Pioneer PDP-5010FD

PDP-5010FD
64
1234
1 234
C
D
F
A
B
E
5.3.2 PD (POWER-DOWN) DIAGNOSIS OF FAILURE ANALYSIS
Connectors
disconnection detection
Q1219 to Q1224
Q2217 to Q2224
Q1218 to Q1224,Q1226
Q2217 to Q2224
IC2601,IC2603,D2604
Q2320 to Q2325,Q2330,Q2332,Q2334
Q2320 to Q2325,Q2330,Q2332,Q2334
Q2320 to Q2325,Q2330,Q2332,Q2334
Q2320 to Q2325,Q2330,Q2332,Q2334
Red LED
Flashing
Count
Operating
PD
Defective Assy PD Outline Checkpoint Possible Defective Part Remarks
2
POWER
POWER SUPPLY Unit
POWER SUPPLY Unit
X DRIVE Assy
VSUS UVP
Failure in the POWER SUPPLY Unit
X SUS BLOCK
VSUS-SUSOUT and SUSOUT-
SUSGND are short-circuited.
Y DRIVE Assy Y SUS BLOCK
VSUS-SUSOUT and SUSOUT-
SUSGND are short-circuited.
VSUS-SUSOUT 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
DIGITAL Assy CN3509
4
SCN-5V
SCAN Assy
CN2801,CN2901,CN2902,CN3001,
CN3002,CN3101
SCAN IC
IC5V UVP
IC5V DC/DC Q2764,D2768,R2764
SCAN IC
Y DRIVE Assy
6
Y-DCDC Y DRIVE Assy
VNOFS UVP
Y MSK BLOCK LMSK is short-circuited.
VNOFS DC/DC D2606,Q2709,Q2710
Vprst UVP
YPRST Regulator Q2604,Q2605,IC2602
15VDD UVP
15VDC/DC Q2662,R2669
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.
EXT_PD line: Open
EXT_PD line: Open
It becomes "UNKNOW" except
above-mentioned PD detection
condition.
VKOFS4 Regulator Q2707,Q2704
7
Y-SUS Y DRIVE Assy
Center electric potential
detection PD
Y RESONANCE BLOCK
Q2106 to Q2109,Q2111,Q2113,
D2104 to D2107
8
ADRS
ADDRESS Assy
ADDRESS RESONACE BLOCKVADR UVP
TCPVADR UVP
CN1601,CN1602,CN1801,CN1802
CN3501 to CN3508
CN1202 to CN1206
CN2302 to CN2306
Connectors
disconnection
detection
DIGITAL Assy
X DRIVE Assy
Y DRIVE Assy
9
XDRIVE
X DRIVE Assy
Connectors
disconnection
detection
CN1001
DIGITAL Assy CN3510
P4
CN3801
Each PD line of ModuleUcom
ModuleUcom can not
detection
10
X-DCDC X DRIVE Assy
Connectors
disconnection detection
Connectors
disconnection detection
Connectors
disconnection detection
CN1201
15VDD UVP
X SUS BLOCK L1201,R1217
15VDC/DC Q1402
VXKOFS1 UVP
VXKOFS1 Regulator Q1405,Q1406
X OFFSET BLOCK Q1302,Q1304
VXKOFS2 UVP
VXKOFS2 Regulator Q1403,Q1404
X OFFSET BLOCK Q1301,Q1303
11
X-SUS X DRIVE Assy
Center electric potential
detection PD
X RESONANCE BLOCK
Q1108,Q1116,Q1112,Q1119
12
15
DIG-DCDC
UNKNOW
DIGITAL Assy
DIGITAL Assy
3.3V, 2.5V, 1.1V
UVP, O VP, OCP
5.1V OCP
Abnormality in the DC-DC converter
control IC
Periphery of the DC-DC converter
Abnormality in 5.1V input
(include abnormality in the protection fuse)
IC3801
FU3801
Q3841, Q3861, Q3881
L3841, L3861, L3881
R3820, R3848, R3868, R3888
UVP: Under Voltage Protect , OVP: Over Voltage Protect
Prediction of failure symptoms when a PD (power-down) is generated