Classe-CDP10-cd-sm维修电路原理图.pdf

RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 123456 A B C D 654321 D C B A Title NumberRevisionSize Tabloid Date:19-May-2002Sheet of File:C:Projects Classe.CDP10-SUP.schDrawn By:Peter Schut Class Audio Inc, 5070 Franois Cusson Lachine, Qubec, Canada H8T 1B3 LK2 LINK LK1 LINK LK3 LINK LK5 LINK LK6 LINK LK4 LINK 100V = LK2-LK3-LK6 120V = LK1-LK3-LK5 220V = LK2-LK4 240V = LK1-LK4 C601 10n C602 10n C603 10n C604 10n D601 SF4004 D602 SF4004 D603 SF4004 D604 SF4004 IN ADJ OUT U601 LM317 C626 100n C627 100n IN ADJ OUT U602 LM337 R601 243RR604 243R R602 2K21 R603 2K21 + C631 100/25V + C632 100/25V D618 1N4002 D619 1N4002 D617 1N4002 D620 1N4002 -12VA +12VA + C617 2200/35V NICH + C618 2200/35V NICH + C619 2200/35V NICH + C620 2200/35V NICH + C634 2200/35V NICH + C635 2200/35V NICH C605 10n C606 10n C607 10n C608 10n D605 SF4004 D606 SF4004 D607 SF4004 D608 SF4004 AGND C609 10n C610 10n C611 10n C612 10n D609 SF4004 D610 SF4004 D611 SF4004 D612 SF4004 C613 10n C614 10n C615 10n C616 10n D613 SF4004 D614 SF4004 D615 SF4004 D616 SF4004 + C621 2200/35V NICH + C622 2200/35V NICH Vin 1 +12V 3 GND 2 U604 7812 C628 100n + C636 4700/16V NICH Vin 1 +5V 3 GND 2 U605 7805 Vin 1 +5V 3 GND 2 U607 7805 C639 100n C640 100n + C642 4700/16V NICH + C643 4700/16V NICH D621 1N4002 +5VC +5VD +12VD DGND Classe CD 0.4 Supply board 2001-CL-002-2 C630 100n R606 243R R605 3K62 +C633 22/35V D623 1N4002 D624 1N4002 IN ADJ OUT U608 LT337A + C625 1000/50V NICH + C638 1000/50V NICH +C641 1000/50V NICH Z601 2.5V/1W R609e 100R 1W VKKVVF-V-DIS IN ADJ OUT U603 LM317 C645 100n R608 312R R607 887R +C646 100/25V D626 1N4002 D625 1N4002 +5VA + C644 2200/35V NICH + C647 4700/16V NICH AGND +12VA -12VA +12VA AGND +5VD +12VC +5VA DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 CN602 26P BOX HEADER AGND AGND AGND +12VA -12VA +5VD +5VA AGND AGND DGND +12VC DGND DGND DGND DGND DGND DGND 17 12 1810 6 8 5 1 3 13 11 14 19 20 TR601 PLITRON 60VA CD04 1 2 3 CN601 3P POWER-SCREW GND DB601 DB C648 100N/KT DGND 1 2 3 CN605 MINI JACK 1 2 3 CN606 MINI JACK 1 2 3 CN604 MINI JACK 1 23 4 OC601 TLP621 Vin 1 +12V 3 GND 2 U606 7812 C629 100n D622 1N4002 +12VC DGND + C637 4700/16V NICH + C624 2200/35V NICH FB601 BEAD + C623 2200/35V NICH TO DAC BOARD VKK VVF +5VC IR1-IN TX RX +5V-TRIG IR-OUT1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CN607 14P BOX HEADER DGND DE TO CONTROL BOARD +12VC R611 1K00 DGND DGND R610 1K00 TRIGGER IR-OUT IR-IN IR1-IN IR-OUT1 DGND DGND DGND +5VD +5VD TO OUTPUT MUTE RELAIS DGND R613 100R R612 100R 1 (1-DSUB9) 6 (8-DSUB9) 2 (6-DSUB9) 7 (4-DSUB9) 3 (2-DSUB9) 8 (9-DSUB9) 4 (7-DSUB9) 9 (5-DSUB9) 5 (3-DSUB9) 10 (N.C.) CN608 BOX10P 1 (1-DSUB9) 6 (8-DSUB9) 2 (6-DSUB9) 7 (4-DSUB9) 3 (2-DSUB9) 8 (9-DSUB9) 4 (7-DSUB9) 9 (5-DSUB9) 5 (3-DSUB9) 10 (N.C.) CN609 BOX10P RS422-MALE RS422-FEMALE 2 REB 3 DE 4 5 GND 6 GND 7 9 10 11 12 +V 14 U609 LTC491CN DGND DGND+5VC C649 100n DGND 11 R609d 100R 1W R609c 100R 1W R609b 100R 1W R609a 100R 1W 14V-1A 14V-1A 14V-1A 18V-1A C May 19-2002 R609f 300R 1W 123456 A B C D 654321 D C B A Title NumberRevisionSize Tabloid Date:19-May-2002Sheet of File:C:Projects Classe.CDP10-DAC_SRC.SCH Drawn By:Peter Schut Class Audio Inc, 5070 Franois Cusson Lachine, Qubec, Canada H8T 1B3 SFMT0 4 RST 9 H/S 24 DFC0 2 DFC1 27 S/AES 20 +VD 23 DGND 22 +VA 6 AGND 7 FILTER 8 TXN 25 CUV-EN 19 COPY/C 1 OLRCK 17 OSCLK 16 SFMT1 5 TXP 26 ORIG/U 28 EMPH/V 3 SDOUT 18 ILRCK 12 ISCLK 13 SDIN 14 TCBL 15 OMCK 21 RMCK 10 LOCK 11 U302 CS8420 +5VD DGND DGND +5VD DGND DGND HARDWARE MODE 2 WCK BCK DATA 16.9344 DGND +5VD IF2/OF2 +5VD 24.576 R306 1K78 DGND R304 47K5 R305 47K5 R302 47K5 +5VD R301 47K5 +5VD DGND EN 15 SEL (B) 1 MUX 1A 2 1B 3 1out 4 2A 5 2B 6 2out 7 3A 11 3B 10 3out 9 4A 14 4B 13 4out 12 VCC 16 GND 8 U301 74LV157 DGND DGND 3.3V DGND DGND C304 470N/KT C303 8.2n R303 100R C301 10p/CER DGND C302 100n X301 24.576 DGND C309 22p/CER C308 100n C310 22p/CER +C307 10u/16 1 12 U303A 74HCU04 T301 BC857C 34 1 U303B 74HCU04 56 1 U303C 74HCU04 + C306 10u/16 98 1 U303D 74HCU04 1110 1 U303E 74HCU04 DGND 1312 1 U303F 74HCU04 +V 14 GND 7 U303G 74HCU04 DGND R308 220R R309 47R5 C305 22p/CER +5VD DGND 24.576 I2S-WCK I2S-DATA R307 1M00 I2S-BCK I2S-MCK SRC-ON Classe CDP10 DAC board UPSAMPLING 2001-CL-002-1 DGNDDGND SRC-OFF R310 10K 24 R311 475R TO PMD200 TO CONTROL BOARD C May 19-2002 123456 A B C D 654321 D C B A Title NumberRevisionSize Tabloid Date:19-May-2002Sheet of File:C:Projects Classe.CDP10-DAC_PMD.SCH Drawn By:Peter Schut Class Audio Inc, 5070 Franois Cusson Lachine, Qubec, Canada H8T 1B3 MODD 1 MODB 2 MODA 3 WCKO 4 LRCI 5 BCKO 6 BCKI 7 VCCS 8 GNDS 9 GNDG 10 VCCQL 11 GNDQ 12 SMUTE 13 DOL 14 VCCQH 15 DOR 16 HMUTE 17 ZERO 94 DEEMP 19 DIN 20 VCCS 21 GNDS 22 SS/HA2 23 MOSI/HA0 24 MISO/SDA 25 SCK/SCL 26 HREQ 27 PINIT 28 RESET 29 VCCP 31 PCAP 32 GNDP 33 EXTAL 34 VCCQH 35 GNDQ 36 VCCQL 37 VCCC 42 GNDC 43 VCCA 48 GNDA 49 VCCA 55 GNDA 56 VCCQH 61 VCCA 63 GNDA 64 GNDQ 65 VCCQL 66 VCCA 71 GNDA 72 GNDG 75 GNDG 76 GNDG 77 GNDG 78 