Panasonic NE-2153-2EYG, Service Manual

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Removal of Positive Lock connector
The positive lock connector is a specially designed loose
free connector and you will find this connector in many lead
wire connections. To remove this connector, pull the lead
wire by pressing an extruded lever in the center of recepta-
cle terminal as shown.
7.2. Power relay circuit board
(Relay bracket(U))
NOTE: Be sure to ground any static electric charge built up
on your body, before handling the relay bracket(U).
1. Disconnect all lead wires from relay bracket(U).
2. Remove the relay bracket(U) by removing the bracket
holding screw.
7.3. Digital programmer circuit
board (PCB AU)
NOTE: Please use care in handling the PCB AU to avoid
damage.
1. Disconnect 2 flat cables from PCB AU.
2. Disconnect all of the connector from PCB AU.
3. Remove 2 screws holding PCB AU to detach it from its
mounting bracket.
7.4. LCD board (PCB BU) and
Membrane switch
1. Remove the grounding screw for membrane switch.
2. Disconnect 2 flat cables of membrane switch and PCB
BU from PCB AU.
3. Remove 3 screws holding control panel and detach it
from the unit.
4. Remove 2 screws to detach PCB BU from the control
panel.
5. Detach escutcheon A from escutcheon base by releasing
hooks, and also remove membrane switch from it.