Pioneer DV-PT100-S, Руководство по обслуживанию

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DV-PT100-S
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7.10 IC INFORMATIONS
Pin Function
I54F50147A (OEC01474A) (VCR PCB ASSY : IC3001)
• System Controller / Timers / Servo IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
List of IC
I54F50147A (OEC01474A)
No. Port Name Pin Name I/O Pin Function
1 SVSS SVSS
−
Ground.
2 CTL_REF CTL_REF O Output terminal for CTL amp REF (1/2 SVCC)
3 CTL-H(+) CTL-H(+) I Input and output terminal of Control Head.
4 CTL-H(-) CTL-H(-) I Input terminal of Control Head.
5 CTL_BIAS CTL_BIAS O Output terminal for bias.
6 CTL_FB CTL_FB I Input terminal for CTL feedback
7 CTL_AMP(O) CTL_AMP(O) O Output terminal for amp out.
8 CTL_AMP(I) CTL_AMP(I) I Input terminal for CTL schmitt amp .
9 CFG CFG I Input terminal for CAPSTAN FG signal detection.
10 SVCC SVCC
−
+ 5V (Servo)
11 AFC_PC AFC_PC
−
AFC oscillator (external circuit).
12 AFC_OSC AFC_OSC
−
AFC oscillator (external circuit).
13 AFC_LPF AFC_LPF
−
LPF connection for AFC OSC.
14 CSYN/HSYN CSYNC O Output terminal for composite SYNC.
15 VLPF/VSYN VSYNC I Input terminal for composite SYNC.(from 14pin)
16 CV_IN2 CV_IN2 I Composite Video input terminal.(for data slicer)
17 CV_IN1 CV_IN1 I Composite Video input terminal.(for OSD)
18 OSD VCC OSDVCC
−
+ 5V
19 CV_OUT CV_OUT O Composite Video output.(with OSD)
20 OSD_VSS OSD_VSS
−
Ground.
21 4/2 FSC_OUT 4/2 FSC_OUT O 4 FSC pulse.
22 4/2 FSC_IN 4/2 FSC_IN I 4 FSC pulse.
23 AVSS AVSS
−
Ground.
24 AN-B VIDEO_ENV I Input terminal of video RF envelope.
25 AN-A BOT-H I Tape start sensor input signal.
26 AN-9 EOT-H I Tape end sensor input signal.
27 AN8 MS_SEN-B I Input terminal of mecha state sensor.
Input terminal of mecha state sensor. 28 P07/AN7 MS_SEN-A I
29 P06/AN6 KEY-B I Main unit key input.
Main unit key input. 30 P05/AN5 KEY-A I
31 P04/AN4 STEREO_SEL I Input terminal for the judgement of voice reception condition.
32 P03/AN3 HI-FI_ENV I Input terminal of Hi-Fi RF envelope.
33 P02/AN2 AFT-S_CURVE I AFT S CURVE input for tuner.
34 P01/AN1 PG I Not used.
35 P00/AN0 TAB SW I 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 I Input terminal of Power fail signal.
38 P11/IRQ1 NC O Not used.
39 P12/IRQ2 SYNC DET I Input terminal for judgement of Sync Detector
40 P13/IRQ3 VIDEO MUTE H O H for at AUTO_CLOCK in POWER OFF.
41 P14/IRQ4 POWER ON L O For control the user power switch ON/OFF.
42 P15/IRQ5 REEL T I Input terminal of reel sensor take up.
43 P16/IC REM_IN I Receive the remote control signal.
44 P17/TMOW DVD RESET O For control the DVD RESET.