| 5 | 4 | 3 | 2 | 1 |
|
+3VS
D
|
|
| +3VS | ||||
|
|
|
|
|
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|
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|
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| 14 |
| U7A | ||
CPU_RD_N |
| 1 |
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| ||
CPU_PCS0_N | 2 |
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| |||
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| |||
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| 7 |
| 74VHC32 | ||
|
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| ||||
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|
CPU_A3
CPU_A4
3IOCS_RD_SET_N
CPU_A3 CPU_A4
KEYPAD[0..9]
|
| +3VS |
|
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| ||
|
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2 | 16 |
|
| U14A |
| 4 |
| |
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| |||
| A | Y0 |
|
|
| |||
1 | G GNDVCC | Y3 | 7 | IORD0_N | ||||
3 | B | Y1 | 5 | |||||
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| Y2 | 6 | IORD1_N | |
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| |
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| 8 |
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| 74VHC139 |
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| |
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KEYPAD0 | RP20 | 47_RP | INLTCH1_1 |
1 | 2 | ||
KEYPAD1 | 3 | 4 | INLTCH1_2 |
KEYPAD2 | 5 | 6 | INLTCH1_3 |
KEYPAD3 | 7 | 8 | INLTCH1_4 |
KEYPAD4 | 1 | 2 | INLTCH1_5 |
KEYPAD5 | 3 | 4 | INLTCH1_6 |
KEYPAD6 | 5 | 6 | INLTCH1_7 |
KEYPAD7 | 7 | 8 | INLTCH1_8 |
|
| IORD0_N |
| RP21 | 47_RP |
|
|
|
|
|
|
| +3VS |
|
| KEYPAD8 |
| RP22 | 47_RP | INLTCH2_1 |
|
| 1 |
| 2 | ||
|
| KEYPAD9 | 3 |
| 4 | INLTCH2_2 |
LAMP_PROTECT | 1E1 | WIRE_TP53 | 5 | RP23 | 6 | INLTCH2_3 |
7 | 8 | INLTCH2_4 | ||||
TP53 | 1E1 | WIRE_TP52 | 2 |
| 1 | INLTCH2_5 |
TP52 | 1E1 | WIRE_TP51 | 4 |
| 3 | INLTCH2_6 |
TP51 | 1E1 | WIRE_TP46 | 6 |
| 5 | INLTCH2_7 |
TP46 | 1E1 | WIRE_TP47 | 8 |
| 7 | INLTCH2_8 |
TP47 |
| IORD1_N |
| 47_RP |
| |
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| |||
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| 20 | ||
2 | U13 |
| |
1A1 | VCC | ||
4 | |||
1A2 | |||
6 | |||
1A3 |
| ||
8 |
| ||
1A4 |
| ||
11 |
| ||
2A1 |
| ||
13 |
| ||
2A2 |
| ||
15 |
| ||
2A3 |
| ||
17 |
| ||
2A4 |
| ||
|
|
11G
19 2G
74AHC244
| 20 | ||
2 | U15 |
| |
1A1 | VCC | ||
4 | |||
1A2 | |||
6 | |||
1A3 |
| ||
8 |
| ||
1A4 |
| ||
11 |
| ||
2A1 |
| ||
13 |
| ||
2A2 |
| ||
15 |
| ||
2A3 |
| ||
17 |
| ||
2A4 |
| ||
|
|
11G
19 2G
1Y1 | 18 |
| CP U_D0 | |
16 |
| CP U_D1 | ||
1Y2 | 14 |
| CP U_D2 | |
1Y3 | 12 |
| CP U_D3 | |
1Y4 | 9 |
| CP U_D4 | |
2Y1 | 7 |
| CP U_D5 | |
2Y2 | 5 |
| CP U_D6 | |
2Y3 | 3 |
| CP U_D7 | |
2Y4 |
|
|
| |
GND |
|
|
| |
10 |
|
|
| CP U_D0 |
|
|
| ||
1Y1 | 18 |
| ||
16 |
| CP U_D1 | ||
1Y2 |
| |||
14 |
| CP U_D2 | ||
1Y3 |
| |||
12 |
| CP U_D3 | ||
1Y4 | 9 |
| CP U_D4 | |
2Y1 |
| |||
7 |
| CP U_D5 | ||
2Y2 |
| |||
5 |
| CP U_D6 | ||
2Y3 |
| |||
3 |
| CP U_D7 | ||
2Y4 |
| |||
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| ||
GND |
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D
C
B
|
|
| +3VS | |||||
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| CPU_WR_ | N | 14 |
| U7D | |||
| 12 |
| ||||||
CPU_WR_N |
|
|
| 11 | ||||
CPU_PCS0_N | 13 |
|
|
| ||||
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| ||||||
CPU_PCS0_N |
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| ||||
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| 7 |
| 74VHC32 | ||||
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| |||||
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| +3VS |
|
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| ||||
+3VS |
|
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| U8B |
| ||
|
| 14 |
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| |||||||||
IOCS_WR_SET_N | 4 |
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| 74HC132 |
| ||||||
