JVC HR-XVC20US - IC Descriptions

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IC DESCRIPTIONS
VCR/DVD PCB OEC0132A (IC3001)
No. PORT PIN NAME I/O DESCRIPRION
1 SVSS SVSS - Ground.
2 CTL_REF CTL_REF Output terminal for CTL amp REF (1/2 SVCC)
3 CTL-H(+) CTL-H(+) Input and output terminal of Control Head.
4 CTL-H(-) CTL-H(-) Input terminal of Control Head.
5 CTL_BIAS CTL_BIAS Output terminal for bias.
6 CTL_FB CTL_FB Input terminal for CTL feedback
7 CTL_AMP(O) CTL_AMP(O) Output terminal for amp out.
8 CTL_AMP(I) CTL_AMP(I) Input terminal for CTL shumit amp .
9 CFG CFG Input terminal for CAPSTAN FG signal detection.
10 SVCC SVCC + 5V (Servo)
11 AFC_PC AFC_PC AFC oscilator (external circuit).
12 AFC_OSC AFC_OSC AFC oscilator (external circuit).
13 AFC_LPF AFC_LPF LPF connection for AFC OSC.
14 CSYN/HSYN CSYNC OUT Output terminal for composite SYNC.
15 VLPF/VSYN VSYNC IN Input terminal for composite SYNC.(from 14pin)
16 CV_IN2 CV_IN2 IN Composite Video input terminal.(for data slicer)
17 CV_IN1 CV_IN1 IN Composite Video input terminal.(for OSD)
18 OSD VCC OSDVCC - + 5V
19 CV_OUT CV_OUT OUT Composite Video output.(with OSD)
20 OSD_VSS OSD_VSS - Ground.
21 4/2 FSC_OUT 4/2 FSC_OUT OUT 4 FSC pulse.
22 4/2 FSC_IN 4/2 FSC_IN IN 4 FSC pulse.
23 AVSS AVSS - Ground.
24 AN-B VIDEO_ENV IN Input terminal of video RF envelope.
25 AN-A BOT-H IN Tape start sensor input signal.
26 AN-9 EOT-H IN Tape end sensor input signal.
27 AN8 MS_SEN-B IN Input terminal of mecha state sensor.
28 P07/AN7 MS_SEN-A IN
29 P06/AN6 KEY-B IN Main unit key input.
30 P05/AN5 KEY-A IN
31 P04/AN4 STEREO_SEL IN Input terminal for the judgement of voice reception condition.
32 P03/AN3 HI-FI_ENV IN Input terminal of HiFi RF envelope.
33 P02/AN2 AFT-S_CURVE IN AFT S CURVE input for tuner.
34 P01/AN1 SERVICE IN Input terminal for Service Mode.
35 P00/AN0 TAB SW IN Input terminal for judge the tape if it has TAB or not.
36 AVCC AVCC - ON/OFF control Micon AD section.
37 P10/IRQ0 POWER_FAIL IN Input terminal of Power fail signal.
38 P11/IRQ1 VIDEO MUTE H OUT H for at AUTO_CLOCK in POWER OFF.
39 P12/IRQ2 POWER ON L OUT For control the user power switch ON/OFF.