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1、ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L992PB.sch AV9 HDMI Multiplex Contact Engineer: L992PB 14-Jan-2010 INITIALS Printed:11Sheetof Notes: Contact Tel:(01223) 203200Phil Connor A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9QR Waterbeach A1 ARCAM DVD AV VCR
2、 Tape HOTPLUG to source will only go high when : 1.The source is selected AND 2. The HOTPLUG from the TV/Display is high AND 3. The 5V power from the source is high DVD_hotplug_out Sat_hotplug_out Sat_5v_in DVD_5v_inLP filter C64 100P 50V 0603 C65 100P 50V 0603 Gnd Gnd AV_hotplug_out VCR_hotplug_out
3、 VCR_5v_in AV_5v_in C67 100P 50V 0603 C66 100P 50V 0603 Gnd Gnd Tape_hotplug_out Tape_5v_in LP filter C68 100P 50V 0603 Gnd Display/TV Hotplug Tape_SDA_in Tape_SCL_in Channel Select S0 S1 S2 0 0 0 no signal 1 0 0 DVD 0 1 0 Sat 1 1 0 AV 0 0 1 VCR 1 0 1 Tape Others no signal HDMI spec has weak pullup
4、at sink (47k) and strong pullup at source (1k8) hence resistors below not-fitted on SDA, SCL. 12 IC14A 74HC04D SO-14 34 IC14B 74HC04D SO-14 89 IC14D 74HC04D SO-14 1011 IC14E 74HC04D SO-14 1213 IC14F 74HC04D SO-14 VCC 14 GND 7 IC14G 74HC04D SO-14 56 IC14C 74HC04D SO-14 A0 1 A1 2 A2 3 E1 4 E2 5 E3 6 Y
5、0 15 Y1 14 Y2 13 Y3 12 Y4 11 Y5 10 Y6 9 Y7 7 IC20A 74HC138D SO-16 VCC 16 GND 8 IC20B 74HC138D SO-16 DVD_SCL_in Sat_SDA_in AV_SDA_in AV_SCL_in VCR_SDA_in VCR_SCL_in Provision for extra current, Gnd Gnd DVD_CEC_in Sat_CEC_in VCR_CEC_in Tape_CEC_in AV_CEC_in TMDS_D2+ 4 NC 9 TMDS_D2- 33 3V3_SUPPLY 2 TMD
6、S_D1+ 7 GND 3 NC 35 TMDS_GND 5 NC 6 TMDS_GND 34 NC 32 NC 12 TMDS_D0- 27 TMDS_BYP 37 TMDS_CK+ 13 TMDS_D1- 30 5V_SUPPLY 1 +5V_OUT 38 TMDS_D0+ 10 NC 29 TMDS_GND 8 TMDS_GND 31 TMDS_GND 11 TMDS_GND 28 NC 26 TMDS_GND 14 TMDS_GND 25 TMDS_CK- 24 NC 15 CEC_IN 16 DDC_CLK_IN 17 DDC_DAT_IN 18 HOTPLUG_IN 19 HOTP
7、LUG_OUT 20 DDC_DAT_OUT 21 DDC_CLK_OUT 22 CEC_OUT 23 GND 36 IC13 CM2020-00TR TSSOP-38 Hotplug from Display Gnd Gnd Gnd +5VD Chassis_Gnd C24 10N 50V 0603 C25 10N 50V 0603 Chassis_Gnd Chassis_Gnd C23 10N 50V 0603 C26 10N 50V 0603 Chassis_Gnd Chassis ground will be a segment of the PCB ground plane elec
