| A | B | C | D | E |
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Front Control Board Circuit Diagram:
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2
3
4
LED_SO: H: Standby
L:ON
LED_SO
C305
1uF/NC
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| M5V |
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)5200$,1%2$5' |
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| R313 | R314 | R315 |
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XS301 |
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1 | 1 | IR | 4.7K | 4.7k | 10K |
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2 | M5V |
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2 |
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3 | GND |
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3 |
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| K303 | ||
4 |
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| LED_PLAYER |
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4 | 5 |
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| LED_SO |
| POWER |
5 |
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6 |
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| K1 |
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6 |
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7 |
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| K2 |
| K302 | |
7 |
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7PIN/2.0mm/140mm |
| R318 |
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| K301 | |||
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| C301 | C302 | |
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| PLAYER/PAUSE | ||
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| NC |
| 0.1u | 0.1u |
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| OPEN/CLOSE |
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| M5V |
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| R305 |
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| R306 |
| R310 |
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| 2K |
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| 33 |
| 33 |
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| LED4 |
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| LED3 |
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| standby | RED |
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| LED2 | |
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| R316 | PLAY green |
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| ON GREEN | |||
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R317 |
| 1.7MA |
| NC/0R |
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| 20MA | |
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| LED- | |||
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| 20MA |
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NC/0R |
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| CE200 | |
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R319 |
| Q2 |
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| 22uF/NC |
| R321 |
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| R323 | |||
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4.7k | BT3904 | LED_PLAYER | Q303 |
| Q304 |
| 4.7k | 3906 | 1k | 3906 | |
| R320 | ||||
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| C306 | R322 |
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| 2.2k |
| C307 | ||
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| NC/0.1U | 2.2k |
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| NC/0.1uF | |
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M5V
REM302 |
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5 | VCC | 3 |
| R324 | 470 |
5 | 2 |
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4 | GND | 1 | IR |
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4 | IR |
| C308 | + CE301 |
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REM |
| C315 | 1uF/50V/Y5V | 47uF/NC |
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| 47pF/50V/NP0 |
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1
2
3
4
A
B
C
D
E