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No. Port Name 21 22 23 24 25 26 ROTARY.SW H.A.SW ENVE.SELECT VIDEO.H.SW A.H.SW A.DEF(H)
I/O
Description
P-OFF P-Save P-FAIL Reset Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low Low
O Output terminal for rotary switch. O Output terminal for HEAD AMP switch. I Input terminal for enverope selection. O Output terminal for video HEAD switch. O Output terminal for FM audio HEAD switch. Audio Mute output terminal for tuner and decoder. O [High]...........During VCR mode is NORMAL PLAY and VV mode. O I/O control to switch IIC bus for LW-programmer. H:IIC bus is connected to AV2. L:IIC bus is not connected to AV2. "PB-(H)"output terminal for AV2 *Details, refer to 21pin control specifications. *The signal output from Pin-8 of 21pin terminal is shown below. Name AVPB-H(L) AVPBM-(H) pin8 High Middle Low L H H Hi-Z Hi-Z L
27
PROG.ON(H)
Low
Low
Low
Low
28
AVPB-H(L)
O
High
High
Low
High
29 30 31 32 33 34 35 36 37 38 39
AVPB-M(H) GND(D) 20MHz.IN 20MHz.OUT +5V(D) 32KHz IN 32KHz OUT NC(VCONT) V EE(L) D REC(H) D.A.REC(H)
O -- GND I I I I Main oscillator input 5V input terminal Sub oscillator input Video Control O Main oscillator output
Low --------------Low Low Low
Low ---
Low ---
Low ---
STOP STOP --STOP STOP ----------Low Low Low --------Low Low Low --------Low Low Low
O Sub oscillator output O Output terminal for switch between EE and VV. O Output terminal for video recording current control. O Control terminal for normal audio recording current. Bias oscillation Control terminal for Linear audio recording current.
40
BIAS(L)
O
D.A.REC(H) BIAS(L)
140mS 140mS
High
Hi-Z
Hi-Z
High
41 42 43 44 45 46 47
FM.MUTE(H) FULL ERASE(L) POWER_KEY POS.SW3 POS.SW2 POS.SW1 POWER OFF(H)
O Output terminal for audio mute control. O Output terminal for control FULL ERASE HEAD. I I I I Input terminal for the unit power button. It switches ON to OFF and/or OFF to ON when down edge is detected. Input terminal for mecha position. Input terminal for mecha position. Input terminal for mecha position.
High Low In In In In High
High Low In In In In High
Low Low In In In In Low
High Low In In In In High
ON/OFF Control terminal for power circuit. O Power off condition: "High" is existed. ("Low" is existed when the mechanism and/or circuit operation is activated.) O I I Output terminal for FIP on/off control signal. ("Low" is existed when the power off condition under the "FIP OFF" setting.) Input terminal for Project 50 serial signal. The oscillation input terminal for OSD dot clock.
48 49 50
FIP(L) P50 IN LC.OSC IN
Not fix High In --In ---
Low In ---
Low In ---