8、trically bonded to the outer enclosure but isolated from the signal ground plane. The AV8 will have chassis and signal ground connected through 100R somewhere else. R4 100R 0W063 0603 Chassis_Gnd Chassis_GndGnd R3 100R 0W063 0603 C9 10N 50V 0603 C11 10N 50V 0603 C13 10N 50V 0603 C15 10N 50V 0603 C54
9、 10uF 10V 1206 +3V3D C20 10N 50V 0603 C18 10N 50V 0603 C57 10uF 10V 1206 +5VD GndGnd Gnd C10 10N 50V 0603 C12 10N 50V 0603 C14 10N 50V 0603 C16 10N 50V 0603 C55 10uF 10V 1206 +3V3D Gnd C32 10N 50V 0603 C33 10N 50V 0603 C34 10N 50V 0603 C35 10N 50V 0603 C59 10uF 10V 1206 +3V3D Gnd C45 10N 50V 0603 C4
10、6 10N 50V 0603 C47 10N 50V 0603 C48 10N 50V 0603 C62 10uF 10V 1206 +3V3D Gnd GndGndGnd GndGndGnd GndGndGnd N.B. Hotplug output must satisfy TTL signal thresholds so require HCT family device Select signals are derived from HC logic running 3v3. (HC138 and HC04). Sat Sat_hotplug_out Sat_SDA_in Sat_SC
11、L_in Gnd Sat_CEC_in Gnd +5VD Chassis_Gnd Chassis_Gnd GndGnd C1 10N 50V 0603 C4 10N 50V 0603 C28 10N 50V 0603 C30 10N 50V 0603 DVD_hotplug_out DVD_SDA_in DVD_SCL_in Gnd DVD_CEC_in Gnd +5VD Chassis_Gnd Chassis_Gnd GndGnd C2 10N 50V 0603 C5 10N 50V 0603 C3 10N 50V 0603 C6 10N 50V 0603 AV_hotplug_out AV
12、_SDA_in AV_SCL_in Gnd AV_CEC_in Gnd +5VD Chassis_Gnd Chassis_Gnd GndGnd C27 10N 50V 0603 C29 10N 50V 0603 C38 10N 50V 0603 C41 10N 50V 0603 VCR_hotplug_out VCR_SDA_in VCR_SCL_in Gnd VCR_CEC_in Gnd +5VD Chassis_Gnd Chassis_Gnd GndGnd C39 10N 50V 0603 C42 10N 50V 0603 C40 10N 50V 0603 C43 10N 50V 0603
13、 Tape_SDA_in Tape_SCL_in Gnd Tape_CEC_in Gnd +5VD Chassis_Gnd Chassis_Gnd GndGnd C49 10N 50V 0603 C51 10N 50V 0603 C50 10N 50V 0603 C52 10N 50V 0603 X0 4 X1 5 X2 6 X3 7 X4 12 X5 11 X6 10 X7 9 EN 2 A0 1 A1 16 A2 15 V- 3 D 8 GND 14 V+ 13 IC10 DG408LDY SO-16 TV_HPlg_in TV_CEC TV_HPlg_in TV_CEC C44 10N
14、50V 0603 Gnd C53 10N 50V 0603 Gnd C31 10N 50V 0603 Gnd C7 10N 50V 0603 Gnd C8 10N 50V 0603 Gnd Gnd 75mA limited R2 100R 0603 R1 100R 0W063 0603 R5 100R 0W063 0603 R7 100R 0W063 0603 R8 100R 0W063 0603 Since no level shift no rise-time problem at 3v3 threshold. DVD_SDA_in Sat_SCL_in Tape_hotplug_out
