Hitachi VIV-E553LE - Page 103

O | (Pulse)
| S.EDIT{[Lo]
Pin | I/O Active | Abbreviation | Function
No. Level
C.SPEED
CFG
V-DET[Lo]
32MHz TX OUT
GND
Vdd 3V power input.
D.STANDBY
PR.CONT
onl Pulse) | HD Artificial H. sync signal output.
ADDV+
SQUELCH
LCD-HOLD
AUDIO30(25
100} O | Hi FE CONT Flying erase head oscillation control output .
Cylinder FG (CYL. FG) pulse input. Controls the cylinder speed during recording
and playback.
Capstan FG (CAPST.FG) pulse input. Used for counting of the linear time counter
and recording restart control (assemble recording).
Loading motor drive outputs.
Activates communications with IC904 (CHARA. GEN.).
Cylinder servo control outputs.
Capstan servo control outputs.
Capstan FG (CAPST.FG) pulse input. Used for counting of the linear time counter
and recording restart control (assemble recording).
Inputs whether a battery is attached or not. "Lo" is input when the battery is
detached, to shift the microprocessor to the backup mode in which the data is saved
Table-top VCR mode control output. The operation mode of the VCR connected
to JK200 (AV JACK) is controlled remotely using the pause switch.
For data communications with IC904 (CHARA. GEN.) and IC401 (AUDIO PROCESS
For Stereo)).
Rapid audio fading output. Outputs "Hi" when fading is started to fade the audio
signal in rapidly.
Battery serial time detection input.
Remote operation signal input from the infrared receiver and AV Jack (pin 12 of
JK200
Generate 32kHz sub-clock pulses.
Ground.
Not used. Open.
Capstan motor reversing control output.
Output to control the video processor during recording.
ut to control the video processor mode. Goes "Hi" during playback.
Cylinder motor start auxiliary output. Outputs "Hi" for 50 ms when the motor
is started in the forward rotation direction.
Preamp activation signal. Outputs"Hi" during playback to activate the preamp.
Artificial V. syne signal + video muting signal output.
Controls the LCD control circuit operation mode.
Outputs switching pulses to IC401 (AUDIO PROCESS).