1204, Q1272
11
X-SUS
50 (43) X DRIVE
Power-down caused by
detection of middle-point
voltage
X RESONANCE BLOCK
IC1101
78
PDP436PU, PDP506PU, PRO436PU, PRO506PU
Power Down (Blinking in Red)
Summary of Contents for Elite PRO-506PU
Page 2: ......
Page 8: ... 2 4 SI PG06003 A Warranty Claim Example 8 ...
Page 14: ...14 Quick Reference G 3 to G 8 Power Down Shut Down Trap Switch Reset Service Remotes ...
Page 23: ...23 Models PDP433PU PDP503PU Block Diagrams Shut Down Power Down Diagnosis ...
Page 30: ...30 Models PDP433CMX PDP503CMX PDP4300 PRO800HD HDI PRO1000HD HDI ...
Page 31: ...31 Block Diagrams Basic Service Factory Mode Shut Down Power Down Diagnosis ...
Page 48: ...48 Models PDP434CMX PDP504CMX PDP505CMX PDP4304 PDP4314 PDP5004 PDP5014 PRO810HD PRO1010HD ...
Page 49: ...49 Block Diagrams Operation LED Statuses Power Down Shut Down Diagnosis ...
Page 72: ...72 Models PDP436PU PDP506PU PRO436PU PRO506PU ...
Page 73: ...73 Block Diagrams Operation LED Statuses Shut Down Power Down Diagnosis System Reset ...
Page 82: ...82 Models PDP4270HD PDP4271HD PDP5070HD PDP5071HD PDP6070HD PDP6071HD PRO507PU PRO607PU ...
Page 87: ...87 Models PDP6070HD PDP6071HD PRO607PU Block Diagrams on the next two pages ...
Page 120: ...120 Scan IC Troubleshooting Blue Glue Removal IC Removal ...
Page 121: ......
Page 142: ...142 ...