13.43. SC-Board Block DiagramsSC41from IC6501P2 FSIUCLVsus 1 FCLU2 To SC44Vbk 3 PIN 9, 39 FCLKUCLK15V 7 IC6453 IC6454 PROUTo SC44PIN 8, 38 SU5VIC6502from SIDD20 SC1 S2 To SC44 GNDIC6605 IC6601 PIN 20, 40CMH 9SC441S3 To SC44 VSET 21PIN 17, 37CML 8 1415 3416 35 SDCEL 36 5V17IC6602 37 PROD18CSH 7 38 FCLKD939 FCLD201/2 Vo S1 VAD 40 FSIDVSETCSL 6CPH SC421IC6603 21 SCGNDSOS 1 Vbk 10INITI. 11 30DRIVE 31CBK 2CEL 3 2040SC43IC6606 SID 1from 21D215V 1 1011 30CL 2 31 SCCLK 3 GNDSIU 4 20SID 6 40CPH 9SCSU 7VAD5V182 121481Q6627Q6628Q6621Q6622Q6623Q6613Q6614Q6601Q6602Q6603Q66048 1212161214811517281367125141833 1123Q6611Q6612Q6605Q6606Q6607Q6608Q6624Q6625Q6626Q6629Q663046 1414SC20SC21Q6645Q6646Q6641Q6642811 9SC22 3 425 613 11 10129 81 2311 1049 8Q6511Q6530 / Q6522 Q6523Q6524 Q6525Q6526 Q6527Q6528 Q6529Q6553/ Q6554 Q6555 Q655615V 123IC6581Q65811/2 Vo SOSDISCHARGECHARGEQ6650D6467VSCN SOS VSCNfrom TPSCN1411615201918172 123 7IC6521LOGICH inL inH outL out2 123 7IC6511LOGICH inL inH outL out5D650553D650653D65085VSUSVSET REG.Q6491/Q6492IC649115VVSCN GEN.Q65123D65015Q6476Q64773D65025 Q6520 / Q65212 123 7IC6541LOGICH inL inH outL out3D65035 Q6541 / Q6542 Q6543Q6544 Q6545Q6546 Q6547Q6550 / Q6548 Q6549Q6551 / Q65523 PHOTOCOUPLERD650452 123 7IC6542LOGICH inL inH outL outVAD GEN.Q6451 Q6454Q6452 T6451 IC6451Q6453 IC6452Q6471 Q6474Q6472 T6471 IC6471IC6472SCSUQ6671VSET2 INSERTVAD INSERTVSET INSERTTPSC1SC GNDSC GNDMIXSC OUT6DO NOT MEASURE DC VOLTAGE BY MULTIMETERFROATING GROUNDCOLD CHASSIS GROUNDSCPHOTOCOUPLERPHOTOCOUPLERPHOTOCOUPLERPHOTOCOUPLERPHOTOCOUPLERPHOTOCOUPLERTH-42PW4 / TH-42PWD4112