Hitachi VIV-E553LE - Page 21

3. METHOD FOR MANUAL UNLOADING
CAUTION :
Perform this procedure for emergency only when
normal unloading is not possible because the
electrical circuits or loading motor is defective.
(1) Open the LCD monitor. (See Figs. 3-1, 3-2)
[Or, remove the LCD block, referring to Fig. 2-1.]
(2) Lift the top cover at the right side (near the section of
the arrow), to provide a gap. (See Fig. 3-1)
(3) Insert a flat-bladed screwdriver into section (A), and
jump the plate spring to release the top cover in the
direction of the arrow. (See Figs. 3-1, 3-2)
(4) Remove the right case block. (See Fig. 2-2)
(5) Disconnect connector (CN905) from PG905 on the VCA
board, and short pins 1 and 2 of PG905. (See Fig. 3-3)
(6) Disconnect connector (CN604) from PG604 on the VCA
board, and supply 4V DC to CN604 (directly to the
loading motor), by connecting the positive terminal to
brown wire, and negative terminal to the red wire, for
unloading.
Notes: 1. If tape is loaded, also turn the capstan motor
manually to take up the tape.
2. Connecting CN604 red wire (+) and brown wire
(-) results in loading.
TOP COVER PLATE
SPRING
TOP COVER
CASSETTE EJECT
LID BUTTON
LCD
MONITOR
Fig. 3-1
FLAT-BLADED TOP
SCREW COVER
DRIVER
LCD CASSETTE
MONITOR LID
Fig. 3-2
VCA CIRCUIT
BOARD
CN604
E2-7