Pioneer PDP-5071PU User Manual

PDP-5071PU
102
1234
1234
C
D
F
A
B
E
5.2.2 POWER DOWN OF FAILURE ANALYSIS
Prediction of failure symptoms when a PD (power-down) is generated
How to distinguish which connector is disconnected
LED Flashing
Count
PD Circuit Checkpoint Main Cause
2 Power supply PD POWER SUPPLY Unit
Failure in the POWER SUPPLY Unit
3 SCAN PD
50 SCAN A, B Assy SCAN IC is damaged (short-circuiting between VH and GNDH)
50Y DRIVE Assy
Connectors disconnected between the POWER SUPPLY Unit and the Y DRIVE Assy
Connectors disconnected between the DIGITAL and the Y DRIVE Assys
Failure in the VH power
4 IC5V PD
50SCAN A, B Assy
SCAN IC is damaged (short-circuiting between IC5V and GNDH)
Disconnection of the scan-bridge (15-pin) connector
50Y DRIVE Assy
Failure in the photo coupler
Abnormality in the IC5V DC/DC converter
5 Y-DRIVE PD 50Y DRIVE Assy Abnormality in the 16.5 V power
6Y DCDC PD 50Y DRIVE Assy
Abnormality in the VOFS DC/DC converter
Abnormality in the VPRST DC/DC converter
Abnormality in VC_15V DC/DC converter
7Y SUS PD 50Y DRIVE Assy
Abnormality in the DK module
Abnormality in the control signal line
8 Address PD 50 ADDRESS Assy
Short-circuiting of Vadr
TCP damaged
9 X-DRIVE PD 50X DRIVE Assy
Connectors disconnected between the DIGITAL and the X DRIVE Assys
Abnormality in the 16.5 V power
10 X DCDC PD 50X DRIVE Assy
Abnormality in VC_15V power
Abnormality in VXNRST power
11 X SUS PD 50X DRIVE Assy
Abnormality in the DK module
Abnormality in the control signal line
Connectors disconnected between the POWER SUPPLY Unit and the X DRIVE Assy
Assy Connector
To which Assy the Connector
is Connected
Frequency of LED
Flashing
Screen Display
50X DRIVE Assy
CN1001 50 DIGITAL Assy 11 (XDRIVE)
–
CN1205 POWER SUPPLY Unit (ADR system power)
–
White (left half of the screen)
CN1204 POWER SUPPLY Unit (drive system power) 12 (X-SUS)
–
CN1206
50 ADDRESS Assy
8 (ADR)
–
50Y DRIVE Assy
CN2001 50 DIGITAL Assy 3 (SCAN)
–
CN2204 POWER SUPPLY Unit (drive system power) 3 (SCAN)
–
CN2206 POWER SUPPLY Unit (ADR system power)
–
White (right half of the screen)
CN2205
50 ADDRESS Assy
8 (ADR)
–
CN2601
50 SCAN A, B Assy
4 (SCN-5V)
–
50 SCAN A, B Assy
CN2801
50Y DRIVE Assy 4 (SCN-5V)
–
50 ADDRESS
Assy
CN1602,
CN1802
50 DIGITAL Assy 8 (ADRS)
–
CN1601,
CN1801
50X DRIVE Assy,
50Y DRIVE Assy
8 (ADRS)
–

Pioneer PDP-5071PU Specifications

General

Brand	Pioneer
Model	PDP-5071PU
Category	Monitor
Language	English