RCA SelectaVision VideoDisc SFT 100 Service Data page 69

СЕО-1 Аддепдит-2
INSTRUMENT DISASSEMBLY
(continued)
Transducer Assembly Removal
1. Remove 2 each phillips head screws from either side of
transducer assembly cover and remove cover (Fig. 2-5).
Remove transducer actuating spring (Кет 103) by compress-
ing and lifting out of arm.
Unsolder and remove transducer leads. Slide transducer out
to left of arm assembly. Lift up on end of transducer to clear
arm housing and remove transducer from arm assembly.
To reassemble reverse procedure.
REMOVE
SPRING
SLIDE TRANSDUCER
TO LEFT — LIFT UP
AND OUT
Fig. 2-5. — Transducer Removal
Remove
Screw
Turntable Removal
With cabinet top removed and PW 500 circuit board assembly laid
to right side of player proceed to remove turntable in the following
manner (Fig. 2-6).
1. Remove front receiver hold down pad (item 81) by first remov-
ing "C" clip retainer (item 68). Slide hold down pad to left to
free right end, then lift up on right side and slide pad back to
the right to free the left end — remove pad from player.
Remove 2 each phillips flat head screws (item 30) holding
turntable yoke assembly (item 28) in position.
Remove yoke assembly (item 28), spindle cap (item 26), spin-
dle cap washer (item 27), and spindle shaft spring (item 29).
Lift turntable (item 1) up and remove from player. Care is re-
quired in this procedure because the turntable drive belt (item
39) will want to lift up with the turntable.
Fig. 2-6. — Turntable Assembly
Note: When reassembling turntable be certain drive belt is
positioned correctly around lower outer edge of turntable and
turntable drive motor pulley. Also be certaln the drive belt is
positioned correctly in the Belt Guide (item 6) located on the
turntable drive motor assembly (B1).
Turntable Drive Motor Removal
With top cover, pick-up arm assembly, and turntable removed.
1. Remove 3 each hex head screws (Fig. 2-7).
2. Disconnect drive motor assembly (B1) wires Кот PW AC IN
circuit board assembly.
3. Lift drive motor assembly (B1) up and out ог centerplate.
To reassemble reverse procedure.
NOTE: Spring and washer located under motor mount plate DO
NOT LOSE. When replacing motor see Motor Speed Ad-
just page 3-3.
Remove
3 Screws
To Remove
Motor Turntable
Speed
Adjust
Spring
and
Washer
Fig. 2-7. — Turntable Drive Motor Removal
Reduction Gear Assembly Removai
With Pick-Up Arm Assembly removed:
1. Unsolder and remove servo drive motor wires (Fig. 2-8).
2. Remove declutch link from Reduction gear Assembly by first
removing "C" clip retainer (Item 68).
3. Remove 2 each 1/4" hex head screws at rear of reduction gear
assembly. Loosen 2 each 1/4" hex head screws at front of
reduction gear assembly.
4. Slide reduction gear assembly to the rear and remove from
center plate.
To reassemble reverse procedure.
Reduction Gear
й... А
Remove
Loosen 2 1/4"
2 Ча" Hex
Servo
Hex Head Screws
Head Screws
Motor
Fig. 2-8. — Reduction Gear Assembly Removal