Sony HDW-F500 Maintenance Manual page 140

4-3. Maintenance Menu
4-3-2. SERVO SYSTEM Check
[F8] (CASSTT COMP) Key :
Performs checking to the operation of cassette compart-
ment motor and to the function of cassette down sensor.
(1) Press [F8] key from SERVO CHECK menu to enter
to CASSETTE COMP menu.
(2) Press and keys.
Check that the cassette compartment moves to its
down position. Also check that the indication on the
portion marked with (*1) of the display changes as
illustrated below at every press of the keys.
UP → HORIZ. → VERT. → DOWN
(3) Press and keys again.
Check that the cassette compartment moves to its up
position.
Also check that the indication on the portion marked
with (*1) of the display changes as illustrated below at
every press of the keys.
DOWN → VERT. → HORIZ. → UP
If the cassette compartment motor does not rotate, check
the following:
• Check the cassette compartment motor.
• Check the motor driver circuit located on DR-307
board.
If the indication does not change although the cassette
compartment normally moves up and down, check the
following:
• Check the cassette down sensor.
• Check the sensor input circuit (DR-307 board).
n
If exit CASSTT COMP menu while the cassette compart-
ment is not on the up position, the cassette compartment
automatically returns to up position.
4-24
CH.COND
C A S S T T
S W
SERV O CH ECK
C A S S T T
C M P S W C ASSE TTE C OMP
PU SH T HE U P/DOW N CU RSOR BUT T ON
T P / E N D
DOWN
S N S R
(*1 )
D E W
S N S R
S R E E L T R E E L T H R E A D C A S S T T
M O T O R M O T O R M O T O R C O M P
S ERVO CHEC K
T CR 0 0:00 :00:0 0
C A P S T N E X I T
M O T O R
HDW-F500E MMP1