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SERVICE MANUAL

BPM-1000

Stereo Preamp Mixer

CONTENT’S:

Connections & Operations:.......................................................Page 2-5

Specifications:..............................................................................Page 5

Parts Lists:.................................................................................Page 5-7

PCBs:........................................................................................Page 8-12

Schematics.............................................................................Page 13-14

Gemini Sound Products Corp.

120 Clover Place P.O. Box 6928

Edison, NJ 08818-6928

732-738-9003  (Phone) • 732-738-9006  (Fax)

Summary of Contents for BPM-1000

Page 1: ...p Mixer CONTENT S Connections Operations Page 2 5 Specifications Page 5 Parts Lists Page 5 7 PCBs Page 8 12 Schematics Page 13 14 Gemini Sound Products Corp 120 Clover Place P O Box 6928 Edison NJ 08818 6928 732 738 9003 Phone 732 738 9006 Fax ...

Page 2: ...Page2 11 20 20 20 20 14 15 16 17 14 15 16 17 14 15 16 17 14 15 16 17 13 27 41 26 24 22 4 5 6 7 10 42 40 28 31 12 3 29 34 32 35 8 39 1 2 37 19 33 30 9 18 21 23 25 38 38 38 38 36 ...

Page 3: ...Page3 43 44 44 LIFT 59 45 45 46 46 47 47 48 48 49 49 50 50 51 51 52 52 53 53 54 55 56 56 57 58 ...

Page 4: ...The CROSSFADER 27 allows the mixing of one source into another The BPM 1000 features an assignable crossfader The ASSIGN 28 31 switches allow you to select which channel will play through each side of the crossfader The ASSIGN 28 switch has 4 settings 1 2 3 or 4 and allows you to select channel 1 2 3 or 4 to play through the left side of the crossfader The ASSIGN 31 switch has 4 settings 1 2 3 or ...

Page 5: ...r Source 115 230V 50 60Hz 10W Dimensions 12 5 w x 3 h x 14 d Weight 10 lbs Description Part Cabinet Parts and Packing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Item Parts Lists 002 196 021 759A 021 972A 021 388A 022 360 023 674 002 531 002 532 002 713 148 238 148 236 148 239 003 122 003 131 003 970 003 705 003 706 003...

Page 6: ...ors Description Part ICs Item 1 2 Parts Lists PCB2 Meter 079 003 080 079 080 080 080 078 SILICON DIODE 1N4148 LIGHT EMITTING DIODE GREEN 2 5x6 5 mm LIGHT EMITTING DIODE YELLOW 2 5x6 5 mm LIGHT EMITTING DIODE RED 2 5x6 5 mm D25 28 D1 7 D13 19 D29 35 D41 47 D53 60 D66 73 D8 9 D20 21 D36 37 D48 49 D61 62 D74 75 D10 12 D22 24 D38 40 D50 52 D63 65 D76 78 Designators Description Part Electrical Parts It...

Page 7: ...S6 SW1 SW3 4 SW6 SW8 S1 S2 S7 J1 D1 9 VR11 VR16 VR21 VR26 VR27 VR6 VR28 VR29 VR1 VR4 VR5 VR2 VR3 VR7 VR12 VR17 VR22 VR8 10 VR13 15 VR18 20 VR23 25 Designators Description Part Electrical Parts Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 074 063 074 113 INTEGRATED CIRCUIT LA6458S INTEGRATED CIRCUIT NJM4556L IC2 13 IC1 Designators Description Part ICs Item 1 2 Parts Lists PCB3 XLR 076 095 TRANSISTOR...

Page 8: ......

Page 9: ...Page 8 PCB2 Meter ...

Page 10: ...PCB1 Input Output Page 7 ...

Page 11: ...Page 9 PCB3 XLR ...

Page 12: ...W1B R215 15K R220 15K R10 47 R2 47 C9 472 C4 472 GRD PHONE X1 R17 3K9 D2 LED C78 22 16 R147 33 C90 22 16 C99 22 16 12V C76 22 16 C100 22 16 C52 22 16 R98 33 C62 22 16 C70 22 16 12V C54 22 16 C72 22 16 C29 22 16 R59 33 C40 22 16 C48 22 16 12V R52 1K5 R50 1K5 VR9A 50KEx2 VR10A 50KEx2 VR8A 50KEx2 C34 154 C36 562 C38 154 C37 103 7 6 8 IC5B 4558S R46 8K2 C30 22 16 C51 22 16 C33 682 R45 24K C35 56 R49 3...

Page 13: ...32 D31 D30 D29 D41 D42 D43 D44 D45 D46 D47 D48 D49 D50 D51 D52 T6 2SA1317 T5 2SA1317 T8 2SA1317 T7 2SA1317 R32 390 R30 390 R28 390 R26 390 CH 3 CH 4 10 7 4 2 0 2 4 7 10 20 30 38 5V GND GND 5V C15 22 6 3 C14 22 6 3 R31 24K R35 24K GND 5V GND R36 39K C19 103 GND 5V GND R29 68 R27 68 R23 68 R24 68 R25 180 R22 180 C26 100 6 3 C4 100 6 3 C16 100 6 3 5V 5V GND 5V GND R46 56 GND 5V C20 1 16 C21 1 16 C2 1...

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