15、DVD_5v_in Sat_5v_in AV_5v_in VCR_5v_in Tape_5v_in Q0 9 Q1 7 Q2 6 Q3 5 Q4 3 Q5 2 Q6 4 Q7 13 MR 11 CP 10 Q8 12 Q9 14 Q10 15 Q11 1 IC21A 74HCT4040D SO-16 Channel 0 no data to give blank display Un-used inputs must be tied to a known state. eg. IN to 3v3 and /IN to 1v6. See datasheet p3. VCC 16 GND 8 IC
16、21B 74HCT4040D SO-16 CP MR Qn _ X H L (clear) toggle L count FE of CP nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc nc Gnd Gnd Gnd 2.5v 8 mA nc nc Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd nc nc nc nc nc nc nc nc nc +5VD Gnd C74 100N 16V 0603 +5VD Gnd C70 100N 16V 0603 +5VD Gnd C
17、71 100N 16V 0603 +5VD Gnd C73 100N 16V 0603 +5VD Gnd C72 100N 16V 0603 +5VD Gnd C69 100N 16V 0603 C77 220P 50V 0603 C78 220P 50V 0603 R10 100R 0W063 0603 GndGnd Clear Clock Gnd Gnd Gnd +5VD +5VD +5VD C21 10N 50V 0603 C19 10N 50V 0603 C58 10uF 10V 1206 +3V3D GndGnd nf nf nf nf nf nf nf nf nf nc nc Gn
18、d C17 10N 50V 0603 C56 10uF 10V 1206 Gnd C37 10N 50V 0603 C61 10uF 10V 1206 Gnd C36 10N 50V 0603 C60 10uF 10V 1206 +5VD +5VD +5VD +5VD Gnd Gnd C63 100P 50V 0603 Gnd R6 100R 0W063 0603 R46 10K 0W063 0603 R45 10K 0W063 0603 R44 10K 0W063 0603 R43 10K 0W063 0603 R42 10K 0W063 0603 Gnd +5v1 Gnd +3v3 +3v
19、3 Gnd 1 2 3 4 5 6 7 8 CON3 AMP CT R47 10K 0W063 0603 R48 10K 0W063 0603 Gnd 150mA typ 800mA typ 5v OK 5v is OK R18 47K 0W063 0603 +5VD R11 15K 0W063 0603 Gnd Hotplug 47k - see CM2021 datasheet fig 4. R17 47K 0W063 0603 +5VD R19 47K 0W063 0603 +5VD R20 47K 0W063 0603 +5VD R21 47K 0W063 0603 +5VD R12
20、15K 0W063 0603 Gnd R14 15K 0W063 0603 Gnd R15 15K 0W063 0603 Gnd R16 15K 0W063 0603 Gnd tracks can be cut if not required. R13 15K 0W063 0603 nc - for channel 0 since no hotplug out signal Input Connects to SK903 on L896. 10k pull-up is for boot signaling. Connect to Auxillary PSU VLT40-3203 Supplyi
21、ng 5v100 mA and 3v3800 mA. Minimum Loads - 5v1 = 100mA 3v3 = 500mA 1 2 3 4 5 6 7 8 CON2 AMP CT Output Connects to PLL Board L948, SKT1 Pins 2 and 3 go to DGnd on L948. nc nc ITEM7BLANK PCB AV9 HDMI MUX PCB1BLANK PCB AV9 HDMI MUX PCBL992PB?30* nc (-12v) R34 47R 2W CF not fitted X0 4 X1 5 X2 6 X3 7 X4