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| 6 |
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| |||||||
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| 5 |
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| 7 |
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S_BUFFER
+3VS
|
| 14 |
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| ||
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| 9 |
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| 8 |
|
RESET_N | 10 |
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| ||
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| |||
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| 7 |
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| U8C | |||
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| 74HC132 | |
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CPU_A1
CPU_A1CPU_A2 CPU_A2
IOCS_WR_SET_N
+3VS
R78
5.1K
OUT_BUFFER_OE_N
|
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| 74AHC244 | |
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| DVI_SCDT |
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| SPAREI |
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| CPU_D[0..7] | CPU_D[0..7] |
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| +3VS |
|
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| |||
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| |||
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| U17 | 20 |
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| RP24 | 47_RP |
|
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| |
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|
| CP U_D0 |
|
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|
| OUTLTCH1_1 |
|
|
| ||||
|
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|
| 2 | D1 | VCC | Q1 | 19 | 1 | 2 |
|
|
| |||
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| CP U_D1 |
|
| 3 | 18 | OUTLTCH1_2 | 3 | 4 |
|
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| ||||
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| D2 | Q2 |
|
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| ||||||||
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| CP U_D2 |
|
| 4 | D3 |
|
| Q3 | 17 | OUTLTCH1_3 | 5 | 6 |
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|
| CP U_D3 |
|
| 5 |
|
| 16 | OUTLTCH1_4 | 7 | 8 |
|
|
| ||
|
|
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|
|
| D4 |
|
| Q4 |
|
|
| ||||||
| +3VS |
|
|
|
| CP U_D4 |
|
| 6 |
|
| 15 | OUTLTCH1_5 | 1 | 2 |
|
|
| ||
|
|
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|
|
| D5 |
|
| Q5 |
|
|
| |||||||
|
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|
| CP U_D5 |
|
| 7 |
|
| 14 | OUTLTCH1_6 | 3 | 4 |
|
|
| ||
|
|
|
|
|
|
|
| D6 |
|
| Q6 |
|
|
| ||||||
| 16 |
|
|
|
| CP U_D6 |
|
| 8 |
|
| 13 | OUTLTCH1_7 | 5 | 6 |
|
|
| ||
|
|
|
|
|
|
| D7 |
|
| Q7 |
|
|
| |||||||
|
| U14B |
|
|
| CP U_D7 |
|
| 9 |
|
| 12 | OUTLTCH1_8 | 7 | 8 | DLP_SPARE |
| |||
14 |
| 12 |
|
|
|
| D8 |
|
| Q8 |
| |||||||||
A | Y0 |
|
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| ||||
|
|
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|
| GND |
|
|
|
|
|
|
| ||||
15 | G GNDVCC | Y3 | 9 | IOWR0_N | IOWR0_N |
|
| 11 |
|
|
|
|
| RP25 | 47_RP |
|
|
| ||
13 | B | Y1 | 11 |
|
| CLK |
|
|
|
|
|
|
| |||||||
|
| Y2 | 10 |
|
| OUT_BUFFER_OE_N | 1 | OC |
|
|
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| ||
|
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| ||
|
| 74VHC139 |
|
|
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|
|
| 74ABT574 | 10 |
|
|
|
|
| R75 | R76 | |||
| 8 |
|
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| |||||
|
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|
|
|
|
| +3VS |
|
|
|
|
| 10K | 10K | |
|
|
|
| CPU_D[0..7] |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
| CPU_D[0..7] |
|
|
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| ||
|
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| ||
