Gemini-BPM1-abc-sm维修电路原理图.pdf

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1、Page 1 SERVICE MANUAL BPM-1 PROFESSIONAL AUTOMATIC BEAT COUNTER CONTENTS: Connections & Operations:.Page 2-3 Specifications:.Page 3 Parts Lists:.Page 3-4 PCBs:.Page 5-6 Schematics:.Page 7 Gemini Sound Products Corp. 120 Clover Place P.O. Box 6928 Edison, NJ 08818-6928 732-738-9003 (Phone) 732-738-90

2、06 (Fax) RadioFans.CN 收音机爱好者资料库 Page 2 17 18 21 20 19 21 12 3 54 45 6 87 78 9 1110 1011 12 13 14 16 15 RadioFans.CN 收音机爱好者资料库 Page 3 Connections 1. Make sure that the POWER (13) switch is in the off position. The POWER LED (14) will be off. This unit comes supplied with a 15 volt AC adaptor. Plug

3、the adaptor into the rear panel power jack. Then plug the adaptor into a proper power source. 2. Use the 4 stereo PHONO/LINE (2, 5, 8, 11) inputs on the rear panel to connect to the output of your sources. The PH1/LN1 (12) switch enables you to set the CHANNEL 1 (11) input sensitivity to Phono or Li

4、ne. The PH2/LN2 (9) switch enables you to set the CHANNEL 2 (8) input sensitivity to Phono or Line. The PH3/LN3 (6) switch enables you to set the CHANNEL 3 (5) input sensitivity to Phono or Line. The PH4/ LN4 (3) switch enables you to set the CHANNEL 4 (2) input sensitivity to Phono or Line. Note: W

5、hen using turntables, dont forget to connect the ground wire from your tuntable to the ground screw of your mixer. 3. The BPM-1 is supplied with 4 sets of OUTPUT (1, 4, 7, 10) jacks. If you are using a turntable and have the input set to phono, the corresponding output must be connected to phono inp

6、uts on your mixer. If you have the input set to line, the corresponding output must be connected to line inputs on your mixer. Use the CHANNEL 1 OUTPUT (10) jacks to connect to the appropriate inputs on your mixer. Use the CHANNEL 2 OUTPUT (7) jacks to connect to the appropriate inputs on your mixer

7、. Use the CHANNEL 3 OUTPUT (4) jacks to connect to the appropriate inputs on your mixer. Use the CHANNEL 4 OUTPUT (1) jacks to connect to the appropriate inputs on your mixer. Operation 1. POWER ON: Once you have made all the equipment connections, press POWER (13). The power will turn on and the PO

8、WER LED (14) will glow RED. When you turn on the BPM-1, the unit will run through an initialization period in which the BPM DISPLAYS (17, 19) and the BEAT OFFSET INDICATORS (18) will flash. When the flashing stops, the unit is ready for use. 2. The ASSIGN (16, 21) buttons allow you to select which c

9、hannel will be displayed on each side of the BPM-1. Press the ASSIGN (16) button to select channel 1, 2, 3 or 4 to be displayed on the left BPM DISPLAY (17). The ASSIGN LED (15) will indicate the channel you selected. Press the ASSIGN (21) button to select channel 1, 2, 3 or 4 to be displayed on the

10、 right BPM DISPLAY (19). The ASSIGN LED (20) will indicate the channel you selected. 3. BPM DISPLAY: There are BPM DISPLAYS (17, 19) for each side of the BPM-1. They update approximately every 2.5 seconds and digitally display the Beats Per Minute allowing you to match the beats visually. BPM DISPLA

11、Y (17) reflects the Beats Per Minute of the channel assigned to the left side of the unit, and BPM DISPLAY (19) reflects the Beats Per Minute of the channel assigned to the right side of the unit. NONONONONOTETETETETE: A - - reading will appear on the BPM DISPLAY if the track has unclear beats. The

12、- - reading will also appear if there is no signal present. 4. The BEAT OFFSET INDICATORS (18) light when the tracks of the two channels assigned to the crossfader are within 11 BPMs of each other and display how aligned the beats of the two channels are. When the RED LEDs light, the beats are not a

