Replacement method for a Board Assy and notes on replacement
Preparation
Place a cushion on the workbench and set the module to be repaired on it.
Note: With the glass surface facing downward, be sure that the entire glass surface is
against the cushion.
Common Branch
PKG (upper): One
connector
Common board:
10 connectors
Flat cable
(longitudinal type)
Flat cable
(horizontal type 1)
Flat cable
(horizontal type 2)
Cable type
Digital PKG: 8
connectors
Scanning PKG:
8 connectors
Common Branch
PKG (lower): One
connector
Signal Relay PKG (upper
left): 7 connectors
Signal Relay PKG (upper
center): 10 connectors
Signal Relay PKG
(upper right): 8 connectors
Signal Relay PKG
(lower right): 8 connectors
Signal Relay PKG (lower
center): 10 connectors
Signal Relay PKG (lower
left): 8 connectors
Scanning Relay PKG
(upper): 5 connectors
Scanning Relay PKG
(lower): 5 connectors
Disconnection of connectors and cables
Disconnect all the connectors on the PKG to be repaired.
(When a Signal Relay PKG is to be removed, remove the heat sink beforehand.)
Recovery Relay PKG
Lock.
Lock.
Lock.
Lock.
Unlock.
Unlock.
Unlock.
Unlock.
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