22、 12 X5 11 X6 10 X7 9 EN 2 A0 1 A1 16 A2 15 V- 3 D 8 GND 14 V+ 13 IC11 DG408LDY SO-16 X0 4 X1 5 X2 6 X3 7 X4 12 X5 11 X6 10 X7 9 EN 2 A0 1 A1 16 A2 15 V- 3 D 8 GND 14 V+ 13 IC12 DG408LDY SO-16 5v_Supply 1 LV_Supply 2 Gnd 3 TMDS_D2+ 4 TMDS_Gnd 5 TMDS_D2- 6 TMDS_D1+ 7 TMDS_Gnd 8 TMDS_D1- 9 TMDS_D0+ 10
23、TMDS_Gnd 11 TMDS_D0- 12 TMDS_CK+ 13 TMDS_Gnd 14 TMDS_CK- 15 CE_Remote_in 16 DDC_Clk_in 17 DDC_Dat_in 18 Hotplug_Det_in 19 Hotplug_Det_out 20 DDC_Dat_out 21 DDC_Clk_out 22 CE_Remote_out 23 TMDS_Ck- 24 TMDS_Gnd 25 TMDS_Ck+ 26 TMDS_D0- 27 TMDS_Gnd 28 TMDS_D0+ 29 TMDS_D1- 30 TMDS_Gnd 31 TMDS_D1+ 32 TMDS
24、_D2- 33 TMDS_Gnd 34 TMDS_D2+ 35 Gnd 36 TMDS_BYP 37 NC 38 Con. side Circ. side IC2 CM2021-00TR TSSOP-38 5v_Supply 1 LV_Supply 2 Gnd 3 TMDS_D2+ 4 TMDS_Gnd 5 TMDS_D2- 6 TMDS_D1+ 7 TMDS_Gnd 8 TMDS_D1- 9 TMDS_D0+ 10 TMDS_Gnd 11 TMDS_D0- 12 TMDS_CK+ 13 TMDS_Gnd 14 TMDS_CK- 15 CE_Remote_in 16 DDC_Clk_in 17
25、 DDC_Dat_in 18 Hotplug_Det_in 19 Hotplug_Det_out 20 DDC_Dat_out 21 DDC_Clk_out 22 CE_Remote_out 23 TMDS_Ck- 24 TMDS_Gnd 25 TMDS_Ck+ 26 TMDS_D0- 27 TMDS_Gnd 28 TMDS_D0+ 29 TMDS_D1- 30 TMDS_Gnd 31 TMDS_D1+ 32 TMDS_D2- 33 TMDS_Gnd 34 TMDS_D2+ 35 Gnd 36 TMDS_BYP 37 NC 38 Con. side Circ. side IC1 CM2021-
26、00TR TSSOP-38 5v_Supply 1 LV_Supply 2 Gnd 3 TMDS_D2+ 4 TMDS_Gnd 5 TMDS_D2- 6 TMDS_D1+ 7 TMDS_Gnd 8 TMDS_D1- 9 TMDS_D0+ 10 TMDS_Gnd 11 TMDS_D0- 12 TMDS_CK+ 13 TMDS_Gnd 14 TMDS_CK- 15 CE_Remote_in 16 DDC_Clk_in 17 DDC_Dat_in 18 Hotplug_Det_in 19 Hotplug_Det_out 20 DDC_Dat_out 21 DDC_Clk_out 22 CE_Remo
27、te_out 23 TMDS_Ck- 24 TMDS_Gnd 25 TMDS_Ck+ 26 TMDS_D0- 27 TMDS_Gnd 28 TMDS_D0+ 29 TMDS_D1- 30 TMDS_Gnd 31 TMDS_D1+ 32 TMDS_D2- 33 TMDS_Gnd 34 TMDS_D2+ 35 Gnd 36 TMDS_BYP 37 NC 38 Con. side Circ. side IC3 CM2021-00TR TSSOP-38 5v_Supply 1 LV_Supply 2 Gnd 3 TMDS_D2+ 4 TMDS_Gnd 5 TMDS_D2- 6 TMDS_D1+ 7 T
28、MDS_Gnd 8 TMDS_D1- 9 TMDS_D0+ 10 TMDS_Gnd 11 TMDS_D0- 12 TMDS_CK+ 13 TMDS_Gnd 14 TMDS_CK- 15 CE_Remote_in 16 DDC_Clk_in 17 DDC_Dat_in 18 Hotplug_Det_in 19 Hotplug_Det_out 20 DDC_Dat_out 21 DDC_Clk_out 22 CE_Remote_out 23 TMDS_Ck- 24 TMDS_Gnd 25 TMDS_Ck+ 26 TMDS_D0- 27 TMDS_Gnd 28 TMDS_D0+ 29 TMDS_D1
