Tektronix 4010 Maintenance Manual page 119

Circuit Description-4010 Maintenance
WIRE LIST
From Connectors J32, J33, and J34 on Assembly 3, Mother Board
From
To
Plug
Plug
and/or and/or
Location/ Wire
Line Name Jack Pin Jack
Pin Assembly
Color Code
GND (S.T.B. Shield) 32 1
2
Notes E & F
9-1 & 9-2 Coax Shield
S.T.B. Spare
32 2
2
See Note F 9-1 Coax
S.T.B. 32 3 2 4
CRT 9-2 Coax (See Note G)
F.G. ANODE 32 4 67 1
A5
9-4
F.G. CATHODE 32 5
2
7 CRT 9-7
FUZZ 32
6
62 3
A5 9-36
CE-2
32 7
2
5
CRT
9-5
PAGE 32
8
80
1 A7 9-34
SHIFT 32 9 80 7
A7 9-6
SPEAK 32
10 96 1
A8
9-3
Y DEF Coil (1-N) 33 1 63
1 A5 1-N
INDICATOR 1 33 2 93 4 A8 9-04
INDICATOR 2 33
3 93 3 A3 9-05
BREAK
33 4 80
3 A7 9-14
CURSE
Y DEF Coil (4-N) 34 1
63 4 A5 4-N
HOME (Reset)
34 2 80 2 A7
9-15
SWITCH 1 34 3 93
6 A8 9-02
SWITCH 2 34 4
93 5 A8 9-03
MAKE COPY 34
5 93 2
A8 9-06
Note E: Connects to ground on A5, via P2.
Note F: In early instruments, the shield from 32-1 and O-N from 32-2 were connected together and tied to ground on A5.
Note G: Was a 9-2 in early instruments.
Plug
and/or
Line Name Jack
FAST RAMP 50
FAST RAMP GND 50
SLOW RAMP 50
SLOW RAMP GND
50
TARSIG 50
MAKE COpy 50
HCU 50
INTERROGATE 50
READ 50
GND
52
52
WAIT 52
*Later models only: J53 on earlier models.
REV. B, APR. 1976
WIRE LIST
From Connectors J50 and J52 on Assembly 4,
Deflection Amp & Storage Board
From To
Plug
and/or Location/
Pin Jack Pin Assembly
1 J525
3
Through cable to
Hard Copy Unit.
2 J525 4
3
J525
1
4 J525 2
5
J525 7
6 J525 11
7
J525 13
8 J525 5
9 J525 9
1,2,3,4 J525 CHASSIS gnd
5 (not used)
6* J525 14
Wire
Color Code
2-N of O-N COAX
O-N of 8-N COAX
2-N of 8-2 COAX
O-N of 8-2 COAX
9-1 COAX
9-4
9-3
9-2 COAX
0-9
O-N WIRE
9-5
6-7