POWER SUPPLY DURING REPAIRS
In this unit, about 10 seconds after power is supplied
(8.4V) to the battery terminal using the service power cord (J-6082-223-A), the
power is shut off so that the unit cannot operate. This following two methods is available to prevent this. Take
note of which to use during repairs.
Method 1.
Connect the servicing remote commander RM-95 (J-6082-053-B)
to the LANC jack, and set the remote commander switch to the “ADJ” side.
Method 2.
Use the DC IN terminal. (Use the AC power adapter.)
TO TAKE OUT A CASSETTE WHEN NOT EJECT (FORCE EJECT)
- Remove the front panel block assembly.
- Remove the cabinet (R) block assembly.
- Remove the cassette lid assembly.
- Remove the battery panel block assembly.
- Remove the cabinet (L) assembly.
- Disconnect CN974 of VC-234 board.
- Add +5V from the DC POWER SUPPLY and unload with a pressing the cassette compartment.
- Pull the timing belt in the direction of arrow [A] with a pincette while pressing the cassette compartment (take care not to damage) to adjust the bending of a tape.
- Let go your hold the cassette compartment and raise the cassette compartment to take out a cassette.
CLICK ON THE PICTURES TO ZOOM IN
Self-diagnosis Function
When problems occur while the unit is operating, the
self-diagnosis function starts working, and displays on the viewfinder or
Display window what to do. This function consists of two display; self-diagnosis
display and service mode display. Details
of the self-diagnosis functions are provided in the Instruction manual.
Self-diagnosis Display
When problems occur while the unit is operating, the counter
of the viewfinder or Display window shows a 4-digit display consisting of an
alphabet and numbers, which blinks at 3.2 Hz. This 5-character display indicates
the “repaired by:”, “block” in which the problem occurred, and “detailed code”
of the problem.
Service Mode Display
The service mode display shows up to six self-diagnosis
codes shown in the past.
Display Method
While pressing the “STOP” key, set the switch from OFF to
“VTR or PLAYER”, and continue pressing the “STOP” key for 5 seconds continuously.
The service mode will be displayed, and the counter will show the backup No. and
the 5-character self-diagnosis codes.
Switching of Backup No.
By rotating the control dial, past self-diagnosis codes will
be shown in order. The backup No. in the [] indicates the order in which the problem
occurred. (If the number of problems, which occurred, is less than 6, only the
number of problems, which occurred, will be shown.)
[1] : Occurred first time
[2] : Occurred second time
[3] : Occurred third time
[4] : Occurred fourth time
[5] : Occurred fifth time
[6] : Occurred the last time
End of Display
Turning OFF the power supply will end the service mode
display. Note: The “self-diagnosis
display” data will be backed up by the coin-type lithium battery (CF-66/67
board BH001). When this coin-type lithium battery is disconnected, the “self-diagnosis
display” data will be lost by initialization.
Self-diagnosis Code Table