VCCD 79 GNDD 80 GNDG 81 GNDG 82 GNDG 83 GNDG 84 VCCQL 87 GNDQ 88 VCCQH 89 HDCD 91 VCCS 92 GNDS 93 SPI/I2C 18 VCCG 95 GAIN 96 GNDG 38 U201 PMD-200 I2S-WCK I2S-DATA I2S-BCK I2S-MCK DGND DGND DGND DGND DGND DGND 3.3V 3.3V 3.3V 3.3V 3.3V 3.3V 3.3VP DGND DGND DGND DGND +5VD 3.3V DGND DGND ERROR +C212 10u/16 C211 100n C210 100n +C215 10u/16 C214 100n C216 100n C209 100n DGND 3.3V C202 10N/KP C201 680P/KP 3.3V Vin 3 Vout 4 1 GND Vout 2 U202 REG1117-3.3V L202 BEAD DGND +C206 10u/16 + C207 10u/16 3.3V +C213 10u/16 L201 680nH 3.3VP + C204 10u/16 C203 100n DGND DGND PMD-WCKO PMD-BCKO PMD-DLO PMD-DRO PMD-SPI-SCK PMD-SPI-SS PMD-SPI-MOSI PMD-SPI-MISO Classe CDP10 DAC board PMD-200 2001-CL-002-1 PMD-HDCD PMD-RESET + C208 100u/6.3 + C205 47u/16 34 TO DACS TO CONTROL BOARD FROM SRC C May 19-2002 123456 A B C D 654321 D C B A Title NumberRevisionSize Tabloid Date:19-May-2002Sheet of File:C:Projects Classe.CDP10-DAC_INP.sch Drawn By:Peter Schut Class Audio Inc, 5070 Franois Cusson Lachine, Qubec, Canada H8T 1B3 Classe CDP10 DAC board digital input 2001-CL-002-1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 CN401 22P CON TO CONNECTOR 1208 FROM TRANSPORT DGND X401 16.9344 PRE 4 CLK 3 D 2 CLR 1 Q 5 Q 6 +VD 14 GND 7 PRE 10 CLK 11 D 12 CLR 13 Q 9 Q 8 U402 74HC74 DGND +5V-CLK 1 12 U401A 74HCU04 34 1 U401B 74HCU04 56 1 U401C 74HCU04 98 1 U401D 74HCU04 1110 1 U401E 74HCU04 1312 1 U401F 74HCU04 +V 14 GND 7 U401G 74HCU04 R404 220R R402 47R5 C416 DP DGND R403 1M00 DGND DGND 8.4672 16.9344 DSA-RST DOBM DGND WCK BCK DATA DGND MASTER CLOCK FOR TRANSPORT AND PMD200 +5V-CLK DGND FB402 BEAD +12VD DGND FB403 BEAD DGND +5VD DGND DGND DGND DSA-ACK DSA-STROBE DSA-DATA =1 1 2 3 U404A 74HC86 4 5 6 =1 U404B 74HC86 9 10 8 =1 U404C 74HC86 12 13 11 =1 U404D 74HC86 +V 14 GND 7U404E 74AC86 +5V-CLK DGND DOBM R405 75R0 +5V-CLK +5V-CLK R406 698R R407 698R 1 2 3 4 6 12 TR401 SC944-05 C409 470N/KTR408 374R L401 100nH C411 68p C412 68p 1 2 34 5 CN404 RCA GND DB401 STANDOFF C413 100N/KT DGND R409 100R R401 10R0 C405 100n Vin 1 +5V 3 GND 2 U403 7805 +12VD FB401 BEAD +5V-CLK DGND SPDIF OUT DGND DGND + C404 47u/16 + C414 47u/16 + C415 47u/16 + C401 47u/16 + C403 47u/16 C410 100n C408 100n C406 22P C407 22P C402 100n UPSAMPLER AND DATA SWITCH CDP10-DAC_SRC.SCH HDCD FILTER CDP10-DAC_PMD.SCH SRC-OFF 1738-SPI-SCK 1738-SPI-DI 1738 SPI-CS 1738 RESET PMD-SPI-SCK PMD-SPI-SS PMD-SPI-MOSI PMD-SPI-MISO PMD-HDCD PMD-RESET DGND DGND DGND DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 CN402 34P BOX HEADER -12VA +12VA AGND +5VC +5VD +12VD +5VA DGND DGND DGND DGND DSA-RST DSA-ACK DSA-STROBE DSA-DATA -output mute DGND DGND DGND DGND DGND DGND DGND DGND DGND DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 CN403 26P BOX HEADER AGND AGND AGND +12VA -12VA +5VD +5VC +5VA AGND AGND DGND +12VD DGND DGND DGND DGND DGND AGND DGND GC401 GC DGND 14 ERROR D/A CONVERSION AND OUTPUT STAGE CDP10-DAC_CON.SCH C May 19-2002 123456 A B C D 654321 D C B A Title NumberRevisionSize Tabloid Date:19-May-2002Sheet of File:C:Projects Classe.CDP10-DAC_CON.SCH Drawn By:Peter Schut Class Audio Inc, 5070 Franois Cusson Lachine, Qubec, Canada H8T 1B3 Classe CDP10 DAC board L/R DAC 2001-CL-002-1 C RST 1 CS 14 MC 13 MDI 12 SCKO 10 DGND 8 +VD 9 +VA-3 28 AGND-2 27 SCKI 7 BCK 6 LRCK 4 DATA-L 5 MDO 11 ZEROR 3 ZEROL 2 DATA-R 15 +VA-1 23 I-OUTR- 16 I-OUTR+ 17 AGND-1 18 +VA-2 24 I-OUTL+ 25 I-OUTL- 26 Vcom3 22 Vcom2 20 Vcom1 19 I-REF 21 U101 PCM1738 +5VA +5VA +5VA 3 2 6 74 U103 LT1357 3 2 6 74 U104 LT1357 AGND +12VA AGND -12VA -12VA R103 590R C119 4N7/KP R104 590R C120 4N7/KP 3 2 6 74 U105 LT1357 3 2 6 74 U106 LT1357 +12VA -12VA -12VA R105 590R C121 4N7/KP R106 590R C122 4N7/KP R111 750R R112 750R R119 3k32 R120 3k32 R127 3k32 -12VA AGND R114 750R R113 750R R128 3k32 R122 3k32 R121 3k32 +12VA AGND R129 3k32 R130 3k32 + C101 10/25V/OSCON + C103 10/25V/OSCON + C102 10/25V/OSCON + C116 10/25V/OSCON R101 16K0 +5VA+5VA +5VA AGNDAGND AGND +VA-3+VA-2 +VA-1 + C115 10/25V/OSCON +5VA RST 1 CS 14 MC 13 MDI 12 SCKO 10 DGND 8 +VD 9 +VA-3 28 AGND-2 27 SCKI 7 BCK 6 LRCK 4 DATA-L 5 MDO 11 ZEROR 3 ZEROL 2 DATA-R 15 +VA-1 23 I-OUTR- 16 I-OUTR+ 17 AGND-1 18 +VA-2 24 I-OUTL+ 25 I-OUTL- 26 Vcom3 22 Vcom2 20 Vcom1 19 I-REF 21 U102 PCM1738 +5VA +5VA +5VA 3 2 6 74 U107 LT1357 3 2 6 74 U108 LT1357 AGND +12VA AGND -12VA -12VA R107 590R C123 4N7/KP R108 590R C124 4N7/KP 3 2 6 74 U109 LT1357 3 2 6 74 U110 LT1357 +12VA -12VA -12VA R109 590R C125 4N7/KP R110 590R C126 4N7/KP R115 750R R116 750R R118 750R R117 750R + C104 10/25V/OSCON + C106 10/25V/OSCON + C105 10/25V/OSCON + C118 10/25V/OSCON R102 16K0 +5VA+5VA +5VA AGNDAGND AGND +VA-3+VA-2 +VA-1 + C117 10/25V/OSCON +5VA PMD-WCKO PMD-BCKO PMD-DLO PMD-DRO I2S-MCK 3.3VA AGND 1738-SPI-SCK 1738-SPI-DI 1738 SPI-CS 1738 RESET R139 3k32 R152 3k32 R140 3k32 R155 47R5 R151 3k32 AGND R156 47R5 R142 3k32 R141 3k32 R147 3k32 R148 3k32 + C107 10/25V/OSCON + C108 10/25V/OSCON +12VA -12VA AGND 21 3 G CN102 XLR FB101 BEAD FB102 BEAD 1 2 34 5 CN101 RCA AGND FB105 BEAD GND DB101 CHASSIS CONNECTION