|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
5 | 4 | 3 | 2 | 1 |
Front Karaoke board Circuit Diagram:
|
|
|
|
|
|
|
| 5V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
D |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| )5200$,1%2$5' |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R316 | NC/33 | LED- |
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R306 |
|
|
|
|
|
|
|
|
|
| |||
| XS301 |
|
|
|
|
|
| R303 | R304 | R305 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
| 51K |
|
|
|
|
|
|
|
|
|
| ||||||
| 8PIN/2.0mm/140mm |
|
|
|
| 4.7K | 4.7K | 4.7K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
| 1 | 1 | DV33 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
IR | 2 | IR |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| U301 |
|
|
|
|
|
|
|
|
| |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| GRID[1:5] | LED1 | ||||||
3 | 5V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DRIVER_LED_ET6202 |
|
|
| ||||||||
VCC | 3 | 4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
|
|
| 28 |
|
|
| GRID5 | 13 |
|
GND | 4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| OSC |
| GND |
|
|
| GRID5 | |||||
5 | DATA |
|
| DATA |
|
|
|
|
|
|
|
|
|
|
| 2 |
| 27 | GRID1 |
|
| GRID4 | 12 | ||||||
DATA | 5 |
|
|
|
|
|
|
|
|
|
|
|
|
| DI/O |
| GRID1 |
|
| GRID4 | |||||||||
6 | CS |
|
| CLK | R3 | 0R |
|
|
|
|
|
|
|
|
|
| 3 |
| 26 | GRID2 |
|
| GRID3 | 11 | |||||
CS | 6 |
|
|
|
|
|
|
| R307 |
|
| R309 | CLK |
| GRID2 |
|
| GRID3 | |||||||||||
7 | CLK |
|
| CS | R1 | 0R |
|
|
|
|
|
|
| 4 |
| 25 |
|
|
| GRID2 | 10 | ||||||||
CLK | 7 |
|
|
|
|
|
|
| R308 |
|
| R310 | STB |
| GND | GRID3 |
|
| GRID2 | ||||||||||
| 8 | 8 | POWER_K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 5 | KEY1 |
| GRID3 | 24 |
|
| GRID1 | 9 | GRID1 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 6 |
| 23 | GRID4 |
|
| SEG8 | 8 | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| KEY2 |
| GRID4 |
|
| SEG8 | |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| 10K |
|
| 1K |
| 7 |
| 22 |
|
|
| SEG7 | 7 | |||
|
|
|
|
|
|
|
| C300 |
| C301 | C302 |
|
|
|
| VDD |
| GND | 5V |
|
| SEG7 | |||||||
|
|
|
|
|
|
|
|
|
| 10K |
|
| SEG1 |
| 8 | SEG1/KS1 |
| VDD | 21 |
|
| SEG6 | 6 | SEG6 | |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1K |
| 9 |
| 20 | GRID5 |
|
| SEG5 | 5 | ||||
|
|
|
|
|
|
|
| 100pF/50V/NP0 |
| 100pF/50V/NP0 |
| 100pF/50V/NP0 |
|
|
|
| SEG2 |
| SEG2/KS2 | SEG14/GRID5 |
|
| SEG5 | ||||||
|
|
|
|
|
|
|
|
|
|
|
| KEY1 | KEY2 | SEG3 |
| 10 | 19 |
|
|
| SEG4 | 4 | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
| SEG3/KS3 | SEG13/GRID6 |
|
|
| SEG4 | |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| SEG4 |
| 11 | 18 |
|
|
| SEG3 | 3 | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| SEG4/KS4 | SEG12/GRID7 |
|
|
| SEG3 | ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| CE300 |
|
| SEG5 |
| 12 | 17 | R323 | NC/33 | LED+ | SEG2 | 2 | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| SEG5/KS5 | SEG10/KS10 | SEG2 | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| C303 | + |
|
| SEG6 |
| 13 | 16 |
|
|
| SEG1 | 1 | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| SEG6/KS6 |
| SEG9/KS9 | SEG8 |
|
| SEG1 | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
| 0.1uF/50V/Y5V | 47uF/16V |
|
| SEG7 |
| 14 | SEG7/KS7 |
| SEG8/KS8 | 15 |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| LED_2501AHG1 | ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| SEG[1:8] |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| K301 |
|
| K302 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| D301 |
| R312 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| open/close |
|
| play/pause |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1N4148 |
| 1K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| K303 |
|
|
C |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| D302 |
| R311 |
|
| POWER_K |
|
| power | POWER_K1 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| NC/1N4148 | NC/1K |
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R313 | NC/0 |
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
| DV33 | 5V |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
| REM301 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
| GND | 5 |
|
|
| R315 | 100 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| 4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| GND |
|
|
|
| R318 | NC/100 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R314 | |||
|
|
|
| 3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
| VCC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
| 2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0 | |
|
|
|
| GND |
| IR |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
| 1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
| IR |
| C306 | + CE301 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
| IRM_12mm |
|
| C315 | 1uF/50V/Y5V | NC/47uF |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
| 47pF/50V/NP0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| power | Q1 | R317 | R319 | R321 | R322 | R323 | R316 | R313 |
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
| DV33 |
|
|
|
|
|
|
|
|
| Y | Y | Y | Y | Y | N | N | N |
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0.3W |
|
|
|
| |||||||||
|
|
|
|
|
|
|
| R317 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1W |
| N | N | N | N | N | Y | Y | Y |
|
|
|
| |
|
|
|
|
|
|
|
| 1K |
|
|
|
|
|
|
|
|
|
|
|
| |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
| 5V | R319 |
|
|
| LED+ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Q1 |
|
|
| + |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| NPN_3DG3904M | LED2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
| 4.7K |
|
|
| CE302 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
| 10uF/16V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
| LED_RED |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
B |
|
|
|
|
|
| R321 | LED- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| R322 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| 0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
D
C
B
AA
|
|
|
|
|
|
|
|
|
|
|
| 5 |
| 4 |
| 3 |
| 2 |
| 1 |
|