LDA MIN_np DiY stereo audio amplifier kit assembly instructions

General assembly advice

Recommended transformer: See PS1Sc assembly instructions.

No PCB is supplied for the mains/line voltage input/distribution and you must build a 12...15VAC @ 120mA, min. 40 mA power supply (e.g. a small transformer) for the SPRS protection board.

Assembly instructions of kit components

LDA172mc assembly instructions

PS1Sc assembly instructions

SPRSc assembly instructions

List of connections between boards

PS1S - LDA172

PS1S

LDA172

Connection type

Remarks

J95/J96(+VCC)

J9(+VCC)

solder - solder

cable min. 0,5 mm2

J97/J100(PGND)

J13(PGND)

solder - solder

cable min. 0,35 mm2

J98/J101(ZGND)

J11(ZGND)

solder - solder

cable min. 0,35 mm2

J99/J102(GND)

J3(GND)

solder - solder

cable min. 0,25 mm2

J93/J94(-VCC)

J12(-VCC)

solder - solder

cable min. 0,5 mm2

LDA172 - SPRS

LDA172

SPRS

Connection type

Remarks

J10(AOUT)

L IN/R IN

solder - binding post


 

Main page