120
Model 6012B Change Model 6015 A Change
Serial Numbers Serial Numbers
PREFIX NUMBER PREFIX NUMBER
US3543 0101-0335 1 US3705 0101-0145 1
3543A 04801-05360 1 3705A 00444-00518 1
3415A 04311-04800 1,2 3543A 00344-00443 1,2
3319A 04091-04310 1-3 3424A 00244-00343 1-3
3303A 04061-04090 1-4 3402A 00229-00243 1-4
3232A 03981-04060 1-5 3310A 00219-00228 1-4
3212A 03481-03980 1-6 3310A 00179-00218 1-5
3139A 03661-03840 1-6 3243A 00174-00178 1-6
3104A 03411-03660 1-7 3215A 00144-00173 1-7
3037A 03271-03410 1-8 3142A 00124-00143 1-8
2846A 02711-03270 1-9 3103A 00109-00123 1-9
2723A 01911-02710 1-10 3044A 00101-00108 1-10
2709A 01891-01910 1-11
2703A 01771-01890 1-12
2616A 01151-01770 1-13
2614A 01131-01150 1-14
2606A 01011-01130 1-15
2524A 00586-01010 1-16
2519A 00511-00585 1-17
2517A 00436-00510 1-18
2439A 00211-00435 1-19
2428A 00101-00210 1-20
CHANGE 1
All In the parts list for the A1 Main Board Assembly change R45 to 82.5K, 1% 1/8W, p/n 0757-0463.
CHANGE 2
6010A, 6015A In the parts list for the A5 Diode Board Assembly change CR4, 5 to p/n 1901-1182. Change Q1
to p/n 1855-0486. Under A5 Mechanical change the heatsink for Q1 to p/n 1205-0398, change
heatsink for CR4 to p/n 06030-00004, change heatsink for CR5 to p/n 06030-00003.
6011A, 6012B In the parts list for the A4 FET Board Assembly change CR1, CR4 to p/n 1901-1137.
CHANGE 3
6010A, 6015A In the parts list for the A4 FET Board Assembly change CR1and CR4 to p/n 1901-1137.
6011A, 6012B In the parts list for the A1 Main Board Assembly change K1 to p/n 0490-1457 and K2 to p/n
0490-1341. Change R47 and R48 to 150 5% 1W, p/n 0761-0035.
CHANGE 4
6010A, 6015A In the parts list for the A1 Main Board Assembly change K1 to p/n 0490-1457 and K2 to p/n
0490-1341. Change R47 and R48 to 150 5% 1W, p/n 0761-0035.
6011A, 6012B In the parts list for the A1 Main Board Assembly make the following changes:
Add:
C3, C7 1400ยตF, p/n 0180-3460