This post explains for the audio amplifier.
Part Number is D6282.
The function of this semiconductor is Dual 4.6W Audio Power Amplifier.
Manufacturers : ETC, Package : FSIP 12 Type
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Description :
The D6282 is a dual audio power amplifier integrated circuit, built-in temperature overheating protection Road, power adjustment switch. Suitable for portable tape recorders for audio power amplification. The circuit is 12-pin single in-line package.
Features
1. Boot noise is small
2. quiescent current is small; ICCQ = 19mA (typical) (Vcc = 9V, VIN = 0) Soft-edged
3. Built-in thermal protection circuit
4. the best power supply voltage 9V, 12V
5. operating power supply voltage range: Vcc = 6 ~ 15V
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