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1 AFT OUT O The terminal for AFT output and self-adjust output.
2 A OUT O Audio output pin.
3 IF 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 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 R OUT O R signals output.
19 G OUT O G signals output.
20 B OUT O B signals output.
21 ABCL I ABL/ACL control.
22 V RAMP – Connected with cap to make Vertical RAMP signal.
23 V NFB I Input of Vertical sawteeth signal feedback.
24 V OUT O Vertical drive signal output.
25 V AGC – Vertical AGC cap.
26 SCL I I2C bus clock input.
27 SDA I/O I2C bus data input/output.
28 H VCC – VCC of vertical circuit.
29 S-ID/CW OUT I/O SECAM ID input and PAL/NTSC ID output.
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 EW OUT O E-W output. (Not used)
36 D VDD – VDD of digital block.
37 SB YIN I B-Y signals input.
38 SR YIN 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)
42 D GND – GND of digital block.
IC, TB1240AN
Pin No. Pin Name I/O Description