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|
| U22 | 20 |
|
|
|
|
|
|
| ||
|
|
|
|
|
| CP U_D0 |
|
| 2 | D1 |
| Q1 | 19 | OUTSPARE1 |
|
|
|
|
| |
|
|
|
|
|
| CP U_D1 |
|
| 3 | D2 |
| VCC Q2 | 18 | OUTSPARE2 |
|
|
|
|
| |
|
|
|
|
|
| CP U_D2 |
|
| 4 | D3 |
| Q3 | 17 | OUTSPARE3 |
|
|
|
|
| |
|
|
|
|
|
| CP U_D3 |
|
| 5 |
| 16 | OUTSPARE4 |
|
|
|
|
| |||
|
|
|
|
|
|
|
| D4 |
| Q4 |
|
|
|
|
| |||||
|
|
|
|
|
| CP U_D4 |
|
| 6 |
| 15 | OUTSPARE5 |
|
|
|
|
| |||
|
|
|
|
|
|
|
| D5 |
| Q5 |
|
|
|
|
| |||||
|
|
|
|
|
| CP U_D5 |
|
| 7 |
| 14 | OUTSPARE6 |
|
|
|
|
| |||
|
|
|
|
|
|
|
| D6 |
| Q6 |
|
|
|
|
| |||||
|
|
|
|
|
| CP U_D6 |
|
| 8 |
| 13 | OUTSPARE7 |
|
|
|
|
| |||
|
|
|
|
|
|
|
| D7 |
| Q7 |
|
|
|
|
| |||||
|
|
|
|
|
| CP U_D7 |
|
| 9 |
| 12 | OUTSPARE8 |
|
|
|
|
| |||
|
|
|
|
|
|
|
| D8 |
| Q8 |
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
| IOWR0_N1 |
| OUT_BUFFER_OE_N | 11 | CLK | GND |
|
| R106 | R107 | R108 | R109 | R110 | ||||
|
|
|
|
|
| 1 |
|
| ||||||||||||
|
|
|
|
|
| OC |
|
|
| |||||||||||
|
|
|
|
|
|
|
|
|
| 74ABT574 |
|
| 0 | 0 | 0 | 0 | 0 | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
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| 10 |
|
|
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|
|
|
|
|
| SPAREO |
|
| |
|
|
|
|
|
|
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|
|
| +3VS |
|
|
|
|
|
|
|
| ||
|
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|
|
| R77 |
|
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| |
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|
|
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|
|
| 180 |
|
|
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| |
|
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| U18 |
|
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|
|
| 2 | VDD | 3 | RESETVCC |
|
|
|
| RESETVCC |
|
|
|
| |||
|
|
|
|
| GND |
|
|
|
|
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| |
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| |
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| RES | 1 |
|
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| |
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|
| AME8500BEET |
|
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| R118 |
|
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| |
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| 100K |
|
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| |
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| 2 |
|
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|
|
| R80 | 1K | 3.3VRESET |
|
|
|
|
| 3 |
| D3 |
|
|
|
|
| |
RESET_N |
|
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| BAV99 |
|
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| ||||
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| ||
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| 1 |
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| C88 |
|
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| 1U Z |
|
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|
10 |
|
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| |
|
|
|
MUX_SEL
TRIGGER SII141_PDO RM1_RST_N MCURESET POWERON WRITE_PROT DLP_SPARE
R111 R112 R113
0 0 0
Note: | All outputs are disabled |
|
after |
| |
IOCS_WR_SET_N is activated by | C | |
software. |
|
B
|
| +3VS |
|
|
|
C89 | C90 | C91 | C92 | C93 | C94 |
0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF | 0.1UF |
A
** Generate Harward RESET Singnal **
VDD
3 SOT23
1 | 2 |
RST | GND |
AME8500AF27
A
Benq Corporation
Project Code | Model Name |
| OEM/ODM Model Name | ||||||
| 99.J5877.001 |
| HT720G |
|
| NA |
| ||
Title |
| MAIN BOARD |
|
|
|
|
| ||
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
| |
Size | PCB P/N |
| PCB Rev. | Document Number |
| Rev. | |||
<Size> | 48.J5801.S02 |
| S02 | 0 | |||||
|
| ||||||||
Date: Thursday, January 16, 2003 |
| Sheet | 8 | o f | 10 |
| |||
| Prepared By |
| Reviewed By |
| Approved By |
| |||
| ANGEL HU | COLIN CHANG |
| BEN CHEN |
|
5
4
3
2
1