3Blank paper (Figure 6.2- C )
•Is each LED head assembly connected to the junction board (Y71 PWB) and Engine board (K73 PWB)correctly?
No | Check the cable connection the LED assembly with the junction board (Y71 PWB) and |
| engine board. |
▼ | Is +3.8V supplied to the following POWER connector pins on the junction board (Y71 PWB)? |
• Yes | |
| +3.8V: Pin 1, 2, 3, 4, 5, 6, 7, 8 |
• Yes | Is +3.8V supplied to the following cable connector pins between the junction board (Y71 |
| PWB) and each LED head assembly? |
| YPOW connector Pin 3 : LED head assembly yellow |
| MPOW connector Pin 3 : LED head assembly magenta |
| CPOW connector Pin 3 : LED head assembly cyan |
| BPOW connector Pin 3 : LED head assembly black |
| No Replace the junction board (Y71 PWB). |
▼
• Yes
▼
• No
No
▼
• Yes
Check the cable connection, or replace the LED head assembly.
Is +32V supplied to the POWER connector pins of the engine board (K73 PWB)? +32V: Pin 7, 8, 9, 10
Check the cable connection, or replace the
Is +32V supplied to the HVOLT connector Pin 5 of the engine board (K73 PWB)?
| No | Replace the engine board. |
▼ | Yes | Check the cable connection, or replace the |
• | ||
|
| assembly. Recovered? |
| Yes | End |
▼ | No | Is each ID terminal connected to the contact assembly correctly? (See Figure 6.3.) |
• | ||
| No | Connect the ID terminals with the contact assembly correctly. |
▼ | Yes | Replace the ID unit. |
• |
Notes: 1. When replacing the engine board (K73 PWB), demount the EEPROM chip from the old engine board and remount it on the new one.
2. In case the EEPROM chip is not replaced, see Item (2) in Sec. 6.5.2.
41388601TH Rev.2 | 120 / |