13、ligned. When the YELLOW LEDs light, the beats are almost aligned. When the GREEN LED lights, the beats are aligned perfectly. NONONONONOTETETETETE: If the difference between the two channels beats exceed 11 BPM, the BEAT OFFSET INDICATORS will not light. SUGGESTION: You can use the BPM DISPLAYS to d

14、etermine which tracks have similar or the same Beats Per Minute. When mixing two tracks with similar Beats Per Minute, you can use one sources pitch control to align the Beats Per Minute with the other sources BPM. The BPM DISPLAYS and the BEAT OFFSET INDICATORS update every 2.5 seconds and will ref

15、lect the change in BPM and indicate when the beats are aligned. NONONONONOTETETETETE: Beat mixing is a skill that requires practice. Not every track has a strong beat, and beat mixing works best with tracks that have clear and strong beats. Specifications INPUTS: Phono.3 mV 3 MOhm Line.150 mV 3 MOhm

16、 OUTPUTS: Input/Output Resistance.0.1 Ohm GENERAL: BPM Range.60 - 180 BPM Power Adapter.115V/15V AC 500 mA 230V/15V AC 500 mA Dimensions.19”w x 1.75”h x 3”d (483 x 44 x 78 mm) Weight.3 lbs (1.5 kg) DescriptionPart # Cabinet Parts and Packing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Item # Parts Lists 031

17、-032 021-461 002-571 003-732 003-372 049-190 196-061 255-131 157-962 110-166 121-003A 110-172A 111-044A 111-046A 131-057 CASE CHASSIS KNOB PUSH HOLDER LED (3 6.5mm) PLATE DISPLAY (SMALL) CLIP WIRE SERIAL NO. LABEL GIFT BOX OWNERS MANUAL BAND-HEAD TAPPING SCREW (TWIN) BAND-HEAD TAPPING SCREW/TW-E BAN

18、D-HEAD TAPPING SCREW (TWIN) BAND-HEAD TAPPING SCREW ( “NUT” ) BAND-HEAD TAPPING SCREW NUT/WASHER 262-239 262-240 PRINTED CIRCUIT BOARD BPM1-1 PRINTED CIRCUIT BOARD BPM1-2 DescriptionPart # Printed Circuit Boards Item # 1 2 RadioFans.CN 收音机爱好者资料库 Page 4 074-155 074-157 INTEGRATED CIRCUIT M66313FP IN

19、TEGRATED CIRCUIT SC87C51CCN40 IC5 IC1 DesignatorsDescriptionPart # ICs Item # 1 2 Parts Lists - Meter PCB 079-027 079-003 161-169 081-027 RECTIFIER DIODE 1N4002 (1N4003,1N4004) SILICON DIODE 1N4148 4P RCA JACK SLIDE SWITCH 2P2C PH/LN D18 D8-10, D12-14 J1-4 SW1-4 DesignatorsDescriptionPart # Electric

20、al Parts Item # 1 2 3 4 074-011 074-074 INTEGRATED CIRCUIT UPC324 INTEGRATED CIRCUIT NJM7805FA IC2, IC3, IC4, IC8 IC7 DesignatorsDescriptionPart # ICs Item # 1 2 Parts Lists - Main PCB 080-102 080-003 080-062 080-063 082-041 052-018 LED NUMERIC DISPLAY LIGHT EMITTING DIODE (RED) 3 LIGHT EMITTING DIO

21、DE (YELLOW) 3 LED (GREEN) 3 TACT SWITCH CERAMIC RESONATOR 12 MHz A, B D1-2, D6-7, D20-27, D30 D3, D5 D4 SWA, SWB XT1 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 5 6 RadioFans.CN 收音机爱好者资料库 Page 1 SERVICE MANUAL BPM-1 PROFESSIONAL AUTOMATIC BEAT COUNTER CONTENTS: Connections & Operat

22、ions:.Page 2-3 Specifications:.Page 3 Parts Lists:.Page 3-4 PCBs:.Page 5-6 Schematics:.Page 7 Gemini Sound Products Corp. 120 Clover Place P.O. Box 6928 Edison, NJ 08818-6928 732-738-9003 (Phone) 732-738-9006 (Fax) RadioFans.CN 收音机爱好者资料库 Page 2 17 18 21 20 19 21 12 3 54 45 6 87 78 9 1110 1011 12 13

23、 14 16 15 RadioFans.CN 收音机爱好者资料库 Page 3 Connections 1. Make sure that the POWER (13) switch is in the off position. The POWER LED (14) will be off. This unit comes supplied with a 15 volt AC adaptor. Plug the adaptor into the rear panel power jack. Then plug the adaptor into a proper power source.

