Sony BVH-2000, Operation And Maintenance Manual

Page: 268 / 505

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(4-14-4. Function of TEST-3 Switch S6/CD-17)
TEST-I "E" TEST-3 "0":
Rotating Direction
D7: Direction of capstan rotation
ON: FWD (CW)
OFF: REV (CCW)
D6: Not used.
D5: Direction of timer roller rotation
ON: FWD (CCW)
OFF: REV(CW)
D4: Direction of T reel rotation
ON: FWD (CCW)
REV(CW)
D3: Direction of S reel rotation
ON: FWD (CCW)
OFF: REV(CW)
D2: Not used.
DI: Not used.
DO: Not used.
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TEST-I "E"
&
TEST-3 "I":
Not used.
TEST-l "E"
&
TEST-3 "2":
Not used.
TEST-l "E"
&
"3":
Not used.
TEST-l "E"
&
TEST-3 "4":
Not used.
TEST-l "E"
&
TEST-3 "5":
Alarm
D7: Servo board insertion error
D7 will light up if the SV/RL/CD/RL board in the card
rack is not correctly inserted, or if the connection or
contact between the
CNRA/DNTT
board in the tape
transport and the harness connector is defective, and the
VTR will be forcibly goes into the stop mode.
D6: Motor overheat
D6 lights up when the drum, capstan, S reel and T reel
motors
overheat (temperature inside motor rises to
approx. 1 and the will be goes into the
stop mode.
D5: Hardware error
D5 will light up if one of the following errors is detected,
and the VTR will be forcibly goes into the stop mode.
1.
Servo board installation error (see explanation ofD7)
2. Motor overheat (see explanation of D6)
3. Power supply (+12V, +5V, -12V) used in
servo system are abnormal.
4. Abnormal S or T tension
5. Drum, capstan, S reel or T reel motor FG is
abnormal.
D4: Not used.
D3: Reel motor temperature rise alarm
lights up when the temperature inside the S or side
reel motor increases approx. 90°C, and the acceleration
and deceleration
time of the reel will become about twice
the normal.
D2
D
I"
Movable guide motion display
D2 Dl
STATE OF MOVABLE GUIDE
ON ON
UNDER OPEN
or
CLOSE
ON
OFF CLOSE
OFF ON
OPEN
DO: Tape sensor operation display
DO lights up when the tape is wound up on
the S or T reel, or when the tape is not correctly threaded
through
the tape sensor. In this case, the VTR will be
forcibly into the STOP mode, and the error
message "TAPE OUT" will be displayed on the control
panel type 2 or 3.
TEST-3 "6"
D7: Not used.
D6: Not used.
Mini tension arm onerauon
ON:
When the arm does not operate
The arm will not operate in the PLAY, REC or
more than ±3 x normal SHUTTLE.
OFF: When arm operates
The arm will operate in the VAR, JOG or less than
±3 x normal SHUTTLE, and. the tape tension will
be maintained
constant.
D4: Threading motor operation display
OFF: When the motor operates
D4 will turn offwhen the threading motor is driven
and movable guide is opening and closing.
ON: When the motor does not operate
D3: Pinch roller operation display
OFF: D3 will turn off after the pinch solenoid is driven
and the pinch roller is pressed against the capstan.
ON: D3 lights up when the pinch roller is released.
D2: Reel brake display
ON: Reel brake drive (drum stopping)
The reel brake will be driven when the drum stops.
Also, if the power is carelessly turned off during
'V'1J', ............. VJl ...
the brake solenoid will be reset, and the
reel brake will be applied to protect the tape.
OFF: Reel brake release (drum rotating)
D 1: IP roller motor display
OFF: When the motor operates
The IP roller will become free after the pinch roller
is pressed against the capstan in the PLAY mode,
and will be driven when the machine runs more
than ± 1/2 normal speed.
ON: When IP roller is free
The IP roller will be free.
DO: Head hours meter operation display
ON: When the drum is stopping
OFF: When the drum is rotating
4-60 BVH-2000(U/C)/PS/PM
BVH-2180(U/C)/PS/PM