C157 100N/KT C153 100p C149 100p C150 100p C154 100p AGND R149 3k32 R150 3k32 + C109 10/25V/OSCON + C110 10/25V/OSCON +12VA -12VA AGND 21 3 G CN104 XLR FB103 BEAD FB104 BEAD 1 2 34 5 CN103 RCA AGND FB106 BEAD C158 100n C155 100p C151 100p C152 100p C156 100p + RL101 REL10 -output mute +5VC + RL102 REL10 -output mute +5VC 3 2 1 4 U111A OPA2134 5 6 7 8 U111B OPA2134 -12VA 3 2 1 4 U113A OPA2134 +12VA 5 6 7 8 U113B OPA2134 R136 750R R135 750R C127 2N2/KP C128 2N2/KP C131 2N2/KP R123 3k32 R124 3k32 R131 3k32 -12VA AGND R132 3k32 R126 3k32 R125 3k32 +12VA AGND R133 3k32 R134 3k32 R143 3k32 R154 47R5 R144 3k32 R157 47R5 R153 3k32 R158 47R5 R146 3k32 R145 3k32 3 2 1 4 U112A OPA2134 5 6 7 8 U112B OPA2134 -12VA 3 2 1 4 U114A OPA2134 +12VA 5 6 7 8 U114B OPA2134 R138 750R R137 750R C129 2N2/KP C130 2N2/KP C132 2N2/KP + C111 10/25V/OSCON + C112 10/25V/OSCON +12VA -12VA AGND + C113 10/25V/OSCON + C114 10/25V/OSCON +12VA -12VA AGND +12VA -12VA AGND +12VA -12VA AGND +12VA -12VA AGND +12VA -12VA AGND AGND AGND C142 100N/KT C141 100N/KT C143 100N/KT C144 100N/KT C145 100N/KT C146 100N/KT C147 100N/KT C148 100N/KT + C133 100/25V + C134 100/25V + C135 100/25V + C136 100/25V + C137 100/25V + C138 100/25V + C139 100/25V + C140 100/25V + C159 4700/16V NICH + C160 4700/16V NICH + C161 4700/16V NICH + C162 4700/16V NICH +12VA -12VA AGND +12VA -12VA AGND D101 1N914B D102 1N914B C165 100n + C163 47u/16 3.3VA AGND C166 100n + C164 47u/16 Vin 3 Vout 4 1 GND Vout 2 U115 REG1117-3.3V AGND +C168 10u/16 3.3VA + C167 10u/16 +5VA 44 LEFT CHANNEL RIGHT CHANNEL FROM PMD200 FROM CONTROL BOARD May 19-2002 123456 A B C D 654321 D C B A Title NumberRevisionSize Tabloid Date:19-May-2002Sheet of File:C:Projects Classe.CDP10-CONTROL.schDrawn By:Peter Schut Class Audio Inc, 5070 Franois Cusson Lachine, Qubec, Canada H8T 1B3 Classe CD 0.4 CONTROL PCB 2001-CL-002-3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 CN501 34P BOX HEADER GND DSA-RST DSA-ACK DSA-STROBE DSA-DATA R506 46R6 R507 46R6 R508 46R6 R509 46R6 R510 46R6 DSA-RST DSA-ACK DSA-STROBE DSA-DATA LASER-OFF P1.0/T2 1 P1.1/T2EX 2 P1.2 3 P1.3 4 P1.4 5 P1.5 6 P1.6 7 P1.7 8 RST 9 P3.0/RXD 10 P3.1/TXD 11 P3.2/INT0 12 P3.3/INT1 13 P3.4/T0 14 P3.5/T1 15 P3.6/WR 16 P3.7/RD 17 XTAL2 18 XTAL1 19 GND 20 A8/P2.0 21 A9/P2.1 22 A10/P2.2 23 A11/P2.3 24 A12/P2.4 25 A13/P2.5 26 A14/P2.6 27 A15/P2.7 28 PSEN 29 ALE 30 EA 31 A7/P0.7 32 A6/P0.6 33 A5/P0.5 34 A4/P0.4 35 A3/P0.3 36 A2/P0.2 37 A1/P0.1 38 A0/P0.0 39 VCC 40 U501 80C32 R515 22K R514 22K R513 