5 |
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| 4 |
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| 3 |
2 |
|
| 1 |
| VDD | ||
VDD
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| RN1 | |
| LED0 | LED0 | 5 | 4 | |
| LED1 | 6 | 3 | ||
| LED1 | ||||
| LED2 | 7 | 2 | ||
| LED2 | ||||
| LED3 | 8 | 1 | ||
D | LED3 | ||||
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J1
GND 1 2 3 4 5 6
| R1 |
| R2 |
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| 10K |
| 150 |
|
| R3 |
| 3 |
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| |
LED2 | LED2A | 1 | Q1 | D1 |
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| 2N3904 | ||
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D
KEY[6:0]
C
KEY[6:0] 47
KEY0
KEY1
KEY2
KEY3
KEY4
KEY5
KEY6
7
8
9
10
11
12
13
14
15 GND
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| SW1 |
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| 1 |
| 3 |
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VDD |
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| 2 | 5 | 4 |
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| |
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| C1 | 680P |
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| |
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| 12V | 50V J | SW2 |
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| |
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| 1 |
| 3 |
R5 | R6 | R7 | R8 | R9 | R10 | R11 |
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|
2K | 2K | 2K | 2K | 2K | 2K | 2K |
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| 2 | 5 | 4 |
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| |||
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| C2 | 680P | |
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| SW3 |
|
| 12V | 50V J | |
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| 1 |
| 3 |
|
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|
KEY[6:0] |
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KEY0 |
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| 2 | 5 | 4 |
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| |
KEY1 |
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| C3 | 680P |
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| |
KEY2 |
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|
| 12V | 50V J | SW4 |
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| |
KEY3 |
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| 1 |
| 3 |
KEY4 |
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| ||
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| |
KEY5 |
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|
KEY6 |
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| 2 | 5 | 4 |
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| C4 | 680P | |
|
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|
| SW5 |
|
| 12V | 50V J | |
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|
|
|
|
| 1 |
| 3 |
|
|
|
| 2K |
| 2 |
| 4 | 2 |
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| |||
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|
| 3 | 1 |
| VDD |
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| YL/GN |
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| R4 |
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|
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| 150 |
|
|
| R12 |
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|
| 10K |
|
|
|
|
|
| R13 |
| 3 |
|
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|
| |
LED3 | LED3A | 1 |
| Q2 |
|
|
|
|
| 2N3904 |
|
| |
|
|
|
|
|
| |
| 2K |
| 2 |
|
|
|
|
|
|
|
|
| |
| VDD |
|
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|
|
|
|
|
|
| R14 |
|
|
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|
|
| 150 | D2 |
|
| R15 |
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| |
| 10K |
|
|
| 1 | 2 |
| R16 |
|
| 3 | RED |
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|
C
VDD
LED1 GREEN
R17 150
1 
2
LED3 GREEN
R19 150
1 
2
B
LED5 GREEN
R23 150
1 
2
LED7 GREEN
R26 150
1 
2
LED9 GREEN
R28 150
1 
2
LED11 GREEN
R30 150
1 
2
VDD |
|
|
|
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|
|
|
| LED2 | GREEN |
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|
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|
R18 | 150 |
| 2 | 5 | 4 |
|
|
| 1 | 2 |
|
| |||
| C5 | 680P |
|
| |||
|
|
|
|
| |||
|
|
| 12V | 50V J SW6 |
|
| |
| LED4 | GREEN |
|
| 1 |
| 3 |
R20 | 150 |
|
|
|
| ||
|
|
|
|
|
| ||
| 1 | 2 |
|
|
|
|
|
| LED6 | GREEN |
|
| 2 | 5 | 4 |
|
|
|
|
|
| ||
R24 | 150 |
|
|
| C6 | 680P | |
| 1 | 2 | SW7 |
| 12V | 50V J | |
|
|
| 1 |
| 3 |
|
|
| LED8 | GREEN |
|
|
|
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|
R27 | 150 |
|
|
|
|
|
|
| 1 | 2 | 2 | 5 | 4 |
|
|
|
|
|
|
| |||
|
|
| C7 | 680P |
|
| |
| LED10 | GREEN | 12V | 50V J |
|
| |
R29 | 150 |
|
|
|
|
|
|
| 1 | 2 |
|
|
|
|
|
| LED12 | GREEN |
|
|
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|
R31 | 150 |
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|
|
| 1 | 2 |
|
|
|
|
|
LED0 | LED0A | 1 | Q3 |
|
|
| 2N3904 |
| |
|
|
|
| |
| 2K |
| 2 |
|
|
|
|
| |
| VDD |
|
|
|
|
|
| R21 |
|
|
|
| 150 | D3 |
| R22 |
| 1 | 2 |
| 10K |
|
|
|
| R25 |
| 3 | RED |
|
|
| ||
LED1 | LED1A | 1 | Q4 |
|
|
| 2N3904 |
| |
|
|
|
| |
| 2K |
| 2 | GND |
|
|
| ||
|
|
|
| |
| Project Code |
| 99.J2077.001 |
|
|
|
|
|
B
A
Title | DX660 | KEYPAD BD | SCHEMAICS |
|
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| |
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| ||||
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|
| |
Size | Document Number |
|
| FAB:S01 |
| Rev | ||
A3 |
| 48.J3403.S01 |
|
| 0 | |||
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| |
Date: | Saturday, March 02, 2002 | Sheet | 1 | of | 2 |
| ||
| Prepared By |
| Reviewed | By |
| Approved By | ||
| ANGEL HU |
| BILL WJ CHANG |
| H.C.TSOU | |||
A
|
| 5 |
|
| 4 |
|
| 3 |
|
| 2 |
|
| 1 |
|
|