Removing The Drv Board; Removing The Tpu Carriage Unit - Epson Perfection V500 Photo Service Manual

EPSON Perfection V500 Photo

4.2.14 Removing the DRV Board

1. Remove the TPU Lower Housing.
2. Remove the two C.B.P. M3 x 8 screws that secure the DRV Board Cover and
remove the ground to remove the DRV Board Cover.
CN2 CN4
Ground DRV Board Cover
CN1
Figure 4-35. Removing the DRV Board
3. Disconnect the all connectors on the DRV Board and remove the DRV Board.
CN1: TPU Unit Cable
CN2: TPU Motor Connector
CN4: Sensor
CN3: DRV Inverter FFC
DISASSEMBLY / ASSEMBLY
See Section 4.2.10 on page 43.
C.B.P. 3 x 8
CN3

4.2.15 Removing the TPU Carriage Unit

1. Remove the TPU Lower Housing.
When performing the procedure given below, be careful not to lose
C A U T I O N
the three torsion springs that apply tension to the TPU CR Timing
Belt.
2. Move the TPU Carriage Unit to the center of the TPU.
3. Remove the TPU CR Timing Belt from the TPU Driven Pulley.
4. Remove the torsion spring.
TPU Carriage Unit
TPU Driven Pulley
Figure 4-36. Removing the TPU CR Timing Belt
Disassembly Procedure
See Section 4.2.13 on page 45.
Torsion Spring
TPU CR Timing Belt
Revision A
46