22K R512 22K R511 22K +5uP C501 100N/KT GND R516 100R R517 100R R518 100R R519 100R R520 100R R521 100R R522 100R R523 100R AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 D0 3 D1 4 D2 7 D3 8 D4 13 D5 14 D6 17 D7 18 OE 1 LE 11 GND 10 Q0 2 Q1 5 Q2 6 Q3 9 Q4 12 Q5 15 Q6 16 Q7 19 VCC 20 U502 74HC373N AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 A0 A1 A2 A3 A4 A5 A6 A7 A0 10 A1 9 A2 8 A3 7 A4 6 A5 5 A6 4 A7 3 A8 25 A9 24 A10 21 A11 23 A12 2 A13 26 A14 27 E 20 G 22 VPP 1 GND 14 VCC 28 Q0 11 Q1 12 Q2 13 Q3 15 Q4 16 Q5 17 Q6 18 Q7 19 U503 M27C256B A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A8 A9 A10 A11 A12 A13 A14 R524 100R R525 100R GND GND GND GND AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 TMP-SDAT TMP-SCK RC5-INTEL TMP-ACK TMP-SDIS TMP-RST STANDBY C505 100N/KT GND +5uP C506 100N/KT GND +5uP C507 100N/KT GND +5uP X501 12M GNDGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CN502 BOX14 TMP-SCK TMP-SDAT TMP-ACK TMP-SDIS TMP-RST STDBY-LED #IR-OUT1 GND HDCD-LED VKK VVF +5VD PMD-RESET PMD-SPI-SS PMD-SPI-MOSI PMD-SPI-SCK PMD-RESET PMD-SPI-SS PMD-SPI-MOSI PMD-SPI-MISO PMD-SPI-SCK PMD-HDCD SRC-OFF 1738-RESET PMD-MUTE 1738-SPI-SCK 1738-SPI-SS 1738-SPI-SDI SRC-OFF 1738-RESET PMD-MUTE 1738-SPI-SCK 1738-SPI-SS 1738-SPI-SDI VKK VVF +5VD T503 NPN R504 287R GND R505 10K0 T502 NPN R502 287R GND R503 10K0 IR1-IN TX RX #IR-OUT1 IR1-IN TX RX +5V-TRIG OUTPUT-RLY STANDBY T501 NPN GND R501 10K0 OUTPUT-RLY -OUTPUT_MUTE C512 100N/KT C511 100N/KT GNDGNDGND +5VD + C515 100/25V + C513 100/25V GND + C504 100/25V C502 22P C503 22P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CN503 BOX14 SRC-LED T504 NPN R526 287R GND R527 10K0 SRC-ON SRC-ON GND TXENA R530 2R21 C514 100N/KT GND +5uP C509 100N/KT GND +5uP + C508 100/25V VDD 2 GND 3 RST 1 U505 MCP100 GND +5uP INTEL RESET UPRST UPRST C516 100N/KT GND C518 100N/KT C517 100N/KT GNDGND MCLR/VPP/THV 1 RA0/AN0 2 RA1/AN1 3 RA2/AN2/VREF- 4 RA3/AN3/VREF+ 5 RA4/T0CKI 6 RA5/AN4/SS 7 GND 8 OSC2/CLKOUT 10 OSC1/CLKIN 9 RC0/T1OSO/T1CK 11 RC1/T1OSI/CCP2 12 RC2/CCP1 13 RC3/SCK/SCL 14 RC4/SDI/SDA 15 RC5/SDO 16 RC6/TX/CK 17 RC7/RX/DT 18 INT/RB0 21 RB1 22 RB2 23 RB3/PGM 24 RB4 25 RB5 26 RB6/PGC 27 RB7/PGD 28 VDD 20 GND 19 U504 PIC16F876P X502 5.0688M GNDGND C519 22P C520 22P GND TXENA to DAC board to DISPLAY board to POWER board 11 RC5-INTEL EN 15 SEL (B) 1 MUX 1A 2 1B 3 1out 4 2A 5 2B 6 2out 7 3A 11 3B 10 3out 9 4A 14 4B 13 4out 12 VCC 16 GND 8 U506 74HC157 GND GND GND+5VD RC5 SEL RC5 SEL IR1-IN RC5 uP RC5