24、2. Use the 4 stereo PHONO/LINE (2, 5, 8, 11) inputs on the rear panel to connect to the output of your sources. The PH1/LN1 (12) switch enables you to set the CHANNEL 1 (11) input sensitivity to Phono or Line. The PH2/LN2 (9) switch enables you to set the CHANNEL 2 (8) input sensitivity to Phono or

25、Line. The PH3/LN3 (6) switch enables you to set the CHANNEL 3 (5) input sensitivity to Phono or Line. The PH4/ LN4 (3) switch enables you to set the CHANNEL 4 (2) input sensitivity to Phono or Line. Note: When using turntables, dont forget to connect the ground wire from your tuntable to the ground

26、screw of your mixer. 3. The BPM-1 is supplied with 4 sets of OUTPUT (1, 4, 7, 10) jacks. If you are using a turntable and have the input set to phono, the corresponding output must be connected to phono inputs on your mixer. If you have the input set to line, the corresponding output must be connect

27、ed to line inputs on your mixer. Use the CHANNEL 1 OUTPUT (10) jacks to connect to the appropriate inputs on your mixer. Use the CHANNEL 2 OUTPUT (7) jacks to connect to the appropriate inputs on your mixer. Use the CHANNEL 3 OUTPUT (4) jacks to connect to the appropriate inputs on your mixer. Use t

28、he CHANNEL 4 OUTPUT (1) jacks to connect to the appropriate inputs on your mixer. Operation 1. POWER ON: Once you have made all the equipment connections, press POWER (13). The power will turn on and the POWER LED (14) will glow RED. When you turn on the BPM-1, the unit will run through an initializ

29、ation period in which the BPM DISPLAYS (17, 19) and the BEAT OFFSET INDICATORS (18) will flash. When the flashing stops, the unit is ready for use. 2. The ASSIGN (16, 21) buttons allow you to select which channel will be displayed on each side of the BPM-1. Press the ASSIGN (16) button to select cha

30、nnel 1, 2, 3 or 4 to be displayed on the left BPM DISPLAY (17). The ASSIGN LED (15) will indicate the channel you selected. Press the ASSIGN (21) button to select channel 1, 2, 3 or 4 to be displayed on the right BPM DISPLAY (19). The ASSIGN LED (20) will indicate the channel you selected. 3. BPM DI

31、SPLAY: There are BPM DISPLAYS (17, 19) for each side of the BPM-1. They update approximately every 2.5 seconds and digitally display the Beats Per Minute allowing you to match the beats visually. BPM DISPLAY (17) reflects the Beats Per Minute of the channel assigned to the left side of the unit, and

32、 BPM DISPLAY (19) reflects the Beats Per Minute of the channel assigned to the right side of the unit. NONONONONOTETETETETE: A - - reading will appear on the BPM DISPLAY if the track has unclear beats. The - - reading will also appear if there is no signal present. 4. The BEAT OFFSET INDICATORS (18)

33、 light when the tracks of the two channels assigned to the crossfader are within 11 BPMs of each other and display how aligned the beats of the two channels are. When the RED LEDs light, the beats are not aligned. When the YELLOW LEDs light, the beats are almost aligned. When the GREEN LED lights, t

34、he beats are aligned perfectly. NONONONONOTETETETETE: If the difference between the two channels beats exceed 11 BPM, the BEAT OFFSET INDICATORS will not light. SUGGESTION: You can use the BPM DISPLAYS to determine which tracks have similar or the same Beats Per Minute. When mixing two tracks with s

35、imilar Beats Per Minute, you can use one sources pitch control to align the Beats Per Minute with the other sources BPM. The BPM DISPLAYS and the BEAT OFFSET INDICATORS update every 2.5 seconds and will reflect the change in BPM and indicate when the beats are aligned. NONONONONOTETETETETE: Beat mix

