Epson V500, Service Manual

Page: 46 / 69

EPSON Perfection V500 Photo Revision A
DISASSEMBLY / ASSEMBLY Disassembly Procedure 46
4.2.14 Removing the DRV Board
1. Remove the TPU Lower Housing. See Section 4.2.10 on page 43.
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.
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
4.2.15 Removing the TPU Carriage Unit
1. Remove the TPU Lower Housing. See Section 4.2.13 on page 45.
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.
Figure 4-36. Removing the TPU CR Timing Belt
Ground
CN1
CN4 C.B.P. 3 x 8
CN2
DRV Board Cover
CN3
C A U T I O N
When performing the procedure given below, be careful not to lose
the three torsion springs that apply tension to the TPU CR Timing
Belt.
TPU Driven Pulley
TPU Carriage Unit
TPU CR Timing Belt
Torsion Spring