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TX-21811/1C-2151F
BP SLSSALSESSI:
SHUT DOWN
CIRCUIT TEST
This test must be made as a final check before the set is returned to the customer.
1.
2.
Receive the Phillips pattern.
Check that the shut-down circuit functions when —60V is applied to TPE40, but does not function when —40V is applied.
Location Of Controls
RED CUTOFF R364
GREEN DRIVE R357
GREEN CUTOFF R362
RED DRIVE R358
BLUE CUTOFF R369
H.WIDTH L552
SUB GLR R607
TEXT CONTRAST
H. CENT R502
R3515
R.FAGC R109
V. CENTRE $451
SERVICE SWITCH
$301
SUB CONT
SUB BRT
V. HEIGHT R465
Fig. 2
R316
(R306)
How to move the chassis into the Service position
1.
2.
Hold and lift the rear of the E— PCB chassis and gently pull the chassis toward you.
Release the respective wiring clips and rotate the chassis clockwise.
For the 21" model,
OR
b)
Slidethe lower edge ofthe chassis into the power cable holder case whilstslidingthe upperedge ofthe board into the chassis
holding rib.
For the 14" model
After servicing ensure all wiring is returned to its original position before returning the receiver to the customer.
21S1 SERIES
14S1 SERIES
Chassis
Chassis
Holding
Rib
E
PC.B.
Power cable
Rail
holder case
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