Published:2011/5/12 9:49:00 Author:Borg | Keyword: instrument indicator, wiper/washer indicator, Volga
Figure 2 The instrument indicator and wiper/washer indicator circuit of Volga 3102
8-wiper motor; 9-wiper switch;10-washer motor;15-water temperature sensor; 16-engine overheat warning switch; 17-oil sensor; 18-defective oil-pressure alarm switch; 19-brake failure switch;20-wiper interval relay; 27-water thermometer; 29-engine overheat indicator; 30-hand brake indicator; 31-stand-by indicator; 31a-shared alarm lamp; 32-brake failure indicator; 33-low oil pressure warning indicator; 34-oil pressure instrument; 35-short petrol indicator (View)
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Published:2011/5/12 2:28:00 Author:Ecco | Keyword: dynamic display, parallel, LED, digital tube
Parallel LED digital tube diaplay circuit diagram is as below:
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Published:2011/5/12 2:28:00 Author:Ecco | Keyword: 2.5W+2.5W , USB multimedia
The circuit diagram of 2.5W+2.5W USB multimedia is as below:
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Published:2011/5/12 2:04:00 Author:Borg | Keyword: intergrated circuit, three-phase
BA6664 is an intergrated circuit of thre-phase spindles that are driven by motors, which is used in DVD player guts of Korean DSC-600A to convert the spindle servo control signals into three-phase driven voltage to drive the three-phase spindle motors.
The internal circuit of BA6858AFP chips is listed in Figure 1, and it is in flat 28-pin package with cooling fins. The pin functions and data of it are listed in Table 1 in which the pins of ①,③,⑤,⑥and (16) haven't been listed.
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Published:2011/5/12 1:55:00 Author:Borg | Keyword: intergrated circuit, three-phase, spindles
BA6844AFP-the intergrated circuit of three-phase spindles driven by motors
BA6844AFP is an intergrated circuit of thre-phase spindles that are driven by motors, which is used in DVD players to convert the spindle servo control signals into three-phase driven voltage to drive the three-phase spindle motors.
The internal circuit of BA6858AFP chips are listed in Figure 1, and it is in flat 28-pin package with cooling fins. The pin functions and data of it are listed in Table 1 in which ①,③,⑤,⑥,(16),(18) ,(19)and (27) haven't been listed.
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Published:2011/5/12 2:06:00 Author:Borg | Keyword: intergrated circuit, servo-driven
BA6396FP is a servo-driven intergrated circuit produced by Rom Corp., Japan, which is used as servo-drivers in VCD, SVCD and DVD.1.The internal circuitBA6396FP contains sub-circuits of 4-channel BTL, silence and noise control and overheat protection and the internal circuit is shown in Figure 1.
2.pin functionsBA6396FP is in flat 28-pin dual-line package, whose pin functions are listed in Table 1.
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Published:2011/5/12 1:07:00 Author:TaoXi | Keyword: Transceiver module, item prevent-lost alarm
The transmitter is composed of the RCM1A and the battery, the receiver is composed of the RCM1B receiving module with the double time-delay function, the high voltage generator and the alarm sound circuit.etc. (View)
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Published:2011/5/12 2:43:00 Author:TaoXi | Keyword: Game, remote control circuit
Game infrared remote control circuit (View)
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Published:2011/5/12 1:07:00 Author:TaoXi | Keyword: Transceiver module, remote control toy car
Transceiver module of the remote control toy car circuit composed of RCMlA/RCMlB (View)
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Published:2011/5/12 1:16:00 Author:TaoXi | Keyword: Key-buckle type, wireless encoding, remote controller
Key-buckle type wireless encoding remote controller circuit 1 (View)
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Published:2011/5/12 1:15:00 Author:TaoXi | Keyword: Key-buckle type, wireless encoding, remote controller
Key-buckle type wireless encoding remote controller circuit 2 (View)
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Published:2011/5/12 1:12:00 Author:TaoXi | Keyword: Remote control, automatic door
Transmitter circuit:
Receiving circuit:
Three-phase positive &negative motor which is controlled by this circuit is as shown: (View)
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Published:2011/5/12 1:37:00 Author:TaoXi | Keyword: Single-channel, wireless remote control switch
The transmitter of the three-way wireless remote control switch is as shown, the receiving circuit is the same to the single channel circuit. (View)
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Published:2011/5/12 4:22:00 Author:TaoXi | Keyword: Infrared remote control, music socket
The circuit is as shown in the figure. It includes the infrared remote transmitter circuit, the decoder circuit, the relay control circuit and the music circuit.etc. The infrared pulse transmitter circuit is composed of the 25kHz pulse oscillation circuit and the external transmitter driver circuit. And the 25kHz pulse oscillator is composed of the F1, F 2 and R1, R2, C1 components which belong to the Six NAND gate IC CD4069.
Infrared transmitter circuit:
Infrared receiver and control circuit: (View)
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Published:2011/5/12 3:02:00 Author:TaoXi | Keyword: Infrared, remote control, detector
Infrared remote control detector (View)
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Published:2011/5/12 3:51:00 Author:TaoXi | Keyword: Infrared, remote control, dimmer switch
The circuit is as shown in the figure. It includes the infrared emission circuit, the infrared receiver circuit, the decoder circuit, the dimming control circuit and the birds voice circuit.etc. You can use this circuit to achieve the remote control switching and dimming of the wall lamp, droplight, the remote control distance is more than 7m, and it is easy to operate and has reliable performance.
Infrared emission circuit:
Oscillation frequency:
Infrared receiving control circuit: (View)
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Published:2011/5/12 4:02:00 Author:TaoXi | Keyword: Infrared remote control, music socket
The infrared remote control music socket circuit is as shown, it is composed of the pulse oscillator circuit , the buffer stage and the driver stage.
Infrared receiving controller:
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Published:2011/5/12 2:56:00 Author:Borg | Keyword: servo-driven, intergrated circuit
BA6297AFP-the servo-driven intergrated circuit
BA6297AP is a servo-driven intergrated circuit produced by Toyo Corp.,Japan, which is used in VCD, SVCD, CVD and DVD players as servo-drivers.
1.the internal circuit
BA6297AP contains 4-channel BTL drive circuits, which can receive PWM controlled signals output by the digital servo IC directly, and then drives the executing components of drive laser heads after filtering and magnifying those signals.
2.pin functions and data
BA6297AP is in 28-pin dual in-line package with cooling fins, whose data are from Changhong VD-900O VCD players.
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Published:2011/5/8 5:47:00 Author:Rebekka | Keyword: New phone line protection
New phone line protection circuit is shown as below. Telephone wiring in the T and R ends. When someone steal the outside line. BG1 will be conducted. The voltage between T and R is only 2V. The protection will reset automatically after hanging up. When you are calling, press K. If the LED does not light means there is eavesdropping; If the LED lights, it shows that lines are not tapped. (View)
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Published:2011/5/8 7:36:00 Author:Rebekka | Keyword: analog timer
The predetermined analog timer circuit diagram is shown as below. It uses programmable power switch CA3094 to constitute the predetermined analog timer. The circuit gives four kinds of delay selection. It uses potentiometer R6 to set the initial time. When S2 connects to R4, click S1, the triac can work for 1 hour. (View)
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