Sony DNW-A100 Maintenance Manual page 313

6. Threading Motor Removal
(1) Loosen the set screw of the M gear.
(2) Remove the two screws fixing the motor.
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Take care that the screwdriver does not strike
against the M gear.
(3) Remove the motor. (The M gear can also be
removed simultaneously.)
7. CCM-15 Board Removal
Unsolder and remove the CCM-15 board.
Installation
8. CCM-15 Board Mounting
Pass the pins of the threading motor through the
CCM-15 board and solder them.
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Solder so that no clearance exists between the
motor and CCM-15 board.
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
5-19. Gear Box Assembly and Threading Motor Replacement
Soldering positions
Set screw
Screw
(B3 x 4)
M gear
Threading Motor Removal
Threading motor
Terminal with
positive polarity
CCM-15 Board Mounting
CCM-15 board
Threading motor
Screw (B3 x 4)
Terminal with
negative polarity
CCM-15 board
_ marking
+ marking
5-129