step 1 voltages

v+ 15.2

v- 16.2

-12v 11.5

+12v 11.7

step 2

tp 1,2,3,4,11,12 =0VDC

step 3

tp12 = -2.9vdc

step 4

tp13 @-1.8vdc

@2.9vdc

step 5

tp4 @-15TH =0.21

@+15TH =.058

TP5 @+15TH =.334VDC

@-15TH =-2.221VDC

TP11@+15TH =.012

@-15TH=-3.39

TP12@-15TH=3.4VDC

@+15TH=0

STEP 6

TP1=1.5VAC

TP2=1.439VAC

TP3=1.51VAC

TP4=0.06VAC

DCV = -0.001

STEP 7

TP1=1.5VAC

TP2=0.470VAC

TP3=1.51VAC

TP4=0.217VAC

TP11=-3.39VDC

TP12=1.03VDC

TP13=1.59VDC

CHANNEL 2

-V = 16.21

+V = 14.77

-12V= 11.87VDC

+12 = 12.03

STEP 2 C2

TP6=0

TP7=0

TP8=0

TP9=0

STEP3 C2

TP6=1.5VAC

TP7=1.36VAC

TP8=1.5

TP9=0.06

STEP4 C2

TP6=1.5VAC

TP7=0.4VAC

TP8=1.5VAC

TP9= 0.2VAC

VDC U16 =.058