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Summary of Contents for Alto X-P234
- Page 1 Service Manual Model: X-P234 (2,3- WAY STEREO 4-WAY MONO ACTIVE CROSSOVER www.altoproaudio.com Version: 1.1...
- Page 2 CONTENTS 1. Specification 2. Block Diagram 3. Schematic Diagram 4. Printed Circuit Board 5. Wiring Diagram 6. Test Procedure 7. Electrical Parts List 8. Exploded Views & Mechanical Parts List 9. Notes...
- Page 3 1. SPECIFICATION (X-P234) INPUT Connectors Type Electronically servo-balanced, RF filtered Impedance Balanced >50K Ohms, unbalanced >25K Ohms Max. Input Level +22dBu typical, balanced or unbalanced CMRR >40dB, typically > 55 dB at 1 KHz OUTPUT Connectors Type Electronically servo-balanced, RF filtered...
- Page 4 CONTROLS Input Controls the input gain(+/-12dB) Xover Frequency Controls the crossover frequency Delay Controls the delay at the low output(0 to 2 msec.) Gain Controls the output gain(+/-6dB) Threshold Controls the threshold of the limiter (-6dB to OFF) POWER SUPPLY Connector type 3-pole IEC, grounded Type...
- Page 5 2.Block Diagram...
- Page 6 BAS16 47uF -15V 47UF/25V LED9 TO CN1-1 IC8B IC5B 560K TL074 2068 10KB 4K99 6K34 560K 5K11 2N7002 BAS16 4.7uF Titel P234FP-1(CH1) 3K22 100K 10uF Size Model No: Revision X-P234 V1.0 7-Jun-2002 Date: Sheet File: P234FP-1.SCH Drawn By: TASY J.S.
- Page 7 TL074 2068 R168 10KB R125 R167 R166 4K99 6K34 560K R161 5K11 2N7002 BAS16 SW12 R163 R129 4.7uF Titel R162 R159 P234FP-2(CH2) 3K22 100K 10uF Size Model No: Revision X-P234 V1.0 7-Jun-2002 Date: Sheet P234FP-2.SCH File: Drawn By: TASY J.S.
- Page 8 104P +15V C102 104P 104P 104P IC13C IC16C IC11C IC12E IC14C IC15C TL074 2068 2068 2068 2068 2068 Titel P234FP-3 C101 -15V 104P 104P 104P Size Model No: Revision X-P234 V1.0 7-Jun-2002 Date: Sheet P234FP-3.SCH File: Drawn By: TASY J.S.
- Page 9 104P 104P 104P 104P IC11C IC12C IC13C IC14C IC15C IC9C IC10C 2068 2068 2068 2068 2068 2068 2068 Titel P234PU-1 -15V 104P 104P 104P 104P Size Model No: Revision X-P234 V1.0 7-Jun-2002 Date: Sheet P234PU-1.SCH File: Drawn By: TASY J.S.
- Page 10 IN4002 2K49 TO CN3-8 C93 6N8 CN2P-2.5 IN4002 SW1D IN4002 2K49 IC1D TO CN1-12 TO CN3-6 47U 25V TL074 1000U 35V -15V 7915 Titel P234PU-2 Size Model No: Revision X-P234 V1.0 7-Jun-2002 Date: Sheet P234PU-2.SCH File: Drawn By: TASY J.S.
- Page 11 P234FP PCB LAYOUT PCB : P234FP Top Layer PCB : P234FP Top Solder Mask PCB : P234FP Bottom Layer PCB : P234FP Bottom Solder Mask...
- Page 12 PCB : P234FP Top Overlay PCB : P234FP Bottom Overlay PCB : P234FP Drill Drawing Plots Hole Size Hole Count 24mil (0.6mm) 31mil (0.8mm) 35mil (0.9mm) 39mil (1.0mm) 87mil (2.2mm) 126mil (3.2mm) Totals...
- Page 13 P234PU PCB LAYOUT PCB : P234PU Top Layer PCB : P234PU Top Solder Mask PCB : P234PU Bottom Layer PCB : P234PU Bottom Solder Mask...
- Page 14 PCB : P234PU Top Overlay PCB : P234PU Bottom Overlay Hole Size Hole Count PCB : P234PU Drill Drawing Plots 24mil (0.6mm) 31mil (0.8mm) 35mil (0.9mm) 39mil (1.0mm) 47mil (1.2mm) 55mil (1.4mm) 59mil (1.5mm) 63mil (1.6mm) 110mil (2.8mm) Totals...
- Page 17 5. Wiring Diagram...
- Page 29 8. Exploded Views...
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