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 BLOCKVadr 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
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