Ic Descriptions - Aiwa VX-G143K Service Manual

OEC0078C (IC1006)
No. PORT PIN NAME
1 CTL(+)
2 SVSS
3 CTL(-)
4 CTLBIAS CTLBIAS
5 CTLFB
6 CTLAMP(O) CTLAMP(O)
7 CTLSMT(I) CTLSMT(I)
8 CFG
9 SVCC
10 AVCC
11 AN0 Hi-Fi_ENV
12 AN1
13 AN2
14 AN3 MSSEN_B
15 AN4 MSSEN_A
16 AN5 AFT.S.CURVE
17 AN6
18 AN7
19 AN8 VIDEO_ENV
20 AN9
21 ANA TUNER AGC
22 ANB MESECAM-H
23 AVSS
24 P50 FF/REW-L
25 P51 LDM_RVS
26 P52 LDM_FWD
27 P53 AKB CTL
28 P40 DA RGB SW
29 P41 SECAM-H
30 P42
31 P43
32 P44
33 P45 CAP_MID-H
34 P46 CAP_HI-H
35 P46 TV POWER_ON-H
36 P30 VCR POWER_ON-H OUT For control of the user VCR-power switch ON/OFF.
37 P31
38 P32 CAP_LIMIT3
39 P33
40 P34 PICTURE_CONTROL OUT Not used.
41 P35 CENT_LED
42 P36 CTL_MONITOR

IC DESCRIPTIONS

I/O
CTL(+) I/O Input and output terminal of Control Head.
SVSS — Ground.
CTL(-) I/O Input terminal of Control Head.
IN Input terminal for Control Bias.
CTLFB IN Input terminal for Control Feedback.
OUT Output terminal for Control Amp Output.
IN Input terminal for Control SMT Input.
CFG IN Input terminal for Capstan FG input.
SVCC — P.CON +5 V.
AVCC — AT +5 V.
IN Input terminal of HIFI sound envelope signal.
KEY_A IN Main unit key input.
KEY_B IN
IN Input terminal of mecha state sensor.
IN
IN AFT S.CURVE input for tuner.
EOT IN Tape end sensor input signal.
BOT IN Tape start sensor input signal.
IN Input terminal of Video RF envelope.
DEW IN Input terminal of Dew sensor
IN Input terminal of Electric field strength for Auto setup.
IN Input terminal of MESECAM or NOT
AVSS — Ground.
OUT Not used.
OUT Output signal to control the rotation direction of the loading motor.
OUT
OUT Output signal to Adjustment of AKB WHITE
OUT Output signal to cut of RGB sync
OUT Output signal of SECAM or NOT
- — Not used.
REEL-T IN Input terminal of reel sensor TAKE UP.
REEL-S IN Input terminal of reel sensor SUPPLY.
OUT Output terminal for capstan speed medium.
OUT Output terminal for capstan speed high.
OUT For control of the user TV-power switch ON/OFF.
VV-H OUT Output terminal for select Playback/Recording at the circuit of sound.
OUT Switch the maximum out put current of the CAPSTAN Motor
IIC OFF IN Input signal to Communications of all the terminals are cut(for Factory adjustment)
OUT Output terminal for center LED control.
OUT Output terminal for control Monitor.
DESCRIPTION
F1-1