29、- 30 TMDS_Gnd 31 TMDS_D1+ 32 TMDS_D2- 33 TMDS_Gnd 34 TMDS_D2+ 35 Gnd 36 TMDS_BYP 37 NC 38 Con. side Circ. side IC4 CM2021-00TR TSSOP-38 5v_Supply 1 LV_Supply 2 Gnd 3 TMDS_D2+ 4 TMDS_Gnd 5 TMDS_D2- 6 TMDS_D1+ 7 TMDS_Gnd 8 TMDS_D1- 9 TMDS_D0+ 10 TMDS_Gnd 11 TMDS_D0- 12 TMDS_CK+ 13 TMDS_Gnd 14 TMDS_CK-
30、 15 CE_Remote_in 16 DDC_Clk_in 17 DDC_Dat_in 18 Hotplug_Det_in 19 Hotplug_Det_out 20 DDC_Dat_out 21 DDC_Clk_out 22 CE_Remote_out 23 TMDS_Ck- 24 TMDS_Gnd 25 TMDS_Ck+ 26 TMDS_D0- 27 TMDS_Gnd 28 TMDS_D0+ 29 TMDS_D1- 30 TMDS_Gnd 31 TMDS_D1+ 32 TMDS_D2- 33 TMDS_Gnd 34 TMDS_D2+ 35 Gnd 36 TMDS_BYP 37 NC 38
31、 Con. side Circ. side IC5 CM2021-00TR TSSOP-38 IN5 1 VREF-AC2 2 /IN4 3 VT4 4 IN4 5 NC 6 /IN3 7 VT3 8 IN3 9 VREF-AC1 10 /IN2 11 VT2 12 IN2 13 /IN1 14 VT1 15 IN1 16 VREF-AC0 17 /IN0 18 VT0 19 IN0 20 SEL0 21 SEL1 22 GND 23 VCC 24 Q0 25 /Q0 26 VCC 27 GND 28 VCC 29 Q1 30 /Q1 31 VCC 32 GND 33 NC 34 SEL2 3
32、5 /IN7 36 VT7 37 IN7 38 VREF-AC3 39 /IN6 40 VT6 41 IN6 42 /IN5 43 VT5 44 SY58037UMI 8:1 MUX Pad 45 IC6 SY58037UMI SM IN5 1 VREF-AC2 2 /IN4 3 VT4 4 IN4 5 NC 6 /IN3 7 VT3 8 IN3 9 VREF-AC1 10 /IN2 11 VT2 12 IN2 13 /IN1 14 VT1 15 IN1 16 VREF-AC0 17 /IN0 18 VT0 19 IN0 20 SEL0 21 SEL1 22 GND 23 VCC 24 Q0
33、25 /Q0 26 VCC 27 GND 28 VCC 29 Q1 30 /Q1 31 VCC 32 GND 33 NC 34 SEL2 35 /IN7 36 VT7 37 IN7 38 VREF-AC3 39 /IN6 40 VT6 41 IN6 42 /IN5 43 VT5 44 SY58037UMI 8:1 MUX Pad 45 IC7 SY58037UMI SM IN5 1 VREF-AC2 2 /IN4 3 VT4 4 IN4 5 NC 6 /IN3 7 VT3 8 IN3 9 VREF-AC1 10 /IN2 11 VT2 12 IN2 13 /IN1 14 VT1 15 IN1
34、16 VREF-AC0 17 /IN0 18 VT0 19 IN0 20 SEL0 21 SEL1 22 GND 23 VCC 24 Q0 25 /Q0 26 VCC 27 GND 28 VCC 29 Q1 30 /Q1 31 VCC 32 GND 33 NC 34 SEL2 35 /IN7 36 VT7 37 IN7 38 VREF-AC3 39 /IN6 40 VT6 41 IN6 42 /IN5 43 VT5 44 SY58037UMI 8:1 MUX Pad 45 IC8 SY58037UMI SM IN5 1 VREF-AC2 2 /IN4 3 VT4 4 IN4 5 NC 6 /I
35、N3 7 VT3 8 IN3 9 VREF-AC1 10 /IN2 11 VT2 12 IN2 13 /IN1 14 VT1 15 IN1 16 VREF-AC0 17 /IN0 18 VT0 19 IN0 20 SEL0 21 SEL1 22 GND 23 VCC 24 Q0 25 /Q0 26 VCC 27 GND 28 VCC 29 Q1 30 /Q1 31 VCC 32 GND 33 NC 34 SEL2 35 /IN7 36 VT7 37 IN7 38 VREF-AC3 39 /IN6 40 VT6 41 IN6 42 /IN5 43 VT5 44 SY58037UMI 8:1 MU