36、ing is a skill that requires practice. Not every track has a strong beat, and beat mixing works best with tracks that have clear and strong beats. Specifications INPUTS: Phono.3 mV 3 MOhm Line.150 mV 3 MOhm OUTPUTS: Input/Output Resistance.0.1 Ohm GENERAL: BPM Range.60 - 180 BPM Power Adapter.115V/1

37、5V AC 500 mA 230V/15V AC 500 mA Dimensions.19”w x 1.75”h x 3”d (483 x 44 x 78 mm) Weight.3 lbs (1.5 kg) DescriptionPart # Cabinet Parts and Packing 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Item # Parts Lists 031-032 021-461 002-571 003-732 003-372 049-190 196-061 255-131 157-962 110-166 121-003A 110-172A

38、 111-044A 111-046A 131-057 CASE CHASSIS KNOB PUSH HOLDER LED (3 6.5mm) PLATE DISPLAY (SMALL) CLIP WIRE SERIAL NO. LABEL GIFT BOX OWNERS MANUAL BAND-HEAD TAPPING SCREW (TWIN) BAND-HEAD TAPPING SCREW/TW-E BAND-HEAD TAPPING SCREW (TWIN) BAND-HEAD TAPPING SCREW ( “NUT” ) BAND-HEAD TAPPING SCREW NUT/WASH

39、ER 262-239 262-240 PRINTED CIRCUIT BOARD BPM1-1 PRINTED CIRCUIT BOARD BPM1-2 DescriptionPart # Printed Circuit Boards Item # 1 2 RadioFans.CN 收音机爱好者资料库 Page 4 074-155 074-157 INTEGRATED CIRCUIT M66313FP INTEGRATED CIRCUIT SC87C51CCN40 IC5 IC1 DesignatorsDescriptionPart # ICs Item # 1 2 Parts Lists

40、- Meter PCB 079-027 079-003 161-169 081-027 RECTIFIER DIODE 1N4002 (1N4003,1N4004) SILICON DIODE 1N4148 4P RCA JACK SLIDE SWITCH 2P2C PH/LN D18 D8-10, D12-14 J1-4 SW1-4 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 074-011 074-074 INTEGRATED CIRCUIT UPC324 INTEGRATED CIRCUIT NJM7805FA

41、 IC2, IC3, IC4, IC8 IC7 DesignatorsDescriptionPart # ICs Item # 1 2 Parts Lists - Main PCB 080-102 080-003 080-062 080-063 082-041 052-018 LED NUMERIC DISPLAY LIGHT EMITTING DIODE (RED) 3 LIGHT EMITTING DIODE (YELLOW) 3 LED (GREEN) 3 TACT SWITCH CERAMIC RESONATOR 12 MHz A, B D1-2, D6-7, D20-27, D30

42、D3, D5 D4 SWA, SWB XT1 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 5 6 RadioFans.CN 收音机爱好者资料库 Page 5 Main PCB RadioFans.CN 收音机爱好者资料库 Page 6 Meter PCB RadioFans.CN 收音机爱好者资料库 Schematic POWER POWER SW5 X8X7 X4 2 1 J10 MAIN PCB METER PCB 563 C33 563 C32 X1 2 1 332 C56 332 C1 b2b b2f

43、b2a b2g b3c b3b b3f b3a b3g a2f a2b a3b a3f a3a a3g a2a a2g a3d a3e b2c b2e b2d b1b,1c b3d b3e a2c a2e a2d a1b.1c a3c VCC CH A CH B R L VCC LED D30 750 R121 X12 2 1 X11 2 1 21 VCC 104 C101 104 C100 P27 P26 P25 P24 P23 P22 P21 P27 P26 P25 P24 P23 P22 P21 VCC 510 R120 LED4B LED3B LED2B LED1B LED1A LED

44、2A LED3A LED4A LED4B LED3B LED2B LED1B LED1A LED2A LED3A LED4A VCC 510 R119 LED D27 LED D26 LED D25 LED D24 LED D23 LED D22 LED D21 LED D20 VCC SWB SWA SWA SWB SWB SWA A4 A3 A2 A1 B4 B3 B2 B1 B4B3B2B1A4A3A2A1 X3 VCC 470 R78 470 R77 470 R76 240 R80 470 R75 470 R74 470 R73 470 R72 470 R71 470 R70 240 R79 470 R69 470 R68 470 R67 470 R66 470 R65