Korg T1, T2, T3 Netzteil-Platine KLM-1376A 220/240V KK2494V-0 The difference between 1374 (110/120Vac Japan, UL), 1375 (117Vac CN China) and 1376 (220-240Vac UK, EU) is the white silkscreen printing and the population, the PCB board itself is the same for all. At the Mains Transformer T1, take care of the orientation ("Pin" 3 is the 5V-Winding). x-coord y-coordinate on the board (arbitrary units) board edges: LL 44 738 LR 1346 738 UL 44 45 UR 1346 45 holes: UL 185 79 UM 750 79 UR 1315 79 LL 183 705 LM 722 705 LR 1313 705 C1 1032 365 0µ22 between C2 and L2 C2 1209 302 1000p C3 1063 320 1000p C4 1312 270 2200p to Frame Ground C5 1312 201 2200p to Frame Ground C6 1055 97 0µ22 C7 1113 261 1000p C8 1102 129 1000p C9 1152 85 2200p to Frame Ground C10 1218 85 2200p to Frame Ground C11 731 600 68µ? 400V Elko 1374,1375:220µ200V C12 467 608 0µ022 22n parallel to R4 C13 625 425 100p 0n1 C14 505 607 0µ047 47n C15 834 550 0.01µ 10n C16 1001 175 2200p 2n2 C17 1003 106 2200p 2n2 C18 893 175 2200p 2n2 C19 893 106 2200p 2n2 C20 440 283 2200µ 10V C21 227 471 2200µ 10V C22 294 125 1000µ 10V C23 469 164 470µ 25V C24 472 229 470µ 25V C25 294 179 470µ 25V C26 300 254 470µ 25V C27 250 689 30p at IC1 (µPC1093J) C28 292 333 0µ01 10n C29 279 304 6µ8 Tantal C30 148 175 0µ01 10n Gnd to F.G. CN3 225 540 7pin to KLM-1370 CN10 225 236 6pin to KLM-1373 CN12 225 165 4pin to FDD Floppy Disk Drive CN13 225 451 3pin to EL (electro-luminiscence) Backlight CN14 1269 468 3pin Mains CN15 1269 649 2pin Power Switch D1 995 281 Bridge Rectifier 100FG?? SG07S?? auf dem Foto D2 684 410 44? D3 454 684 1SK?? D4 632 647 12V zener D5 524 388 5K030?? on Heat Sink F1 1066 562 T1.25A 250V 1374,1375:2.0A L1 1063 460 40mH R3403F current compensated L2 1234 197 20mH R5UA203 90 current compensated L3 444 402 18µH? 180K B. L4 341 247 47µH 470K B. L5 341 187 47µH 470K B. PC1 353 621 CNY17F-2? 1374:PC817 Q1 483 427 2SK1153 2SK1199? or 2SK962? 2SK1007 on Heat Sink Q2 569 626 2SC2665? 2SC2666? Q3 381 347 2SC1816?? R1 1239 270 680k? 560k? R2 944 487 6R8 only in KLM-1375 (CSA) instead of TH1 R3 646 519 200k 1374,1375:100k R4 490 684 470R parallel to C12 R5 548 599 82R R6 408 633 470R R7 535 684 15R? R8 530 569 8k2 8M2?? R9 589 466 27R 1W J R10 792 421 100k/2W 1374:33K/2W R11 792 465 100k/2W 1374:33K/2W R12 568 591 2R2 1WJ 1374,1375:1R0 R13 335 490 68R R14 213 611 3k6? R15 213 628 3k3? R16 321 271 6k8 R17 390 281 33R T1 783 308 TMA024 1374,1375:TUM005D T2 273 375 TUM010A for EL backlight TH1 944 487 50-11? NTC R2 (6R8 130°C) in 1375 why aren't they at the Mains Input? TH2 1000 487 50-11? NTC bridge in 1374/1375 why aren't they at the Mains Input? VR1 312 570 1k adjust 5 Volt CN3/1 +5 CN3/2 +5 CN3/3 DGnd (5V return) CN3/4 DGnd (5V return) CN3/5 +12 CN3/6 AGnd (12V return) CN3/7 -12 CN10/1 +12 CN10/2 AGnd CN10/3 AGnd CN10/4 -12V CN10/5 +5 CN10/6 DGnd CN12/1 +5 CN12/2 DGnd CN12/3 nc CN12/4 nc CN13/1 EL backlight CN13/2 nc CN13/3 EL backlight CN14/1 CN14/2 CN15/1 CN15/2