36、X Pad 45 IC9 SY58037UMI SM Gnd Gnd Gnd Gnd 05_E130PJC27/6/05Preliminary BOM IssueA D0 3 Q0 2 D1 4 Q1 5 D2 7 Q2 6 D3 8 Q3 9 D4 13 Q4 12 D5 14 Q5 15 D6 17 Q6 16 D7 18 Q7 19 OE 1 CLK 11 IC99A 74HC374D SO-20 VCC 20 GND 10 IC99B 74HC374D SO-20 Gnd Hold time wrt RE of Clk = 5 ns. Setup time wrt RE of Clk
37、=18 ns. RC approx 100 ns 74HCT4040 function +5VD Gnd C99 100N 16V 0603 R9 470R 0W063 0603 HC374 Latch Sequence - - Clear and Clock are high - Clear goes low. - 4040 counts FE of Clock. - Clear goes high. - 374 latches counter outputs. - 4040 clears after 100 ns. - Clear maintained high. - Clock main
38、tained high. Data2+ 1 D2_Shield 2 Data2- 3 Data1+ 4 D1_Shield 5 Data1- 6 Data0+ 7 D0_Shield 8 Data0- 9 Clock+ 10 Clk_Shield 11 Clock- 12 CEC 13 n/c 14 SCL 15 SDA 16 DDC/CEC Gnd 17 +5V 18 H/Plg Detect 19 SCN 22 SCN 23 SCN 21 SCN 20 SKT2 MOLEX 500254 Data2+ 1 D2_Shield 2 Data2- 3 Data1+ 4 D1_Shield 5
39、Data1- 6 Data0+ 7 D0_Shield 8 Data0- 9 Clock+ 10 Clk_Shield 11 Clock- 12 CEC 13 n/c 14 SCL 15 SDA 16 DDC/CEC Gnd 17 +5V 18 H/Plg Detect 19 SCN 22 SCN 23 SCN 21 SCN 20 SKT1 MOLEX 500254 Data2+ 1 D2_Shield 2 Data2- 3 Data1+ 4 D1_Shield 5 Data1- 6 Data0+ 7 D0_Shield 8 Data0- 9 Clock+ 10 Clk_Shield 11 C
40、lock- 12 CEC 13 n/c 14 SCL 15 SDA 16 DDC/CEC Gnd 17 +5V 18 H/Plg Detect 19 SCN 22 SCN 23 SCN 21 SCN 20 SKT4 MOLEX 500254 Data2+ 1 D2_Shield 2 Data2- 3 Data1+ 4 D1_Shield 5 Data1- 6 Data0+ 7 D0_Shield 8 Data0- 9 Clock+ 10 Clk_Shield 11 Clock- 12 CEC 13 n/c 14 SCL 15 SDA 16 DDC/CEC Gnd 17 +5V 18 H/Plg
41、 Detect 19 SCN 22 SCN 23 SCN 21 SCN 20 SKT5 MOLEX 500254 Data2+ 1 D2_Shield 2 Data2- 3 Data1+ 4 D1_Shield 5 Data1- 6 Data0+ 7 D0_Shield 8 Data0- 9 Clock+ 10 Clk_Shield 11 Clock- 12 CEC 13 n/c 14 SCL 15 SDA 16 DDC/CEC Gnd 17 +5V 18 H/Plg Detect 19 SCN 22 SCN 23 SCN 21 SCN 20 SKT6 MOLEX 500254 Data2+
42、1 D2_Shield 2 Data2- 3 Data1+ 4 D1_Shield 5 Data1- 6 Data0+ 7 D0_Shield 8 Data0- 9 Clock+ 10 Clk_Shield 11 Clock- 12 CEC 13 n/c 14 SCL 15 SDA 16 DDC/CEC Gnd 17 +5V 18 H/Plg Detect 19 SCN 22 SCN 23 SCN 21 SCN 20 SKT3 MOLEX 500254 1 FIX1 Dia 3.5mm 1 FIX2 Dia 3.5mm 1 23 4 ITEM1 1 1 23 4 ITEM2 1 Chassis
43、_GndChassis_GndChassis_Gnd ncnc R52 1K0 0603 R53 1K0 0603 R51 1K0 0603 R50 1K0 0603 R49 1K0 0603 R36 0R0 1206 R37 0R0 1206 R38 0R0 1206 R39 0R0 1206 R22 300R 0603 R23 300R 0603 R24 300R 0603 R25 300R 0603 R26 300R 0603 R27 300R 0603 R28 300R 0603 R29 300R 0603 R30 300R 0603 R31 300R 0603 R32 300R 06
