
7. CIRCUIT DIAGRAM
16 15
L
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A
16 15
Copyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes
14 13 12 11 10 9 8 7 6 5 4 3 2 1
KEY PCB | L |
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| LCD FILTER, ZIP CONNECTOR |
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| Slide KEY PCB to Slide FPCB |
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| VLDO_LCD_1V8 | VLDO_LCD_2V8 |
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| 1 |
| 1 |
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| J |
| CN101 |
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| R101 |
| 102 |
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| 1 | 50 |
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| R |
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| CN102 |
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LCD_DATA[7] | 2 | 49 | LCD_MAKER_ID |
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| 1 |
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3 | 48 |
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| 2 |
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LCD_DATA[6] | 4 | 47 | LCD_DATA[15] |
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| LCD_VSYNC_OUT |
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LCD_DATA[5] | 5 | 46 | LCD_DATA[14] |
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| LCD_MAKER_ID |
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LCD_DATA[4] | 6 | 45 | LCD_DATA[13] |
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| LCD_DATA[0] |
| 5 |
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LCD_DATA[3] | 7 | 44 | LCD_DATA[12] |
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| LCD_DATA[1] |
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| 6 |
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LCD_DATA[2] | 8 | 43 | LCD_DATA[11] |
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| LCD_DATA[2] |
| 7 |
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| I |
LCD_DATA[1] | 9 | 42 | LCD_DATA[10] |
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| LCD_DATA[3] |
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| 8 |
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LCD_DATA[0] | 10 | 41 | LCD_DATA[9] |
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| LCD_DATA[4] |
| 9 |
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LCD_RS | LCD_DATA[8] |
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| 10 |
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LCD_RD | 11 | 40 |
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| LCD_DATA[5] |
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12 | 39 | VLDO_LCD_2V8 |
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| LCD_DATA[6] |
| 11 |
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LCD_WR_N | 13 | 38 |
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| LCD_DATA[7] |
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| 12 |
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LCD_CS_N | VLDO_LCD_1V8 |
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14 | 37 |
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| LCD_DATA[8] |
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LCD_RST_N | 15 | 36 | LCD_IF_MODE[0] |
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| LCD_DATA[9] |
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| 14 |
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16 | 35 | LCD_IF_MODE[1] |
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| LCD_DATA[10] |
| 15 |
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LCD_VSYNC_OUT | WLED1 |
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17 | 34 |
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| LCD_DATA[11] |
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| 16 |
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| WLED2 |
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| 18 | 33 |
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| LCD_DATA[12] |
| 17 |
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KEY_ROW0 | WLED3 |
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19 | 32 |
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| LCD_DATA[13] |
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| 18 |
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KEY_ROW1 | WLED4 |
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20 | 31 |
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| LCD_DATA[14] |
| 19 |
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KEY_ROW2 | WLED5 |
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21 | 30 |
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| LCD_DATA[15] |
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| 20 |
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| H | ||
KEY_ROW3 | SLIDE_KEY_LED |
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22 | 29 |
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| LCD_RD |
| 21 |
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KEY_COL5 | PM_ONSW_N |
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23 | 28 |
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| LCD_WR_N |
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KEY_COL6 | WLED_VOUT |
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| LCD_RS |
| 23 |
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KEY_COL7 | 24 | 27 |
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25 | 26 |
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| LCD_CS_N |
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| LCD_RST_N |
| 25 |
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| LCD_IF_MODE[1] |
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| LCD_IF_MODE[0] |
| 27 |
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| 28 |
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| 29 |
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| 30 |
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| C101 |
| C102 | WLED5 |
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| WLED4 |
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| 0.1u |
| 0.1u | WLED3 |
| 33 |
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| G | ||
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| WLED2 |
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| WLED1 |
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| WLED_VOUT |
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| F |
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| SUB PCB KEY |
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| SUB KEY B/L |
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| WLED_VOUT |
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| KEY_ROW3 |
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| KEY_ROW2 |
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| LD103 | LD104 | LD105 | LD106 | LD107 | LD108 |
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| KEY_ROW1 |
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POWER KEY | KEY_ROW0 |
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| R107 | R108 | R105 | R106 | R109 | R110 |
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| D | ||
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| 10 | 10 | 10 | 10 | 10 | 10 |
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| KB101 |
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| KB102 | KB103 | KB104 |
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| SLIDE_KEY_LED |
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| KB105 |
| KEY_COL5 | LEFT | Widget | RSK | RIGHT |
| VA101 |
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PM_ONSW_N |
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| KB106 |
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| KB107 | KB108 | KB109 |
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| END |
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| Multi. TALK | UP | OK |
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| C | |||
| VA102 |
| KEY_COL6 |
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| KB110 |
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| KB111 |
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| KEY_COL7 | DOWN |
| LSK |
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| B |
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| A |
14 | 13 | 12 | 11 | 10 |
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| - 133 - |
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| LGE Internal Use Only |