Compaq P1220 Service Manual Page 14

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PWB-MAIN
Horizotnal width/PCC
control circuit
+B
+15V
-15V
+12V
Horizontal drive circuit
-15V
MPU circuit
+5V
Vertical system circuit
+15V
-15V
DBF circuit
+80V
+12V
-15V
High voltage system circuit
+80V
+12V
Corner purity
H/V ROTATION
Drive circuit
+15V
-15V
P-OFF+5V
+80V
P-OFF+5V
-15V
+5V
Variable
circuit
(Chopper circuit)
+215V
+B
+15V
+12V
PWB-DEFL-SUB
Reg.
3.3VP_OFF+5V
P_OFF+5V -15V
~ Power system diagram 2 ~
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