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Chapter 4: Installation 2 1 SPLITTER ZONE OUTPUTS (POWER LIMITED) - + - + - + - + - + - + AUD IN 24VDC Z2 Z1 Z3 + Z4 - AUD IN 24VDC POWER POWER TROUBLE TROUBLE ZONE 1 ZONE 1 ZONE 2 ZONE 2 ZONE 3 ZONE 3 ZONE 4 ZONE 4 - + - + - + - + - + Z1 Z2 Z3 Z4 3 G N TB1 _ NO L BR1 NC + _DC IN D15 TB1 _ N N + _ 24V OUT L L + _ EXP OUT L + _ 24V OUT D87 EXP OPEN D100 GF 2 AC LINE (NONPOWER LIMITED) IN GND L N L + E1 TB1 TB2 _ + 2 N OUT D113 EXP OUT 1 SPLITTER ZONE OUTPUTS (POWER LIMITED) + N D78 EXP SHORT D79 NC NO NCNO COM COM IN + AUD2 OUT _ JP1 TB8 OUT + AUD2 OUT _ D77 AMP SW1 TRB AUDIO OUTPUTS W/O SPLITTERS (POWER LIMITED) 70V 25V D73 TRB AUX TRB + AUX IN _ AUX + _ RET AUD LIM J3 AC TRB JP10 .... J2 . . AUDIO IN + AUDIO IN_ + AUDIO RET _ .. .. .. .. D51 JP7 1V 25V 70V N NC NO TB2 AUD1 LIM L ACTRB NO COM AUDIO INPUT (POWER LIMITED) BAT TRB N D49 TB2 L D27 J5 JP4 JP5 SW4 NC + _BAT TB4 GND JP8 DC O E1 J1B CHG TRB 25V 70V D16 AUDIO OUT AUD2 OPEN D18 AUD2 SHORT D21 AUD1 SHORT D25 AUD1 OPEN D30 .. .. COM + D11 AC - + - + - + - + - + - AUD IN Z2 Z3 + Z4 - 24VDC + - + - + - + - + - AUD IN Z1 Z2 Z3 Z4 _ Z1 BR1 + 24VDC POWER POWER TROUBLE TROUBLE ZONE 1 ZONE 1 ZONE 2 ZONE 2 ZONE 3 ZONE 3 ZONE 4 ZONE 4 BATTERY WIRING (NON-POWER LIMITED) 3 G N TB1 NO L NC D11 AC + _DC IN J1B CHG TRB 25V 70V D16 AUDIO OUT AUD2 OPEN D18 AUD2 SHORT D21 AUD1 SHORT D25 AUD1 OPEN D30 .. .. AUDIO OUTPUTS W/O SPLITTERS (POWER LIMITED) JP8 DC O D15 D27 ACTRB NO COM NC NO . . J2 .... AUDIO IN AUD LIM J3 AC TRB 70V 25V + A _ UD2 OUT + AUD2 OUT _ D73 TRB AUX TRB JP1 D79 SW1 + AUX IN _ TRB AUX + _ RET .. .. .. .. D51 JP10 1V 25V 70V + AUDIO IN_ + AUDIO RET _ BAT TRB JP7 TB2 AUDIO RETURN (POWER LIMITED) D49 TB8 NC NO NCNO COM COM AUD1 LIM J5 JP4 JP5 SW4 COM NC + _BAT TB4 2 D78 EXP SHORT D77 AMP + _ 24V OUT D87 EXP OPEN D100 GF + _ 24V OUT + _ EXP OUT D113 EXP OUT Battery #4 Battery #1 1 2 3 Battery #2 Battery #3 PLACE AUD1 AND AUD2 WIRE RUN AT LEAST 1/4" FROM THE 24vdc WIRE RUN. PLACE WIRE RUN AT LEAST 1/4" ABOVE THE TOP OF THE CIRCUIT BOARD. 24VDC IS NON-POWER LIMITED. PLACE WIRE RUN UNDER SPLITTER CIRCUIT BOARD. Figure 4-27 Proper Wiring for SPB-320 with and without SPLITTERS Series SPB Audio Boosters Manual, Revision A 4-36
