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夏普SP—42M机芯I2C总线彩电的总线系统主控电路一微处理器ICl001采用IX2505CENl,存储器ICl002型号为IX2448CE,被控集成电路有:解码/行场小信号处理集成电路LX2508、光栅失真校正电路TA8859BP、TV/AV转换集成电路TA8777AN、白平衡调整集成电路TA8889P、伴音处理集成电路UPCI853C等。适用机型:夏普29FNl、25FNl等FN系列彩电。夏普SP—42M机芯主开关电源采用以STR-S6309厚膜电路组成的并联型开关电源,向主板提供120 V和15 V电压,向音频功放电路提供24 V电源;副电源采用T701变压器降压后,向控制系统提供6.4 V、12 V和5 V电源,开/关机通过继电器采用切断主电源市电输入的方式。
Sharp SP-42M core I2C bus color TV bus system main control circuit a microprocessor ICl001 using IX2505CENl, memory ICl002 model IX2448CE, accused of integrated circuits are: decoding / field small signal processing integrated circuit LX2508, grating distortion correction circuit TA8859BP, TV / AV converter integrated circuit TA8777AN, white balance adjustment integrated circuit TA8889P, sound processing integrated circuit UPCI853C and so on. Applicable models: Sharp 29FNl, 25FNl and other FN series color TV. Sharp SP-42M main switching power supply using STR-S6309 thick film circuit composed of parallel switching power supply to the motherboard to provide 120 V and 15 V voltage to the audio amplifier circuit to provide 24 V power supply; secondary power T701 transformer step-down After the control system to provide 6.4 V, 12 V and 5 V power supply, on / off through the main switch off the mains power input.