PDP-507XD
102
1
2
3
4
1
2
3
4
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
6
Y 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
7
Y 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)
–
Содержание PDP-507XA
Страница 20: ...PDP 507XD 20 1 2 3 4 1 2 3 4 C D F A B E 2 6 PANEL CHASSIS SECTION 1 9 2 11 4 7 7 7 7 7 3 7 10 8 7 10 7 6 5 ...
Страница 41: ...PDP 507XD 41 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 44: ...PDP 507XD 44 1 2 3 4 1 2 3 4 C D F A B E 4 2 OVERALL CONNECTION DIAGRAM 2 2 ...
Страница 45: ...PDP 507XD 45 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 55: ...PDP 507XD 55 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 78: ...PDP 507XD 78 1 2 3 4 1 2 3 4 C D F A B E 500ns div 500ns div 200ns div ...
Страница 191: ...PDP 507XD 191 5 6 7 8 5 6 7 8 C D F A B E Block Diagram R2S11002AFT MAIN ASSY IC4701 AV SW ...
Страница 192: ...PDP 507XD 192 1 2 3 4 1 2 3 4 C D F A B E Block Diagram R2S11001FT MAIN ASSY IC4901 Component SW IC ...