LisaDataPower 2 B

A B C D E F G H I J 1 1 +5V 51K 1n + Z1 a LM339 4 C11 100n 1N914 2 2 R23 CR3 10K 1N914 C3 12 R19 CR5 51R - 2K@1% 1N914 CR6 +18V CR4 3 5 C10 R18 R21 499R@1% - 4K02@1% 2N4401 1N914 Current Sense R24 + 1u R33 5K1 Q3 5K1 + 1u CR7 1 R34 2 - +18V + Z3 a LM393 2K R27 1 C14 6 VR + Z1 b LM339 3 VR /Power Fail 4 R32 7 2K Brownout Limit A djust R26 2 750K 8 + 1u C12 6K2 R25 +18V R22 R20 +5V Line Sense +5V 6K19@1% +5 Sense /Delay Reset 1N914 3 +18V R29 4 6 R7 2N4401 5K1 2K49 Q2 10 VR R9 R6 11 1N914 R30 7 CR2 + Z1 d LM339 /Shutdown 13 - 4 - 51K R28 On/Off + Z3 b LM393 6K49 470R@1W R5 5 +5V Q1 2N4401 5K1 VR +18V 200K 10K R31 3 R16 15 Ac 12 11 Ae Push 13 Bc 14 Be Pull 6 P1 A B C 100n R15 8K25@1% R13 + 1u 1K2@1% 2.520 V VR 6 +18V On/Off + 1u +12 Out Line Sense C9 1 2 3 4 5 6 7 8 9 10 11 12 13 7 CT RT C5 Gnd 1K@1% EN SG3524 5 Logic +5 R14 R12 Z2 10 10K5 20K Comp 2 1 VSense+ VSense4 5 ISense+ ISense- 1N914 R37 VR C4 22n 4K87@1% 1n 3 OSC 16 Vref R17 +5 A djust R11 2K +5V 220p Vin 7 6 10K R10 2N5061 20K CR1 9 4n7 CR9 C13 C6 8 - +18V 51K C7 C8 8 100n VR 14 C2 1N914 + Z1 c LM339 R4 9 R3 +5 Sense CR8 5K1 R2 2K49@1% R1 R36 R35 5 1K21@1% 4K75@1% +12 Out 1K82@1% +18V +5 Sense +5 Sense Current Sense /Shutdown /Power Fail Pull Push Logic +5 /Delay Reset Variations Reported D E Rev Part C C7 = 1 0 0 p C7 = 1 n F Reverse Engineered from: A ssy. No. 9 9 P0 1 0 8 -0 0 0 Rev. C Part Numbers Skipped R8 C1 G Apple X/Lisa "DataPower" Power Supply 2 0 0 2 -0 1 -1 2 Sheet 2 of 2 Rev. B Drawn by: JDM Checked by: TS 7 Notes: 1. There are NO 4-way connections on this diagram 2. Leading slash indicates signal is active low 3. Send corrections to: bugs@SigmaSevenSystems.com 4. Use this drawing at your own risk H I J