44、03 R33 300R 0603 Ground continuity Decoupling caps C104 10N 50V 0603 Gnd +3V3D C105 10N 50V 0603 Gnd +3V3D C106 10N 50V 0603 Gnd +3V3D C107 10N 50V 0603 Gnd +3V3D C100 10N 50V 0603 Gnd +3V3D C101 10N 50V 0603 Gnd +3V3D C102 10N 50V 0603 Gnd +3V3D C103 10N 50V 0603 Gnd +3V3D C120 10N 50V 0603 Gnd C12
45、1 10N 50V 0603 Gnd C122 10N 50V 0603 Gnd C123 10N 50V 0603 Gnd C124 10N 50V 0603 Gnd C125 10N 50V 0603 Gnd 1 2 3 IC17A 74HCT08D SO-14 4 5 6 IC17B 74HCT08D SO-14 8 9 10 IC17C 74HCT08D SO-14 11 12 13 IC17D 74HCT08D SO-14 VCC 14 GND 7 IC17E 74HCT08D SO-14 1 2 3 IC18A 74HCT08D SO-14 4 5 6 IC18B 74HCT08D
46、 SO-14 8 9 10 IC18C 74HCT08D SO-14 11 12 13 IC18D 74HCT08D SO-14 VCC 14 GND 7 IC18E 74HCT08D SO-14 1 2 3 IC19A 74HCT08D SO-14 4 5 6 IC19B 74HCT08D SO-14 8 9 10 IC19C 74HCT08DSO-14 11 12 13 IC19D 74HCT08D SO-14 VCC 14 GND 7 IC19E 74HCT08D SO-14 05_E150PJC22/7/05First Prototype (Issue A) manufactureB
47、R99 150R 0W063 0603 R98 150R 0W063 0603 R93 150R 0W063 0603 R92 150R 0W063 0603 R95 150R 0W063 0603 R94 150R 0W063 0603 R97 150R 0W063 0603 R96 150R 0W063 0603 TOOL1TOOL2TOOL3TOOL4 1 2 3 4 5 6 Con1 Molex 41792 FD1FD2 C140 10N 50V 0603 Gnd +3V3D C141 10N 50V 0603 Gnd +3V3D C142 10N 50V 0603 Gnd +3V3D
48、 C143 10N 50V 0603 Gnd +3V3D C112 10N 50V 0603 Gnd +3V3D C113 10N 50V 0603 Gnd +3V3D C114 10N 50V 0603 Gnd +3V3D C115 10N 50V 0603 Gnd +3V3D C128 10N 50V 0603 Gnd +3V3D C129 10N 50V 0603 Gnd +3V3D C130 10N 50V 0603 Gnd +3V3D C131 10N 50V 0603 Gnd +3V3D C144 10N 50V 0603 Gnd +3V3D C145 10N 50V 0603 G
49、nd +3V3D C136 10N 50V 0603 Gnd +3V3D C137 10N 50V 0603 Gnd +3V3D C138 10N 50V 0603 Gnd +3V3D C139 10N 50V 0603 Gnd +3V3D C132 10N 50V 0603 Gnd +3V3D C133 10N 50V 0603 Gnd +3V3D C134 10N 50V 0603 Gnd +3V3D C135 10N 50V 0603 Gnd +3V3D C116 10N 50V 0603 Gnd +3V3D C117 10N 50V 0603 Gnd +3V3D C118 10N 50V 0603 Gnd +3V3D C119 10N 50V 0603 Gnd +3V3D C108 10N 50V 0603 Gnd +3V3D C109 10N 50V 0603 Gnd +3V3D C110 10N 50V 0603 Gnd +3V3D C111
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