Philips VR120 Service Manual page 115

10.1.4 Scanner replacement
Removal:
Nylon gloves should be worn when handling the head disc.
Remove the deck from the set/mobo.
Unscrew the three scanner screws on the underside of the
deck.
Pull out the scanner from the top. ( see figure 10-3 )
Top view
Figure 10-3
Installation:
Insert the scanner (with protective cover) carefully from top.
PCB and flex foil to the rear.
Be shure that the scanner is engaged to the referenc pin
located on the chassis.
Turn the tape deck, holding the scanner in the deck by hand
and fix it by use of the tree scanner screws.
Remove carefully the protective cover from top.
After replacing the scanner, carry out the following
adjustments and checks:
Head switching puls.
Writing current adjustment.
Tape path alignment.
Check and adjust if necessary.
10.1.5 A/C Head (Combi head) (Pos. 36)
Remove the fixing spring (A) ( see figure 10-4 )
Remove the fixing screw and replace the A/C head.
Use a new fixing spring (included with new A/Chead) for
reassembly.
After the A/C head has been replaced, all adjustments
described in paragraph "A/C Combi head" and paragraph
10.2.2 have to be carried out.
height screw
azimut screw
Figure 10-4
Scanner screws
(3 pcs.)
Underside view
tilt screw
fixing screw
A
Tape deck VR120
10.1.6 Threading motor (Pos. 38)
Remove the belt and disconnect the connector plug.
Remove the threading motor from the motor supports ( see
figure 10-5 ).
During reassembly ensure that the threading motor is
correctly located in the front and rear supports.
Figure 10-5
10.1.7 Capstan motor (Pos. 127)
Remove the tape deck.
Remove the belt (pos.126) on the underside;
Remove the three capstan motor fixing screws ( see figure
10-6 ) and withdraw the capstan motor downward from the
drive assy.
The reassembly is carried out in reverse order. Make sure
that the capstan is free of grease.
Figure 10-6
10. GB 115
chassis
capstanmotor