Aiwa TV-FA2500, Руководство по обслуживанию

Страница: 30 / 61

– 30 –
Pin No. Pin Name I/O Description
1 AFT-OUT O The terminal for AFT output and self-adjust out.
2 A-DE-EN O Audio output pin.
3 VCC – Vcc of PIF circuit.
4 SIF IN I SIF input pin. (Not used)
5 IF GND – GND of PIF circuit.
6 IF IN I IF signal input.
7 IF IN I IF signal input.
8 RF AGC O RF AGC output.
9 IF AGC – The terminal to be connected with an IF AGC filter.
10 APC-FIL – APC filter of chroma for demodulation.
11 4.43 XTAL I 4.43MHz crystal oscillator.
12 Y/C GND – GND of Y/C circuit.
13 YS/YM I The terminal for switching of analog RGB mode and fast half tone.
14 R IN I Analog red signals input.
15 G IN I Analog green signals input.
16 B IN I Analog blue signals input.
17 RGB VCC – Vcc of RGB circuit.
18 ROUT O R signals output.
19 GOUT O G signals outout.
20 BOUT O B signals output.
21 ABL I ABL control.
22 V-RAMP – Connected with cap to make V.RAMP signal.
23 V-NFB I Input of V.sawteeth signal feedback.
24 V-OUT O Vertical drive signal output.
25 V-AGC – V.AGC cap.
26 SCL I I
2
C bus clock input.
27 SDA I/O I 2 C bus data input/output.
28 H-VCC – Vcc of vertical circuit.
29 S-ID/CW-OUT I/O PAL/NTSC ID output and SECAM ID input.
30 FBP-IN I FBP input.
31 SYNC-OUT O Composites sync output.
32 H-OUT O Horizontal drive signal output.
33 DEF-GND – GND of deflection circuit.
34 SCP-OUT O Sand castle pulse (VD+HD+GP) output.
35 E/W-OUT O E-W output.
36 DIG-VCC – VDD of digital block.
37 B-Y.IN I B-Y signals input.
38 R-Y.IN I R-Y signals input.
39 Y-IN I Y signal input.
40 H-AFC – H.AFC filter.
41 EHT-IN I The terminal for EHT. (Not used)
IC, TB1240AN AJE-H