创维skyworth 数码5000-2588彩电集成电路实测检修数据微电脑集成电路SKW01-829A2202
引脚 | 符号 | 直流
电压(V) | 对地电阻(kΩ) | 引脚 | 符号 | 直流
电压(V) | 对地电阻(kΩ) | 黑笔地 | 红笔地 | 黑笔地 | 红笔地 | 1 | REMOT | 5 | 7 | 11.5 | 22 | BAND I | 0 | 7.2 | 16 | 2 | AFC | 2.5 | 7 | 16 | 23 | BAND O | 5.15 | 7.2 | 16 | 3 | KEYO | 5.2 | 7 | 14.5 | 24 | AUDIO DEF | 0 | 7.8 | 9.8 | 4 | KEYI | 5.2 | 7 | 14.5 | 25 | COLOR KILLER | 4.98 | 6.8 | 10 | 5 | AVO | 5.16 | 7.5 | 20 | 26 | NC | 0 | 7.2 | 26 | 6 | AVI | 5.16 | 7.4 | 20 | 27 | H-S | 4.5 | 6.5 | 10.5 | 7 | NC | 5.2 | 7 | 20 | 28 | SD | 3.6 | 6.5 | 9.5 | 8 | AFC-MUTE | 0 | 7.2 | 26 | 29 | Y | 0 | 7.2 | 8 | 9 | SURROUND | 5.18 | 7.3 | 24 | 30 | B | 0 | 7.2 | 8 | 10 | NC | 0.2 | 7.2 | 24 | 31 | G | 0 | 7.2 | 8 | 11 | NC | 0.2 | 7.2 | 24 | 32 | R | 0 | 7.2 | 8 | 12 | CM | 0 | 0 | 0 | 33 | BT | 1.7 | 7.2 | 23 | 13 | SYNC | 2.6 | 7.2 | 12 | 34 | RESET | 5.15 | 6.8 | 10 | 14 | VOL | 0.65 | 6.5 | 7.5 | 35 | V-S | 4.2 | 7.2 | 15 | 15 | BASS | 0.11 | 6.5 | 7.5 | 36 | FACTORY | 4 | 7.2 | 21 | 16 | TREBLE | 0.2 | 6.5 | 7.5 | 37 | SCL | 4.2 | 6 | 12 | 17 | BAL | 0.39 | 7 | 7.5 | 38 | SDA | 4.2 | 6 | 12 | 18 | WOOFER | 0.13 | 6.5 | ∞ | 39 | VDD | 5.2 | 4.5 | 7.2 | 19 | 3.58/4.43 | 0.01 | 7.5 | 13.5 | 40 | OCS1 | 2.3 | 7.5 | 26 | 20 | 50/60Hz | 5.15 | 7 | 17.5 | 41 | OCS2 | 2.3 | 7.5 | 26 | 21 | POWER | 5.15 | 7.2 | 19 | 42 | GND | 0 | 0 | 0 |
音频功放TA8211AH
引脚 | 符号 | 直流
电压(V) | 对地电阻(kΩ) | 黑笔地 | 红笔地 | 1 | FEED | 1.98 | 6.7 | 8.5 | 2 | IN | 2.11 | 6.5 | 9 | 3 | GND | 0 | 0 | 0 | 4 | IN | 2.11 | 6.5 | 9 | 5 | FEED | 1.98 | 6.8 | 8.5 | 6 | -IN | 2.1 | 5.8 | 8 | 7 | OUT | 13 | 2 | 2 | 8 | VCC | 27 | 0.35 | 3.2 | 9 | VCAP | 2.13 | 6 | 8 | 10 | GND | 0 | 0 | 0 | 11 | -IN | 2.1 | 5.8 | 8 | 12 | OUT | 13 | 2 | 2 |
|