13.46. SC-Board Block DiagramCEL2CLCLKSIUSIDSCSUSCSUCELD6479D6468D6459D6470PHOTO COUPLERQ661135469 811 101 213 12FCLDFCLUFCLKDFCLKUPHOTO COUPLER1 23 4PC6505PC6507PHOTO COUPLERPC6509FSIUFSID12 814 112 814 1Q6612Q6613Q6601Q6602Q6621Q66241415 517 38 126IC6602FET DRIVERFET DRIVERIC66012019181711182891217 3641416IC6502BUFFERBUFFERIC6501247FET DRIVERIC6511Q6477Q6476Q6511Q6512724FET DRIVERIC6521FET DRIVERIC65412 74VAD+15VQ6530Q6521Q6520Q6522Q6529Q6542Q6549Q6541PHOTO COUPLERPC6510PHOTO COUPLERPC6503Q6551Q6552IC65422 72 41 41 72FET DRIVERQ6553VSCNQ6614S2 CMHS3 CMLCSLCSH1/2 VoVSUSD6624D6629A6 B6A7 B7B33A33B40A40B37A34B36A37A36B34A11A35B11A39A38B39B38B35B1B8A8A1B8A8A30 B30FSIDFCLDFCLKDPRODVF5VQ6454IC6451AVR 15VIC64533 1AVR 5VIC64553 1Q6474IC6471Q6472Q6471SCSUVAD INSERTVADVSET2 INSERTCELVSET INSERTCPHVSCN GEN VSETVAD GENQ6491Q6492IC6491VSET REG.VSUSSC20713L6611,12,13L6614,15,1624811IC6605BUFFERIC6606BUFFER3697CSHCSLCMHCMLSOS1CEL2CLCLKSIUSIDCPHSCSUQ6581IC6581D6584VfoFSIUFCLUFCLKUPROUVF5VVfVfVfoFSIDFCLDFCLKDPRODVF5VVfoVfVfVfoFCLKUFSIUVF5VPROUFCLUSC SC42SC41TO D20D6583(GREEN LED)SCSCCPHCEL4VSETIC6452Q6462Q6461Q6463T6461IC6456VSCN GEN VSETT6471IC6472Q6555Q650165Q6502Q6503Q6504SOS2 1212944A3A2A132B3B4B 1184Y3Y2Y1192 1813CELQ6583Q6584CPHCELIC6607AND GATEVSUSVSUS12SC2TO P2SC23TO P23+15V12+15VPROUPROD11 109 8FLOATING GROUNDCOLD CHASSIS GROUNDCOLD CHASSIS GROUND FLOATING GROUND+5V(SC3)PC6469Vscn(VAD+118V=28V)PC6467VAD(-90V)PC6480PC6458+5V(SC1)PHOTOCOUPLERPHOTOCOUPLERPHOTOCOUPLERPHOTOCOUPLERSCANDRIVESCAN DRIVER 1SOS BLINKING TIMESLED 2 TIMESSCAN DRIVER 2SOS BLINKING TIMESLED 7 TIMESVOLTAGE DOWN DETVscn,VAD(-90V)LINE+5V(SC1),+5V(SC3)1056ENERGY RECOVERYVsus GEN.VSET TPSC1 WAVEFORMVADVSCNVSET2VSUS(Vfo)TPSC1VSCN gen.VSCN perfectVSET perfect(VSET rise)VSET perfectDSSDQ6554SC462468910FCLKDPRODFSIDFCLDVF5VVF5V84FCLKU9 VF5VFSIU62FCLU10 VF5VPROUSC45Q6603Q6606Q6607Q66083 6TO SD42TO SD46TO SU45TO SU41632 764A33 B33B40A40B2A2B5A4B3A5B4A3A1 B1PC6517Q6451PC6474SCAN DRIVETH-42PM50USC-Board Block DiagramTH-42PM50USC-Board Block DiagramTH-42PM50U102