PDP-4280HD
64
1
2
3
4
1
2
3
4
C
D
F
A
B
E
5.3.2 PD (POWER-DOWN) DIAGNOSIS OF FAILURE ANALYSIS
Connectors
disconnection detection
Connectors
disconnection detection
Q1219,Q1220,Q1221,
Q1222,Q1223,Q1224,Q1201
Q2217,Q2218,Q2219,
Q2221,Q2222,Q2223
Q1219,Q1220,Q1221,
Q1222,Q1223,Q1224,Q1201
Q2217,Q2218,Q2219,
Q2221,Q2222,Q2223
IC2601,D2604
Q2320,Q2321,Q2322,Q2323,
Q2324,Q2325,Q2330,Q2332,
Q2334
Q2320,Q2321,Q2322,Q2323,
Q2324,Q2325,Q2330,Q2332,
Q2334
Q2320,Q2321,Q2322,Q2323,
Q2324,Q2325,Q2330,Q2332,
Q2334
Q2320,Q2321,Q2322,Q2323,
Q2324,Q2325,Q2330,Q2332,
Q2334
Red LED
Flashing
Count
Operating
PD
Defective Assy
PD Outline
Checkpoint
Possible Defective Part
Remarks
2
POWER
POWER SUPPLY Unit
X DRIVE Assy
VSUS UVP
Failure in the POWER SUPPLY Unit
X SUS BLOCK
VSUS-PSUS and SUSOUT-SUSGND
are short-circuited.
Y DRIVE Assy
Y SUS BLOCK
VSUS-SUSOUT and SUSOUT-SUSGND
are short-circuited.
VSUS-PSUS and SUSOUT-SUSGND
are short-circuited.
VSUS-SUSOUT and SUSOUT-SUSGND
are short-circuited.
3
SCAN
SCAN Assy
VH UVP
SCAN IC
SCAN IC
X DRIVE Assy
X SUS BLOCK
Y DRIVE Assy
Y SUS BLOCK
VH DC/DC converter
Connectors
disconnection
detection
CN2001,CN2301
CN2001
CN3506
DIGITAL Assy
CN3506
4
SCN-5V
5
Y-DCDC
SCAN Assy
SCAN IC
IC5V DC/DC
IC5V UVP
CN2501,CN2502
Q2554,D2558
Y DRIVE Assy
Y DRIVE Assy
DIGITAL Assy
6
Y-DCDC
Y DRIVE Assy
VNOFS UVP
Y MSK BLOCK
LMSK is short-circuited.
VNOFS DC/DC
D2606,Q2710,Q2711
Vprst UVP
YPRST Regulator
D2602,Q2604,R2610
15VDD UVP
15VDC/DC
Q2572
VKOFS1_2 UVP
Y MSK BLOCK
LMSK is short-circuited.
VKOFS1_2 Regulator
Q2705,Q2702
VKOFS3 UVP
Y MSK BLOCK
LMSK is short-circuited.
VKOFS3 Regulator
Q2706,Q2703
VKOFS4 UVP
Y MSK BLOCK
LMSK is short-circuited.
Vadr is short-circuited (TCP,etc.).
Each TCP unit.
ADR_B capacitor is short-circuited.
Between ADR_B and Vadr is short-
circuited.
Each resonance block unit.
VKOFS4 Regulator
Q2707,Q2704
IC1551,IC1552,IC1553,IC1554
7
Y-SUS
Y DRIVE Assy
Center electric potential
detection PD
Y RESONANCE BLOCK
Q2106,Q2107,Q2108,Q2110,Q2112,
D2104,D2105,D2108,D2109
Q1631,Q1641,Q1651,Q1661,
(D1631,D1641,D1651,D1661,R1614,
R1615,R1616,R1617)
C1611,(R1614,R1615,R1616,R1617,
R1635,R1645,R1965,R1665,D1631,
D1641,D1651,D1661,Q1610)
8
ADRS
ADDRESS Assy
ADDRESS RESONACE BLOCK
Vadr LVP
Connectors
disconnection
detection
CN1501,CN1502
DIGITAL Assy
CN3501 to CN3504
X DRIVE Assy
CN1202,CN1203
Y DRIVE Assy
CN2302,CN2303,CN2304
9
XDRIVE
X DRIVE Assy
Connectors
disconnection
detection
CN1001
DIGITAL Assy
CN3505
10
X-DCDC
X DRIVE Assy
Connectors
disconnection detection
CN1201
15VDD UVP
X SUS BLOCK
L1201,R1217
15VDC/DC
Q1402
VXKOFS1 UVP
VXKOFS1 Regulator
Q1403,Q1404,IC1401
X OFFSET BLOCK
Q1301,Q1303
VXKOFS2 UVP
VXKOFS2 Regulator
Q1405,Q1406,IC1402
X OFFSET BLOCK
Q1302,Q1304
11
X-SUS
X DRIVE Assy
Center electric potential
detection PD
X RESONANCE BLOCK
Q1108,Q1109,Q1110,Q1112,
D1106,D1107,D1110,D1111
UVP: Under Voltage Protect , OVP: Over Voltage Protect
Prediction of failure symptoms when a PD (power-down) is generated
Summary of Contents for PDP-4280HD
Page 10: ...PDP 4280HD 10 1 2 3 4 1 2 3 4 C D F A B E 2 2 SPECIFICATIONS Dimensions ...
Page 11: ...PDP 4280HD 11 5 6 7 8 5 6 7 8 C D F A B E 2 3 PANEL FACILITIES Front Section ...
Page 12: ...PDP 4280HD 12 1 2 3 4 1 2 3 4 C D F A B E Rear Section ...
Page 13: ...PDP 4280HD 13 5 6 7 8 5 6 7 8 C D F A B E Remote Control Unit ...
Page 19: ...PDP 4280HD 19 5 6 7 8 5 6 7 8 C D F A B E ...
Page 20: ...PDP 4280HD 20 1 2 3 4 1 2 3 4 C D F A B E 4 BLOCK DIAGRAM 4 1 OVERALL WIRING DIAGRAM 1 2 ...
Page 22: ...PDP 4280HD 22 1 2 3 4 1 2 3 4 C D F A B E 4 2 OVERALL WIRING DIAGRAM 2 2 ...
Page 23: ...PDP 4280HD 23 5 6 7 8 5 6 7 8 C D F A B E ...
Page 35: ...PDP 4280HD 35 5 6 7 8 5 6 7 8 C D F A B E ...
Page 168: ...PDP 4280HD 168 1 2 3 4 1 2 3 4 C D F A B E 10 6 PANEL CHASSIS SECTION ...
Page 172: ...PDP 4280HD 172 1 2 3 4 1 2 3 4 C D F A B E 10 8 PDP SERVICE ASSY 428 Exterior Section ...