This post explains for the transistor.
The Part Number is 2SA966.
The function of this semiconductor is 30V, 1.5A, PNP Transistor.
Manufacturer: Toshiba
Preview images :
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Description
The A966 is Silicon PNP Epitaxial Type Transistor.
Features
1. Complementary to 2SC2236 and 3Watts Output Applications […]
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = – 30 V
2. Collector to Emitter Voltage: Vceo = – 30 V
3. Emitter to Base Voltage: Vebo = – 5 V
4. Collector Current: Ic = – 1.5 A
5. Collector Dissipation : Pc = 900 mW
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
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Applications:
1. Audio power amplifier