akira CT-21FGS1, Service Manual

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Model No: CT-21FGS1
Version 1.0
B: Pin functions of N161 ( AN7522N )
Pin. Pin name
Signal name
Function
1 VSS VSS GND connection
2 P40 VT VT output
3 P41 EXT-MUTE External Mute Output
4 P42 MUTE Mute Output
5 P43 VOLUME-L Left Volume PWM control
6 P44 VOLUME-R Right Volume PWM control
7 P45 POWER Power control &Check,On=Hi-Z(input),Off=L(outpot)
8 P46 Tone Tone control
9 P47 BAND1 BAND data output1
10 P50 BAND2 BAND data output2
11 P51 SCL1 IIC-BUS SCL1
12 P52 SDA1 IIC-BUS SDA1
13 P53 AFC AFC input
14 P54 AV2 Video mode selection control No.2
15 P55 KEY-IN1 Key input1
16 P56 KEY-IN2 Key input2
17 P60 AC POWER AC POWER ON/OFF
18 P61 SIF3 SIF Output3
19 P62 RF GAIN RF GAIN ON/OFF
20 P63 50/60 50/60Hz Output
21 VSS VSS GND connection
22 P64 R OSD R signal output
23 P65 G OSD G signal output
24 P66 B OSD B signal output
25 P67 Y OSD Y signal output
26 P70 HD OSD HD signal output
27 P71 VD OSD VD signal output
28 P72 OSC1 OSD oscillator connection
29 P73 OSC2 OSD oscillator connection
30 TEST TEST GND connection
31 XIN XIN 8 MHz oscillator connection
32 XOUT XOUT 8 MHz oscillator connection
33 RESET RESET Reset signal input
34 P20 AV1 Video mode selection control No.1
35 P30 REMOTE Remote controller signal input
36 P31 H.SYNC Horizontal sync signal input
37 P34 SCL0 IIC-BUS SCL0
38 P35 SDA0 IIC-BUS SDA0
39 P57 S-ID S-VIDEO Detection
40 P32 SIF1 SIF data output1
41 P33 SIF2 SIF data output2
42 VDD VDD 5V power supply
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