Aiwa VX-G143 Service Manual page 61

OEC0093B (IC1006)
No. PORT
44 P17
45 P67
46 P66
47 P65
48 P64
49 P63
50 P62
51 P61
52 P60
53 P37
54 P36
55 P35
56 VCC
57 VSS
58 P27
59 SCL0
60 SDA0
61 P24
62 P23
63 SCK1
64 SO1
65 SI1
66 P47
67 P46
68 P45
69 P44
70 P43
71 P42
72 P41
73 P40
74 FWE
75 X2
76 X1
77 /RES
78 OSC1
79 VSS
80 OSC2
81 VCL
82 MD0
83 PWM2
84 P33
85 P32
86 SV2
IC DESCRIPTIONS
PIN NAME I/O
32KHz_MONITOR OUT Not used.
T-REC_LED OUT Output terminal control for T-REC-LED voltage drive.
REC/OTR_LED OUT Output terminal control for REC-LED voltage drive.
ON_TIMER_LED OUT Output terminal control for ON TIMER-LED voltage drive.
PLAY_LED OUT Output terminal control for PLAY-LED voltage drive.
OTPB_LED OUT Output terminal control for OTPB-LED voltage drive.
TV POWER_ON-H OUT For control of the user TV-power switch ON/OFF.
VCR POWER_ON-H OUT For control of the user VCR-power switch ON/OFF.
CENT_LED OUT Output terminal for center LED control.
TAB_SW IN Input terminal for judge the tape if it has TAB or not.
CTL_MONITOR OUT Not used.
MS_SENS_CTL OUT Output terminal to drive sensor control.
VCC — AT +5V.
VSS — Ground.
TRICK_PB-H OUT Special effect playback.(CUE/REVIEW/STILL/SLOW etc)
IIC_CLK_0 OUT Output Clock terminal for I2CBUS communication.
IIC_DATA_0 OUT Output Data terminal for I2CBUS communication.
TEXT RESET OUT Output terminal of reset for TEXT_IC.
SECAM-H OUT Output signal of SECAM or NOT.
AFC OFF-H OUT Output terminal of CHROMA AFC cut or NOT.
SO1 OUT output terminal of FZTAT signal.
SI1 IN input terminal of FZTAT signal.
T'TEXT-H OUT Output terminal of TEXT/MIX mode or TV mode.
LDM_FWD OUT Output signal to control the rotation direction of the loading motor.
LDM_RVS OUT
REEL-S IN Input terminal of reel sensor SUPPLY.
REEL-T IN Input terminal of reel sensor TAKE UP.
CAP_FWD-L OUT Capstan forward and backward command.
CAP_FULL OUT Output the HIGH during the acceleration force of Capstan Motor at SLOW mode.
VV-H OUT Output terminal for select Playback/Recording at the circuit of sound.
FWE IN Input terminal of FZTAT signal( L: low signal input).
X2 OUT Subclock pulse (32.768KHz).
X1 IN Subclock pulse (32.768KHz).
/RES IN RESET will be done when the voltage goes to HIGH after the restart signal.
OSC1 IN Connect the main crystal (10MHz).
VSS — Ground.
OSC2 OUT Connect the main crystal (10MHz).
VCL IN Condenser connection for VCC.
MD0 IN Input terminal of FZTAT signal.
CAP_LIMIT OUT Switch the maximum out put current of the CAPSTAN Motor.
EXT_IN-L IN Input terminal for Compulsion outside input.
- OUT Not used.
STAND_BY-H OUT Output terminal control for STAND BY-LED.
DESCRIPTION
F1-2