Panasonic UF-490 / UF-4000 / UF-4100 Service Manual ▷ View online
29
(11) Disconnect the PNL Harness on the PNL PC
Board (1004).
(12) 9 Screws (7B).
(13) Remove Sensor PC Board releasing 2 Latch
Hooks.
(14) Release 3 Latch Hooks.
(15) Remove the PNL PC Board Assembly (703).
(15) Remove the PNL PC Board Assembly (703).
(16) Release 2 Latch Hooks.
(17) Remove the LCD Holder (113).
(18) Remove the PNL PCB (703).
(17) Remove the LCD Holder (113).
(18) Remove the PNL PCB (703).
Note: Before installing the new PNL PCB
• Remove the protective plastic film from the LCD.
• Snap off the Sensor PCB from the upper right
• Snap off the Sensor PCB from the upper right
corner of the PNL PCB.
• Snap off the protective connector cover.
(11)
(12)
(12)
(12)
(12)
(15)
(13)
(14)
(16)
(16)
(17)
(18)
30
2.2.4.
SC Plate, Speaker, SC PC Board, Base Plate Assembly, ACI PC Board,
Power Supply Unit
Power Supply Unit
(1) 5 Screws (19).
(2) Remove the SC Plate (603).
(2) Remove the SC Plate (603).
(3) Disconnect the SPK Harness (1005) on the SC
PC Board (CN2).
(4) Remove the Speaker Bracket (611).
(5) Remove the Speaker (612).
(5) Remove the Speaker (612).
(6) Disconnect all Connectors on the SC PC Board.
Note:
CN 4 and 6 (Orange) cannot be removed
(soldered).
Remove CN103 (White) from the Power
Supply Unit.
(soldered).
Remove CN103 (White) from the Power
Supply Unit.
(7) 6 Screws (19) and 2 Screws on Centronics I/F
Connector.
(8) Remove the SC PC Board (701).
Note:
When re-installing the SC PC Board, be
careful of the position of the Sensor
careful of the position of the Sensor
(9) 4 Screws (19).
(10) Remove the Base Plate Assembly (602).
(1)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(7)
(7)
(6)
(6)
(6)
(9)
(10)
(9)
31
(11) Disconnect the ACI Connector on the Power
Unit (CN101).
(12) 1 Screw (35).
(13) Remove the ACI PC Board (707).
(13) Remove the ACI PC Board (707).
(14) Disconnect the HEAT1 Harness on the Power
Supply Unit (CN102).
(15) 4 Screws (62).
(16) Remove the Power Supply Unit (702).
(16) Remove the Power Supply Unit (702).
(11)
(12)
(13)
(14)
(16)
(15)
(15)
32
2.2.5.
Stopper Latch, Upper TX Chassis Assembly, Top Cover, Stopper Latch 2, Lower TX
Chassis Assembly, Stamp Cover, Solenoid Assembly, Scanning Roller Assembly,
Scanning Roller, CIS Assembly, Gear Cover, Gear Shaft, ADF Roller
Chassis Assembly, Stamp Cover, Solenoid Assembly, Scanning Roller Assembly,
Scanning Roller, CIS Assembly, Gear Cover, Gear Shaft, ADF Roller
(1) Open the Upper TX Chassis Assembly (201).
(2) Remove the Stopper Latch (210).
(3) Remove the Upper TX Chassis Assembly
(2) Remove the Stopper Latch (210).
(3) Remove the Upper TX Chassis Assembly
(201).
(4) 2 Silver Screws (B1).
(5) 2 Screws (19).
(6) Remove the Top Cover (117).
(5) 2 Screws (19).
(6) Remove the Top Cover (117).
<Specified Destinations Only>
(7) Open the Lower TX Chassis Assembly (215).
(8) 1 Screw (19).
(9) Remove the Stamp Cover (226).
(8) 1 Screw (19).
(9) Remove the Stamp Cover (226).
(10) 1 Screw (19).
(11) Remove the Stamp Solenoid Assembly (227).
(12) Open the Lower TX Chassis Assembly (215).
(13) Remove the Stopper Latch 2 (237).
(14) Disconnect the CIS Harness (1003).
(15) Remove the Lower TX Chassis Assembly
(13) Remove the Stopper Latch 2 (237).
(14) Disconnect the CIS Harness (1003).
(15) Remove the Lower TX Chassis Assembly
(215).
(1)
(2)
(3)
(4)
(5)
(6)
(5)
(4)
(8)
(9)
(10)
(11)
(12)
(13)
(15)
(14)
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